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:
Mar. 28, 2017
Filed:
Jul. 02, 2015
Tokiwa Corporation, Nakatsugawa-shi, Gifu, JP;
Yukikazu Ishida, Kawaguchi, JP;
TOKIWA CORPORATION, Nakatsugawa-Shi, JP;
Abstract
At a distal end of a pipe member, a plurality of projectionsare disposed circumferentially. The projectionextends frontward in an axial direction. At a tip end of a leading tube, a groove forming section G is disposed. The groove forming section G includes a plurality of groovescircumferentially in an inner peripheral surface. The groovesextend in the axial direction. The projectionof the pipe memberenters the groove. At the leading tube, an inner diameter of a convex partbetween the groovesandcircumferentially arranged and an inner diameter of a pipe part that houses the projectionof the pipe memberand the stick-like material rearward with respect to this projectionof the pipe member are identical size.