Sealing device for reciprocal movement

PCT No. PCT/JP96/01113 Sec. 371 Date Mar. 6, 1998 Sec. 102(e) Date Mar. 6, 1998 PCT Filed Apr. 24, 1996A sealing device for application to relatively movable concentric members at an interface between liquid and air contains a seal lip having a pair of annular projections on the surface thereof on p...

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Hauptverfasser:	KANZAKI, YOSHIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Zusammenfassung:	PCT No. PCT/JP96/01113 Sec. 371 Date Mar. 6, 1998 Sec. 102(e) Date Mar. 6, 1998 PCT Filed Apr. 24, 1996A sealing device for application to relatively movable concentric members at an interface between liquid and air contains a seal lip having a pair of annular projections on the surface thereof on predetermined axial spacing. Free ends of the projections on the device having convergent surfaces wherein, on the liquid end of the device, the angularity of the surface facing the intermediate space is no less than that of the liquid-facing surface and, on the air end of the device, the angularity of the surface facing the intermediate space is greater than that of the air-facing surface.