Improvements in shaft seals

1,110,218. Shaft seals. GEORGE ANGUS & CO. Ltd. 7 Sept., 1965 [24 Sept., 1964], No. 38936/64. Heading F2B. A crank-shaft seal comprises a synthetic rubber ring having an outer holding annulus 1 reinforced by a metal ring insert 2 and an inner sealing flange 3 urged inwardly by a garter spring 9...

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Hauptverfasser: JAGGER ERNEST THORNTON, HALLIDAY GEOFFREY WALTON
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creator JAGGER ERNEST THORNTON
HALLIDAY GEOFFREY WALTON
description 1,110,218. Shaft seals. GEORGE ANGUS & CO. Ltd. 7 Sept., 1965 [24 Sept., 1964], No. 38936/64. Heading F2B. A crank-shaft seal comprises a synthetic rubber ring having an outer holding annulus 1 reinforced by a metal ring insert 2 and an inner sealing flange 3 urged inwardly by a garter spring 9 and having a sealing lip formed on its inner periphery by two frusto-conical surfaces 4 and 5, the surface 5 having moulded therein a multi-start thread 6 which meets the lip edge 7 at two or more points and of which more than two crests are intersected by any radial section through the ring. In use, the thread acts to feed back leakage oil. The ring is preferably of silicone synthetic rubber, e.g. methyl vinyl polysiloxane compounded with fillers and curing agents.
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subjects 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
title Improvements in shaft seals
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