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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 12145348 B1

PDFFull Text
Date of Patent:
Nov. 19, 2024

Filed:

Aug. 24, 2023

System for forming a roofing membrane, and associated method

Applicant:

Gaf Energy Llc, Parsippany, NJ (US);

Inventor:

Caleb David Cheung, San Jose, CA (US);

Assignee:

GAF Energy LLC, Parsippany, NJ (US);

Attorney:

GREENBERG TRAURIG, LLP

Primary Examiner:

Linda L Gray

Int. Cl.
CPC ...
B32B 37/06 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 37/10 (2006.01); B32B 37/20 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01); E04D 5/06 (2006.01); E04D 5/10 (2006.01);
U.S. Cl.
CPC ...
B32B 37/203 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 37/06 (2013.01); B32B 37/10 (2013.01); B32B 38/0004 (2013.01); B32B 38/06 (2013.01); E04D 5/06 (2013.01); E04D 5/10 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/242 (2013.01); B32B 2323/00 (2013.01); B32B 2419/06 (2013.01);
Abstract

A method includes obtaining a first roll of a first sheet comprising thermoplastic polyolefin and having a width of at least 60 inches; obtaining a second roll of a second sheet comprising thermoplastic polyolefin and having a width of at least 60 inches; heating at least a portion of a width of the first sheet with hot air from a hot air knife to form a heated first sheet; and compressing the heated first sheet and the second sheet between two rollers, to form a laminated roofing membrane, where the heated first sheet and the second sheet directly contact one another without a scrim layer disposed between the heated first sheet and the second sheet.

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