Device for coupling a blowing lance to a collector

Details Device for coupling a blowing lance to a collector Device for coupling a blowing lance to a collector

1999-02-23

2000-07-11

Kastler, Scott

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

266226, C21C 532

Patent

active

06086818&

ABSTRACT:
A device for coupling a blow lance with a header is disclosed, in which the force required for producing a sealing joint between the header (2) and the lance (4) is exerted by a cooling fluid and/or a blowing fluid. In a preferred embodiment, said cooling fluid and/or blowing fluid acts via a pressure surface (32) on the joint between the header (2) and the lance (4), the pressure surface being integral with a piston (22) which transmits the pressure to said joint. The lance has preferably a first coupling surface (12), while the header (2) has a second coupling surface (14), and one of said coupling surfaces (12 or 14) is integral with said piston (22).

REFERENCES:
patent: 3972515 (1976-08-01), Mercatoris
patent: 4083540 (1978-04-01), Berry et al.
patent: 5037069 (1991-08-01), Stomp et al.
patent: 5167904 (1992-12-01), Stomp et al.
patent: 5301928 (1994-04-01), Stomp et al.
English language version of French International Preliminary Examination Report dated May 27, 1998.
WO 98/08983 (Cover Sheet Only) Dec. 1998.

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