Method and apparatus for the coaxial connection of a coupler and

Details Method and apparatus for the coaxial connection of a coupler and Method and apparatus for the coaxial connection of a coupler and

1997-11-21

2000-06-06

Gorski, Joseph M.

Metal working

Means to assemble or disassemble

By deforming

29282, 7237002, B21D 3904

Patent

active

060703148

ABSTRACT:
A device for coaxially connecting a coupler to a reinforcement bar including a threaded joint tool for the attachment of the coupler by the threaded portion of the coupler, a hollow double action jack body, and an extrusion tool. The extrusion tool is translatable along the axis of the coupler so as to allow for regular deformation of the material of the coupler in order to induce the connection on a reinforcement bar. A counter-pressure device is provided on the coupler so as to exert a force on the coupler in an opposite direction to that which is applied by the extrusion tool. The counter-pressure device serves to induce the connection of the coupler on the reinforcement bar by automatically controlling the elongation of the material of the coupler induced by the force of the extrusion.

REFERENCES:
patent: 2852843 (1958-09-01), Banta et al.
patent: 3545264 (1970-12-01), Bourgeois et al.
patent: 3559270 (1971-02-01), Beghi
patent: 3732715 (1973-05-01), Zamorano
patent: 3824665 (1974-07-01), Saito
patent: 5315755 (1994-05-01), Fulbright et al.

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