Vented bags

Details Vented bags Vented bags

1974-07-22

1976-02-10

Price, William

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

Hanging type

224DIG14, D65D 3114

Patent

active

039373959

ABSTRACT:
In a plastics bag having a vent comprising overlapping panels forming a part of the bag wall, with off-set apertures providing air passages from the bag interior to the space between the panels and thence to the atmosphere, at least one of the panels has an uneven surface facing the venting space in the vicinity of the internal venting apertures.

REFERENCES:
patent: 2778171 (1957-01-01), Taunton
patent: 2778173 (1957-01-01), Taunton
patent: 2997224 (1961-08-01), Stannard
patent: 3237844 (1966-03-01), Hughes
patent: 3370780 (1968-02-01), Shaw
patent: 3394871 (1968-07-01), Williams et al.
patent: 3833166 (1974-09-01), Murray

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