JPH0134775B2 - - Google Patents
Info
- Publication number
- JPH0134775B2 JPH0134775B2 JP60159322A JP15932285A JPH0134775B2 JP H0134775 B2 JPH0134775 B2 JP H0134775B2 JP 60159322 A JP60159322 A JP 60159322A JP 15932285 A JP15932285 A JP 15932285A JP H0134775 B2 JPH0134775 B2 JP H0134775B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- injection
- gate
- mold
- hydraulic cylinder
- 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
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/57—Exerting after-pressure on the moulding material
- B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15932285A JPS6183016A (ja) | 1985-07-19 | 1985-07-19 | 射出圧縮成形機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15932285A JPS6183016A (ja) | 1985-07-19 | 1985-07-19 | 射出圧縮成形機 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2597380A Division JPS56121748A (en) | 1980-02-29 | 1980-02-29 | Injection molding method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6183016A JPS6183016A (ja) | 1986-04-26 |
JPH0134775B2 true JPH0134775B2 (en]) | 1989-07-20 |
Family
ID=15691270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15932285A Granted JPS6183016A (ja) | 1985-07-19 | 1985-07-19 | 射出圧縮成形機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6183016A (en]) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5221509A (en) * | 1988-10-27 | 1993-06-22 | Kabushiki Kaisha Komatsu Seisakusho | Method and apparatus for injection and compression molding |
JP2906349B2 (ja) * | 1989-11-01 | 1999-06-21 | 住友重機械工業株式会社 | 光ディスク基板の製造方法 |
JP2912083B2 (ja) * | 1992-06-02 | 1999-06-28 | 住友重機械プラスチックマシナリー株式会社 | 局部加圧式の射出成形機 |
US5405259A (en) * | 1991-06-18 | 1995-04-11 | Sumitomo Heavy Industries, Ltd. | Injection molding machine using a pulsating pressing force |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52128951A (en) * | 1976-04-23 | 1977-10-28 | Meiki Seisakusho Kk | Method of preventing melting loss in injection molding |
-
1985
- 1985-07-19 JP JP15932285A patent/JPS6183016A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6183016A (ja) | 1986-04-26 |
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