Dispensing – Collapsible wall-type container – With casing or support
Patent
1993-05-17
1994-09-06
Huson, Gregory L.
Dispensing
Collapsible wall-type container
With casing or support
222166, 2223865, 222389, 222528, 383 2, 383 67, 383120, 383906, B65D 3556
Patent
active
053440480
ABSTRACT:
A discharge bulk bag that increases the efficiency for handling, storing, transporting and discharging dry materials in intermediate bulk containers. When filled with dry bulk material, the bulk bag can be easily moved about, transported or stored. A flexible discharge spout is located on the bottom side of one of the walls of the bag. At the time of discharge, the bag is positioned on the unloader and the spout is unfolded from its stowed position by releasing one of the restraint straps. The outlet opening at the end of the discharge spout is then connected to a receptacle opening. By releasing the bottom most restraint strap, the spout section opens up--allowing the bulk material inside to flow. The bulk material will continue to flow until it reaches a static condition, at which time the platform of the unloader begins to incline--dumping the remaining material in the bag towards the outlet opening. The flow from the bag is facilitated by a platform that provides an inflatable bladder that can incline the support platform, dumping the material towards the discharge spout and receptacle. The lifting platform is inclined by using low pressure air (1-2 PSI) to inflate the air bag positioned between the lifting platform and the unloader's base frame. Vertical supports are located on the base frame and lifting platform to hold the bulk bag in place during the discharge or unloading cycle. The platform can also be adapted by eliminating the vertical supports so that it can used directly from a standard fork lift truck.
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patent: 4527716 (1985-07-01), Haas et al.
patent: 4691371 (1987-09-01), Derby
patent: 4728004 (1988-03-01), Bonerb
patent: 4811419 (1989-03-01), Derby
patent: 4911562 (1990-03-01), Mazzeschi
patent: 4946290 (1990-08-01), Matyja
patent: 5029734 (1991-07-01), Nichols
Huson Gregory L.
Ritchie William B.
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