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. 16, 1989
Filed:
Jun. 18, 1987
Applicant:
Inventors:
Johannes Guntermann, Essen, DE;
Donald R Macrae, Transvaal, ZA;
Assignee:
Elektro-Thermit GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432225 ; 432226 ; 432197 ;
Abstract
Aluminothermic heating blocks for use in heating metal objects, such as rails, and methods for their manufacture are disclosed. The blocks are made by setting a mass of particulate aluminum, iron oxide, heat absorbing material, alkali metal silicate binder and water.