WO2004016510A1 - ブロー成形品 - Google Patents
ブロー成形品 Download PDFInfo
- Publication number
- WO2004016510A1 WO2004016510A1 PCT/JP2003/009955 JP0309955W WO2004016510A1 WO 2004016510 A1 WO2004016510 A1 WO 2004016510A1 JP 0309955 W JP0309955 W JP 0309955W WO 2004016510 A1 WO2004016510 A1 WO 2004016510A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blow
- molded article
- layer
- resin
- laminated structure
- Prior art date
Links
- 238000000071 blow moulding Methods 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims description 42
- 239000011347 resin Substances 0.000 claims description 42
- -1 polyethylene terephthalate Polymers 0.000 claims description 34
- 238000005520 cutting process Methods 0.000 claims description 30
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 30
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 30
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 7
- 239000000057 synthetic resin Substances 0.000 claims description 7
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 66
- 230000000052 comparative effect Effects 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N butyl alcohol Substances CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 125000006839 xylylene group Chemical group 0.000 description 3
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229940087305 limonene Drugs 0.000 description 2
- 235000001510 limonene Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006350 polyacrylonitrile resin Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 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
- 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
- B65D1/0261—Bottom construction
- B65D1/0276—Bottom construction having a continuous contact surface, e.g. Champagne-type bottom
-
- 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
- B29C49/04118—Means for supporting the extruded parison
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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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
- B29C49/4817—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity with means for closing off parison ends
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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
- B29C2949/0715—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
- B29C2949/0723—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
- B29C2949/073—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
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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
- B29C2949/075—Preforms or parisons characterised by their configuration having at least one internal separating wall
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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
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- 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
- B29C2949/0774—Interrupted 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
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- 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
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- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/082—Diameter
- B29C2949/0822—Diameter of the neck
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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
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/082—Diameter
- B29C2949/0826—Diameter of the body
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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
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/082—Diameter
- B29C2949/0827—Diameter of the bottom
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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
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/0829—Height, length
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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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer 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
- B29C2949/30—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
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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
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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
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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
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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
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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
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- 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
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- 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
- B29C2949/303—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 having more than three 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
- B29C2949/3041—Preforms or parisons made of several components having 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
- 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
- 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
- B29C2949/3044—Preforms or parisons made of several components having components being extruded having two or more components being extruded having three or more components being extruded
- B29C2949/3046—Preforms or parisons made of several components having components being extruded having two or more components being extruded having three or more components being extruded having more than three components being extruded
-
- 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
- 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
- B29C49/06—Injection blow-moulding
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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
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
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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
- B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
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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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
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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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/18—Polymers of nitriles
- B29K2033/20—PAN, i.e. polyacrylonitrile
-
- 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
- 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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0022—Bright, glossy or shiny surface
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- 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
- B29L2031/7158—Bottles
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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
- 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]
Definitions
- the present invention relates to a blow-molded molded product, particularly a molded product molded by a direct blow method.
- a molten resin is extruded by an extruder to form a hollow cylinder.
- a ribson is formed, sandwiched between two split molds for blow molding, and clamped, and melted at the bottom pinch-off section including the blade located at the bottom of the cavity of the split mold.
- the lower part of the resin is cut and heat-sealed, and the upper part of the mold is cut with a Norison cutter to cut the upper part of the cylindrical molten resin to form a bottomed parison.
- a molded product is manufactured by blowing blow air into the parison with the force of the air nozzle inserted from the top.
- the direct blow molding method for producing a molded article by the above-described series of steps is less expensive than the injection molding method or the biaxial stretch blow molding method using an injection-molded preform. Since a molded product can be provided, and a multilayer structure can be easily achieved by forming Norrisson in multiple layers, it is possible to respond to various demands that are difficult with a single layer.
- Japanese Patent Application Laid-Open No. 2001-170994 discloses a technique of performing biaxial stretch blow molding using a direct blow molded product as a preform.
- the preform can be formed without using a single core mold and without considering the undercut property when molding the preform.
- it is possible to easily produce a laminated type biaxially stretched blow-molded product by molding a multi-layered rison, for example, a biaxially stretched biaxially stretched molded product having a gas barrier layer as an intermediate layer.
- a stretched polyethylene terephthalate resin (hereinafter abbreviated as “PET”) container can be easily obtained.
- the pinch-off portion is outright bite line is formed, and forming the width of the eating-away line is generally cylindrical flattened crushed width parison, the outer diameter D P of Roh Rison [pi / Double (where ⁇ represents the pi), that is, about 1.6D P.
- large blow ratios such as small containers used for mascara, eyeliners, etc., wide-mouthed containers with a larger mouth diameter than the body, or containers made of a material with small stretchability are used.
- the resin protrudes and forms burrs.
- the torso may also be exposed and the cut line may be extended, causing a problem in appearance.
- the present invention has been made in order to solve the above-mentioned problems of the prior art, and has a small thickness unevenness and stretch unevenness in the vicinity of the bottom by a direct blow molding method.
- the main purpose is to propose a container in which the formation of lines is limited to the vicinity of the center of the bottom surface.
- a secondary object of the present invention is to provide a novel blow-molded article having excellent thickness uniformity, self-sustainability, and appearance.
- the present invention is obtained by a direct blow molding method, in which a cylindrical body is disposed above a bottom, and a cylindrical mouth is disposed above the body. It is characterized in that at least three cutting lines are formed by a bottom mold for pro-forming on the bottom of the pro-formed product radially from the center of the bottom surface.
- the bottom center force is also radial, for example, in the case of forming three cutting lines
- the mold is connected to the body.
- the main body split mold for forming the bottom and the mouth, and the bottom split mold force for forming the bottom are divided into three parts. While moving toward the central axis of the A parison is formed by pinching off the parison between the opposing surfaces.
- the present invention it is possible to form four or more cutting lines by increasing the number of divisions of the bottom parting die.
- the bottom shape of the parison before blowing can be dramatically isotropic when viewed in the circumferential direction.
- the uniformity of the thickness and stretch ratio at the bottom of the blow-molded product, particularly in the circumferential direction can be increased.
- the blow molded article according to the present invention has a uniform thickness in the vicinity of the bottom, particularly in the circumferential direction, so that it can be made thinner. Deformation with time after forming in the grounding part of the container is small, and the self-sustainability is good.
- the conventional split mold is divided into two parts, whereby the parison is sandwiched by the bottom pinch-off portion from a direction perpendicular to the parting line direction.
- the bottom of the container has a cutting line ⁇ ⁇ / 2 in the direction of the coating line through its center (where ⁇ is the pi and D P is the parison Outer diameter).
- the formation range of the cutting line when at least three lines are formed radially is, for example, limited to a circle having a diameter of ⁇ ⁇ / 3 in the case of three lines.
- the blow-molded product according to the present invention has a good appearance even in the case of a blow-molded product in which the blow ratio cannot be made large, such that the conventional two-piece split mold exposes the body and cut lines to the body. It can be.
- the number of cutting lines is determined by improving the uniformity of the shape of the container, the achievable bottom wall thickness and the like, and reducing the range of formation of the cutting lines, the production cost of the split mold, Taking into account the balance of moldability and the like using this die, it can be appropriately selected according to the purpose.
- the bite line is disposed at a substantially equal central angle.
- a more isotropic parison bottom shape can be obtained, pinch-off can be achieved more smoothly, and the uniformity of the bottom is higher!
- the four biting lines are arranged in a cross shape, that is, at an equal central angle of 90 °.
- the formation range of eating-away line can be a diameter limited to ⁇ ⁇ / 4 within a circle (approximately 0.8D P), it is sufficiently smaller than the diameter of Bruno Rison.
- eating-away line is suitably a diameter of the bottom surface concentric arranged in a circle of less than ⁇ ⁇ / 2.
- the width of the cut line is JtD P / 2 ( sl.6D P ) due to its formation mechanism, and the width cannot be narrower than this value.
- the container of the present invention having the above configuration is a novel blow molded product that has never been seen before. If three cutting lines are formed, for example, the range is ⁇ ) ⁇ / 3 ( ⁇ 1.0 Dp) If four cutting lines are formed, the diameter can be reduced to rtD P / 4 ( s0.8D P ).
- the blow-molded container according to the present invention is preferably one that has been biaxially stretched blow-molded.
- a container can be obtained by biaxial stretching pro-forming using a direct blow-molded product as a preform, but without using a core mold and without considering the undercut property, the injection molding process can be performed. Since preforms that cannot be obtained by reforming can be molded, it is possible to provide a biaxially stretched blow container having various shapes and uniform thickness and stretching. By forming the lithons in multiple layers, it is possible to easily manufacture laminated biaxially stretched blow containers.
- the walls of the blow molded product have a laminated structure.
- the wall By making the wall a laminated structure, it is possible to reliably obtain a container that can effectively exhibit the desired physical properties and characteristics, and because it is a direct blow molded product, a laminated structure that is easier to realize than injection molding can do.
- blow-molded products with a laminated wall structure it is possible to propose the various configurations listed below.
- At least a polyethylene terephthalate resin is used.
- a layered structure is composed of the layer that has been formed and a layer that uses polyethylene naphthalate (PEN) resin.
