B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/28 (2006.01) A46B 15/00 (2006.01) B05C 1/08 (2006.01) C08G 18/02 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2310868
The disclosed invention consists of a means for conveying a gypsum or gypsum/cellulose fiber board to a rotary cylinder brush station where pMDI resin is delivered onto the rotary cylinder brush just as the board passes under the brush. A resin distribution system is used to coat the rotary cylinder brush applicator with pMDI. Optionally, a second rotary cylinder brush station is included, if desired, to smooth out and spread the pMDI resin over the surface of the gypsum board substrate to achieve complete coverage.
L'invention concerne un moyen pour transporter un panneau de gypse ou de gypse/fibres cellulosiques à un poste de brossage à cylindre rotatif, où la résine pMDI est distribuée sur la brosse cylindrique rotative au moment même où le panneau passe sous la brosse. Un système de distribution de résine est utilisé pour recouvrir l'applicateur de brosse cylindrique rotative avec de la résine pMDI. Éventuellement, un deuxième poste de brossage à cylindre rotatif est inclus, au besoin, pour lisser et étaler la résine pMDI sur la surface du substrat à base de gypse afin d'obtenir une couverture complète.
Bolind Michael L.
Porter Michael J.
Scalf Mark B.
Company United States Gypsum
Macrae & Co.
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