WO2009138786A2 - Food packaging - Google Patents
Food packaging Download PDFInfo
- Publication number
- WO2009138786A2 WO2009138786A2 PCT/GB2009/050506 GB2009050506W WO2009138786A2 WO 2009138786 A2 WO2009138786 A2 WO 2009138786A2 GB 2009050506 W GB2009050506 W GB 2009050506W WO 2009138786 A2 WO2009138786 A2 WO 2009138786A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tray
- film
- sheet
- plastics
- food packaging
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/16—Lining or labelling
- B29C51/162—Lining or labelling of deep containers or boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B31B50/26—Folding sheets, blanks or webs
- B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
- B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2003/00—Use of starch or derivatives as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- 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
- B31B2110/00—Shape of rigid or semi-rigid containers
- B31B2110/10—Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
-
- 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
- B31B2110/00—Shape of rigid or semi-rigid containers
- B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
- B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
-
- 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
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
- B31B2120/402—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box
- B31B2120/404—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box using vacuum or pressure means to force the liner against the wall
-
- 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
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
- B31B2120/402—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box
- B31B2120/406—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box the lining material being a plunger, a web, a sheet or a bag to be forced into the box, e.g. by using heat
Definitions
- This invention relates to food packaging, in particular, but not exclusively for; ready meals and the like which are heatable in a microwave or conventional oven; and other packaging which is moisture resistant.
- Packaging for meals has been produced using a C-PET tray sealed with a film. Once heated the C-PET is not recyclable as a plastic. Food information, images etc are printed on a cardboard sleeve and so this adds to the amount of packaging used.
- Embodiments of the invention address one or more of the problems mentioned above.
- a method of producing food packaging comprising the steps, in any suitable order, of: i) providing a cardboard tray which includes a base and side walls which together form a recess having an inner surface; ii) providing a plastics film adjacent the tray; iii) heating said film at least to a temperature which allows said film to adhere to said inner surface; iv) deforming said plastics, either after or during said heating in a direction away from said tray; and v) initially forcing, by means of gas pressure or vacuum, said film when so deformed and so heated, into contact with said inner surface to cause said adherence.
- the method may further include the additional step of: vi) further heating said film, after step v).
- the method may further include the additional step of: vii) further forcing said film in the same direction as the said initial forcing, following step vi).
- the method may further include the repeating of steps vi) and vii)
- said deforming is carried out by an initial gas pressure or an initial vacuum.
- said deforming comprises deforming said film into a domed shape, and said initial forcing includes inverting said domed shape.
- said gas pressure and/or said initial gas pressure is air pressure.
- the tray is formed from a blank including overlappable tabs.
- the tabs are overlapped glued together to form the tray and may be glued together.
- said method includes the step of providing a heater plate or plug which may be of a shape similar to or the same as the recess.
- the heater plate or plug is heated to perform the step of heating.
- the tray is supported in a female support and the female support and heater plate are brought together prior to the step of forcing said film into contact with the inner surface.
- said film is of a thickness of 30 to 450 microns in thickness, and preferably 30 to 150 microns, and more preferably 30 to 100 microns.
- said vacuum is created between said inner surface and a surface of the film nearest said inner surface.
- the invention extends to a food packaging comprising a pre-formed cardboard tray having a recess for holding a food product and a plastics layer adhered to an inner surface of the cardboard tray, to form a food contacting surface, wherein the layer is formed from a sheet of plastics material heated to at least a temperature that allows deformation of the sheet to a sufficient degree to allow the sheet to follow the shape of the inner surface of the tray and to allow bonding between said inner surface and said sheet, and said sheet and said inner surface are brought into contact to cause bonding of the sheet to said inner surface, the packaging being characterised in that the sheet plastics layer is initially deformed in a direction away from said inner surface of said tray before said contact, or the packaging being characterised in that said tray and sheet are separable after said bonding such that no more than 5% of the thickness of tray is adhered to the sheet when said separation is performed.
- the contact is brought about by differential air pressure acting on said sheet.
- plastics layer has a peripheral dimension greater than the tray, and the excess plastics is cut to the approximate dimensions of the tray following said bonding.
- the plastics layer is a polyethylene, PET material, or other thermoplastics material, or a bioplastic, such as a vegetable oil or starch based plastics.
- the invention extends to a machine suitable for carrying out the method mentioned above.
- the invention extends to food packaging having a composite construction of a plastics inner food contacting layer, bonded to an outer recyclable layer, the inner and outer layers being separable after use, such that no more than 5% of the thickness of the outer layer is disposed on the inner layer.
- the invention embraces any novel feature herein or any novel combination of features herein.
