Remote controlled wrapping system

Details Remote controlled wrapping system Remote controlled wrapping system

1999-09-27

2001-01-09

Johnson, Linda (Department: 3721)

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

C053S588000, C053S168000

Reexamination Certificate

active

06170228

ABSTRACT:

FIELD
This invention relates to the wrapping of multiple packages stacked on a pallet, and more particularly, to a total wrapping system in which a mobile wrapping machine is controlled and directed to perform its functions by remote control.
BACKGROUND
The common method of wrapping stacked packages on pallets, such as with stretch plastic film or netting, is by moving the pallet and its load of packages with a fork lift truck to a stationary wrapping machine. The wrapping machine then wraps the load of packages and the wrapped load and pallet is removed from the stationary wrapping machine by a fork lift truck in order to make room for the next loaded pallet to be brought to the wrapping machine. This method is relatively slow, and is quite labor-intensive because many fork lift trucks and truck operators are required in order to supply and remove loaded pallets to and from the wrapping machine in a timely manner in order for the wrapping machine to be operated in any way approaching an efficient manner.
An alternative approach is suggested in U.S. Pat. No. 5,140,795, which is hereby incorporated by reference, in which a wrapping machine is suspended from an overhead beam, and the machine is controlled by hard-wire controls and sliding electrical contacts along the beam so as to move along the elevated beam to multiple wrapping stations as determined by an operator. While this approach is an improvement, the suspension system requires substantial structural requirements, and the sliding contacts may give false signals, and the beam may interfere with other structures such as the overhead conveyors used in some installations.
SUMMARY
The present invention solves all of the above-indicated problems by maintaining the wrapping machine on the ground, but making it extremely mobile and responsive to wireless remote control such as by radio controls, or other wireless controls such as, for example, infra red or laser beams. In addition, the wrapping machine of the present system is completely computer controlled so that the wrapping machine wraps the pallets on a prioritized basis without the need for an operator.


REFERENCES:
patent: 4756143 (1988-07-01), Lancaster
patent: 5140795 (1992-08-01), Steding
patent: 5450709 (1995-09-01), Steding

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