Device for passing pipes or cables through an opening in a building

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United States of America Patent

PATENT NO 9982805
SERIAL NO

15171593

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Importance

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Abstract

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The invention relates to a device for passing pipes or cables through an opening in a building. Said device comprises a sleeve-like housing that has an axial passage channel that is open at its opposite ends; bristles that are mounted on the walls of the passage channel in such a way that they are opposite each other and that are extended inwards in such a way that they mesh with one another in order to close the passage channel; and flexible strips of material that are mounted in the passage channel and that are coated with an intumescent material.

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFTFELDKIRCHERSTR 100 SCHAAN 9494

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Förg, Christian Lamerdingen, DE 29 124
Monden, Thomas Stetten, DE 24 225
Paetow, Mario Igling, DE 46 345
Semler, Rudolf Prittriching, DE 12 44

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