- PEN polyethylene naphthalate
- a laminated structure is constituted by at least an outer layer and an inner layer using a polyethylene terephthalate resin, and an intermediate layer using a gas barrier resin.
- a gas barrier resin any known resin such as a nylon resin such as nylon 6, nylon 66, or a polyamide containing xylylene group, an ethylene vinyl alcohol polymer, or a polyacrylonitrile resin may be used as the gas nori resin. Therefore, bottles with improved barrier properties against oxygen, carbon dioxide, etc. can be obtained by using PET resin alone.
- a laminated structure is composed of at least an outer layer using polyethylene or polypropylene and an inner layer using ethylene vinyl alcohol copolymer or polyethylene terephthalate resin.
- limonene, vitamins, and the like are prevented from being adsorbed among the active ingredients contained in the bottle.
- a laminated structure is composed of at least an outer layer using polyethylene or polypropylene, an intermediate layer using gas barrier resin, and an inner layer using polyethylene or polypropylene.
- a bottle with excellent oxygen barrier properties can be obtained.
- a laminated structure is composed of at least an outer layer and an inner layer using a virgin resin material, and an intermediate layer using a recycled resin material. It is possible to use it with confidence.
- a laminated structure is constituted by at least an outer layer and an inner layer formed of a synthetic resin having low compatibility with the synthetic resin forming the outer layer.
- a container consisting of a synthetic resin outer layer forming a fixed outer shell, and a synthetic resin inner layer forming an inner bag, which is detachably laminated to the outer layer, is formed.
- the container can be used as a so-called “lamination release container”.
- FIG. 1 is a semi-longitudinal sectional view showing a first embodiment of the blow molded product of the present invention.
- FIG. 2 is a bottom view of the container shown in FIG.
- FIGS. 3a, 3b and 3c are explanatory views showing a pinch-off process using a split mold for forming the container shown in FIG.
- FIG. 4 is a bottom view showing a second embodiment of the blow molded product of the present invention.
- FIGS. 5a and 5b are explanatory views showing a pinch-off process using a split mold for forming the container shown in FIG.
- FIG. 6 is an explanatory view showing a mold clamping step of a conventional direct blow molding method.
- FIG. 7 is a bottom view showing Comparative Example 1 which is a conventional example of a blow molded product.
- FIGS. 8a and 8b are explanatory views showing a pinch-off step using a split mold at the time of molding the container shown in FIG.
- FIGS. 9a and 9b are a side view and a bottom view showing a third embodiment of the blow molded product of the present invention.
- FIGS. 10a and 10b are a side view and a bottom view showing Comparative Example 2 which is a conventional blow-molded product.
- FIG. 11 is a graph showing the thickness distribution of the containers of the third embodiment and Comparative Example 2 in comparison.
- Figs. 12a and 12b are a front view and a bottom view showing a fourth embodiment of the blow molded product of the present invention.
- 13a and 13b are a front view and a bottom view showing Comparative Example 3 which is a conventional blow-molded product.
- 14a and 14b are a front view and a bottom view showing a blow-molded product according to a fifth embodiment of the present invention.
- FIG. 15 is an enlarged front view showing a part of the sixth embodiment of the present invention.
- FIG. 16 is a semi-longitudinal sectional view showing a part of a container obtained by biaxial stretch blow molding from the molded product of FIG.
- FIGS. 1 and 2 show a first embodiment of a blow-molded article according to the present invention.
- This molded product is a container 1 obtained by direct blow molding and having a cylindrical body 3 above a bottom 4 and a cylindrical mouth 2 above the bottom.
- Bottom 4 bottom The surface 5 has a concave central portion, and forms a leg 6 serving as a ground contact portion in a self-standing posture.
- Vessel 1 has a minimum outer diameter of mouth 2 of 24 mm, a diameter of body 3 of 65 mm, and a height of 210 mm.
- the bottom surface 5 has a cross-section formed by a bottom die and a cutting line 7, and its formation area is contained within a circle with a diameter of about 18 mm from the center of the bottom surface 5.
- FIG. 6 is an explanatory diagram showing the mold clamping process using a conventional two-piece split die in the direct blow molding method.
- the Norrison 11 is extruded from the extruder 21 through a die, and the parison 11 is sandwiched between two split molds 12 by mold clamping.
- the lower part of the molten resin is cut and sealed by heat welding at the pinch-off part 13 where the blade force is provided at the bottom of the mold.
- the upper part of the mold is cut with a parison cutter 14 to cut the upper part of the cylindrical molten resin.
- blow air is blown into the parison 11 by an air nozzle inserted from the top of the split mold 12 to perform blow molding.
- the portion forming the bottom 4 of the container 1 is divided into four parts.