- Figure 1 shows apparatus for continuously producing food trays
- Figure 2 shows a food tray manufactured by the apparatus shown in Figure 1.
- FIG. 1 there is shown a stack of cardboard blanks 10 which are fed to a mechanism 20, shown schematically.
- the mechanism 20 folds and glues their edges to form unlined trays 30.
- the term 'tray' covers open containers, and need not be limited to tray-like containers which have a height less than there width, or to any particular shape.
- the term tray could include a deep sandwich pack, or a cylindrical shape, as well as a conventional shallow tray-like shape.
- conventional shaped trays 30 have a recess 34 which includes an inner surface 38.
- the trays 30 are fed into a lower die 40 together with a reel fed sheet of PET plastics film 50 above the tray 30, of a thickness between approximately 30 and 150 microns.
- An upper die 60 has a heater plate surface 64 having a PTFE coating, for example a Teflon ® coating.
- Lower die 40 is raised in the direction of arrow A toward the upper die 60 by means of a pneumatic ram 42.
- An initial vacuum is applied to ducts 62 which draw the film 50 toward the upper die 60.
- the upper die is heated to a temperature of approximately 110 to 200 degrees Celsius. At this temperature the plastics film softens and forms a domed shape (not illustrated) under the influence of the initial vacuum.
- air pressure under the film can be employed with equal effect.
- the plastics film 50 As the film 50 is domed, its temperature increases such that it becomes tacky.
- the plastics film 50 now deformed into a domed shape, away from the lower die, under the influence of heat and the initial vacuum, is forced against the inner surface 38 of the recess 34 of tray 30 by means of air pressure either, now applied to the ducts 62, and/or by means of a further vacuum applied from the tray side of the film.
- This pressure or further vacuum causes the dome shape to invert and the now tacky and stretched film 50 to adhere smoothly to the inner surface 38 of the tray 30 supported on the lower die 40.
- the PTFE coated surface 64 aids the release of the now tacky film 50, should the film 50 make contact with the surface 64.
- the excess film 50 is cut form the edges of the now lined tray 31 by known means to leave an unused film portion 52 with tray sized apertures.
- the lower die 40 is lowered by reversing the direction of the ram 42.
- Product support plate 44 forces the lined tray from the supporting lower die 40 as the ram is lowered further than the position shown in the drawing.
- the finished, now lined tray 31 is then carried away.
- FIG. 2 shows a lined tray 31 cut in half, formed by the process described above.
- the tray 31 includes the outer cardboard layer 30 which is cut from flat sheet, folded and glued at tabs 32 to form a self-supporting tray having the recess 34.
- the term cardboard is intended to encompass all natural fibre materials, for example wood pulp, plant fibres etc formed onto a sheet material or a post formed material such as corrugated board.
- the outer layer 30 supports the plastics film 51 which is now adhered by means of heat to the outer layer 30.
- the plastics film has a food contacting surface 52.
- the tray includes a lip 36 to which may be applied a further film lid 35(partially shown) for sealing the tray when food is contained in the recess 34.
- the lid 35 is readily hermetically sealable to the lip 36 and a inert or food modifying gas can be used to fill the recess 34 prior to sealing the lid 35 to the lip 36.
- the manufacturing process described above produces a readily sealable tray which is made mainly from readily recyclable materials e.g. cardboard. If required, the cardboard is readily removable from the plastics film because the degree of adherence between the cardboard and plastics is controllable to give just enough adherence to perform a cooking function, but not too much to make impossible the separation of the cardboard from the film.
- the tray 30 and film 51 are separable following heating of food in the tray, such that the two peel apart, leaving no more than 5% of the thickness of the material of the tray stuck to the film 50.
- the cardboard tray can then be recycled, and the film can be more easily recycled if desired because it is not too contaminated with cardboard.
- the use of a heater plate to heat the plastics film prior to its application onto the unlined cardboard tray 30 provides control of the temperature of the film 51 and thus the strength of its adherence to the tray 30.
- the use of a heater plate also allows differential heating, so for example the film 51 could be heated to a higher temperature in the lip 36 area which in turn causes the film 51 to adhere more strongly to the lip 36 than to the remainder of the tray 30 so that a further tray- sealing film applied to the film 51 around the lip has a more secure anchor to the tray 30. Since no moulding is used, a thinner plastics film can be employed, which can reduce the non-recyclable material content of the tray.
- the blanks could be produced as part of the process described, for example from a reel of cardboard.
- Food packaging plants could line the supplied trays just before filing and sealing them to minimise the risk of contaminating the plastic lining 51 , thus advantageously, food filling and sealing could be included in the process described above.
- lining of tray 30 could be carried out remotely to a food processing plant and trays 31 supplied ready lined.
