JPH0118844B2 - - Google Patents

Info

Publication number
JPH0118844B2
JPH0118844B2 JP57029869A JP2986982A JPH0118844B2 JP H0118844 B2 JPH0118844 B2 JP H0118844B2 JP 57029869 A JP57029869 A JP 57029869A JP 2986982 A JP2986982 A JP 2986982A JP H0118844 B2 JPH0118844 B2 JP H0118844B2
Authority
JP
Japan
Prior art keywords
mold
injection
gas vent
polyurethane foam
foam
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
Application number
JP57029869A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58147323A (ja
Inventor
Masaki Yamamoto
Sadakuni Shiotani
Morihiro Myaguchi
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.)
Toyo Tire Corp
Original Assignee
Toyo Tire and Rubber 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 Toyo Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP57029869A priority Critical patent/JPS58147323A/ja
Publication of JPS58147323A publication Critical patent/JPS58147323A/ja
Publication of JPH0118844B2 publication Critical patent/JPH0118844B2/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
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP57029869A 1982-02-25 1982-02-25 軟質ポリウレタンフオ−ムの反応射出一体成形方法 Granted JPS58147323A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57029869A JPS58147323A (ja) 1982-02-25 1982-02-25 軟質ポリウレタンフオ−ムの反応射出一体成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57029869A JPS58147323A (ja) 1982-02-25 1982-02-25 軟質ポリウレタンフオ−ムの反応射出一体成形方法

Publications (2)

Publication Number Publication Date
JPS58147323A JPS58147323A (ja) 1983-09-02
JPH0118844B2 true JPH0118844B2 (enrdf_load_stackoverflow) 1989-04-07

Family

ID=12287972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57029869A Granted JPS58147323A (ja) 1982-02-25 1982-02-25 軟質ポリウレタンフオ−ムの反応射出一体成形方法

Country Status (1)

Country Link
JP (1) JPS58147323A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3865892B2 (ja) * 1997-09-18 2007-01-10 株式会社イノアックコーポレーション へッドレスト及びその製造方法

Also Published As

Publication number Publication date
JPS58147323A (ja) 1983-09-02

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