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.
Patent No.:
Date of Patent:
Nov. 10, 2015
Filed:
May. 07, 2010
Tamaki Hamaguchi, Tokyo, JP;
Tomoyuki Minami, Tokyo, JP;
Fumitaka Satoh, Tokyo, JP;
Takaaki Inotani, Kuwana, JP;
Fumikazu Ishibe, Kuwana, JP;
Satoru Araki, Kuwana, JP;
Youichi Uchiumi, Kawaguchi, JP;
Takuji Okiayu, Kuwana, JP;
Akihiro Hattori, Kuwana, JP;
Tamaki Hamaguchi, Tokyo, JP;
Tomoyuki Minami, Tokyo, JP;
Fumitaka Satoh, Tokyo, JP;
Takaaki Inotani, Kuwana, JP;
Fumikazu Ishibe, Kuwana, JP;
Satoru Araki, Kuwana, JP;
Youichi Uchiumi, Kawaguchi, JP;
Takuji Okiayu, Kuwana, JP;
Akihiro Hattori, Kuwana, JP;
Abstract
A pipe joint comprising a pressing nut into which a flexible pipe is inserted, a joint body into which the pressing nut is partially inserted, a resilient means unlocked when pushed by a tip end of the flexible pipe, a sealing member, a retainer engaging the flexible pipe, and an engaging mechanism keeping the pressing nut at a predetermined position in the joint body; the engaging mechanism comprising a stop ring, an annular groove formed on an outer surface of the pressing nut for receiving the stop ring, pluralities of engaging grooves formed on an inner surface of the joint body for receiving the stop ring and communicating with each other; the stop ring engaging both of the annular groove and the first engaging groove before the connection of the flexible pipe is completed; and when the flexible pipe is pulled after completing the connection, the stop ring moving from the first engaging groove to the second engaging groove to draw the pressing nut from the joint body, so that the normal connection of the flexible pipe can be confirmed.