WO2011138723A1 - Unité pour positionner et extraire des sachets jetables dans des machines à café - Google Patents

Unité pour positionner et extraire des sachets jetables dans des machines à café Download PDF

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Publication number
WO2011138723A1
WO2011138723A1 PCT/IB2011/051924 IB2011051924W WO2011138723A1 WO 2011138723 A1 WO2011138723 A1 WO 2011138723A1 IB 2011051924 W IB2011051924 W IB 2011051924W WO 2011138723 A1 WO2011138723 A1 WO 2011138723A1
Authority
WO
WIPO (PCT)
Prior art keywords
pod
plate
mobile
support means
unit according
Prior art date
Application number
PCT/IB2011/051924
Other languages
English (en)
Inventor
Enrico Levantino
Roberto Maccioni
Original Assignee
Mac Design S.R.L.
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 Mac Design S.R.L. filed Critical Mac Design S.R.L.
Publication of WO2011138723A1 publication Critical patent/WO2011138723A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3623—Cartridges being employed
    • A47J31/3633—Means to perform transfer from a loading position to an infusing position

Definitions

  • the present invention refers to the field of machines for preparation of hot beverages, in particular coffee, of the type using disposable refill doses, such as pods or capsules, and in particular it refers to a unit for positioning and extracting disposable pods in coffee machines.
  • Coffee machines using disposable coffee refill commonly referred to as pods or capsules, consisting of containers of various shapes within which coffee powder is pressed, have been known over the years.
  • Preparing a coffee with such pods is simple.
  • a pod is inserted into a special housing formed in a coffee machine, where it is subjected to the impact of a hot water jet which allows extracting substances contained in the powder, thus obtaining a beverage, coffee in this case, which is conveyed towards a cup or other container.
  • pods There are different types of pods. For example, some of them are actual pods made of paper, others are capsules more properly made of rigid plastic material for food products of the thermoformable type or even of the injection moulding type, or even made of aluminium sheet preformed and protected internally by films made of material for food products.
  • Such pods and capsules are defined with a central axis and two opposite bases substantially perpendicular to the axis, the term "base” being used to indicate a portion of the pod into which the water enters or from which the coffee exits; the pods can have different shapes: cylindrical, cask-like, conical, hemispherical etc.
  • Coffee machines using substantially rigid capsules of this type are equipped with capsule positioning/extracting units structured in various ways, depending, among others, on the shape of the capsule.
  • a positioning unit of this type is for example described in the International patent application n° WO2008142663 in the name of the same Applicant.
  • the object of the present invention is to provide a unit for positioning and extracting disposable pods for a coffee machine which allows the introduction of the abovementioned pods by gravity, in the perpendicular direction with respect to the surface plane of the machine, exploiting the weight of the pod without deforming the paper flange surrounding the abovementioned pod when performing this operation, and capable of allowing the ejection of the paper pod, after dispensing the beverage, from the seat without resulting in the breakage of the pod with ensuing exit of the interior powder and blocking of the unit.
  • Another important object of the present invention is also to combine all the components of the unit, except for those related - in terms of configuration - to the type of pod, so as to handle with the resulting structure, and thus with the model of the coffee machine, the different types of pods available in the market, i.e. paper pods, capsules made of rigid pre-perforated material, and capsules made of rigid hermetic material to be perforated by means of needles.
  • figure 1 is a longitudinal sectional view of the unit for positioning and extracting a pod according to the invention in the pod insertion condition;
  • figure 2 is a longitudinally sectioned top plan view of the unit according to the invention in the condition of figure 1 ;
  • figure 3 is a cross-sectional view of the unit according to the invention taken along lines Ill-Ill of figure 1 ;
  • FIGS. 4 , 5 and 6 are longitudinally sectioned top plan views of the unit according to the invention shown in subsequent operational steps;
  • figure 7 is a side sectional view of the unit according to the invention in the step of discharging the used pod;
  • figure 8 is a cross-sectional view of a second embodiment of the unit according to the invention.
  • figure 9 is a side longitudinal sectional view of an embodiment of the unit according to the invention adapted for processing rigid capsules
  • figure 10 is a side longitudinal section of another embodiment of the unit according to the invention.
  • figure 1 1 is a longitudinally sectioned top plan view of a further embodiment of the unit according to the invention.
  • the unit for positioning and extracting a disposable pod comprises an external casing, schematically indicated with 1 1 , in which a vertical feed duct 12 is defined, open at its upper part for the insertion of a pod C of the conventional type.
  • the pod C is of the type having a substantially circular flat body with substantially rigid edges C2 and a perimeter flange C1 extending from edges C2.
  • the feed duct 12 is configured so as to allow the sliding - by gravity - of the pod oriented with its axis C5 substantially orthogonal to the extension of the feed duct along a pod feeding direction X.
  • Two lateral guides 13 extend parallel along the sides of the casing 1 1 and integral therewith.
  • a stationary slide 14 and a mobile slide 15 are mounted on the guides 13, the mobile slide 15 being slidable thereon.
  • the two slides 14 and 15 define respective opposite hollow portions, substantially plate-shaped, indicated with 16 and 17.
  • a rod 18 is rotatably supported by the stationary slide 14 and extends parallel to one of the two guides, while the mobile slide 15 is slidably connected thereto.
  • An arm 19 carrying a substantially U bolt-shaped body 20 extends rigidly from the rod 18.
  • Body 20 is adapted to be housed in the feed duct 12 and is formed with a pocket 21 adapted to contain a pod C.
  • the U bolt- shaped body 20 is - at its front part - substantially U-shaped with a perimeter portion 20a narrower than the thickness of the pod and whose depth is suitable to contain the flange C1 of the pod, without deforming it.
  • the portions 20a and 20b define in their entirety a pocket 21 for containing the pod and the portion 20a has an opening 20c at its lower part to prevent the flange of the pod - falling into the U bolt-shaped body 20 - from deforming due to the impact against the perimeter edges of the portion 20a.
  • a preloaded spring 22 is wound on the rod 18 and is fixed with one end to the rod 18 and with the other end to the arm 19.
  • the spring 22 keeps the U bolt-shaped body 20 with its opening facing upwards so as to allow the positioning of the pod C therein once it is inserted into the feed duct 12.
  • Respective sleeves 23 and 24 extend coaxially from the centre of the plate portions 16 and 17 and from parts opposite to the concavities 16a and 17a.
  • the stems 25 and 26 of two pistons 27 and 28 arranged at two respective ends are slidably engaged in the sleeves 23 and 24.
  • the stems 25 and 26 pass through respective plate portions 16 and 17 and the pistons 27 and 28 are both positioned on the side of the concavities 16a and 17a of the plate portions 16 and 17.
  • the longitudinal axes of the stem 25 and 26 define a common processing axis indicated with M in the figures.
