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:
Oct. 15, 2002
Filed:
Nov. 30, 1999
Applicant:
Inventors:
Nigel Earl Fishlock, South Wales, GB;
Nigel Shackleton, South Wales, GB;
Anthony Brown, South Wales, GB;
Assignee:
Pirelli General PLC, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/44 ; B29D 1/100 ;
U.S. Cl.
CPC ...
G02B 6/44 ; B29D 1/100 ;
Abstract
In a method of manufacturing an optical fiber cable comprising optical fiber units disposed within an extruded sheath with water absorbent powder being provided between the optical fiber unit or units and the sheath, the fiber units pass through an extruder cross-head extruding said sheath together with a tape transporting the water absorbent powder The tape is formed upstream of said extruder crosshead into a channel into which said water absorbent powder is delivered and the tape is adhered to the inside surface of said sheath by fusion thereto.