Flexible bags – With closure – For access opening in bag bottom
Patent
1988-12-06
1990-09-04
Marcus, Stephen
Flexible bags
With closure
For access opening in bag bottom
383 32, 383 75, B65D 3316
Patent
active
049539876
ABSTRACT:
The improved bag and method of the present invention introduces relates to a bulk bag which would include four (4) side portions, each of the side portions joined at their edges for forming a bulk container space therewithin, a susbstantially flat bottom portion attached to the side portions, with the bottom portion including a centrally positioned discharge spout, which would allow bulk contained within the bag to be discharged through the discharge spout. The bag would further include an upper top portion attached to the four (4) walls of the bag, the upper top portion being substantially cone - shaped, which may include an inlet spout at the top of the cone, for allowing bulk material to be poured into the bag. When bulk material is poured into the bag portion, the bulk material would form a cone of material within the cone portion of the bag, thus assuring that the walled portion of the bag has been filled with bulk. In closing of the bag, there is provided a draw string within the peripheral wall of the inlet spout, the draw string being in a position from the juncture between the spout and the top of the cone less than one half the diameter of the spout, so that upon constriction of the spout, via the draw string to closure, the cone portion of the bag would be drawn tight towards the center of the bag, so that the cone and the spout upon being tied off would form a flat top.
REFERENCES:
patent: 3105617 (1963-10-01), Felldin
patent: 3789897 (1974-02-01), Saito
patent: 4211266 (1980-07-01), Massey
patent: 4364424 (1982-12-01), Nattrass
patent: 4524457 (1985-06-01), Marino
Marcus Stephen
Pascua Jes F.
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