WO2015105410A1 - Dosette à maintien de forme à utiliser dans une machine à café - Google Patents

Dosette à maintien de forme à utiliser dans une machine à café Download PDF

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Publication number
WO2015105410A1
WO2015105410A1 PCT/NL2014/050913 NL2014050913W WO2015105410A1 WO 2015105410 A1 WO2015105410 A1 WO 2015105410A1 NL 2014050913 W NL2014050913 W NL 2014050913W WO 2015105410 A1 WO2015105410 A1 WO 2015105410A1
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WO
WIPO (PCT)
Prior art keywords
sheet
pad
fluid
beverage
holder
Prior art date
Application number
PCT/NL2014/050913
Other languages
English (en)
Inventor
Niels Van Marle
Original Assignee
Koninklijke Douwe Egberts B.V.
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 Koninklijke Douwe Egberts B.V. filed Critical Koninklijke Douwe Egberts B.V.
Publication of WO2015105410A1 publication Critical patent/WO2015105410A1/fr

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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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material
    • 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
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0668—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines specially adapted for cartridges

Definitions

  • the invention relates to a form retaining pad for use i a coffee - maker for preparing I or 2 cups of beverage, provided with an envelope with an inner space which is filled with a beverage preparation product for preparing the beverage, wherein the beverage preparation product comprises product to be extracted with a fluid and/or possibly a product soluble in a fluid, wherein the envelope is formed by a first disc-shaped sheet and a second disc-shaped shee which are interconnected adjacent their
  • the invention further relates to a method for manufacturing such a pad.
  • the invention furthermore relates to a system provided with a coffee-maker and such a pad, wherein the coffee-maker is provided with a holder for receiving the pad, a cover for closing off the. holder, and fluid means for generating a fluid flow under pressure, wherein the holder is provided with at least one beverage outflow opening and the cover is provided with at least one fluid inflo opening which are in fluid
  • the invention relates to the use of such a pad and a method for preparing a beverage with the pad.
  • a pad, suc a system and such a use and method are known per se from EP 0 904 717 Al.
  • the beverage preparation product consists of ground coffee
  • the first sheet and the second sheet are each made of filtering material and especially of a filtering paper. The invention contemplates the provision of an improved pad.
  • the pad is arranged in such a wa that, in use, water is supplied, under pressure, via the first sheet to the pad so that the fluid is pressed through the pad for obtaining the beverage which thereupon leaves the pad, characterized in that the first sheet is of form- retaining design
  • the invention is based on the insight that the known d, when it has been placed in a holder of the coffee-maker by a user, may sometimes be slightl deformed. This can happen because the known pad is of flexible and supple design and. for instance, may be taken from its package in slightly deformed condition.
  • bypass means that the fluid being supplied under pressure to the first sheet of the pad will flow in part around the pad to a beverage outflow opening which is provided in a bottom of the holder on which the pad rests. All this has as a consequence that not the complete amount of fluid being supplied to the first sheet of the pad will flow to the beverage outflow opening of the holder via the pad, A consequence is that the beverage which is received in s for example, a cup, is diluted with the fluid.
  • the invention contemplates facilitating the use of a pad.
  • the first sheet is of form -retaining design, the pad can be placed in the holder without relevant deformation which increases the risk of bypass.
  • a distribution of the beverage preparation product in the envelope of the pad varies little from one pad to another. This in turn has as an advantage that upon forcing the fluid through the pad a beverage is obtained whose properties are well- defined in advance.
  • an anti-drip effect occurs. That is, directly after use the pad can be taken from a machine while the chance that drops fall off the pad has been reduced.
  • the first sheet is of a flat design, wherein the second sheet ha a 3-D formed and especially a bowl-shaped design.
  • the first-sheet is preferably made in such a way that it provides rigidity to the pad, preferably acting as a "carrier s -sheet for the second sheet and the beverage production product included.
  • the second sheet is attached to the first sheet in such a way that the first sheet provides the fprm ⁇ retaining ability, traversing forces impacted by the beverage preparation product, the second sheet, handling operations, impacts during the beverage preparation process etc. in such a way that the form of the ad is retained.
  • the first sheet is preferably arranged to provide inflow of the fluid during the beverage preparation process. Further it is preferably arranged providing a barrier for the beverage preparation product inside of the envelope and especially for the fines of the beverage preparation product. It can be preferably be made from a single layer material o from a multiple layer material comprising barrier portions, for providing a barrier as mentioned above and fluid portions for letting fluid pass. It could preferably be made from basically flat cartoon, paper o plastic or mixtures of the same. It could preferably be made of a non-woven material and preferably be arranged, compared to the thickness of a normal filtering paper, in a thick layer. Preferably it has small opening and fluid portion respectively to let fluid pass and preferably fluid inlet portions to allow fluid enterin the pad.
  • the fluid portions are preferably shaped in such a way that they provide a barrier for the beverage preparation product and especially its fines.
  • Possible is a combination of a stiff material with fluid portions to allow the fluid passing through and a filter to provide a barrier for the beverage preparation product and especially its fines.
  • the first sheet also remains form-retaining when a fluid such as the beverage is flowing through it, while the fluid can have a temperature of a most 80 degrees Celsius, more particularly at most 90 degrees Celsius, and preferably at most 99 degrees Celsius.
  • a fluid such as the beverage is flowing through it
  • the fluid can have a temperature of a most 80 degrees Celsius, more particularly at most 90 degrees Celsius, and preferably at most 99 degrees Celsius.
  • the pad can more easily be removed from the holder by the user in that the use has a better grip of the ⁇ pad.
  • the first sheet is m de of a thermoplastic material.
  • thermoplastic material is a material that becomes more plastic as the temperature rises. Preferably, it holds then that the first sheet also remains form-retaining when it comes into contact with a. fluid having a temperature of 80 degrees Celsius, more particularly of 90 degrees Celsius and preferably of 99 degrees. Celsius.
  • the first sheet is made of a nonwoven material
  • the nonwoven material consists of a plastic for at least 50 percent by weight, for at least 70 percent by weight, while in particular the plastic consists of plastic fibers and/or plastic filaments.
