Seal

United States of America Patent

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Sep 24, 1996
Issued Date
N/A
app pub date
Apr 26, 1995
filing date
Dec 31, 1990

priority date (Note)
Expired

status (Latency Note)

Importance

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Abstract

A static seal comprising an envelope of chemically resistant PTFE and a metallic packing ring within the envelope shaped to form cells. The cells may be filled with an inert gas under pressure so that increased loads on the seal may be cushioned.

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First Claim

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Patent Owner(s)

Patent Owner	Address
NICHOLSONS SEALING TECHNOLOGIES LIMITED	HAMSTERLEY NEWCASTLE-UPON-TYNE NE17 7SX

International Classification(s)

F16J:PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; S....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nicholson, Terence P	Hexham, GB3	25	494

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United States of America Patent

08427881

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US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

PATENT NO	5558347
SERIAL NO	08427881
DOCKET NO

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08427881

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Importance

Abstract

First Claim

Family

Patent Owner(s)

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