JPS56118828A - Manufacture of foamed plastic molding - Google Patents

Manufacture of foamed plastic molding

Info

Publication number
JPS56118828A
JPS56118828A JP2206880A JP2206880A JPS56118828A JP S56118828 A JPS56118828 A JP S56118828A JP 2206880 A JP2206880 A JP 2206880A JP 2206880 A JP2206880 A JP 2206880A JP S56118828 A JPS56118828 A JP S56118828A
Authority
JP
Japan
Prior art keywords
molding
arrow
chamber
core
pistons
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
JP2206880A
Other languages
English (en)
Other versions
JPS618771B2 (ja
Inventor
Hideji Inada
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.)
JSP Corp
Original Assignee
JSP 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 JSP Corp filed Critical JSP Corp
Priority to JP2206880A priority Critical patent/JPS56118828A/ja
Publication of JPS56118828A publication Critical patent/JPS56118828A/ja
Publication of JPS618771B2 publication Critical patent/JPS618771B2/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
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Molding Of Porous Articles (AREA)
JP2206880A 1980-02-23 1980-02-23 Manufacture of foamed plastic molding Granted JPS56118828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2206880A JPS56118828A (en) 1980-02-23 1980-02-23 Manufacture of foamed plastic molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2206880A JPS56118828A (en) 1980-02-23 1980-02-23 Manufacture of foamed plastic molding

Publications (2)

Publication Number Publication Date
JPS56118828A true JPS56118828A (en) 1981-09-18
JPS618771B2 JPS618771B2 (ja) 1986-03-17

Family

ID=12072568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2206880A Granted JPS56118828A (en) 1980-02-23 1980-02-23 Manufacture of foamed plastic molding

Country Status (1)

Country Link
JP (1) JPS56118828A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1159118A1 (en) * 1999-02-11 2001-12-05 C.T.E.B. Equipment PTY. Ltd. Improvements in moulded synthetic closure manufacture
WO2018019907A1 (de) * 2016-07-29 2018-02-01 Covestro Deutschland Ag System und verfahren zur herstellung eines geschäumten polymers
CN115923105A (zh) * 2023-02-21 2023-04-07 杭州方圆塑机股份有限公司 一种板材机双挤压结构
CN116118092A (zh) * 2023-04-14 2023-05-16 西安峰见智能电子有限公司 一种eps泡沫塑料模具

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1159118A1 (en) * 1999-02-11 2001-12-05 C.T.E.B. Equipment PTY. Ltd. Improvements in moulded synthetic closure manufacture
EP1159118A4 (en) * 1999-02-11 2002-06-05 C T E B Equipment Pty Ltd IMPROVEMENTS IN THE PRODUCTION OF INJECTION MOLDED SYNTHETIC SEALS
WO2018019907A1 (de) * 2016-07-29 2018-02-01 Covestro Deutschland Ag System und verfahren zur herstellung eines geschäumten polymers
CN115923105A (zh) * 2023-02-21 2023-04-07 杭州方圆塑机股份有限公司 一种板材机双挤压结构
CN116118092A (zh) * 2023-04-14 2023-05-16 西安峰见智能电子有限公司 一种eps泡沫塑料模具
CN116118092B (zh) * 2023-04-14 2023-09-22 西安峰见智能电子有限公司 一种eps泡沫塑料模具

Also Published As

Publication number Publication date
JPS618771B2 (ja) 1986-03-17

Similar Documents

Publication Publication Date Title
DE3262105D1 (en) Apparatus for producing moulded articles with non spherical surfaces
CN1321796C (zh) 吹塑成形方法、吹塑成形制品及吹塑成形金属模
CA2047003A1 (en) Method for continuous molding and apparatus therefore
ES8101749A1 (es) Procedimiento para la realizacion de un reflector optico , especialmente para proyector de automovil.
US3129464A (en) Molding apparatus
GB1351760A (en) Process and apparatus for producing hollow articles
JPS56118828A (en) Manufacture of foamed plastic molding
GB1138499A (en) Method and apparatus for injection moulding
JPS6477515A (en) Manufacture of thin molded item with projected portion
GB948569A (en) Method and apparatus for compression molding of members
CN202318753U (zh) 一种硅胶注射成型模具
SE7404958L (ja)
CN209649309U (zh) 一种负载敏感控制epp成型机的液压装置
KR890006372A (ko) 성형장치
JPS57191496A (en) Impeller for use in fan and manufacture thereof
JPS576732A (en) Method of molding synthetic resin formed component
AU8717891A (en) Process for injection moulding parts made of synthetic thermoplastic materials
CN218876171U (zh) 一种新冠检测试剂管生产用快速脱模装置
JPS6485724A (en) Method for injection molding cylindrical molded item
ES343223A1 (es) Procedimiento y aparato para la fabricacion de piezas mol- deadas de material termoplastico.
US2958621A (en) Method of making a dome-like body of plastic reinforced fibers
KR960003937A (ko) 섬유강화 플라스틱 제조방법 및 그 장치
CN220373747U (zh) 一种节能型水箱的发泡模模具
JPS57187232A (en) Method and device for resin compression molding
JPS57194435A (en) Production method of non-glare face-plate for television screen