Packing

Details Packing Packing

1994-08-22

1996-05-21

Miska, Vit. W.

Horology: time measuring systems or devices

Cases

With bezel or crystal details

368276, G04B 3700

Patent

active

055196748

ABSTRACT:
An annular packing (30) has a cross-section in the form of a dumbbell including two enlargements (31, 32) connected by a neck (33). In a preferred embodiment the enlargements exhibit a polygonal cross-section. The packing advantageously replaces an O-ring seal in which the interior diameter of the ring is large relative to the diameter of the cross-section of the ring. The packing is arranged between two parts driven at different speeds, in precision mechanisms or in horology.

REFERENCES:
patent: 4110970 (1978-09-01), Funazauwa et al.
patent: 4391534 (1983-07-01), Matsumura et al.
patent: 4545688 (1985-10-01), Ray et al.
patent: 4975893 (1990-12-01), Dazbusco

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