KR970704609A - 다층 용기(Multi-Layer Containers) - Google Patents
다층 용기(Multi-Layer Containers) Download PDFInfo
- Publication number
- KR970704609A KR970704609A KR1019970700016A KR19970700016A KR970704609A KR 970704609 A KR970704609 A KR 970704609A KR 1019970700016 A KR1019970700016 A KR 1019970700016A KR 19970700016 A KR19970700016 A KR 19970700016A KR 970704609 A KR970704609 A KR 970704609A
- Authority
- KR
- South Korea
- Prior art keywords
- preform
- thickness
- layer
- inner layer
- container
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 claims abstract 11
- 238000000071 blow moulding Methods 0.000 claims abstract 5
- 238000002347 injection Methods 0.000 claims abstract 4
- 239000007924 injection Substances 0.000 claims abstract 4
- 239000000463 material Substances 0.000 claims 13
- 238000000034 method Methods 0.000 claims 13
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims 2
- 238000001125 extrusion Methods 0.000 claims 2
- 238000001746 injection moulding Methods 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 2
- 229920003023 plastic Polymers 0.000 claims 2
- 239000004033 plastic Substances 0.000 claims 2
- -1 polyethylene terephthalate Polymers 0.000 claims 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Classifications
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- 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
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/02—Linings or internal coatings
-
- 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
- B32B27/08—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 synthetic resin
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- 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
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
- B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
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- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0722—Preforms or parisons characterised by their configuration having variable wall thickness at neck portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0723—Preforms or parisons characterised by their configuration having variable wall thickness at flange portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0724—Preforms or parisons characterised by their configuration having variable wall thickness at body portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0725—Preforms or parisons characterised by their configuration having variable wall thickness at bottom portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
- B29C2949/0731—Preforms or parisons characterised by their configuration having variable diameter at neck portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
- B29C2949/0732—Preforms or parisons characterised by their configuration having variable diameter at flange portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
- B29C2949/0733—Preforms or parisons characterised by their configuration having variable diameter at body portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0772—Closure retaining means
- B29C2949/0773—Threads
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0777—Tamper-evident band retaining ring
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3008—Preforms or parisons made of several components at neck portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3008—Preforms or parisons made of several components at neck portion
- B29C2949/3009—Preforms or parisons made of several components at neck portion partially
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3012—Preforms or parisons made of several components at flange portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3016—Preforms or parisons made of several components at body portion
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/302—Preforms or parisons made of several components at bottom portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
- B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3032—Preforms or parisons made of several components having components being injected
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3041—Preforms or parisons made of several components having components being extruded
- B29C2949/3042—Preforms or parisons made of several components having components being extruded having two or more components being extruded
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
- B29K2105/25—Solid
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/26—Scrap or recycled material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0065—Permeability to gases
- B29K2995/0067—Permeability to gases non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0068—Permeability to liquids; Adsorption
- B29K2995/0069—Permeability to liquids; Adsorption non-permeable
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- 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
- B32B2329/00—Polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals
- B32B2329/04—Polyvinylalcohol
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- 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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
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- 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
- B32B2439/70—Food packaging
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- 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
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Abstract
다층 용기를 형성하기 위한 압출 다층 예비 성형물(10)은 용기의 상부를 형성할 수 있는 제1두께를 갖는 상부(12), 상기 제1두께보다 두터운 부분으로서 용기의 중간 몸체부를 형성할 수 있는 제2두께를 갖는 중간부(14), 상기 제2두께보다 두터운 부분으로서 용기의 기저부를 형성할 수 있는 제3두께를 갖는 기저부(18)를 포함한다. 상기 예비 성형물의 부분들은 적합하게는 내층 및 장벽층으로 형성되고, 상기 층들은 상기 예비 성형물 및 사출 성형된 외층을 형성하도록 동기 압출된다. 한 실시예에서, 상기 내층은 장벽층 및 외층의 상부 모서리를 덮는 립을 포함한다. 상기 다층 용기는 따라서 상기 예비 성형물을 취입 성형함으로써 형성될 수있다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 원리에 따르는 예비 성형물의 입면도.
