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.:

US 8057631 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 15, 2011

Filed:

Feb. 12, 2009
Applicant:

Paul E. Peterson, Raynham, MA (US);

Inventor:

Paul E. Peterson, Raynham, MA (US);

Assignee:

SIKA Technology AG, Zürich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 37/00 (2006.01); B29C 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for applying thermoplastic strips to thermoplastic membranes, the method comprising applying a first strip to a membrane, providing apparatus comprising a housing having drive wheels thereon, a guide assembly fixed to the housing and comprising a first pair of guide wheels for disposition around the first strip and a second pair of guide wheels for disposition around a second strip to guide the second strip to a welding station mounted on the apparatus to heat weld the second strip to the membrane, mounting the first pair of guide wheels on the first strip, mounting the second pair of guide wheels on the second strip, moving the housing on the drive wheels, the first pair of guide wheels riding along the first strip and the second pair of guide wheels channeling the second strip therebetween and into the welding station for attachment to the membrane by the heat weld, the second strip thereby extending equidistantly from the first strip.


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