MANUFACTURE OF SYNTHETIC RESIN-MADE COMPACT

PURPOSE:To obtain a thin and lightweight compact with a mirror, by mirror finishing the back of the cover body of a synthetic resin-made compact and after vacuum-depositing a metal layer on it, superimposing a transparent film via an ultrviolet-curing adhesive, then irradiating with ultraviolet ray....

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA KEISHIN, SUZUKI MITSUO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G 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 COMPOSITIONS BASED THEREON DIFFUSION TREATMENT OF METALLIC MATERIAL GENERAL PROCESSES OF COMPOUNDING HAIRDRESSING OR SHAVING EQUIPMENT HAND OR TRAVELLING ARTICLES HUMAN NECESSITIES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANICURING OR OTHER COSMETIC TREATMENT METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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 THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a thin and lightweight compact with a mirror, by mirror finishing the back of the cover body of a synthetic resin-made compact and after vacuum-depositing a metal layer on it, superimposing a transparent film via an ultrviolet-curing adhesive, then irradiating with ultraviolet ray. CONSTITUTION:At first the cover body 1 of compact having a mirror plane part 1b of surface rougness preferably less than 0.2S and a peripheral groove 5 etc. is formed by injection molding etc. of thermoplastic synthetic resin of PE, PS etc. Then, a metal layer 2 of aluminum etc. is formed on the plane part 1b of the cover body 1 by vacuum deposition method so that its film thickness becomes preferably more than 400Angstrom . A transparent ultraviolet-curing adhesive layer 3 of polyfunctional acrylate etc. is applied on the metal layer 2 and a laminate type transparent film 4 composed of a hard coat layer 4a on one side and a synthetic resin layer 4b having compatibility and close adherence with an adhesive layer 3 on another side is laminated and pressed on it, the adhesive layer 3 is cured by irradiating with ultraviolet ray, thus the cover 7 having a plane mirror A on its back formed.