Assembly comprising a hard plastic watch case and at least one p

Details Assembly comprising a hard plastic watch case and at least one p Assembly comprising a hard plastic watch case and at least one p

1997-05-07

1999-12-14

Roskoski, Bernard

Horology: time measuring systems or devices

Crown or stem details

368321, G04B 2900

Patent

active

060008423

ABSTRACT:
The assembly according to the invention comprises a hard plastic watch case (2), having on its middle part one or more sealed push buttons (5) made in an inexpensive manner. Each push button (5) comprises a hard plastic stem (10), for example the same material as the case, and an elastomer flexible head (12) which is over moulded onto an external surface (15) of the case. The case and the push buttons may be manufactured by injecting two materials in a single mould. The invention applies to electronic watches and to mechanical watches.

REFERENCES:
patent: 3621649 (1971-11-01), Vulcan et al.
patent: 3973099 (1976-08-01), Morris
patent: 4511260 (1985-04-01), Pasquier

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