JPS57103108A - Plane information recording die - Google Patents
Plane information recording dieInfo
- Publication number
- JPS57103108A JPS57103108A JP17826580A JP17826580A JPS57103108A JP S57103108 A JPS57103108 A JP S57103108A JP 17826580 A JP17826580 A JP 17826580A JP 17826580 A JP17826580 A JP 17826580A JP S57103108 A JPS57103108 A JP S57103108A
- Authority
- JP
- Japan
- Prior art keywords
- die
- fitted
- case
- information recording
- die case
- 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
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
- B29C45/2632—Stampers; Mountings thereof
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C45/1742—Mounting of moulds; Mould supports
- B29C2045/1746—Mounting of moulds; Mould supports using magnetic means
-
- 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
- B29C45/2632—Stampers; Mountings thereof
- B29C2045/2638—Magnetic means for mounting stampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2017/00—Carriers for sound or information
- B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
- B29L2017/003—Records or discs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17826580A JPS57103108A (en) | 1980-12-16 | 1980-12-16 | Plane information recording die |
US06/299,580 US4472124A (en) | 1980-09-05 | 1981-09-04 | Device for producing an information recording disk |
DE8181304051T DE3167483D1 (en) | 1980-09-05 | 1981-09-04 | A method of producing an information recording disk |
EP81304051A EP0047645B1 (en) | 1980-09-05 | 1981-09-04 | A method of producing an information recording disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17826580A JPS57103108A (en) | 1980-12-16 | 1980-12-16 | Plane information recording die |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57103108A true JPS57103108A (en) | 1982-06-26 |
JPH0118482B2 JPH0118482B2 (ja) | 1989-04-06 |
Family
ID=16045459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17826580A Granted JPS57103108A (en) | 1980-09-05 | 1980-12-16 | Plane information recording die |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57103108A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01253886A (ja) * | 1988-03-31 | 1989-10-11 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体 |
-
1980
- 1980-12-16 JP JP17826580A patent/JPS57103108A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01253886A (ja) * | 1988-03-31 | 1989-10-11 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体 |
Also Published As
Publication number | Publication date |
---|---|
JPH0118482B2 (ja) | 1989-04-06 |
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