Back to results
US 10,570,062 B2Granted
Method for producing a gypsum plasterboard
AssigneeKnauf Gips KG
InventorJacek Piwowarski
Life of this patent
Estimating the term…
Abstract
A method for producing a gypsum plasterboard comprising the steps of providing bundler dust obtained from gypsum plasterboard leftovers of a plasterboard trimming process by a trimming device, in particular by a bundler saw; and adding at least a part of the bundler dust to a gypsum slurry for producing the gypsum plasterboard.
Claims14
A method for producing a gypsum plasterboard consisting of the steps of:
- preparing a gypsum slurry and drying it (on a support and/or transporting device) in order to provide a dry gypsum layer;
- providing the dry gypsum layer;
- trimming the gypsum layer in order to finalize single gypsum plasterboards;
- providing bundler dust obtained from gypsum plasterboard leftovers of a plasterboard trimming process using a trimming device;
- and
- adding at least a part of the bundler dust to the gypsum slurry for producing the gypsum plasterboard,
- wherein the bundler dust is obtained from the production process of impregnated plasterboards using a hydrophobic agent, wherein the hydrophobic agent is silicone oil.
4 more elements
Dependencies are inferred from the claim text.