US 12,268,351 B2
Device and method for introducing openings into a disposal bag for a vacuuming device, and vacuuming device
Xaver Hanslmeier, Mauerstetten (DE); Eduard Sever, Ludesch (AT); and Felix Basalla, Ebhausen (DE)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 17/777,218
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Nov. 11, 2020, PCT No. PCT/EP2020/081707
§ 371(c)(1), (2) Date May 16, 2022,
PCT Pub. No. WO2021/099188, PCT Pub. Date May 27, 2021.
Claims priority of application No. 19210540 (EP), filed on Nov. 21, 2019.
Prior Publication US 2022/0400917 A1, Dec. 22, 2022
Int. Cl. A47L 9/14 (2006.01); A47L 5/36 (2006.01); B01D 46/00 (2022.01)
CPC A47L 9/1427 (2013.01) [A47L 5/365 (2013.01); A47L 9/14 (2013.01); B01D 46/0005 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A vacuuming device comprising:
a suction head;
a collecting tank; and
a device for introducing openings into a disposal bag for the vacuuming device, the device including components configured in a manner corresponding to one another, the components including an open structure designed to effect pressure equalization between a first region and a second region of the collecting tank.