WO2002102682A1 - Insulated beverage or food container - Google Patents
Insulated beverage or food container Download PDFInfo
- Publication number
- WO2002102682A1 WO2002102682A1 PCT/US2002/017747 US0217747W WO02102682A1 WO 2002102682 A1 WO2002102682 A1 WO 2002102682A1 US 0217747 W US0217747 W US 0217747W WO 02102682 A1 WO02102682 A1 WO 02102682A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- beverage container
- foam
- paper stock
- insulated beverage
- Prior art date
Links
- 235000013361 beverage Nutrition 0.000 title claims abstract description 84
- 235000013305 food Nutrition 0.000 title abstract description 9
- 239000006260 foam Substances 0.000 claims abstract description 88
- 239000004698 Polyethylene Substances 0.000 claims abstract description 34
- -1 polyethylene Polymers 0.000 claims abstract description 24
- 229920000573 polyethylene Polymers 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 23
- 229920001684 low density polyethylene Polymers 0.000 claims description 15
- 239000004702 low-density polyethylene Substances 0.000 claims description 15
- 229920001903 high density polyethylene Polymers 0.000 claims description 13
- 239000004700 high-density polyethylene Substances 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 11
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 7
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 7
- 239000004604 Blowing Agent Substances 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 239000005026 oriented polypropylene Substances 0.000 claims 5
- 238000012546 transfer Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 82
- 239000000123 paper Substances 0.000 description 72
- 239000007789 gas Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 239000000654 additive Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011101 paper laminate Substances 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000001282 iso-butane Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229940068984 polyvinyl alcohol Drugs 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000001040 synthetic pigment Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 235000021261 very cold beverage Nutrition 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/007—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a foam layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3865—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3865—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers
- B65D81/3874—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers formed of different materials, e.g. laminated or foam filling between walls
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7132—Bowls, Cups, Glasses
-
- 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
- B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/12—Paper, e.g. cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/043—HDPE, i.e. high density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/02—Open containers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/903—Insulating jacket for beverage container
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1376—Foam or porous material containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
Definitions
- the present invention relates to an apparatus and method for insulating beverage containers and container stock material.
- the present invention relates to an insulated, paper-based beverage container or stock material having improved insulation properties and a method of producing these insulated containers or stock materials.
- United States Patent No. 4,435,344 to Ioka describes a method for producing an insulating composite paper container having a body member and a bottom member.
- the body member is formed of paper coated or laminated with a thermoplastic synthetic resin film.
- a surface of the body member is then heated to form a foamed polyethylene heat-insulating layer on either or both of inner and outer surfaces of the container's body member.
- the heat-insulated body member is then attached to the bottom member.
- United States Patent Nos. 6,030,476 and 5,840,139 to Geddes et al. describe a method for producing insulating beverage containers or cups, stock material and containers made therefrom.
- a stock material includes a base layer, an insulating layer formed on a portion of the base layer, and a printed pattern/mineral oil applied to the insulating layer.
- the insulating layer is formed from a thermoplastic synthetic resin film.
- U.S. Patent No. 6,030,476 describes a polyethylene foam taught on the outside surface of the paper cup.
- European Patent Application EP 0940240 A2 describes a heat insulating paper cup with targeted insulation in areas where printed matter exists.
- the body member of the cup is coated on its outside surface with a foamable synthetic resin and on its inside surface with an inside surface laminate of a synthetic resin effective to prevent liquid penetration.
- the bottom panel member is optionally coated on its upper surface with a foamed or an unfoamed synthetic resin.
- Printed matter is provided prior to foaming of the synthetic resin on the outer surface of the cup with water-based ink. Further, the low density polyethylene is foamed by vaporizing the water contained in the paper stock.
- European Patent Application EP 1060879 A2 describes a heat insulating paper cup having a body member partially or fully coated on its outside surface with a foamed low density polyethylene and coated on its inside surface with an unfoamed modified low density polyethyelene.
- the related art has not yet achieved insulated paper stock that is capable of effectively impeding heat transfer between the contents of the container and the exterior. In addition, adequate thermal insulation is not achieved from the related art in a manner that is cost effective.