  • the nonwoven material consists of a plastic for at least 50 percent by weight, while in particular the plastic consists of plastic fibers and/or plastic filaments.
  • the nonwoven material consists of a plastic for at least 60, more particularly for at least 70 percent by. weight, while in particular the plastic consists of plastic fibers and/or plastic filaments.
  • the woven material consists of a plastic for at. least 60 percent b weight, while in particular the plastic consists of plastic fibers and/or plastic filaments.
  • the nonwoven material consists of a plastic for at least 70 percent by weight, preferably for at least 80 percent by weight, and more preferabl for at least 90 percent by weight.
  • the woven material can here be present in a form of fibers and/or in a form of filaments. It is howeve also possible that the first sheet is made of a woven material, and preferably having the compounds of the non woven material mentioned before. Preferably the thickness of the sheet then is however adapted and especially reduced to provide form -retaining abilities.
  • the first sheet consists of a plastic for 50- 100 percent by weight, more particularly for 70-100 percent by weight.
  • the first sheet consists of a plastic for 50-100 percent by weight.
  • the plastic consists of plastic fibers and/or plastic filaments,
  • the first shee consists of a plastic for 60-100 percent by weight. On balance it holds therefore that more
  • the first sheet preferably consists of a plastic for 60-100 percent by weight.
  • the plastic consists of plastic fibers and/or plastic filaments.
  • the first sheet consists of a plastic for 70-100 percent by weight , in particular consists of plastic for 75-95 percent by weight and more in particular consists of plastic for 80-95 percent by weight.
  • the plastic consists of plastic fibers and/or plastic filaments.
  • the plastic can consist, for example, of polymers which comprise PE, PET, PETP, coPET, LLDPE, CPP, PLA and/or ' PP.
  • the plastic is present in the nonwoven material in the form of, fo instance, plastic fibers and/or plastic filaments.
  • the first sheet is furthermore provided with cellulose fibers and/or cellulose filaments.
  • the first sheet consists of the .above-mentioned plastic fibers and/or plastic filaments and the cellulose fibers and or cellulose filaments.
  • the nonwoven material can thus consist of a combination of plastic fibers and/or plastic filaments and cellulose fibers and/or cellulose filaments.
  • the cellulose fibers are covered with a plastic coating.
  • the density of the first sheet is in the range of 100-500 g/m2, preferably 200-400 g/m2 and more preferably 275-325 g/ni2. At these densities, the form retention concerned can be realized well.
  • the first sheet is made of a polyester fiber, in particular of a generic brand material especially Sm sTM material
  • the first sheet is made of Polylactic Acid (PLA) fibers.
  • PLA Polylactic Acid
  • the first sheet is made of 100% Polylactic Acid (PLA) fibers and possibly derivatives. Owing to this, the first sheet is at least substantially comple tely biodegradable after use.
  • form retention can for instance be defined as follows. The form retention of the first sheet, according to a test is expressed in a force, measured during the test, that is exerted on the first sheet, while the test s carried out on the first sheet as such, that is, on the d without the second sheet and the beverage preparation product but with
  • the first sheet as such that is, the pad without the second sheet and the beverage preparation product, is laid on a horizontal surface, such that the first sheet is supported by its longitudinal edge on the horizontal surface, the horizontal surface provided with an elongated groove having width of 30 mm and the first sheet, symmetrically with respect to the groove, overlying the groove and supported on opposite sides of the groove on the horizontal surface, while i carrying out the test use is made of a knife having length corresponding to th diameter of the pad, a cutting face of the knife having a thickness of 3 mm and a lengt directio of the cutting face extending in horizontal direction in a length direction of the groove, wherein for testing, the knife from position above the pad is moved down in vertica direction with a constant speed of 100 mm/minute, a center of the cutting face situated, viewed in vertical direction, above a center of gravity of the first sheet, and wherein from the moment that the knife touches the first sheet the
  • the highest resistance measured according to the test that is, the highest measured force in Newton, is in the range of 0.2-4 ' Newton, and/or the highest measured force in the test is greater than 1 Newton.
  • the thickness of a sheet is defined according to NEN-EM-ISO 53-2011.
  • the thickness of the first sheet is in the range of 50-500 micrometer ( ⁇ ), preferably in the range of 100-500 micrometer, preferably in the range of 110-350 micrometer, more preferably i the range of 150-300 micrometer.
  • ⁇ 50-500 micrometer
  • the first sheet is not too heavy and on the other hand also that the first sheet is well permeable to the fluid.
  • a pressure drop across the beverage preparation product is greater than a pressure drop across the first sheet, in particular 10 times greater, more particularly 20 times greater.
  • the thickness of the second sheet can be, for example, 1,4-1.0 times smaller than the thickness of the first sheet.
  • the second sheet is of flexible design.
  • the second sheet may he made of filtering material and especially of a filtering paper known per se.
  • the second sheet is provided with at least 70% of cellulose fibers and/or cellulose filaments, more preferably wit at least 80% of cellulose fibers and/or cellulose filaments, still more preferably with at least 90% of cellulose fibers and/or cellulose filaments, while possibly for the rest the second sheet is made of plastic polymer of a kind as mentioned above, in particular in the form o plastic fibers and/or plastic ⁇ filaments.
  • the second sheet preferably
  • the second sheet comprises less than 30 percent of plastic polymers.
  • the second sheet may also be made from PLA for 100%, Also, the second sheet can consist of PLA and paper, for example, 25% PLA and 75% paper. These polymers may be of a same kind as has been discussed for the first sheet. It is also possible, however, that the second sheet is of form-retaining design and is preferably made of a different material than the first sheet and preferably comprising similar components with different measures and amounts.
  • the first sheet and the second sheet are manufactured from a different sheets and/material, wherein preferably the second sheet is arranged in such a wa that it can be heat treated for obtaining, .a form -retaining ability . If the first sheet and the second sheet have undergone a heat treatment for making the sheet form- retaining, in thai ease, preferably, the heat treatment process will be similar, so that the first sheet and the second sheet have the similar properties. However it also holds that the first sheet primarily provides the form -retaining ability for the pad, wherein the second sheet is of flexible design.
