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US 5,626,937 AGranted
Composite cards
AssigneeMitsubishi Materials Corporation
InventorsMasaki Morikawa, Naoyuki Hosoda, Naoki Uchiyama
Life of this patent
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Abstract
A precious metal foil composite comprising a precious metal foil encased, by lamination, in a transparent polymeric sheet material. The composite cards produced from this composite material are used for practical purposes by encasing the above composite together with another component having opaque decorative patterns, and finally encasing the entire assembly in a secondary hard protective covering to provide the outermost protection.
Claims7
A precious metal composite comprising:
- a precious metal member defining a substantially planar plate element having first and second planar surfaces and an outer periphery;
- a first plate element having a pictorial pattern on a surface thereof mounted in side-by-side, parallel-facing relation to said first planar surface;
- and
- a cover element made from a polymeric material encapsulating the combination of said first plate element and said substantially planar plate element;
- wherein said outer periphery of said substantially planar plate element is surrounded by said cover element.
2 more elements
Dependencies are inferred from the claim text.