  • the processing axis M is orthogonal to the pod, i.e. the axis C5 of the pod is substantially coincident with, or anyway parallel to the axis M.
  • a pin 30 connected with a lever 31 is rotatably supported by a portion 1 1 a of the casing 1 1 .
  • the lever 31 is connected to a leverage formed by a crank 32, through which the lever 31 is fixed to the pin 30, and a connecting rod 33, whose ends are respectively connected rotatably to the slide 15 and to an end of the crank 32.
  • a crank 32 through which the lever 31 is fixed to the pin 30, and a connecting rod 33, whose ends are respectively connected rotatably to the slide 15 and to an end of the crank 32.
  • a cam 40 extends radially from the pin 30 aligned with the stem 26.
  • a rocker 34 is connected to a portion 1 1 b of the casing 1 1 , substantially located on the opposite side with respect to the portion 1 1 a, through a pin 35 orthogonal to the axis D of the rod 18, so that the rocker 34 extends with its arms 34a and 34b on a horizontal centre plane.
  • the arm 34a is rotatably connected with its free end to the end of the stem opposite to the piston 27, while the arm 34b slidably abuts through a projection 34c of its free end against a cam profile 36 integral with the mobile slide 15 and extending substantially parallel to the processing axis M.
  • the cam profile 36 comprises two terminal lengths 36a and 36b parallel to the axis M joined by an inclined length 36c.
  • the groove 37 has two terminal lengths 37a and 37b parallel to the longitudinal axis of the rod 18 joined by an inclined length 37c which extends on a cylindrical surface and, therefore, has a helical shape.
  • the inclined length 37c extends for about 90°, whereby, when the pin 38 is engaged in the inclined length 37c of the groove 37, the sliding of the mobile slide 15 in the direction of the axis M is transformed into a corresponding rotation of the rod 18.
  • the pod C is inserted from the top into the feed duct 12 (fig 1 ) to position it within the U bolt-shaped body.
  • the flange C1 of the pod is arranged without being deformed in the perimeter portion 20a of the U bolt-shaped body and extends into the opening 20c, while the edges C2 of the pod rest on the containment portion 20b.
  • the pistons 27 and 28 are positioned on opposite sides of the U bolt-shaped body 20 and they do not touch the pod C (fig 2).
  • the mobile slide 15 is at its maximum retracted position with respect to the stationary slide 14 and the respective stem 26 abuts against the radial cam 40 of the pin 30.
  • the piston 28 moves the pod until it is compressed against the piston 27 (fig 3), while the pin 38 reaches the beginning of the inclined length 37c of the groove 37.
  • the projection 34c of the rocker 34 instead continues abutting on the straight terminal length 36a of the cam profile 36, keeping the rocker 34 stationary.
  • the pod is held between the two pistons 27 and 28.
  • the pin 38 traverses the inclined length 37c of the cam groove 37. Since the pin 38 cannot be moved from its trajectory parallel to the processing axis M, given that it is integral with the mobile slide 15, the rod 18 is rotated around its axis by about 90° overcoming the resistance of the spring 22 and causing a corresponding rotation of the U bolt-shaped body 20 integral with the rod 18 through the arm 19 thereof. In this way, the U bolt- shaped body 20 is moved away from the pod C (fig 4). The projection 34c of the rocker 34 instead continues abutting against the straight terminal length 36a of the cam profile 36, still keeping the rocker 34 stationary.
  • the projection 34c reaches the end of the inclined length 36c and once again abuts against the second straight terminal length 36b of the profile 36 keeping the rocker 34 in the turned position, while the lever 31 , and hence the mobile slide 15, reaches its end stop moving the plate portion 26 thereof to abut against the plate portion 16 of the stationary slide 14.
  • the stationary plate 16 is provided with at least one water injection nozzle, connected by a hydraulic feed duct to pumping means and heating means of the coffee machine, which the unit is associated to, while the mobile plate 17 is provided with a nozzle for the exit of coffee also connected to the hydraulic circuit.
  • the production of the beverage continues in a fully conventional manner and thus it shall not be described in detail.
  • the sealing between the two plates is obtained through an annular gasket 39 thus forming a sealed chamber within which the pod is enclosed.
  • the leverage formed by the crank 32 and the connecting rod 33 allows the inverse translation of the slide 15, and of the relative mobile plate 17 which moves away from the stationary plate 16, by sliding on the lateral guides 13.
  • the stem 25 carrying the piston 27 translates in the same direction towards and simultaneously with the mobile plate 17, which moves away from the stationary plate 16, in that the projection 34c of the rocker 34 inversely travels over the entire inclined length 36c of the profile 36 integral with the slide causing the rocker 34 to rotate in the inverse direction returning to the position of figure 5.
  • the pod is translated and it is detached from the cavity of the stationary plate 16 until it projects entirely therefrom.
  • the U bolt-shaped body which positions the pod along the processing axis of the unit is formed in two halves.
  • a U bolt-shaped body 120 is formed by two equall parts 120a and 120b arranged at the ends of coplanar arms 1 19a and 1 19b extending radially from pins 1 18a and 1 18b located beside the guides 20 and parallel thereto.
  • the pins 1 18a and 1 18b are fixedly supported by the stationary slide 14 and slidably supported by the mobile slide 15.
  • Respective return springs 122a and 122b wound on the pins 1 18a and 1 18b and fixed to the arms 1 19a and 1 19b keep the two equal parts 120a and 120b of the U bolt-shaped body 120 mated in the pod feed duct 12.
  • the shape of body 120 is identical to that of the U bolt- shaped body 20 of the previously described embodiment.
  • the two halves 120a and 120b move away from each other rotating together with the respective pins 1 18a and 1 18b, which are rotated in the same way as previously described with reference to the previous embodiment.
  • FIG. 9 shows an embodiment of the unit according to the invention incorporating the modified U bolt- shaped body, indicated with 220.
  • the U bolt-shaped body is provided with a groove 221 formed along the inner edge thereof and configured to receive the rigid perimeter flange CR1 of the capsule CR fed from the top through a feed duct 212 whose dimensions are adapted to those of the capsule.
  • a motorized actuation of the unit according to the invention is provided for.
  • the actuation lever 31 was replaced by a motor 331 which rotates the pin 30 through a transmission member, for example, a belt 332.
  • the motor is started by means of buttons, not shown, located on the outer casing of the machine.
  • the rocker 34 is replaced by a return spring 434 interposed between a flange 435 integral with the stem 25 of the piston 27 and the bottom of a cap seat 436 fixed to the stationary slide 15 and coaxial to the stem 25.
  • the spring 434 keeps the piston 27 at a position spaced from the cavity of the plate 16 and it is compressed, letting the stem 25 slide in the seat 436, under the action of the piston 28 which pushes the pod into the cavity of the plate 16 once the two plates are mated to form the sealed chamber in which the beverage is made.
  • the unit for positioning and extracting disposable pods for preparing beverages according to the invention may be subjected to variations and/or modifications without departing from the scope of the invention as defined in the attached claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Tea And Coffee (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

