JPS5410372A - Injection molding - Google Patents

Injection molding

Info

Publication number
JPS5410372A
JPS5410372A JP7436077A JP7436077A JPS5410372A JP S5410372 A JPS5410372 A JP S5410372A JP 7436077 A JP7436077 A JP 7436077A JP 7436077 A JP7436077 A JP 7436077A JP S5410372 A JPS5410372 A JP S5410372A
Authority
JP
Japan
Prior art keywords
injection molding
synthetic resin
sheet
mold
priliminarily
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.)
Pending
Application number
JP7436077A
Other languages
Japanese (ja)
Inventor
Akio Yasuike
Takehiro Shibuya
Original Assignee
Asahi Chem Ind 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 Asahi Chem Ind Co Ltd filed Critical Asahi Chem Ind Co Ltd
Priority to JP7436077A priority Critical patent/JPS5410372A/en
Publication of JPS5410372A publication Critical patent/JPS5410372A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum

Abstract

PURPOSE:To obtain a foamed injection-molded article having smooth surfaces integrated with a sheet, by hot molding a preheated synthetic resin sheet priliminarily in a mold, and by injecting a foamable synthetic resin into the mold cavity.
JP7436077A 1977-06-24 1977-06-24 Injection molding Pending JPS5410372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7436077A JPS5410372A (en) 1977-06-24 1977-06-24 Injection molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7436077A JPS5410372A (en) 1977-06-24 1977-06-24 Injection molding

Publications (1)

Publication Number Publication Date
JPS5410372A true JPS5410372A (en) 1979-01-25

Family

ID=13544879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7436077A Pending JPS5410372A (en) 1977-06-24 1977-06-24 Injection molding

Country Status (1)

Country Link
JP (1) JPS5410372A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175620U (en) * 1984-05-02 1985-11-21
JPH08192439A (en) * 1995-01-20 1996-07-30 Idemitsu Petrochem Co Ltd Production of laminated molded product
WO2003033234A1 (en) * 2001-10-10 2003-04-24 Sakaeriken Kogyo Co.,Ltd. Method for producing plastic molding with texture pattern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175620U (en) * 1984-05-02 1985-11-21
JPH08192439A (en) * 1995-01-20 1996-07-30 Idemitsu Petrochem Co Ltd Production of laminated molded product
WO2003033234A1 (en) * 2001-10-10 2003-04-24 Sakaeriken Kogyo Co.,Ltd. Method for producing plastic molding with texture pattern

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