Back to results
US 11,231,129 B2Granted
Fire protection device and fire protection assembly
AssigneeHilti Aktiengesellschaft
InventorSebastian Simon
Life of this patent
Estimating the term…
Abstract
A fire protection device is useful for sealing through-openings in wall or ceiling elements made of wood or a similar material, in particular for sealing line or pipe feedthroughs. The fire protection device has a main body and at least one expansion body which is attached to an end face of the main body and contains an intumescent material. Also useful is a fire protection assembly.
Claims15
A fire protection device for sealing a through-opening in a wall or ceiling element made of wood or a combustible material, the fire protection device comprising:
- a main body, wherein the main body has a length that extends parallel to the wall or ceiling or element, and
- a frame, wherein the frame fastens the fire protection device to the wall or ceiling element,
- prior to a fire, at least one expansion body is attached directly to an end face of the main body along the length and configured to be placed only between the end face of the main body and the wall or ceiling element, and wherein the at least one expansion body contains an intumescent material and extends only under the main body.
Dependencies are inferred from the claim text.