JPS60219018A - 積層クツシヨン体の製造方法 - Google Patents

積層クツシヨン体の製造方法

Info

Publication number
JPS60219018A
JPS60219018A JP59076187A JP7618784A JPS60219018A JP S60219018 A JPS60219018 A JP S60219018A JP 59076187 A JP59076187 A JP 59076187A JP 7618784 A JP7618784 A JP 7618784A JP S60219018 A JPS60219018 A JP S60219018A
Authority
JP
Japan
Prior art keywords
mold
foaming
foam
partition boards
speed
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.)
Granted
Application number
JP59076187A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0318567B2 (en]
Inventor
Takeshi Minegishi
健 峰岸
Kazuo Suzuki
和夫 鈴木
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 JP59076187A priority Critical patent/JPS60219018A/ja
Priority to FR8505616A priority patent/FR2562882B1/fr
Priority to GB08509749A priority patent/GB2157559B/en
Priority to DE19853513651 priority patent/DE3513651A1/de
Publication of JPS60219018A publication Critical patent/JPS60219018A/ja
Publication of JPH0318567B2 publication Critical patent/JPH0318567B2/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)
JP59076187A 1984-04-16 1984-04-16 積層クツシヨン体の製造方法 Granted JPS60219018A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59076187A JPS60219018A (ja) 1984-04-16 1984-04-16 積層クツシヨン体の製造方法
FR8505616A FR2562882B1 (fr) 1984-04-16 1985-04-15 Rembourrage de siege et son procede de fabrication
GB08509749A GB2157559B (en) 1984-04-16 1985-04-16 Seat pads
DE19853513651 DE3513651A1 (de) 1984-04-16 1985-04-16 Sitzkissen und verfahren zu dessen herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59076187A JPS60219018A (ja) 1984-04-16 1984-04-16 積層クツシヨン体の製造方法

Publications (2)

Publication Number Publication Date
JPS60219018A true JPS60219018A (ja) 1985-11-01
JPH0318567B2 JPH0318567B2 (en]) 1991-03-12

Family

ID=13598119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59076187A Granted JPS60219018A (ja) 1984-04-16 1984-04-16 積層クツシヨン体の製造方法

Country Status (1)

Country Link
JP (1) JPS60219018A (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62149403A (ja) * 1985-12-25 1987-07-03 Honda Motor Co Ltd 積層樹脂発泡体の製造方法および樹脂発泡加工用金型
JP2002172632A (ja) * 2000-12-08 2002-06-18 Inoac Corp 衝撃エネルギー吸収パッドの製造方法
JP2007290133A (ja) * 2006-04-20 2007-11-08 Inoac Corp 発泡製品の製造方法
US11001690B2 (en) 2017-07-10 2021-05-11 Nhk Spring Co., Ltd. Cushion material, seat cushion material, and seat

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828059A (en]) * 1971-08-16 1973-04-13
JPS57125026A (en) * 1981-01-26 1982-08-04 Ikeda Bussan Co Ltd Method and mold for forming pad having different hardness

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828059A (en]) * 1971-08-16 1973-04-13
JPS57125026A (en) * 1981-01-26 1982-08-04 Ikeda Bussan Co Ltd Method and mold for forming pad having different hardness

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62149403A (ja) * 1985-12-25 1987-07-03 Honda Motor Co Ltd 積層樹脂発泡体の製造方法および樹脂発泡加工用金型
JP2002172632A (ja) * 2000-12-08 2002-06-18 Inoac Corp 衝撃エネルギー吸収パッドの製造方法
JP2007290133A (ja) * 2006-04-20 2007-11-08 Inoac Corp 発泡製品の製造方法
US11001690B2 (en) 2017-07-10 2021-05-11 Nhk Spring Co., Ltd. Cushion material, seat cushion material, and seat

Also Published As

Publication number Publication date
JPH0318567B2 (en]) 1991-03-12

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