JPH0417B2 - - Google Patents

Info

Publication number
JPH0417B2
JPH0417B2 JP59252440A JP25244084A JPH0417B2 JP H0417 B2 JPH0417 B2 JP H0417B2 JP 59252440 A JP59252440 A JP 59252440A JP 25244084 A JP25244084 A JP 25244084A JP H0417 B2 JPH0417 B2 JP H0417B2
Authority
JP
Japan
Prior art keywords
layer
expanded particles
particles
density
cavity
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.)
Expired - Lifetime
Application number
JP59252440A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61130026A (ja
Inventor
Eitaro Kamata
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.)
Shoei Co Ltd
Original Assignee
Shoei Kako 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 Shoei Kako Co Ltd filed Critical Shoei Kako Co Ltd
Priority to JP59252440A priority Critical patent/JPS61130026A/ja
Publication of JPS61130026A publication Critical patent/JPS61130026A/ja
Publication of JPH0417B2 publication Critical patent/JPH0417B2/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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam 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
    • B29C44/34—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
    • B29C44/58—Moulds
    • B29C44/585—Moulds with adjustable size of the mould cavity

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Molding Of Porous Articles (AREA)
JP59252440A 1984-11-29 1984-11-29 異種層をもつフオ−ムスチレンの成形方法 Granted JPS61130026A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59252440A JPS61130026A (ja) 1984-11-29 1984-11-29 異種層をもつフオ−ムスチレンの成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59252440A JPS61130026A (ja) 1984-11-29 1984-11-29 異種層をもつフオ−ムスチレンの成形方法

Publications (2)

Publication Number Publication Date
JPS61130026A JPS61130026A (ja) 1986-06-17
JPH0417B2 true JPH0417B2 (en]) 1992-01-06

Family

ID=17237399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59252440A Granted JPS61130026A (ja) 1984-11-29 1984-11-29 異種層をもつフオ−ムスチレンの成形方法

Country Status (1)

Country Link
JP (1) JPS61130026A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013075369A (ja) * 2011-09-29 2013-04-25 Sekisui Plastics Co Ltd 発泡成形体の製造方法
JP2013248847A (ja) * 2012-06-04 2013-12-12 Toyo Cork Kk 複合発泡成型体の製造方法
JP6722428B2 (ja) * 2015-07-02 2020-07-15 東北資材工業株式会社 発泡樹脂成形体
JP6080275B1 (ja) 2015-08-12 2017-02-15 株式会社ジェイエスピー 車両用シート芯材、および車両用シート部材
DE102020113838A1 (de) * 2020-05-22 2021-11-25 Siegfried Hofmann Gmbh Formwerkzeug zur Verarbeitung von expandierbaren oder expandierten Kunststoffpartikeln
EP4538013A1 (en) * 2023-10-11 2025-04-16 CK Teknik A/S Energy efficient tool and method for moulding expanded polymer foam articles
DE102024101336A1 (de) * 2024-01-17 2025-07-17 ABUS August Bremicker Söhne Kommanditgesellschaft Helm

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589744B2 (ja) * 1977-11-30 1983-02-22 積水化成品工業株式会社 異種原料による同時成形方法および装置

Also Published As

Publication number Publication date
JPS61130026A (ja) 1986-06-17

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