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:
Dec. 27, 2022
Filed:
Oct. 08, 2018
Moulding assembly for aluminothermic welding of rails and method for aluminothermic welding of rails
Applicant:
Pandrol, Raismes, FR;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B22D 19/04 (2006.01); B23K 23/00 (2006.01); B23K 101/26 (2006.01); B22D 19/00 (2006.01); B22D 27/04 (2006.01); E01B 11/52 (2006.01);
U.S. Cl.
CPC ...
B23K 23/00 (2013.01); B22D 19/04 (2013.01); B22D 19/0081 (2013.01); B22D 27/04 (2013.01); B23K 2101/26 (2018.08); E01B 11/52 (2013.01);
Abstract
A moulding assembly for aluminothermic welding of metal rails includes at least one mould part configured to come into contact with at least one other mould part and rails to be welded to form a mould cavity in which the ends of the metal rails to be welded are arranged and into which a molten metal is cast to weld the metal rails, wherein each mould part comprises includes a seating configured to be placed in contact least one of the rails, the seating including a groove into which a sealing product made of intumescent material is applied.