Coating apparatus and method for the curtain coating of liquid compositions using it
AssigneeMinnesota Mining and Manufacturing Company
InventorPietro Prato
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Abstract
A coating apparatus including a lip body for the leaving therefrom of the coating composition forms a very stable and uniform curtain if such lip body determines a negative (front) slide surface associated with a back negative surface.
Claims7
An improved coating apparatus for use in curtain coating including a feeding body, a slide body determining a front surface for the sliding of the coating composition associated with it and a lip body where such composition leaves the apparatus along a negative slide surface, the improvement consisting of having such negative slide surface associated with a negative non-slide surface of said lip body.
Dependencies are inferred from the claim text.