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. 15, 1996
Filed:
Mar. 07, 1994
Applicant:
Inventors:
William J Simpson, Arlington Heights, IL (US);
Martin J Simpson, Chicago, IL (US);
Assignee:
Claymax Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E02D / ; B09B / ; B32B / ;
U.S. Cl.
CPC ...
405270 ; 405129 ; 428 87 ; 428 92 ;
Abstract
A flexible clay liner in roll form for use on steep slopes. The liner includes a layer of geotextiles. The geotextiles are stitched together in rows of stitches which extend along the length of the liner. The thread used to make the stitching is a multifilament thread treated with a resin to prevent wicking through the liner. The spacing of the rows of stitches and the frequency of stitches along the rows are sufficient to transfer shear stresses through the bentonite layers, thus preventing the bentonite from becoming a shear plane.