Fire protection sleeve

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United States of America Patent

PATENT NO 12123534
APP PUB NO 20230160500A1
SERIAL NO

18153924

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A firestop collar (10) for sealing of openings, especially of line penetrations (12), that pass through walls (11) or ceilings has a frame (16) and a block (20) of optionally intumescent material disposed therein, and is characterized in that an intumescent inlay (22) is disposed between the block (20) and the frame (16).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFT9494 SCHAAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muenzenberger, Herbert Wiesbaden, DE 42 296

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