JPH0322284B2 - - Google Patents

Info

Publication number
JPH0322284B2
JPH0322284B2 JP57086984A JP8698482A JPH0322284B2 JP H0322284 B2 JPH0322284 B2 JP H0322284B2 JP 57086984 A JP57086984 A JP 57086984A JP 8698482 A JP8698482 A JP 8698482A JP H0322284 B2 JPH0322284 B2 JP H0322284B2
Authority
JP
Japan
Prior art keywords
cavity
mold
molding
raw material
partition
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
JP57086984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58203027A (ja
Inventor
Shinji Yamada
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.)
INOATSUKU KOOHOREESHON KK
Original Assignee
INOATSUKU KOOHOREESHON KK
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 INOATSUKU KOOHOREESHON KK filed Critical INOATSUKU KOOHOREESHON KK
Priority to JP57086984A priority Critical patent/JPS58203027A/ja
Publication of JPS58203027A publication Critical patent/JPS58203027A/ja
Publication of JPH0322284B2 publication Critical patent/JPH0322284B2/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/751—Mattresses, cushions

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP57086984A 1982-05-22 1982-05-22 異硬度クッション体の製造方法 Granted JPS58203027A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57086984A JPS58203027A (ja) 1982-05-22 1982-05-22 異硬度クッション体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57086984A JPS58203027A (ja) 1982-05-22 1982-05-22 異硬度クッション体の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2193383A Division JPH0373321A (ja) 1990-07-20 1990-07-20 異硬度クッション体の成形用型

Publications (2)

Publication Number Publication Date
JPS58203027A JPS58203027A (ja) 1983-11-26
JPH0322284B2 true JPH0322284B2 (zh) 1991-03-26

Family

ID=13902124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57086984A Granted JPS58203027A (ja) 1982-05-22 1982-05-22 異硬度クッション体の製造方法

Country Status (1)

Country Link
JP (1) JPS58203027A (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243715U (zh) * 1985-09-03 1987-03-16
CA1309220C (en) * 1985-12-25 1992-10-27 Tetsuo Kita Process for producing laminated resin foam and mold therefor
FR2598967B1 (fr) * 1986-05-23 1988-11-25 Roth Sa Freres Procede de fabrication de matelassures moulees en mousse de polyurethane comportant plusieurs zones de souplesses differentes et matelassures ainsi realisees
JPS63120957U (zh) * 1987-01-30 1988-08-05
JPS63120956U (zh) * 1987-01-30 1988-08-05
DE3813587A1 (de) * 1988-04-22 1989-11-02 Bayer Ag Verfahren zum herstellen von schaumstoffpolstern
US6623675B2 (en) 2000-08-11 2003-09-23 Tokai Kogyo Kabushiki Kaisha Manufacturing method of a cushion member
JP4932534B2 (ja) * 2007-02-27 2012-05-16 株式会社イノアックコーポレーション ポリウレタン発泡成形型
JP5117161B2 (ja) * 2007-10-26 2013-01-09 株式会社イノアックコーポレーション 発泡成形方法
JP6413403B2 (ja) * 2014-07-03 2018-10-31 トヨタ紡織株式会社 発泡成形品用モールド及び発泡成形品

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930448A (zh) * 1972-07-20 1974-03-18
JPS5619734A (en) * 1979-07-25 1981-02-24 Tokai Kogyo Kk Preparation of composite cushion body for sheet of seat and the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930448A (zh) * 1972-07-20 1974-03-18
JPS5619734A (en) * 1979-07-25 1981-02-24 Tokai Kogyo Kk Preparation of composite cushion body for sheet of seat and the like

Also Published As

Publication number Publication date
JPS58203027A (ja) 1983-11-26

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