JPH0582803B2 - - Google Patents
Info
- Publication number
- JPH0582803B2 JPH0582803B2 JP60274103A JP27410385A JPH0582803B2 JP H0582803 B2 JPH0582803 B2 JP H0582803B2 JP 60274103 A JP60274103 A JP 60274103A JP 27410385 A JP27410385 A JP 27410385A JP H0582803 B2 JPH0582803 B2 JP H0582803B2
- Authority
- JP
- Japan
- Prior art keywords
- cushion body
- mold
- raw material
- urethane foam
- upper layer
- 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 - Lifetime
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
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60274103A JPS62132613A (ja) | 1985-12-05 | 1985-12-05 | 上下二層の異硬度クッション体の成形方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60274103A JPS62132613A (ja) | 1985-12-05 | 1985-12-05 | 上下二層の異硬度クッション体の成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62132613A JPS62132613A (ja) | 1987-06-15 |
JPH0582803B2 true JPH0582803B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-11-22 |
Family
ID=17537041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60274103A Granted JPS62132613A (ja) | 1985-12-05 | 1985-12-05 | 上下二層の異硬度クッション体の成形方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62132613A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61283512A (ja) * | 1985-06-08 | 1986-12-13 | Toyota Motor Corp | 異硬度クツシヨン体の製造方法 |
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1985
- 1985-12-05 JP JP60274103A patent/JPS62132613A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62132613A (ja) | 1987-06-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19940510 |