Self-locking union

Details Self-locking union Self-locking union

1980-07-29

1982-05-04

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285325, 285365, F16L 2300, F16L 3726

Patent

active

043279422

ABSTRACT:
The present invention relates to a self-locking union or fitting adapted to be placed between two parts of a circuit to be connected, of the type comprising two end pieces adapted to be fixed to two parts of the circuit to be connected, two half-shells having internal truncated surfaces engaging complementary external truncated surfaces formed on the end pieces, to urge the latter into tight contact when the two half-shells are urged radially towards each other, wherein automatic locking means are disposed on the sides of the two half-shells, each of the half-shells being made fast with one of the end pieces by connecting means allowing a radial displacement of the half-shell with respect to the corresponding end piece, while maintaining the axis of the end piece parallel to that of the half-shell. The invention also relates to a tool particularly adapted to tighten a union or fitting of this type.

REFERENCES:
patent: 2353572 (1944-07-01), Kuster et al.
patent: 3046938 (1962-07-01), Perkins
patent: 3843168 (1974-10-01), Morrill et al.

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