Fluid seal

Details Fluid seal Fluid seal

1991-03-20

1992-05-19

Raevis, Robert

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F02F 500

Patent

active

051141612

ABSTRACT:
A sealing means is provided that may be used, among other things, for sample injection apparatus used in liquid chromatography. The seal includes a jacket having a central bore through which a hypodermic needle containing a sample is inserted. The jacket includes a U-shaped cross section having an inner axial surface and an outer axial surface. Metal cylindrical bands which function as springs are positioned tightly against the inner and outer axial surfaces respectively. Each band has a slot extending through its thickness and along its entire axial length.

REFERENCES:
patent: 2877070 (1959-03-01), Lee
patent: 3601417 (1971-08-01), Szepesvary
patent: 3889958 (1975-06-01), Bennett

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