Apparatus for automatically filling and closing sacks

Details Apparatus for automatically filling and closing sacks Apparatus for automatically filling and closing sacks

1977-06-24

1978-09-26

McGehee, Travis S.

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

53386, B65B 4330

Patent

active

041159780

ABSTRACT:
Conveying means which are intermittently rotatable in equal steps take flattened sacks successively from supply means through one step to filling means which are effective to open each sack and fill it, whereupon the conveying means move a further step to take the sack to welding means. Said conveying means comprise two parallel discs turned in synchronism about horizontal shafts which are directed outwardly to define a free passage between the discs. Confronting tongs on the discs are displaceable towards and away from one another to engage the sack at both sides of its mouth at the supply means and convey it up to the welding means at which they deposit the filled sack on a discharge conveyor, the tongs being lowerable towards said discharge conveyor to an extent such that the upper region of each sack becomes buckled.

REFERENCES:
patent: 2753097 (1956-07-01), Kindseth et al.
patent: 3643399 (1972-02-01), Bertaglio

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