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. 27, 2014
Filed:
Aug. 28, 2008
Applicants:
Atsushi Yago, Saitama, JP;
Nobuharu Takahashi, Saitama, JP;
Yoshiyuki Yoshimoto, Saitama, JP;
Rei Miyasaka, Shizuoka, JP;
Inventors:
Atsushi Yago, Saitama, JP;
Nobuharu Takahashi, Saitama, JP;
Yoshiyuki Yoshimoto, Saitama, JP;
Rei Miyasaka, Shizuoka, JP;
Assignee:
Fujinon Corporation, Saitama-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An endoscope flexible tube comprises: a tubular structure having flexibility; and a shell layer on an outer peripheral surface of the tubular structure, wherein the shell layer has a two-layer structure including a rigid resin layer of a rigid resin and a soft resin layer of a soft resin, and wherein the two-layer structure is maintained over the entire flexible tube in its length direction.