  • the part of the second sheet that is situated within the contours of the sealing seam is of dish-shaped design, while, in particular, the first sheet is of fiat design. This has as an
  • the coffee pad is self-locating whe it is placed in a holde having a shape corresponding to the pad. The intention is then for the second sheet to come to rest on the bottom of such a holder.
  • the part of the first sheet that is situated within the contours of the sealing seam is also of dish-shaped design and especiall similar or identical to the design of the second sheet.
  • the ad is provided as a symmetrical pad, wherein the first sheet and the second sheet haying princi lly the same shape.
  • the first sheet and the second sheet are made of different sheets. Preferably it”.
  • the first and/or the second sheet is shaped such that it is provided with at least one groove or a multiplicity of grooves especially to increase the form retention of the second sheet, at least one groove for instance extending i a radial direction and/or radial spiralling direction or similar windin radial direction of the pad and/or extending in a circle or similar path around an axis, in an especially coineentric patter or in a non coineentric pattern, all paths closed or open on themselves, and/or extending in a winding path or curved path and especially a helical or similar path and/or extending around an axial axis of the pad, for instance in the sealing seam or on the sheet inside an area enclosed by the sealing seam and preferably around an axis so that it is extending along said axis with a smaller diameter than the sealing seam.
  • This especially provides a form -retaining: or form-enforced sheet and therefore a form-retainin or form-enforced pad also without the applied enforcement layer.
  • the grooves can also provide fluid guiding means.
  • the before mentioned grooves can be recesses, projections, folds or similar elevations and/or recessions. They can extend in circles or similar pathes around an axis, in coineentric patterns or in non coineentric patterns.
  • the paths of extension can be closed or open o themselves, They can extend in winding paths or curved paths and especially helical or similar paths. It is possible to provide the grooves with uniform
  • the grooves are changing their groove depth, width, shape etc. It is especially possible that the grooves are increasing and/or decreasing along their major extension direction.
  • the system according to the invention is, to that end, provided with a coffee-make which is provided with a holder for receiving the pad, a cover for closing off the holder, and fluid means for generating a fluid, flow under pressure, wherein the holder is provided with at least one beverage outflow opening and the cover is provided with at least one fluid inflow opening which are in fluid communication with the fluid means for supplying the fluid Sow to the fluid openings so that the fluid is supplied under pressure to the Clear sheet of the pad so that the fluid s pressed through the pad for the preparation of the beverage in the pad, the beverage leaving the pad via the second sheet to proceed to leave the holder vi the at least one beverage outflow opening.
  • the holder is provided with a bowl- shaped inner space, which is bounded by the bottom and an upstanding sidewall of the holder, wherein the bottom consists of an outer horizontally directed ring-shaped bottom part which adjoins the sidewall and an inner dish-shaped bottom part, wherein the dish-shaped bottom part adjacent the ring-shaped bottom part slopes downwards in a direction directed away from the sidewall and wherein the at Least one outflow opening is provided in the dish-shaped bottom part.
  • the pad rests on the bottom, while the second sheet extends along the bottom to near the upstanding edge.
  • the sealing seam of the pad then rests on the ring-shaped bottom part.
  • the dishhsliaped bottom part grooves are provided which form a fluid path to the at least one beverage outflow opening, while the grooves extend exclusively under the beverage preparation product in the pad.
  • the portion of the bottom that is not provided with grooves, more particularly the ring-shaped bottom part, can then form a fluid sealing with that portion of the second sheet that rests on said areas of the bottom when the pad becomes moist through the fluid.
  • the at least one outflow opening is provided with a nozzle for generating a jet of the beverage.
  • air can be beaten into the prepared beverage for obtaining a beverage with a line-bubble foam layer when it has been received in, for example, a cup.
  • the system may for instance be provided with an impact surface impacted by the jet for beating air into the beverage to obtain a beverage with a fine-bubble foam layer.
  • the fluid is supplied to the first sheet with a pressure of 0.9 to 1.5 bar above atmospheric pressure.
  • a beverage with a good fine-bubble foam layer can be obtained that is comparable to beverages that are prepared under high pressure, as is the case with a coffee bed through which hot water is caused to flow under a pressure in excess of 10 bar.
  • the pad according to the invention is filled with a beverage preparation product for preparing beverage, the beverage preparation product comprising a product to be extracted with fluid (and/or a product soluble in a fluid).
  • the product to be extracted with a fluid can consist of, for example, ground coffee or tea-leaves.
  • a product soluble in a fluid can consist of, for example, milk powder, chocolate milk powder and the like.
  • the system is further provided with a known coffee pad (such as a prior art coffee pad as defined in EF 904 717 AI) provided with an inner space which is filled with ground coffee, wherei the inner space is formed by a top sheet and a bottom sheet which are interconnected adjacent their longitudinal edges, wherein the top sheet and the bottom sheet also form an outer side of the pad and are each made of flexible filtering paper and wherein the coffee pad and the holder are tailored to each other so that the coffee pad can be received in the holder for preparing coffee, such that, in use, the fluid is supplied under pressure to the top side of the pad and is pressed through the pad so that the fluid flows through the top sheet, whereby in.
  • a known coffee pad such as a prior art coffee pad as defined in EF 904 717 AI
  • the inner space is formed by a top sheet and a bottom sheet which are interconnected adjacent their longitudinal edges, wherein the top sheet and the bottom sheet also form an outer side of the pad and are each made of flexible filtering paper and wherein the coffee pad and the holder
  • a coffee extract is formed which proceeds to leave the pad via the bottom sheet, and wherein the coffee extract proceeds to flow out of the holder via the beverage outflow opening of the holder.
