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1,182,426. Shaft seals. GEORGE ANGUS & CO. Ltd. 30 June, 1967 [7 July, 1966], No. 30627/66. Heading F2B. In a shaft seal comprising a sealing ring of elastomeric material having a sealing lip with a circumferential sealing edge 5 between inner and outer frusto-conical surfaces 7 and 6 the outer...

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Bibliographische Detailangaben
1. Verfasser:	WALTON HALLIDAY,GEOFFREY
Format:	Patent
Sprache:	ger
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:	1,182,426. Shaft seals. GEORGE ANGUS & CO. Ltd. 30 June, 1967 [7 July, 1966], No. 30627/66. Heading F2B. In a shaft seal comprising a sealing ring of elastomeric material having a sealing lip with a circumferential sealing edge 5 between inner and outer frusto-conical surfaces 7 and 6 the outer surface 6, which in use faces away from the sealed fluid, is formed with at least one ridge 8 which lies in a plane oblique to the plane of the edge 5 at an angle of not more than 20 degrees and the ends 9, 10 of which intercept the edge 5 and present a pair of oppositely-directed vane surfaces. The angle of obliquity of the ridges is preferably not more than 3 degrees. In the embodiment shown the angle is 1 degree and two of the ridges intercept the edge 5. It is stated that in use the ridges act to oppose leakage by a feedback effect irrespective of the direction of rotation of the shaft.