Regulator with improved high pressure seat due to a plastic-covered valve body
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United States of America Patent
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May 9, 1995
Issued Date -
N/A
app pub date -
Mar 23, 1993
filing date -
Jun 28, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention disclosed herein comprises a self-contained breathing apparatus regulator having a valve seat for overlying the crown of an orifice wherein high pressure gas is regulated by said valve seat into said orifice. The valve seat has a valve seat body of an inverted T shaped configuration. The upright portion of the T shaped configuration is seated within a spring block assembly having a seal around said upright portion. A continuous plastic coating is provided around the valve seat body into the zone of said orifice and beyond the zone of said seal so as to expose the junction only to intermediate pressure to prevent delamination of the plastic from the valve seat body.
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