Method of and apparatus for applying a viscous medium to a subst

Details Method of and apparatus for applying a viscous medium to a subst Method of and apparatus for applying a viscous medium to a subst

1984-05-25

1985-11-12

Lawrence, Evan K.

Coating processes

Miscellaneous

118410, 118415, 118612, 118694, 427244, 427369, B05D 126, B05D 312, B05C 304, B05C 1110

Patent

active

045527784

ABSTRACT:
A viscous medium such as a fabric treatment foam is applied to a fabric web by a distributing device extending across the continuously moving web. The foam is pressurized in a first stage and delivered over a long pipe to a distributing chamber of the device where it is distributed over the entire width of the web. The foam is then admitted into a compartment in which it can form a column surmounted by a float to establish a lower second pressure stage and at this lower pressure the foam passes to a pressure generator which forces the foam from a slot-like orifice at a third pressure higher than the second pressure.

REFERENCES:
patent: 2474254 (1949-06-01), Kauffman
patent: 3921521 (1975-11-01), Kudlich
patent: 3969999 (1976-07-01), Zimmer

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