Package making – Plural layer package material
Patent
1988-01-13
1989-04-18
Sipos, John
Package making
Plural layer package material
53556, 53587, 53211, B65B 1104
Patent
active
048214868
ABSTRACT:
A device for wrapping cylindrical objects, especially bales of straw or hay fodder, comprising at least two driven horizontal rollers which are arranged at a mutual distance less than the diameter of the object and are intended for driving support of the object, and a driven crank mechanism intended for carrying a vertically standing roll of a stretchable self-adhesive film for moving the roll in a horizontal path around the bale at the center of the latter. The driven supporting rollers are arranged as freely projecting prongs from a lifting device that is front or back mounted on a tractor or the like. The prongs formed by rollers are arranged to project from, and at right angles to, a rigid frame which on the side facing away from the teeth is provided with two attachment means at its lower portion, the attachment means being provided at a mutual distance to be connected with two lifting arms on a vehicle, and further attachment means provided centrally between and at the same side as the two attachment means at the upper portion of the frame, intended for connection with an adjustable tension stay.
REFERENCES:
patent: 4255918 (1981-03-01), Lancaster
patent: 4282700 (1981-08-01), Goldstein
patent: 4300326 (1981-11-01), Stackhouse
patent: 4563863 (1986-01-01), Humphrey
patent: 4565051 (1986-01-01), Back
patent: 4641484 (1987-02-01), Popelka
patent: 4685270 (1987-08-01), Beambilla
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