Method and apparatus for creasing facing material used in the manufacture of wallboard
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United States of America Patent
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Sep 12, 2017
Grant Date -
Nov 20, 2014
app pub date -
Jul 30, 2014
filing date -
Nov 7, 2008
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Abstract
Aspects of this disclosure relate to a method of manufacturing wallboard which includes providing a first layer of facing material, creasing the first layer facing material intermittently to create a series of creased portions, providing a gypsum slurry on the first layer of facing material and providing a second layer of facing material over the gypsum slurry. Further, creasing the first layer of facing material intermittently can include intermittently creasing the first layer of facing material in a substantially linear fashion extending in a first direction of the first layer of facing material so that the first layer of facing material exhibits a linear series of creased portions extending in the first direction of the first layer of facing material and a series of portions that are not creased extending in the first direction of the first layer of facing material.
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