JPS62270326A - 梱包用合成樹脂発泡成形品の製造方法 - Google Patents

梱包用合成樹脂発泡成形品の製造方法

Info

Publication number
JPS62270326A
JPS62270326A JP62100255A JP10025587A JPS62270326A JP S62270326 A JPS62270326 A JP S62270326A JP 62100255 A JP62100255 A JP 62100255A JP 10025587 A JP10025587 A JP 10025587A JP S62270326 A JPS62270326 A JP S62270326A
Authority
JP
Japan
Prior art keywords
beads
mold
molds
effected
molded product
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
JP62100255A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0360663B2 (en:Method
Inventor
Mikio Bessho
別所　幹夫
Shinjiro Nishikawa
西川　慎二郎
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi 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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Priority to JP62100255A priority Critical patent/JPS62270326A/ja
Publication of JPS62270326A publication Critical patent/JPS62270326A/ja
Publication of JPH0360663B2 publication Critical patent/JPH0360663B2/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
    • B29C44/0446—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 increasing the density locally by compressing part of the foam while still in the mould
    • 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

Landscapes

  • Buffer Packaging (AREA)
JP62100255A 1987-04-23 1987-04-23 梱包用合成樹脂発泡成形品の製造方法 Granted JPS62270326A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62100255A JPS62270326A (ja) 1987-04-23 1987-04-23 梱包用合成樹脂発泡成形品の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62100255A JPS62270326A (ja) 1987-04-23 1987-04-23 梱包用合成樹脂発泡成形品の製造方法

Publications (2)

Publication Number Publication Date
JPS62270326A true JPS62270326A (ja) 1987-11-24
JPH0360663B2 JPH0360663B2 (en:Method) 1991-09-17

Family

ID=14269110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62100255A Granted JPS62270326A (ja) 1987-04-23 1987-04-23 梱包用合成樹脂発泡成形品の製造方法

Country Status (1)

Country Link
JP (1) JPS62270326A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002004188A1 (de) * 2000-07-12 2002-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur herstellung von formteilen aus partikelschaum mit einer deckschicht

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476667A (en) * 1977-11-30 1979-06-19 Sekisui Plastics Coomolding method and apparatus by different raw material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476667A (en) * 1977-11-30 1979-06-19 Sekisui Plastics Coomolding method and apparatus by different raw material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002004188A1 (de) * 2000-07-12 2002-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur herstellung von formteilen aus partikelschaum mit einer deckschicht

Also Published As

Publication number Publication date
JPH0360663B2 (en:Method) 1991-09-17

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