US 12,077,343 B2
Self-closing sack
Joseph Zvi Porat, Highland Beach, FL (US); David Shlomo Gabrieli, Ramat Yishai (IL); Shay Gabrieli, Ramat Yishai (IL); and Yigal Natan Ringart, Givat Ela (IL)
Assigned to Aquabot Ltd., Afula (IL)
Appl. No. 17/798,558
Filed by Aquabot Ltd., Afula (IL)
PCT Filed Jan. 7, 2021, PCT No. PCT/IL2021/050027
§ 371(c)(1), (2) Date Aug. 10, 2022,
PCT Pub. No. WO2021/161299, PCT Pub. Date Aug. 19, 2021.
Claims priority of provisional application 62/975,220, filed on Feb. 12, 2020.
Prior Publication US 2023/0106842 A1, Apr. 6, 2023
Int. Cl. B65D 33/16 (2006.01); B65D 33/24 (2006.01)
CPC B65D 33/1658 (2013.01) [B65D 33/24 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A sack comprising:
a flexible sack body;
a mouth of the sack body comprising two separable lips that form a mouth opening when the lips are separated from one another, and that close the opening when the lips are adjacent to one another: and
closing structure that is configured to bow outward when a separating force is applied to the lips to separate the lips from one another to form the mouth opening, and that is configured to bring the lips adjacent to one another to dose the mouth opening in the absence of the applied separating force,
wherein the sack further comprising at least one pair of panels, each panel of the at least one pair of panels attached to opposite sides of the sack body, that are configured to adhere to one another when the lips are brought adjacent to one another,
wherein a panel of said at least one pair of panels is substantially affixed to a side of the sack body,
wherein at least two ends of that panel are affixed to the sack body.