Flexible bags – With closure – Self-closing type
Patent
1984-10-26
1986-06-03
Garbe, Stephen P.
Flexible bags
With closure
Self-closing type
383 89, 150900, B65D 3330
Patent
active
045934088
ABSTRACT:
A closure device for a flexible package having an opening is described as including a substantially concavo-convex closure strip mounted at the opening of the package with its convex face oriented toward the interior thereof. The closure strip is resiliently flexible between a stable undeflected position wherein it maintains the opening of the package in closed condition, and a stable deflected position wherein it maintains the opening in a substantially opened condition. The closure strip includes two non-parallel intersecting surfaces which are joined longitudinally along their intersection by a curved fillet-like section having a predetermined radius r. The intersecting surfaces each have a width greater than or equal to a minimum width w; and such surfaces are disposed relative to one another at a predetermined angle .alpha. as measured between the adjacent faces of such intersecting surfaces, wherrein angle .alpha. is greater than 0.degree. and less than 180.degree. and the value of r/w.sup.2 is greater than or equal to 0 mm.sup.-1 and less than or equal to approximately 0.04 mm.sup.-1 when the values r and w are measured in millimeter units. The closure device is adapted to adequately serve as a closure for the package while providing convenient and substantial access to the product within when deformed to its stable opened position.
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Drobish James L.
McKibben Gary E.
Garbe Stephen P.
Gorman John V.
Snyder Ronald J.
The Procter & Gamble & Company
Witte Richard C.
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