Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1994-10-26
1996-07-30
Cummings, Scott W.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277DIG6, 428403, 428404, F16J 1520
Patent
active
055404510
ABSTRACT:
In a composite sealing material having an inner portion and a carbon outer portion, a bulk density of the carbon outer portion is set in a range of 0.3.about.2.0 g/cm.sup.3, preferably in a range of 0.5.about.1.5 g/cm.sup.3, or fiber members are mixed in the carbon outer portion, or an oil layer is arranged on the carbon outer portion, or an organic layer or an inorganic layer is arranged on the carbon outer portion, so as to improve sealing properties of sealing members formed by using the composite sealing materials.
REFERENCES:
patent: 266031 (1882-10-01), Haas
patent: 861127 (1907-07-01), Kleckner
patent: 982182 (1911-01-01), Johnston
patent: 1580212 (1926-04-01), McKeon et al.
patent: 2316778 (1943-04-01), Fiechter
patent: 2363688 (1944-11-01), Pollard
patent: 3492197 (1970-01-01), Olstowski
patent: 4888240 (1989-12-01), Graham et al.
Hishiki Tatsuya
Ikami Toshiichi
Kiyosawa Shunichi
Ohta Kazuo
Seike Shoji
Cummings Scott W.
NGK Insulators Ltd.
Tokyo Electric Power Services Co., Ltd.
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