- the present invention overcomes the shortcomings associated with conventional devices and methods, and achieves other advantages not realized by conventional devices and methods.
- the present invention is a recognition, in part, that the ability to produce blank paper cups, sleeves or stock material that can be printed/graphically enhanced is desirable.
- This invention permits a superior insulating cup product to be made from standardized manufacturing processes.
- an insulated beverage container stock material comprising a paper stock layer and a foam layer disposed along an interior surface of the paper stock layer.
- the foam layer can be adhered directly or indirectly to the paper stock layer by melt extrusion, lamination or foam extrusion.
- an insulated beverage container comprising a container wall having a side portion; a bottom portion engaging said container wall along a lower side portion; a paper stock layer arranged along an exterior surface of said container wall; a thin polyethylene film layer; and a foam layer arranged along an interior surface of the container wall, the foam layer sandwiched between the polyethylene film layer and the paper stock layer.
- the thin polyethylene film layer can be sandwiched between the foam layer and the paper stock.
- two thin polyethylene film layers can be used, one on each side of the foam layer.
- a method of producing an insulated beverage container comprising the steps of providing a paper cupstock having a container wall for surrounding a beverage containing space, a bottom portion, and a paper stock layer arranged along an exterior surface of said container wall; foaming a polymer into a foam layer by mixing a blowing agent into the polymer prior to foaming; and adhering the foam layer to the paper stock
- Figure 1 is a side cross-sectional view of an insulated beverage container according to the present invention.
- Figure 2 is a cross-sectional view of an insulated beverage container wall or sleeve according to a second embodiment of the present invention
- Figure 3 is a cross-sectional view of an insulated beverage container wall according to a third embodiment of the present invention.
- Figure 4 is a cross-sectional view of an insulated beverage container wall according to a fourth embodiment of the present invention
- Figure 5 is a cross-sectional view of an insulated beverage container wall according to a fourth embodiment of the present invention.
- Figure 6 is a graphical view of experimental data representing actual and comparative hold times for embodiments of the present invention and commercial available products
- Figure 7 is a cross sectional view of an insulating beverage container sleeve according to the present invention.
- Figure 8 is a cross-sectional view of an insulated beverage container wall or beverage container sleeve wall according to another embodiment of the present invention.
- FIG. 1 The present invention is directed toward an insulated beverage container or cup, the container stock material, and a method of producing insulated beverage containers or stock materials that utilize a polyethylene foam layer extruded or laminated to a surface of a food or beverage paper stock.
- the present invention is described in greater detail hereinafter with reference to the accompanying drawings.
- Figures 2 through Figure 5 are cross-sectional views of an insulated beverage container wall 11 according to various embodiments of the present invention.
- an insulated container 10 as shown in Figure 1 will readily incorporate each of the beverage container walls depicted in Figures 2 through Figure 5. While the following description is directed toward a cup, the techniques of this invention can be applied to any number of containers or surfaces, for instance a beverage container insulating beverage sleeve or stock material can be constructed from any of the embodiments shown in the accompanying drawings.
- FIG. 1 is a side cross-sectional view of an insulated beverage container 10 according to the present invention.
- the insulated beverage container includes a container wall 1 having an upper side portion 7, a lower side portion 8 and a bottom portion 9.
- a beverage containing space 11 is formed between the container wall's 1 upper side portion 7, lower side portion 8 and bottom portion 9.
- a quantitative measurement of the ability of a paper stock' to withstand heat transfer between the beverage containing space and the outermost surface of the container is often referred to as hold time. It will be appreciated that the present invention significantly improves the hold time of paper-based stock beverage containers over the related art.
- the present invention utilizes a gas containing film adhered or selectively adhered to the surface of a paper stock.
- the gas containing film layer provides resistance to heat transfer through the container wall 1.
- the present invention provides an insulating container construction and a method of producing this construction which reduces the energy transfer through the container wall, providing increased functionality and usefulness.
- FIG. 2 is a cross-sectional view of an insulated beverage container wall or sleeve 1 according to a first embodiment of the present invention.
