Packing set for a rotary shaft and method of making the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 20, 2002
app pub date -
Oct 18, 2001
filing date -
Oct 18, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A packing set is disclosed for use with pumps, mixers, valves and agitators having a rotary shaft, the packing set including a upper end ring, a lower end ring and a plurality of center sealing rings. The plurality of center rings are disposed between the upper end ring and the lower end ring and axially aligned with respect thereto. Each center ring has a body portion defined by an inside diameter and an outside diameter and is formed from a material which comprises a base rubber and at least about 25 percent by weight fluorine.
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