MANUFACTURING OF PLASTIC COMPACT

PURPOSE:To obtain a thin and light-weight compact having an impact-resistant mirror, by planishing the reverse surface of the lid of a compact manufactured by the injection molding of a synthetic resin, metallizing the planished surface, coating with an ultraviolet-curing adhesive, and irradiating w...

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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 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 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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a thin and light-weight compact having an impact-resistant mirror, by planishing the reverse surface of the lid of a compact manufactured by the injection molding of a synthetic resin, metallizing the planished surface, coating with an ultraviolet-curing adhesive, and irradiating with ultraviolet rays. CONSTITUTION:In the manufacturing of the lid 1 of a compact by the injection molding of a thermoplastic synthetic resin, the reverse surface 1a of the lid is planished with the mold. A metallic layer 2 (preferably aluminum layer) is applied to the planished face 1D by vacuum deposition, and is coated with an ultraviolet-curing adhesive (e.g., polyfunctional acrylate) which is clear or becomes clear after curing. The overcoat layer 3 is covered with a transparent film 6, pressed, and irradiated through the film with ultraviolet rays to cure the overcoat layer. The lid having a plane mirror A at the reverse side can be obtained by removing the film from the overcoat layer.