Back to results
US 12,296,205 B2Granted
Fire protection element for sealing passage openings in components
AssigneeHilti Aktiengesellschaft
InventorsAndreas Ahlers, Sebastian Simon, Ramona Prem, Ralf Willner, Sarah Freudling
Life of this patent
Estimating the term…
Abstract
A fire protection element containing a layered body can be utilized for sealing passage openings in components, such as building components, through which conduits are guided. A method can be used for producing the fire protection element. The fire protection element can be used for sealing passage openings and/or joints in components against fire and flue gases.
Claims16
A fire protection element, comprising:
- at least one fire protection layer;
- and
- at least one functional layer,
- wherein the at least one fire protection layer comprises a carrier material and a number of particles of at least one layered, physically acting blowing agent,
- the at least one functional layer has a temperature resistance up to at least 300° C.,
- the at least one fire protection layer and the at least one functional layer are at least planarly firmly bonded to one another and wherein adjacent particles of the at least one layered, physically acting blowing agent are arranged substantially in parallel with one another over an entirety of the at least one fire protection layer,
- the at least one functional layer comprises at least one semi-rigid material, and
- said at least one functional layer is placed and/or pressed into a not-yet dried carrier material of said at least one fire protection layer and then said carrier material is cured by physical drying.
5 more elements
Dependencies are inferred from the claim text.