EP2067710B1 - Sac refermable - Google Patents
Sac refermable Download PDFInfo
- Publication number
- EP2067710B1 EP2067710B1 EP07122433.1A EP07122433A EP2067710B1 EP 2067710 B1 EP2067710 B1 EP 2067710B1 EP 07122433 A EP07122433 A EP 07122433A EP 2067710 B1 EP2067710 B1 EP 2067710B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- particles
- bag
- hooks
- product
- loops
- 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.)
- Active
Links
- 239000002245 particle Substances 0.000 claims description 76
- 239000003599 detergent Substances 0.000 claims description 23
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 29
- 239000000047 product Substances 0.000 description 24
- 239000000463 material Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 16
- 238000005469 granulation Methods 0.000 description 8
- 230000003179 granulation Effects 0.000 description 8
- -1 polyethylene Polymers 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 239000012209 synthetic fiber Substances 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 239000002304 perfume Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229920006379 extruded polypropylene Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005563 spheronization Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/24—End- or aperture-closing arrangements or devices using self-locking integral or attached closure elements, e.g. flaps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B50/814—Applying closure elements to blanks, webs or boxes
- B31B50/8144—Applying hook-and-loop-type fasteners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/813—Applying closures
- B31B70/8131—Making bags having interengaging closure elements
- B31B70/8133—Applying the closure elements in the cross direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2313/00—Connecting or fastening means
- B65D2313/02—Connecting or fastening means of hook-and-loop type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
Definitions
- This invention relates to bags for use in storing granular detergent, wherein the bag has a re-closing means and the product comprises particles of a specific size.
- Flexible bags are used today to package a wide variety of consumer products including granular detergents. In order to be useful as a package these bags must be resistant to opening during sipping and handling at the store. It is also advantageous if the package can be securely reclosable after opening by the consumer and provide protection from product leakage. The ability to re-close the bag is desired by many consumers. This is especially true for bulk size packages.
- Recloseeble bags according to the preamble of claim 1 are disclosed in EP1409366 . However, it has been found that in some instances methods for re-closing such bags have not been completely satisfactory and the reclosing mean can fail. The present inventor has found that this may be due to contamination of the re-closing means with the contents of the bag, preventing the means from forming a reliable, re-usable seal.
- the present invention meets the aforementioned needs by providing a reclosable packaging according to claim 1.
- the product comprises less than 10% by weight of particles having a geometric mean particle diameter of at most 300 micrometers.
- the product is a detergent composition.
- FIG. 1 A particularly preferred bag 10 made in accordance with the present invention is illustrated in Figures 1 and 2 .
- the bag 10 is illustrated having front panel 12, back panel 14, and side panels 16 and 18 with each panel having an upper edge 20 and a lower edge 22.
- the bag 10 also has a top section 24 and a bottom section 26, which are sealed by joining front panel 12 to back panel 14 along upper edges 20 and lower edges 22.
- the bag 10 is provided with a line of weakness 28 in each of the front, back and side panels 12, 14, 16, 18.
- Figure 3 illustrates the bag after the top section 24 has been completely removed, and shows the reclosing means 32.
- the bags of the present invention are flexible and may be formed from materials including but not limited to polymeric film, woven materials, non-woven materials, preferably polyethylene film, more preferably monolayers, coextrusions, two-layer laminations, three-layer laminations and metalized laminations, all materials with or without lacquer coatings. Bags according to the present invention can be formed by any method known in the art. One method for forming flexible bags from a continuous web of material is well known in the art and described in U.S. Pat. No. 5,054,619 , issued to Muckenfuhs.
- a continuous web of material 30 shown in Figure 4 is transported in the machine direction, MD, and is provided with a line of weakness 28 across substantially the whole width of the web 30 substantially in the cross-machine direction, CMD, and reclosing means 32 are affixed adjacent to the line of weakness 28 substantially in the cross-machine direction, CMD.
- the reclosing means 32 shown in Figure 4 comprises one strip of loops 34 and two strips of hooks 36.
- the bag may be provided via a process as disclosed in patent application EP 1409366 .
- the main objective of the reclosing means is to protect granular detergents contained in bags from spillage, humidity, and other external factors that might affect the integrity of the product.
- This re-closing means comprises a mechanical hook and loop or hook and hook type fastener, attached to a flexible bag that allows consumers to open and securely close the bags as many times as product uses in the bag.
