Method of fully automatically filling and closing large sacks

Details Method of fully automatically filling and closing large sacks Method of fully automatically filling and closing large sacks

1979-04-27

1981-02-10

McGehee, Travis S.

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53417, 53469, 53479, 53482, 53137, 53570, B65B 5108

Patent

active

042493617

ABSTRACT:
In a method of automatically closing a large upright sack after filling, the top of the flattened filling end of the sack is folded over onto itself and a closure tape is secured to the folded-over portion and one wall of the sack, whereafter the filling end is re-erected substantially vertically, folded in zig-zag fashion and pulled together to form a frill. The ends of the tape project beyond both sides of the filling end so that, after zig-zag folding of the filling end and tape and after the frill has been formed, the tape ends project from the same side of the frill and can be interconnected.

REFERENCES:
patent: 3922834 (1975-12-01), Clayton
patent: 4162602 (1979-07-01), Achelpohl et al.

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