JPS5514264A - Method of manufacturing formed article of foaming thermoplastic resin - Google Patents

Method of manufacturing formed article of foaming thermoplastic resin

Info

Publication number
JPS5514264A
JPS5514264A JP8705478A JP8705478A JPS5514264A JP S5514264 A JPS5514264 A JP S5514264A JP 8705478 A JP8705478 A JP 8705478A JP 8705478 A JP8705478 A JP 8705478A JP S5514264 A JPS5514264 A JP S5514264A
Authority
JP
Japan
Prior art keywords
resin
cavity
filling
kinds
thermoplastic resin
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
JP8705478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS619136B2 (en]
Inventor
Shigeo Nishikawa
Hiroshi Matsui
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.)
Mitsubishi Chemical BASF Co Ltd
Original Assignee
Mitsubishi Yuka Badische 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 Mitsubishi Yuka Badische Co Ltd filed Critical Mitsubishi Yuka Badische Co Ltd
Priority to JP8705478A priority Critical patent/JPS5514264A/ja
Publication of JPS5514264A publication Critical patent/JPS5514264A/ja
Publication of JPS619136B2 publication Critical patent/JPS619136B2/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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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)
JP8705478A 1978-07-19 1978-07-19 Method of manufacturing formed article of foaming thermoplastic resin Granted JPS5514264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8705478A JPS5514264A (en) 1978-07-19 1978-07-19 Method of manufacturing formed article of foaming thermoplastic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8705478A JPS5514264A (en) 1978-07-19 1978-07-19 Method of manufacturing formed article of foaming thermoplastic resin

Publications (2)

Publication Number Publication Date
JPS5514264A true JPS5514264A (en) 1980-01-31
JPS619136B2 JPS619136B2 (en]) 1986-03-20

Family

ID=13904218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8705478A Granted JPS5514264A (en) 1978-07-19 1978-07-19 Method of manufacturing formed article of foaming thermoplastic resin

Country Status (1)

Country Link
JP (1) JPS5514264A (en])

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061215A (ja) * 1983-09-13 1985-04-09 Sekisui Plastics Co Ltd 発泡成形における原料の充填方法
JPS61213129A (ja) * 1985-03-18 1986-09-22 Meiwa Sangyo Kk 樹脂ビ−ズ発泡成形体の製造方法
JPS62124932A (ja) * 1985-11-25 1987-06-06 Yuusui Kasei Kogyo Kk 異種原料による同時発泡成形方法
JPH03173630A (ja) * 1989-12-01 1991-07-26 Sanki Kogyo Kk 発泡プラスチック成形体の製造法
JP2010118357A (ja) * 2010-01-29 2010-05-27 Toshiba Lighting & Technology Corp Ｌｅｄ点灯装置および照明器具
JP2021024213A (ja) * 2019-08-07 2021-02-22 コンフォートフォーム株式会社 軽量で高強度な発泡樹脂粒子積層体

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167219U (en]) * 1985-04-02 1986-10-17
JPS6395625U (en]) * 1986-12-05 1988-06-20

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54116062A (en) * 1978-03-02 1979-09-10 Sekisui Plastics Coomolding method using raw material being different in properties and expanding magnification

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54116062A (en) * 1978-03-02 1979-09-10 Sekisui Plastics Coomolding method using raw material being different in properties and expanding magnification

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061215A (ja) * 1983-09-13 1985-04-09 Sekisui Plastics Co Ltd 発泡成形における原料の充填方法
JPS61213129A (ja) * 1985-03-18 1986-09-22 Meiwa Sangyo Kk 樹脂ビ−ズ発泡成形体の製造方法
JPS62124932A (ja) * 1985-11-25 1987-06-06 Yuusui Kasei Kogyo Kk 異種原料による同時発泡成形方法
JPH03173630A (ja) * 1989-12-01 1991-07-26 Sanki Kogyo Kk 発泡プラスチック成形体の製造法
JP2010118357A (ja) * 2010-01-29 2010-05-27 Toshiba Lighting & Technology Corp Ｌｅｄ点灯装置および照明器具
JP2021024213A (ja) * 2019-08-07 2021-02-22 コンフォートフォーム株式会社 軽量で高強度な発泡樹脂粒子積層体

Also Published As

Publication number Publication date
JPS619136B2 (en]) 1986-03-20

Similar Documents

Publication Publication Date Title
US2839788A (en) Method of making hollow plastic or rubber articles
US3363039A (en) Injection molding processes for thermoplastic materials
JPS53102960A (en) Injection mold
KR830007377A (ko) 인조 코르크 마개와 그 제조 방법 및 장치
IE780904L (en) Expansion moulding of hollow objects.
GB2163089A (en) Hot-runner moulds
JPS5514243A (en) Foaming mold for thermoplastic synthetic resin
JPS57117938A (en) Two-color molding method
JPS5514264A (en) Method of manufacturing formed article of foaming thermoplastic resin
US2962767A (en) Molding process
IE40441L (en) Moulding articles.
US3287481A (en) Process for molding articles having pearlescent luster
JPS5546938A (en) System for simultaneously making mould of different kind of material
JPS5747629A (en) Production of multilayer expansion-molded article
JPS5571541A (en) Method of continuous duplicated molding of heat curing resin and thermoplastic resin
JPS55139230A (en) Simultaneous forming of different materials
JPS55118838A (en) Manufacture of composite layer synthetic resin foam molded article
US2571193A (en) Molding plastic articles
JPS5741912A (en) Molding of multichamber tank
JPS5772836A (en) Method and apparatus for producing marble-patterned molded article
JPS5553538A (en) Manufacturing of synthetic resin foaming molded article
JPS55142627A (en) Method of expansion molding
JPS5684927A (en) Manufacture of composite cellular molding
JPS57167217A (en) Manufacture of hollow synthetic resin molding
JPS5787928A (en) Foam-molding method for synthetic resin