Apparatus for aligning an opening of a sack

Details Apparatus for aligning an opening of a sack Apparatus for aligning an opening of a sack

1986-02-25

1988-04-12

Rolla, Joseph J.

Sheet feeding or delivering

Feeding

With means to align sheet

271230, 271237, 271238, 271249, 271252, 271261, 271265, B65H 702

Patent

active

047369400

ABSTRACT:
Apparatus for aligning a sack disposed at the leading end of a series of shingled sacks, which have been unwound from a roll of shingled sacks and which have openings at their leading ends. The sack is aligned by transversely spaced gripping rollers that are operable to align the leading edge of a sack for proper orientation prior to transfer of the sack to a filling apparatus. An intermittently driven conveyor belt conveys the unwound series of shingled sacks as they are unwound from a roll. At least one pressure-applying roller is disposed above the conveyor belt and acts on the leading sack of the series of shingled sacks and cooperates with a backing roller, which is adapted to be driven, and optional pressure-applying elements, which are adapted to be lowered onto the next following sack.

REFERENCES:
patent: 2182023 (1939-12-01), Harrold
patent: 3603446 (1971-09-01), Maxey
patent: 4438917 (1984-03-01), Janssen et al.
patent: 4511242 (1985-04-01), Ashbee et al.

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