Apparatus for flattening blown-foil tubes

Details Apparatus for flattening blown-foil tubes Apparatus for flattening blown-foil tubes

1985-06-04

1986-10-07

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

264564, 425183, 4253261, 4253871, 425392, B29C 5320

Patent

active

046156666

ABSTRACT:
A blown-foil tube is flattened between a pair of frames having ladder arrays of flattening elements in respective assemblies spaced along the path of the tube. Each assembly has a wood bar element and a roller element on a pair of plates pivotally mounted on the frame so that one or the other element can be selectively presented to the tube.

REFERENCES:
patent: 2697852 (1954-12-01), Bailey
patent: 3223762 (1965-12-01), Fry, Jr.
patent: 3335208 (1967-08-01), Harris
patent: 3848035 (1974-11-01), Behr
patent: 3980418 (1976-09-01), Schott, Jr.
patent: 4170624 (1979-10-01), Dawson
patent: 4355966 (1982-10-01), Sweeney et al.
patent: 4377540 (1983-03-01), Cluett et al.
patent: 4388061 (1983-06-01), Bebok
patent: 4479766 (1984-10-01), Planeta

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