FR2039980A5 - Gramophone record mould - Google Patents
Gramophone record mouldInfo
- Publication number
- FR2039980A5 FR2039980A5 FR7010755A FR7010755A FR2039980A5 FR 2039980 A5 FR2039980 A5 FR 2039980A5 FR 7010755 A FR7010755 A FR 7010755A FR 7010755 A FR7010755 A FR 7010755A FR 2039980 A5 FR2039980 A5 FR 2039980A5
- Authority
- FR
- France
- Prior art keywords
- mould
- cavity
- gramophone record
- record mould
- bore over
- 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
- 230000004323 axial length Effects 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
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- 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
Abstract
Gramophone record mould. Device has separating mould parts producing a cavity when lying against each other. A nozzle feeds moulding material and comprises a tube with relatively wide bore over the largest part of its axial length and a relatively narrow bore over a small part of it near the mould cavity where its point projects into the cavity. Specif. one mould cavity is fixed, the other movable.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB62991/69A GB1301095A (en) | 1969-03-26 | 1969-03-26 | Improvements in or relating to the production of gramophone records |
GB1570069 | 1969-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2039980A5 true FR2039980A5 (en) | 1971-01-15 |
Family
ID=26251481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7010755A Expired FR2039980A5 (en) | 1969-03-26 | 1970-03-25 | Gramophone record mould |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4836179B1 (en) |
DE (1) | DE2014311A1 (en) |
FR (1) | FR2039980A5 (en) |
NL (1) | NL7003886A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0047645A1 (en) * | 1980-09-05 | 1982-03-17 | Matsushita Electric Industrial Co., Ltd. | A method of producing an information recording disk |
EP0051252A2 (en) * | 1980-10-31 | 1982-05-12 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
EP0051253A2 (en) * | 1980-10-31 | 1982-05-12 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
US4466934A (en) * | 1980-10-31 | 1984-08-21 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE71575T1 (en) * | 1986-02-26 | 1992-02-15 | Meiki Seisakusho Kk | FORMING DEVICE AND METHOD FOR MAKING PLATES WITH CENTER HOLE. |
-
1970
- 1970-03-18 NL NL7003886A patent/NL7003886A/xx unknown
- 1970-03-25 FR FR7010755A patent/FR2039980A5/en not_active Expired
- 1970-03-25 DE DE19702014311 patent/DE2014311A1/de active Pending
- 1970-03-26 JP JP2558070A patent/JPS4836179B1/ja active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0047645A1 (en) * | 1980-09-05 | 1982-03-17 | Matsushita Electric Industrial Co., Ltd. | A method of producing an information recording disk |
US4472124A (en) * | 1980-09-05 | 1984-09-18 | Matsushita Electric Industrial Co., Limited | Device for producing an information recording disk |
EP0051252A2 (en) * | 1980-10-31 | 1982-05-12 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
EP0051253A2 (en) * | 1980-10-31 | 1982-05-12 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
EP0051253A3 (en) * | 1980-10-31 | 1983-04-06 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
EP0051252A3 (en) * | 1980-10-31 | 1983-04-20 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
US4466934A (en) * | 1980-10-31 | 1984-08-21 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
Also Published As
Publication number | Publication date |
---|---|
NL7003886A (en) | 1970-09-29 |
DE2014311A1 (en) | 1970-10-15 |
JPS4836179B1 (en) | 1973-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |