US 11,850,455 B2
Fire protection element
Andreas Ahlers, Westendorf (DE); and Sebastian Simon, Buchloe Lindenberg (DE)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 17/309,410
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Nov. 22, 2019, PCT No. PCT/EP2019/082292
§ 371(c)(1), (2) Date May 26, 2021,
PCT Pub. No. WO2020/120108, PCT Pub. Date Jun. 18, 2020.
Claims priority of application No. 18211203 (EP), filed on Dec. 10, 2018.
Prior Publication US 2022/0032098 A1, Feb. 3, 2022
Int. Cl. A62C 2/06 (2006.01); A62C 2/24 (2006.01); F16L 5/04 (2006.01)
CPC A62C 2/065 (2013.01) [A62C 2/241 (2013.01); A62C 2/248 (2013.01); F16L 5/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fire protection element for sealing a combustible body which penetrates an opening in a wall or ceiling, in the event of a fire, the fire protection element comprising:
a fire protection insert, and
a heat-activatable drive for the fire protection insert,
wherein the fire protection insert is in an initial position within the wall or ceiling and, in the event of a fire, is moved by the heat-activatable drive into a use position in which the fire protection insert is at least partially outside the wall or ceiling; and
wherein the heat-activatable drive comprises a spring, a bimetal and/or an expandable gas as the drive element.