Method and apparatus for water-repellent processing of tube

Details Method and apparatus for water-repellent processing of tube Method and apparatus for water-repellent processing of tube

1989-04-26

1991-09-24

Lawrence, Evan

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

427284, 427287, 118211, 118232, 118264, 118DIG11, B05D 128, B05D 508, B05C 102

Patent

active

050512820

ABSTRACT:
A water-repellent liquid is held in a liquid-retainable outer surface of a liquid-retainable member. A tube is held so that a portion near its tip comes into contact with the liquid-retainable surfaces while the former is rotated relative to the latter. As the tube is rotated with respect to the liquid-retainable surface, a water-repellent surface is formed on an outer surface of the tube near its tip. Two liquid-retainable members may be provided so that the tube is rotated therebetween.

REFERENCES:
patent: 2304832 (1942-12-01), Kofke et al.
patent: 3101283 (1963-08-01), Brown
patent: 4091489 (1978-05-01), Nimetz
patent: 4110490 (1978-08-01), Westberg
patent: 4347875 (1982-09-01), Columbus
patent: 4413587 (1983-11-01), Cook
patent: 4705551 (1987-11-01), Robinson, Jr.
Japanese Patent Gazette, Section Ch, p. 14 (Aug., 1984).
Hawley, G. G., "The Condensed Chemical Dictionary," Ninth Edition, New York, Van Nostraud Reinhold Co., 1977, p. 924.

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