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.

Date of Patent:
Jun. 13, 2023

Filed:

Dec. 09, 2020
Applicant:

United States Gypsum Company, Chicago, IL (US);

Inventors:

Peter Brandon Groza, Antioch, IL (US);

David R. Blackburn, Barrington, IL (US);

Ashish Dubey, Grayslake, IL (US);

Eugene Scott Stivender, Yorkville, IL (US);

Andrew Henry Bauer, Beloit, WI (US);

Rajesh Raitani, Buffalo Grove, IL (US);

Nicholas McCartney, Harwood Heights, IL (US);

Assignee:

UNITED STATES GYPSUM COMPANY, Chicago, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E04F 13/16 (2006.01); C04B 28/14 (2006.01); B28B 1/52 (2006.01); E04C 2/06 (2006.01);
U.S. Cl.
CPC ...
E04F 13/16 (2013.01); B28B 1/522 (2013.01); C04B 28/14 (2013.01); E04C 2/06 (2013.01); C04B 2201/20 (2013.01);
Abstract

A production line and process including a moving carrier web for transporting the panel, and a device for controlling thickness of a formed, but not yet set, fiber reinforced cementitious panel slurry on the web. The thickness control device may include an angled rigid plate for contacting a downstream end of the angled plate with the slurry on the moving carrier web and a mounting stand for mounting the angled rigid. The thickness control device may include a flat horizontal plate at a fixed height over the moving carrier for contacting the entire lower surface of the horizontal plate with a facer on the slurry on the moving carrier web. Or, the thickness control device may include the angled plate and include the horizontal plate that contacts the facer.


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