Wallboard score, snap and edge appearance test procedure

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 break...

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Bibliographic Details
Main Authors Koch, John A, Lucas, Tim, Omodt, Jenner, Cochran, Charles W, Wonderlich, Jerry D
Format Patent
LanguageEnglish
Published 08.06.2021
Subjects
CUTTING
CUTTING-OUT
HAND CUTTING TOOLS
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PERFORATING
PERFORMING OPERATIONS
PHYSICS
PUNCHING
SEVERING
SEVERING BY MEANS OTHER THAN CUTTING
STAMPING-OUT
TESTING
TRANSPORTING
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Summary: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.
Bibliography:Application Number: US201916375670