- a beverage container wall or sleeve 1 includes a paper stock 2, and an extruded or laminated foam layer 3.
- the paper stock 2 provides structural rigidity and forms the desired shape of the container 10 or a portion of a sleeve wall.
- the extruded or laminated foam layer 3 is adhered to an inner surface (e.g. facing the beverage containing space 11) of the paper stock 2 and performs the function of a gas containing film layer.
- the foam layer 3 is designed to provide thermal insulation properties to the container.
- the paper stock 2 is standard paper used foi making beverage cups and other food containers.
- the paper stock 2 may be chosen with a thickness that provides optimized physical characteristics for cup construction. Important physical characteristics include fold strength, stiffness, tear and tensile strength. [0034] A desired paper thickness is chosen such that the resultant thickness of the finished cup wall 1 does not negatively impact converting, handling or finished cup properties.
- a typical paper stock 2 for beverage and food containers range from 10 to 40 mils in a paper stock 2 thickness, and more particularly from 10 mils to 26 mils in thickness in a preferred embodiment for the present invention. Where the present invention is applied to an insulating beverage sleeve, the paper stock 2 may be chosen with a thickness which provides the proper physical characteristics such as strength for constructing a sleeve surrounding a beverage container 10 such as that shown in FIG. 1.
- Important physical characteristics include fold strength, stiffness, tear and tensile strength.
- the paper thickness is chosen such that the resultant thickness of the sleeve and cup wall does not negatively impact handling, distribution or become cumbersome to the end user. Additional criteria affecting paper stock selection includes appearance and cost.
- a smooth, bleached-white paper may be chosen to enhance the print quality and the appeal of the cup or a brown kraft stock may be chosen for economy.
- Applicable paper suitable for sleeve stock ranges from 2 mils to 10 mils for the application to an insulating beverage sleeve.
- the extruded or laminated foam layer 3 is applied to the paper stock 2 as an extrusion, lamination, or it is melted or fused.
- the extruded or laminated foam layer 3 is to provide thermal insulation properties, to contain liquids and to provide heat sealing.
- the extruded or laminated foam layer 3 can also be used as a barrier to moisture transmission and further aids in seam sealing during container construction.
- the foam layer 3 is a gas containing layer that provides resistance to heat transfer through the sleeve wall.
- the extruded or laminated foam layer 3 although not limited to, can be formed from any of the following exemplary materials: high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), orientated polypropylene (OPP), etc.
- HDPE and LDPE are desirable materials in a preferred embodiment of the present invention.
- Additives may also be included to enhance various material properties or to aid in the manufacturing process. These additives include, but are not limited to, any of the following exemplary additives: ethylene vinyl acetate (EVA), ethylene vinyl alcohol (EVOH), and plasticizers.
- EVA ethylene vinyl acetate
- EVOH ethylene vinyl alcohol
- plasticizers plasticizers
- the foam layer 3 is attached to the paper stock uniformly during the manufacturing process.
- the gases trapped within the film of the foam layer 3 impart a high level of thermal insulation to the container wall.
- An important aspect of the gas containing foam layer 3 is to provide resistance to energy transfer.
- the amount of trapped gas is variable and depends upon a specified volume that will render the exterior of the container comfortable to hold for an average user. Therefore, the required amount of trapped air will generally vary according to the intended use of the container.
- a container used to serve coffee (normally 190° F) will need more resistance to energy flow than a similar container used to serve a relatively cool cup of soup (normally 165° F).
- An additional benefit to the insulating layer is the ability of the container to keep the food or beverage at its serving temperature for a longer period of time.
- the foam layer 3 can be either laminated to or extruded onto the paper stock 2.
- a gas containing film such as CA-20 manufactured by Sealed Air Corporation or other may be used.
- a blowing agent is mixed into the polymer prior to extrusion. The incorporated blowing agent creates gas pockets within the film during the extruding process.
- the extrusion method offers the additional advantage of creating the product in one operational step.
- the insulating foam layer 3 is preferably between 2 and 30 lbs/3300 f , and more preferably between 5 and 15 lbs/ 3300 ft .
- the density of the film is preferably between 1.0 and 3.0 lbs/ft3.
