The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 10, 1998

Filed:

May. 14, 1996
Applicant:
Inventors:

Hideto Sakane, Saitama, JP;

Hisayuki Yagi, Saitama, JP;

Nobuyuki Okuda, Tochigi, JP;

Koichi Inoue, Ibaraki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 81 ; 285 86 ; 285319 ; 285340 ; 285921 ; 285906 ;
Abstract

A pipe joint comprises a pipe having a spigot formed with an annular projection on an outer periphery of an end portion of the pipe, a member having a socket including a tubular portion for receiving the spigot therein and formed with an aperture in a peripheral wall of the tubular portion, the socket being internally formed with a bearing portion for receiving and bearing on the annular projection when the spigot is inserted into the socket, a resilient stopper mountable on the tubular portion of the socket and having a fitting portion fittable in the aperture, and a tubular stopper holder capable of covering the stopper. The stopper holder is so fixed as to cover the stopper by a recess formed in an outer surface of the stopper and an inward protrusion formed on the stopper holder and fittable in the recess. The fitting portion of the stopper is fitted into the socket aperture in an inwardly projecting state when the stopper is mounted on the socket tubular portion, and the annular projection of the spigot is fixedly positioned between the bearing portion and the stopper fitting portion when the spigot is inserted into the socket.


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