- the cross-shaped cutting line 7 in the first embodiment can be formed.
- FIGS. 3a, 3b and 3c are explanatory views showing the pinch-off process of the parison 11 by the four-parted bottom split mold 15 having the pinch-off portion 13 each composed of a blade in a bottom view.
- the corner force of each of the four split bottom dies 15 comes into contact with the S parison 11 (Fig. 3a), and further moves in the direction of the central axis of the parison 11 (Fig. 3b).
- the pinch is pinched off (Fig. 3c), and as a result, a cross-shaped cutting line 7 is formed on the bottom surface 5 of the bottom 4 of the parison 11.
- the outer diameter of the parison 11 in the first embodiment is 22 mm, and the cross-shaped cutting line 7 is formed in a circle smaller than the outer diameter of the parison 11.
- the parting line direction 8 indicated by a two-dot chain line is the same as in the subsequent drawings, but indicates the parting line direction of the main body split mold described above.
- FIG. 4 is a bottom view of a blow-molded product according to a second embodiment of the present invention.
- the entire shape of the container 1 is the same as that of the first embodiment, but the bottom surface 5 is radially formed at an equicenter angle.
- Three bite lines are formed, and their formation range is approximately 24 mm in diameter from the center of the bottom surface 5 Within the circle.
- 5a and 5b are explanatory views showing a pinch-off process of the parison 11 by the three-parted bottom mold 15 from the bottom side.
- the cut and the cut line 7 are formed at the same central angle.
- the “radial” in this specification refers to a shape extending in a radial direction from a central point. Is not limited to the equicenter angle in the above embodiment.
- the central angle can be appropriately selected according to the purpose.
- the bottom mold 15 described above is used. From the viewpoint of exhibiting the centering function, it is preferable that the central angle between the adjacent biting lines 7 is less than 180 °.
- FIG. 7 shows the bottom surface of the container 1 according to Comparative Example 1, which is a conventional example of a blow-molded product.
- the container 1 of Comparative Example 1 has the same overall shape as that of the first embodiment, but has a cutting line extending on the bottom surface 5 in the direction of the parting line 8.
- a central force of the bottom surface 5 is about 35 mm in diameter. Formed within the range of the circle.
- FIGS. 8a and 8b are explanatory views showing the pinch-off step of the parison 11 by the split mold 12 divided into two parts, the bottom side force and the like.
- the parison 11 is D p / 2 (D p is the outside diameter of the risons) between the split molds 12. It is folded to a width equivalent to about 1.6 times the outer diameter of Lison 11.
- FIGS. 9a and 9b show a third embodiment of the blow molded product according to the present invention.
- the blow molded product is a test tubular molded product 9 having a shape with a neck ring 10 attached.
- the minimum outer diameter of the mouth 2 is 24 mm, and the diameter of the body 3 is approximately the center height from the upper end 24 mm. The diameter is reduced to the height of 22 mm, and the height is 105 mm.
- the bottom 4 of the molded article 9 has a hemispherical shell shape. On the surface 5, a cross-shaped cutting line 7 is formed within the area of the bottom 4.
- This molded article 9 is formed from a parison with an outer diameter of 18 mm.
- FIGs. 10a and 10b show Comparative Example 2 for comparing the third embodiment described above with a molded article of the same shape obtained by the conventional method.
- the cutting and cutting lines 7 are formed in the parting line direction 8, but since the resin greatly protrudes from the pinch-off portion, the cutting and cutting lines 7 extend beyond the range of the bottom 4 and extend to the body 3. Has been reached.
- Fig. 11 shows the shape of the bottom 4 at the position of 12 mm in height of the molded article 9 according to the third embodiment of the present invention shown in Figs. 9a and 9b and the comparative example 2 shown in Figs. 10a and 10b. It is a graph which showed the thickness distribution of the peripheral part.
- Comparative Example 2 the thickness tends to be relatively thick in the direction of the parting line 8 and thin in the direction perpendicular to the parting line 8, with a deviation of up to 1.82 mm.
- a large difference in wall thickness was observed on the left and right in the parting line direction 8, indicating that the centering accuracy of the parison during pinch-off was low.
- the wall thickness distribution of the molded article of the third embodiment is practically almost isotropic, and the maximum thickness deviation is 033 mm, which is 1/5 or less of the second comparative example.
- the molded article 9 of the third embodiment can be used as it is as a small container having a low blow ratio. However, since the molded article 9 is thick and has an extremely small uneven thickness, the molded article 9 is not used. It can also be used as a preform for shaft-extended blow molded products.
- FIGS. 12a and 12b show a fourth embodiment of the blow-molded article of the present invention.
