Horology: time measuring systems or devices – Cases – Of particular material
Patent
1987-10-26
1991-11-12
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
Of particular material
368282, 368295, G04B 3700
Patent
active
050653741
ABSTRACT:
The watch case of this invention includes a caseband-bezel formed of solid leather. According to one method of manufacture one begins with a blank of leather having dimensions slightly greater than those of the finished article such blank being subjected to the following operations in succession: drying, impregnation, hardening, machining to final tolerances and finishing.
Natural or reconstituted leather may be employed.
REFERENCES:
patent: 4084415 (1978-04-01), Corman
patent: 4575833 (1986-03-01), Bakhtiari
patent: 4731766 (1988-03-01), Bunyea
Soder Robert
Willemin Albert
Eta SA Fabriques d'Ebauches
Roskoski Bernard
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