Quick connect-disconnect coupling for blast furnace tap hole dri

Details Quick connect-disconnect coupling for blast furnace tap hole dri Quick connect-disconnect coupling for blast furnace tap hole dri

1990-04-04

1991-06-04

Kastler, S.

Metallurgical apparatus

Means sealing or opening aperture in vessel

408226, C21C 548

Patent

active

050207806

ABSTRACT:
The component parts of a drill rod assembly on a blast furnace tap hole drill are joined together by providing a coupling having at least one extension with frusto-conical side walls adapted to mate with a socket having frusto-conical side walls within the drill rod component to be connected thereto, or in the alternative, incorporating such a coupling as a portion of one of the component parts.

REFERENCES:
patent: 3618926 (1971-11-01), Bernat
patent: 4273202 (1981-06-01), Phillips et al.
patent: 4293253 (1981-10-01), Ott

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