EP1567445B1 - Yeast cream-dosing device and method - Google Patents

Yeast cream-dosing device and method Download PDF

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Publication number
EP1567445B1
EP1567445B1 EP03778330A EP03778330A EP1567445B1 EP 1567445 B1 EP1567445 B1 EP 1567445B1 EP 03778330 A EP03778330 A EP 03778330A EP 03778330 A EP03778330 A EP 03778330A EP 1567445 B1 EP1567445 B1 EP 1567445B1
Authority
EP
European Patent Office
Prior art keywords
yeast cream
opening
outlet passage
liters
use according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03778330A
Other languages
German (de)
French (fr)
Other versions
EP1567445A1 (en
Inventor
Karel Alfons Frans Blomme
Peter René Anna SMET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Algist Bruggeman NV
Lesaffre et Cie SA
Original Assignee
Algist Bruggeman NV
Lesaffre et Cie SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Algist Bruggeman NV, Lesaffre et Cie SA filed Critical Algist Bruggeman NV
Priority to SI200332169T priority Critical patent/SI1567445T1/en
Priority to EP03778330A priority patent/EP1567445B1/en
Publication of EP1567445A1 publication Critical patent/EP1567445A1/en
Application granted granted Critical
Publication of EP1567445B1 publication Critical patent/EP1567445B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1202—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed
    • B67D1/1204—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed for ratio control purposes
    • B67D1/1225—Weighing
    • B67D1/1227—Weighing the cup to be filled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0009—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with cooling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0029—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0058—Details
    • B67D3/008—Supports
    • B67D3/0083—Supports for the liquid container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • B67D3/041—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer operated by pinching action on flexible tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0827—Bags in box