  • Fig. 1 shows a possible embodiment of a pad according to the invention
  • Fig. 2 shows an embodiment of a system according to the invention which is provided with the pad according to Fig. 1 and a coffee-maker;
  • Fig. 3 shows a top plan view of a holder of the coffee-maker according to Fi g. 2;
  • Fig. 4 shows an embodiment of the system according to Fig. 2 which is further provided with a flexible pad of filtering paper;
  • Figs. 5a-5f show schematically a method for making the pad as discussed above;
  • Fig. 6 shows an elevational view of the second sheet of a possible embodiment of the pad according to the invention
  • Fig. 7.1 shows a side elevational view of an apparatus for determining a form retention of a second sheet of a pad
  • Fig. 7.2 shows a view according to 7.2 of Fig. 7.1;
  • Fig. 7,3 shows a view according to 7.3 of Fig. 7.1;
  • Fig. 7.4 shows a side elevational view similar to Fig, 7.1 at the moment that a kni fe is just be inning to touch the pad;
  • Fig. 7,5 shows a side elevational view similar to Fig. 7.1 when the knife has reached a lowest position
  • Fig. 7.6 shows a curve of a measured force during the test.
  • a pad for use in a coffee-maker is shown.
  • the pad is of a type intended for preparing one or two cups of beverage.
  • a cup of beverage can consist, for instance, of 20-200 ml of beverage, more particularly of 20-180 ml of beverage.
  • the pad 1 is provided with an envelope 2A, 2B with an Inner space 4 which is filled with a beverage preparation product 8 which is shown in hatched representation in the drawing. In this example, it holds that th envelope bounds the inner space.
  • the beverage preparation product is intended for preparing a beverage.
  • the beverage preparation product comprises a product to be extracted with a fluid and/or possibly a product soluble in a fluid.
  • the beverage preparation product comprises exclusively a product to be extracted with a fluid
  • the envelope is formed by a first disc-shaped sheet 2A and a second disc-shaped sheet 2B which are
  • the interconnected parts of the first sheet 2A and the second sheet 2B . ' form a sealing seam 10.
  • the sealing seam therefore has the shape of a ring.
  • the first sheet and the second sheet each form a filter which can pass a fluid and which forms a barrier to the beverage preparation product.
  • the first sheet 2A is of form-retaining design.
  • the form retention of the first sheet, according to a test, is expressed in a force, measured during the test, which is exerted on the first sheet, while the test is carried out on the Clear sheet as such, that is, on the pad without the second sheet and the beverage preparation product; see Figs. 7.1-7.3.
  • the first sheet 2A as such that is, the pad without the second sheet and the beverage preparation product, but with preservation of its shape such as when the first sheet forms part of the pad, is laid on a horizontal surface 100, such that the first sheet is supported by its longitudinal edge 8 on the horizontal surface, while the horizontal surface is provided with an elongated groove 102 which has a width a of 80 mm, and while the first sheet, symmetrically with respect to the groove, overlies the groove and on opposite sides of the groove is supported on the horizontal surface.
  • a knife 104 having a length which corresponds to the diameter D of the pad.
  • a cutting face 106 of the knife has a thickness of 3 mm.
  • a length direction L of the cutting face 106 extends in horizontal direction in a length direction L of the groove.
  • the knife from a position above the pad, is moved down in vertical direction V with a . constant speed v of 100 mm/minute, while a center M of the cutting face is situated, viewed in vertical direction, above a center of gravity 2 of the first sheet. Because the first sheet has the shape of a disc with center F, this center P corresponds to the center of gravity mentioned.
  • Moving the knife down is carried out with a load cell 108.
  • the longitudinal edge 8 Prior to carrying out the test, the longitudinal edge 8 lies wholly fittingly against the surface 100. From the moment that the knife touches the first sheet (Fig.
  • the resistance in units Newton is measured that the knife experiences as a result of the deforming of the pad by the knife as the knife moves down.
  • the force is measured that the knife experiences from the first sheet as the knife moves down. Before the knife touches the first sheet, this force is zero. Thereupon this force starts to run up. Movin down is continued until the cutting face of the knife is in the groove at 12 mm depth b with respect to the horizontal surface (see Fig. 7,5), A highest resistance or force measured with the load cell 108 is the measure of the bending stiffness of the first sheet. This highest resistance Pmax is measured in Newton. As the knife moves down and initially touches the first sheet, the first sheet will first deform elastically. Thereafter, upon further downward movement, the firs sheet is deformed, The measured greatest force typically
  • the force is measured that the knife experiences as a result of the pad deforming.
  • the measured peatest force is preferably in the range of 0.2-4 Newton, and/or is preferably greater than 1 Newton.
  • the first sheet keeps the form -retaining properties mentioned.
  • the first sheet remains form- retaining when a fluid is caused to flow through it, while the fluid can have a temperature of at most 90 degrees Celsius and preferably at most 99 degrees Celsius.
  • the first sheet is made of a
  • thermoplastic material is a material, that becomes more plastic as the temperature rises. Accordingly, it holds in this example that the first sheet also remains form-retaining when it comes into contact with a fluid such as a beverage and/or hot water that has a temperature of 80 degrees Celsius. Because a thermoplastic material is involved here, it will also hold that the sheet remains form-retainin when it comes into contact with a fluid having a temperature that is lower than 80 degrees Celsius.
  • the first sheet also remain s form - retaining when it comes into contact with a fluid of 90 degrees Celsius and preferably of 99 degrees Celsius.
  • a fluid of 90 degrees Celsius and preferably of 99 degrees Celsius is a first shee that is made of a thermoplastic material.
  • the first sheet is made of a nonwoven material.
  • a woven material can he used preferably also having the following compounds however with preferably reduces thickness.
  • This nonwoven material in this example, is made of a plastic for at least 50 percent by weight and preferably for at least 60 percent by weight, while in particular the plastic consists of plastic fibers and or plastic filaments. More preferably, it holds that the nonwoven material is made from a plastic for at least 70 percent by weight. In particular, it holds that the woven material consists of the plastic for at. least 80 percent by weight, and more preferably for at least; 90 percent by weight.
  • the nonwoven materia consists of a plastic fo 50-100 percent by weight, more preferably for 60-100 percent by weight. Still more preferably, it holds that the nonwoven material consists of the. plastic for 70-100 percent by weight, in particular consists of a plastic for 75-95 percent by weight and still more in particular consists of plastic for 80-95 percent by weight.
  • the plastic comprises polymers of PLA, FETP and/or LLDPS, More in general, it holds that plastics and combinations thereof are possible such. s PE, PET, PETP, eoPET, LLDPE, CPP, PLA and/or PP. I this example it holds that the nonwoven material has been made form-retaining through a heat treatment.
