Stretch wrapping

Details Stretch wrapping Stretch wrapping

1988-05-27

1990-03-06

Bray, W. Donald

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53556, 53588, 226193, B65B 5300

Patent

active

049054554

ABSTRACT:
Stretch wrapping apparatus that uses two rollers 17,18 rotating at different speeds to stretch a web or wrapping material has problems of slippage when applied to wrapping grass. These are ameliorated by forming the roller surfaces with projections 32, e.g. by applying a mesh or (better) forming axial corrugations. The surfaces are preferably of metal, particularly aluminum.

REFERENCES:
patent: 2660380 (1953-11-01), Blackman et al.
patent: 3534893 (1970-10-01), Maxson
patent: 4429514 (1984-02-01), Lancaster et al.

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