Definitions

  • the present invention relates to the use of a device and method for the determination of stable baker's yeast cream and the device, and in particular stabilized yeast cream.
  • baker's yeast in the form of a baker's yeast cream.
  • baker's yeast cream is meant a liquid suspension, typically an aqueous suspension, of live baker's yeast cells, said suspension having a solids content of at least 12% by weight and generally between 12 and 50% by weight. mass (extended definition of yeast cream).
  • the cream of baker's yeast meets the normal definition of yeast cream, that is to say that it has a solids content of between 12 and 25% by weight, and even more preferably between 15 and 22% in mass.
  • the present invention is also useful for creams of yeast bakery high solids content, that is to say at least 25% by weight, such as in particular creams of yeast bakery high density containing a or several osmotic agents, such as, for example, polyhydroxy food compounds and food salts.
  • Such creams of high-density bakery yeast which may in particular have a solids content of 25 to 48% by weight, or 25 to 46% by weight, are known and are for example described in WO91 / 1235 and W003 / 048342 .
  • a stable yeast cream is a yeast cream long enough to retain its homogeneity so that it can be stored without agitation, during storage and possibly transport, until it is used in the preparation of a dough in a bakery.
  • a stabilized baker's yeast cream is a baker's yeast cream containing one or more dietary stabilizers that delay or prevent the settling of yeast cells from the suspension. Thanks to the presence of said food stabilizer (s) in the suspension, the yeast cream retains its homogeneity for a longer time when it is kept without stirring.
  • various dietary stabilizers useful for the stabilization of yeast cream there may be mentioned gums, such as xanthan gum, and thermally and / or chemically modified starches, such as acetylated diamidon adipate as defined by US Pat. modified starch E1422.
  • Such stabilized yeast creams are for example described in EP-A-0 792 930 .
  • the stable yeast cream is preferably a stabilized yeast cream.
  • the homogeneity of the yeast cream that is to say the substantial absence of a concentration gradient of solids in the cream, is an important property for the baker.
  • the main advantage for the baker of using a baker's yeast cream is that it allows easy dosing thanks to its liquid form.
  • this yeast dosage can be accurate and reliable only if the yeast cream is homogeneous.
  • the absence of homogeneity or, in other words, the presence in the baker's yeast cream of a perceptible gradient in dry matter concentration leads to errors in the quantity of yeast cells assayed during successive dosing of the yeast. cream for its introduction into pasta and thus causes variations in the quality of baked goods baked with these pasta.
  • Stable or stabilized baker's yeast cream may also include one or more other ingredients, such as bread improvers (oxidants, reducers, enzyme preparations, emulsifiers) and / or preservatives and / or other processing aids such as polyols.
  • bread improvers oxidants, reducers, enzyme preparations, emulsifiers
  • preservatives / or other processing aids
  • polyols such as polyols.
  • Stable or stable baker's yeast cream is a highly perishable food product and must be kept cool.
  • the temperature prevailing in the baker's shop where the pasta is prepared is generally at least 15 ° C. Such a temperature does not allow adequate preservation of stable or stabilized yeast cream because it causes an acceleration of the loss of viability and fermentative power of the yeast and the growth of microbial contaminants possibly present.
  • the baker must store the yeast cream in his refrigerator and take it out of his refrigerator, when introducing the cream of yeast. yeast in the dough for the preparation of a dough.
  • the stable or stabilized yeast cream is packaged in quantities corresponding to the amount of yeast cream necessary for the preparation of a single batch of dough.
  • This option which may be suitable for the housewife, is not for the baker because it causes a higher price of the cream and removes bakers flexibility in its fabrications, which are generally multiple.
  • the yeast cream is packaged in amounts corresponding to the amount of yeast cream required for the preparation of a series of batches of dough.
  • the baker then has to either go out of his workshop and enter his refrigerator to measure the desired amount of yeast cream, or take the yeast cream pack out of his refrigerator, measure the desired quantity. of yeast cream and immediately replace the yeast cream package in its refrigerator.
  • the present invention provides an elegant solution to these problems and allows the baker who consumes, for example, between 3 and 300 liters of yeast cream per week, to use stable yeast cream stabilized under the best conditions.
  • the present invention relates in particular to a device for the bakery dosage of stable or stabilized baker's yeast cream.
  • Said device comprises a piece of furniture provided with a compartment or refrigerating chamber.
  • the internal temperature of this refrigerating compartment is - 2 ° C to 12 ° C, preferably 0 to 10 ° C and more preferably 0 to 5 ° C.
  • the device also includes an exchangeable transport container containing stable or stabilized yeast cream.
  • This exchangeable transport tank has a total internal volume of between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and more preferably between 10 and 25 liters.
  • the exchangeable transport tank is located in the refrigerating compartment and has an outlet opening for the yeast cream.
  • the device also has an outlet passage for the determination of the yeast cream. Said passage connects the outlet opening of the exchangeable transport tank with a withdrawal opening located outside the refrigerating chamber.
  • the device also includes an opening / closing mechanism including a manual lever of said outlet passage.
  • This opening / closing mechanism makes it possible, on the one hand, to open the outlet passage for the withdrawal of the yeast cream and, on the other hand, to close the outlet passage to stop the withdrawal of the cream. yeast.
  • the device according to the invention for the determination of yeast cream allows the withdrawal of a metered amount of yeast cream from the exchangeable transport tank via the withdrawal opening by the actuation of the opening / closing mechanism.
  • the device according to the invention therefore allows the baker consuming, for example, between 3 and 300 liters of yeast cream per week to use yeast cream under the best conditions. Indeed, the yeast cream is kept cool and the baker has access without having to look inside his refrigerator.
  • the invention makes it possible to maintain the quality of the yeast cream during a maximum preservation time, since the yeast cream is kept at a controlled storage temperature until it is drawn off.
  • the invention also has the advantage of allowing space-saving dosing devices and allowing dosing devices of simple and easy-to-use design. It is noted for example that the device according to the invention does not require the presence of a pump for withdrawing the yeast cream from the reservoir.
  • the device comprises a pump for yeast cream, it is preferably a peristaltic pump.
  • the furniture of the device according to the invention is advantageously provided with transport means, such as wheels. This facilitates the movement of the device in the baker's workshop.
  • a transport container is a container for transporting a stable or stabilized yeast cream under hygienic conditions, for example when transporting the supplier's yeast cream to the baker.
  • the transport tank can be in various embodiments.
  • rigid containers or containers self-supporting
  • more or less flexible bags including in particular deflatable bags.
  • the more or less flexible bags themselves are preferably contained in another rigid package (self-supporting) as a carton.
  • a self-supporting packaging or overpack is a package or overpack which can, in the filled state, be stored in height on several layers without deforming.
  • the rigidity of the whole is provided essentially by the or over-packaging.
  • the transport tank whether rigid or flexible, is made of suitable materials for the transport of food products, such as yeast cream.
  • PE polyethylene
  • HDPE high density polyethylene
  • LDPE low density polyethylene
  • LDPE linear low density polyethylene
  • PBT polyethylene terephthalate
  • PTFE polytetrafluoroethylene
  • PP polypropylene
  • PA polyamide
  • the walls of the transport tank may be made of single-layer materials or multi-layer materials, such as laminated or laminated materials, including for example a metal layer, such as an aluminum layer, and corrugated board or non-corrugated plasticized.
  • the transport tank allows the baker to visually determine or estimate the amount of yeast cream present in the tank, in particular because the tank is transparent or translucent or has one or more transparent or translucent parts.
  • the total internal volume of the exchangeable transport tank corresponds to the maximum volumetric content that can contain said tank.
  • the total internal volume simply corresponds to the internal volume of said tank.
  • the total internal volume of the tank is the volume of the bag in the inflated state.
  • the transport tank is an exchangeable tank.
  • the transport tank can therefore be mounted in the refrigerating compartment and can then be removed from the refrigerating compartment, for example, after the determination of all the stable or stabilized yeast cream present in the tank, or after a period of time. Stable or stabilized yeast cream is given in order to replace it with fresh stable or stabilized yeast cream.
  • the present invention has the advantage of not requiring mechanical means for maintaining the homogeneity of the yeast cream which is in the exchangeable transport tank.
  • the device according to the invention does not particularly require the presence of an agitator inside the transport tank.
  • the device according to the invention does not require the presence of a horizontal axis for rotating the transport container containing stable or stabilized yeast cream.
  • the outlet opening of the exchangeable transport tank is typically located at the bottom of the refrigerating compartment.
  • said outlet opening is situated at the bottom of the refrigerating compartment and the outlet passage is preferably such that the yeast cream present in the exchangeable transport tank can be extracted by gravity via the outlet passage and the opening. racking.
  • the outlet passage of the device according to the invention may also be such that the yeast cream present in the exchangeable transport tank may be siphoned via the outlet passage to the withdrawal opening.
  • the exit passage may consist of a single piece or may consist of several cooperating elements.
  • the outlet passage is an open-ended tube.
  • the outlet passage for example in the form of an open-ended tube, forms an integral part of the exchangeable transport tank.
  • the outlet passage for example in the form of an open-ended tube, is a separate part mounted on the exchangeable transport tank.
  • the outlet passage for example in the form of an open-ended tube, advantageously comprises a flexible part. Indeed, in this case the outlet passage can be closed simply by pinching said flexible portion and can be opened simply by releasing it.
  • the closure / opening mechanism of the device according to the invention is designed to allow the closure of the outlet passage by pinching the flexible portion and its opening by releasing said flexible portion.
  • the device according to the invention may comprise a weighing apparatus provided with a support surface for a container.
  • a weighing apparatus provided with a support surface for a container.
  • Such weighing apparatus makes it possible to weigh the quantity of the yeast cream introduced into the container during the withdrawal of the yeast cream.
  • the opening / closing mechanism is operated manually or by the presence or absence of a container below the withdrawal opening.
  • the opening / closing mechanism may, for example, be actuated by means of a lever which is moved with the hand or by the container to contain the amount of stable or stabilized yeast cream necessary for the production of a batch of dough to be kneaded.
  • the device may also be provided with a system detecting the presence or absence of a container below the withdrawal opening. Such a detection system may for example be an optical system.
  • the exchangeable transport tank may be a rigid container or container (self-supporting) having, according to the invention, a total internal volume of between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and more preferably between 10 and 25 liters, or a flexible bag, especially a deflatable bag, having such a total internal volume, that is to say an internal volume in the inflated state between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and more preferably between 10 and 25 liters.
  • the deflatable bag may be a polyethylene bag having a wall thickness of 10 to 200 ⁇ m, preferably 10 to 100 ⁇ m, such as for example 25 or 30 to 50 ⁇ m.
  • the preferred solution is the flexible bag made of standard polyethylene, that is to say in linear low density polyethylene or not.
  • the embodiment of the device according to the invention according to which the device comprises such a deflatable bag is particularly advantageous because it allows the withdrawal of a quantity of yeast cream from the deflatable bag via the withdrawal opening. actuating the opening / closing mechanism without gas penetration from the outside of the deflatable bag into the deflating bag.
  • deflatable bags are known in particular for the transport and storage of beverages, such as wine, and in drip in medicine.
  • the essential characteristic of the deflatable bags is that they are flexible enough to allow the outflow of a liquid present in the bag, without compensation of the volume of liquid exiting through a gas inlet.
  • the deflatable bags are characterized by the fact that they deflate and therefore their internal volume decreases as the liquid comes out.
  • deflatable bag makes it possible, in particular, to preserve the yeast cream in the refrigerating compartment of the device without the yeast cream coming into contact with contaminants, such as microorganisms, present in the environment at home. baker.
  • the deflatable bag is in a carrier mesh basket or a rigid box (self-supporting).
  • This type of deflatable bag in box or basket is known commercially as "bag-in-box".
  • An example of such a “bag-in-box” is described in US-B-6,223,981 .
  • the deflatable bag is suspended in the refrigerating compartment.
  • the refrigerating compartment is provided with means for suspending the bag.
  • the deflatable bag is provided with means facilitating its suspension, such as one or eyelets, or said eyelets being advantageously reinforced.
  • the device may be provided with means for applying pressure to the outside of the deflatable bag present in the refrigerating compartment.
  • the device may be provided with means for increasing the pressure in the refrigerating compartment.
  • Mechanical means can also be envisaged to apply pressure to the deflatable bag.
  • a pressure medium is particularly useful in the case of highly viscous yeast creams and / or when the deflating bag is almost empty.
  • Such pressure means are in particular known from DE-A-3,502,455 .
  • the refrigerating chamber and / or the deflatable bag can also be provided with other means promoting an emptying or easier and / or more complete drainage of the deflatable bag.
  • Such means are described in particular in DE-A-3,502,455 , WO 89/00535 , WO 85/04383 , WO 90/06888 , WO 01/79072 and EP-A-0 138 620 .
  • the transport tank according to the invention is preferably resistant to free falls of a height of 110 cm.
  • the transport container containing stable yeast cream remains tight when it is subjected to a single free fall of a height of 110 cm, even if the impact between the tank and the ground is made obliquely, especially on the upper or lower edge of the transport tank.
  • baskets and boxes for flexible or deflatable bags that are specifically designed to have a high resistance to falls and in particular oblique falls.
  • the contribution of the basket or the box to the resistance to falls is particularly effective when the outer transverse contour of the pocket is greater than the internal transverse contour of the basket or the box.
  • the flexible or deflatable bag may also be provided with a reinforcing layer or bag, for example polypropylene, polyester, polyethylene or polyamide, which surrounds the flexible or deflatable bag.
  • This reinforcing layer or pocket may, for example, be a net or reinforcing fabric, it has the same reinforcing role as the mesh basket.
  • a preferred solution is in the field of food liquids, such as yeast creams to use a flexible pouch, standard polyethylene, a reinforcement pouch and a carton, all being self-supporting as defined above.
  • the baker can avoid annoying delays or interruptions of work at the moment when a first exchangeable transport tank of a device is empty or almost empty, passing at this time for the withdrawal of yeast cream to a second exchangeable transport tank of the device .
  • the device preferably comprises for each of its exchangeable transport tanks an outlet passage connecting the outlet opening of said reservoir with a withdrawal opening outside the refrigerating chamber in which the reservoir is located, as well as an opening / closing mechanism for opening and closing this outlet passage.
  • the cabinet of the device according to the invention may thus comprise at least two refrigerated compartments which contain an exchangeable transport container containing stable or stabilized yeast cream as described above.
  • the furniture of the device according to the invention may also comprise a refrigerating compartment which contains at least two such exchangeable transport tanks containing stable or stabilized yeast cream.
  • the baker can also avoid troublesome delays or work interruptions by using an installation according to the invention comprising at least two devices according to the invention.
  • the invention also relates to transport containers containing stable or stabilized yeast cream.
  • Said tanks have a total internal volume of between 3 and 100 liters, preferably between 5 and 50 liters, and more preferably between 10 and 25 liters.
  • the transport tank according to the invention is further provided with an outlet opening and a hollow tube comprising a flexible portion located outside the tank. The outlet opening ends in the hollow tube or vice versa.
  • the hollow tube may be an open ended tube.
  • the hollow tube can be closed in a sealed manner, the closed end being removed or opened for the withdrawal of the transport tank dosed amounts of cream yeast.
  • Such tanks for the transport and storage of yeast which are provided with a vent are described in JP-A-062 709 681 , JP-A-06 181 751 , EP-A-0 599 776 and EP-A-0 792 930 .
  • the transport tank according to the invention is generally usefully provided with a vent means.
  • the transport tank according to the invention provided with vent means is preferably oriented so that the vent means is at least partially above the level of the yeast cream.
  • the presence of a vent on the transport tank is much smaller or even, depending on the case, superfluous, because the transport tank is in the compartment refrigeration.
  • the venting means of the transport tank according to the invention is located on the hollow tube, for example at the end of the hollow tube opposite the outlet opening of the transport tank. .
  • the transport tank according to this embodiment is typically oriented with the hollow tube, operating as a vent positioned above the level of the yeast cream.
  • the hollow tube can be converted into an outlet passage by removing the vent located on the tube opposite the outlet opening.
  • the hollow tube can be converted into an outlet passage allowing gravity to be withdrawn from the yeast cream by changing the orientation of the tank so that the outlet opening is at the bottom of the cooling compartment and removing the Vent of the hollow tube.
  • the CO 2 permeable and liquid-tight vents are particularly preferred.
  • Suitable vents and materials for their manufacture are known in the state of the art and are for example described in DE-A-2 509 258 , US-A-4,136,796 , FR-A-2,259,026 , EP-A-0 593 840 and EP-A-0 729 901 .
  • the transport tank according to the invention is a deflatable bag.
  • a first over-packaging may for example be a protective over-packaging providing mechanical strength in a flexible resistant material, such as a net or a fabric made of said flexible resistant material.
  • a second over-packaging may for example be constituted by a rigid box, the assembly being self-supporting as defined above.
  • the over-pack of flexible material of the flexible or deflatable bag for reinforcing the mechanical strength of said flexible or deflatable bag, is welded at least partially to the contour of the flexible bag.
  • the transport tank according to the invention as it is placed in the refrigerating compartment according to the invention, is advantageously transparent or translucent or comprises one or more transparent or translucent parts.
  • the present invention also relates to kits for producing transport tanks according to the invention.
  • Such a kit comprises a transport tank containing stable or stabilized yeast cream.
  • Said tank has a total internal volume of between 3 and 100 liters, preferably between 5 and 50 liters, more preferably between 10 and 25 liters.
  • the kit also includes a hollow tube having a flexible portion.
  • the transport tank and the hollow tube of the kit can be supplied together or separately to the baker.
  • Said transport tank and said hollow tube are provided with connecting means for mounting the hollow tube on the transport tank so as to provide a transport tank according to the invention.
  • connection means of the transport tank and the hollow tube may, for example, be designed so that an outlet opening is created in the transport tank, for example by perforating said tank, when the tube is mounted on The reservoir.
  • the hollow tube of the kit may be a disposable hollow tube.
  • the connection means are useful such that the mounting of the hollow tube on the tank is irreversible.
  • the hollow tube of the kit may also be a multipurpose hollow tube, which after being mounted on a first tank of the kit, can be detached from said first tank to be mounted on a second tank, preferably after cleaning.
  • the transport tank of the kit according to the invention may be a deflatable bag, said bag being advantageously surrounded by one or more mechanical protective overpackages, such as mesh or flexible fabric providing mechanical strength and / or rigid box (freestanding), preferably cardboard, or a wire basket.
  • mechanical protective overpackages such as mesh or flexible fabric providing mechanical strength and / or rigid box (freestanding), preferably cardboard, or a wire basket.
  • yeast cream or “cream of baker's yeast »relates to a liquid suspension, typically aqueous, of living baker's yeast cells, this suspension having a solids content of at least 12% by weight and generally between 12 and 50% by weight (extended definition), that the yeast cream may be a dry baker's yeast cream with a solids content greater than 25% by weight, but that, preferably, the yeast cream has a solids content between 12 and 25% by weight (normal definition ), and more preferably between 15 and 22% by weight.
  • said yeast cream may further comprise ingredients, additives or technological aids having a bread-making enhancer role and / or a role of maintaining the homogeneity of the suspension composed by the mixture thus obtained.
  • Said ingredients, additives or processing aids improving breadmaking are, for example, taken alone or in combination, oxidants such as ascorbic acid, reducing agents such as L-cysteine, enzymatic preparations having one or more enzymatic activities such as amylase (s), xylanase (s), lipase (s) and / or phospholipase (s), oxidase (s) such as glucose oxidase.
  • the device for dosing stabilized bakery yeast cream comprises a refrigerated compartment 10 provided with a door 11.
  • the temperature inside the refrigerating chamber 10 is set at about 3 ° C.
  • a deflatable bag 20 containing stabilized yeast cream 21 is inside the refrigerating compartment 10.
  • the deflatable bag 20 is in a rigid box 22 of cardboard.
  • the deflatable bag 20 is suspended in the refrigerating compartment 10.
  • eyelets 23 are provided in the deflatable bag 20 and the refrigerating compartment 10 is provided with hooks 12 which enter the eyelets 23 of the bag 20.
  • the outlet opening 24 of the deflatable bag 20 is located at the bottom of the refrigerating compartment 10.
  • a rigid plastic ring 25 surrounds the outlet opening 24 which ends in a hollow tube 26 of flexible material.
  • Said hollow tube 26 constitutes the outlet passage for the determination of yeast cream and ends in the withdrawal opening 27.
  • An opening / closing mechanism 30 opens the outlet passage for the withdrawal of the yeast cream by releasing the flexible hollow tube 26 and also allows, after the withdrawal of the desired amount of yeast cream, to close the outlet passage by pinching the flexible hollow tube 26 so as to prevent the yeast cream from flowing out of the deflatable bag 20.
  • the bag 20 is a deflatable bag, there are no gas bubbles entering the bag 20 to compensate for the volume of the yeast cream dosed.
  • the yeast cream 21 remaining in the bag 20 is thus preserved under the best hygienic conditions.
  • the outlet passage is opened and closed by means of a lever 31.
  • the lever 31 By pushing said lever back, for example by means of the container in which it is desired to collect the dosed amount of yeast cream, the lever 31 releases the passage of outlet so that the yeast cream flows from the withdrawal opening 27.
  • the lever 31 By releasing the lever 31, for example by removing the container, the lever rests against the flexible hollow tube 26, and closes thus the output passage.
  • the figure 2 shows a more sophisticated form of execution.
  • the device is provided with a weighing means 40.
  • the baker enters the desired amount of yeast cream.
  • a control station (no shown) actuates the automatic opening of the outlet passage by the opening / closing mechanism 30.
  • the control station actuates the automatic closure of the outlet passage by the opening / closing mechanism 30.
  • the device is provided with an optical system 50 for detecting the presence of a receptacle 41, the control station only actuating the opening of the outlet passage when the detection system 50 detects the presence of a container 41 below the withdrawal opening 27.
  • the device is provided with a security means detecting flows of yeast cream not captured by a container.
  • detection means may be in the form of a collection basin 60 below the outlet opening 27, said basin 60 being provided with a level detector, the control station actuating the closing of the outlet passage as soon as possible. detecting a predetermined level of liquid in the collection basin 60.
  • the figure 3 shows a device according to the invention mounted on wheels whose refrigerating compartment contains two exchangeable transport tanks containing stabilized baker's yeast cream.
  • the refrigerating compartment is designed to accommodate two transport tanks according to the invention of the bag-in box type.
  • Said transport tanks are supplied to the baker in the form of a kit according to the invention comprising, on the one hand, one or more transport tanks containing stabilized baker's yeast cream and, on the other hand, one or more flexible hollow tubes.
  • the baker Before placing a transport tank in the refrigerating compartment 10, the baker assembles the hollow tube 26 on the transport tank so as to form an outlet passage for the yeast cream contained in the tank. When the tank is emptied, the hollow tube 26 is detached from the tank to be reassembled on a new transport tank after cleaning.
  • the front part of the opening / closing mechanism 30 can be disassembled or opened to facilitate the extraction of the empty transport tank and the insertion of a new full transport tank, after which the front part of the mechanism of opening / closing 30 is put back in place or closed.
  • the rigid cardboard box 22 in which the deflating bag is located is provided with a series of openings 28 enabling the baker to visually check the level of the stabilized yeast cream present in the transport tank. This visual verification is further facilitated when the door 11 of the refrigerating chamber is transparent in front of this series of openings 28.
  • the rigid box 22 is also provided with a detection means 29a, 29b making it possible to check whether the reservoir and the baker's yeast cream that it contains have been kept at a sufficiently low temperature to allow a good conservation of the cream, especially during transport and storage of the filled tank.
  • a detection means 29a, 29b making it possible to check whether the reservoir and the baker's yeast cream that it contains have been kept at a sufficiently low temperature to allow a good conservation of the cream, especially during transport and storage of the filled tank.
  • the portion 29a of the detection means gradually changes color so as to alert the baker or his supplier.
  • the device is also provided with an indicator 13 of the temperature inside said refrigerating compartment 10, as well as an alarm 14a and b warning the baker when the temperature inside the refrigerating compartment 10 does not correspond to the temperature.
  • this alarm consists of two light indicators 14a and b, the green indicator 14a being lit when the temperature inside the refrigerating compartment 10 is in this temperature range, the red indicator 14b being turned on in the opposite case. This alarm can be replaced or supplemented by an audible alarm system.
  • the manual lever 31 of the opening / closing mechanism 30 makes it possible to open and close the outlet passage formed by the hollow tube 26.
  • the front part of the opening / closing mechanism 30 can be temporarily removed or opened to facilitate the introduction of a new tank in the refrigerating compartment 10.
  • the bag 20 may be further over-packaged in a flexible over-packaging, such as an over-packing type net or fabric, resistant material to ensure the bag mechanical protection, this variant is not shown in the figures.
  • a flexible over-packaging such as an over-packing type net or fabric, resistant material to ensure the bag mechanical protection

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Dairy Products (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

The invention relates to a yeast cream-dosing device and method. According to the invention, the yeast cream is disposed in an interchangeable transport container (20) which is located inside a refrigerating compartment (10), the aforementioned container being connected to an extraction opening (27) by means of an outlet conduit (26) which can be opened and closed by an opening/closing mechanism (30).