- the means may consist of placing fastening materials on opposite panels of the bag.
- the panels are the front and back panel although other configurations are contemplated.
- the fasteners can be either disposable or industrial materials. It is desired to use disposable materials 10 optimize costs.
- the particular configuration of the re-closing means components should be such that the bag can be sealed throughout the entire use of the product contained therein. By sealed is meant that no product spills out when the bag is tipped on its side.
- the re-closing means is characterized by the energy required to peel off one component of the fastener from the other component. This energy preferably should not be less than 2.4Kgfmm per each Kg of product contained in the bag.
- At least one piece of the mechanical fastener may be placed on one panel of the bag while a piece of the matching fastener may be placed on an opposite panel of the bag.
- one piece of the mechanical fastener is a horizontal strip adhered to the inside of the bag. Most preferably two interacting horizontal strips are adhered to the insides of the bag.
- the adhesive can be either a hot melt or pressure sensitive adhesive.
- a hot melt adhesive is applied to the mechanical fastener right before the piece is to be applied to the bag.
- the pressure sensitive adhesive is adhered to the fastener as one piece.
- these mechanical fasteners can be accomplished in different ways.
- One way is to adhere these fasteners to the film before the bag is produced
- the pieces of mechanical fasteners are attached to the film either while the web of film is being prepared or while the web of film is being unwound from a roll at the machine.
- the bags may be preformed, and the mechanical fasteners may be adhered to the bag after it has been so formed.
- the mechanical fastener comprises hooks and loops which are adhered to the flat film.
- Most preferably one strip of loops and two strips of hooks or one strip of hooks and two strips of loops are applied onto the flat film, in particular, on a part adjacent to the top part of the bag. This allows the closing means to be kept out of the bag length seal while positioning the reclosing means substantially completely around the bag opening to allow the consumer to completely close the bag. This provides significant advantage in terms of roll stability prior to converting the film into a bag if the application process of the reclosing means is separate from the bag forming process, and carried out on different machines.
- the book-like fastening elements have a height of 1.3 to 3.8 mm.
- the loop-like fastening elements may a height of 1.5 to 4 mm and/or are larger by 02 to 2.0 mm than the height of said book-like fastening elements.
- the hook-like fastening elements and lopp-like fastening elements may be provided in a density of 40 to 120 pieces/cm 2 . generally of 60 to 90 pieces/cm 2 .
- the monofilament generally has a diameter of 0.1 to 0.4 mm, or of 0.14 to 0.25 mm.
- multifilament yarns consisting of single filaments having a diameter of 20 to 100 ⁇ m, or of 35 to 95 ⁇ m. Such multifilament yarns combine 2 to 50 single filaments, or of 3 to 30 single filaments.
- the above monofilements and multifilament yarns used for forming hook-like fastening elements and loop-like fastening elements, respectively, comprise synthetic fibers or metal fibers,
- fibers of thermoplastic resin such as polyamide, polyester, polypropylene and polyethylene are used.
- polyester is preferred since it exhibits high engaging strength and has high dimensional stability.
- Thermoplastic resins such as polyamide and polypropylene are also used for preparing plastic projections with a swollen head which constitute hook-tike fastening elements.
- the synthetic resin constituting it may generally constitute also a multifilament yam used for preparing loop-like fastening elements.
- Synthetic fibers comprising different resins may however be used separately for hook-like fastening elements and loop-like fastening elements.
- the resin used for book-like fastening elements preferably has a higher Young's modulus than that used for loop-like fastening elements.
- synthetic fiber comprising polyester can be used for hook-like fastening elements when synthetic fiber comprising polyamide is used for loop-like fastening elements.
- the loop materials have a basis weight of less than 40 grams per square metre or even less than 30 gsm.
- the basis weight of the hook material is less than 200 gsrn.
- loop materials such N29 supplied by Aplix, France have been found to be particularly effective.
- low basis weight extruded polypropylene hooks such Aplix 963 supplied by Aplix, France are preferred.
- the granular detergent product of the invention comprises particles, less than 10% by weight of particles having a geometric mean particle diameter of not greater than 150 micrometers.
