GB2344307B - Multilayer injection molding method - Google Patents

Multilayer injection molding method

Info

Publication number
GB2344307B
GB2344307B GB0003913A GB0003913A GB2344307B GB 2344307 B GB2344307 B GB 2344307B GB 0003913 A GB0003913 A GB 0003913A GB 0003913 A GB0003913 A GB 0003913A GB 2344307 B GB2344307 B GB 2344307B
Authority
GB
United Kingdom
Prior art keywords
injection molding
molding method
multilayer injection
multilayer
molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0003913A
Other versions
GB0003913D0 (en
GB2344307A (en
Inventor
Tsutomu Nagaoka
Shoji Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP30407196A external-priority patent/JP3290902B2/en
Priority claimed from JP32762596A external-priority patent/JP3320999B2/en
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority claimed from GB9722879A external-priority patent/GB2318759B/en
Publication of GB0003913D0 publication Critical patent/GB0003913D0/en
Publication of GB2344307A publication Critical patent/GB2344307A/en
Application granted granted Critical
Publication of GB2344307B publication Critical patent/GB2344307B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1603—Multi-way nozzles specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB0003913A 1996-10-29 1997-10-29 Multilayer injection molding method Expired - Fee Related GB2344307B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30407196A JP3290902B2 (en) 1996-10-29 1996-10-29 Multi-layer injection molding machine
JP32762596A JP3320999B2 (en) 1996-11-21 1996-11-21 Injection molding method for multi-layer injection molding machine
GB9722879A GB2318759B (en) 1996-10-29 1997-10-29 Multilayer injection molding machine,and injection unit connecting device therefor

Publications (3)

Publication Number Publication Date
GB0003913D0 GB0003913D0 (en) 2000-04-05
GB2344307A GB2344307A (en) 2000-06-07
GB2344307B true GB2344307B (en) 2001-06-06

Family

ID=27269078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0003913A Expired - Fee Related GB2344307B (en) 1996-10-29 1997-10-29 Multilayer injection molding method

Country Status (1)

Country Link
GB (1) GB2344307B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117955A (en) * 1977-04-13 1978-10-03 Beloit Corporation Multi-port valved nozzle for co-injection molding
GB2073645A (en) * 1980-04-11 1981-10-21 Inst Po Metalloznanie I Tekno Injection-moulding machines
US4459257A (en) * 1982-07-05 1984-07-10 Cibie Projecteurs Process for producing a shaped article by injection moulding
EP0310914A2 (en) * 1987-10-09 1989-04-12 Battenfeld GmbH Method of injection moulding formed parts of thermoplastic resins, and for carrying out this method
US4946365A (en) * 1983-04-13 1990-08-07 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US5141695A (en) * 1984-07-31 1992-08-25 Nissei Asb Machine Co., Ltd. Injection molding method for multi-layer bottomed parisons
EP0571334A1 (en) * 1992-03-17 1993-11-24 Giovanni Delia Apparatus for continuously injecting elastomeric and plastic materials
JPH07171859A (en) * 1993-12-20 1995-07-11 Nissei Plastics Ind Co Multi-layer molding method
EP0768163A1 (en) * 1995-10-13 1997-04-16 Inter Tooling Services B.V. Method and apparatus for manufacturing hollow plastic articles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117955A (en) * 1977-04-13 1978-10-03 Beloit Corporation Multi-port valved nozzle for co-injection molding
GB2073645A (en) * 1980-04-11 1981-10-21 Inst Po Metalloznanie I Tekno Injection-moulding machines
US4459257A (en) * 1982-07-05 1984-07-10 Cibie Projecteurs Process for producing a shaped article by injection moulding
US4946365A (en) * 1983-04-13 1990-08-07 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US5141695A (en) * 1984-07-31 1992-08-25 Nissei Asb Machine Co., Ltd. Injection molding method for multi-layer bottomed parisons
EP0310914A2 (en) * 1987-10-09 1989-04-12 Battenfeld GmbH Method of injection moulding formed parts of thermoplastic resins, and for carrying out this method
EP0571334A1 (en) * 1992-03-17 1993-11-24 Giovanni Delia Apparatus for continuously injecting elastomeric and plastic materials
JPH07171859A (en) * 1993-12-20 1995-07-11 Nissei Plastics Ind Co Multi-layer molding method
EP0768163A1 (en) * 1995-10-13 1997-04-16 Inter Tooling Services B.V. Method and apparatus for manufacturing hollow plastic articles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession NO. 95-271965/199536 & JP 7171859 A (NISSEI) 11.07.95 (see abstract) *

Also Published As

Publication number Publication date
GB0003913D0 (en) 2000-04-05
GB2344307A (en) 2000-06-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161029