Description

La présente invention concerne l'utilisation d'un dispositif et une méthode pour le dosage de crème de levure de boulangerie stable et le dispositif, et en particulier de crème de levure stabilisée.The present invention relates to the use of a device and method for the determination of stable baker's yeast cream and the device, and in particular stabilized yeast cream.

Il est connu en boulangerie d'utiliser de la levure de boulangerie sous la forme d'une crème de levure de boulangerie.It is known in bakery to use baker's yeast in the form of a baker's yeast cream.

Par crème de levure de boulangerie, on comprend une suspension liquide, typiquement une suspension aqueuse, de cellules vivantes de levure de boulangerie, ladite suspension ayant une teneur en matières sèches d'au moins 12% en masse et généralement entre 12 et 50% en masse (définition étendue de crème de levure). De préférence, la crème de levure de boulangerie répond à la définition normale de crème de levure, c'est-à-dire qu'elle présente une teneur en matières sèches entre 12 et 25% en masse, et encore de préférence entre 15 et 22% en masse. Toutefois, la présente invention est également utile pour des crèmes de levure de boulangerie à teneur en matières sèches élevée, c'est-à-dire d'au moins 25% en masse, comme notamment les crèmes de levure de boulangerie haute densité contenant un ou plusieurs agents osmotiques, tels que par exemple les composés polyhydroxy alimentaires et les sels alimentaires. De telles crèmes de levure de boulangerie haute densité, qui peuvent en particulier présenter une teneur en matières sèches de 25 à 48% en masse, ou encore de 25 à 46 % en masse, sont connues et sont par exemple décrites dans WO91/1235 et W003/048342 .By baker's yeast cream is meant a liquid suspension, typically an aqueous suspension, of live baker's yeast cells, said suspension having a solids content of at least 12% by weight and generally between 12 and 50% by weight. mass (extended definition of yeast cream). Preferably, the cream of baker's yeast meets the normal definition of yeast cream, that is to say that it has a solids content of between 12 and 25% by weight, and even more preferably between 15 and 22% in mass. However, the present invention is also useful for creams of yeast bakery high solids content, that is to say at least 25% by weight, such as in particular creams of yeast bakery high density containing a or several osmotic agents, such as, for example, polyhydroxy food compounds and food salts. Such creams of high-density bakery yeast, which may in particular have a solids content of 25 to 48% by weight, or 25 to 46% by weight, are known and are for example described in WO91 / 1235 and W003 / 048342 .

Il est en particulier connu en boulangerie d'utiliser des crèmes de levure de boulangerie.It is particularly known in bakery to use creams of baker's yeast.

Une crème de levure stable est une crème de levure conservant suffisamment longtemps son homogénéité de manière à pouvoir être conservée sans agitation, pendant son stockage et éventuellement transport, jusqu'à son utilisation dans la préparation d'une pâte en boulangerie.A stable yeast cream is a yeast cream long enough to retain its homogeneity so that it can be stored without agitation, during storage and possibly transport, until it is used in the preparation of a dough in a bakery.

Une crème de levure de boulangerie stabilisée est une crème de levure de boulangerie contenant un ou plusieurs stabilisants alimentaires qui retardent ou évitent la décantation des cellules de levure de la suspension. Grâce à la présence dudit ou desdits stabilisants alimentaires dans la suspension, la crème de levure conserve plus longtemps son homogénéité quand elle est conservée sans agitation. Parmi les différents stabilisants alimentaires utiles pour la stabilisation de crème de levure, on peut signaler des gommes, telles que la gomme de xanthane, et des amidons thermiquement et/ou chimiquement modifiés, tels que l'adipate de diamidon acétylé répondant à la définition de l'amidon modifié E1422. De telles crèmes de levure stabilisées sont par exemple décrites dans EP-A-0 792 930 .A stabilized baker's yeast cream is a baker's yeast cream containing one or more dietary stabilizers that delay or prevent the settling of yeast cells from the suspension. Thanks to the presence of said food stabilizer (s) in the suspension, the yeast cream retains its homogeneity for a longer time when it is kept without stirring. Among the various dietary stabilizers useful for the stabilization of yeast cream, there may be mentioned gums, such as xanthan gum, and thermally and / or chemically modified starches, such as acetylated diamidon adipate as defined by US Pat. modified starch E1422. Such stabilized yeast creams are for example described in EP-A-0 792 930 .

La crème de levure stable est de préférence une crème de levure stabilisée.The stable yeast cream is preferably a stabilized yeast cream.

L'homogénéité de la crème de levure, c'est-à-dire l'absence substantielle de gradient en concentration de matières sèches dans la crème, est une propriété importante pour le boulanger.The homogeneity of the yeast cream, that is to say the substantial absence of a concentration gradient of solids in the cream, is an important property for the baker.

En effet, l'avantage principal pour le boulanger de l'utilisation d'une crème de levure de boulangerie est qu'elle permet un dosage facile grâce à sa forme liquide. Toutefois, ce dosage de levure ne peut être précis et fiable qu'à condition que la crème de levure soit homogène. L'absence d'homogénéité ou, en d'autres mots, la présence dans la crème de levure de boulangerie d'un gradient perceptible en concentration de matières sèches entraîne des erreurs dans la quantité de cellules de levure dosée lors de dosages successifs de la crème pour son introduction dans des pâtes et entraîne ainsi des variations dans la qualité des produits de boulangerie cuits préparés avec ces pâtes.Indeed, the main advantage for the baker of using a baker's yeast cream is that it allows easy dosing thanks to its liquid form. However, this yeast dosage can be accurate and reliable only if the yeast cream is homogeneous. The absence of homogeneity or, in other words, the presence in the baker's yeast cream of a perceptible gradient in dry matter concentration leads to errors in the quantity of yeast cells assayed during successive dosing of the yeast. cream for its introduction into pasta and thus causes variations in the quality of baked goods baked with these pasta.

La crème de levure de boulangerie stable ou stabilisée peut également comporter un ou plusieurs autres ingrédients, tels que des améliorants de panification (oxydants, réducteurs, préparations enzymatiques, émulsifiants) et/ou des conservateurs et/ou d'autres auxiliaires technologiques tels que des polyols. Un dispositif pour le dosage et la distribution des boissons est montré dans WO 02/30807 .Stable or stabilized baker's yeast cream may also include one or more other ingredients, such as bread improvers (oxidants, reducers, enzyme preparations, emulsifiers) and / or preservatives and / or other processing aids such as polyols. A device for dosing and dispensing beverages is shown in WO 02/30807 .

Une installation pour le dosage de crème de levure de boulangerie stabilisée a été proposée dans EP-A-0 792 930 . Une telle installation est notamment utile pour des boulangeries industrielles ayant une consommation de crème de levure d'au moins 300 litres par semaine, et typiquement d'au moins 500 litres par semaine.An installation for the determination of stabilized baker's yeast cream has been proposed in EP-A-0 792 930 . Such an installation is particularly useful for industrial bakeries having a consumption of yeast cream of at least 300 liters per week, and typically at least 500 liters per week.

Une installation de ce type pour le dosage de crème de levure de boulangerie n'est généralement pas appropriée pour des boulangeries dont la consommation de crème de levure ne dépasse pas 150 litres par semaine. En effet, les coûts liés à l'installation, l'utilisation et l'entretien de cette installation pour dosage de crème de levure font que l'utilisation d'une telle installation est non-rentable pour une telle boulangerie de petite taille.An installation of this type for the dosage of baker's yeast cream is generally not suitable for bakeries whose consumption of yeast cream does not exceed 150 liters per week. Indeed, the costs associated with the installation, use and maintenance of this installation for yeast cream dosage make the use of such a facility is uneconomic for such a small bakery.

Il a également été proposé de fournir de la crème de levure stabilisée en petits emballages, par exemple de 0,1 litre ou plus.It has also been proposed to provide stabilized yeast cream in small packages, for example 0.1 liter or more.

Si de tels emballages peuvent s'avérer utiles pour la ménagère, ils ne le sont guère pour le boulanger qui a régulièrement et quasi continûment besoin de quantités relativement petites de crème de levure.If such packaging can be useful for the housewife, they are hardly for the baker who regularly and almost continuously needs relatively small quantities of yeast cream.

La crème de levure de boulangerie stable ou stabilisée étant un produit alimentaire hautement périssable, elle doit être conservée au frais.Stable or stable baker's yeast cream is a highly perishable food product and must be kept cool.

La température régnant dans l'atelier du boulanger où les pâtes sont préparées s'élève généralement à au moins 15°C. Une telle température ne permet pas une conservation adéquate de la crème de levure stable ou stabilisée car elle entraîne une accélération de la perte de viabilité et de pouvoir fermentatif de la levure et de la croissance de contaminants microbiens éventuellement présents. Le boulanger doit donc stocker la crème de levure dans son réfrigérateur et la sortir de son réfrigérateur, lors de l'introduction de la crème de levure dans le pétrin pour la préparation d'une pâte.The temperature prevailing in the baker's shop where the pasta is prepared is generally at least 15 ° C. Such a temperature does not allow adequate preservation of stable or stabilized yeast cream because it causes an acceleration of the loss of viability and fermentative power of the yeast and the growth of microbial contaminants possibly present. The baker must store the yeast cream in his refrigerator and take it out of his refrigerator, when introducing the cream of yeast. yeast in the dough for the preparation of a dough.

Différentes options peuvent être envisagées pour le genre de petits emballages cités ci-dessus.Different options can be envisaged for the kind of small packages mentioned above.

Selon une première option, la crème de levure stable ou stabilisée est conditionnée en quantités correspondant à la quantité de crème de levure nécessaire pour la préparation d'un seul batch de pâte. Cette option, qui peut être convenable pour la ménagère, ne l'est pas pour le boulanger car elle entraîne un prix plus élevé de la crème et enlève aux boulangers toute flexibilité dans ses fabrications, qui sont en général multiples.According to a first option, the stable or stabilized yeast cream is packaged in quantities corresponding to the amount of yeast cream necessary for the preparation of a single batch of dough. This option, which may be suitable for the housewife, is not for the baker because it causes a higher price of the cream and removes bakers flexibility in its fabrications, which are generally multiple.

Selon une autre option, la crème de levure est conditionnée en quantités correspondant à la quantité de crème de levure nécessaire pour la préparation d'une série de batchs de pâte. Le boulanger doit alors, ou bien, à chaque reprise sortir de son atelier et entrer dans son réfrigérateur pour y mesurer la quantité voulue de crème de levure, ou bien, sortir l'emballage de crème de levure de son réfrigérateur, mesurer la quantité voulue de crème de levure et aussitôt replacer l'emballage de crème de levure dans son réfrigérateur. Ces opérations sont en général peu pratiques et peu efficaces pour un professionnel.According to another option, the yeast cream is packaged in amounts corresponding to the amount of yeast cream required for the preparation of a series of batches of dough. The baker then has to either go out of his workshop and enter his refrigerator to measure the desired amount of yeast cream, or take the yeast cream pack out of his refrigerator, measure the desired quantity. of yeast cream and immediately replace the yeast cream package in its refrigerator. These operations are generally impractical and inefficient for a professional.

Dans le cas du conditionnement en quantités correspondant à la quantité de crème de levure nécessaire pour la préparation d'une série de batchs de pâte, le boulanger aura naturellement tendance à sortir l'emballage de crème de levure stable ou stabilisée de son réfrigérateur et à le laisser plus longtemps que le strict nécessaire dans son atelier et donc à des températures entraînant la péremption accélérée de la crème de levure qu'il contient avec tous les problèmes correspondants de mauvaise qualité de produits cuits et de coûts supplémentaires dus à la quantité de crème de levure à jeter.In the case of packaging in quantities corresponding to the amount of yeast cream necessary for the preparation of a series of batches of dough, the baker will naturally tend to remove the stable or stabilized yeast cream package from his refrigerator and to leave it longer than the bare necessities in the workshop and therefore at temperatures that lead to the accelerated expiry of the yeast cream it contains with all the corresponding problems of poor quality of cooked products and additional costs due to the amount of cream yeast to throw.