- the word "particles” means the entire size range of the product or the entire size range of discrete particles, agglomerates, or granules in the product. It specifically does not refer to a size fraction (i.e., representing less than 100% of the entire size range) of any of these types of particles unless the size fraction represents 100% of a discrete particle in an admixture of particles.
- the entire size range of discrete particles of that type have the same or substantially similar composition regardless of whether the particles are in contact with other particles.
- the agglomerates themselves are considered as discrete particles and each discrete particle may be comprised of a composite of smaller primary particles and binder compositions.
- geometric mean particle diameter means the geometric mass median diameter of a set of discrete particles as measured by any standard mass-based particle size measurement technique, preferably by dry sieving.
- the granular product may comprise from 0 to 5%, in particular from 0.1 to 3%, for example from 0.2 to 2% or even at from 1% by weight of undersized particles.
- Undersized particles are particles having a geometric mean particle diameter of from 0 to 150 micrometers, in particular from 0 to 300 micrometers, for example from 0 to 500 micrometers.
- the granular product may comprise less than 10%, for example from 0 to 5%, in particular from 0.1 to 3%, for example from 0.2 to 2% or even at from 1% by weight of particles having a geometric mean particle diameter of at most d -1/2 /10 cm, in particular of at most d -1/2 /5 cm, or even of at most d -1/2 /3 cm, for example of at most d -1/2 cm, with d being the average density of hooks and/or loops on a surface of mechanical fastener.
- the granular product may comprise less than 10%, for example from 0 to 5%, in particular from 0.1 to 3%, for example from 0.2 to 2%, or even at most 1%, by weight of particles having a geometric mean particle diameter of at most Q 1/2 /5 cm, in particular of from 0 to Q 1/2 /2 cm, or even of at most Q 1/2 cm, with Q being the average surface area defined by the inside of the loop.
- the geometric mean particle diameter of the particles is from 500 microns to 1500 microns, in particular from 600 microns to 1200 microns, and for example from 600 microns to 1000 microns. At least 50%, in particular at least 75%, or even at least 90%, and in particular at least 95%, by weight of the total particles in the product, have the selected mean particle size diameter. In this way, a substantial portion of the granular detergent product will have the uniform size so as to provide an aesthetic appearance desired by consumers.
- the particle size distribution is defined by a relatively tight geometric standard deviation or "span” so as not to have too many particles outside of the target size. Accordingly, the geometric standard deviation is for example from 1 to 2, or from 1.0 to 1.7, or even from 1.0 to 1.4, and in particular from 1.0 to 1.2.
- the phrase "geometric standard deviation" or “span” of a particle size distribution means the geometric breadth of the best-fitted log-normal function to the above-mentioned particle size data which can be accomplished by the ratio of the diameter of the 84.13 percentile divided by the diameter of the 50 th percentile of the cumulative distribution (D 84.13 /D 50 ); See Gotoh et al, Powder Technology Handbook, pp. 6-11, Marcel Dekker 1997 .
- the bulk density of the particles is for example in the range of from 400 g/l to 850g/l, or from 550 g/l to 800 g/l or even from 600 g/l to 750 g/l.
- the control of improperly sized particles via the present invention contributes to the tight span of the composition produced by the present invention.
- the term "bulk density" refers to the uncompressed, untapped powder bulk density, as measured by pouring an excess of powder sample through a funnel into a smooth metal vessel (e.g., a 500 ml volume cylinder), scraping off the excess from the heap above the rim of the vessel, measuring the remaining mass of powder and dividing the mass by the volume of the vessel.
- Shape of the individual particles can be measured in a number of different ways known to those of ordinary skill in the art.
- One such method is using optical microscopy with Optimus (V5.0) image analysis software.
- “Circularity” is defined as (measured perimeter length of the particle image) 2 /(measured area of the particle image). The circularity of a perfectly smooth sphere (minimum circularity) is 12.57; and "Aspect Ratio" which is defined as the length/width of the particle image.
- the granular compositions of the invention may have an average circularities of at most 50, in particular from 12.57 10 30, for example at most 23, or even at most 18. Also possible are granular compositions with particles with an average aspect ratios of at most 2, in particular at most 1.5, or at most 1.3, or from 0.2 to 1.2.
- the granular product is a detergent composition and may comprise surfactant(s).