- the blanks can have tabs which are glued togther prior to the lining process, it is possible to hold the unglued trays in the lower die 40 and use the film 51 to hold the tray together, omitting the glue. This technique is desirable for oven applications where the glue would, if used, melt.
- a PET plastics film has been described above, although it will be understood that other plastics films could be used, for example polyester based polymers could be used. Also a polyethylene could be used and is favoured for food packaging which is not heated, for example sandwich packs. It can be seen that the invention provides food packaging having a composite construction of a plastics inner food-contacting layer 51 , bonded to an outer recyclable layer 30, the inner and outer layers being separable after use, such that no more than 5% of the thickness of the outer layer is disposed on the inner layer.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Packages (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Laminated Bodies (AREA)
- General Preparation And Processing Of Foods (AREA)
- Vacuum Packaging (AREA)
- Cartons (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009247787A AU2009247787A1 (en) | 2008-05-13 | 2009-05-13 | A method for producing food packaging and such a food packaging |
US12/992,131 US20110259784A1 (en) | 2008-05-13 | 2009-05-13 | method for producing food packaging and such a food packaging |
JP2011509011A JP2011523382A (en) | 2008-05-13 | 2009-05-13 | Food packaging container |
CA2724176A CA2724176A1 (en) | 2008-05-13 | 2009-05-13 | Food packaging |
EP09746103A EP2300213B1 (en) | 2008-05-13 | 2009-05-13 | A method for producing food packaging and such a food packaging |
ZA2010/08403A ZA201008403B (en) | 2008-05-13 | 2010-11-24 | A method for producing food packaging and such a food packaging |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0808604.3 | 2008-05-13 | ||
GBGB0808604.3A GB0808604D0 (en) | 2008-05-13 | 2008-05-13 | Food packaging |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009138786A2 true WO2009138786A2 (en) | 2009-11-19 |
WO2009138786A3 WO2009138786A3 (en) | 2010-01-21 |
Family
ID=39571206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2009/050506 WO2009138786A2 (en) | 2008-05-13 | 2009-05-13 | Food packaging |
Country Status (8)
Country | Link |
---|---|
US (1) | US20110259784A1 (en) |
EP (1) | EP2300213B1 (en) |
JP (1) | JP2011523382A (en) |
AU (1) | AU2009247787A1 (en) |
CA (1) | CA2724176A1 (en) |
GB (1) | GB0808604D0 (en) |
WO (1) | WO2009138786A2 (en) |
ZA (1) | ZA201008403B (en) |
Cited By (15)
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WO2013002639A1 (en) | 2011-06-29 | 2013-01-03 | Van Steen-Dekker Beheer Bv | Food packaging |
DE102013103743A1 (en) * | 2013-04-15 | 2014-10-16 | Gerhard Schubert Gmbh | Thermoforming packaging and process for its production |
WO2015009518A1 (en) * | 2013-07-19 | 2015-01-22 | Meadwestvaco Corporation | Sealable paperboard container and method for manufacturing the same |
EP2965997A1 (en) | 2014-01-07 | 2016-01-13 | Jospak Oy | Food stuffs packaging and a method for manufacturing the same |
EP3141373A1 (en) | 2015-09-07 | 2017-03-15 | C.G.L. Pack Service | Method and machine for manufacturing composite heat-welded trays and tray |
WO2017158233A1 (en) | 2016-03-15 | 2017-09-21 | Jospak Oy | Product package and a method for producing the package |
WO2017158239A1 (en) | 2016-03-15 | 2017-09-21 | Jospak Oy | Product package and a method for producing the package |
WO2018130823A1 (en) * | 2017-01-10 | 2018-07-19 | At Promotions Ltd | Vacuum decoration of a drinking or eating vessel |
US10611525B2 (en) | 2014-04-29 | 2020-04-07 | At Promotions, Ltd | Drinking or eating vessel |
US10947011B2 (en) | 2014-12-22 | 2021-03-16 | At Promotions Ltd | Drinking or eating vessel |
US11358779B2 (en) | 2016-07-22 | 2022-06-14 | Graphic Packaging International, Llc | Container with liner |
US11434038B2 (en) | 2018-08-07 | 2022-09-06 | Graphic Packaging International, Llc | Container with liner |
EP3501813B1 (en) * | 2017-12-22 | 2023-04-26 | Groupe Guillin | Method and machine for manufacturing packaging, packaging obtained |