  • the sheet-form material that has been made of the respective plastic is brought into the required shape (here an even or Hate shape - ⁇ as mentioned above also a formed shape and especially bowl-shape similar or identical to the form of the second sheet 2B could be provided) such as it is shown for the first sheet 2A, afte which the first sheet undergoes a heat treatment so that the first sheet after cooling becomes form -retaining.
  • the first sheet 2A afte which the first sheet undergoes a heat treatment so that the first sheet after cooling becomes form -retaining.
  • th first sheet is provided with cellulose fibers and/or cellulose filaments.
  • the first sheet comprises a combination of the above-mentioned plastics and cellulose, fibers and/or filaments, I this example, it holds furthermore that the nonwoven material is provided with the cellulose fibers and/or the cellulose filaments. If this nonwoven material, as discussed above, consists of the plastic mentioned fo at least 50 percent by weight, it will hold that the nonwoven materia furthermore consists of cellulose for at most. 50 percent by weight. If this nonwoven material, as discussed above, consists of the above-mentioned plastic for at least 60 or at least 70 percent by weight, it will hold that the nonwoven material furthermore consists of cellulose for at most 40 or 30 percent by weight, respectively.
  • the nonwoven material therefore comprises preferabl a combination of plastic and cellulose fibers and/or filaments.
  • the plastic according to the invention, preferably consists of plastic fibers and/or filaments. In this example, these plastic fibers and/or plastic filaments are part of the nonwoven material. It- is. also possible, howeve ; that the plastic is present in the first sheet in the form of a coating on the cellulose fibers and/or the cellulose filaments. In this example, these plastic- coated fibers and/or plastic-coated filaments are then part of the nonwoven material.
  • the nonwoven material consists for a greater proportion of percent by weight of the plastic mentioned than of cellulose fibers and/or filaments.
  • the densit of the first sheet is in the range of 150-300 g/m2.
  • the densit of the first sheet is in the range of 180-270 g/m2 and more preferably 200-250 g/m2.
  • the thickness of the first shee in this example is in the range of 50-600 micrometer.
  • the thickness is in the range of 100-500 micrometer, more particularly in the range of 150-800 micrometer.
  • the thickness mentioned is schematically denoted in Fig. 1 with the letter h ! .
  • the first sheet within the contours of the sealing seam is designed to be homogeneously permeable to a fluid such as water.
  • the first and/o the second sheet within the contours of the sealing seam comprise a smoothly running inne and outer surface
  • the second sheet is of flexible design.
  • the second sheet is made of filtering- material and especially of a filtering paper known per se.
  • the second sheet is provided with at least 70 percent of cellulose fibers and/or cellulose filaments.
  • the residual portion of the second sheet may again be made of the plastics and/or plastic fibers and/or plastic filaments and/or- plastic coatings me tioned in the context of the first sheet.
  • the second sheet is provided with at least 80 percent by weight of cellulose, more preferably with at least 90 percent by weight of cellulose.
  • the second sheet comprises less than 30 percent by weight of plastic polymers, preferably of a same kind as mentioned in the context of the first sheet .
  • the thickness of the second sheet is, for example, 1.4-10 times smaller than the thickness of the first sheet.
  • the thickness mentioned is schematicall denoted in Fig. 1 with the letter h.
  • the part of the second sheet that is within the contours of the sealing seam is of dish-shaped design.
  • the first sheet is of flat design.
  • the part of the second sheet tha is within the contours of the sealing seam, as shown in Fig. 2, has a diameter denoted with d.
  • the diameter of the whole pad is denoted with D in Fig. 2.
  • the ring-shaped sealing seam 10 has a diameter of ⁇ D-d)/2.
  • B is approximately 74,4 mm and d is approximately 61 mi, Other dimensions are conceivable for D.
  • D can be, for instance, in the range of 45-90 mm, preferably 70-80 mm, more preferably 73-76 mm, in particular approximately 74,4 mm.
  • the first sheet can comprise a foil and or consist of a foil which is provided with a multiplicity of outflow openings and is made of a plastic, comprising plastic polymers.
  • the plastic polymers can comprise PE, PET, PETP, coPET, LLDPE, €PP, FLA and/or PP,
  • the first sheet can then comprise a first layer which consists at least substantially of PETP and a second layer which consists at least
  • a -system is shown in which the pad of Fig. 1 is used.
  • the system is provided with a coffee-maker 14 which is provided wit a holder 16 for receiving the pad 1, Further, the coffee-maker is provided with a cover 18 for closing off the holder 18.
  • the coffee-maker is furthermore provided with fluid means 20, 22 for generating a fluid flow under pressure.
  • these fluid means consist of a pump 20 and a storage vessel 22 which is filled with a fluid, i this example wit hot water.
  • the storage vessel 22 is provided with a heatin element 24.
  • the storage vessel 22 itself in turn may be filled from a larger storage vessel, which comprises cold water. This larger storage vessel is not shown in the drawing-
  • the pump 20, in use, supplies hot water via a duct 28 to -an inner space 28 of the cove 18.
  • a bottom 30 of the cover is provided with a multiplicity of inflow openings 32.
  • the holder 16 is provided with a bowl- shaped inner space 36 which is bounded b a bottom 34 of the holder and an upstanding sidewall 38 of the holder.
  • the bottom consists of an outer horizontally directed ring-shaped bottom part 40 which adjoins the sidewall 38.
  • the bottom comprises an inner dish-shaped bottom part 42, while the dish-shaped bottom part adjacen the ring-shaped bottom part slopes downwards in a direction directed away from the sidewall, to the inside of the holder .
  • the ring-shaped bottom part is provided with an outer edge 41 which adjoins the sidewall 38 and an inner edge 43 which adjoins the dish-shaped bottom part 42.
  • the bottom is provided with at- least one outflow opening 44. This outflow opening in this example is located in the dish-shaped bottom part 42. As shown in Fig. 2, it holds that the pad rests on the bottom 34, with the second sheet extending along the bottom to near the upstanding sidewall 38.
