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.
Patent No.:
Date of Patent:
Sep. 22, 1981
Filed:
Mar. 14, 1980
Applicant:
Inventors:
Ernst Luhrsen, Bad Schwalbach, DE;
Heinz Schermer, Eltville, DE;
Assignee:
Didier-Werke AG., Wiesbaden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266236 ; 138114 ; 164437 ; 222594 ; 222606 ; 285302 ;
Abstract
A refractory teeming pipe for use at the outlet of a melt container includes a refractory inner pipe member adapted to be connected to the outlet of a melt container, and a refractory outer pipe member telescopically slidably mounted about the inner pipe member for axial movement relative thereto between an upper retracted position and a lower extended position. The inner and outer pipe members include respective outer metal jackets. An upper refractory seal is supported by the outer pipe member and grips against the inner pipe member.