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. 08, 1985
Filed:
Mar. 19, 1984
John F Porter, St. Catharines, CA;
Joerg-Heim J Walling, Beaconsfield, CA;
Oleg Axiuk, Pincourt, CA;
Northern Telecom Limited, Montreal, CA;
Abstract
A method and apparatus to apply pulp to a telecommunications conductor with an adhesive which is formed from acrylic resin solution. The solution is applied in a bath and is passed between wiping rolls with the feed speed of the conductor and the differential speed between the peripheral surfaces of the wiping rolls and the conductor being controlled together with the contact angle between the conductor and the rolls. This control results in a dried thickness of resin of no greater than 0.00015 inches and as little as 20 microns after further stages in the method. These steps include drying the solution in a solution drying oven, coating the adhesive with pulp and drying the pulp coated conductor. For absolute control of the process, it is preferred for the wiping rolls to be moving in the opposite direction to the conductor at regions of contact with the conductor, for the solution to be prevented from drying as it passes between the wiping rolls, and for there to be continuous relative reciprocating movement between the conductor and the wiping rolls in the axial direction of the rolls.