- the thickness of the insulating gas containing foam layer 3 is preferably between 5 and 30 mils, and more preferably between 10 and 20 mils.
- the foam layer 3 can be a gas containing film layer formed from a continuous single layer or lamination of films and foam.
- FIG. 3 is a cross sectional view of a container wall according to a second embodiment of the present invention.
- a film layer 4 is extruded, laminated, or coated in a position between the foam containing layer 3 and the beverage containing space 11.
- the foam layer 3 is therefore interposed between the paper stock 2 and the film layer 4.
- the film layer 4 will hereinafter be referred to as a PE layer 4.
- the PE layer 4 can be used as a barrier against moisture transmission and aids in seam sealing during container construction.
- the foam layer 3 is first formed and then it is melt extruded, laminated or melt fused to the surface of the paper stock 2.
- the residual moisture held within the paper stock 2 which is characteristically relied upon in the related art, is not relied upon as the mechanism for creating the foam layer 3.
- the foam can also be extruded to the paper stock 2, but in each instance the foaming is created by mixing a blowing agent into the polymer prior to extrusion or foam creation.
- the incorporated blowing agent creates gas pockets within the film during the extruding process.
- the extruded method offers the advantage of directly creating the product in one operational step.
- the foam layer 3 can also be treated in order to accept or conform with various printing inks.
- the foam layer 3 can be treated by various means well known in the industry such as, but not limited to: corona treatment, flame treatment, ozone treatment, coatings, etc.
- FIG. 4 is a cross sectional view of a container wall according to a third embodiment of the present invention.
- a PE layer 4 is extruded, laminated, or coated in a position interposed between the foam containing layer 3 and the paper stock 2.
- PE layer 4 can also be used as a barrier against moisture transmission and aids in seam sealing during container construction.
- the PE layer 4 although not limited to, can be formed from any of the following exemplary materials: high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), orientated polypropylene (OPP), etc.
- HDPE and LDPE are desirable materials in a preferred embodiment of the present invention.
- Additives may also be included to enhance various material properties or to aid in the manufacturing process. These additives include, but are not limited to, any of the following exemplary additives: ethylene vinyl acetate (EVA), ethylene vinyl alcohol (EVOH), and plasticizers.
- EVA ethylene vinyl acetate
- EVOH ethylene vinyl alcohol
- plasticizers plasticizers
- FIG. 5 is a cross sectional view of a container wall according to a fourth embodiment of the present invention.
- a PE layer 4 has been applied to an outside surface of the paper stock 2.
- the PE layer 4 can be laminated, extruded or coated onto the paper stock surface.
- the PE layer 4 also serves a barrier to the beverage or food placed within the container, and can also serve as a sealing mechanism.
- the PE layer 4 could be applied as the innermost layer, e.g. closest to the beverage containing space 11.
- additional PE layers 4 can be applied to either the inside or outside surfaces of the container wall 1 as desired to add additional barriers to the liquid or heat sealed within the container.
- the PE layer 4 can be applied to the paper stock or over the foam.
- a preferred coating material for additional coating layers for the present invention is an expanding foam.
- This expanding foam material is encapsulated isobutane in a polymeric shell.
- the expanding foam capsules are added to the coating with a small diameter.
- the encapsulated isobutane changes from a liquid to a gas and the polymeric shell expands with the appropriate volumetric change.
- the resulting expanded spheres or cavities have a very low density and low thermal conductivity. Expanded foam also has the advantage of creating a rough surface that will further reduce the contact area between layers in the container wall and therefore reduce heat transfer. A thin layer of the expanding foam coated onto the paper stock exterior is especially useful for roughening or for texturing to aid in gripping the container.
- a preferred coating is a foamed coating.
- Foamed coating is a coating that utilizes entrained air. The dispersed air in the coating provides a low coating density and low thermal conductivity. The foamed coating also accepts and is easily processed to achieve surface modification. The foamed coating will therefore allow a rough or perforated surface to be created through the means of an embosser, press or other mechanical device.
