Apparatus for filling sacks

Details Apparatus for filling sacks Apparatus for filling sacks

1989-09-25

1991-04-09

Spruill, Robert L.

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

53261, 53386, 141114, 141166, 141314, B65B 3902, B65B 4330

Patent

active

050053418

ABSTRACT:
An apparatus for filling sacks is disclosed which has opposed clamps for engaging the initially collapsed sacks adjacent to the side portions of their opening-defining edges, suction devices included in the clamps, which engage mutually opposite side walls of the sacks adjacent to their opening-defining edges and pull said side walls apart, and a filling pipe. The carriers for the suction devices are provided each on each side of the sack at least below the suction device or suction devices with a transversely extending bar, which is made of elastomeric material and urges the pulled apart edge portions of the sacks into sealing contact with the side walls of the filling funnel.

REFERENCES:
patent: 2703671 (1955-03-01), Kindseth
patent: 2790540 (1957-04-01), Gaubert
patent: 3501893 (1970-03-01), Peterson
patent: 3830266 (1974-08-01), Hudson
patent: 3851444 (1974-12-01), Merat
patent: 4174599 (1979-11-01), Callet et al.
patent: 4537013 (1985-08-01), Tetenborg et al.
patent: 4563864 (1986-01-01), Eschmann
patent: 4579154 (1986-04-01), Muller
patent: 4586320 (1986-05-01), Takai et al.

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