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:
Jul. 26, 2011
Filed:
Apr. 16, 2009
Jacob Lahijani, Wilmington, DE (US);
Jacob Lahijani, Wilmington, DE (US);
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A process is provided for rotolining the interior surface of an oil pipe having an inner diameter of at least 2 in (5.1 cm) and no greater than 6 in (15.2 cm) and length of at least 10 ft (3 m), comprising introducing particles of rotolining composition comprising fluoropolymer and no greater than 2 wt % of metal powder into the interior of said pipe, heating the pipe to a temperature above the melting temperature of the fluoropolymer, rotating the pipe around its longitudinal axis during the heating and rocking the pipe end-to-end thereof during the rotating so as to distribute the composition over the entire interior of the pipe, the combination of heating and distributing causing the particles to melt and coalesce to form a rotolining on the pipe over its entire interior.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile