Automatic weighing and bagging machine

Details Automatic weighing and bagging machine Automatic weighing and bagging machine

1979-06-12

1981-03-03

McGehee, Travis S.

Package making

With means responsive to a sensed condition

Of individual contents or group feed or delivery

53506, 53572, 53384, 53385, 177118, B65B 132, B65B 4330

Patent

active

042532922

ABSTRACT:
An automatic weighing and bagging machine and method for holding and opening a first bag of a plurality of juxtaposed bags held in the machine in a manner whereby the first bag may be filled with a weighed product and released from the plurality of bags. The bags are of the type having an extended tab secured to a portion thereof and extending above a mouth opening of the bag. The machine comprises a holding device for engaging at least a portion of the extended tab of the first bag. A retractor member is also provided for opening the mouth opening of the first bag by pulling a side wall portion of the first bag opposite to the engaged portion of the tab and away from the engaged tab. The retractor member also clamps the side wall portion to hold the bag in an open position whereby the bag is held from opposed sides for filling the bag with the weighed product. A container is provided to hold and weigh the product to be bagged. A discharge mechanism displaces the weighed product from the container to the open mouth of the first bag to place the product therein. A sensor to detect the delivery of the weighed product to the first bag is provided. An actuating system is also provided for releasing the holding means and clamping means to cause the first bag with the weighed product to be released.

REFERENCES:
patent: 3521426 (1970-07-01), Evins
patent: 3695371 (1972-10-01), Sheetz
patent: 3789570 (1974-02-01), Mullins
patent: 3822527 (1974-07-01), Germunson et al.
patent: 3864894 (1975-02-01), Sheetz et al.
patent: 4172349 (1979-10-01), Lipes

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