Apparatus for advancing single sacks from a magazine to a fillin

Details Apparatus for advancing single sacks from a magazine to a fillin Apparatus for advancing single sacks from a magazine to a fillin

1989-11-14

1990-11-20

Coan, James F.

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

53386, B65B 4330

Patent

active

049708473

ABSTRACT:
The invention relates to an apparatus for advancing an empty sack in a conveying direction to a filling station comprising a charging funnel, which comprises a magazine containing a stack of horizontally extending flattened empty sacks, from which uppermost sacks are successively removed and each uppermost sack is horizontally conveyed in succession. A conveyor is arranged to receive each horizontally conveyed sack in succession, and this conveyor comprises a horizontal support for at least partially supporting each horizontally conveyed sack in succession, a pair of suction devices adjacent a leading edge of the support and arranged at opposite sides of the sack supported thereon, the suction devices being displaceable in a direction extending transversely to the support for gripping and opening the sack on the support, and the support and suction devices being pivotal in unison between a receiving position wherein the support is positioned to receive the horizontally conveyed sack and a transfer position. A pulling-up device is arranged to recieve and grip the sack in the transfer position, and to pull the sack up to the charging funnel at the filling station.

REFERENCES:
patent: 3566578 (1971-03-01), Thorne et al.
patent: 3619981 (1971-11-01), Burke et al.
patent: 3945173 (1976-03-01), Buzzi
patent: 4078358 (1978-03-01), Henderson
patent: 4345629 (1982-08-01), Inglett, Jr.

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