Adjustable pump seal with tapered conical members

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member


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277 13, 277170, F16J 1540




A pump is provided with an adjustable tapered seal mechanism so that when wear occurs a simple adjustment is required rather than a dismantling of the pump and replacement with a new seal.

patent: 333049 (1885-12-01), Archibald
patent: 781648 (1905-02-01), Graham et al.
patent: 897189 (1908-08-01), Belluzzo
patent: 991225 (1911-05-01), Morton
patent: 2574773 (1951-11-01), Bannister
patent: 3114322 (1963-12-01), Leonard, Jr.
patent: 3195466 (1965-07-01), Young
patent: 3471157 (1969-10-01), Swearingen
patent: 3774879 (1973-11-01), Zink
patent: 3877844 (1975-04-01), Klaus et al.
patent: 4198063 (1980-04-01), Shimizu et al.
patent: 4304411 (1981-12-01), Wilcock et al.


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