- This blow molded product is a small container 1 obtained by direct blow molding, and has a shape in which a cylindrical body 3 is disposed above a bottom 4 and a cylindrical mouth 2 is disposed above the bottom.
- a cap having a brush with a shaft at the mouth 2 is screwed and used as a container body for mascara or eyeliner.
- Container 1 has a minimum outer diameter of mouth 2 of 10.5 mm, a diameter of body 3 of 15 mm and a height of 75 mm.
- a cutting line is formed in the shape of a cross on the bottom surface 5. Force The range of formation is within a circle with a diameter of about 9 mm.
- Figs. 12a and 12b and Figs. 13a and 13b described below show the state before the burr generation section 17 which is the portion of the excess resin protruding near the pinch-off section. Is shown.
- the container 1 of the fourth embodiment is blow-molded using a 10 mm Norrison, whose outer diameter is slightly smaller than the minimum outer diameter of the mouth part 2, but is divided into four parts. As a result of pinching off by 15, the range of the cut line becomes about 9 mm as described above. It is well confined within the 15 mm diameter bottom. Body 3 force The blow ratio toward the bottom 4 is as small as 1.5 (15 mm / 10 mm), but the cut line is not exposed on the body 3 as indicated by the shape of the burr generating part 17. That is, the container 1 of the fourth embodiment is a container having excellent appearance and a small size and a low blow ratio, which has never been achieved by the direct blow molding method.
- FIGS. 13a and 13b show Comparative Example 3 for comparing the container 1 obtained with the above-described fourth embodiment with the conventional two-piece split mold 12.
- Comparative Example 3 is the same as the fourth embodiment in the shape of the container.
- the shape of the burr generating portion 17 is reduced.
- burrs are generated not only from the pinch-off part but also from the parting line of the trunk 3, and as a result, the burrs are also formed on the S trunk 3. The tendency becomes even more pronounced as the blow ratio decreases.
- FIGS. 14a and 14b show a fifth embodiment of the blow-molded article of the present invention.
- the blow-molded article is cylindrical like the container of the fourth embodiment.
- the minimum outer diameter of the mouth 2 is 10 mm
- the diameter of the bottom 4 is 9.5 mm slightly smaller than this minimum outer diameter
- the maximum diameter of the trunk 3 is 15 mm.
- the height is 60 mm
- a cut line 7 is formed in a cross shape on the bottom surface 5, but its formation range is within a circle with a diameter of about 7 mm.
- the container 1 for blow molding The outer diameter of the risons is 8 mm, and the blow ratio near the bottom 4 is about 1.2 (9.5 mm / 8 mm), which is an extremely small force S, bite, and cut lines are limited to the bottom. As described above, it is possible to provide a container having a good appearance even in a container having a small blow ratio and a tapered bottom portion 4, and is a container of direct blow molding that has never existed before.
- FIG. 15 shows a sixth embodiment of the molded product of the present invention, which has the same shape as the molded product 9 of the third embodiment shown in FIG. 9, and whose wall has a laminated structure.
- the container 1 shown in FIG. 16 has the same shape as that of the first embodiment, but is obtained by biaxial stretching blow molding of the molded article 9 of the third embodiment by direct blow molding as a preform. You.
- a direct blow molded product by forming a multi-layer of Norison, it is easy to form a laminated structure, and a laminated structure such as a wall thickness ratio can be achieved with high precision.
- a laminated type biaxially stretched blow container By using the molded product as a preform, a laminated type biaxially stretched blow container can be easily manufactured.
- a core guide having an air nozzle is inserted from above the parison at the time of air blow. At this time, the upper end surface of the mouth can be sealed with an inner layer.
- a water-absorbent resin such as ethylene-butyl alcohol copolymer or nylon
- Preservation management of the preform before stretch blow molding is facilitated.
- Example 1 of the laminated molded article 9 is composed of a combination of a layer using PET and a layer using PEN.
- Example 1 [A] a combination of PET outer layer la and PEN inner layer lc, [B] a combination of PET outer layer la and PEN intermediate layer lb and PET inner layer lc, [C] ] Includes combinations of PEN outer layer la and PET inner layer lc, [D] PEN outer layer la, PET intermediate layer lb, and PEN inner layer lc.
- an adhesive layer 1D may be provided between the layers.
- PEN is used for the inner layer lc, a container with high chemical resistance (alkali resistance) can be obtained.
- Each of the combinations in Example 1 exhibits an ultraviolet blocking function capable of cutting ultraviolet light of 370 nm or less by setting the thickness of PEN to :!
- Example 2 of the laminated molded product 9 is composed of a combination of the outer layer la and the inner layer lc using PET and the intermediate layer lb using gasoline resin.
