Abstract: An apparatus for automatically mounting valve bags on filling spouts of either a rotary or stationary type filling machine is disclosed. The apparatus comprises a multiplicity of bag pickup and release means mounted about a rotational axis. A bag storage and feed means is provided for feeding a plurality of bags to the bag pickup and release means, positioned at a bag pickup station adjacent to the generally arcuate path defined by the rotating pickup and release means. The apparatus further comprises a combined gripping and valve opening means for gripping the bag and effecting the opening of the valve of the bag and simultaneously releasing the bag from the pickup and release means.

Abstract: An impeller shaft turning device is disclosed, for use in rotating the shaft of an impeller within a housing in a revolving machine, to aid in impelling material into a bag, the impeller shaft turning device comprising motor means operative to rotate the shaft of an impeller and hydraulic means operative to control the motor means.

Abstract: A housing for an impeller is disclosed, which is mounted on an impeller shaft and is capable of moving material, the housing comprising an enclosure within which the impeller, mounted on an impeller shaft, may be placed; a plurality of shaft openings in the enclosure through which the impeller shaft may extend; material entrance means in the enclosure through which the material may be placed in the enclosure; material exit means through which the material may leave the enclosure; and access means in the enclosure allowing access for maintenance purposes.

Abstract: A spill collection device is disclosed, for use with a revolving machine which bags material, the spill collection device comprising material landing means located below the position in the revolving machine where the material is bagged, material collection means operative to collect the excess material which falls onto the material landing means, and material return means operative to return the excess material which falls onto the material landing means to the revolving machine.