  • the second sheet has a shape that corresponds to the shape of the bottom of the holder ,
  • the second sheet here has a smoothly running inner and outer surface within the sealing seam.
  • grooves 46 are provided in the dish-shaped bottom part 42.
  • the grooves extend exclusively under the beverage preparation product 6 in the pad.
  • the grooves 46 are formed by a multiplicity of projections 54 of the bottom. Between the upstanding projections 54, the respective grooves are formed.
  • the grooves may also be differently ormed, for instance as slots provided in the bottom and extending, for instance, in radial direction towards the outflow opening 44.
  • the first and/or the second sheet is shaped such that it is provided with at least one groove or multiplicity of grooves especially to increase the form retention of the second sheet, at least one groove for instance extending in a radial direction and/or radial spiralling direction or similar winding radial direction of the pad and/or extending in a circle or similar path around an axis, in an especially coincentric pattern or in a non coincentric pattern, all paths closed or open o themselves, and/or extending in a winding path o curved ath and especially a.
  • the grooves can also provide fluid guiding means.
  • the before mentioned grooves can be recesses, projections, folds or similar elevations and/or recessions. They ca extend in circles or similar pathes around an axis, in coincentric patterns or in non coincentric patterns.
  • the paths of extension can e closed or ope o themselves. They can extend in winding paths or curved paths and especially helical or similar paths. It is possible to provide the grooves with uniform arrangement; however it is also possible that the grooves are changing thei groove depth, width, shape etc. It is especially possible that the grooves are increasing and/or decreasing along their major extension direction.
  • the bottom is at least partly of smooth design and is made of a plastic and/or metal.
  • the upper side of the tops are smooth, just like the rest of the bottom.
  • the beverage preparatio product is ground coffee.
  • the ground coffee 6 forms a coffee bed.
  • the grooves are under the coffee bed but also within the contours of the coffee bed, i.e., within the contours of the positions where the beverage preparation produc is situated in the pad.
  • the dish-shaped bottom part comprises an inner flat bottom part. As can be seen, the grooves extend exclusively in this inner bottom part which is fiat.
  • the at least one outflow opening 44 is provided with a nozzle 47 for generating a jet of the beverage as will be further elucidated, hereinafter.
  • the system is further provided with an impact member 50 which, in use, is impacted by a je of the beverage made.
  • A. user will first of all remove the cover 18 for placing the pad 1 of Fig. 1 in the holder 16 of Fig. 2. Because the pad is provided from retaining due to the form -retaining first sheet 2A attached to the second sheet 2B, the pad will of itself slide into the right position as the pad is positioned in the bottom.. The pad is, as it were, self-locating and ends up in the position as shown i Fig. 2. After this, the holder can foe closed off with the cover as shown in Fig. 2. Thereupon a user operates the control unit 52 of the coffee- maker 14, The result is tha the control unit 52 activates the pump 20. As a result, hot water is supplied from the storage vessel 22 via the duct 26 to the inner space 28 of the cover 18.
  • the .consequence is that the water is supplied under pressure from the upper side of the pad to the first sheet of the pad,
  • the pressure in this example is 1,1 bar above atmospheric pressure.
  • the hot water will then penetrate via the first sheet A into the inner space of the pad.
  • the hot water comes into contact with the groun coffee so that the coffee beverage is foi-med.
  • the coffee beverage leaves the coffee pad via the second sheet 2B.
  • the second sheet 2B becoming moist, it will form a sealing with the bottom 34, there where there are no grooves.
  • the beverage will leave the pad, As a result of the grooves extending exclusively under the coffee bed, bypass is avoided. What is further avoided is that the hot water forms channels extending in vertical direction throug the coffee bed. Such channels would preclude an optimal and efficient extraction of the ground coffee.
  • the grooves extend in a Eat part of the bottom, this enables the second sheet to properly abut the bottom, so that it's the grooves that determine where the beverage can flow out of the pad.
  • the beverage proceeds to flow via the grooves to the outflow opening 44. Because the outflow opening 44 is provided with a nozzle 47, while moreover it holds that the fluid is supplied to the pad under pressure, the coffee beverage will be formed into a jet that impacts th impact surface 50. As a result, the beverage will be atomized in a chamber 62 of the holder which is open at its underside 64. When, the beverage is thereupon received in a cup, a beverage is obtained with a fine-bubble foam layer.
  • the holder can be opened again by removi g the cover.
  • the pad 1 can then be removed easily in that the first sheet is still form -retaining.
  • the cover is provided with a sealing ring 60 which seals fiuid-tightly against the upstanding sidewall 38 of the holder.
  • the upstanding sidewall 38 is provided with the sealin ring, this sealing ring then sealing against the cover 18.
  • the first sheet is..of form-retaining design.
  • the second sheet is also of form -retaining design.
  • the second sheet is made of a different material as the first sheet.
  • the beverage preparation product consists of ground coffee.
  • the beverage preparation product consists of, for example, tea.
  • the beverage preparation product consists of a product soluble in fluid o a product that forms a dispersion such as milk powder and/or cacao for preparing milk or chocolate milk.
  • the beverage preparation product is provided with one of the extractable products mentioned or a different type of extractable product in, combination with a fluid-soluble product.
  • the fluid-soluble product in turn may consist of milk powder or a flavor enhancer.
  • the pad is used in a different type of coffee-maker.- Further, in the holder of the coffee-maker of Fig, 2, also a coffee pad according to Fig.
  • top sheet 2A' and a bottom sheet 2B l which are interconnected adjacent their longitudinal edges, while the top sheet and the bottom sheet also form an outer side of the pad and are each made from flexible filtering material and a filtering paper.
  • the coffee pad ⁇ and the holder 16 are tailored to each other so that the coffee pad can e received in the holder for preparing coffee, such that, in use, the fluid is supplied under pressure to the upper side of the pad and is pressed through the pad so that the fluid flows through the top sheet whereby in the pad a coffee extract is formed which proceeds to leave the pad via the bottom sheet and wherein the coffee extract proceeds to flow out of the holder via the beverage outflow opening of the holder.
