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:
Dec. 17, 1991
Filed:
Jul. 06, 1988
Applicant:
Inventors:
Assignee:
Asahi Kogaku Kogyo K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385115 ; 385116 ; 385117 ;
Abstract
An optical fiber bundle for an endoscope or the like which can be subjected to cyclic bending at a small radius of curvature without causing fiber breakage. The fiber bundle includes a plurality of optical fibers bound at both ends but with individual fibers being freely movable inside the middle portion of the bundle, which is covered by a flexible tube. A gelling fluid coating the fibers is filled in the flexible tube.