Watch case having synthetic material seals between detachable pa

Details Watch case having synthetic material seals between detachable pa Watch case having synthetic material seals between detachable pa

1983-12-21

1985-10-08

Roskoski, Bernard

Horology: time measuring systems or devices

Cases

With protection means

368294, 368289, 368287, G04B 3700

Patent

active

045456887

ABSTRACT:
The watch case comprising a middle (2) containing a lining (4) and a back (9) detachably mounted in a lower opening of the middle by means of a pressure device. A band (12) of synthetic material constituting a seal is formed on the periphery of the opening, that band being made in one piece with the lining and connected to it by portions of synthetic material crossing appropriate passages (15) of the middle. The side walls (16) of the opening are at least partially devoid of lining and they work together with opposite surfaces (17) of the back in order to assure pressure coupling of the latter and compression of the band (12).

REFERENCES:
patent: 3479771 (1969-11-01), Steimann
patent: 3643424 (1972-02-01), Simon

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