JPH0511013B2 - - Google Patents
Info
- Publication number
- JPH0511013B2 JPH0511013B2 JP60124946A JP12494685A JPH0511013B2 JP H0511013 B2 JPH0511013 B2 JP H0511013B2 JP 60124946 A JP60124946 A JP 60124946A JP 12494685 A JP12494685 A JP 12494685A JP H0511013 B2 JPH0511013 B2 JP H0511013B2
- Authority
- JP
- Japan
- Prior art keywords
- raw material
- hardness
- mold
- foam
- shielding plate
- 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
- 239000002994 raw material Substances 0.000 claims description 39
- 239000006260 foam Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000005187 foaming Methods 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241001026509 Kata Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60124946A JPS61283512A (ja) | 1985-06-08 | 1985-06-08 | 異硬度クツシヨン体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60124946A JPS61283512A (ja) | 1985-06-08 | 1985-06-08 | 異硬度クツシヨン体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61283512A JPS61283512A (ja) | 1986-12-13 |
| JPH0511013B2 true JPH0511013B2 (enrdf_load_stackoverflow) | 1993-02-12 |
Family
ID=14898110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60124946A Granted JPS61283512A (ja) | 1985-06-08 | 1985-06-08 | 異硬度クツシヨン体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61283512A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62132613A (ja) * | 1985-12-05 | 1987-06-15 | Inoue Mtp Co Ltd | 上下二層の異硬度クッション体の成形方法 |
-
1985
- 1985-06-08 JP JP60124946A patent/JPS61283512A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61283512A (ja) | 1986-12-13 |
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