제1A도, 제2A도 및 제1C도 는 예비 성형물의 여러영역 사이의 층 두께의 상대적 변화를 도시하고 있는 제1도의 성형물의 다양한 영역에 대한 확대 단면도.
제1D도는 본 발명의 원리에 따르는 제1도의 예비 성형물의 상단부에 대한 확대 단면도.
Claims (29)
- 용기를 취입 성형하기 위한 다층 예비 성형물에 있어서, 제1두께를 갖고 용기의 상부로 형성되도록 만들어진 상부(12), 상기 제1두께보다 두터운 제2두꼐를 가지며, 상기 상부에 사실상 인접해 있고 용기의 중간부로 형성되도록 만들어진 중간부(14,16), 상기 제2두께보다 제3두께를 가지며, 상기 중간부에 사실상 인접해 있고 용기의 기저부로 형성되도록 만들어진 기저부(18)를 구비하며, 공동을 형성하는 압출된 원형 내층(920)과, 상기 내층에 사실상 인접해서 위치한 외부 사출 성형된 층(24)을 포함하는 것을 특징으로 하는 다층 예비 성형물.
- 제1항에 있어서, 상기 예비 성형물은 또한 외층 및 내층 사이에 배치된 압출 재료 장벽층(22)도 포함하며, 상기 장벽층이 상기 내층과 동기 압출된 것을 특징으로 하는 다층 예비 성형물.
- 제1항에 있어서, 상기 내층 및 외층은 상부 모서리(28,32)를 가지며, 상기 내층의 상부 모서리는 외층이 상부 모서리를 덮는 것을 특징으로 하는 다층 예비 성형물.
- 제3항에 있어서, 상기 내층(28)의 상부 모서리는 상기 내층을 포함하는 부분을 사실상 횡단해서 상기 외층의 상부 모서리 위로 연장되는 것을 특징으로 하는 예비 성형물.
- 제1항에 있어서, 상기 외층(24)은 재생 플라스틱으로 형성되고, 상기 내층(20)은 폴리에틸렌 테레프탈레이트로 형성되는 것을 특징으로 하는 예비 성형물.
- 제1항에 있어서, 상기 예비 성형물은 에틸렌 비닐 알코올 공중합체로 된 장벽층을 포함하는 것을 특징으로 하는 예비 성형물.
- 제1항에 있어서, 사출 성형된 외층(24)은 내층 상부에 인접하는 나사 상부(12)를 포함하는 것을 특징으로 하는 예비 성형물.
- 제1항에 있어서, 상기 외층은 색깔이 있는 것을 특징으로 하는 예비 성형물.
- 길이를 따라서 길이 차와 두께 차를 갖는 다층 예비 성형물을 형성하는 방법에 있어서, 재료 두께 조절수단(38)을 갖는 압출 수단을 제공하는 단계와, 상기 압출 수단을 통해서 재료의 한 내층(20)을 갖는 예비 성형물 라이너(37)를 압출시키는 단계와, 상기 두께 조절 수단을 통해서 예비 성형물 라이너의 길이를 따라 사실상 압출시키는 단계 동안에 내층의 두께를 변화시키는 단계, 및 재료의 외층(24)을 내층에 인접하도록 사출 성형시키는 단계를 포함하는 것을 특징으로 하는 방법.
- 제9항에 있어서, 예비 성형체 라이너(37)를 취입 성형기(52)를 통해서 예비 성형물의 형상으로 형성시키는 단계도 포함하는 것을 특징으로 하는 방법.
- 제9항에 있어서, 상기 압출 단계가 상기 내층(20)에 인접해서 재료의 장벽층(22)을 동시 압출시키는 단계를 포함하는 것을 특징으로 하는 방법.
