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公开(公告)号：US11644135B2
公开(公告)日：2023-05-09
申请号：US17684900
申请日：2022-03-02
发明人： Jinlim Choi
CPC分类号： F16L25/0036 , F16L11/15 , F16L19/0206 , F16L19/065 , F16L33/26 , F16L33/32 , F16L2201/10
摘要： Provided is a corrugated pipe connection device. The device includes a corrugated pipe including a groove and a ridge that are successively and alternately formed, a nut into which one side portion of the corrugated pipe is inserted, wherein the nut has a screw-thread on an inner circumferential surface thereof, a clamping ring being formed in a ring shape cut at one place thereof and including an inner portion formed convexly in a radially inward direction of the corrugated pipe to be inserted into the groove of the corrugated pipe and an outer portion protruded in a radially outward direction from the inner portion, wherein the outer portion comprises an outer circumferential surface, and a socket having a screw-thread on an outer circumferential surface thereon onto which the nut is screwed.
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公开(公告)号：US11306850B2
公开(公告)日：2022-04-19
申请号：US16169722
申请日：2018-10-24
发明人： Jinlim Choi
摘要： A corrugated pipe connection device is completely coupled by primarily screwing a nut and a socket after interposing a clamping ring between the nut and the socket, inserting an one-side portion of a corrugated pipe, including a groove and a ridge that are successively and alternately formed, into the nut, and secondarily screwing the nut and the socket so that an inner portion of the clamping ring is inserted into the groove of the corrugated pipe and a distal end of the corrugated pipe is pressed. The corrugated pipe connection device is easily coupled in a simplified manner and is capable of achieving enhanced sealing efficiency.
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