Ag-bag Corporation

Omeco-st. John Co.

Eddie H Bailen

William C Johnson

David H Rasmussen

Steven R Cullen

Richard H Lee

In a method and apparatus for manufacturing two-ply agricultural storage bags, two supplies (36, 38) of flexible tubular materials are positioned on opposite sides of feed wheels (26) mounted on a generally cylindrical frame structure (24). The inner material (36a) from the first supply (36) extends through the frame (24) and outwardly around the feed wheels (26). The outer material (38a) from the second supply (38) extends around the feedwheels (26) in surrounding engagement over the inner material (36a). Actuation of the feedwheels (26) effects simultaneous advancement of the materials (36a, 38a) around the frame (24) so that a bag can be collected at the lower end of the frame.

Method and apparatus for manufacturing an agricultural bag

Protection against a high voltage apparatus becoming inadvertently grounded and thereby presenting a shock hazard is provided by introducing a ground fault interrupter in the power supply to the electrical control device which controls the supply of high voltage power. The two-wire power supply line between the ground fault interrupter and the control device has one wire grounded ahead of the interrupter and the other wire connected to the high voltage apparatus through a rectifier and a D.C. filter. Thus if the high voltage apparatus becomes accidentally grounded there is a drain to ground from the ground fault interrupter through the rectifier connection, which drain causes the interrupter to cut off the power supply to the control device thereby shutting down the high voltage apparatus.

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Omaha, NE, United States of America

Eddie H Bailen