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US 11,597,593 B1Granted
Containment bag with self-supporting sidewalls
AssigneePacTec, Inc.
InventorsMichael R. Schilling, Troy Town
Life of this patent
Estimating the term…
Abstract
A self-standing container having four sidewall panels, a bottom panel, and openable top panel, wherein (i) all the panels are formed of a polymer material, and (ii) the top panel has a closure configured to close the top panel in relation to the sidewall panels. Each sidewall panel has a pocket panel attached thereto forming a pocket. A spring steel stiffener is positioned between each sidewall and pocket panel, with the spring steel stiffener forming a closed loop.
Claims19
A self-standing container comprising:
- (a) four sidewall panels, a bottom panel, and an openable top panel, wherein (i) all the panels are formed of a polymer material, (ii) the top panel has a closure configured to close the top panel in relation to the sidewall panels, and (iii) the sidewall, bottom, and top panels are formed from at least one of the materials from the group consisting of WPP, WPE, PVC, Urethane, NWPP, NWPET, Ctd NWPP, and Ctd NWPET;
- (b) each sidewall panel having a pocket panel attached thereto forming a pocket;
- and
- (c) a spring steel stiffener positioned between each sidewall and pocket panel, wherein (i) the sidewalls have a perimeter, the spring steel stiffener has a circumference, and the circumference is 75% to 95% of the perimeter, and (ii) the spring steel stiffener is formed of wire which has a cross-sectional area of between 0.0044 in2 and 0.0241 in2 and which is formed into a closed loop.
1 more element
A self-standing container comprising:
- (a) at least one sidewall panel and an openable top panel, the top panel having a closure configured to close the top panel in relation to the sidewall panel;
- (b) the sidewall panel having a pocket panel attached thereto in a manner to form a pocket with the sidewall panel;
- and
- c) a spring stiffener positioned between the sidewall and pocket panel, the spring stiffener configured to place force against multiple sides of the pocket.
1 more element
Dependencies are inferred from the claim text.