Package making – Apparatus for contraction of cover by stretching or shrinking
Patent
1986-11-13
1988-02-02
Sipos, John
Package making
Apparatus for contraction of cover by stretching or shrinking
53588, B65B 1304
Patent
active
047221704
ABSTRACT:
A stretch wrapper wraps a load with a web dispensed from a web dispenser and includes a frame for supporting and revolving the web dispenser around the load and about a vertical axis. A support is attached to the upper portion of the frame to support the frame from above and guide the frame along a path around the load. A motor-driven drive wheel is attached the lower portion of the frame for engaging a floor, supporting the frame from below, and driving the frame on the floor along the path around the load.
REFERENCES:
patent: 3793798 (1974-02-01), Lancaster et al.
patent: 4050220 (1977-09-01), Lancaster
patent: 4067174 (1978-01-01), Goldstein
patent: 4109445 (1978-08-01), Shulman
patent: 4181231 (1980-01-01), Morrissey
patent: 4282700 (1981-08-01), Goldstein
patent: 4358020 (1982-11-01), Thiele
PS&D Manual, "Heatless Stretch Wrap".
Ball Ronald G.
Denley Robert B.
Lantech Inc.
Sipos John
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