发明名称 A HYDRANT ASSEMBLY USING A CHECK VALVE
摘要 The present invention relates to a hydrant assembly having a check valve, which has an improved structure to simplify the replacement of a check valve embedded underground. The hydrant assembly having a check valve is comprised as follows. A female screw hole (21) is formed in the curved part of an elbow pipe (20). A check valve (80) is detachably coupled to the female screw hole (21). The top end of a protection pipe (200) is coupled to the top end of the elbow pipe (20), and the bottom end is located under the check valve (80) to protect the check valve (80) from buried soil. An air valve (90) is opened and closed to exhaust or inhale air between a fixing pipe (30) and a lifting pipe (40).
申请公布号 KR101578022(B1) 申请公布日期 2015.12.16
申请号 KR20150006044 申请日期 2015.01.13
申请人 WON, SEUNG YEON 发明人 WON, SEUNG YEON
分类号 A62C35/58;A62C35/68 主分类号 A62C35/58
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