Valve bag with alignment means

Details Valve bag with alignment means Valve bag with alignment means

1982-06-14

1984-09-04

Garbe, Stephen P.

Flexible bags

Plural

383 44, 383 45, B65D 3024

Patent

active

044701527

ABSTRACT:
A valve bag and an interconnected series of valve bags is disclosed which have alignment means on the bag. This is shown as a continuous tunnel along a first edge of the interconnected bags for guidance into an automatic bag filling machine, for example, onto a mandrel threading the tunnel. Each bag has a valve formed by overlapping portions of panels of one wall of a bag. Parts of the overlapping portions are sealed together and other parts are left open between two valve side edge lines to form a valve from the overlapping material.

REFERENCES:
patent: 3217770 (1965-11-01), Garth
patent: 3337117 (1967-08-01), Lehmacher et al.
patent: 3559874 (1971-02-01), Titchenal
patent: 3791573 (1974-02-01), Titchenal et al.
patent: 3833166 (1974-09-01), Murray
patent: 4093114 (1978-06-01), Lawes

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