- the layer lb was made of an ethylene-butyl alcohol copolymer
- [F] a combination in which the interlayer lb was made of a xylylene group-containing polyamide
- the combination [F] it is possible to obtain a container 1 with a barrier property against oxygen, carbon dioxide, etc., which is insufficient with PET alone.
- Example 3 of the laminated molded product 9 the outer layer la using polyethylene or polypropylene and the inner layer lc using ethylene butyl alcohol copolymer or PET resin were joined by an adhesive layer Id.
- the container 1 is designed so that the active ingredients such as limonene and vitamins contained in the container 1 are not absorbed by the container 1.
- Example 4 of the laminated molded product 9 the outer layer made of polyethylene or polypropylene was used. High oxygen barrier properties are achieved by joining la with the middle layer lb using xylylene group-containing polyamide as the gas nolia resin and the inner layer lc using polyethylene or polypropylene with the adhesive layer Id. Container 1 to be used.
- Example 5 of the laminated molded product 9 the outer layer la using nylon 6 and the inner layer lc using polyethylene or polypropylene were joined by an adhesive layer Id, and a high piercing was performed.
- a thin container 1 having strength and high surface gloss can be provided.
- Example 6 of the laminated molded product 9 the laminated structure was composed of an outer layer la and an inner layer lc using PET virgin resin material and an intermediate layer lb using recycled PET resin material. Therefore, the recycled resin material can be safely used in a state where the layer thickness is easily controlled. In addition, it can be handled as a single PET object during separation and collection.
- Example 7 of the laminated molded article 9 the outer layer la in which an antistatic agent was put in PET, the intermediate layer lb in which an ultraviolet absorber was put in PET, and the inner layer lc using virgin resin material of PET were used. It also has a laminated structure with an effective antistatic effect, and because it has been added to the intermediate layer, there is no loss due to bleed-out of the UV absorber, and safe storage of the contents regardless of the additive. Obtainable. Note that the effect that can be used in this example is not limited to PET, and similar effects can be obtained with other resins.
- the embodiment 8 of the laminated molded product 9 is composed of an outer layer la formed of an outer shell having a required self-shape retention ability by using a synthetic material such as polyethylene, polypropylene, and PET.
- Synthetic resin material such as nylon, ethylene vinyl alcohol copolymer, polyethylene terephthalate, etc., which has low compatibility with the outer layer la, and has a laminated structure composed of an inner layer lc formed into a flexible and pliable bag.
- a laminate peeling container can be provided.
- Example 9 of the laminated molded product 9 the outer layer la is made of polished or matted polypropylene or polyethylene, and the appearance of the product is easily glazed. Shape.
- Example 10 of the laminated molded product 9 the laminated structure was composed of an outer layer la made of ethylene vinyl alcohol copolymer or PET and an inner layer lc made of polyolefin resin, and the surface was polished. Shape.
- the thickness unevenness and the stretch unevenness near the bottom by the direct blow molding method are small, and the cutting line by the split mold is used. Can be realized only in the vicinity of the center of the bottom surface.
