Method and apparatus for treating open-weave substrates with foa

Details Method and apparatus for treating open-weave substrates with foa Method and apparatus for treating open-weave substrates with foa

1980-12-17

1982-08-10

Lawrence, Evan K.

Coating processes

Application to opposite sides of sheet, web, or strip

8151, 8477, 68200, 118410, 118413, 118415, 427244, 427358, B05D 126, B05C 3152

Patent

active

043438350

ABSTRACT:
Method and apparatus for applying foam to an open-weave substrate. The apparatus contains angled shear strips to shear the foam positioned above a foam outlet. The shear strips, enclosed at each end, define a chamber above the foam outlet having open top and bottom sides for sequential contact of both sides of the substrate with the foam as the substrate travels across the outlet and both open top and bottom sides of the chamber.

REFERENCES:
patent: 4023526 (1977-05-01), Ashmus et al.
patent: 4099913 (1978-07-01), Walter et al.

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