IT1219561B - DOUBLE INJECTION MOLDING DEVICE - Google Patents

DOUBLE INJECTION MOLDING DEVICE

Info

Publication number
IT1219561B
IT1219561B IT47897/88A IT4789788A IT1219561B IT 1219561 B IT1219561 B IT 1219561B IT 47897/88 A IT47897/88 A IT 47897/88A IT 4789788 A IT4789788 A IT 4789788A IT 1219561 B IT1219561 B IT 1219561B
Authority
IT
Italy
Prior art keywords
injection molding
molding device
double injection
double
molding
Prior art date
Application number
IT47897/88A
Other languages
Italian (it)
Other versions
IT8847897A0 (en
Inventor
Masato Tawara
Toshio Utsugi
Nakamaru Kazuki
Sasaki Nobuyoshi
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 IT8847897A0 publication Critical patent/IT8847897A0/en
Application granted granted Critical
Publication of IT1219561B publication Critical patent/IT1219561B/en

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
IT47897/88A 1987-04-30 1988-04-29 DOUBLE INJECTION MOLDING DEVICE IT1219561B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62107348A JP2513227B2 (en) 1987-04-30 1987-04-30 Two-color molding die device

Publications (2)

Publication Number Publication Date
IT8847897A0 IT8847897A0 (en) 1988-04-29
IT1219561B true IT1219561B (en) 1990-05-18

Family

ID=14456777

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47897/88A IT1219561B (en) 1987-04-30 1988-04-29 DOUBLE INJECTION MOLDING DEVICE

Country Status (5)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2815046B2 (en) * 1987-06-19 1998-10-27 ミノルタ株式会社 Molded member and method of joining the same
JPH0726089Y2 (en) * 1988-03-29 1995-06-14 三菱マテリアル株式会社 Multicolor mold
JPH0686080B2 (en) * 1988-12-02 1994-11-02 富士写真フイルム株式会社 Injection mold
DE3932016A1 (en) * 1989-09-26 1991-04-11 Agfa Gevaert Ag DEVICE FOR TWO-LAYER INJECTION MOLDING
JP2887832B2 (en) * 1994-04-15 1999-05-10 株式会社ニフコ Speaker grill and molding method thereof
DE19736082C1 (en) * 1997-08-20 1999-01-14 Orga Kartensysteme Gmbh Method and manufacture of a chip card and device for carrying out the method
DE19808145A1 (en) * 1997-08-21 1999-02-25 Structoform Spritzgiesen Aniso Injection moulding of articles with two components
KR100419101B1 (en) * 2001-02-15 2004-02-19 전성도 Forming device for wallboard of vehicle
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

Family Cites Families (5)

* 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
JPS59133029A (en) * 1983-01-19 1984-07-31 Matsushita Electric Ind Co Ltd Resin molding and manufacture thereof
JPS61108519A (en) * 1984-11-02 1986-05-27 Yoshida Kogyo Kk <Ykk> Molding method of multi-color synthetic resin molded part, molding equipment and molded part thereof
JPH0657417B2 (en) * 1985-11-15 1994-08-03 ティーディーケイ株式会社 Molding die
JP3241453B2 (en) * 1992-09-25 2001-12-25 豊田工機株式会社 Grinding method

Also Published As

Publication number Publication date
GB2203984A (en) 1988-11-02
FR2614574A1 (en) 1988-11-04
GB2203984B (en) 1990-05-30
JP2513227B2 (en) 1996-07-03
IT8847897A0 (en) 1988-04-29
JPS63270113A (en) 1988-11-08
GB8809761D0 (en) 1988-06-02
KR880012332A (en) 1988-11-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940427