- the product may further comprise builders, bleaches, bleach activators, suds boosters or suds suppressors, antitamish and anticorrosion agents, soil suspending agents, soil release agents, germicides, pH adjusting agents, non-builder alkalinity sources, chelating agents, smectite clays, enzymes, enzyme-stabilizing agents and perfumes.
- Suitable detergent composition are exemplified in EP 1776442 .
- the granular product of this invention can be made by any particulation or granulation process.
- An example of such a process is spray drying (in a co-current or counter current spray drying tower) which typically gives low bulk densities of 600g/l or lower.
- Particulate materials of higher bulk density can be prepared by a continuous granulation and densification process (e.g. using Lodige ⁇ ® CB and/or Lodige ⁇ ® KM mixers).
- Other suitable processes include fluid bed processes, compaction processes (e.g. roll compaction), extrusion and spheronization, as well as any particulate material made by any chemical process like flocculation, crystallisation sentering.
- the granular product may be composed by from 20 to 100% for example from 50 to 90 %, or from 60 to 80% of spray dryed powder and from 0 to 80%, for example fron 10 to 50% or even from 20 to 40% of added powder.
- Granulation processes are well known in the detergent art. Some non-limiting examples include the process as described in U.S Patent Nos. 5,489,392 . 5,516,448 to Capeci et al.
- the product of the invention may be processed in a fluidized bed granulator with selected recycle of the improperly sized particles.
- the present invention meets the aforementioned needs by controlling the size of the particles within the process to a greater extent than current detergent manufacturing processes. Via the present invention the amount of undersized particles or fines present in a detergent composition may be reduced via the use of fluidized bed granulation.
- the process may comprise various alternative scenarios such as re-introduction to any combination of the fluid bed or when present, to a premixer or finishing step.
- Undersized particles may be removed from the fluidized bed and re-introduced to the process such as to the premixer or fluidized bed or may be re-circulated within the fluid bed via the use of an internally recycling fluidized bed.
- undersized particles are controlled via the use of an internally recirculating fluidized bed wherein undersized particles are captured before exiting the fluidized bed and remain within the bed until agglomerated to acceptable sizes.
- Oversized or large particles may also exist wherein "large particles" are defined as particles that have a geometric mean particle diameter that is greater than 1.65 standard deviations above the chosen geometric mean particle diameter of the granular detergent composition at a given span or geometric standard deviation
- the detergent agglomerates may be sized to separate oversized particles from detergent agglomerates in the desired range.
- the oversized particles may be sized according to conventionally known technology such as via screening.
- the oversized particles are then re-introduced into the process at appropriate locations in order to achieve the more uniform detergent composition as disclosed herein.
- the control of these oversized particles leads to better overall properties of the composition such as particle density and span as described herein which contribute to the overall superiority of the detergent composition.
- the oversized particles may be optionally milled or ground before re-introduction to the process.
- the milling or grinding may be preformed in conventional grinding equipment as is well known in the art of detergent processing.
- the oversized particles may be re-introduced to the process to any desired stage suitable for control of the process such as the fluid bed, the pre-mixer or series of pre-mixers or the finishing step, when present.
- the processes of this invention may comprise the step of spraying an additional binder material as hereinbefore described in the pre-mixer or series of pre-mixers in order to enhance granulation of the various materials in the feed stream.
- the liquid binder material may be added for purposes of enhancing granulation by providing a "binding" or "sticking" agent for the components such as undersized particles.
- the binder is preferably selected from the group consisting of water, anionic surfactants and their precursors, nonionic surfactants, polyethylene glycol, polyvinyl pyrrolidone, polyacrylates, citric acid and mixtures thereof.
- Other suitable binder materials including those listed herein are described in Beerse et al, U.S. Patent No. 5,108.646 (Procter & Gamble Co.).
- the process may additionally include a finishing step including but not limited to, admix and/or spray-on of additional ingredients such as enzymes, bleach perfumes, etc or a packaging step.
- a finishing step including but not limited to, admix and/or spray-on of additional ingredients such as enzymes, bleach perfumes, etc or a packaging step.
- the particles of this invention may be further processed in an optional step by adding a coating agent to improve the particle color, increase the particle "whiteness", or improve the particle flowability after the particles exit the mixer or the dryer to obtain the granular detergent composition produced by the present invention.
- Coating agents herein may include dry inorganic materials such as zeolites, carbonates, sulfates etc.
