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:
Sep. 28, 2010
Filed:
Aug. 21, 2008
Haruhiko Yamashita, Hyogo, JP;
Teruhiko Oshio, Hyogo, JP;
Haruhiko Yamashita, Hyogo, JP;
Teruhiko Oshio, Hyogo, JP;
Daicel Chemical Industries, Ltd., Osaka, JP;
Abstract
A tubular part for fixing and holding a fixing object part inserted therein, the fixing object part being fixed by inwardly crimping a circumferential wall on a side of one end opening of the tubular part, including: the tubular part having a chamfered corner on an inner peripheral side of the circumferential wall on the side of one end opening, a degree of chamfering being such that chamfering is performed between a point at a thickness Tmeasured from an outer circumferential surface of the one end opening and a point at a length Lmeasured from an end surface of the opening, and when a thickness of the circumferential wall of the opening is represented as T, (T−T)/T being 0.05 to 0.9 and (T−T)/Lbeing 0.8 to 1.2.