Automatic wrapping apparatus for packages of palletised loads, p

Details Automatic wrapping apparatus for packages of palletised loads, p Automatic wrapping apparatus for packages of palletised loads, p

1998-06-12

2000-05-23

Johnson, Linda

Package making

Plural layer package material

At least one layer a band

53587, 53588, B65B 1104, B65B 1100

Patent

active

060652691

ABSTRACT:
Packing process for palletized loads, positioned on a revolving or fixed platform of a packing structure providing to the helical wrapping about the load of a plastic film and according to two spirals, each of said spirals being partly superposed; said process consists in utilizing two separate and independent coils of plastic film, in submitting them at the same time to a vertical translation in both directions and parallel to the vertical axis of the load, whereby the start of the wrapping by a coil is alternate to that of the other coil, starting from down upwards or from up downwards and with the same translation speed, so as to obtain a complete wrapping, constituted by two spiral helixes separate and directed towards opposite directions, in substantially half the time with respect to the time required by the present wrapping systems.

REFERENCES:
patent: 4628667 (1986-12-01), Humphrey et al.
patent: 5131209 (1992-07-01), Schreiber et al.
patent: 5155970 (1992-10-01), Moore
patent: 5802805 (1998-09-01), Oistad

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