MOLDING OF DISK CARTRIDGE SHUTTER MADE OF POLYACETAL

PURPOSE:To mold a disk cartridge shutter having a good accuracy and an excellent productivity. CONSTITUTION:In molding a disk cartridge shutter molded object made of a polyacetal resin, the surface of a mold is composed of a film of a compd. selected from TiC, TiN and TiC-TiN and projection parts ar...

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Bibliographische Detailangaben
1. Verfasser:	HANEZAWA HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS THEREOF DIFFUSION TREATMENT OF METALLIC MATERIAL INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To mold a disk cartridge shutter having a good accuracy and an excellent productivity. CONSTITUTION:In molding a disk cartridge shutter molded object made of a polyacetal resin, the surface of a mold is composed of a film of a compd. selected from TiC, TiN and TiC-TiN and projection parts are provided to the liners connected to both sides of the rear surface of the cartridge shutter molded object and grasped to be pulled up to take out the disk cartridge shutter molded object.