Bag opening apparatus

Details Bag opening apparatus Bag opening apparatus

1979-04-04

1981-02-24

Cherry, Johnny D.

Material or article handling

Device for emptying portable receptacle

With container opening means

414291, B65B 6900

Patent

active

042524890

ABSTRACT:
A novel bag opening apparatus comprises an enclosure or chute or slide for receiving a bag and having bag-opening stationary knives positioned therein. The bag-opening knives comprise a plurality of knives meeting at a sharp point and extending diagonally outward to engage and be supported on the side walls of the enclosure or chute or slide. The arrangement of the knives is such that the point where the knives join is operable to puncture the end of a bag pressed there against and the knives extending diagonally outward toward the walls of the enclosure or chute or slide will make diagonal cuts in the end of a bag pressed there against which extend substantially across the end of the bag and produce an enlarged opening therein. This bag opening apparatus is designed for opening bags containing particulate material and more particularly pulverulant material. The apparatus is particularly useful in combination with dust collecting means and with auger or circulating air-type conveyor systems.

REFERENCES:
patent: 2078599 (1937-04-01), McCauley
patent: 2306426 (1942-12-01), Bundy
patent: 2796184 (1957-06-01), Wilkins et al.
patent: 3082922 (1963-06-01), Vitek
patent: 3145858 (1964-08-01), Helbig
patent: 3171449 (1965-03-01), Ellms et al.
patent: 3606057 (1971-09-01), June

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