- 제9항에 있어서, 상기 예비 성형물 라이너가 제1단부 및 주연부를 가지며, 상기 방법이 상기 제1단부상에 립(28)을 형성하는 단계를 포함하며, 상기 립은 상기 라이너의 위로 연장되는 것을 특징으로 하는 방법.
- 제12항에 있어서, 상기 성형 단계가 상기 예비 성형물 주연 너머로 연장된 내부 라이너의 주연상에 리지(48)를 압출시키는 단계와, 상기 예비 성형물의 상기 제1단부위에 립을 형성하기 위해 리지를 통해서 상기 예비 성형물 라이너를 절삭하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제13항에 있어서, 상기 외층이 상부 모서리를 가지며, 상기 방법이 예비 성형물 라이너를 사출 주형(56)으로 삽입하는 단계와, 상기 모서리가 사실상 상기 제1단부에 인접해서 놓여있고 상기 상부 모서리 위로 연장되도록 상기 예비 성형물에 인접한 재료의 외층(24)을 성형하는 사출 성형단계를 포함하는 것을 특징으로 하는 방법.
- 제9항에 있어서, 상기 예비 성형물의 내층(920)은 상부(12), 중간부(14,16) 및 기저부(18)을 포함하며, 상기 방법은, 상부의 제1폭에 맞게 재료 조절 수단(38)을 조절하는 단계와, 상기 제1폭보다 두터운 중간부의 제2폭에 맞게 주께 조절 수단(38)을 조절하는 단계와, 상기 제2폭보다 두터운 기저부와 제3폭에 맞게 재료 조절 수단(38)을 조절하는 단계를 포함하는 것을 특징으로 하는 방법.
- 재료 내층(68)과 내층(72)으로 형성되며 내층(68)은 적어도 상부 벽부에서 제1두께를갖는 상부 벽부(60)와 , 적어도 재료의 내층(68)과 내층(72)으로 형성되며 상부 벽부의 제1두께보다 얇고 상기 상부 벽부에 인접해서 배치되는 제2두께의 중간 벽부를 적어도 외층 및 내층으로 형성된 중간 벽부(62,64)와, 적어도 재료의 내층(68) 및 외층(72)으로 형성되고 재료의 내층은 중간 벽부와 상기 제2기저부의 벽부보다 기저부 벽부가 두터운 제3벽부를 가지며 상기 기저부 벽부는 상기 중간 벽부에 인접해서 위치하며 상기 용기를 지지하도록 형성되는, 발이 있는 기저부 벽부(66)를 포하마는 것을 특징으로 하는 다층 용기.
- 제16항에 있어서, 상기 용기는 에틸렌 비닐 알코올 공중합체로된 장벽층(72)을 포함하는 것을 특징으로 하는 다층 용기.
- 제16항에 있어서, 상기 재료의 내층(68)은 폴리에틸렌 테레프탈레이트로 형성되고 상기 외층(72)은 재생 플라스틱으로 형성되는 것을 특징으로 하는 다층 용기.
- 제16항에 있어서, 상기 내층(68) 및 외층(72) 사이에 위치한 장벽층(70)을 포함하는 것을 특징으로 하는 다층 용기.
- 제19항에 있어서, 상기 장벽층(70)이 압출된 것을 특징으로 하는 다층 용기.
- 제19항에 있어서 상기 장벽층(70)이 사실상 균일한 두께인 것을 특징으로 하는 다층 용기.
- 제16항에 있어서, 상기 용기는 상단부를 가지며 상기 내층 및 외층은 사실상 상기 상단부에 인접한 상부 모서리를 가지며, 상기 내층의 상부 모서리는 상기 외층의 상부 모서리를 덮는 것을 특징으로 하는 다층 용기.
- 제16항에 있어서, 상기 내층은 압출되어서 취입 성형되고 상기 외층은 사출 성형되어서 취입 성형되는 것을 특징으로 다층 용기.
- 제16항에 있어서, 상기 제3두께는 상기 제1두께와 사실상 동일한 것을 특징으로 하는 다층 용기.
