JPS5851123A - ポリプロピレン系樹脂予備発泡粒子の型内成形法 - Google Patents
ポリプロピレン系樹脂予備発泡粒子の型内成形法Info
- Publication number
- JPS5851123A JPS5851123A JP56149807A JP14980781A JPS5851123A JP S5851123 A JPS5851123 A JP S5851123A JP 56149807 A JP56149807 A JP 56149807A JP 14980781 A JP14980781 A JP 14980781A JP S5851123 A JPS5851123 A JP S5851123A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- pressure
- particles
- heating medium
- mold member
- 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
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56149807A JPS5851123A (ja) | 1981-09-22 | 1981-09-22 | ポリプロピレン系樹脂予備発泡粒子の型内成形法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56149807A JPS5851123A (ja) | 1981-09-22 | 1981-09-22 | ポリプロピレン系樹脂予備発泡粒子の型内成形法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5851123A true JPS5851123A (ja) | 1983-03-25 |
JPS6230093B2 JPS6230093B2 (fr) | 1987-06-30 |
Family
ID=15483135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56149807A Granted JPS5851123A (ja) | 1981-09-22 | 1981-09-22 | ポリプロピレン系樹脂予備発泡粒子の型内成形法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5851123A (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS591231A (ja) * | 1982-06-26 | 1984-01-06 | Sekisui Plastics Co Ltd | 発泡成形における加熱方法 |
JPS608047A (ja) * | 1983-06-28 | 1985-01-16 | Japan Styrene Paper Co Ltd | 予備発泡粒子型内成型体の製造方法 |
JPS631529A (ja) * | 1986-06-20 | 1988-01-06 | Kanegafuchi Chem Ind Co Ltd | ポリオレフイン系樹脂発泡成形体の製造方法及び金型 |
FR2772300A1 (fr) * | 1997-12-12 | 1999-06-18 | Reydel Sa | Procede de fabrication, par moulage, d'une piece en materiau expanse |
US6133331A (en) * | 1996-12-13 | 2000-10-17 | Jsp Corporation | Expanded particles of polyolefin resin and process for preparing the same |
US10787106B2 (en) | 2016-02-08 | 2020-09-29 | Sekisui Plastics Co., Ltd. | Vehicle seat member, vehicle seat, and production method therefor |
-
1981
- 1981-09-22 JP JP56149807A patent/JPS5851123A/ja active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS591231A (ja) * | 1982-06-26 | 1984-01-06 | Sekisui Plastics Co Ltd | 発泡成形における加熱方法 |
JPH0153179B2 (fr) * | 1982-06-26 | 1989-11-13 | Sekisui Plastics | |
JPS608047A (ja) * | 1983-06-28 | 1985-01-16 | Japan Styrene Paper Co Ltd | 予備発泡粒子型内成型体の製造方法 |
JPS6311138B2 (fr) * | 1983-06-28 | 1988-03-11 | Nippon Suchiren Peepaa Kk | |
JPS631529A (ja) * | 1986-06-20 | 1988-01-06 | Kanegafuchi Chem Ind Co Ltd | ポリオレフイン系樹脂発泡成形体の製造方法及び金型 |
US6133331A (en) * | 1996-12-13 | 2000-10-17 | Jsp Corporation | Expanded particles of polyolefin resin and process for preparing the same |
FR2772300A1 (fr) * | 1997-12-12 | 1999-06-18 | Reydel Sa | Procede de fabrication, par moulage, d'une piece en materiau expanse |
US10787106B2 (en) | 2016-02-08 | 2020-09-29 | Sekisui Plastics Co., Ltd. | Vehicle seat member, vehicle seat, and production method therefor |
Also Published As
Publication number | Publication date |
---|---|
JPS6230093B2 (fr) | 1987-06-30 |
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