2-way collar and O-ring seal assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
May 26, 2000
filing date -
May 26, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
First and second collars cooperate with first and second seal members separated by a retaining ring assembled onto a valve piston. The collars selectively engage the valve housing at one end and the retaining ring at the other end to limit the travel of the piston between first and second positions. Moreover, the assembly offers a cost effective alternative to the bonded rubber seals provided on known piston arrangements.
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