Spigot and socket connections

Details Spigot and socket connections Spigot and socket connections

1983-09-08

1986-12-02

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285369, 2853822, 72410, F16L 3500

Patent

active

046260005

ABSTRACT:
A sleeve for joining two pipes in end-to-end relationship has a deformable region at each end, each deformable region tapering axially towards the end of the sleeve and being separated from the major constant diameter portion of the sleeve by an external annular shoulder. The annular rear face of each shoulder forms a locating face for annular abutment faces of a deforming tool. The tool has pressure faces for applying a deforming force to each deformable region of the sleeve in turn so as to engage the pipe received within it. The pressure faces are prevented from axial displacement relative to the sleeve during a deforming operation by the mutual abutment of the annular locating faces of the sleeve and tool and the axial taper of the deformable region allows deformation of the sleeve to engage the pipe to take place within lateral buckling of the sleeve.

REFERENCES:
patent: 3149861 (1964-09-01), Larsson
patent: 3343252 (1967-09-01), Reesor
patent: 3375026 (1968-03-01), Szohatzky
patent: 3596939 (1971-08-01), Gibson

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