Water-tight watch case

Details Water-tight watch case Water-tight watch case

1976-02-27

1978-08-08

Jackmon, Edith S.

Special receptacle or package

For holding a machine readable recording medium

For holding a grooved phonograph disc

58 55, 206 18, 206305, 220352, G04B 3700, G04B 3708

Patent

active

041048679

ABSTRACT:
The water-tight watch case is disclosed wherein the case provides a water-tight enclosure for an electronic watch module and wherein the case includes a removable cover portion for providing physical access to the interior of the case for replacement of batteries and the like. The removable cover portion includes a truncated conically tapered sealing ring surface having an angle of taper less than 8.degree. and preferably in the range of 7.degree. to 3.degree. for providing an interference-contact axial press fit with a mating truncated conically tapered surface of the case. A water-tight seal is formed between the cover and the case essentially solely due to the axially pressed interference-contact fit between the pair of mated tapered sealing ring surfaces.

REFERENCES:
patent: 2587087 (1952-02-01), Arnoux
patent: 2951333 (1960-09-01), Morf
patent: 3418802 (1968-12-01), Little et al.
patent: 3490177 (1970-01-01), Perrion

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