Horology: time measuring systems or devices – Cases – Of particular material
Patent
1987-01-08
1988-03-08
Miska, Vit W.
Horology: time measuring systems or devices
Cases
Of particular material
29179, 428543, G04B 3700, B23P 1300
Patent
active
047302887
ABSTRACT:
An exterior element for a wrist watch such as a case or bracelet at least partially formed from a composite material. Such material comprises an organic binder such as an acetal homopolymer and macroscopic particles of mineral substances which arrive flush with at least a portion of the visible surface of the element and cover the major part of said portion.
REFERENCES:
patent: 3841848 (1974-10-01), Kasai et al.
patent: 3861990 (1975-01-01), Kasai et al.
patent: 4495254 (1985-01-01), Hoffman
Miska Vit W.
Montres Rado S.A.
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