Flexible bags – Free-standing
Patent
1998-08-21
2000-03-14
Pascua, Jes F.
Flexible bags
Free-standing
383 80, 383107, 383119, 383122, B65D 3302
Patent
active
060363657
ABSTRACT:
A pack comprises a horizontal base and vertical side walls formed from a blank. The side walls are joined to each other in planes perpendicular to the base and form stiffening ribs. The side walls are seamlessly joined to the base and the base is seamless. The pack is produced by folding the blank and joining the side walls.
REFERENCES:
patent: 2500341 (1950-03-01), Burnett
patent: 3074617 (1963-01-01), Kindseth et al.
patent: 4479243 (1984-10-01), Derby et al.
patent: 5772332 (1998-06-01), Geller
patent: 5842790 (1998-12-01), Imer
Pascua Jes F.
Schaefer Ira J.
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