  • the bottom sheet of the pad here extends over the bottom 34 of the holder up to the upstanding side wall 38 of the holder, thereby also forming a sealing with the holder to prevent bypass. The beverage can leave the pad there where the grooves are. Accordingly, the invention also concerns a system provided with the coffee-maker, the pad 1 and the pad ⁇ , allowing a user, as desired, to use the pad 1 or the pad for preparing the beverage.
  • Figs. 5a- 5f schematically show a method for making the pad as discussed above.
  • a fourth sheet 50 is placed above a mold 52 made of metal. Through, for instance, vacuum suction of the mold cavit 54, the fourt sheet takes the shape of the mold cavit (Fig. 5b). Also, alternatively, the fourth sheet may be mechanically pressed into the mold cavity with a stamp 56 (represented in broken lines).
  • a stamp 56 represented in broken lines.
  • a third sheet 60 beeing placed on preferabl different mold is heated with a stamp 58.
  • the third sheet is heated to, for example, 200-400 degrees Celsius.
  • the third sheet has a flat shape; however it eould also have a formed shape and especially a shape similar to the shape of the fourth sheet. (The third sheet may also be heated in step e.
  • the plastics in the sheet will thereby liquefy and/or soften.
  • the stamp 58 is removed and the third sheet is cooled.
  • the sheet has now become form-retaining.
  • the first sheet in this example will now already have a smoothly runnin inner and outer 2S surface within the sealing seam to be formed. The same steps could also he carried out with the fourth sheet for providing the second sheet.
  • the beverage preparation product 6 is positioned on the fourth sheet (Fig. 5d),
  • the third sheet 60 is placed above the fourth sheet 50 and the beverage preparation product,
  • the fourth sheet and the third sheet are welded together (Fig, 5f), whereby the sealing seam 10 is formed.
  • the pad 1 is cut out.
  • the cut-out part of the fourth sheet 50 then constitutes the second disc-shaped sheet 2B and the cut-out part of the third sheet 60 then constitutes the first disc-shaped sheet 2A. Accordingly, it holds that in a step a.
  • a set-up of a third sheet, fourth sheet and the beverage preparation product is made, with the beverage preparation product situated between the third sheet and the fourth sheet (Fig, Be), and then in a step b. the third sheet and the fourth sheet are joined together (Fig. 5f>.
  • the third sheet is heated in a step c. (Fig. 5c) and then is cooled in a step d. for increasing the bending stiffness of the third sheet.
  • the third sheet is heated in step c. to a temperature of 200-400 degrees Celsius or for instance 90-200 degrees Celsius.
  • the fourth sheet is placed in a mold so that the fourth sheet obtains a predetermined shape (Fig, 5b).
  • a step c' similar to the before mentioned step c, where the third sheet is heated (Fig. 5c) ⁇ for heating the fourth sheet.
  • a coolong step similar to the step d is performed for cooling the fourth sheet after step c ⁇
  • the beverage preparation product is placed on the fourth sheet, preferably while the fourth sheet is already i the mold (Fig. 5d), whereby ste b. is carried out after step f.
  • step c. (Fig. 5c) is carried out before step £. (Fig. 5d).
  • step c after step £
  • the third sheet and/or the fourth sheet may during the execution of step b. be heated to 90-400 degrees Celsius, in particular 90-200 degrees Celsius.
  • the third sheet and possibly the fourth sheet are cooled after carrying out ste b.
  • step b. and step c. are carried out a the same time. This can be done by leaving out the step of Fig. 5c while in Fig, 5f especially the mold is heated for carrying out step c and/or a stamp 58 is provided heating the sheet,
  • stamp 58 is provided heating the sheet
  • TMs means that calendaring and/or dee drawing in step g. is carried out before ste a. and step b. It is also possible that only the steps of Figs. 5a, 5b, 5d, 5e, and 5f are carried out. Accordingly, the step c. of heating and the step d. of cooling are then omitted, Also, still other embodiments of the pad are conceivable .
  • th first sheet can also comprise a foil and/or which is provided with a multiplicity of inflow openings and is made of a plastic.
  • the inflow openings can for instance be circular and have a diameter of 0.15-0.6 mm.
  • the plastic may be of a kind as discussed above.
  • the first sheet comprises a first layer which consists at least substantial! ⁇ ' of PETP and a second layer which consists at least substantially of CPP *
  • the first sheet may be composed from such a foil and a layer of woven or nonwoven m aterial, such as, for example, filtering paper.
  • This layer can also consi st of the woven material which has been discussed above for the first sheet of the pad according to Fig, 1.
  • This layer may be bonded to the foil by, for instance, heating.
  • the beverage preparation product may be tamped down and/or condensed, and thereby contributes to the form retention of the pad. Such tampin down and/or compaction may be carried out, for instance, in the situation of Fig.
  • the beverage preparatio product may be provided with ground coffee.
  • the first sheet may also be designed of different materials.
  • the first sheet may he made of a polyester fiber, in
  • the thickness of the first sheet is 250-450 um, preferably 300-400 ⁇ , more preferably 350 ⁇ .
  • the first sheet is made of Po!ylactic Acid
  • PLA and preferably of PLA fibers and/or filaments.
  • Such PLA fibers are for instance described in WO 2012/027639..
  • the thickness of the sheet made of PLA is 100-600 ⁇ (micrometer).
  • the first sheet is made of 100% Polylaetic Acid (PLA) fibers and derivatives so that the first sheet is completely biodegradable after use.
  • PLA Polylaetic Acid
  • the first sheet is made of PLA fibers having a melting point of 145-175 degrees Celsius and PLA fibers having a melting point of 105-165 degrees Celsius.
  • a combination of these two types of fibers provides on the one hand form retention of the first sheet and on the other coherence between the fibers.
  • the first sheet consists for x3 ⁇ 4 of Polylaetic Acid (PLA) fibers and for (l ⁇ x)% of paper, with x being in the range of >0 and ⁇ 100 ⁇ preferably of 50-80, preferably in the range of 80-70, more preferably approximately equal to 65,
  • PLA fibers have a melting point, of 105-165 degrees Celsius.
  • the fibers can have a length of 2-90 I Also, the fibers may be 0.6-6.0 denier.
  • the second sheet is of more transparent design than the first sheet.