- the coating process may include the spray of a liquid coating agents such as anionic surfactant, slurries or solutions of inorganic or organic salts, and various other materials.
- a liquid coating agents such as anionic surfactant, slurries or solutions of inorganic or organic salts, and various other materials.
- Another optional processing step includes continuously adding a coating agent such as zeolites and fumed silica to the mixer to facilitate free flowability of the resulting detergent particles and to prevent over granulation.
- a coating agent such as zeolites and fumed silica
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Detergent Compositions (AREA)
- Cartons (AREA)
- Bag Frames (AREA)
Claims (2)
- Conditionnement refermable comprenant :- un sac (10) comprenant un moyen de refermeture (32) dans lequel le moyen de refermeture (32) comprend un fermoir mécanique, le fermoir mécanique comprenant des crochets et/ou boucles fonctionnant ensemble, le sac comprenant en outre un produit détergent granulaire, caractérisé en ce que :- le produit détergent granulaire comprend au moins 50 % en poids des particules totales dans le produit ayant un diamètre moyen géométrique de particules allant de 500 microns à 1500 microns et moins de 10 % en poids de particules ayant un diamètre moyen géométrique de particules d'au plus 150 micromètres, et dans lequel la densité moyenne d des crochets et/ou boucles sur une surface du fermoir mécanique est de 40 à 120 crochets et/ou boucles par centimètre carré, et dans lequel les crochets ont une hauteur de 1,3 à 3,8 mm, et les boucles ont une hauteur de 1,5 à 4 mm et/ou sont plus grandes de 0,2 à 2,0 mm que la hauteur desdits crochets.
- Conditionnement selon la revendication 1, dans lequel le produit comprend moins de 10 % en poids de particules ayant un diamètre moyen géométrique de particules d'au plus 300 micromètres.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07122433.1A EP2067710B1 (fr) | 2007-12-05 | 2007-12-05 | Sac refermable |
US12/276,600 US20090148081A1 (en) | 2007-12-05 | 2008-11-24 | Recloseable Bag |
MX2010006160A MX2010006160A (es) | 2007-12-05 | 2008-12-03 | Bolsa resellable. |
RU2010121722/12A RU2010121722A (ru) | 2007-12-05 | 2008-12-03 | Пакет с возможностью повторного закрывания |
BRPI0820017-3A BRPI0820017A2 (pt) | 2007-12-05 | 2008-12-03 | Bolsa com meio de fechamento |
PCT/IB2008/055073 WO2009072068A1 (fr) | 2007-12-05 | 2008-12-03 | Sac refermable |
CN2008801188735A CN101883724B (zh) | 2007-12-05 | 2008-12-03 | 可重新闭合的袋 |
ZA2010/03958A ZA201003958B (en) | 2007-12-05 | 2010-06-03 | Recloseable bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07122433.1A EP2067710B1 (fr) | 2007-12-05 | 2007-12-05 | Sac refermable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2067710A1 EP2067710A1 (fr) | 2009-06-10 |
EP2067710B1 true EP2067710B1 (fr) | 2014-03-26 |
Family
ID=39064598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07122433.1A Active EP2067710B1 (fr) | 2007-12-05 | 2007-12-05 | Sac refermable |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090148081A1 (fr) |
EP (1) | EP2067710B1 (fr) |
CN (1) | CN101883724B (fr) |
BR (1) | BRPI0820017A2 (fr) |
MX (1) | MX2010006160A (fr) |
RU (1) | RU2010121722A (fr) |
WO (1) | WO2009072068A1 (fr) |
ZA (1) | ZA201003958B (fr) |
Families Citing this family (28)
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US8360642B2 (en) * | 2007-07-05 | 2013-01-29 | Jianyi Sun | Super air permeability and reinforced seams of peanuts bag (APC BAG-SBA) |
US7681732B2 (en) | 2008-01-11 | 2010-03-23 | Cryovac, Inc. | Laminated lidstock |
US8646975B2 (en) * | 2009-08-14 | 2014-02-11 | Cryovac, Inc. | Easy open and reclosable package with discrete tape and die-cut web |
