Coating apparatus for coating transparent plastic coatings with

Details Coating apparatus for coating transparent plastic coatings with Coating apparatus for coating transparent plastic coatings with

1990-06-07

1991-09-03

Hoag, Willard E.

Coating apparatus

Immersion or work-confined pool type

Running length work, longitudinally traveling

4251311, B05C 312, B05C 906

Patent

active

050443097

ABSTRACT:
A coating apparatus for applying plastic coatings onto a planar substrate includes an elongate coating head defining therein an elongate distribution channel having a length corresponding to a width of a substrate to be coated, the coating head also defining a coating gap for discharging a coating material from the distribution channel. First and second supply channels are respectively connected between respective pumps and different portions of the distribution channel for respectively supplying first and second coating materials to the distribution channel. A mixing zone is formed in the distribution channel by a partition or a hollow conical body, each of which forms a mixing gradient extending along the length of the mixing zone. Ideally, the pumps for the first and second coating materials provide these materials with the same pressure within the mixing zone.

REFERENCES:
patent: 2026740 (1936-01-01), Kinsella et al.
patent: 3398431 (1968-08-01), Corbett
patent: 3448183 (1969-06-01), Chisholm
patent: 3473193 (1969-10-01), Quackenbush
patent: 3511903 (1970-05-01), Glass et al.
patent: 4272312 (1981-06-01), Thompson
patent: 4619802 (1986-10-01), Cloeren
patent: 4731004 (1988-03-01), Wenz
patent: 4797083 (1989-01-01), Riefenhauser

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