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US 2011/0065345 A1Published application
Impact Resistance Gypsum Wallboard and Method of Making the Same
AssigneeNational Gypsum Properties, LLC, a limited Liability Company of the State of Delaware
InventorsJohn L. Phillips, Jennifer M. Willson, Stephen L. LePage
Life of this patent
Estimating the term…
Abstract
An impact resistant gypsum wallboard and method of making the same are disclosed that utilizes a woven scrim to improve upon the warping of the wallboard and to allow for a stronger bond to form between the facing material and gypsum core of the wallboard.
Claims19
A gypsum wallboard comprising:
- a first facing material;
- a second facing material;
- a gypsum core positioned in between the first and second facing material;
- and
- a woven scrim embedded in the gypsum core positioned near the first facing material,
- wherein the woven scrim and first facing material are positioned in parallel planes to one another.
3 more elements
A method of manufacturing gypsum wallboard, the method comprising the steps of:
- providing a slurry made up of at least stucco and water;
- providing a first facing material and a second facing material;
- depositing the slurry on the first facing material;
- embedding a woven scrim in the slurry;
- and
- placing the second facing material on top of the slurry, woven scrim and first facing material, so that the woven scrim is positioned near the second facing material and the woven scrim and the second facing material are positioned in substantially parallel planes to one another.
3 more elements
A method of manufacturing gypsum wallboard, the method comprising the steps of:
- providing a slurry made up of at least stucco and water;
- providing a first facing material and a second facing material;
- placing a woven scrim on the first facing material;
- depositing the slurry on the woven scrim and first facing material, so that the woven scrim is embedded in the slurry in a position near the first facing material and in a plane that is substantially parallel to the plane of the first facing material.
1 more element
Dependencies are inferred from the claim text.