US9221591B2 (en) * | 2009-08-14 | 2015-12-29 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate with die-cut |
US8622618B2 (en) * | 2009-08-14 | 2014-01-07 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate having panel section with easy-open sealant |
WO2011130022A1 (fr) * | 2010-04-12 | 2011-10-20 | Velcro Industries B.V. | Sac refermable |
US20140069061A1 (en) * | 2010-04-29 | 2014-03-13 | Illinois Tool Works Inc. | Full mouth opening flow wrapper package |
US20120109202A1 (en) * | 2010-04-30 | 2012-05-03 | Neuraxis Llc | Intersegmental motion preservation system for use in the spine and methods for use thereof |
WO2012047896A2 (fr) * | 2010-10-04 | 2012-04-12 | Exopack Llc | Sac à pleine ouverture pouvant être refermé muni de crochet et fermeture à crochet et procédés associés |
US9487333B2 (en) | 2010-10-04 | 2016-11-08 | Coveris Flexibles Us Llc | Packaging for steaming and related methods |
US8979370B2 (en) | 2011-01-28 | 2015-03-17 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate with die-cut |
ITMI20111138A1 (it) * | 2011-06-23 | 2012-12-24 | Masterpack S P A | Nastro di pellicola termosaldabile per confezionamento di prodotti in sacchetti richiudibili dopo apertura |
US10562689B2 (en) | 2012-02-13 | 2020-02-18 | Polytex Fibers Corporation | Woven plastic bags with features that reduce leakage, breakage and infestations |
US8727621B2 (en) * | 2012-02-13 | 2014-05-20 | Cryovac, Inc. | Easy open and reclosable package with die-cut web and reclosure mechanism |
US9845184B2 (en) | 2012-02-13 | 2017-12-19 | Polytex Fibers Corporation | Easy open plastic bags |
US10661963B2 (en) | 2014-04-04 | 2020-05-26 | Polytex Fibers Corporation | Peelable easy open plastic bags |
US9969529B2 (en) | 2012-02-13 | 2018-05-15 | Polytex Fibers Corporation | Easy open plastic bags |
US11459157B2 (en) * | 2012-02-13 | 2022-10-04 | Polytex Fibers Llc | Woven plastic bags with features that reduce leakage, breakage and infestations |
US9669981B2 (en) * | 2012-02-13 | 2017-06-06 | Polytex Fibers Corporation | Easy open plastic bags |
WO2014059283A1 (fr) | 2012-10-12 | 2014-04-17 | Polytex Fibers Corporation | Sac polymère à éléments d' accès facile reliés au sac sans adhésifs |
EP3434617B1 (fr) | 2013-01-22 | 2021-03-24 | Polytex Fibers Corporation | Sac en plastique tissé à accès facile |
US11305927B2 (en) | 2014-04-04 | 2022-04-19 | Polytex Fibers Llc | Easy open plastic bags |
WO2015154014A1 (fr) | 2014-04-04 | 2015-10-08 | Polytex Fibers Corporation | Sacs plastique tissés dotés de caractéristiques permettant la réduction de toute fuite, rupture et infestation |
US20220135305A1 (en) * | 2014-04-04 | 2022-05-05 | Polytex Fibers Llc | Woven plastic bags with features that reduce leakage, breakage and infestations |
US11472622B2 (en) * | 2014-04-04 | 2022-10-18 | Polytex Fibers Llc | Woven plastic bags with features that reduce leakage, breakage, and infestations |
US9586724B2 (en) | 2014-06-10 | 2017-03-07 | Cryovac, Inc. | Easy open and reclosable gusseted package with die-cut web and reclosure mechanism |
US20180043070A1 (en) * | 2016-08-11 | 2018-02-15 | Target Brands, Inc. | Breast milk collection system with bag attachment |
US10538888B2 (en) * | 2016-08-30 | 2020-01-21 | Daniel Tesler | Water soluble collection bag and method of use |
Citations (1)
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US3104798A (en) * | 1963-09-24 | stone |
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US5054619A (en) | 1989-12-15 | 1991-10-08 | The Procter & Gamble Company | Side opening flexible bag with longitudinally oriented carrying handle secured to side panels |
US5108646A (en) | 1990-10-26 | 1992-04-28 | The Procter & Gamble Company | Process for agglomerating aluminosilicate or layered silicate detergent builders |
