Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1996-08-30
1997-08-12
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 9, 277212FB, 403 51, 403282, F16J 1552, F16B 718
Patent
active
056557787
ABSTRACT:
A method and apparatus for improving a seal of a pliant tubular member on a cylindrical shaft. The seal is in the form of an articulating seal member positioned on a piston rod of a reciprocating pump and in this invention, is for use in a system that has dual in-line reciprocating pumps. The articulating seal has a tubular end positioned over circumferential grooves on each piston rod of the dual acting piston pump. To provide a tight, intimate seal relationship of the tubular end of the articulating seal with the piston rod, a self-threading member is threaded over the pliant tubular end to crush and deform the pliant tubular end into the circumferential grooves.
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Beres John L.
Binks Manufacturing Company
Cuchlinski Jr. William A.
O'Reilly David
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