Process and apparatus for treating articles and preventing their

Details Process and apparatus for treating articles and preventing their Process and apparatus for treating articles and preventing their

1989-06-02

1991-03-12

Lacey, David L.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

156638, 156640, 134 64R, 134122R, 118114, 118116, C23F 102, B08B 304, B08B 1100, B08B 1500

Patent

active

049990799

ABSTRACT:
A method and apparatus is provided for chemically treating articles, often with a liquid treatment fluid that is corrosive, while the articles are being delivered along a path through a substantially closed chamber. During treatment, the articles pass through a nip formed between opposed rollers. Because of the thin flexible nature of the articles, they may tend to wrap around a roller after passing through the nip. The articles are engaged as they pass downstream of the nip and are urged away from the surface of the roller, to continue to follow a predetermined path of travel. In engaging the articles to urge them away from the nip, they are preferably contacted by eccentrically mounted rings, carried by the roller. The rings have portions that protrude away from the surface of the roller that enables them to engage the article.

REFERENCES:
patent: 1331463 (1920-02-01), Streeper
patent: 1539993 (1925-06-01), Conley
patent: 1587638 (1926-06-01), Feybusch et al.
patent: 3543775 (1970-12-01), Bodnar
patent: 4385967 (1983-05-01), Brady et al.
patent: 4576685 (1986-03-01), Goffredo et al.

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