Flexible bags – With closure – For access opening in bag bottom
Patent
1994-07-28
1996-01-16
Shoap, Allan N.
Flexible bags
With closure
For access opening in bag bottom
383 73, 383 75, B65D 3328, B65D 3336
Patent
active
054842077
ABSTRACT:
A bulk material transport bag of the type having four walls, a top portion with the top portion including a bulk inlet spout, and a bottom, with the bottom portion including a discharge port. The bag would incorporate a cone to flat bottom feature on the bottom of the bag, which would allow the bottom of the bag to form a conical configuration when bulk material is pouring from the discharge spout, but when the discharge spout is closed off, the material of the bottom is pulled inwardly by the closure of the spout and the cone would form from the conical shape to the flat shape. When the discharge end is opened, the flat bottom of the bag would return to the conical shape serving as a discharge bottom of the bag. There would further be included a drawstring formed in a pocket around the closure so that a pulling of the drawstring would tighten the closure to form the closed end of the bag. The ends of the drawstring would be housed within a channel formed within the bottom of the bag which would allow the ends of the drawstring to be threaded through the channel and would extend out to the side of the bag rather than beneath the bag. Further, there would be provided a means for tying the drawstring of the closed end of the bag, in either a bow-tie utilizing a loop for fully disengaging the bow-tie, or a modified bow-tie utilizing a half-hitch knot to provide a means for fully disengaging the bow-tie.
REFERENCES:
patent: 4211266 (1980-07-01), Massey
patent: 4691371 (1987-09-01), Derby
patent: 4811419 (1989-03-01), Derby
patent: 4953987 (1990-09-01), Schnaars
patent: 5340218 (1994-08-01), Cuthbertson
Beard Jean-Andre
Schnaars Daniel R.
Pascua Jes F.
Shoap Allan N.
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