B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 13/08 (2006.01) E04C 2/04 (2006.01)
Patent
CA 2269894
A process for reducing rollups in gypsum board panels when the panels are laminated with a laminate, is provided. A laminator is provided, as is at least one gypsum board panel, each panel having a face paper layer and a backing paper layer. Each paper layer has a coefficient of friction, and at least one of the face paper layer and the backing paper layer is treated with an agent for reducing the coefficient of friction and water absorbency. Next, a supply of laminate is provided and installed in the laminator. Then, at least one panel of the gypsum board is fed through the laminator, so that a layer of the laminate is applied thereon.
La présente décrit un processus qui réduit les frisures sur les panneaux de gypse lorsque les panneaux sont laminés avec un stratifié. Une plastifieuse est fournie, tout comme au moins un panneau de gypse, chaque panneau comportant une couche de papier face et une couche de papier support. Chaque couche de papier a un coefficient de frottement, et au moins une couche de la couche de papier face et de la couche de papier support est traitée avec un agent pour réduire le coefficient de frottement et l'absorption d'eau. Une charge de stratifié est ensuite placée dans la plastifieuse. Puis, au moins un panneau de gypse est inséré dans la plastifieuse, afin qu'une couche du stratifié lui soit appliquée.
Engbrecht Dick C.
Rohlf Evan V.
Scalf Mark B.
Company United States Gypsum
Macrae & Co.
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