JPS5747629A - Production of multilayer expansion-molded article - Google Patents

Production of multilayer expansion-molded article

Info

Publication number
JPS5747629A
JPS5747629A JP55123429A JP12342980A JPS5747629A JP S5747629 A JPS5747629 A JP S5747629A JP 55123429 A JP55123429 A JP 55123429A JP 12342980 A JP12342980 A JP 12342980A JP S5747629 A JPS5747629 A JP S5747629A
Authority
JP
Japan
Prior art keywords
mold
molded article
cavity
intermediate molded
heating
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
JP55123429A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6122617B2 (https=
Inventor
Sou Tago
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 JP55123429A priority Critical patent/JPS5747629A/ja
Publication of JPS5747629A publication Critical patent/JPS5747629A/ja
Publication of JPS6122617B2 publication Critical patent/JPS6122617B2/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
    • B29C44/08—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 using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
    • 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

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)
JP55123429A 1980-09-08 1980-09-08 Production of multilayer expansion-molded article Granted JPS5747629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55123429A JPS5747629A (en) 1980-09-08 1980-09-08 Production of multilayer expansion-molded article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55123429A JPS5747629A (en) 1980-09-08 1980-09-08 Production of multilayer expansion-molded article

Publications (2)

Publication Number Publication Date
JPS5747629A true JPS5747629A (en) 1982-03-18
JPS6122617B2 JPS6122617B2 (https=) 1986-06-02

Family

ID=14860341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55123429A Granted JPS5747629A (en) 1980-09-08 1980-09-08 Production of multilayer expansion-molded article

Country Status (1)

Country Link
JP (1) JPS5747629A (https=)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63160824A (ja) * 1986-12-25 1988-07-04 Yoshihiko Seki 合成樹脂発泡成形方法
US4756859A (en) * 1985-05-31 1988-07-12 Plastbau A.G. Method for manufacturing elements of expanded synthetic material having layers of particularly high strength and a plant for implementing said method
JP2014140975A (ja) * 2013-01-22 2014-08-07 Bridgestone Corp 衝撃吸収材及びその製造方法
WO2018101198A1 (ja) * 2016-11-30 2018-06-07 東北資材工業株式会社 発泡樹脂多層成形ボード及びその製造方法
JP2018144332A (ja) * 2017-03-03 2018-09-20 東北資材工業株式会社 機能性発泡樹脂多層成形ボード及びその製造方法
US10391911B2 (en) 2015-08-12 2019-08-27 Jsp Corporation Composite seat core material and vehicular seat element using the composite seat core material
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
WO2026018907A1 (ja) * 2024-07-19 2026-01-22 パナソニックホールディングス株式会社 発泡成形品の製造装置、発泡成形品の製造方法、及び、発泡成形品

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06824A (ja) * 1992-06-18 1994-01-11 Fanuc Ltd 中子突き出し装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756859A (en) * 1985-05-31 1988-07-12 Plastbau A.G. Method for manufacturing elements of expanded synthetic material having layers of particularly high strength and a plant for implementing said method
JPS63160824A (ja) * 1986-12-25 1988-07-04 Yoshihiko Seki 合成樹脂発泡成形方法
JP2014140975A (ja) * 2013-01-22 2014-08-07 Bridgestone Corp 衝撃吸収材及びその製造方法
US10391911B2 (en) 2015-08-12 2019-08-27 Jsp Corporation Composite seat core material and vehicular seat element using the composite seat core material
WO2018101198A1 (ja) * 2016-11-30 2018-06-07 東北資材工業株式会社 発泡樹脂多層成形ボード及びその製造方法
JPWO2018101198A1 (ja) * 2016-11-30 2019-10-24 東北資材工業株式会社 発泡樹脂多層成形ボード及びその製造方法
JP2018144332A (ja) * 2017-03-03 2018-09-20 東北資材工業株式会社 機能性発泡樹脂多層成形ボード及びその製造方法
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
WO2026018907A1 (ja) * 2024-07-19 2026-01-22 パナソニックホールディングス株式会社 発泡成形品の製造装置、発泡成形品の製造方法、及び、発泡成形品

Also Published As

Publication number Publication date
JPS6122617B2 (https=) 1986-06-02

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