Die coating apparatus with surface covering

Coating apparatus – Immersion or work-confined pool type – Work-confined pool

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118419, B05C 302

Patent

active

057592748

ABSTRACT:
A die coating apparatus includes a die having an upstream bar with an upstream lip and a downstream bar with a downstream lip. The upstream lip is formed as a land and the downstream lip is formed as a sharp edge. A low surface energy covering is applied to the surface of the downstream bar adjacent to the sharp edge, and to the surface of the land, adjacent to its downstream edge. This presents a generally undulating surface. The low surface energy coverings need not extend completely to the edges of the downstream bar and the land.

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Research Disclosure, No. 334, Emsworth, GB, pp. 111-117, XP291212, Manufacturing of Solvent-Based Image-Forming Materials.

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