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:
Oct. 20, 2015
Filed:
Oct. 14, 2011
Applicants:
Jean-jacques Thuru, St. Amand les Eaux, FR;
Jean-pierre Colliaut, Raismes, FR;
Lionel Winiar, Ronchin, FR;
Inventors:
Jean-Jacques Thuru, St. Amand les Eaux, FR;
Lionel Winiar, Ronchin, FR;
Assignee:
RAILTECH INTERNATIONAL, Raismes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B 11/52 (2006.01); E01B 29/44 (2006.01); B23K 23/00 (2006.01); B22C 9/22 (2006.01); B22D 19/04 (2006.01); B22D 19/16 (2006.01);
U.S. Cl.
CPC ...
E01B 11/52 (2013.01); B23K 23/00 (2013.01); E01B 29/44 (2013.01); B22C 9/22 (2013.01); B22D 19/04 (2013.01); B22D 19/16 (2013.01); B23K 2201/26 (2013.01);
Abstract
The invention concerns a method for the aluminothermic welding of rails, comprising the steps of: The invention also concerns a mold () adapted to fit over the two rail ends to form a molding cavity (), comprising a crucible () arranged above the region of the rail head so that it is fed with molten metal from the molding cavity () via a secondary channel ().