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:
Feb. 19, 2019
Filed:
Nov. 29, 2013
Applicant:
Prysmian S.p.a., Milan, IT;
Inventors:
Ralph Sutehall, Milan, IT;
Martin Davies, Milan, IT;
Nathan Paddick, Milan, IT;
Paul Roberts, Milan, IT;
Ian Dewi Lang, Milan, IT;
Mark Richard Mason, Milan, IT;
Assignee:
PRYSMIAN S.p.A, Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4438 (2013.01); G02B 6/4433 (2013.01); G02B 6/4486 (2013.01); G02B 6/4464 (2013.01);
Abstract
An optical fiber unit for air-blown installations includes a number of optical conductors, a first layer of resin material, a second layer of resin material radially outer to the first layer of resin material and a sheath of a thermoplastic material, wherein the second layer of resin material has a secant modulus higher than a secant modulus of the first layer of resin material and wherein the sheath of thermoplastic material is over and in close contact with the second layer of resin material.