Title:
【発明の名称】膨張黒鉛製シール素材およびその製造方法ならびにガスケット用シート
Document Type and Number:
Japanese Patent JP2645800
Kind Code:
B2
Abstract:
The invention provides: an expanded graphite sealing material in which the adaptability of the principal face of an expanded graphite base member is improved, the bonding strength to a coating layer and the like can be increased, and the sealing properties can be enhanced; a method of producing such a sealing material; and a gasket sheet using the sealing material. On at least a portion of a principal face 11a of an expanded graphite base member 11 in which expanded graphite particles 1a are pressurized and integrated together, opened thin-leaf graphite portions 12 are formed. The principal face 11a of the expanded graphite base member 11 having the thin-leaf graphite portions can be impregnated with a sealing member such as PTFE or covered with a coating layer. As the form of the sealing material, a sheet, a press-molded product, a fabric, a string, or a braided article can be adopted.
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Inventors:
UEDA TAKAHISA
FUJIWARA MASARU
YAMAMOTO AKIMASA
FUJIWARA MASARU
YAMAMOTO AKIMASA
Application Number:
JP31348193A
Publication Date:
August 25, 1997
Filing Date:
December 14, 1993
Export Citation:
Assignee:
NIPPON PIRAA KOGYO KK
International Classes:
C01B31/04; C04B35/52; C04B41/81; C09C1/46; C09J5/02; C09K3/10; F16J15/10; F16J15/22; (IPC1-7): C04B35/52; C01B31/04; C04B41/81; C09C1/46; C09J5/02; F16J15/10
Domestic Patent References:
| JP56157478A |
Attorney, Agent or Firm:
Koichi Suzue (1 person outside)