La présente invention fournit notamment une solution élégante à ces problèmes et permet au boulanger qui consomme, par exemple, entre 3 et 300 litres de crème de levure par semaine, d'utiliser de la crème de levure stable ou stabilisée dans les meilleures conditions. La présente invention concerne en particulier un dispositif pour le dosage en boulangerie de crème de levure de boulangerie stable ou stabilisée. Ledit dispositif comprend un meuble muni d'un compartiment ou chambre frigorifique. La température interne de ce compartiment frigorifique est de - 2°C à 12°C, de préférence de 0 à 10°C et encore de préférence de 0 à 5°C. Le dispositif comprend également un réservoir de transport échangeable contenant de la crème de levure stable ou stabilisée. Ce réservoir de transport échangeable a un volume interne total entre 1 et 100 litres, de préférence entre 3 et 100 litres, encore de préférence entre 5 et 50 litres, et plus de préférence encore entre 10 et 25 litres. Le réservoir de transport échangeable est situé dans le compartiment frigorifique et présente une ouverture de sortie pour la crème de levure.The present invention provides an elegant solution to these problems and allows the baker who consumes, for example, between 3 and 300 liters of yeast cream per week, to use stable yeast cream stabilized under the best conditions. The present invention relates in particular to a device for the bakery dosage of stable or stabilized baker's yeast cream. Said device comprises a piece of furniture provided with a compartment or refrigerating chamber. The internal temperature of this refrigerating compartment is - 2 ° C to 12 ° C, preferably 0 to 10 ° C and more preferably 0 to 5 ° C. The device also includes an exchangeable transport container containing stable or stabilized yeast cream. This exchangeable transport tank has a total internal volume of between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and more preferably between 10 and 25 liters. The exchangeable transport tank is located in the refrigerating compartment and has an outlet opening for the yeast cream.

Le dispositif comporte aussi un passage de sortie pour le dosage de la crème de levure. Ledit passage relie l'ouverture de sortie du réservoir de transport échangeable avec une ouverture de soutirage situé à l'extérieur de la chambre frigorifique.The device also has an outlet passage for the determination of the yeast cream. Said passage connects the outlet opening of the exchangeable transport tank with a withdrawal opening located outside the refrigerating chamber.

Le dispositif comporte également un mécanisme d'ouverture/fermeture comprenant un levier manuel dudit passage de sortie. Ce mécanisme d'ouverture/fermeture permet, d'une part, d'ouvrir le passage de sortie pour le soutirage de la crème de levure et permet, d'autre part, de fermer le passage de sortie pour arrêter le soutirage de la crème de levure.The device also includes an opening / closing mechanism including a manual lever of said outlet passage. This opening / closing mechanism makes it possible, on the one hand, to open the outlet passage for the withdrawal of the yeast cream and, on the other hand, to close the outlet passage to stop the withdrawal of the cream. yeast.

Le dispositif suivant l'invention pour le dosage de crème de levure permet le soutirage d'une quantité dosée de crème de levure du réservoir de transport échangeable via l'ouverture de soutirage par l'actionnement du mécanisme d'ouverture/fermeture.The device according to the invention for the determination of yeast cream allows the withdrawal of a metered amount of yeast cream from the exchangeable transport tank via the withdrawal opening by the actuation of the opening / closing mechanism.

Le dispositif suivant l'invention permet donc au boulanger consommant, par exemple, entre 3 et 300 litres de crème de levure par semaine d'utiliser de la crème de levure dans les meilleures conditions. En effet, la crème de levure est maintenue au frais et le boulanger y a accès sans devoir la chercher à l'intérieur de son réfrigérateur. De plus, l'invention permet de conserver la qualité de la crème de levure pendant un temps de conservation maximal, du fait que la crème de levure est maintenue à une température de conservation réglée jusqu'à son soutirage.The device according to the invention therefore allows the baker consuming, for example, between 3 and 300 liters of yeast cream per week to use yeast cream under the best conditions. Indeed, the yeast cream is kept cool and the baker has access without having to look inside his refrigerator. In addition, the invention makes it possible to maintain the quality of the yeast cream during a maximum preservation time, since the yeast cream is kept at a controlled storage temperature until it is drawn off.

L'invention présente également l'avantage de permettre des dispositifs de dosage peu encombrants et de permettre des dispositifs de dosage de conception simple et facile à utiliser. On note par exemple que le dispositif suivant l'invention ne nécessite pas la présence d'une pompe pour le soutirage de la crème de levure du réservoir.The invention also has the advantage of allowing space-saving dosing devices and allowing dosing devices of simple and easy-to-use design. It is noted for example that the device according to the invention does not require the presence of a pump for withdrawing the yeast cream from the reservoir.

Si toutefois le dispositif comporte une pompe pour la crème de levure, celle-ci est de préférence une pompe péristaltique.However, if the device comprises a pump for yeast cream, it is preferably a peristaltic pump.

Le meuble du dispositif suivant l'invention est avantageusement muni de moyens de transport, comme des roulettes. Ceci facilite notamment le déplacement du dispositif dans l'atelier du boulanger.The furniture of the device according to the invention is advantageously provided with transport means, such as wheels. This facilitates the movement of the device in the baker's workshop.

Un réservoir de transport est un récipient permettant le transport d'une crème de levure stable ou stabilisée dans des conditions hygiéniques, par exemple lors du transport de la crème de levure du fournisseur au boulanger. Le réservoir de transport peut se présenter sous des formes d'exécution diverses. A titre d'exemple, on peut citer les conteneurs ou bidons rigides (autoportants) et les sacs plus ou moins souples, y compris notamment les sacs dégonflables. Les sacs plus ou moins souples sont eux-mêmes de préférence contenus dans un autre emballage rigide (autoportant) comme un carton. De préférence, un emballage ou sur-emballage autoportant est un emballage ou sur-emballage qui peut, à l'état rempli, être stocké en hauteur sur plusieurs couches sans se déformer. Dans le cas des sacs souples sur-emballés en carton autoportant, la rigidité de l'ensemble est apportée essentiellement par le ou les sur-emballages.A transport container is a container for transporting a stable or stabilized yeast cream under hygienic conditions, for example when transporting the supplier's yeast cream to the baker. The transport tank can be in various embodiments. By way of example, mention may be made of rigid containers or containers (self-supporting) and more or less flexible bags, including in particular deflatable bags. The more or less flexible bags themselves are preferably contained in another rigid package (self-supporting) as a carton. Preferably, a self-supporting packaging or overpack is a package or overpack which can, in the filled state, be stored in height on several layers without deforming. In the case of flexible bags over-packaged self-supporting cardboard, the rigidity of the whole is provided essentially by the or over-packaging.

Le réservoir de transport, qu'il soit rigide ou souple, est fait de matériaux appropriés pour le transport de produits alimentaires, tels que la crème de levure.The transport tank, whether rigid or flexible, is made of suitable materials for the transport of food products, such as yeast cream.

De tels matériaux appropriés sont définis par les réglementations pertinentes sur les matériaux en contact avec les produits alimentaires. Il s'agit par exemple du polyéthylène (PE), du polyéthylène haute densité (PEHD), du polyéthylène basse densité (abréviation anglaise : LDPE), du polyéthylène linéaire basse densité (abréviation anglaise LDPE), du polycarbonate, du polyester, du polyéthylène térephtalate (PET), du polytétrafluoroéthylène (PTFE), du polypropylène (PP) et du polyamide (PA).Such suitable materials are defined by relevant regulations on materials in contact with food products. These include, for example, polyethylene (PE), high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LDPE), polycarbonate, polyester, polyethylene terephthalate (PET), polytetrafluoroethylene (PTFE), polypropylene (PP) and polyamide (PA).

Les parois du réservoir de transport peuvent être constituées de matériaux mono-couches ou de matériaux multi-couches, tels que les matériaux laminés ou stratifiés, comprenant par exemple une couche métallique, telle qu'une couche d'aluminium, et le carton ondulé ou non-ondulé plastifié.The walls of the transport tank may be made of single-layer materials or multi-layer materials, such as laminated or laminated materials, including for example a metal layer, such as an aluminum layer, and corrugated board or non-corrugated plasticized.

De préférence, le réservoir de transport permet au boulanger de déterminer ou d'estimer visuellement la quantité de crème de levure présente dans le réservoir, notamment du fait que le réservoir est transparent ou translucide ou comporte une ou plusieurs parties transparentes ou translucides.Preferably, the transport tank allows the baker to visually determine or estimate the amount of yeast cream present in the tank, in particular because the tank is transparent or translucent or has one or more transparent or translucent parts.

Le volume interne total du réservoir de transport échangeable correspond au contenu volumétrique maximal que peut contenir ledit réservoir. Ainsi, dans le cas d'un réservoir de transport rigide (autoportant), le volume interne total correspond simplement au volume interne dudit réservoir. Dans le cas d'un sac souple et notamment d'un sac dégonflable, le volume interne total du réservoir est le volume du sac à l'état gonflé.The total internal volume of the exchangeable transport tank corresponds to the maximum volumetric content that can contain said tank. Thus, in the case of a rigid (self-supporting) transport tank, the total internal volume simply corresponds to the internal volume of said tank. In the case of a flexible bag including a deflatable bag, the total internal volume of the tank is the volume of the bag in the inflated state.

Suivant la présente invention, le réservoir de transport est un réservoir échangeable. Le réservoir de transport peut donc être monté dans le compartiment frigorifique et peut ensuite être démonté du compartiment frigorifique, par exemple, après le dosage de la totalité de la crème de levure stable ou stabilisée au départ présente dans le réservoir, ou encore après un temps de conservation donné de la crème de levure stable ou stabilisée, afin de la remplacer avec de la crème de levure stable ou stabilisée fraîche.According to the present invention, the transport tank is an exchangeable tank. The transport tank can therefore be mounted in the refrigerating compartment and can then be removed from the refrigerating compartment, for example, after the determination of all the stable or stabilized yeast cream present in the tank, or after a period of time. Stable or stabilized yeast cream is given in order to replace it with fresh stable or stabilized yeast cream.

La présente invention présente l'avantage de ne pas nécessiter de moyen mécanique pour le maintien de l'homogénéité de la crème de levure qui se trouve dans le réservoir de transport échangeable. Le dispositif suivant l'invention ne nécessite notamment pas la présence d'un agitateur à l'intérieur du réservoir de transport. De manière analogue, le dispositif suivant l'invention ne nécessite pas la présence d'un axe horizontal pour la mise en rotation du réservoir de transport contenant la crème de levure stable ou stabilisée. L'ouverture de sortie du réservoir de transport échangeable est typiquement située en bas du compartiment frigorifique.The present invention has the advantage of not requiring mechanical means for maintaining the homogeneity of the yeast cream which is in the exchangeable transport tank. The device according to the invention does not particularly require the presence of an agitator inside the transport tank. Similarly, the device according to the invention does not require the presence of a horizontal axis for rotating the transport container containing stable or stabilized yeast cream. The outlet opening of the exchangeable transport tank is typically located at the bottom of the refrigerating compartment.

De manière avantageuse, ladite ouverture de sortie est située en bas du compartiment frigorifique et le passage de sortie est de préférence tel que la crème de levure présente dans le réservoir de transport échangeable peut être soutirée par gravité via le passage de sortie et l'ouverture de soutirage.Advantageously, said outlet opening is situated at the bottom of the refrigerating compartment and the outlet passage is preferably such that the yeast cream present in the exchangeable transport tank can be extracted by gravity via the outlet passage and the opening. racking.

Le passage de sortie du dispositif suivant l'invention peut également être tel que la crème de levure présente dans le réservoir de transport échangeable peut être siphonnée via le passage de sortie vers l'ouverture de soutirage.The outlet passage of the device according to the invention may also be such that the yeast cream present in the exchangeable transport tank may be siphoned via the outlet passage to the withdrawal opening.

Le passage de sortie peut consister en une seule pièce ou peut être constitué de plusieurs éléments coopérants.The exit passage may consist of a single piece or may consist of several cooperating elements.

Suivant une forme de mise en oeuvre intéressante, notamment du point de vue hygiénique, le passage de sortie est un tube à extrémités ouvertes.According to an advantageous embodiment, particularly from the hygienic point of view, the outlet passage is an open-ended tube.

Suivant une forme de réalisation, le passage de sortie, par exemple en forme de tube à extrémités ouvertes, fait partie intégrante du réservoir de transport échangeable.According to one embodiment, the outlet passage, for example in the form of an open-ended tube, forms an integral part of the exchangeable transport tank.

Suivant une autre forme d'exécution, le passage de sortie, par exemple en forme de tube à extrémités ouvertes, est une pièce séparée montée sur le réservoir de transport échangeable.According to another embodiment, the outlet passage, for example in the form of an open-ended tube, is a separate part mounted on the exchangeable transport tank.