- the blow-molded product according to the present invention is a novel product having excellent uniformity of wall thickness, self-sustainability, and appearance.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/521,588 US20060105127A1 (en) | 2002-08-06 | 2003-08-05 | Blow molded product |
EP03788036A EP1541475A4 (en) | 2002-08-06 | 2003-08-05 | BLASTED PRODUCT |
AU2003252406A AU2003252406A1 (en) | 2002-08-06 | 2003-08-05 | Blow molded product |
CA 2494178 CA2494178A1 (en) | 2002-08-06 | 2003-08-05 | Blow molded product |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002229270A JP2004067171A (ja) | 2002-08-06 | 2002-08-06 | ブロー成形品 |
JP2002-229270 | 2002-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004016510A1 true WO2004016510A1 (ja) | 2004-02-26 |
Family
ID=31884338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/009955 WO2004016510A1 (ja) | 2002-08-06 | 2003-08-05 | ブロー成形品 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060105127A1 (ja) |
EP (1) | EP1541475A4 (ja) |
JP (1) | JP2004067171A (ja) |
KR (1) | KR100708830B1 (ja) |
CN (1) | CN100402383C (ja) |
AU (1) | AU2003252406A1 (ja) |
CA (1) | CA2494178A1 (ja) |
TW (1) | TWI268894B (ja) |
WO (1) | WO2004016510A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006213360A (ja) * | 2005-02-04 | 2006-08-17 | Toppan Printing Co Ltd | Te機能付の口栓キャップ |
US10214312B2 (en) | 2006-03-06 | 2019-02-26 | Plastipak Packaging, Inc. | Lightweight plastic container and preform |
US8857637B2 (en) | 2006-03-06 | 2014-10-14 | Plastipak Packaging, Inc. | Lightweight plastic container and preform |
JP2009286437A (ja) * | 2008-05-29 | 2009-12-10 | Yoshino Kogyosho Co Ltd | ブロー成形容器 |
JP5246480B2 (ja) * | 2008-05-29 | 2013-07-24 | 株式会社吉野工業所 | ブロー成形容器と成形方法 |
JP5413764B2 (ja) * | 2008-02-29 | 2014-02-12 | 株式会社吉野工業所 | ブロー成形容器 |
KR101562678B1 (ko) * | 2008-02-29 | 2015-10-23 | 가부시키가이샤 요시노 고교쇼 | 블로우 성형 용기와 성형방법 |
JP2009286462A (ja) * | 2008-05-30 | 2009-12-10 | Yoshino Kogyosho Co Ltd | ブロー成形容器 |
JP5602601B2 (ja) * | 2010-11-30 | 2014-10-08 | 株式会社吉野工業所 | 積層剥離容器及びその製造方法、並びにこれに用いるブロー成形用の金型 |
JP5999545B2 (ja) * | 2012-03-30 | 2016-09-28 | 株式会社吉野工業所 | ブロー容器 |
JP6052578B2 (ja) * | 2012-05-31 | 2016-12-27 | 株式会社吉野工業所 | ブロー成形容器及びブロー成型容器の製造方法 |
JP6011929B2 (ja) * | 2012-10-31 | 2016-10-25 | 株式会社吉野工業所 | 2軸延伸ブロー成形容器及びその製造方法 |
JP7026506B2 (ja) * | 2014-08-01 | 2022-02-28 | ザ コカ・コーラ カンパニー | 炭酸飲料包装体用の軽量なベース |
WO2016084301A1 (ja) * | 2014-11-28 | 2016-06-02 | 株式会社吉野工業所 | 二軸延伸ブロー成形用のプリフォーム及び容器、並びに二軸延伸ブロー成形用のプリフォームの製造方法及び容器の製造方法 |
JP6494984B2 (ja) * | 2014-11-28 | 2019-04-03 | 株式会社吉野工業所 | 二軸延伸ブロー成形用のプリフォーム及び容器 |
JP6530270B2 (ja) * | 2015-07-31 | 2019-06-12 | 株式会社吉野工業所 | 容器の製造方法 |
JP7278707B2 (ja) * | 2017-11-30 | 2023-05-22 | 株式会社吉野工業所 | キャップ螺着用の広口容器の製造方法 |
TWI658970B (zh) * | 2018-08-07 | 2019-05-11 | 臺三榮實業有限公司 | 積層剝離容器及其製法 |
JP7115515B2 (ja) * | 2020-06-19 | 2022-08-09 | 大日本印刷株式会社 | プリフォーム及びボトル |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51125454A (en) * | 1975-04-24 | 1976-11-01 | Toppan Printing Co Ltd | Method of producing double layer container |
JPH01254539A (ja) * | 1988-03-30 | 1989-10-11 | Toyo Seikan Kaisha Ltd | 耐熱圧性多層容器及びその製法 |
JPH06502596A (ja) * | 1990-09-24 | 1994-03-24 | コニンクリユケ エムバラーゲ インダストリー フアン レール ビー.ブイ. | モールド装置、容器の製造方法および前記方法により製造される容器 |
JPH08253222A (ja) * | 1995-03-14 | 1996-10-01 | Dainippon Printing Co Ltd | 食品用多層容器 |
JPH09502404A (ja) * | 1993-09-10 | 1997-03-11 | プラスチパック パッケージング インコーポレーテッド | プラスチック吹込成形に用いられるプレフォーム及びプレフォームの製造方法 |
JP2001199421A (ja) * | 1999-11-10 | 2001-07-24 | Yoshino Kogyosho Co Ltd | 合成樹脂製壜体およびその成形方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1604573B1 (de) * | 1966-07-12 | 1972-05-31 | Interstabella Ag | Verfahren und vorrichtung zum herstellen von hohlkoerpern nach dem blasverfahren |
US3430290A (en) * | 1966-08-01 | 1969-03-04 | Phillips Petroleum Co | Apparatus for sealing and severing parisons |