- Foam coating also has the ability to be used as a single coating, or may also act as the insulating coating and a printing coating simultaneously, depending on the application and desires of the end user.
- the selected coating materials for the insulating coating are dispersed in an aqueous system with additional components added as necessary to provide ease of processing and application. Pigments such as silica, calcium carbonate, clay and synthetic pigments may be also used. [0054] Binders are included to adhere the coating to the paper substrate.
- Typical binders may be selected from, but are not limited to, poly vinyl alcohol, SBR latex, starch, poly acrylates and other binders well known in the related art.
- Other additives may be included in the coating to aid in dispersion, rheology and coating handling. These additives include, but are not limited to, defoamers, dispersants, wetting agents, conductive polymers, styrene malefic anhydride, thickeners, etc.
- An insulating coating can be applied that is between 2 and 30 lbs /
- a preferred thickness of the insulating coating is between 1 and 15 mils, most preferably between 3 and 10 mils.
- Grischchenko et al.; and 6,085,970 to Sadlier although directed toward distinct insulating container coatings and fabrication processes from that of the present invention, generally describe many of the manufacturing coating, heating and assembling processes that are commonly utilized in the paper cup/container stock art. The details of these coatings, heating and assembling processes are herein incorporated by reference to the present invention.
- the preferred embodiments depicted in the accompanying figures are directed toward the application of a foam layer 3 toward or along the interior surface of a container (e.g. beverage-side of the container).
- a container e.g. beverage-side of the container
- the foam layer 3 can be alternatively, or in combination with the PE film layer 4, applied along the exterior surface of the container.
- the inventors of the present invention have discovered highly favorable, and heretofore unexpected, results when testing was conducted of the various preferred embodiments of the present invention.
- a beverage container 10 constructed with a container wall 1 having the construction shown in FIG. 3 has demonstrated extraordinary hold times, moisture inhibition and resistance to vapor transmission.
- hold times are significantly increased with the embodiment shown in FIG. 3 as compared to providing a moisture foam layer 3 blown on the outside surface of the paper stock 2, such as the PerfecTouchTM cup sold by Georgia PacificTM.
- a quantitative measurement of the ability of a paper stock to withstand heat transfer between the beverage containing space and the outermost surface of the container is often referred to as hold time.
- the heat of the beverage e.g. coffee
- the heat of the beverage contributes to heating and vaporizing of the residual moisture in the paper stock. Accordingly, how long one can comfortably hold the hot container 10, e.g. hold time, is significantly reduced.
- FIG. 3 is a graphical view of experimental data representing actual and comparative hold times for embodiments of the present invention and commercial available products.
- Figure 7 is a cross sectional view of an insulating beverage container sleeve 12 according to the present invention.
- Figure 8 is a cross-sectional view of an insulated beverage container wall 1 or beverage container sleeve wall 1 according to another embodiment of the present invention.
- an insulating beverage container sleeve 12 can readily incorporate any of the applicable embodiments of beverage container stock material (container v/all) 1 shown in the accompanying drawings.
- An insulating beverage container sleeve 12 is often slipped over the outer surface of a beverage container such as that shown in FIG. 1.
- an intermediate layer 5 is provided between the paper stock 2 and foam layer 3.
- the intermediate layer 5 is applied to the paper stock as an extrusion, lamination, or coating.
- the purpose of the layer is to adhere the gas containing film layer 3 to the paper stock 2.
- the intermediate layer 5 can also be utilized as a barrier to moisture transmission and as an aid in seam sealing during sleeve construction.
- Typical materials used for intermediate layer 5 include, but are not limited to: high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDP), orientated polypropylene(OPP); and adhesives, such as hot melt adhesives, water based adhesives and solvent based adhesives, etc.
- HDPE high density polyethylene
- LDPE low density polyethylene
- LLDP linear low density polyethylene
- OPP orientated polypropylene
- adhesives such as hot melt adhesives, water based adhesives and solvent based adhesives, etc.
- Additives known in the industry may be included to enhance certain properties or aid in processing and may include, but are not limited to: ethylene vinyl acetate (EVA), ethylene vinyl alcohol (EVOH), and plasticizers.