Le passage de sortie, par exemple en forme de tube à extrémités ouvertes, comporte avantageusement une partie flexible. En effet, dans ce cas le passage de sortie peut être fermé simplement en pinçant ladite partie flexible et peut être ouvert simplement en la relâchant.The outlet passage, for example in the form of an open-ended tube, advantageously comprises a flexible part. Indeed, in this case the outlet passage can be closed simply by pinching said flexible portion and can be opened simply by releasing it.

Ainsi, suivant une forme d'exécution avantageuse, le mécanisme de fermeture/ouverture du dispositif suivant l'invention est conçu de manière à permettre la fermeture du passage de sortie en pinçant la partie flexible et son ouverture en relâchant ladite partie flexible.Thus, according to an advantageous embodiment, the closure / opening mechanism of the device according to the invention is designed to allow the closure of the outlet passage by pinching the flexible portion and its opening by releasing said flexible portion.

Le dispositif suivant l'invention peut comporter un appareil de pesage muni d'une surface de support pour récipient. Un tel appareil de pesage permet de peser la quantité de la crème de levure introduite dans le récipient lors du soutirage de la crème de levure.The device according to the invention may comprise a weighing apparatus provided with a support surface for a container. Such weighing apparatus makes it possible to weigh the quantity of the yeast cream introduced into the container during the withdrawal of the yeast cream.

Le mécanisme d'ouverture/fermeture est actionné manuellement ou par la présence ou l'absence d'un récipient en dessous de l'ouverture de soutirage.The opening / closing mechanism is operated manually or by the presence or absence of a container below the withdrawal opening.

Le mécanisme d'ouverture/fermeture peut, par exemple, être actionné au moyen d'un levier qui est déplacé avec la main ou par le récipient devant contenir la quantité de crème de levure stable ou stabilisée nécessaire à la fabrication d'un batch de pâte devant être pétrie. Le dispositif peut également être muni d'un système détectant la présence ou l'absence d'un récipient en dessous de l'ouverture de soutirage. Un tel système de détection peut par exemple être un système optique.The opening / closing mechanism may, for example, be actuated by means of a lever which is moved with the hand or by the container to contain the amount of stable or stabilized yeast cream necessary for the production of a batch of dough to be kneaded. The device may also be provided with a system detecting the presence or absence of a container below the withdrawal opening. Such a detection system may for example be an optical system.

Comme déjà mentionné ci-dessus, le réservoir de transport échangeable peut être un conteneur ou bidon rigide (autoportant) ayant, suivant l'invention, un volume interne total entre 1 et 100 litres, de préférence entre 3 et 100 litres, encore de préférence entre 5 et 50 litres, et plus de préférence encore entre 10 et 25 litres, ou encore un sac souple, notamment un sac dégonflable, ayant un tel volume interne total, c'est-à-dire un volume interne à l'état gonflé, entre 1 et 100 litres, de préférence entre 3 et 100 litres, encore de préférence entre 5 et 50 litres, et plus de préférence encore entre 10 et 25 litres. De manière utile, le sac dégonflable peut être un sac en polyéthylène ayant une épaisseur de paroi de 10 à 200µm, de préférence de 10 à 100µm, telle que par exemple de 25 ou de 30 à 50µm. La solution préférentielle est le sac souple en polyéthylène standard, c'est-à-dire en polyéthylène basse densité linéaire ou non.As already mentioned above, the exchangeable transport tank may be a rigid container or container (self-supporting) having, according to the invention, a total internal volume of between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and more preferably between 10 and 25 liters, or a flexible bag, especially a deflatable bag, having such a total internal volume, that is to say an internal volume in the inflated state between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and more preferably between 10 and 25 liters. In a useful manner, the deflatable bag may be a polyethylene bag having a wall thickness of 10 to 200 μm, preferably 10 to 100 μm, such as for example 25 or 30 to 50 μm. The preferred solution is the flexible bag made of standard polyethylene, that is to say in linear low density polyethylene or not.

La forme d'exécution du dispositif suivant l'invention selon laquelle le dispositif comprend un tel sac dégonflable est notamment avantageux du fait qu'elle permet le soutirage d'une quantité dosée de crème de levure du sac dégonflable via l'ouverture de soutirage par l'actionnement du mécanisme d'ouverture/fermenture sans pénétration de gaz de l'extérieur du sac dégonflable vers l'intérieur du sac dégonflable.The embodiment of the device according to the invention according to which the device comprises such a deflatable bag is particularly advantageous because it allows the withdrawal of a quantity of yeast cream from the deflatable bag via the withdrawal opening. actuating the opening / closing mechanism without gas penetration from the outside of the deflatable bag into the deflating bag.

L'utilisation de sacs dégonflables est connue notamment pour le transport et le stockage de boissons, telles que le vin, et dans les goutte-à-goutte en médecine. La caractéristique essentielle des sacs dégonflables est qu'ils sont assez souples pour permettre l'écoulement vers l'extérieur d'un liquide présent dans le sac, sans compensation du volume de liquide sortant par une entrée de gaz. En effet, les sacs dégonflables sont caractérisés par le fait qu'ils dégonflent et donc que leur volume interne diminue au fur et à mesure que le liquide sort.The use of deflatable bags is known in particular for the transport and storage of beverages, such as wine, and in drip in medicine. The essential characteristic of the deflatable bags is that they are flexible enough to allow the outflow of a liquid present in the bag, without compensation of the volume of liquid exiting through a gas inlet. Indeed, the deflatable bags are characterized by the fact that they deflate and therefore their internal volume decreases as the liquid comes out.

L'utilisation d'un sac dégonflable permet notamment une conservation de la crème de levure dans le compartiment frigorifique du dispositif sans que la crème de levure n'entre en contact avec des contaminants, tels que des microorganismes, présents dans l'environnement chez le boulanger.The use of a deflatable bag makes it possible, in particular, to preserve the yeast cream in the refrigerating compartment of the device without the yeast cream coming into contact with contaminants, such as microorganisms, present in the environment at home. baker.

Il est à noter qu'il est également possible d'éviter la contamination de la crème de levure dans le réservoir par des contaminants présents dans l'environnement dans le cas où lors du soutirage de la crème de levure, du gaz pénètre dans le réservoir pour compenser la quantité de crème de levure soutirée, par exemple dans le cas d'un conteneur ou bidon rigide (autoportant).It should be noted that it is also possible to prevent the contamination of the yeast cream in the tank by contaminants present in the environment in the case where during the withdrawal of the yeast cream, gas enters the reservoir to compensate for the amount of yeast cream withdrawn, for example in the case of a container or can rigid (self-supporting).

On peut, par exemple, munir l'ouverture ou le passage par laquelle ou lequel le gaz entre dans le réservoir d'un filtre qui empêche l'entrée de tels contaminants.For example, it is possible to provide the opening or the passage through which the gas enters the reservoir of a filter which prevents the entry of such contaminants.

Suivant une forme d'exécution avantageuse de l'invention, le sac dégonflable se trouve dans un panier grillagé porteur ou une boîte rigide (autoportant). Ce type de sac dégonflable en boîte ou en panier est commercialement connu sous la dénomination anglaise "bag-in-box". Un exemple d'un tel "bag-in-box" est décrit dans US-B-6 223 981 .According to an advantageous embodiment of the invention, the deflatable bag is in a carrier mesh basket or a rigid box (self-supporting). This type of deflatable bag in box or basket is known commercially as "bag-in-box". An example of such a "bag-in-box" is described in US-B-6,223,981 .

Suivant une autre forme d'exécution, le sac dégonflable est suspendu dans le compartiment frigorifique. Dans ce cas, le compartiment frigorifique est muni de moyens pour la suspension du sac. De manière avantageuse, le sac dégonflable est pourvu de moyens facilitant sa suspension, tels que un ou des oeillets, le ou les dits oeillets étant avantageusement renforcés.According to another embodiment, the deflatable bag is suspended in the refrigerating compartment. In this case, the refrigerating compartment is provided with means for suspending the bag. Advantageously, the deflatable bag is provided with means facilitating its suspension, such as one or eyelets, or said eyelets being advantageously reinforced.

Afin de promouvoir l'écoulement de la crème de levure hors du sac dégonflable, le dispositif peut être muni d'un moyen pour appliquer une pression sur l'extérieur du sac dégonflable présent dans le compartiment frigorifique. Par exemple, le dispositif peut être muni d'un moyen permettant d'augmenter la pression dans le compartiment frigorifique. On peut également envisager des moyens mécaniques pour appliquer une pression sur le sac dégonflable.In order to promote the flow of the yeast cream out of the deflatable bag, the device may be provided with means for applying pressure to the outside of the deflatable bag present in the refrigerating compartment. For example, the device may be provided with means for increasing the pressure in the refrigerating compartment. Mechanical means can also be envisaged to apply pressure to the deflatable bag.

La présence d'un moyen de pression est particulièrement utile dans le cas de crèmes de levure très visqueuses et/ou quand le sac dégonflable est presque vide.The presence of a pressure medium is particularly useful in the case of highly viscous yeast creams and / or when the deflating bag is almost empty.

De tels moyens de pression sont notamment connus de DE-A-3 502 455 .Such pressure means are in particular known from DE-A-3,502,455 .

Il est évident que la chambre frigorifique et/ou le sac dégonflable peuvent aussi être munis d'autres moyens promouvant une vidange ou un drainage plus aisé et/ou plus complet du sac dégonflable. De tels moyens sont notamment décrits dans DE-A-3 502 455 , WO 89/00535 , WO 85/04383 , WO 90/06888 , WO 01/79072 et EP-A-0 138 620 .It is obvious that the refrigerating chamber and / or the deflatable bag can also be provided with other means promoting an emptying or easier and / or more complete drainage of the deflatable bag. Such means are described in particular in DE-A-3,502,455 , WO 89/00535 , WO 85/04383 , WO 90/06888 , WO 01/79072 and EP-A-0 138 620 .

Une propriété préférentielle importante des réservoirs de transport est leur résistance aux chutes. Il est, en effet, souhaitable que les réservoirs de transports, en particulier pour liquides, restent étanches lors d'un impact, sachant que lors du transport de produits industriels, des chutes occasionnelles sont quasi inévitables. Des tests de chutes ont été développés pour vérifier la résistance aux chutes des réservoirs de transport.An important preferential property of the transport tanks is their resistance to falls. It is indeed desirable that the transport tanks, in particular for liquids, remain tight during an impact, knowing that during the transport of industrial products, occasional falls are almost inevitable. Falling tests have been developed to check the resistance to falls of transport tanks.

Pour le cas présent, le réservoir de transport selon l'invention résiste de préférence aux chutes libres d'une hauteur de 110 cm. En d'autres termes, avantageusement, le réservoir de transport contenant de la crème de levure stable reste étanche quand il est soumis à une seule chute libre d'une hauteur de 110 cm, même si l'impact entre le réservoir et le sol se fait de manière oblique, en particulier sur le bord supérieur ou inférieur du réservoir de transport. Plusieurs moyens existent permettant d'améliorer la résistance aux chutes des réservoirs de transport selon l'invention. On note, par exemple, en ce qui concerne les sacs souples ou dégonflables, que le fait de les munir d'un panier grillagé et/ou porteur ou d'une boite rigide (autoportante) contribue déjà considérablement à la résistance aux chutes des réservoirs selon l'invention. il existe d'ailleurs de tels paniers et boites pour sacs souples ou dégonflables qui sont spécifiquement conçus pour avoir une résistance élevée aux chutes et en particulier aux chutes obliques. La contribution du panier ou de la boite à la résistance aux chutes est particulièrement efficace quand le contour transversal externe de la poche est supérieur au contour transversal interne du panier ou de la boite.For the present case, the transport tank according to the invention is preferably resistant to free falls of a height of 110 cm. In other words, advantageously, the transport container containing stable yeast cream remains tight when it is subjected to a single free fall of a height of 110 cm, even if the impact between the tank and the ground is made obliquely, especially on the upper or lower edge of the transport tank. Several means exist to improve the resistance to falls of the transport tanks according to the invention. For example, with regard to soft bags or deflatable, that the fact of providing a mesh basket and / or carrier or a rigid box (freestanding) already contributes significantly to the resistance to falls tanks according to the invention. there are also such baskets and boxes for flexible or deflatable bags that are specifically designed to have a high resistance to falls and in particular oblique falls. The contribution of the basket or the box to the resistance to falls is particularly effective when the outer transverse contour of the pocket is greater than the internal transverse contour of the basket or the box.

Le sac souple ou dégonflable, avec ou sans panier ou boite, peut également être muni d'une couche ou poche de renforcement, par exemple en polypropylène, en polyester, en polyéthylène ou en polyamide, qui entoure le sac souple ou dégonflable. Cette couche ou poche de renforcement peut, par exemple, être un filet ou tissu de renforcement, elle a un même rôle de renforcement que le panier grillagé.The flexible or deflatable bag, with or without basket or box, may also be provided with a reinforcing layer or bag, for example polypropylene, polyester, polyethylene or polyamide, which surrounds the flexible or deflatable bag. This reinforcing layer or pocket may, for example, be a net or reinforcing fabric, it has the same reinforcing role as the mesh basket.

