JPH0318567B2 - - Google Patents
Info
- Publication number
- JPH0318567B2 JPH0318567B2 JP59076187A JP7618784A JPH0318567B2 JP H0318567 B2 JPH0318567 B2 JP H0318567B2 JP 59076187 A JP59076187 A JP 59076187A JP 7618784 A JP7618784 A JP 7618784A JP H0318567 B2 JPH0318567 B2 JP H0318567B2
- Authority
- JP
- Japan
- Prior art keywords
- foaming
- mold
- cushion body
- foams
- partition plates
- 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
- 238000005187 foaming Methods 0.000 claims description 36
- 239000011550 stock solution Substances 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 description 19
- 235000019589 hardness Nutrition 0.000 description 17
- 238000010097 foam moulding Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 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
- 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)
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 |
| DE19853513651 DE3513651A1 (de) | 1984-04-16 | 1985-04-16 | Sitzkissen und verfahren zu dessen herstellung |
| GB08509749A GB2157559B (en) | 1984-04-16 | 1985-04-16 | Seat pads |
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 JPS60219018A (ja) | 1985-11-01 |
| JPH0318567B2 true JPH0318567B2 (US06811534-20041102-M00003.png) | 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 (US06811534-20041102-M00003.png) |
Families Citing this family (4)
| 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 |
| JP4616987B2 (ja) * | 2000-12-08 | 2011-01-19 | 株式会社イノアックコーポレーション | 衝撃エネルギー吸収パッドの製造方法 |
| JP4841299B2 (ja) * | 2006-04-20 | 2011-12-21 | 株式会社イノアックコーポレーション | 発泡製品の製造方法 |
| CN109232844A (zh) | 2017-07-10 | 2019-01-18 | 日本发条株式会社 | 缓冲材料、座席用缓冲材料和座席 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828059A (US06811534-20041102-M00003.png) * | 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 |
-
1984
- 1984-04-16 JP JP59076187A patent/JPS60219018A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828059A (US06811534-20041102-M00003.png) * | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60219018A (ja) | 1985-11-01 |
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