Wallboard score, snap and edge appearance test procedure
AssigneeUnited States Gypsum Company
InventorsJerry D. Wonderlich, John A. Koch, Charles W. Cochran, Tim Lucas, Jenner Omodt
Life of this patent
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AssigneeUnited States Gypsum Company
InventorsJerry D. Wonderlich, John A. Koch, Charles W. Cochran, Tim Lucas, Jenner Omodt
Estimating the term…
A procedure is provided for evaluating the score, snap and edge appearance of wallboard panels, and includes scoring a wallboard panel with a knife at a constant and known force using a benchtop board scoring device; snapping the scored panel in a Universal Board Testing Machine to measure the breaking force, forming a snapped panel edge; measuring a cleanliness of the snapped panel edge by placing a straight edge against the snapped panel edge and measuring gaps between the snapped panel edge and the straight edge in a plurality of locations on a face of the panel, and a plurality of locations on a back of the panel; and averaging all of the measured gaps to create an Index Score.
A procedure for evaluating the score, snap and edge appearance of wallboard panels, comprising:
A procedure for evaluating the score, snap and edge appearance of wallboard panels, comprising:
Dependencies are inferred from the claim text.