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:
May. 17, 1977
Filed:
Sep. 16, 1975
Applicant:
Inventors:
Edouard Legille, Luxembourg, LU;
Rene N Mahr, Howald-Hesperange, LU;
Assignee:
S.A. des Anciens Etablissements Paul Wurth, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 41 ; 1101825 ; 285 55 ; 285114 ; 285226 ;
Abstract
Segmented conduits for transmitting heated fluid, and particularly tuyere feed lines for injecting preheated air into shaft furnaces, have an annular cooling chamber incorporated into the coupling joints between conduit sections. The cooling chambers are positioned inwardly toward the conduit axis with respect to flexible bellows devices which heremetically seal the articulated coupling joints.
Legille, Edouard. (1977). Apparatus for the transmission of heated fluid (U.S. Patent No. 4023832). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4023832
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile