CA2043872CCA 2043872CA2043872ACA2043872CCA 2043872 CCA2043872 CCA 2043872CCA 2043872 CA2043872 CA 2043872CA 2043872 ACA2043872 ACA 2043872ACA 2043872 CCA2043872 CCA 2043872C
Authority
CA
Canada
Prior art keywords
gas
nitriding
fluoriding
steel
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Water Inc
Original Assignee
Daido Sanso Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daido Sanso Co LtdfiledCriticalDaido Sanso Co Ltd
Priority to CA 2043872priorityCriticalpatent/CA2043872C/fr
Publication of CA2043872A1publicationCriticalpatent/CA2043872A1/fr
Application grantedgrantedCritical
Publication of CA2043872CpublicationCriticalpatent/CA2043872C/fr