JPS6241093B2 - - Google Patents

Info

Publication number
JPS6241093B2
JPS6241093B2 JP54173803A JP17380379A JPS6241093B2 JP S6241093 B2 JPS6241093 B2 JP S6241093B2 JP 54173803 A JP54173803 A JP 54173803A JP 17380379 A JP17380379 A JP 17380379A JP S6241093 B2 JPS6241093 B2 JP S6241093B2
Authority
JP
Japan
Prior art keywords
resin
mold
injection
cavity
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
Application number
JP54173803A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5692038A (en
Inventor
Masataka Sakurada
Nobuyuki Iwazawa
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.)
Toppan Inc
Original Assignee
Toppan Printing Co 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
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP17380379A priority Critical patent/JPS5692038A/ja
Publication of JPS5692038A publication Critical patent/JPS5692038A/ja
Publication of JPS6241093B2 publication Critical patent/JPS6241093B2/ja
Granted 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
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP17380379A 1979-12-26 1979-12-26 Multilayer injection molding Granted JPS5692038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17380379A JPS5692038A (en) 1979-12-26 1979-12-26 Multilayer injection molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17380379A JPS5692038A (en) 1979-12-26 1979-12-26 Multilayer injection molding

Publications (2)

Publication Number Publication Date
JPS5692038A JPS5692038A (en) 1981-07-25
JPS6241093B2 true JPS6241093B2 (enrdf_load_stackoverflow) 1987-09-01

Family

ID=15967441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17380379A Granted JPS5692038A (en) 1979-12-26 1979-12-26 Multilayer injection molding

Country Status (1)

Country Link
JP (1) JPS5692038A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1122436C (zh) * 1994-11-30 2003-09-24 先锋电子股份有限公司 扬声器振动膜及其制造方法
EP1005408B1 (de) * 1997-08-21 2002-07-31 Structoform Spritzgiessen Anisotroper Strukturkomponenten Gmbh Verfahren und justierdüse zum spritzgiessen von spritzgussteilen aus plastifizierbarem material
WO1999052697A1 (en) * 1998-04-13 1999-10-21 Conix Corporation Method for overmolding sink marks for an automotive component

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486550A (en) * 1977-12-22 1979-07-10 Asahi Chem Ind Co Ltd Molding of multi-layered molded article

Also Published As

Publication number Publication date
JPS5692038A (en) 1981-07-25

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