Coating processes – With post-treatment of coating or coating material – Solid treating member or material contacts coating
Patent
1991-02-12
1992-04-14
Lusignan, Michael
Coating processes
With post-treatment of coating or coating material
Solid treating member or material contacts coating
427377, 4274342, 4274344, 4274346, 427299, B05D 312
Patent
active
051046989
ABSTRACT:
A method and apparatus for impregnating a fibrous base material with a varnish liquid, wherein the so-impregnated base material is substantially air free. A base material is passed under the surface of and through a supply of low-viscosity liquid such as to impregnate the base material with the low-viscosity liquid and displace air from the base material so as to provide a substantially air-free base material. The air-free base material is passed through an entrance for and into a syphon. An inert gas is supplied to the syphon so as to maintain an inert gas atmosphere therein sufficient to maintain the air-free condition of the base material. The air-free base material is then passed through an exit of the syphon and under the surface of and through a supply of varnish liquid sufficiently to displace the low-viscosity liquid from the air-free base material and impregnate the air-free base material with the varnish liquid.
REFERENCES:
patent: 1595474 (1926-08-01), Minton
patent: 1671914 (1928-05-01), Westcott
patent: 2276232 (1939-07-01), Gilbert
patent: 4690836 (1987-09-01), Clarke et al.
patent: 4737383 (1988-04-01), Matsumae et al.
Harada Mitsuaki
Hayashi Shigetoshi
Mino Takeyasu
Yagi Yasuhiro
Dudash Diana L.
Lusignan Michael
Takuma Co., Ltd.
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