Drywall sheet end joint

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United States of America Patent

PATENT NO 9777478
SERIAL NO

15205102

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A suspended ceiling comprising SUSPENDED metal runners in a horizontal plane, the runners each having a horizontal flange having an effective vertical thickness, a plurality of rectangular drywall sheets aligned crosswise to the runners and screwed to the flanges with ends of the drywall sheets forming butt joints midway between adjacent runners, boards overlying butt joints and adjacent flanges, the boards being substantially stiffer than the drywall sheets, whereby the drywall sheet ends are drawn up towards an upper level of the flanges when screwed against the overlying board so that a pseudo taper is formed on the drywall sheet ends.

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Patent Owner(s)

Patent OwnerAddress
USG INTERIORS LLC550 WEST ADAMS STREET #189 CHICAGO IL 60661-3676

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gulbrandsen, Peder J Aurora, US 61 753
Hulka, Samuel D Mount Prospect, US 8 34

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