- Exterior layer 4 is applied to the paper stock to provide a surface which may have the following properties depending on end use, including but not limited to: materials accepting high quality graphics and printing inks, materials providing tactile feel, materials that change color with temperature, materials providing seam sealing capabilities, and materials providing a more secure gripping surface, etc.
- the sleeve 12 construction may be preferentially oriented with the foam material 3 toward the cup 11 surface and the paper surface 2, 4 facing outward, e.g. visible to the user. However, the sleeve construction can be inverted with the foam on the exterior and the paper surface(s) 2, 4 facing inwardly toward the cup/container 11 wall.
- FIG. 6 is a graphical view of experimental data representing actual and comparative hold times for embodiments of the present invention and commercial available products.
- FIG. 6 shows experimental hold times (measured in seconds) achieved for different samples.
- the various samples or beverage containers were filled with approximately 230 ml of water at approximately 90 ° C (194 ° F pour temperature).
- Sample S2 is a container known as Insulair having a
- Sample S5 is a 10 pt foam 18 pt base paper laminate.
- S6 is a 20 point foam 18 pt base paper laminate.
- S7 is a 30 pt foam 18 pt base paper laminate.
- Sample S9 is a paper stock with a moisture blow polyethylene exterior such as the PerfecTouch TM container available from Fort James.
- Sample S 10 is an 18 pt paper cup.
- Sample S12 is a laminate foam 18 pt base with 20 pt polyethylene foam.
- Sample 14 is an 18 pt paper with a 37 pt sleeve utilizing MicroPearlTM coated on the exterior.
- Sample S16 is a 18 pt paper with a 20 pt laminated polyethylene foam.
- Table I provides experimental test results of insulated cup hold 'time studies conducted at a pour temperature of 90 °C and with approximately 230 ml. of water. Table I is directed toward the test results of the various samples. The various samples were rinsed out after each test with ambient water.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Laminated Bodies (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Tea And Coffee (AREA)
- Wrappers (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
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KR10-2003-7016453A KR20040017234A (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container |
MXPA03006045A MXPA03006045A (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container. |
JP2003505236A JP2004532775A (en) | 2001-06-18 | 2002-06-07 | Insulated container for beverage or food |
DE60209350T DE60209350T2 (en) | 2001-06-18 | 2002-06-07 | ISOLATED BEVERAGE OR FOOD CONTAINER |
CA2431869A CA2431869C (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container |
NZ527511A NZ527511A (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container |
EP02741844A EP1404590B2 (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container |
BRPI0206196-1A BR0206196B1 (en) | 2001-06-18 | 2002-06-07 | Isolated container for drink or food. |
IL15610802A IL156108A0 (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container |
AU2002314917A AU2002314917B2 (en) | 2001-06-18 | 2002-06-07 | Insulated beverage or food container |
IL156108A IL156108A (en) | 2001-06-18 | 2003-05-26 | Insulated beverage or food container |
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US29838601P | 2001-06-18 | 2001-06-18 | |
US60/298,386 | 2001-06-18 | ||
US09/923,332 US6811843B2 (en) | 2001-04-05 | 2001-08-08 | Insulated beverage or food container |
US09/923,332 | 2001-08-08 |
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WO2002102682A1 true WO2002102682A1 (en) | 2002-12-27 |
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PCT/US2002/018416 WO2002102671A1 (en) | 2001-06-18 | 2002-06-11 | Insulated beverage or food container |
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PCT/US2002/018416 WO2002102671A1 (en) | 2001-06-18 | 2002-06-11 | Insulated beverage or food container |
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US (2) | US6811843B2 (en) |
EP (2) | EP1404590B2 (en) |
JP (2) | JP2004532775A (en) |
KR (2) | KR20040017234A (en) |
CN (2) | CN1219685C (en) |
AT (2) | ATE318241T1 (en) |
AU (2) | AU2002314917B2 (en) |
BR (2) | BR0206196B1 (en) |
CA (2) | CA2431869C (en) |
DE (2) | DE60209350T2 (en) |
DK (2) | DK1404590T3 (en) |
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MX (2) | MXPA03006045A (en) |
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