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:
Feb. 05, 2019
Filed:
Dec. 09, 2016
Applicant:
Ald Vacuum Technologies Gmbh, Hanau, DE;
Inventors:
Volker Heuer, Frankfurt, DE;
Klaus Löser, Mainhausen, DE;
Gunther Schmitt, Hanau, DE;
Gerhard Welzig, Frankfurt, DE;
Assignee:
ALD Vacuum Technologies GmbH, Hanau, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 8/22 (2006.01); C21D 1/06 (2006.01); C23C 8/02 (2006.01); C23C 8/20 (2006.01); C23C 8/80 (2006.01);
U.S. Cl.
CPC ...
C23C 8/22 (2013.01); C21D 1/06 (2013.01); C23C 8/02 (2013.01); C23C 8/20 (2013.01); C23C 8/80 (2013.01);
Abstract
The invention relates to a method and device for thermally treating workpieces, the device including a cooling chamber and two or more carburizing or heating chambers in which the workpieces are heated to a temperature of 950 to 1200° C. by means of radiation, such as direct heat radiation from a heating device.