John E Picken

US Patent:

47839473, Nov 15, 1988

Filed:

Mar 25, 1987

Appl. No.:

7/030655

Inventors:

John L. Posey - McHenry IL
Ronald W. Swank - Crystal Lake IL
Martin E. Sliva - Cary IL
John E. Picken - Crystal Lake IL

Assignee:

Baxter Travenol Laboratories, Inc. - Deerfield IL

International Classification:

B65B 6100

US Classification:

53167

Abstract:

An apparatus for removing liquid and residue from a web of film is provided. The apparatus includes an exhaust tube having an inlet and an outlet, the web of film passing through the exhaust tube from the inlet through the outlet, the exhaust tube being under a negative pressure. Two air knives are located above the outlet of the exhaust tube, one air knife being located on a first side of the film and second air knife being located on a second side of the film, the air knives include a plurality of holes for directing a gas for removing the liquid and residue onto the web of film. The exhaust tube cooperates with the air knives to capture a portion of the removed liquid and residue.