JPS57125026A - Method and mold for forming pad having different hardness - Google Patents
Method and mold for forming pad having different hardnessInfo
- 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
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
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
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 (es) | 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 (es) |
Cited By (9)
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 (es) * | 1986-01-30 | 1987-08-05 | ||
WO1998016364A3 (en) * | 1996-10-11 | 1998-06-18 | Coraltech Ltd | Method of injection moulding a foamed article |
EP0919351A2 (en) * | 1997-11-26 | 1999-06-02 | 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 |
-
1981
- 1981-01-26 JP JP56009826A patent/JPS57125026A/ja active Granted
Cited By (14)
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 |
JPH0342111B2 (es) * | 1983-11-04 | 1991-06-26 | ||
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 |
JPH0318567B2 (es) * | 1984-04-16 | 1991-03-12 | Nhk Spring Co Ltd | |
JPH0531973Y2 (es) * | 1986-01-30 | 1993-08-17 | ||
JPS62123157U (es) * | 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 |
EP0919351A2 (en) * | 1997-11-26 | 1999-06-02 | Idemitsu Petrochemical Co., Ltd. | Fiber-Reinforced resin molded article and method of manufacturing the same |
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 (es) | 1990-04-20 |
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