JPH0324882B2 - - Google Patents

Info

Publication number
JPH0324882B2
JPH0324882B2 JP59267480A JP26748084A JPH0324882B2 JP H0324882 B2 JPH0324882 B2 JP H0324882B2 JP 59267480 A JP59267480 A JP 59267480A JP 26748084 A JP26748084 A JP 26748084A JP H0324882 B2 JPH0324882 B2 JP H0324882B2
Authority
JP
Japan
Prior art keywords
foaming
mold
foam
partition plate
stock solution
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
JP59267480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61146514A (ja
Inventor
Takeshi Minegishi
Yoshiaki Takamura
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.)
NHK Spring Co Ltd
Original Assignee
NHK Spring 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 NHK Spring Co Ltd filed Critical NHK Spring Co Ltd
Priority to JP59267480A priority Critical patent/JPS61146514A/ja
Publication of JPS61146514A publication Critical patent/JPS61146514A/ja
Publication of JPH0324882B2 publication Critical patent/JPH0324882B2/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
    • B29C44/0469—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 provided with physical separators between the different materials, e.g. separating layers, mould walls

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP59267480A 1984-12-20 1984-12-20 クツシヨン体の製造方法 Granted JPS61146514A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59267480A JPS61146514A (ja) 1984-12-20 1984-12-20 クツシヨン体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59267480A JPS61146514A (ja) 1984-12-20 1984-12-20 クツシヨン体の製造方法

Publications (2)

Publication Number Publication Date
JPS61146514A JPS61146514A (ja) 1986-07-04
JPH0324882B2 true JPH0324882B2 (en]) 1991-04-04

Family

ID=17445427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59267480A Granted JPS61146514A (ja) 1984-12-20 1984-12-20 クツシヨン体の製造方法

Country Status (1)

Country Link
JP (1) JPS61146514A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1309220C (en) * 1985-12-25 1992-10-27 Tetsuo Kita Process for producing laminated resin foam and mold therefor
JP4841299B2 (ja) * 2006-04-20 2011-12-21 株式会社イノアックコーポレーション 発泡製品の製造方法
JP6871017B2 (ja) * 2017-02-27 2021-05-12 西川ゴム工業株式会社 多色成形品の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828059A (en]) * 1971-08-16 1973-04-13

Also Published As

Publication number Publication date
JPS61146514A (ja) 1986-07-04

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