Pipe joint

摘要

A pipe joint for preventing fine particles generated when a male threaded member and a female threaded member are threadedly engaged with each other from entering a fluid passage thus maintaining a high degree of cleanliness. Joint members are joined to each other by a male threaded member formed on one joint member and a female threaded member formed on the other joint member. A cover portion which covers outer peripheral surfaces of abutting portions of both joint members is formed on the male threaded member.

主权项

1. A pipe joint comprising:
a pair of pipe-shaped joint members consisting of a first joint member and a second joint member, a circular annular gasket which is interposed between end surfaces of both joint members, a male threaded member formed on the first joint member; and a female threaded member formed on the second joint member, wherein the first and the second joint members each comprises: a cylindrical sleeve body which inner periphery forms a fluid passage; and a flange projecting from the sleeve body, wherein each flange is integrally formed with an end portion of each joint member, and end surfaces of the flanges face each other in an opposed manner, wherein an excessive fasten preventing gap is formed between the flanges, wherein the excessive fasten preventing gap is smaller than a thickness of the gasket, wherein the male threaded member comprises a male threaded portion and a cover portion, wherein the cover portion comprises no thread and covers outer peripheral surfaces of the excessive fasten preventing gap upon the joint members being fastened.