Check valve for spray nozzle and nozzle tube
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United States of America Patent
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Jun 28, 2016
Grant Date -
Nov 29, 2012
app pub date -
May 24, 2012
filing date -
May 25, 2011
priority date (Note) -
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Abstract
A check valve for a spray nozzle including a tubular valve body, a shut-off member and a valve seat, wherein the shut-off member is mounted for movement at least in a longitudinal direction of the tubular valve body. The shut-off member is connected to the valve body by a corrugated tube disposed parallel to the longitudinal direction, wherein the shut-off member is biased toward the valve seat due to the spring effect of the corrugated tube. The check valve is suitable for use in, for example, descaling nozzles.
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