Check valve
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Feb 15, 1994
filing date -
Jul 5, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a check valve, particularly for sanitary water fittings, whereby preferably the valve closing member (11) is composed of a cone (4) and a cone cap (5), which is provided in the closing direction of the check valve with a dome-like attachment (12) wherein the valve closing member 98) of a pressure-relief valve is located, while the cone (4) has in the opening direction of the check valve a tubular extension (14) with a lateral inlet opening (13), the upper end of this extension forming a valve seat (15) for the valve closing member (8) of the pressure-relief valve (10), whereby this valve closing member (8) on its side facing away from the valve seat (15) rests on the top (16) of the attachment (12).
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