Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1992-12-28
1993-11-30
Arola, Dave W.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285315, 285320, F16L 5500
Patent
active
052659178
ABSTRACT:
A sealed connection for two cylindrical members defining an axis, and in combination with the members comprising at least two semi-cylindrical connector sections sized to fit about the members, the sections forming multiple projections that extend radially inwardly and generally annularly about the axis, the projections spaced apart in an axial direction on each of the sections in meshing interengagement with corresponding projections on the members that project radially outwardly, with the sections bridging the joint between the members, whereby the members are held against relative axial separation, the projections in the sections having annular extents about the axis; generally annular retaining ring structure extending annularly about the sections and having wedging engagement therewith to block outward movement of the sections that would tend to relieve such meshing interengagement; there being sealing structure at the joint between the members and compressed by the members when the sections are fully assembled thereto; the sections having intermediate portions bridging the joint between the members, certain of the projections located on one axial side of the intermediate portions, and others of the projections located on the opposite axial side of the intermediate portions; the sections and one member providing pivot structure allowing the sections to pivot relative to the member, for disengaging the meshing interengagement when the retaining structure is axially displaced, whereby the member may be relatively separate.
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Arola Dave W.
Haefliger William W.
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