Flexible bags – Lifting or suspending element – Unitary with bag
Patent
1988-03-10
1989-08-22
Garbe, Stephen P.
Flexible bags
Lifting or suspending element
Unitary with bag
383 37, 383 77, B65D 3306
Patent
active
048590827
ABSTRACT:
A continuous bag strip separable into a plurality of bags is formed of a flat, continuous tubular strip of flexible plastic material having opposite sides and longitudinal edges each of which has an inward longitudinal fold made along a fold line, the strip having a plurality of longitudinally spaced apart transverse weld lines extending from one longitudinal edge of the strip to the other and a plurality of transverse perforation lines each located close to a respective weld line and extending from one longitudinal edge of the strip to the other such that the strip may be separated into bags each having a bottom formed by one of the weld lines, each side of the strip having a plurality of longitudinally elongated die-cut openings at the location of each of the fold lines, each opening having two longitudinal edges and two traverse edges; one transverse edge of each opening lying on a perforation line or between that perforation line and the corresponding adjacent weld line and the other transverse edge of each opening being semicircular in shape.
REFERENCES:
patent: 3966524 (1976-06-01), Lehmacher
patent: 3990625 (1976-11-01), Jelling et al.
patent: 4554192 (1985-11-01), Benoit
Llorens Rafael G.
Sole Juan V.
Esselte Meto
Ferguson Jr. Gerald J.
Garbe Stephen P.
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