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:
Jan. 08, 2002
Filed:
Sep. 30, 1997
Applicant:
Inventor:
Eric Wood, late of Castletown, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 6/334 ; B29C 6/336 ;
U.S. Cl.
CPC ...
B29C 6/334 ; B29C 6/336 ;
Abstract
A flexible liner resin impregnable for lining a lateral pipe which leads into a main pipe having at one end a flexible collar for installation at the location where the lateral liner meets the main, wherein after installation the collar extends along the interior of the main seating against the opening of the lateral. The flexible liner is installed by everting the liner through the opening in the collar by means of fluid under pressure supplied to a launching device which is held in position by an inflatable bladder and seals the collar at the lateral main pipe junction.