B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 27/10 (2006.01) B23P 25/00 (2006.01) C21D 9/00 (2006.01)
Patent
CA 2501200
A method and apparatus for improving the surface finish and/or surface integrity of a workpiece formed or shaped with a tool increase the surface hardness of the workpiece during forming or shaping of the workpiece. A method and apparatus for forming or shaping a workpiece also increase the surface hardness of the workpiece during forming or shaping of the workpiece with a tool, as do a method and apparatus for manufacturing a finished part or product from a workpiece. In some embodiments, an expanding jet of cryogen may be jetted to a surface of a workpiece and a tool from a nozzle, wherein the cryogen is at least partially separated into a condensed phase portion and a vapor portion within a downstream portion of the nozzle.
Frey John Herbert
Ghosh Ranajit
Grimm Lance Michael
Zurecki Zbigniew
Air Products And Chemicals Inc.
Mcfadden Fincham
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