Une solution préférentielle consiste dans le domaine des liquides alimentaires, comme les crèmes de levures à employer une poche souple, en polyéthylène standard, une poche de renforcement et un carton, l'ensemble étant autoportant comme défini ci-dessus.A preferred solution is in the field of food liquids, such as yeast creams to use a flexible pouch, standard polyethylene, a reinforcement pouch and a carton, all being self-supporting as defined above.

En utilisant un dispositif suivant l'invention dont le meuble comprend au moins deux compartiments frigorifiques contenant chacun un réservoir de transport échangeable ou en utilisant un dispositif suivant l'invention dont le meuble comprend un compartiment frigorifique contenant au moins deux réservoirs de transport échangeables, le boulanger peut éviter des retards ou interruptions de travail gênants au moment où un premier réservoir de transport échangeable d'un dispositif est vide ou presque vide, en passant à ce moment pour le soutirage de crème de levure à un deuxième réservoir de transport échangeable du dispositif.By using a device according to the invention whose furniture comprises at least two refrigerating compartments each containing an exchangeable transport tank or by using a device according to the invention whose furniture comprises a refrigerating compartment containing at least two exchangeable transport tanks, the baker can avoid annoying delays or interruptions of work at the moment when a first exchangeable transport tank of a device is empty or almost empty, passing at this time for the withdrawal of yeast cream to a second exchangeable transport tank of the device .

Dans ce cas, le dispositif comprend de préférence pour chacun de ses réservoirs de transport échangeables un passage de sortie reliant l'ouverture de sortie dudit réservoir avec une ouverture de soutirage à l'extérieur de la chambre frigorifique dans laquelle se trouve le réservoir ainsi qu'un mécanisme d'ouverture/fermeture permettant d'ouvrir et de fermer ce passage de sortie.In this case, the device preferably comprises for each of its exchangeable transport tanks an outlet passage connecting the outlet opening of said reservoir with a withdrawal opening outside the refrigerating chamber in which the reservoir is located, as well as an opening / closing mechanism for opening and closing this outlet passage.

Le meuble du dispositif suivant l'invention peut ainsi comprendre au moins deux compartiments frigorifiques qui contiennent un réservoir de transport échangeable contenant de la crème de levure stable ou stabilisée tel que décrit ci-dessus.The cabinet of the device according to the invention may thus comprise at least two refrigerated compartments which contain an exchangeable transport container containing stable or stabilized yeast cream as described above.

Le meuble du dispositif suivant l'invention peut aussi comprendre un compartiment frigorifique qui contient au moins deux tels réservoirs de transport échangeables contenant de la crème de levure stable ou stabilisée.The furniture of the device according to the invention may also comprise a refrigerating compartment which contains at least two such exchangeable transport tanks containing stable or stabilized yeast cream.

Dans ces cas, le dispositif suivant l'invention comprend avantageusement pour chacun des réservoirs de transport échangeables :

  • un passage de sortie pour le dosage de la crème de levure, ledit passage reliant l'ouverture de sortie du réservoir de transport échangeable (avec une ouverture de soutirage à l'extérieur de la chambre frigorifique ; et
  • un mécanisme d'ouverture/fermeture permettant d'ouvrir ledit passage de sortie pour le soutirage de la crème de levure et permettant de fermer ledit passage de sortie pour arrêter le soutirage de la crème de levure du réservoir de transport en question.
In these cases, the device according to the invention advantageously comprises for each of the exchangeable transport tanks:
  • an outlet passage for the determination of the yeast cream, said passage connecting the outlet opening of the exchangeable transport tank (with a withdrawal opening to the outside of the refrigerating chamber;
  • an opening / closing mechanism for opening said outlet passage for withdrawing the yeast cream and for closing said outlet passage to stop the withdrawal of the yeast cream from the transport tank in question.

Le boulanger peut également éviter des retards ou interruptions de travail gênantes en utilisant une installation suivant l'invention comprenant au moins deux dispositifs suivant l'invention.The baker can also avoid troublesome delays or work interruptions by using an installation according to the invention comprising at least two devices according to the invention.

L'invention concerne également des réservoirs de transport contenant de la crème de levure stable ou stabilisée. Lesdits réservoirs ont un volume interne total entre 3 et 100 litres, de préférence entre 5 et 50 litres, et encore de préférence entre 10 et 25 litres. Le réservoir de transport suivant l'invention est en plus muni d'une ouverture de sortie et d'un tube creux comprenant une partie flexible située à l'extérieur du réservoir. L'ouverture de sortie aboutit dans le tube creux ou vice-versa.The invention also relates to transport containers containing stable or stabilized yeast cream. Said tanks have a total internal volume of between 3 and 100 liters, preferably between 5 and 50 liters, and more preferably between 10 and 25 liters. The transport tank according to the invention is further provided with an outlet opening and a hollow tube comprising a flexible portion located outside the tank. The outlet opening ends in the hollow tube or vice versa.

Le tube creux peut être un tube à extrémités ouvertes. Pour éviter des fuites de crème de levure lors du transport de la crème dans le réservoir de transport, le tube creux peut être fermé de manière étanche, l'extrémité fermée étant enlevée ou ouverte pour le soutirage du réservoir de transport de quantités dosées de crème de levure.The hollow tube may be an open ended tube. To prevent leakage of yeast cream during transport of the cream in the transport tank, the hollow tube can be closed in a sealed manner, the closed end being removed or opened for the withdrawal of the transport tank dosed amounts of cream yeast.

Il est connu que, pendant son transport et le stockage, la levure fraîche est susceptible de dégager du CO2. La manifestation de ce phénomène et la quantité de CO2 dégagée dépendent notamment de la température de la levure fraîche.It is known that during its transport and storage, fresh yeast is likely to release CO 2 . The manifestation of this phenomenon and the amount of CO 2 released depend in particular on the temperature of the fresh yeast.

Il est également connu, pour éviter des surpressions trop élevées, de munir les réservoirs de transport et de stockage de levure fraîche d'un évent.It is also known, in order to avoid overpressure that is too high, to provide the fresh yeast transport and storage tanks with a vent.

De tels réservoirs pour le transport et le stockage de levure qui sont munis d'un évent sont décrits dans JP-A-062 709 681 , JP-A-06 181 751 , EP-A- 0 599 776 et EP-A-0 792 930 .Such tanks for the transport and storage of yeast which are provided with a vent are described in JP-A-062 709 681 , JP-A-06 181 751 , EP-A-0 599 776 and EP-A-0 792 930 .

De manière analogue, le réservoir de transport, suivant l'invention est généralement utilement muni d'un moyen formant évent. Lors de son transport, le réservoir de transport suivant l'invention muni d'un moyen formant évent est de préférence orienté de manière à ce que le moyen formant évent se situe au moins partiellement au-dessus du niveau de la crème de levure.Similarly, the transport tank according to the invention is generally usefully provided with a vent means. During transport, the transport tank according to the invention provided with vent means is preferably oriented so that the vent means is at least partially above the level of the yeast cream.

Il est à signaler que, dans le dispositif suivant l'invention, la présence d'un évent sur le réservoir de transport est nettement moins importante ou même, selon le cas, superflue, du fait que le réservoir de transport se trouve dans le compartiment frigorifique.It should be noted that, in the device according to the invention, the presence of a vent on the transport tank is much smaller or even, depending on the case, superfluous, because the transport tank is in the compartment refrigeration.

Suivant une forme d'exécution particulière, le moyen formant évent du réservoir de transport suivant l'invention est situé sur le tube creux, par exemple à l'extrémité du tube creux à l'opposé de l'ouverture de sortie du réservoir de transport.According to a particular embodiment, the venting means of the transport tank according to the invention is located on the hollow tube, for example at the end of the hollow tube opposite the outlet opening of the transport tank. .

Lors de son transport, le réservoir de transport suivant cette forme d'exécution est typiquement orienté avec le tube creux, fonctionnant en tant qu'évent positionné au-dessus du niveau de la crème de levure. Lors de l'introduction du réservoir de transport échangeable dans le dispositif suivant l'invention, le tube creux peut être transformé en passage de sortie en enlevant l'évent situé sur ce tube à l'opposé de l'ouverture de sortie. Ainsi, le tube creux peut être transformé en passage de sortie permettant le soutirage de la crème de levure par gravité en changeant l'orientation du réservoir de manière à ce que l'ouverture de sortie se trouve en bas du compartiment frigorifique et en enlevant l'évent du tube creux.During transport, the transport tank according to this embodiment is typically oriented with the hollow tube, operating as a vent positioned above the level of the yeast cream. When introducing the exchangeable transport tank into the device according to the invention, the hollow tube can be converted into an outlet passage by removing the vent located on the tube opposite the outlet opening. Thus, the hollow tube can be converted into an outlet passage allowing gravity to be withdrawn from the yeast cream by changing the orientation of the tank so that the outlet opening is at the bottom of the cooling compartment and removing the Vent of the hollow tube.

Parmi les évents envisageables, les évents perméables au CO2 et étanches aux liquides sont particulièrement préférés. Des évents appropriés et des matériaux pour leur fabrication sont connus dans l'état de la technique et sont par exemple décrits dans DE-A-2 509 258 , US-A-4 136 796 , FR-A-2 259 026 , EP-A-0 593 840 et EP-A-0 729 901 .Of the possible vents, the CO 2 permeable and liquid-tight vents are particularly preferred. Suitable vents and materials for their manufacture are known in the state of the art and are for example described in DE-A-2 509 258 , US-A-4,136,796 , FR-A-2,259,026 , EP-A-0 593 840 and EP-A-0 729 901 .

Suivant une option totalement compatible avec chacune des formes d'exécution décrites ci-dessus, le réservoir de transport suivant l'invention est un sac dégonflable.According to an option fully compatible with each of the embodiments described above, the transport tank according to the invention is a deflatable bag.

Ledit sac dégonflable est avantageusement entouré d'un ou plusieurs sur-emballages. Un premier sur-emballage peut par exemple être un sur-emballage de protection assurant une résistance mécanique dans un matériau résistant souple, tel qu'un filet ou un tissu réalisés en ledit matériau résistant souple. Un second sur-emballage peut par exemple être constitué en une boîte rigide, l'ensemble étant autoportant tel que défini ci-dessus.Said deflatable bag is advantageously surrounded by one or more over-packs. A first over-packaging may for example be a protective over-packaging providing mechanical strength in a flexible resistant material, such as a net or a fabric made of said flexible resistant material. A second over-packaging may for example be constituted by a rigid box, the assembly being self-supporting as defined above.

De préférence, le sur-emballage en matériau souple du sac souple ou dégonflable, permettant de renforcer la résistance mécanique dudit sac souple ou dégonflable, est soudé au moins partiellement au contour du sac souple.Preferably, the over-pack of flexible material of the flexible or deflatable bag, for reinforcing the mechanical strength of said flexible or deflatable bag, is welded at least partially to the contour of the flexible bag.

Le réservoir de transport suivant l'invention, tel qu'il est placé dans le compartiment frigorifique selon l'invention, est avantageusement transparent ou translucide ou comporte une ou plusieurs parties transparentes ou translucides.The transport tank according to the invention, as it is placed in the refrigerating compartment according to the invention, is advantageously transparent or translucent or comprises one or more transparent or translucent parts.

La présente invention concerne également des kits permettant de réaliser des réservoirs de transport suivant l'invention.The present invention also relates to kits for producing transport tanks according to the invention.

Un tel kit comprend un réservoir de transport contenant de la crème de levure stable ou stabilisée. Ledit réservoir a un volume interne total entre 3 et 100 litres, de préférence entre 5 et 50 litres, encore de préférence entre 10 et 25 litres.Such a kit comprises a transport tank containing stable or stabilized yeast cream. Said tank has a total internal volume of between 3 and 100 liters, preferably between 5 and 50 liters, more preferably between 10 and 25 liters.

Le kit comprend également un tube creux comportant une partie flexible.The kit also includes a hollow tube having a flexible portion.

Le réservoir de transport et le tube creux du kit peuvent être fournis ensemble ou séparément au boulanger.The transport tank and the hollow tube of the kit can be supplied together or separately to the baker.

Ledit réservoir de transport et ledit tube creux sont munis de moyens de raccordement permettant de monter le tube creux sur le réservoir de transport de manière à réaliser un réservoir de transport suivant l'invention.Said transport tank and said hollow tube are provided with connecting means for mounting the hollow tube on the transport tank so as to provide a transport tank according to the invention.

Les moyens de raccordement du réservoir de transport et du tube creux peuvent, par exemple, être conçus de manière à ce qu'une ouverture de sortie soit créée dans le réservoir de transport, par exemple en perforant ledit réservoir, quand le tube est monté sur le réservoir.The connection means of the transport tank and the hollow tube may, for example, be designed so that an outlet opening is created in the transport tank, for example by perforating said tank, when the tube is mounted on The reservoir.

