JP2663761B

PURPOSE:To provide a manufacture of laminated wrapping material having no risks of generating cracks on a thin film and spoiling a gas barrier property at the time of laminating a sheet onto another sheet, wherein the former is formed of a thin film of an inorganic or metallic compound having a good...

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Bibliographische Detailangaben
1. Verfasser:	KOMYA JUJI
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 DIFFUSION TREATMENT OF METALLIC MATERIAL INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES 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 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 provide a manufacture of laminated wrapping material having no risks of generating cracks on a thin film and spoiling a gas barrier property at the time of laminating a sheet onto another sheet, wherein the former is formed of a thin film of an inorganic or metallic compound having a good gas barrier property. CONSTITUTION:On one surface of a polyethyleneterephthalate film, the evaporated layer of silicon dioxide is formed by a method of vacuum evaporation and, on the evaporated layer, a heat buffering layer consisting of a polyethylene terephthalate film is laminated without heating the wrapping material, following this, polyethylene is extruded on the heat buffering layer to coat thereover, to thereby form a sealant layer.