The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 14, 1984

Filed:

Jul. 01, 1983
Applicant:
Inventors:

Alfred Kryczun, Cologne, DE;

Rolf Pufal, Cologne, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266226 ; 266270 ;
Abstract

The present invention deals with a blow lance which projects into a reactor to an adjustable vertical extent. The lance structure includes a tubular lance member and a bellows surrounding the tubular lance and being expansible in the axial direction, the bellows having its lower end coupled to a lower portion of the lance and its upper end received about an upper portion of the tubular lance. The preferred structure includes a protective sleeve which surrounds a lower portion of the lance and extends into the opening of the reactor, with means being provided for circulating a coolant therethrough.


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