Precision coating process for preparing polymerizable films

Details Precision coating process for preparing polymerizable films Precision coating process for preparing polymerizable films

B - Operations, Transporting

05

C

B05C 5/02 (2006.01)

Patent

CA 2187896

A method of coating the surface of a substrate with an essentially solvent-free polymerizable fluid that includes passing the fluid through a die onto the surface of the substrate as the substrate moves relative to the die. The die includes a channel adapted to receive the fluid and an adjustable width slot in with said channel through which the fluid is passed formed between a substantially straight, sharp edge located on the downstream side of the substrate and a land located on the upstream side of the substrate.

Procédé d'enduction de la surface d'un substrat à l'aide d'un fluide polymérisable essentiellement exempt de solvant, consistant à faire passer ce fluide à travers une filière puis sur la surface du substrat à mesure que celui-ci se déplace par rapport à la filière, laquelle comprend un canal conçu pour recevoir le fluide, ainsi qu'une fente à largeur réglable communiquant avec ledit canal à travers lequel le fluide passe, cette fente étant formée entre un bord pointu, sensiblement droit situé sur le côté aval du substrat et un espace situé sur le côté amont du substrat.

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