US5531325A (en) * | 1992-03-13 | 1996-07-02 | The Procter & Gamble Company | Storing and dispensing system for products packed in a sealed pouch |
US5172980A (en) * | 1992-05-19 | 1992-12-22 | Velcro Industries, B.V. | Reclosable bag having hook and loop sealing strips |
JP2579290Y2 (ja) * | 1992-07-31 | 1998-08-20 | ワイケイケイ株式会社 | 面ファスナー |
US5516448A (en) | 1994-09-20 | 1996-05-14 | The Procter & Gamble Company | Process for making a high density detergent composition which includes selected recycle streams for improved agglomerate |
US5489392A (en) | 1994-09-20 | 1996-02-06 | The Procter & Gamble Company | Process for making a high density detergent composition in a single mixer/densifier with selected recycle streams for improved agglomerate properties |
US6041930A (en) * | 1995-08-04 | 2000-03-28 | Thornton Trustee Company Ltd. | Breakable sachet |
EP0905043A1 (fr) * | 1997-09-27 | 1999-03-31 | The Procter & Gamble Company | Sachet contenant une quantité de produit supérieure à la normale et son procédé de fabrication |
US6906022B1 (en) * | 1998-09-25 | 2005-06-14 | The Procter & Gamble Company | Granular detergent compositions having homogenous particles and process for producing same |
US6991375B2 (en) * | 1998-11-06 | 2006-01-31 | Velcro Industries B.V. | Reclosable packaging |
US6202260B1 (en) * | 1998-11-06 | 2001-03-20 | Velcro Industries B.V. | Touch fasteners their manufacture and products incorporating them |
DE19859043A1 (de) * | 1998-12-21 | 2000-06-29 | Convenience Food Sys Bv | Wiederverschließbare Kunststoffverpackung mit einem Klettverschluß |
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WO2000078907A1 (fr) | 1999-06-21 | 2000-12-28 | The Procter & Gamble Company | Procede de fabrication de detergent granulaire dans un granulateur a lit fluidise dote d'un recyclage pour particules de tailles irregulieres |
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JP2004522659A (ja) * | 2001-03-15 | 2004-07-29 | ベルクロ インダストリーズ ビー ヴィッ | 拡張ガセット付き再閉可能バッグ |
DE20106175U1 (de) * | 2001-04-07 | 2002-08-14 | Bischof und Klein GmbH & Co. KG, 49525 Lengerich | Seitenfaltenbeutel oder -sack aus flexiblem schweißbarem Material |
WO2002090479A1 (fr) * | 2001-05-04 | 2002-11-14 | The Procter & Gamble Company | Particules parfumees et produits qui les contiennent |
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CN101001941B (zh) | 2004-08-11 | 2012-03-21 | 宝洁公司 | 在溶于水后可形成澄清洗涤液体的高水溶性固体衣物洗涤剂组合物 |
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EP2067847B1 (fr) * | 2007-12-05 | 2012-03-21 | The Procter & Gamble Company | Emballage comportant un détergent |
-
2007
- 2007-12-05 EP EP07122433.1A patent/EP2067710B1/fr active Active
-
2008
- 2008-11-24 US US12/276,600 patent/US20090148081A1/en not_active Abandoned
- 2008-12-03 WO PCT/IB2008/055073 patent/WO2009072068A1/fr active Application Filing
- 2008-12-03 RU RU2010121722/12A patent/RU2010121722A/ru unknown
- 2008-12-03 MX MX2010006160A patent/MX2010006160A/es active IP Right Grant
- 2008-12-03 BR BRPI0820017-3A patent/BRPI0820017A2/pt not_active Application Discontinuation
- 2008-12-03 CN CN2008801188735A patent/CN101883724B/zh active Active
-
2010
- 2010-06-03 ZA ZA2010/03958A patent/ZA201003958B/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3104798A (en) * | 1963-09-24 | stone |
Also Published As
Publication number | Publication date |
---|---|
EP2067710A1 (fr) | 2009-06-10 |
BRPI0820017A2 (pt) | 2015-05-19 |
ZA201003958B (en) | 2011-02-23 |
MX2010006160A (es) | 2010-06-25 |
WO2009072068A1 (fr) | 2009-06-11 |
US20090148081A1 (en) | 2009-06-11 |
RU2010121722A (ru) | 2012-01-10 |
CN101883724B (zh) | 2012-07-11 |
CN101883724A (zh) | 2010-11-10 |
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