JPS56115231A - Expansion injection molding method - Google Patents
Expansion injection molding methodInfo
- Publication number
- JPS56115231A JPS56115231A JP1853480A JP1853480A JPS56115231A JP S56115231 A JPS56115231 A JP S56115231A JP 1853480 A JP1853480 A JP 1853480A JP 1853480 A JP1853480 A JP 1853480A JP S56115231 A JPS56115231 A JP S56115231A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- pressure
- expandable
- mold cavity
- expanding
- 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
- 238000001746 injection moulding Methods 0.000 title abstract 2
- 229920005989 resin Polymers 0.000 abstract 5
- 239000011347 resin Substances 0.000 abstract 5
- 229920003002 synthetic resin Polymers 0.000 abstract 3
- 239000000057 synthetic resin Substances 0.000 abstract 3
- 229920001169 thermoplastic Polymers 0.000 abstract 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 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
- B29C44/34—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
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
Landscapes
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1853480A JPS56115231A (en) | 1980-02-19 | 1980-02-19 | Expansion injection molding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1853480A JPS56115231A (en) | 1980-02-19 | 1980-02-19 | Expansion injection molding method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56115231A true JPS56115231A (en) | 1981-09-10 |
JPS6331369B2 JPS6331369B2 (enrdf_load_stackoverflow) | 1988-06-23 |
Family
ID=11974285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1853480A Granted JPS56115231A (en) | 1980-02-19 | 1980-02-19 | Expansion injection molding method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56115231A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010012613A (ja) * | 2008-07-01 | 2010-01-21 | Sekisui Techno Seikei Kk | 射出発泡樹脂成形品 |
-
1980
- 1980-02-19 JP JP1853480A patent/JPS56115231A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010012613A (ja) * | 2008-07-01 | 2010-01-21 | Sekisui Techno Seikei Kk | 射出発泡樹脂成形品 |
Also Published As
Publication number | Publication date |
---|---|
JPS6331369B2 (enrdf_load_stackoverflow) | 1988-06-23 |
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