JPH0153615B2 - - Google Patents
Info
- Publication number
- JPH0153615B2 JPH0153615B2 JP58225084A JP22508483A JPH0153615B2 JP H0153615 B2 JPH0153615 B2 JP H0153615B2 JP 58225084 A JP58225084 A JP 58225084A JP 22508483 A JP22508483 A JP 22508483A JP H0153615 B2 JPH0153615 B2 JP H0153615B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- gap
- fixed
- degassing
- stamper
- 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
- B29C45/26—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
- B29C45/34—Moulds having venting means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22508483A JPS60115417A (ja) | 1983-11-28 | 1983-11-28 | 射出成形機の金型装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22508483A JPS60115417A (ja) | 1983-11-28 | 1983-11-28 | 射出成形機の金型装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60115417A JPS60115417A (ja) | 1985-06-21 |
JPH0153615B2 true JPH0153615B2 (en]) | 1989-11-15 |
Family
ID=16823757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22508483A Granted JPS60115417A (ja) | 1983-11-28 | 1983-11-28 | 射出成形機の金型装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60115417A (en]) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60187034U (ja) * | 1984-05-23 | 1985-12-11 | 株式会社テクノプラス | 円盤状記録媒体成形用スタンパの外周部取付構造 |
JPH065142Y2 (ja) * | 1986-05-16 | 1994-02-09 | 株式会社リコー | 光ディスク成形用の射出成形金型 |
JPS62286718A (ja) * | 1986-06-06 | 1987-12-12 | Victor Co Of Japan Ltd | デイスク成形用金型 |
JPS6382714A (ja) * | 1986-09-27 | 1988-04-13 | Meiki Co Ltd | デイスク基盤成形型 |
JP2747081B2 (ja) * | 1989-03-31 | 1998-05-06 | 日立マクセル株式会社 | 光記録媒体用透明基板の製造方法および成形金型 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5098073U (en]) * | 1974-01-18 | 1975-08-15 | ||
JPS5946766B2 (ja) * | 1978-10-26 | 1984-11-14 | 小島プレス工業株式会社 | プラスチツクまたはゴムの成形品の製法 |
-
1983
- 1983-11-28 JP JP22508483A patent/JPS60115417A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60115417A (ja) | 1985-06-21 |
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