Device for leakproof fastening of a watch glass to a watch case
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United States of America Patent
Stats
-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Feb 29, 2000
filing date -
Mar 3, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device comprising an annular seal having an annular projection engaged into a groove in the edge of the watch glass is disclosed. The lower part of the seal, said lower part having a bulge, engages onto a surface of the housing and is compressed radially by the bezel. The inner lateral surface of the bezel, said surface being fitted around this seal, comprises two concentric cylindrical surfaces of different cross sections, the surface of larger cross section being that which is adjacent to the base of the bezel, these cross sections being slightly smaller than the cross sections of the outer lateral face of the seal and of the bulge in the non-compressed state. The base of the outer lateral surface of the upper part of the housing has a groove in order to receive a portion of the seal, said portion being deformed by the bezel, thus ensuring the axial blocking of this seal.
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