- 제16항에 있어서, 상기 제3두께는 사실상 상기 제1두께보다 사실상 큰 것을 특징으로 하는 다층 용기.
- 길이를 따라서 길이 및 두께차를 갖는 다층 용기를 형성하는 방법에 있어서, 재료 두께 조절 수단(38)을 갖는 압출 수단(30)을 제공하는 단계와, 상기 압출 수단을 통해서 적어도 재료의 한 내층(20)을 갖는 예비 성형물 라이너(37)를 압출하는 단계와, 생기 두께 조절 수단을 통해서 예비 성형물 라이너의 길이를 따라 사실 상 압출시키는 단계 동안에 내층의 두께를변화시키는 단계, 및 재료의 외층(24)을 내층에 인접하도록 사출 성형시키고 상기 예비 성형물을 형성하는 단계와, 상기 예비 성형물을 용기(58)로 취입 성형하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제26항에 있어서, 상기 압출 단계가 또한 재료의 장벽층(22)을 상기 내층(20)에 인접하게 동시 압출시키는 단계를 포함하는 것을 특징으로 하는 방법.
- 제26항에 있어서, 상기 예비 성형물 라이너(37)의 내층은 상부(12), 중간부(14,16) 및 기저부(18)를 포함하며, 상기 방법은 또한, 상부의 제1폭에 맞게 재료 두께 수단(48)을 조절하는 단계와, 상기 제1폭보다 두터운 중간부의 제2폭에 맞게 재료 두께 조절수단(38)을 조절하는 단계와, 상기 제2폭보다 두터운 기저부의 제3폭에 맞게 재료 두께 조절 수단(38)을 조절하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제28항에 있어서, 상기 취입 성형 단계는 또한, 상기 예비 성형물(37)의 상부(12)를 취입 주형에서 자유롭게 유지하고 제1두께를 갖는 용기의 상부 벽부를 형성하는 단계와, 상기 중간부(14,16)를 상기 상부 벽부보다 얇은 제2두께를 갖는 용기(58)의 중간 벽부(62,64)로 취입하는 것과, 상기 기저부(18)를 상기 중간 벽부보다 두터운 제3두께를 갖는 용기(58)의 기저부(66)에 취입하는 것을 포함하는 것을 특징으로 하는 방법.※ 참고 사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US8/271,088 | 1994-07-06 | ||
US08/271,088 | 1994-07-06 | ||
US08/271,088 US5464106A (en) | 1994-07-06 | 1994-07-06 | Multi-layer containers |
PCT/US1995/007631 WO1996001213A1 (en) | 1994-07-06 | 1995-06-16 | Multi-layer containers |
Publications (2)
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KR970704609A true KR970704609A (ko) | 1997-09-06 |
KR100282134B1 KR100282134B1 (ko) | 2001-02-15 |
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US (5) | US5464106A (ko) |
EP (1) | EP0768975B1 (ko) |
JP (1) | JP2939509B2 (ko) |
KR (1) | KR100282134B1 (ko) |
CN (1) | CN1059168C (ko) |
AT (1) | ATE195917T1 (ko) |
AU (3) | AU684372B2 (ko) |
BR (1) | BR9508709A (ko) |
CA (1) | CA2193656C (ko) |
CZ (1) | CZ289041B6 (ko) |
DE (1) | DE69518652T2 (ko) |
ES (1) | ES2153039T3 (ko) |
GE (1) | GEP19992265B (ko) |
HU (1) | HU221547B (ko) |
IL (3) | IL114288A (ko) |
MX (1) | MX9700013A (ko) |
NO (1) | NO970019L (ko) |
NZ (1) | NZ288500A (ko) |
PE (2) | PE38695A1 (ko) |
PL (1) | PL179173B1 (ko) |
PT (1) | PT768975E (ko) |
RO (1) | RO120060B1 (ko) |
RU (1) | RU2133699C1 (ko) |
TW (2) | TW276214B (ko) |
UA (1) | UA28068C2 (ko) |
WO (2) | WO1996001213A1 (ko) |
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-
1994
- 1994-07-06 US US08/271,088 patent/US5464106A/en not_active Expired - Lifetime
-
1995
- 1995-03-09 US US08/401,162 patent/US5688572A/en not_active Expired - Lifetime
- 1995-03-09 US US08/401,423 patent/US5674448A/en not_active Expired - Lifetime
- 1995-05-31 US US08/455,557 patent/US5676267A/en not_active Expired - Lifetime
