Fire resistant bushing for cables, pipes and channels
OwnerTerje Andersen, Ole A Eideinventors
Life of this patent
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Abstract
A fire insulating support means for installation of one of cables, pipes and ventilation ducts in a through aperture in a wall includes a flange-shaped body. The flange-shaped body is made of a platelike member and a tubular member which has an aperture therethrough for the placement of a duct, pipe or cable. The flange-shaped body includes a fire insulating material, the platelike member in the flange-shaped body is provided with at least one through hole for fastening means for securing the body to the wall and at least partway around the at least one through hole is disposed a thermally expanding mat.
Claims15
A fire insulating support means for installation of one of cables, pipes and ventilation ducts in an aperture in a wall, which support means comprises a flange-shaped body, which flange-shaped body comprises a platelike member and a tubular member, and which flange-shaped body has an aperture therethrough for the placement of a duct, pipe or cable, wherein the flange-shaped body comprises a fire insulating material, and wherein the platelike member in the flange-shaped body is provided with at least one through hole for fastening means for securing the body to the wall, and where at least partway around the at least one through hole is disposed a thermally expanding mat.
Dependencies are inferred from the claim text.