JPH0118843B2 - - Google Patents

Info

Publication number
JPH0118843B2
JPH0118843B2 JP57027989A JP2798982A JPH0118843B2 JP H0118843 B2 JPH0118843 B2 JP H0118843B2 JP 57027989 A JP57027989 A JP 57027989A JP 2798982 A JP2798982 A JP 2798982A JP H0118843 B2 JPH0118843 B2 JP H0118843B2
Authority
JP
Japan
Prior art keywords
mold
gas vent
injection molding
foam
foaming
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
JP57027989A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58145427A (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 JP57027989A priority Critical patent/JPS58145427A/ja
Publication of JPS58145427A publication Critical patent/JPS58145427A/ja
Publication of JPH0118843B2 publication Critical patent/JPH0118843B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding 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)
JP57027989A 1982-02-22 1982-02-22 軟質ポリウレタンフオ−ムの反応射出成形方法 Granted JPS58145427A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57027989A JPS58145427A (ja) 1982-02-22 1982-02-22 軟質ポリウレタンフオ−ムの反応射出成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57027989A JPS58145427A (ja) 1982-02-22 1982-02-22 軟質ポリウレタンフオ−ムの反応射出成形方法

Publications (2)

Publication Number Publication Date
JPS58145427A JPS58145427A (ja) 1983-08-30
JPH0118843B2 true JPH0118843B2 (enFirst) 1989-04-07

Family

ID=12236234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57027989A Granted JPS58145427A (ja) 1982-02-22 1982-02-22 軟質ポリウレタンフオ−ムの反応射出成形方法

Country Status (1)

Country Link
JP (1) JPS58145427A (enFirst)

Also Published As

Publication number Publication date
JPS58145427A (ja) 1983-08-30

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