- 1995-06-16 RU RU97102105A patent/RU2133699C1/ru not_active IP Right Cessation
- 1995-06-16 JP JP50387896A patent/JP2939509B2/ja not_active Expired - Fee Related
- 1995-06-16 UA UA97020487A patent/UA28068C2/uk unknown
- 1995-06-16 NZ NZ288500A patent/NZ288500A/en not_active IP Right Cessation
- 1995-06-16 AT AT95923071T patent/ATE195917T1/de not_active IP Right Cessation
- 1995-06-16 EP EP19950923071 patent/EP0768975B1/en not_active Expired - Lifetime
- 1995-06-16 AU AU27749/95A patent/AU684372B2/en not_active Ceased
- 1995-06-16 PL PL95318173A patent/PL179173B1/pl not_active IP Right Cessation
- 1995-06-16 PT PT95923071T patent/PT768975E/pt unknown
- 1995-06-16 KR KR1019970700016A patent/KR100282134B1/ko not_active IP Right Cessation
- 1995-06-16 RO RO97-00006A patent/RO120060B1/ro unknown
- 1995-06-16 WO PCT/US1995/007631 patent/WO1996001213A1/en active IP Right Grant
- 1995-06-16 DE DE69518652T patent/DE69518652T2/de not_active Expired - Fee Related
- 1995-06-16 CZ CZ199716A patent/CZ289041B6/cs not_active IP Right Cessation
- 1995-06-16 MX MX9700013A patent/MX9700013A/es unknown
- 1995-06-16 GE GEAP19953568A patent/GEP19992265B/en unknown
- 1995-06-16 BR BR9508709A patent/BR9508709A/pt not_active IP Right Cessation
- 1995-06-16 ES ES95923071T patent/ES2153039T3/es not_active Expired - Lifetime
- 1995-06-16 CN CN95193933A patent/CN1059168C/zh not_active Expired - Fee Related
- 1995-06-16 HU HU9603594A patent/HU221547B/hu not_active IP Right Cessation
- 1995-06-16 CA CA 2193656 patent/CA2193656C/en not_active Expired - Lifetime
- 1995-06-23 IL IL114288A patent/IL114288A/en not_active IP Right Cessation
- 1995-06-23 IL IL11428795D patent/IL114288A0/xx unknown
- 1995-06-23 IL IL11428795A patent/IL114287A/en not_active IP Right Cessation
- 1995-06-27 AU AU29530/95A patent/AU2953095A/en not_active Abandoned
- 1995-06-27 WO PCT/US1995/008201 patent/WO1996001210A1/en active Application Filing
- 1995-07-03 TW TW84106819A patent/TW276214B/zh active
- 1995-07-05 ZA ZA955596A patent/ZA955596B/xx unknown
- 1995-07-05 ZA ZA955597A patent/ZA955597B/xx unknown
- 1995-07-06 TW TW84106961A patent/TW276210B/zh active
- 1995-07-06 PE PE27315495A patent/PE38695A1/es not_active Application Discontinuation
- 1995-07-12 PE PE27315595A patent/PE46896A1/es not_active Application Discontinuation
- 1995-11-02 US US08/552,076 patent/US5645183A/en not_active Expired - Lifetime
-
1997
- 1997-01-03 NO NO970019A patent/NO970019L/no unknown
- 1997-07-31 AU AU32407/97A patent/AU692126B2/en not_active Ceased
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