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. 15, 2015
Filed:
Aug. 05, 2010
Applicants:
Peter C. Williams, Cleveland Heights, OH (US);
Sunniva R. Collins, Cleveland Heights, OH (US);
Steven V. Marx, University Heights, OH (US);
Inventors:
Peter C. Williams, Cleveland Heights, OH (US);
Sunniva R. Collins, Cleveland Heights, OH (US);
Steven V. Marx, University Heights, OH (US);
Assignee:
Swagelok Company, Solon, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/22 (2006.01); C23C 8/20 (2006.01);
U.S. Cl.
CPC ...
C23C 8/20 (2013.01); C23C 8/22 (2013.01);
Abstract
Low temperature carburization of stainless steel using acetylene as the carburizing specie is carried out under soft vacuum conditions in the presence of hydrogen or other companion gas. As a result, formation of soot and the undesirable thermal oxide film that normally occurs during low temperature carburization is eliminated virtually completely.