Pressure-tight plug coupling

Details Pressure-tight plug coupling Pressure-tight plug coupling

1986-05-14

1988-01-05

Recla, Henry J.

Pipes and tubular conduits

With closures and plugs

Inflatable

13761406, 285102, F16L 3728

Patent

active

047169389

ABSTRACT:
A plug coupling for providing a pressure-sealed connection to a device provided with a connecting member comprising a cylindrical housing; a piston shiftable within the housing clamping jaws connected to the piston and concentrially arranged around the longitudinal axis of the housing and radially displaceable by means of a ramp arrangement by an axial movement of the piston relative to the housing; pressure is applied to said piston for moving it in longitudinal direction of the housing thereby pressing the clamping jaws radially inwards or outwards by means of said ramp arrangement. The free ends of the clamping jaws are moved into an engaging position for engagement with said connecting member.

REFERENCES:
patent: 1995377 (1935-03-01), Creveling
patent: 3757836 (1973-09-01), Masuda
patent: 3978892 (1976-09-01), Scodino
patent: 4394874 (1983-07-01), Walter
patent: 4530485 (1985-07-01), Yonker et al.
patent: 4543995 (1985-10-01), Weh et al.

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