Le tube creux du kit peut être un tube creux à usage unique. Dans ce cas, les moyens de raccordement sont de manière utile tels que le montage du tube creux sur le réservoir est irréversible.The hollow tube of the kit may be a disposable hollow tube. In this case, the connection means are useful such that the mounting of the hollow tube on the tank is irreversible.

Le tube creux du kit peut également être un tube creux à usage multiple, qui après avoir été monté sur un premier réservoir du kit, peut être détaché dudit premier réservoir pour être monté sur un deuxième réservoir, de préférence après nettoyage.The hollow tube of the kit may also be a multipurpose hollow tube, which after being mounted on a first tank of the kit, can be detached from said first tank to be mounted on a second tank, preferably after cleaning.

Le réservoir de transport du kit suivant l'invention peut être un sac dégonflable, ledit sac étant avantageusement entouré d'un ou plusieurs sur-emballages de protection mécanique, tel(s) que filet ou tissu souple apportant une résistance mécanique et/ou une boîte rigide (autoportante), de préférence en carton, ou un panier grillagé.The transport tank of the kit according to the invention may be a deflatable bag, said bag being advantageously surrounded by one or more mechanical protective overpackages, such as mesh or flexible fabric providing mechanical strength and / or rigid box (freestanding), preferably cardboard, or a wire basket.

Il est rappelé que, dans ce qui précède, notamment en ce qui concerne les différentes formes de mise en oeuvre du dispositif, du réservoir, du kit et de l'utilisation suivant l'invention, le terme « crème de levure » ou « crème de levure de boulangerie » concerne une suspension liquide, typiquement aqueuse, de cellules vivantes de levure de boulangerie cette suspension ayant une teneur en matières sèches d'au moins 12% en masse et généralement entre 12 et 50% en masse (définition étendue), que la crème de levure peut être une crème de levure de boulangerie à teneur en matières sèches supérieure à 25% en masse, mais que de préférence, la crème de levure présente une teneur en matières sèches entre 12 et 25% en masse (définition normale), et encore de préférence entre 15 et 22% en masse.It is recalled that, in the foregoing, in particular with regard to the various forms of implementation of the device, the reservoir, the kit and the use according to the invention, the term "yeast cream" or "cream of baker's yeast »relates to a liquid suspension, typically aqueous, of living baker's yeast cells, this suspension having a solids content of at least 12% by weight and generally between 12 and 50% by weight (extended definition), that the yeast cream may be a dry baker's yeast cream with a solids content greater than 25% by weight, but that, preferably, the yeast cream has a solids content between 12 and 25% by weight (normal definition ), and more preferably between 15 and 22% by weight.

Il est également rappelé que ladite crème de levure peut comporter en plus des ingrédients, additifs ou auxiliaires technologiques ayant un rôle d'améliorant de panification et/ou un rôle de maintien de l'homogénéité de la suspension composée par le mélange ainsi obtenu. Lesdits ingrédients, additifs ou auxiliaires technologiques améliorant la panification sont, par exemple, pris seul ou en combinaison, des oxydants comme l'acide ascorbique, des réducteurs comme la L-cystéine, des préparations enzymatiques présentant un ou plusieurs activités enzymatiques comme des préparations d'amylase(s), de xylanase(s), de lipase(s) et/ou de phospholipase(s), d'oxydase(s) comme par exemple la glucose oxydase.It is also recalled that said yeast cream may further comprise ingredients, additives or technological aids having a bread-making enhancer role and / or a role of maintaining the homogeneity of the suspension composed by the mixture thus obtained. Said ingredients, additives or processing aids improving breadmaking are, for example, taken alone or in combination, oxidants such as ascorbic acid, reducing agents such as L-cysteine, enzymatic preparations having one or more enzymatic activities such as amylase (s), xylanase (s), lipase (s) and / or phospholipase (s), oxidase (s) such as glucose oxidase.

Divers aspects de la présente invention sont décrits plus en détails ci-après, en faisant référence aux figures annexées qui illustrent à titre d'exemple non limitatif, des formes d'exécution.

  • La figure 1 représente une section verticale et de côté d'une première forme d'exécution du dispositif suivant l'invention.
  • La figure 2 représente une vue frontale avec arrachement partiel d'une autre forme d'exécution du dispositif.
  • La figure 3 représente une vue perspective d'une forme d'exécution du dispositif comprenant deux réservoirs de transport échangeables.
Various aspects of the present invention are described in more detail below, with reference to the appended figures which illustrate by way of nonlimiting example embodiments.
  • The figure 1 represents a vertical and side section of a first embodiment of the device according to the invention.
  • The figure 2 represents a partially broken front view of another embodiment of the device.
  • The figure 3 represents a perspective view of an embodiment of the device comprising two exchangeable transport tanks.

Le dispositif pour le dosage de crème de levure de boulangerie stabilisée comprend un compartiment frigorifique 10 muni d'une porte 11. La température à l'intérieure de la chambre frigorifique 10 est réglée à environ 3°C.The device for dosing stabilized bakery yeast cream comprises a refrigerated compartment 10 provided with a door 11. The temperature inside the refrigerating chamber 10 is set at about 3 ° C.

Un sac dégonflable 20 contenant de la crème de levure stabilisée 21 se trouve à l'intérieur du compartiment frigorifique 10.A deflatable bag 20 containing stabilized yeast cream 21 is inside the refrigerating compartment 10.

Selon la forme d'exécution illustrée dans la figure 1, le sac dégonflable 20 se trouve dans une boîte rigide 22 en carton.According to the embodiment illustrated in the figure 1 , the deflatable bag 20 is in a rigid box 22 of cardboard.

Suivant la forme d'exécution illustrée dans la figure 2, le sac dégonflable 20 est suspendu dans le compartiment frigorifique 10. A cette fin, des oeillets 23 sont prévus dans le sac dégonflable 20 et le compartiment frigorifique 10 est muni de crochets 12 qui entrent dans les oeillets 23 du sac 20.According to the embodiment illustrated in the figure 2 , the deflatable bag 20 is suspended in the refrigerating compartment 10. For this purpose, eyelets 23 are provided in the deflatable bag 20 and the refrigerating compartment 10 is provided with hooks 12 which enter the eyelets 23 of the bag 20.

L'ouverture de sortie 24 du sac dégonflable 20 se trouve en bas du compartiment frigorifique 10. Une bague en matière plastique rigide 25 entoure l'ouverture de sortie 24 qui aboutit dans un tube creux 26 en matière flexible. Ledit tube creux 26 constitue le passage de sortie pour le dosage de crème de levure et se termine en l'ouverture de soutirage 27.The outlet opening 24 of the deflatable bag 20 is located at the bottom of the refrigerating compartment 10. A rigid plastic ring 25 surrounds the outlet opening 24 which ends in a hollow tube 26 of flexible material. Said hollow tube 26 constitutes the outlet passage for the determination of yeast cream and ends in the withdrawal opening 27.

Un mécanisme d'ouverture/fermeture 30 permet d'ouvrir le passage de sortie pour le soutirage de la crème de levure en relâchant le tube creux flexible 26 et permet également, après le soutirage de la quantité de crème de levure voulue, de fermer le passage de sortie en pinçant le tube creux flexible 26 de manière à empêcher la crème de levure de s'écouler du sac dégonflable 20.An opening / closing mechanism 30 opens the outlet passage for the withdrawal of the yeast cream by releasing the flexible hollow tube 26 and also allows, after the withdrawal of the desired amount of yeast cream, to close the outlet passage by pinching the flexible hollow tube 26 so as to prevent the yeast cream from flowing out of the deflatable bag 20.

Du fait que le sac 20 est un sac dégonflable, il n'y a pas de bulles de gaz qui entrent dans le sac 20 en compensation du volume de crème de levure dosé. La crème de levure 21 restant dans le sac 20 est ainsi conservée dans les meilleures conditions hygiéniques.Because the bag 20 is a deflatable bag, there are no gas bubbles entering the bag 20 to compensate for the volume of the yeast cream dosed. The yeast cream 21 remaining in the bag 20 is thus preserved under the best hygienic conditions.

Selon le mécanisme d'ouverture/fermeture 30 du dispositif illustré dans la figure 1, le passage de sortie est ouvert et fermé au moyen d'un levier 31. En poussant ledit levier en arrière, par exemple au moyen du récipient dans lequel on veut recueillir la quantité dosée de crème de levure, le levier 31 libère le passage de sortie de manière à ce que la crème de levure s'écoule de l'ouverture de soutirage 27. En relâchant le levier 31, par exemple en retirant le récipient, le levier s'appuie à nouveau contre le tube creux flexible 26, et ferme ainsi le passage de sortie.According to the opening / closing mechanism 30 of the device illustrated in FIG. figure 1 , the outlet passage is opened and closed by means of a lever 31. By pushing said lever back, for example by means of the container in which it is desired to collect the dosed amount of yeast cream, the lever 31 releases the passage of outlet so that the yeast cream flows from the withdrawal opening 27. By releasing the lever 31, for example by removing the container, the lever rests against the flexible hollow tube 26, and closes thus the output passage.

La figure 2 montre une forme d'exécution plus sophistiquée. Suivant cette forme d'exécution, le dispositif est muni d'un moyen de pesage 40. Par le clavier dudit moyen de pesage 40, le boulanger entre la quantité voulue de crème de levure. Un poste de commande (non montré) actionne l'ouverture automatique du passage de sortie par le mécanisme d'ouverture/fermeture 30. Quand le moyen de pesage 40 constate que la quantité voulue de crème de levure a été introduite dans le récipient 41, le poste de commande actionne la fermeture automatique du passage de sortie par le mécanisme d'ouverture/fermeture 30. Afin d'éviter que l'ouverture du passage de sortie par le mécanisme d'ouverture/fermeture 30 soit actionné en l'absence d'un récipient 41 en dessous de l'ouverture de soutirage 27, le dispositif est muni d'un système optique 50 pour la détection de la présence d'un récipient 41, le poste de commande n'actionnant l'ouverture du passage de sortie que quand le système de détection 50 détecte la présence d'un récipient 41 en dessous de l'ouverture de soutirage 27.The figure 2 shows a more sophisticated form of execution. According to this embodiment, the device is provided with a weighing means 40. By the keyboard of said weighing means 40, the baker enters the desired amount of yeast cream. A control station (no shown) actuates the automatic opening of the outlet passage by the opening / closing mechanism 30. When the weighing means 40 finds that the desired amount of yeast cream has been introduced into the container 41, the control station actuates the automatic closure of the outlet passage by the opening / closing mechanism 30. To prevent the opening of the outlet passage by the opening / closing mechanism 30 is actuated in the absence of a container 41 below of the withdrawal opening 27, the device is provided with an optical system 50 for detecting the presence of a receptacle 41, the control station only actuating the opening of the outlet passage when the detection system 50 detects the presence of a container 41 below the withdrawal opening 27.

Suivant une forme de réalisation possible, le dispositif est muni d'un moyen de sécurité détectant des écoulements de crème de levure non captés par un récipient. Un tel moyen de détection peut être sous la forme d'un bassin collecteur 60 en dessous de l'ouverture de sortie 27, ledit bassin 60 étant muni d'un détecteur de niveau, le poste de commande actionnant la fermeture du passage de sortie dès détection d'un niveau prédéterminé de liquide dans le bassin collecteur 60.According to one possible embodiment, the device is provided with a security means detecting flows of yeast cream not captured by a container. Such detection means may be in the form of a collection basin 60 below the outlet opening 27, said basin 60 being provided with a level detector, the control station actuating the closing of the outlet passage as soon as possible. detecting a predetermined level of liquid in the collection basin 60.

La figure 3 montre un dispositif suivant l'invention monté sur roulettes dont le compartiment frigorifique contient deux réservoirs de transport échangeables contenant de la crème de levure de boulangerie stabilisée.The figure 3 shows a device according to the invention mounted on wheels whose refrigerating compartment contains two exchangeable transport tanks containing stabilized baker's yeast cream.

Suivant la forme d'exécution illustrée, le compartiment frigorifique est conçu de manière à pouvoir accommoder deux réservoirs de transports suivant l'invention du type bag-in box.According to the illustrated embodiment, the refrigerating compartment is designed to accommodate two transport tanks according to the invention of the bag-in box type.

Lesdits réservoirs de transport sont fournis au boulanger sous forme d'un kit suivant l'invention comprenant d'une part un ou plusieurs réservoirs de transport contenant de la crème de levure de boulangerie stabilisée et d'autre part un ou plusieurs tubes creux flexibles 26. Avant de mettre un réservoir de transport dans le compartiment frigorifique 10, le boulanger monte le tube creux 26 sur le réservoir de transport de manière à former un passage de sortie pour la crème de levure contenue dans le réservoir. Quand le réservoir est vidé, le tube creux 26 est détaché du réservoir pour être remonté sur un nouveau réservoir de transport après nettoyage.Said transport tanks are supplied to the baker in the form of a kit according to the invention comprising, on the one hand, one or more transport tanks containing stabilized baker's yeast cream and, on the other hand, one or more flexible hollow tubes. Before placing a transport tank in the refrigerating compartment 10, the baker assembles the hollow tube 26 on the transport tank so as to form an outlet passage for the yeast cream contained in the tank. When the tank is emptied, the hollow tube 26 is detached from the tank to be reassembled on a new transport tank after cleaning.

