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:
Jun. 11, 1991
Filed:
Mar. 21, 1990
Applicant:
Inventors:
Michel Maree, Gif sur Yvette, FR;
Patrick Moreau, Antony, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ; F42B / ;
U.S. Cl.
CPC ...
242167 ; 242128 ; 242159 ; 102504 ;
Abstract
The coil according to the invention has normal dimensions, but contains a considerable optical fiber length. It is constituted by a main cylindrical support (12) about which is wound a first part (18) of the optical fiber (16), which is to be unwound by pulling. It is constituted by a first concentric, supplementary cylindrical support (14) placed within the main cylindrical support (12), a second part (20) of the optical fiber (16) being wound around said first supplementary support (14), the inner layer of the first part (18) of the optical fiber (16) being directly connected to an outer layer of the second part (20) of the optical fiber (16).