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US 10,702,726 B2Granted
Fire-protection element as well as method for manufacturing a fire-protection element
AssigneeHilti Aktiengesellschaft
InventorChristian Foerg
Life of this patent
Estimating the term…
Abstract
A fire-protection element can be formed to accommodate a line penetration. The fire-protection element includes a substantially cylindrical housing, which has an inner side that defines a duct for at least one line and/or one pipe, where an intumescent material is sprayed directly onto at least portions of the inner side of the housing.
Claims19
A fire-protection element, comprising:
- a substantially cylindrical housing, which has an inner side that defines a duct for at least one line and/or one pipe and which has at least one lateral depression on the inner side, and
- an intumescent material that is disposed on at least a portion of both the duct and the at least one lateral depression, wherein the intumescent material narrows a bore of the duct,
- wherein said intumescent material is disposed directly on at least portions of the inner side of the housing.
Dependencies are inferred from the claim text.