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:
Apr. 01, 2003
Filed:
Mar. 22, 2001
Applicant:
Inventor:
Brian Edward McGuire, Oldham, GB;
Assignee:
Lattice Intellectual Property Ltd, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 5/516 ;
U.S. Cl.
CPC ...
F16L 5/516 ;
Abstract
A lining method for a host pipe ( ) including lubrication of the host pipe prior to insertion of a thermoplastic liner ( ) using tight fit techniques. After allowing the inserted liner to relax, the liner is partially pulled from within the host pipe using puller ( ) and clamped with an internal clamp ( ) to allow fitting of a special flange ( ) to the liner ( ) by butt fusion, for example. Threafter the liner is allowed to revert so as to abut a flange ( ) fitted to the host pipe ( ). The technique is repeated at the other pipe end.