US3478388A (en) * | 1966-11-21 | 1969-11-18 | Phillips Petroleum Co | Apparatus for blow molding,cutting and sealing |
US3663522A (en) * | 1967-11-14 | 1972-05-16 | Phillips Petroleum Co | Method for multiple direction pinch-off |
US3699201A (en) * | 1969-06-27 | 1972-10-17 | Phillips Petroleum Co | Cutting and sealing plastic tubes |
US3756108A (en) * | 1971-12-13 | 1973-09-04 | Western Electric Co | Tube cutter |
US3861845A (en) * | 1972-11-21 | 1975-01-21 | Phillips Petroleum Co | Four bar linkage for inserts for blow molding molds |
US4067944A (en) * | 1974-11-01 | 1978-01-10 | Valyi Emery I | Method for obtaining multilayered hollow plastic article |
US4568261A (en) * | 1979-07-20 | 1986-02-04 | American Can Company | Apparatus for making a multi-layer injection blow molded container |
JPS6071207A (ja) * | 1983-09-29 | 1985-04-23 | Toyo Seikan Kaisha Ltd | 延伸ブロー成形用多層プリフォームの製造方法 |
JP2659714B2 (ja) * | 1987-07-21 | 1997-09-30 | 株式会社日立製作所 | 半導体集積回路装置 |
EP0355437A1 (en) * | 1988-08-15 | 1990-02-28 | General Electric Company | Improved pinch-off for extrusion blow molded articles |
JP3401519B2 (ja) * | 1995-02-16 | 2003-04-28 | 株式会社吉野工業所 | ブロー成形容器およびその成形用金型 |
US5804016A (en) * | 1996-03-07 | 1998-09-08 | Continental Pet Technologies, Inc. | Multilayer container resistant to elevated temperatures and pressures, and method of making the same |
US5772056A (en) * | 1996-05-24 | 1998-06-30 | Plastipak Packaging, Inc. | Plastic blow molded container |
US5927525A (en) * | 1997-04-28 | 1999-07-27 | Plastipak Packaging, Inc. | Multi-layer containers and preforms |
US5939153A (en) * | 1997-11-13 | 1999-08-17 | The Elizabeth And Sandor Valyi Foundation, Inc. | Multilayered plastic container |
JP3464405B2 (ja) * | 1999-02-18 | 2003-11-10 | 阪神化成工業株式会社 | 多層薄肉容器 |
-
2002
- 2002-08-06 JP JP2002229270A patent/JP2004067171A/ja active Pending
-
2003
- 2003-08-05 TW TW92121345A patent/TWI268894B/zh not_active IP Right Cessation
- 2003-08-05 US US10/521,588 patent/US20060105127A1/en not_active Abandoned
- 2003-08-05 CA CA 2494178 patent/CA2494178A1/en not_active Abandoned
- 2003-08-05 CN CNB038186691A patent/CN100402383C/zh not_active Expired - Fee Related
- 2003-08-05 KR KR20057002152A patent/KR100708830B1/ko active IP Right Grant
- 2003-08-05 WO PCT/JP2003/009955 patent/WO2004016510A1/ja active Application Filing
- 2003-08-05 EP EP03788036A patent/EP1541475A4/en not_active Withdrawn
- 2003-08-05 AU AU2003252406A patent/AU2003252406A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51125454A (en) * | 1975-04-24 | 1976-11-01 | Toppan Printing Co Ltd | Method of producing double layer container |
JPH01254539A (ja) * | 1988-03-30 | 1989-10-11 | Toyo Seikan Kaisha Ltd | 耐熱圧性多層容器及びその製法 |
JPH06502596A (ja) * | 1990-09-24 | 1994-03-24 | コニンクリユケ エムバラーゲ インダストリー フアン レール ビー.ブイ. | モールド装置、容器の製造方法および前記方法により製造される容器 |
JPH09502404A (ja) * | 1993-09-10 | 1997-03-11 | プラスチパック パッケージング インコーポレーテッド | プラスチック吹込成形に用いられるプレフォーム及びプレフォームの製造方法 |
JPH08253222A (ja) * | 1995-03-14 | 1996-10-01 | Dainippon Printing Co Ltd | 食品用多層容器 |
JP2001199421A (ja) * | 1999-11-10 | 2001-07-24 | Yoshino Kogyosho Co Ltd | 合成樹脂製壜体およびその成形方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1541475A4 * |
Also Published As
Publication number | Publication date |
---|---|
CA2494178A1 (en) | 2004-02-26 |
JP2004067171A (ja) | 2004-03-04 |
TW200404711A (en) | 2004-04-01 |
EP1541475A4 (en) | 2007-12-26 |
AU2003252406A1 (en) | 2004-03-03 |
CN100402383C (zh) | 2008-07-16 |
CN1675105A (zh) | 2005-09-28 |
US20060105127A1 (en) | 2006-05-18 |
EP1541475A1 (en) | 2005-06-15 |
KR20050032599A (ko) | 2005-04-07 |
KR100708830B1 (ko) | 2007-04-18 |
TWI268894B (en) | 2006-12-21 |
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