Method and sealing system for sealing an annular space between a rigid conduit and a pipe, tube or duct extending through the conduit and made of a thermally weakenable material

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United States of America Patent

PATENT NO 8783693
APP PUB NO 20110018206A1
SERIAL NO

12663754

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Abstract

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Method for sealing an annular space in a rigid conduit (2) and a pipe, tube or duct (3) extending through the conduit (2) and made of a thermally weakenable material, wherein the method comprises applying in the conduit a layer (4) of a thermally expandable material concentrically around the pipe, tube or duct (3), and applying at each end of the conduit (2) between the conduit and the pipe, tube or duct (3) a sealant (5) being made of a fire resistant polymer.

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Patent Owner(s)

  • BEELE ENGINEERING B.V.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beele, Johannes Alfred Aalten, NL 34 487

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