Plugs for repairing sifting or filtering screens

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8961784
APP PUB NO 20100201081A1
SERIAL NO

12668455

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a plug (1) for repairing a sifting or filtering screen, the plug having at least one line of weakening (5) which can be ruptured whereby the plug has a plurality of possible plug sizes so that the plug is capable of plugging at least two different sizes of cell of the screen. Each possible plug size has a seal (2) extending around the complete periphery of the chosen plug size, in use the seal serving to engage and seal against the screen in order to plug a cell aligned with a damaged area of the screen.

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First Claim

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Patent Owner(s)

  • UNITED WIRE LIMITED;M-I SWACO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ralph, Andrew Lothian, GB 11 20

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