Process and apparatus for continuous wrapping of palletized load

Details Process and apparatus for continuous wrapping of palletized load Process and apparatus for continuous wrapping of palletized load

1984-11-16

1986-12-30

Coan, James F.

Package making

Methods

Applying a partial cover

53210, 53441, 53588, 53218, 180169, B65B 1310

Patent

active

046318984

ABSTRACT:
For continuously wrapping a palletized load, a self-propelling apparatus is provided, said apparatus being fitted with means for electric traction fed by batteries, said machine moving at a distance around the outer perimeter of a load.
The apparatus and with it the reel, from which the film unwinds to wrap the load, follows a path which alters in correspondence with the outer perimeter of the load to be wrapped. The outer perimeter of the load is detected by devices fitted inside a container for evaluating the preselected distance between the path to be followed by the apparatus and said outer perimeter of the load. Conveniently, said means are based on the emission of ultrasonic waves and receiving of their respective echos.

REFERENCES:
patent: 4067174 (1978-01-01), Goldstein
patent: 4095395 (1978-06-01), Goldstein
patent: 4209961 (1980-07-01), Donnelley
patent: 4369614 (1983-01-01), Tetzner

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