PIPE JOINT,申请号JP20140100812-传众专利搜索

PIPE JOINT

申请公布号：JP2015218758(A)

申请号：JP20140100812

申请日期：2014.05.14

申请公布日期：2015.12.07

申请人：

KVK CORP

发明人：NOMURA YUKINAGA

分类号：F16L19/08

主分类号：F16L19/08

摘要：PROBLEM TO BE SOLVED: To provide a pipe joint capable of preventing leakage of a fluid due to loosening of a cap nut by preventing loosening of the cap nut to a joint body in a final fastening state, and preventing falling of the cap nut after shipping before construction by also preventing loosening of the cap nut to the joint body in a temporal fastening state, to reduce a risk of damage by components to each other.SOLUTION: A cap nut 30 is provided with a projecting portion 37 circularly formed, a first projection 53c and a second projection 60c on which the projecting portion 37 can get over, are formed on a ring member 50 in a state of being axially adjacent to each other, loosening of the cap nut in temporal fastening can be prevented by screwing by temporary fastening of the cap nut 30 to a male screw portion 26 of the joint body 10, and further the loosening of the cap nut 30 in final fastening is prevented by final fastening of the cap nut 30 to the male screw portion 26.