Comme illustré du coté gauche de la figure 3, la partie avant du mécanisme d'ouverture/fermeture 30, peut être démontée ou ouverte pour faciliter l'extraction du réservoir de transport vidé et l'insertion d'un nouveau réservoir de transport plein, après quoi la partie avant du mécanisme d'ouverture/fermeture 30 est remise en place ou fermée.As illustrated on the left side of the figure 3 the front part of the opening / closing mechanism 30 can be disassembled or opened to facilitate the extraction of the empty transport tank and the insertion of a new full transport tank, after which the front part of the mechanism of opening / closing 30 is put back in place or closed.

La boite rigide 22 en carton dans laquelle se trouve le sac dégonflable est munie d'une série d'ouvertures 28 permettant au boulanger de vérifier visuellement le niveau de la crème de levure stabilisée présente dans le réservoir de transport. Cette vérification visuelle est encore facilitée quand la porte 11 de la chambre frigorifique est transparente en face de cette série d'ouvertures 28.The rigid cardboard box 22 in which the deflating bag is located is provided with a series of openings 28 enabling the baker to visually check the level of the stabilized yeast cream present in the transport tank. This visual verification is further facilitated when the door 11 of the refrigerating chamber is transparent in front of this series of openings 28.

La boite rigide 22 est également muni d'un moyen de détection 29a, 29b permettant de vérifier si le réservoir et la crème de levure de boulangerie qu'il contient ont été maintenus à une température suffisamment basse pour permettre une bonne conservation de la crème, notamment lors du transport et du stockage du réservoir rempli. Quand la température du réservoir et de son contenu dépasse 12°C, la partie 29a du moyen de détection change progressivement de couleur de manière à alerter le boulanger ou son fournisseur.The rigid box 22 is also provided with a detection means 29a, 29b making it possible to check whether the reservoir and the baker's yeast cream that it contains have been kept at a sufficiently low temperature to allow a good conservation of the cream, especially during transport and storage of the filled tank. When the temperature of the tank and its contents exceeds 12 ° C, the portion 29a of the detection means gradually changes color so as to alert the baker or his supplier.

Le dispositif est également muni d'un indicateur 13 de la température à l'intérieure dudit compartiment frigorifique 10, ainsi que d'une alarme 14a et b avertissant le boulanger quand la température à l'intérieur du compartiment frigorifique 10 ne correspond pas à la plage de températures déterminée pour la conservation de la crème de levure, par exemple à cause d'une panne du système de refroidissement. Dans la forme d'exécution illustrée, cette alarme consiste en deux indicateurs lumineux 14a et b, l'indicateur vert 14a étant allumé quand la température à l'intérieur du compartiment frigorifique 10 se situe dans cette plage de température, l'indicateur rouge 14b étant allumé dans le cas inverse. Cette alarme peut être remplacée ou complétée par un système d'alarme sonore.The device is also provided with an indicator 13 of the temperature inside said refrigerating compartment 10, as well as an alarm 14a and b warning the baker when the temperature inside the refrigerating compartment 10 does not correspond to the temperature. temperature range determined for the conservation of the yeast cream, for example because of a failure of the cooling system. In the illustrated embodiment, this alarm consists of two light indicators 14a and b, the green indicator 14a being lit when the temperature inside the refrigerating compartment 10 is in this temperature range, the red indicator 14b being turned on in the opposite case. This alarm can be replaced or supplemented by an audible alarm system.

Le levier manuel 31 du mécanisme d'ouverture/fermeture 30 permet d'ouvrir et de fermer le passage de sortie formé par le tube creux 26.The manual lever 31 of the opening / closing mechanism 30 makes it possible to open and close the outlet passage formed by the hollow tube 26.

La partie avant du mécanisme d'ouverture/fermeture 30 peut être temporairement enlevée ou ouverte pour faciliter la mise en place d'un nouveau réservoir dans le compartiment frigorifique 10.The front part of the opening / closing mechanism 30 can be temporarily removed or opened to facilitate the introduction of a new tank in the refrigerating compartment 10.

Avantageusement, dans les figures citées ci-dessus, le sac 20 peut être de plus sur-emballé dans un sur-emballage souple, tel qu'un sur-emballage type filet ou tissu, en matériau résistant venant assurer au sac une protection mécanique, cette variante n'étant pas montrée dans les figures.Advantageously, in the figures cited above, the bag 20 may be further over-packaged in a flexible over-packaging, such as an over-packing type net or fabric, resistant material to ensure the bag mechanical protection, this variant is not shown in the figures.

Claims (19)

  1. A use, to dose stable yeast cream (21), of a stable baking yeast cream bakery dosing device (21), said device comprising:
    - a piece of furniture provided with a refrigerating compartment (10) having an internal temperature adjusted between -2°C and 12°C, preferably between 0 and 5°C;
    - an exchangeable transport reservoir (20) situated in the refrigerating compartment (10) containing the stable yeast cream (21), said reservoir (20) having a total internal volume between 1 and 100 liters, preferably between 3 and 100 liters, still more preferably between 5 and 50 liters, and even more preferably between 10 and 25 liters and an outlet opening (24) for the yeast cream;
    - an outlet passage (26) for dosing the yeast cream, said passage (26) connecting the outlet opening (24) of the exchangeable transport reservoir (20) with a removal opening (27) outside the refrigerating chamber (10); and
    - an opening/closing mechanism (30) of the outlet passage (26) making it possible to open the outlet passage (26) to remove yeast cream and making it possible to close the outlet passage (26) to stop the removal of the yeast cream,
    said device making it possible to remove a dosed quantity of yeast cream from the exchangeable transport reservoir (20) via the removal opening (27).
  2. The use according to the preceding claim, characterized in that the exchangeable transport reservoir (20) is a deflatable bag, said deflatable bag preferably being surrounded by one or more overpackagings.
  3. The use according to claim 2, characterized in that the deflatable bag is surrounded by one or more overpackagings chosen from among protective overpackagings made from a flexible material and a gridded basket or a self-supporting box, preferably the deflatable bag is surrounded by a protective overpackaging made from a flexible material, the assembly being surrounded by a gridded basket or a self-supporting box.
  4. The use according to claim 1, characterized in that the exchangeable transport reservoir is a self-supporting container or can.
  5. The use according to claim 4, characterized in that the reservoir is provided with a system forming a vent.
  6. The use according to any one of the preceding claims, characterized in that the outlet passage (26) is an open-ended tube.
  7. The use according to any one of the preceding claims, characterized in that the outlet passage (26) comprises a flexible part and in that the opening/closing mechanism (30) makes it possible to close the outlet passage (26) by pinching the flexible part and to open the outlet passage by releasing said flexible part.
  8. The use according to any one of the preceding claims, characterized in that the device comprises a weighing apparatus (40) provided with a support surface for a container (41), said weighing apparatus (40) making it possible to weigh the quantity of yeast cream introduced into the container (41) via the removal opening (27) during removal of the yeast cream.
  9. The use according to any one of the preceding claims, characterized in that the device comprises a control station actuating the opening and closing of the outlet passage (26) by the opening/closing mechanism (30).
  10. The use according to claim 8, characterized in that the device comprises a control station actuating the opening and closing of the outlet passage (26) via the opening/closing mechanism (30), said control station actuating the closing of the outlet passage (26) once a desired quantity of the yeast cream is present in the container (41).
  11. The use according to any one of the preceding claims, characterized in that the furniture comprises at least two refrigerating compartments (10) that contain an exchangeable transport reservoir (20) containing stable yeast cream (21) and having a total internal volume between 1 and 100, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and still more preferably between 10 and 25 liters, and an outlet opening (24) for the yeast cream.
  12. The use according to any one of the preceding claims, characterized in that the furniture comprises a refrigerating compartment (10) that contains at least two exchangeable transport reservoirs (20) containing stable yeast cream (21) and having a total internal volume between 1 and 100 liters, preferably between 3 and 100 liters, more preferably between 5 and 50 liters, and still more preferably between 10 and 25 liters, and an outlet opening (24) for the yeast cream.
  13. The use according to any one of claims 11 and 12, characterized in that the device comprises, for each of the exchangeable transport reservoirs (10):
    - an outlet passage (26) for dosing the yeast cream, said passage (26) connecting the outlet opening (24) of the exchangeable transport reservoir (20) with a removal opening (27) outside the refrigerating chamber (10); and
    - an opening/closing mechanism (30) of said outlet passage (26) making it possible to open said outlet passage (26) to remove yeast cream and making it possible to close said outlet passage (26) to stop the removal of the yeast cream from said transport reservoir (20).
  14. The use according to any one of the preceding claims, characterized in that the stable yeast cream has a dry matter content of between 12 and 25% by mass, preferably between 15 and 22% by mass.
  15. The use according to any one of the preceding claims, characterized in that the stable yeast cream is a stabilized yeast cream.
  16. The use according to any one of the preceding claims, characterized in that the yeast cream comprises one or more ingredients, additives or technological additives serving to improve breadmaking and/or maintain homogeneity.
  17. The use according to any one of the preceding claims, characterized in that said device also comprises:
    - an indicator (13) of the temperature inside the refrigerating compartment (10);
    - an alarm (14a, 14b) signaling when the temperature inside the refrigerating compartment (10) does not correspond to a temperature range determined for storing the yeast cream.
  18. A stable baking yeast cream bakery dosing device (21), said device comprising:
    - a piece of furniture provided with a refrigerating compartment (10) having an internal temperature adjusted between -2°C and 12°C, preferably between 0 and 5°C;
    - an exchangeable transport reservoir (20) situated in the refrigerating compartment (10) containing the stable yeast cream (21), said reservoir (20) having a total internal volume between 1 and 100 liters, preferably between 3 and 100 liters, still more preferably between 5 and 50 liters, and even more preferably between 10 and 25 liters and an outlet opening (24) for the yeast cream;
    - an outlet passage (26) for dosing the yeast cream, said passage (26) connecting the outlet opening (24) of the exchangeable transport reservoir (20) with a removal opening (27) outside the refrigerating chamber (10); and
    - an opening/closing mechanism (30) of the outlet passage (26) making it possible to open the outlet passage (26) to remove yeast cream and making it possible to close the outlet passage (26) to stop the removal of the yeast cream,
    said device making it possible to remove a dosed quantity of yeast cream from the exchangeable transport reservoir (20) via the removal opening (27),
    characterized in that said device also comprises:
    - a manual lever (31) of the opening/closing mechanism (30) making it possible to open and close the outlet passage (26).
  19. The use according to any one of claims 1 to 17 of a yeast cream dosing device belonging to a facility for stable yeast cream bakery dosing comprising at least two yeast cream dosing devices.
EP03778330A 2002-11-22 2003-11-21 Yeast cream-dosing device and method Expired - Lifetime EP1567445B1 (en)

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SI200332169T SI1567445T1 (en) 2002-11-22 2003-11-21 Yeast cream-dosing device and method
EP03778330A EP1567445B1 (en) 2002-11-22 2003-11-21 Yeast cream-dosing device and method

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EP02026074 2002-11-22
EP02026074 2002-11-22
EP03018279 2003-08-12
EP03018279 2003-08-12
EP03778330A EP1567445B1 (en) 2002-11-22 2003-11-21 Yeast cream-dosing device and method
PCT/EP2003/013086 WO2004048253A1 (en) 2002-11-22 2003-11-21 Yeast cream-dosing device and method

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EP1567445B1 true EP1567445B1 (en) 2012-04-04

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EP (1) EP1567445B1 (en)
AT (1) ATE552208T1 (en)
AU (1) AU2003285342B2 (en)
BR (2) BRPI0315690B1 (en)
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RU2005119638A (en) 2006-01-20
MA27529A1 (en) 2005-09-01
CA2542318C (en) 2012-08-14
ATE552208T1 (en) 2012-04-15
MXPA05005473A (en) 2005-11-17
SI1567445T1 (en) 2012-08-31
EP1567445A1 (en) 2005-08-31
BR0315690A (en) 2005-09-20
AU2003285342B2 (en) 2009-10-29
US20060110512A1 (en) 2006-05-25
HRP20050586B1 (en) 2014-07-04
ES2385476T3 (en) 2012-07-25
HRP20050586A2 (en) 2006-07-31
HK1085189A1 (en) 2006-08-18
NO339205B1 (en) 2016-11-14
US10189694B2 (en) 2019-01-29
BRPI0315690B1 (en) 2018-05-22
PL376230A1 (en) 2005-12-27
WO2004048253A1 (en) 2004-06-10
NO20053061L (en) 2005-06-22
NZ542786A (en) 2008-02-29
DK1567445T3 (en) 2012-07-16
CA2542318A1 (en) 2004-06-10
RU2329194C2 (en) 2008-07-20
AU2003285342A1 (en) 2004-06-18
PL206758B1 (en) 2010-09-30
HRP20050586B8 (en) 2014-09-12

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