METAL SURFACE LAYER OF ORNAMENTS SUCH AS WATCH CASE AND ITS FORMATION

PURPOSE:To increase resistance to scratch and crack by laminating a hard, transparent glass protective layer and a silica layer of specific composition sequentially on the pretreated surface of the base of a metal molded projected for ornament. CONSTITUTION:The surface of the base of a metal molded...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAMANO KAZUMI, IRIE KENJI, KUSHIDA HACHIRO, IMAZAWA YOSHIJI
Format: Patent
Sprache:eng
Schlagworte:
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