Method and apparatus of non-contact conveyance of a web

Details Method and apparatus of non-contact conveyance of a web Method and apparatus of non-contact conveyance of a web

1987-07-17

1989-06-06

Levy, Stuart S.

Advancing material of indeterminate length

Processes

By fluid current

226 97, B65H 2014

Patent

active

048364290

ABSTRACT:
A web conveying apparatus comprising a series of air jetting boxes alternately arranged on opposite sides of a conveyed web. Each air jetting box has two outlets jetting air toward the web. The outlets are at opposite edges of the air jetting box and direct the air inwardly at an angle of 15.degree. to 45.degree. from the perpendicular of the main or air jetting surface of the box.

REFERENCES:
patent: 3448907 (1969-06-01), Otepka et al.
patent: 3837551 (1974-09-01), Schregenberger
patent: 4058244 (1977-11-01), Vits
patent: 4218001 (1980-08-01), Vits
patent: 4384666 (1983-05-01), Kaponen et al.

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