Material for gland packing and the gland packing

Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped

Reexamination Certificate

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Details

C057S260000

Reexamination Certificate

active

10527624

ABSTRACT:
A gland packing including strip-like expanded graphite is disposed on one face of a sheet-like reinforcing member configured by a fibrous material to form a strip-like base member. The base member is stranded to be formed as a cord-like member. The outside of the cord-like member is covered by a portion of the strip-like expanded graphite, and the whole reinforcing member and the remaining portion of the strip-like expanded graphite are involved in the cord-like member. A large number of openings are formed in the reinforcing member. The strip-like expanded graphite faces the openings. The strip-like expanded graphite is engaged with the openings.

REFERENCES:
patent: 5549306 (1996-08-01), Ueda
patent: 6502382 (2003-01-01), Fujiwara et al.
patent: 6708479 (2004-03-01), Fujiwara et al.
patent: 2002/0069635 (2002-06-01), Tsukamoto
patent: 2003/0070413 (2003-04-01), Fujiwara et al.
patent: 1 179 698 (2002-02-01), None
patent: 1 193 428 (2002-04-01), None
patent: 2 285 067 (1995-06-01), None
patent: 3-249482 (1991-11-01), None
patent: 10-132086 (1998-05-01), None

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