GB2203984B - Apparatus for double injection molding - Google Patents

Apparatus for double injection molding

Info

Publication number
GB2203984B
GB2203984B GB8809761A GB8809761A GB2203984B GB 2203984 B GB2203984 B GB 2203984B GB 8809761 A GB8809761 A GB 8809761A GB 8809761 A GB8809761 A GB 8809761A GB 2203984 B GB2203984 B GB 2203984B
Authority
GB
United Kingdom
Prior art keywords
injection molding
double injection
double
molding
injection
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 - Lifetime
Application number
GB8809761A
Other languages
English (en)
Other versions
GB2203984A (en
GB8809761D0 (en
Inventor
Masato Tawara
Toshio Utsugi
Kazuki Nakamaru
Nobuyoshi Sasaki
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.)
Sony Corp
Original Assignee
Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB8809761D0 publication Critical patent/GB8809761D0/en
Publication of GB2203984A publication Critical patent/GB2203984A/en
Application granted granted Critical
Publication of GB2203984B publication Critical patent/GB2203984B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
    • 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
    • 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
    • B29K2995/0025—Opaque
    • 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
    • B29K2995/0026—Transparent

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB8809761A 1987-04-30 1988-04-25 Apparatus for double injection molding Expired - Lifetime GB2203984B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62107348A JP2513227B2 (ja) 1987-04-30 1987-04-30 二色成形金型装置

Publications (3)

Publication Number Publication Date
GB8809761D0 GB8809761D0 (en) 1988-06-02
GB2203984A GB2203984A (en) 1988-11-02
GB2203984B true GB2203984B (en) 1990-05-30

Family

ID=14456777

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8809761A Expired - Lifetime GB2203984B (en) 1987-04-30 1988-04-25 Apparatus for double injection molding

Country Status (5)

Country Link
JP (1) JP2513227B2 (ja)
KR (1) KR880012332A (ja)
FR (1) FR2614574A1 (ja)
GB (1) GB2203984B (ja)
IT (1) IT1219561B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2815046B2 (ja) * 1987-06-19 1998-10-27 ミノルタ株式会社 成形部材及びその結合方法
JPH0726089Y2 (ja) * 1988-03-29 1995-06-14 三菱マテリアル株式会社 多色成形金型
JPH0686080B2 (ja) * 1988-12-02 1994-11-02 富士写真フイルム株式会社 射出成形用金型
DE3932016A1 (de) * 1989-09-26 1991-04-11 Agfa Gevaert Ag Vorrichtung zum zweischichtigen spritzgiessen
JP2887832B2 (ja) * 1994-04-15 1999-05-10 株式会社ニフコ スピーカーグリル及びその成形方法
DE19736082C1 (de) * 1997-08-20 1999-01-14 Orga Kartensysteme Gmbh Verfahren und Herstellen einer Chipkarte und Vorrichtung zur Durchführung des Verfahrens
DE19808145A1 (de) * 1997-08-21 1999-02-25 Structoform Spritzgiesen Aniso Verfahren zum Spritzgießen, Spritzgießform und Spritzgießvorrichtung
KR100419101B1 (ko) * 2001-02-15 2004-02-19 전성도 자동차용 내장재의 성형장치
EP1559529A3 (en) * 2004-02-02 2005-10-19 The Procter & Gamble Company Preforms made of two or more materials and processes for obtaining them
US7462314B2 (en) 2004-02-24 2008-12-09 Mold-Masters (2007) Limited Multiple-material injection molding
JP7454939B2 (ja) * 2019-12-16 2024-03-25 株式会社小糸製作所 二色成形品および二色成形方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB814337A (en) * 1956-01-21 1959-06-03 Roberto Pietrocola A method for the manufacture of composite footwear soles and in particular of soles for shoes and sandals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133029A (ja) * 1983-01-19 1984-07-31 Matsushita Electric Ind Co Ltd 樹脂成形品およびその製造方法
JPS61108519A (ja) * 1984-11-02 1986-05-27 Yoshida Kogyo Kk <Ykk> 合成樹脂多色成形品の成形方法並びに成形装置及びその成形品
JPH0657417B2 (ja) * 1985-11-15 1994-08-03 ティーディーケイ株式会社 成形金型
JP3241453B2 (ja) * 1992-09-25 2001-12-25 豊田工機株式会社 研削方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB814337A (en) * 1956-01-21 1959-06-03 Roberto Pietrocola A method for the manufacture of composite footwear soles and in particular of soles for shoes and sandals

Also Published As

Publication number Publication date
IT8847897A0 (it) 1988-04-29
GB2203984A (en) 1988-11-02
FR2614574A1 (fr) 1988-11-04
GB8809761D0 (en) 1988-06-02
JPS63270113A (ja) 1988-11-08
IT1219561B (it) 1990-05-18
KR880012332A (ko) 1988-11-26
JP2513227B2 (ja) 1996-07-03

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Legal Events

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

Effective date: 19950425