JPH0237849B2 - - Google Patents
Info
- Publication number
- JPH0237849B2 JPH0237849B2 JP57130407A JP13040782A JPH0237849B2 JP H0237849 B2 JPH0237849 B2 JP H0237849B2 JP 57130407 A JP57130407 A JP 57130407A JP 13040782 A JP13040782 A JP 13040782A JP H0237849 B2 JPH0237849 B2 JP H0237849B2
- Authority
- JP
- Japan
- Prior art keywords
- hollow insert
- mold
- urethane
- air
- molded product
- 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
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000006260 foam Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 7
- 239000000057 synthetic resin Substances 0.000 claims description 7
- 238000000071 blow moulding Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 description 6
- 239000011550 stock solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010107 reaction injection moulding Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 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
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1271—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed parts being partially covered
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
- B29C33/123—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels for centering the inserts
Landscapes
- 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 |
---|---|---|---|
JP57130407A JPS5920633A (ja) | 1982-07-28 | 1982-07-28 | ウレタン発泡成形品の製造方法および装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57130407A JPS5920633A (ja) | 1982-07-28 | 1982-07-28 | ウレタン発泡成形品の製造方法および装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5920633A JPS5920633A (ja) | 1984-02-02 |
JPH0237849B2 true JPH0237849B2 (enrdf_load_stackoverflow) | 1990-08-28 |
Family
ID=15033536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57130407A Granted JPS5920633A (ja) | 1982-07-28 | 1982-07-28 | ウレタン発泡成形品の製造方法および装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5920633A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60264358A (ja) * | 1984-06-13 | 1985-12-27 | 日本鋼管株式会社 | マグネシア・カ−ボン質不焼成レンガ |
JPH0226875A (ja) * | 1988-07-14 | 1990-01-29 | Shinagawa Refract Co Ltd | 鋳造用ノズル内壁の充填材焼付防止方法 |
JP2504848Y2 (ja) * | 1989-11-29 | 1996-07-24 | 住友重機械工業株式会社 | ベルト式アンロ―ダの搬送能力調整装置 |
-
1982
- 1982-07-28 JP JP57130407A patent/JPS5920633A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5920633A (ja) | 1984-02-02 |
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