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.)
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L Salvy & Fils Ets
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L Salvy & Fils Ets
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Application filed by L Salvy & Fils EtsfiledCriticalL Salvy & Fils Ets
Application grantedgrantedCritical
Publication of FR1013324ApublicationCriticalpatent/FR1013324A/fr
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
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Mechanical Engineering
(AREA)
FR1013324D1950-02-271950-02-27Procédé de fabrication de disques de phonographes et disques obtenus par ce procédé
ExpiredFR1013324A
(fr)