L'invention concerne une unité servant à positionner et à extraire des sachets jetables d'une machine servant à préparer des boissons chaudes, en particulier du café, et qui comprend : un conduit (12) d'apport par gravité d'un sachet (C) se déployant dans une direction (X) d'apport de sachet, une plaque fixe (16) et une plaque mobile (17) pouvant glisser vers ladite plaque fixe (16) dans une direction (M) de traitement, orthogonale par rapport à la direction (X) d'apport du sachet, pour s'assembler à la plaque fixe (16) à la fin de la course de la plaque mobile (17). L'unité comprend de plus des premiers moyens de support (27, 28) pouvant glisser les uns en direction des autres le long de l'axe de traitement (M) pour saisir le sachet entre ceux-ci et des deuxièmes moyens de support (20; 120; 220), de manière à retenir le sachet dans le conduit d'apport (12), dans une position sensiblement perpendiculaire à l'axe de traitement (M). Les deuxièmes moyens de support (20; 120; 220) peuvent être déplacés entre une position de retenue de sachet et une position de décharge de sachet, et sont placés latéralement par rapport au conduit d'apport (12), dans lequel ils sont installés après que les premiers moyens de support (27, 28) ont saisi le sachet. Les plaques fixe (16) et mobile (17) comportent des cavités se faisant face, qui servent à contenir le sachet et les premiers moyens de support (27, 28) et sont en outre reliées coulissantes auxdites plaques fixe (16) et mobile (17), de sorte qu'après que les deuxièmes moyens de support ont été déplacés en position de décharge de sachet, la plaque mobile (17) s'assemble à la plaque fixe (16) pour former une chambre hermétique destinée à contenir le sachet et dans laquelle la boisson est préparée ; la plaque mobile (17) et les premiers moyens de support (27, 28) peuvent aussi coulisser dans la direction inverse pour permettre de jeter le sachet, qui est déchargé dans une partie collecte.
PCT/IB2011/051924 2010-05-04 2011-05-02 Unité pour positionner et extraire des sachets jetables dans des machines à café WO2011138723A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITFI2010A000086A IT1399732B1 (it) 2010-05-04 2010-05-04 Gruppo di posizionamento ed estrazione di cialde monouso in macchine da caffè
ITFI2010A000086 2010-05-04

Publications (1)

Publication Number Publication Date
WO2011138723A1 true WO2011138723A1 (fr) 2011-11-10

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PCT/IB2011/051924 WO2011138723A1 (fr) 2010-05-04 2011-05-02 Unité pour positionner et extraire des sachets jetables dans des machines à café

Country Status (2)

Country Link
IT (1) IT1399732B1 (fr)
WO (1) WO2011138723A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20131891A1 (it) * 2013-11-14 2015-05-15 Cbt Italia S R L Gruppo di infusione
US9439532B2 (en) 2014-03-11 2016-09-13 Starbucks Corporation Beverage production machines with multi-chambered basket units
US9504348B2 (en) 2014-03-11 2016-11-29 Starbucks Corporation Cartridge ejection systems and methods for single-serve beverage production machines
US9968217B2 (en) 2015-06-16 2018-05-15 Starbucks Corporation Beverage preparation systems with brew chamber securing mechanisms
US10342377B2 (en) 2015-06-16 2019-07-09 Starbucks Corporation Beverage preparation systems with adaptable brew chambers
US10398253B2 (en) 2013-09-03 2019-09-03 Societe Des Produits Nestle S.A. Beverage production machine using capsules
WO2019183563A1 (fr) * 2018-03-22 2019-09-26 Bedford Systems Llc Mécanisme de perforation pour distributeur de boisson
US10602874B2 (en) 2015-06-16 2020-03-31 Starbucks Corporation Dba Starbucks Coffee Company Beverage preparation systems with brew chamber access mechanisms
US11559166B2 (en) 2017-02-15 2023-01-24 2266170 Ontario Inc. Beverage preparation and infusion system
US11643269B2 (en) 2016-12-01 2023-05-09 Bedford Systems, LLC Container and opening arrangement for beverage production
US11975892B2 (en) 2016-12-01 2024-05-07 Bedford Systems Llc Container and opening arrangement for beverage production

