High-pressure sealing of spray nozzle assemblies
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United States of America Patent
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Dec 29, 2020
Grant Date -
Jul 4, 2019
app pub date -
Apr 11, 2017
filing date -
Apr 11, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A static axial seal gland (100, 100) formed in relief in a substrate (31, 52) and having an inner sidewall (32, 53), an outer sidewall (33, 54) and a floor (34, 55) extending between the inner sidewall (32, 53) and the outer sidewall, one or both of the inner sidewall (32, 53) and the outer sidewall (32, 53) being concavely-profiled in radial section along a major portion of its depth to define a projecting lip (35, 56) proximal a land of the substrate (31, 52), the gland (100, 100′) being fitted with an elastomeric O-ring (39, 59) which is located and retained by interference with the projecting lip (35, 56), either under tension on the inner sidewall (32, 53) or in compression against the outer sidewall (33, 54).
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