Gland packing materials made from expansive graphite, gland packing made from expansive graphite made from the materials, and a producing method of gland packing made from expansive graphite
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United States of America Patent
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Aug 5, 2003
Grant Date -
Jun 13, 2002
app pub date -
Jul 30, 2001
filing date -
Oct 19, 2000
priority date (Note) -
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Abstract
The present invention relates to gland packing materials made from expansive graphite, gland packing made from expansive graphite made from the materials, and a producing method of gland packing made from expansive graphite; braiding thread is a filamentose with winding or twisting a strip laminated sheet that a bundle of sprit fiber is laminated and unified through an adhesive layer so as to be a reinforcing material, and a cord body is constructed by braiding the braiding thread, then a packing is constructed by pressure forming this cord body.
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