Coupling for inserting a soaking bar into a blast furnace tap ho

Joints and connections – Distinct end coupler – Continuous thread

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Details

403301, 403307, 403327, 403328, 279 231, 279 467, 279906, F16B 214

Patent

active

061526436

ABSTRACT:
A coupling device for use in inserting a soaking bar into a clay plugged blast furnace tap hole with a rotary percussion tool, having a first axial aperture at a first end adapted to be fitted onto a driving post of a rotary percussion tool, and having a second axial aperture at a second end adapted to receive and retain an end of a soaking bar in axial alignment with the coupling. The second axial aperture further includes jaws for releasably engaging the end of the soaking bar, and an impact body for transferring axial impact loads from the rotary impact tool to the end of the soaking bar.

REFERENCES:
patent: 859976 (1907-07-01), Procunier
patent: 2397025 (1946-03-01), MacBlane
patent: 2591287 (1952-04-01), Pellar et al.
patent: 2652273 (1953-09-01), Davis
patent: 2657933 (1953-11-01), Stuebner
patent: 3078112 (1963-02-01), Mathey
patent: 3446509 (1969-05-01), Colosimo
patent: 4111587 (1978-09-01), Hatanaka
patent: 4463960 (1984-08-01), Walton
patent: 5067844 (1991-11-01), Bowmer et al.
patent: 5081811 (1992-01-01), Sasaki

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