FR2252201A1 - Press tool for moulding thermoplastic record discs - incorporating a sintered filter to develop symmetrical heat transfer fluid flow - Google Patents
Press tool for moulding thermoplastic record discs - incorporating a sintered filter to develop symmetrical heat transfer fluid flowInfo
- Publication number
- FR2252201A1 FR2252201A1 FR7438240A FR7438240A FR2252201A1 FR 2252201 A1 FR2252201 A1 FR 2252201A1 FR 7438240 A FR7438240 A FR 7438240A FR 7438240 A FR7438240 A FR 7438240A FR 2252201 A1 FR2252201 A1 FR 2252201A1
- Authority
- FR
- France
- Prior art keywords
- fluid flow
- fluid
- distribution
- press tool
- incorporating
- 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.)
- Withdrawn
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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
- B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
-
- 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)
- Filtering Materials (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5430573 | 1973-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2252201A1 true FR2252201A1 (en) | 1975-06-20 |
Family
ID=10470587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7438240A Withdrawn FR2252201A1 (en) | 1973-11-22 | 1974-11-21 | Press tool for moulding thermoplastic record discs - incorporating a sintered filter to develop symmetrical heat transfer fluid flow |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU7531674A (nl) |
BE (1) | BE822470A (nl) |
DE (1) | DE2455223A1 (nl) |
FR (1) | FR2252201A1 (nl) |
NL (1) | NL7415194A (nl) |
SE (1) | SE7414639L (nl) |
-
1974
- 1974-11-13 AU AU75316/74A patent/AU7531674A/en not_active Expired
- 1974-11-21 NL NL7415194A patent/NL7415194A/nl unknown
- 1974-11-21 BE BE150744A patent/BE822470A/xx unknown
- 1974-11-21 FR FR7438240A patent/FR2252201A1/fr not_active Withdrawn
- 1974-11-21 DE DE19742455223 patent/DE2455223A1/de active Pending
- 1974-11-21 SE SE7414639A patent/SE7414639L/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7415194A (nl) | 1975-05-26 |
DE2455223A1 (de) | 1975-05-28 |
AU7531674A (en) | 1976-05-13 |
BE822470A (fr) | 1975-03-14 |
SE7414639L (nl) | 1975-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES168745U (es) | Cartucho para la preparacion rapida de una bebida caliente. | |
GB1251466A (nl) | ||
ES407064A1 (es) | Perfeccionamientos en conjuntos de pared movil para servo- motores. | |
ES442951A1 (es) | Un dispositivo de prensado entre matrices. | |
GB1106535A (en) | Improvements relating to gramophone record presses | |
FR2252201A1 (en) | Press tool for moulding thermoplastic record discs - incorporating a sintered filter to develop symmetrical heat transfer fluid flow | |
GB1437175A (en) | Record presses | |
IT1055584B (it) | Pressa idraulica per la realizzazione di dischi di registrazione | |
JPS5281673A (en) | Hydraulic press in which diaphragm in which pressure medium is introduced can be exchanged | |
BE778287A (fr) | Procede pour le reglage de pression et de volume pour des pompes a membrane et a piston | |
GB1417991A (en) | Apparatus for maintaining a uniform peripheral or surface temperature on a cylinder | |
CA972010A (en) | Pressure limiter for hydraulic booster | |
GB901814A (en) | A die for the manufacture of flexible gramophone records | |
ES440761A1 (es) | Perfeccionamientos en aparatos para producir moldes de cola-da. | |
NL7412292A (nl) | Anti-blokkeringsinrichting voor drukmedium nde rem. | |
GB1262038A (en) | Apparatus for magnetic recording | |
ES410929A1 (es) | Valvula rotativa de varias vias para un medio de presion. | |
FR2252200A1 (en) | Press tool for moulding thermoplastic record discs - with cellular tool wall zone to assist rapid heat transfer swings | |
CA1006526A (fr) | Procede de preparation de nouveaux 1-(2-.delta.2-imidazolinyl)-2,2-diarylcyclopropanes | |
IT1055583B (it) | Pressa idraulica per la realizzazione di dischi di registrazione | |
GB1422944A (en) | Chip removal in the cutting of fine groove discs | |
US1311342A (en) | gloetzner | |
ES418850A1 (es) | Procedimiento de fabricacion de piezas huecas de paredes delgadas de politetrafluoretileno. | |
CA1001391A (en) | Procedure for the manufacturing of a pressure medium manipulated regulating unit | |
FR2408493A1 (fr) | Reservoir de fluide de freinage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |