Non-metallic identical half coupling

Details Non-metallic identical half coupling Non-metallic identical half coupling

1994-06-16

1996-04-09

Lee, Kevin

Valves and valve actuation

With correlated flow path

Flow path joint interlocked with valve or actuator

13761406, 251368, F16L 3706

Patent

active

055054285

ABSTRACT:
An improved non-metallic half coupling having a housing enclosing a valve that can be rotated between open and closed positions. The coupling includes an annular housing comprised of a polymer material having a first end and a second end. The first end is adapted to receive a second identical half coupling. The second end is adapted to receive a fluid conduit. A fluid passageway is defined through the housing. A valve having a spherical configuration is positioned adjacent to the first end in the housing. The valve is comprised of a polymer material. The valve defines a bore having an axis extending therethrough. A handle comprised of a polymer material is in communication with the valve. The handle rotates the valve about a valve axis transverse to the bore axis between an open position and a closed position. The handle can include various projections and recesses to maintain the proper position of the handle.

REFERENCES:
patent: 4438779 (1984-03-01), Allread
patent: 4523740 (1985-06-01), Paitchell
patent: 5067691 (1991-11-01), Hunziker et al.
patent: 5090447 (1992-02-01), Lewis et al.
patent: 5090449 (1992-02-01), Fournier
patent: 5099883 (1992-03-01), Maiville
patent: 5251940 (1993-10-01), DeMoss et al.
patent: 5332001 (1994-07-01), Brown

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