Fire protection element
AssigneeHilti Aktiengesellschaft
InventorsAndreas Ahlers, Sebastian Simon
Life of this patent
Estimating the term…
Abstract
A fire protection element for sealing a combustible body which penetrates an opening in a wall or ceiling, in the event of a fire, contains 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 into a use position in which the fire protection insert is at least partially outside the wall or ceiling.
Claims20
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.
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 housing and a retaining element connected to the housing, and at least one spring arranged in the housing, the retaining element holding the spring under pretension when in the initial position.
Dependencies are inferred from the claim text.