Sealing system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11293285
APP PUB NO 20200208520A1
SERIAL NO

16341170

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to a sealing system, its uses and method of use for forming a seal against a surface, and in particular for plugging and sealing an orifice such as a road or railway tunnel to prevent or minimise the dispersion of hazardous agent(s) in an emergency scenario. The system comprises a frame (200) which can be orientated against a surface (50) of an orifice, frame (10) comprising a perimeter outer surface (180) through which pliant elements (40) can extrude, via apertures (22), following the initiation of a means (30) for providing an overpressure.

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Patent Owner(s)

Patent OwnerAddress
THE SECRETARY OF STATE FOR DEFENCESALISBURY WILTSHIRE SP4 0JQ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thompson, Duncan Godfrey Mervyn Salisbury, GB 2 3

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