JPS57125026A - Method and mold for forming pad having different hardness - Google Patents

Method and mold for forming pad having different hardness

Info

Publication number
JPS57125026A
JPS57125026A JP56009826A JP982681A JPS57125026A JP S57125026 A JPS57125026 A JP S57125026A JP 56009826 A JP56009826 A JP 56009826A JP 982681 A JP982681 A JP 982681A JP S57125026 A JPS57125026 A JP S57125026A
Authority
JP
Japan
Prior art keywords
small chamber
resin
molds
expanded
synthetic resin
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
JP56009826A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0217335B2 (enrdf_load_stackoverflow
Inventor
Masaru Takebayashi
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.)
Ikeda Corp
Original Assignee
Ikeda Bussan 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 Ikeda Bussan Co Ltd filed Critical Ikeda Bussan Co Ltd
Priority to JP56009826A priority Critical patent/JPS57125026A/ja
Publication of JPS57125026A publication Critical patent/JPS57125026A/ja
Publication of JPH0217335B2 publication Critical patent/JPH0217335B2/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
    • B29C44/0415—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 regulating the pressure of the material during or after filling of the mould, e.g. by local venting

Landscapes

  • Seats For Vehicles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
JP56009826A 1981-01-26 1981-01-26 Method and mold for forming pad having different hardness Granted JPS57125026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56009826A JPS57125026A (en) 1981-01-26 1981-01-26 Method and mold for forming pad having different hardness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56009826A JPS57125026A (en) 1981-01-26 1981-01-26 Method and mold for forming pad having different hardness

Publications (2)

Publication Number Publication Date
JPS57125026A true JPS57125026A (en) 1982-08-04
JPH0217335B2 JPH0217335B2 (enrdf_load_stackoverflow) 1990-04-20

Family

ID=11730933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56009826A Granted JPS57125026A (en) 1981-01-26 1981-01-26 Method and mold for forming pad having different hardness

Country Status (1)

Country Link
JP (1) JPS57125026A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970548U (ja) * 1982-11-02 1984-05-14 株式会社東洋クオリティワン クツシヨン体
JPS6099290A (ja) * 1983-11-04 1985-06-03 池田物産株式会社 成形チップ材からなるパッド材の製造方法
JPS60219018A (ja) * 1984-04-16 1985-11-01 Nhk Spring Co Ltd 積層クツシヨン体の製造方法
JPS62123157U (enrdf_load_stackoverflow) * 1986-01-30 1987-08-05
WO1998016364A3 (en) * 1996-10-11 1998-06-18 Coraltech Ltd Method of injection moulding a foamed article
EP0919351A3 (en) * 1997-11-26 1999-07-07 Idemitsu Petrochemical Co., Ltd. Fiber-Reinforced resin molded article and method of manufacturing the same
EP1110694A1 (en) * 1999-12-23 2001-06-27 Giacoma Olivier Method for producing partially expanded bodies with a pvc-based cellular structure and mould for their production
JP2007290133A (ja) * 2006-04-20 2007-11-08 Inoac Corp 発泡製品の製造方法
JP2009107131A (ja) * 2007-10-26 2009-05-21 Inoac Corp 発泡成形型及び発泡成形方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970548U (ja) * 1982-11-02 1984-05-14 株式会社東洋クオリティワン クツシヨン体
JPS6099290A (ja) * 1983-11-04 1985-06-03 池田物産株式会社 成形チップ材からなるパッド材の製造方法
JPS60219018A (ja) * 1984-04-16 1985-11-01 Nhk Spring Co Ltd 積層クツシヨン体の製造方法
JPS62123157U (enrdf_load_stackoverflow) * 1986-01-30 1987-08-05
WO1998016364A3 (en) * 1996-10-11 1998-06-18 Coraltech Ltd Method of injection moulding a foamed article
US6358446B1 (en) 1996-10-11 2002-03-19 Coraltech Limited Method of injection moulding a foamed article
EP0919351A3 (en) * 1997-11-26 1999-07-07 Idemitsu Petrochemical Co., Ltd. Fiber-Reinforced resin molded article and method of manufacturing the same
EP1110694A1 (en) * 1999-12-23 2001-06-27 Giacoma Olivier Method for producing partially expanded bodies with a pvc-based cellular structure and mould for their production
JP2007290133A (ja) * 2006-04-20 2007-11-08 Inoac Corp 発泡製品の製造方法
JP2009107131A (ja) * 2007-10-26 2009-05-21 Inoac Corp 発泡成形型及び発泡成形方法

Also Published As

Publication number Publication date
JPH0217335B2 (enrdf_load_stackoverflow) 1990-04-20

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