Sealing gasket arrangement
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United States of America Patent
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-
Sep 23, 1997
Grant Date -
N/A
app pub date -
Jul 10, 1996
filing date -
Jul 14, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing gasket (9, FIG. 1 ) has a spiral wound element 10 secured to a surrounding locating plate 11 which is thinner than usual locating rings and may include bolt apertures 23.sub.1 etc. The plate 11 has a central aperture 22 which is surrounded by simple embossment 26 inclined to the longitudinal axis at an angle corresponding to the inclination of the ridge 21 presented by the outer turn of the spiral wound element. The aperture 22 receives the sealing face 18 of the element thereby and overlies the ridge 21 to which it is spot welded at a plurality of points. The plate has some resilience permitting the spiral wound element to compress properly under load, but being simple to fabricate and assemble.
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