  • the second sheet can then have the properties of the top sheet as discussed in EP 2 424 794. Also, it may hold that the first sheet is of at least
  • the first sheet may have a smoothl running inner and o ter surface within the sealing seam.
  • the first sheet may also be so configured as to be provided with at least one groove or a multiplicity of grooves to increase form retention of the first sheet, with the grooves 80 extending, for instance, in radial direction of the pad and or with the at least one groove 90 constituting a circumfere tial groove closed upon itself, extending around an axial axis of the pad, for example in & sealing seam (groove 90,1) or in the first sheet, outside the sealing seam so that the groove (90.2) has a smaller diameter than the sealing seam.
  • Fig. 6 in which a view of the first sheet is shown.
  • the radial grooves 80 extend to nea the sealing seam 10.
  • the radial grooves extend into the sealing seam 10 (indicated for one groove 80.1).
  • the grooves in this example have a V-shaped cross section, Other shapes, such as a U-shaped cross section, are also possible.
  • the third sheet and hence the first sheet can be provided with the respective grooves 80, 90 by carrying out with suc a mold and stamp, as desired, one of the methods which have been discussed with reference to Fig, 5,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Packages (AREA)

Abstract

L'invention se rapporte à une dosette à utiliser dans une machine à café pour préparer 1 ou 2 tasses de boisson, pourvue d'une enveloppe comportant un espace intérieur qui est rempli d'un produit de préparation de boisson pour préparer la boisson, le produit de préparation de boisson comprenant un produit à extraire d'un fluide (et/ou un produit soluble dans un fluide), l'enveloppe étant formée par une première feuille discoïde et une seconde feuille discoïde qui sont reliées adjacentes à leurs bords longitudinaux, les parties mutuellement reliées de la première feuille et de la seconde feuille formant une couture d'étanchéité et la première feuille et la seconde feuille formant chacune un filtre qui peut faire passer un fluide et qui forme une barrière au produit de préparation de boisson ; lors de l'utilisation, avec la machine à café, un fluide, tel que de l'eau est apporté, sous pression, par le biais de la première feuille jusqu'à la dosette de sorte que le fluide soit pressé à travers la dosette pour obtenir la boisson qui quitte alors la dosette, et la première feuille est d'une conception à maintien de forme. L'invention se rapporte également à l'utilisation d'une telle dosette, à un procédé de préparation d'une boisson avec une telle dosette, à un système pourvu d'une dosette et à un procédé de préparation d'une telle dosette.
PCT/NL2014/050913 2014-01-08 2014-12-29 Dosette à maintien de forme à utiliser dans une machine à café WO2015105410A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2012061 2014-01-08
NL2012061A NL2012061C2 (en) 2014-01-08 2014-01-08 Form-retaining pad for use in a coffee maker.

Publications (1)

Publication Number Publication Date
WO2015105410A1 true WO2015105410A1 (fr) 2015-07-16

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WO (1) WO2015105410A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019517959A (ja) * 2016-04-29 2019-06-27 アフルストロム−ムンクショー・オーイーユィ カプセルを封止するためのコンポスト化可能な蓋及び該蓋で封止されたカプセル
IT201800002976A1 (it) * 2018-02-23 2019-08-23 Bruno Bardazzi Sistema per la preparazione di bevande
BE1030040B1 (nl) * 2021-12-17 2023-07-17 Beyers Koffie Nv Pla-pads en werkwijze voor de productie van pla-pads

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0904717A1 (fr) 1997-09-30 1999-03-31 Sara Lee/DE N.V. Unité d'extraction utilisé dans une machine à café, porte-filtre et sachet filtre faisant partie de cette unité
WO2006043096A1 (fr) * 2004-10-22 2006-04-27 Kraft Foods R & D, Inc. Dosette et capsule pour preparer une boisson
WO2012027539A2 (fr) 2010-08-25 2012-03-01 Nonwoven Network LLC Sachets de thés et composants de fibres pla et co-pla à un et deux composants
EP2424794A1 (fr) 2009-04-27 2012-03-07 Sara Lee/DE B.V. Tampon pour préparer une boisson, récipient comprenant plusieurs tampons, appareil et procédé pour préparer la boisson

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0904717A1 (fr) 1997-09-30 1999-03-31 Sara Lee/DE N.V. Unité d'extraction utilisé dans une machine à café, porte-filtre et sachet filtre faisant partie de cette unité
WO2006043096A1 (fr) * 2004-10-22 2006-04-27 Kraft Foods R & D, Inc. Dosette et capsule pour preparer une boisson
EP2424794A1 (fr) 2009-04-27 2012-03-07 Sara Lee/DE B.V. Tampon pour préparer une boisson, récipient comprenant plusieurs tampons, appareil et procédé pour préparer la boisson
WO2012027539A2 (fr) 2010-08-25 2012-03-01 Nonwoven Network LLC Sachets de thés et composants de fibres pla et co-pla à un et deux composants

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019517959A (ja) * 2016-04-29 2019-06-27 アフルストロム−ムンクショー・オーイーユィ カプセルを封止するためのコンポスト化可能な蓋及び該蓋で封止されたカプセル
JP7108543B2 (ja) 2016-04-29 2022-07-28 アフルストロム－ムンクショー・オーイーユィ カプセルを封止するためのコンポスト化可能な蓋及び該蓋で封止されたカプセル
US11794985B2 (en) 2016-04-29 2023-10-24 Ahlstrom Oyj Compostable lid intended to seal a capsule and a capsule sealed by the lid
US11993449B2 (en) 2016-04-29 2024-05-28 Ahlstrom Oyj Compostable lid intended to seal a capsule and a capsule sealed by the lid
IT201800002976A1 (it) * 2018-02-23 2019-08-23 Bruno Bardazzi Sistema per la preparazione di bevande
EP3530153A1 (fr) * 2018-02-23 2019-08-28 BARDAZZI, Bruno Charge pré-emballée de matériau en poudre comestible et système de préparation de boissons à l'aide de ladite charge
BE1030040B1 (nl) * 2021-12-17 2023-07-17 Beyers Koffie Nv Pla-pads en werkwijze voor de productie van pla-pads

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