JPH0579010B2 - - Google Patents
Info
- Publication number
- JPH0579010B2 JPH0579010B2 JP61080189A JP8018986A JPH0579010B2 JP H0579010 B2 JPH0579010 B2 JP H0579010B2 JP 61080189 A JP61080189 A JP 61080189A JP 8018986 A JP8018986 A JP 8018986A JP H0579010 B2 JPH0579010 B2 JP H0579010B2
- Authority
- JP
- Japan
- Prior art keywords
- molding
- axial
- substrate
- mold
- injection
- 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
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
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
-
- 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
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
-
- 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
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
- B29C2045/2657—Drive means for the outer peripheral ring
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 |
---|---|---|---|
JP8018986A JPS62275722A (ja) | 1986-04-09 | 1986-04-09 | 光デイスク成形法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8018986A JPS62275722A (ja) | 1986-04-09 | 1986-04-09 | 光デイスク成形法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62275722A JPS62275722A (ja) | 1987-11-30 |
JPH0579010B2 true JPH0579010B2 (enrdf_load_stackoverflow) | 1993-11-01 |
Family
ID=13711427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8018986A Granted JPS62275722A (ja) | 1986-04-09 | 1986-04-09 | 光デイスク成形法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62275722A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2642158B2 (ja) * | 1988-08-16 | 1997-08-20 | 住友重機械工業株式会社 | 光ディスク基板成形用金型 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60196322A (ja) * | 1984-03-19 | 1985-10-04 | Meiki Co Ltd | ディスク基盤用成形型及びそれを用いたディスク基盤の射出成形法 |
JPH0694142B2 (ja) * | 1986-03-07 | 1994-11-24 | 松下電器産業株式会社 | レプリカ板の製造方法 |
JPS62222822A (ja) * | 1986-03-26 | 1987-09-30 | Matsushita Electric Ind Co Ltd | 射出・圧縮成形機 |
-
1986
- 1986-04-09 JP JP8018986A patent/JPS62275722A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62275722A (ja) | 1987-11-30 |
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