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006013124A1 (fr) * 2004-06-04 2006-02-09 Sgl Italia S.R.L. Percolateur pour faire une boisson
EP1859714A1 (fr) * 2006-05-24 2007-11-28 Nestec S.A. Dispositif d'infusion et système à capsule avec un dispositif de support de capsule pour faciliter l'insertion et l'extraction de la capsule
WO2008142663A2 (fr) 2007-05-23 2008-11-27 Mac Design S.A.S. Di Roberto Maccioni & C. Ensemble de positionnement et d'extraction pour des capsules à usage unique dans des machines à café
FR2916336A1 (fr) * 2007-05-21 2008-11-28 Cie Mediterraneenne Des Cafes Systeme de production de boissons par infusion
EP2177136A1 (fr) * 2008-10-17 2010-04-21 Delica AG Dispositif et agencement de préparation d'un produit alimentaire ou de dégustation liquide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006013124A1 (fr) * 2004-06-04 2006-02-09 Sgl Italia S.R.L. Percolateur pour faire une boisson
EP1859714A1 (fr) * 2006-05-24 2007-11-28 Nestec S.A. Dispositif d'infusion et système à capsule avec un dispositif de support de capsule pour faciliter l'insertion et l'extraction de la capsule
FR2916336A1 (fr) * 2007-05-21 2008-11-28 Cie Mediterraneenne Des Cafes Systeme de production de boissons par infusion
WO2008142663A2 (fr) 2007-05-23 2008-11-27 Mac Design S.A.S. Di Roberto Maccioni & C. Ensemble de positionnement et d'extraction pour des capsules à usage unique dans des machines à café
EP2177136A1 (fr) * 2008-10-17 2010-04-21 Delica AG Dispositif et agencement de préparation d'un produit alimentaire ou de dégustation liquide

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10398253B2 (en) 2013-09-03 2019-09-03 Societe Des Produits Nestle S.A. Beverage production machine using capsules
ITMI20131891A1 (it) * 2013-11-14 2015-05-15 Cbt Italia S R L Gruppo di infusione
WO2015071399A1 (fr) * 2013-11-14 2015-05-21 Cbt Italia S.R.L. Unité d'infusion
US9439532B2 (en) 2014-03-11 2016-09-13 Starbucks Corporation Beverage production machines with multi-chambered basket units
US9504348B2 (en) 2014-03-11 2016-11-29 Starbucks Corporation Cartridge ejection systems and methods for single-serve beverage production machines
US9999315B2 (en) 2014-03-11 2018-06-19 Starbucks Corporation Beverage production methods with multi chambered basket units
US10342377B2 (en) 2015-06-16 2019-07-09 Starbucks Corporation Beverage preparation systems with adaptable brew chambers
US9968217B2 (en) 2015-06-16 2018-05-15 Starbucks Corporation Beverage preparation systems with brew chamber securing mechanisms
US10602874B2 (en) 2015-06-16 2020-03-31 Starbucks Corporation Dba Starbucks Coffee Company Beverage preparation systems with brew chamber access mechanisms
US11643269B2 (en) 2016-12-01 2023-05-09 Bedford Systems, LLC Container and opening arrangement for beverage production
US11975892B2 (en) 2016-12-01 2024-05-07 Bedford Systems Llc Container and opening arrangement for beverage production
US11559166B2 (en) 2017-02-15 2023-01-24 2266170 Ontario Inc. Beverage preparation and infusion system
WO2019183563A1 (fr) * 2018-03-22 2019-09-26 Bedford Systems Llc Mécanisme de perforation pour distributeur de boisson
CN112040819A (zh) * 2018-03-22 2020-12-04 贝德福德***有限责任公司 用于饮料机的穿刺机构
US11350784B2 (en) 2018-03-22 2022-06-07 Bedford Systems Llc Puncture mechanism for beverage machine

Also Published As

Publication number Publication date
ITFI20100086A1 (it) 2011-11-05
IT1399732B1 (it) 2013-05-03

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