JPS5422469A - Foam injection molding - Google Patents

Foam injection molding

Info

Publication number
JPS5422469A
JPS5422469A JP8755877A JP8755877A JPS5422469A JP S5422469 A JPS5422469 A JP S5422469A JP 8755877 A JP8755877 A JP 8755877A JP 8755877 A JP8755877 A JP 8755877A JP S5422469 A JPS5422469 A JP S5422469A
Authority
JP
Japan
Prior art keywords
injection molding
foam injection
above temperature
pressure
temperature
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.)
Granted
Application number
JP8755877A
Other languages
Japanese (ja)
Other versions
JPS61170B2 (en
Inventor
Akio Yasuike
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.)
Asahi Dow Ltd
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Dow Ltd
Asahi Chemical Industry 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 Dow Ltd, Asahi Chemical Industry Co Ltd filed Critical Asahi Dow Ltd
Priority to JP8755877A priority Critical patent/JPS5422469A/en
Publication of JPS5422469A publication Critical patent/JPS5422469A/en
Publication of JPS61170B2 publication Critical patent/JPS61170B2/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding 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

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To form good highly foamed molded articles, by using (a) a compound which which is condenable at plasticizing temperature and pressure and vaporizes at the above temperature and ordinary pressure and (b) a gas which is non-condensable at the above temperature together as blowing agents.
JP8755877A 1977-07-21 1977-07-21 Foam injection molding Granted JPS5422469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8755877A JPS5422469A (en) 1977-07-21 1977-07-21 Foam injection molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8755877A JPS5422469A (en) 1977-07-21 1977-07-21 Foam injection molding

Publications (2)

Publication Number Publication Date
JPS5422469A true JPS5422469A (en) 1979-02-20
JPS61170B2 JPS61170B2 (en) 1986-01-07

Family

ID=13918309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8755877A Granted JPS5422469A (en) 1977-07-21 1977-07-21 Foam injection molding

Country Status (1)

Country Link
JP (1) JPS5422469A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747329U (en) * 1980-08-30 1982-03-16
JPS57501317A (en) * 1980-08-07 1982-07-29
WO1999040149A1 (en) 1998-02-03 1999-08-12 Jsp Corporation Polycarbonate resin foam and shock absorber using the same
CN104400957A (en) * 2014-09-26 2015-03-11 刘俊卿 Injection molding foaming machine
CN106182888A (en) * 2016-08-30 2016-12-07 中山市信立富机械科技有限公司 A kind of feeding machanism that constant pressure is provided

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57501317A (en) * 1980-08-07 1982-07-29
JPS5747329U (en) * 1980-08-30 1982-03-16
JPH0340574Y2 (en) * 1980-08-30 1991-08-27
WO1999040149A1 (en) 1998-02-03 1999-08-12 Jsp Corporation Polycarbonate resin foam and shock absorber using the same
CN104400957A (en) * 2014-09-26 2015-03-11 刘俊卿 Injection molding foaming machine
CN106182888A (en) * 2016-08-30 2016-12-07 中山市信立富机械科技有限公司 A kind of feeding machanism that constant pressure is provided

Also Published As

Publication number Publication date
JPS61170B2 (en) 1986-01-07

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