LOOSE PREVENTING DEVICE OF A PIPE COUPLING, CAPABLE OF PREVENTING LOOSE BETWEEN A COUPLING MEMBER AND A NUT DUE TO THE COEFFICIENT OF THERMAL EXPANSION

摘要

PURPOSE: A loose preventing device of a pipe coupling is provided to prevent water leakage by covering the external diameter of the pipe with rubber band and a main body by using a coupling member and a nut.;CONSTITUTION: A loose preventing device of a pipe coupling comprises a bonding body(21), and a fixed body(22). The bonding body is made of a combining projection. A gripping groove, and a guide groove and a fixing hole are formed in the coupling projection. The fixed body comprises a fixed lug. The fixed lug forms a gripping groove covering the opposite side tension part of a tension part(12) which the gripping groove covers. The fixed lug is coupled on the guide groove. The fixing hole passes through the fixed lug.;COPYRIGHT KIPO 2010