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:
May. 15, 2012
Filed:
Aug. 07, 2009
Sotohiro Nakajima, Shiga, JP;
Hirokazu Takeuchi, Shiga, JP;
Sotohiro Nakajima, Shiga, JP;
Hirokazu Takeuchi, Shiga, JP;
Nippon Electric Glass Co., Ltd., Shiga, JP;
Abstract
A capillary tube holds an optical fiber. The capillary tube includes an insertion hole for inserting and fixing the optical fiber formed therein, a cylindrical surface as an outer circumferential surface, and a groove formed in the cylindrical surface in an axial direction thereof. Regions from the cylindrical surface to both inner side surfaces of the groove each have a projecting curved surface, and regions from both the inner side surfaces of the groove to a bottom of the groove each have a recessed curved surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile