Wrist-watch casing

Details Wrist-watch casing Wrist-watch casing

1982-05-04

1983-08-09

Truhe, J. V.

Horology: time measuring systems or devices

Cases

With protection means

368276, 368287, 368292, G04B 3708, G04B 1924

Patent

active

043975666

ABSTRACT:
The glass (1) of the wrist-watch casing carries the ornamental pieces of the casing visible face surrounding the watch dial (17). These pieces comprise a frame (2) of precious or semi-precious material or a very thin metallized layer (31) deposited under the glass (1). The frame (2) is glued in an indissoluble and resistant manner under glass (1) and a spacing frame (3) is similarly glued under frame (2). The collar (6) of tapped sockets (5) is caught and glued in lodgings (7) provided in the face of frame (3) which is glued to frame (2). The unit composed of these pieces (2, 3, 5) and the glass (1) are removably secured to the caseband (8) by means of screws (9) crossing the caseband and engaging sockets (5) fitting borings (19) of the caseband.
Under the metallized layer (31) a single spacing frame (25) of base metal is necessary and sockets (5) are welded in lodgings (26) of that frame.

REFERENCES:
patent: 2727354 (1955-12-01), Ochs
patent: 3241308 (1966-03-01), Forney
patent: 3242664 (1966-03-01), Lederrey
patent: 3756017 (1973-09-01), Genta
patent: 3777473 (1973-12-01), Bussi
patent: 3952499 (1976-04-01), Reisman
patent: 4197747 (1980-04-01), Koehler
patent: 4281406 (1981-07-01), Tanaka

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