WO2023117645A3 (en) * | 2021-12-23 | 2023-09-28 | Ribbeck GmbH & Co. KG | Method and apparatus for supplying a film to a film-covering station for covering at least one cardboard tray with film |
USD1004431S1 (en) | 2022-02-08 | 2023-11-14 | Graphic Packaging International, Llc | Tray |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012111235B3 (en) * | 2012-11-21 | 2014-02-27 | Pedram Zolgadri | Disposable tableware comprising a laminate |
CN104890220B (en) * | 2015-06-05 | 2017-10-03 | 武汉华星光电技术有限公司 | The forming method and formation system of a kind of plastic pallet |
JP6801981B2 (en) * | 2016-05-06 | 2020-12-16 | 雪印メグミルク株式会社 | How to make a container |
ES2697705B2 (en) * | 2017-07-28 | 2020-02-03 | Ainia | COMPLEX OF FLAT SHEETS, METHOD FOR OBTAINING SUCH COMPLEX, METHOD FOR MANUFACTURING A CONTAINER AND METHOD FOR PACKING AN OBJECT |
WO2019094057A1 (en) | 2017-11-10 | 2019-05-16 | Bemis Company, Inc. | Ovenable package |
NZ767157A (en) * | 2018-03-16 | 2022-11-25 | Graphic Packaging Int Llc | Container with liner |
CA3094089A1 (en) * | 2018-03-29 | 2019-10-03 | Huhtamaki Molded Fiber Technology B.V. | Packaging unit from a moulded pulp material with peelable laminated layer and method for manufacturing such packaging unit |
US11034498B2 (en) | 2019-02-11 | 2021-06-15 | G.Mondini S.p.a. | Method for making a container comprising an outer skeleton and an inner layer of thermoplastic material, related container and paper-industry article used in the method |
DE102020129730A1 (en) * | 2020-11-11 | 2022-05-12 | ECKO-PACK GmbH | Process and apparatus for manufacturing a foil-lined tray |
US11427374B2 (en) | 2020-12-28 | 2022-08-30 | G.Mondini S.p.a. | Paperboard article for making a container and container comprising the paperboard article |
FR3119789B1 (en) * | 2021-02-12 | 2023-12-29 | Groupe Guillin Sa | Process for manufacturing plastic packaging coated with cardboard or other bio-sourced material |
JP7126301B1 (en) | 2022-05-16 | 2022-08-26 | 株式会社浅野研究所 | thermoforming equipment |
JP7286215B1 (en) * | 2023-03-01 | 2023-06-05 | 株式会社浅野研究所 | Forming method of sheet material |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325905A (en) | 1977-03-23 | 1982-04-20 | Tokan Kogyo Co., Ltd. | Method for producing a double-walled paper container |
Family Cites Families (4)
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SE313274B (en) * | 1968-10-03 | 1969-08-04 | Akerlund & Rausing Ab | |
US3893882A (en) * | 1973-03-19 | 1975-07-08 | Natico Inc | Method for lining drums with plastic material |
DE10022552A1 (en) * | 2000-05-10 | 2001-11-15 | Basf Ag | Thermoforming process for coating surfaces of substrates, e.g. moulded foam products or sheet materials comprises using very flexible film and heating during and-or after the forming operation |
AU2002301963B1 (en) * | 2001-11-12 | 2003-05-01 | Manufacturing Evolutions (Nz) Limited | Thermoplastic sheathing of articles and molding process |
-
2008
- 2008-05-13 GB GBGB0808604.3A patent/GB0808604D0/en not_active Ceased
-
2009
- 2009-05-13 AU AU2009247787A patent/AU2009247787A1/en not_active Abandoned
- 2009-05-13 WO PCT/GB2009/050506 patent/WO2009138786A2/en active Application Filing
- 2009-05-13 JP JP2011509011A patent/JP2011523382A/en active Pending
- 2009-05-13 EP EP09746103A patent/EP2300213B1/en active Active
- 2009-05-13 US US12/992,131 patent/US20110259784A1/en not_active Abandoned
- 2009-05-13 CA CA2724176A patent/CA2724176A1/en not_active Abandoned
-
2010
- 2010-11-24 ZA ZA2010/08403A patent/ZA201008403B/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325905A (en) | 1977-03-23 | 1982-04-20 | Tokan Kogyo Co., Ltd. | Method for producing a double-walled paper container |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
Publication number | Publication date |
---|---|
AU2009247787A1 (en) | 2009-11-19 |
ZA201008403B (en) | 2012-01-25 |
US20110259784A1 (en) | 2011-10-27 |
EP2300213B1 (en) | 2012-07-11 |
JP2011523382A (en) | 2011-08-11 |
WO2009138786A3 (en) | 2010-01-21 |
GB0808604D0 (en) | 2008-06-18 |
CA2724176A1 (en) | 2009-11-19 |
EP2300213A2 (en) | 2011-03-30 |
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