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. 20, 2009
Filed:
Nov. 29, 2004
Robert Pleydon, St. Catherines, CA;
Mark Tigchelaar, Burlington, CA;
Jon H. Woolstencroft, St. Catherines, CA;
Robert Pleydon, St. Catherines, CA;
Mark Tigchelaar, Burlington, CA;
Jon H. Woolstencroft, St. Catherines, CA;
Saint-Gobain Technical Fabrics Canada, Ltd., St. Catharines, Ontario, CA;
Abstract
Inversion liners are provided which in a first embodiment include first and second flexible fabric layers joined to first and second high strength fiber containing layers and joined in tubular form. The first and second flexible fabric layers face one another. The second glass fiber containing layer further is bonded to a thin, third flexible fabric layer. A substantially fluid impermeable layer is applied to the opposite side of the thin, third flexible fabric layer.