Gaskets
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United States of America Patent
Stats
-
Apr 17, 2007
Grant Date -
Jul 17, 2003
app pub date -
Jan 12, 2001
filing date -
Jan 14, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A spirally wound gasket is described. The gasket includes a sealing strip (11) wound into a spiral and a support strip (10) wound into a spiral in such a manner that the spiral of the sealing strip is formed interposed between the coils of the supporting strip. The sealing strip comprises a resilient material, the resilient material comprising a CEV component in a proportion of at least 25% w/w of the sealing strip. The CEV component is at least partially derived from dry CEV, and the sealing strip does not include a carrier strip in one aspect. In another aspect, the CEV component is at least partially derived from dry CEV, and the sealing strip has a moisture level of between 3 20% w/w of the sealing strip resilient material during winding into the said gasket. A method of producing a sealing strip is also described.
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