Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2006-01-17
2006-01-17
Koehler, Robert R. (Department: 1775)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S679000, C428S926000, C148S408000, C148S425000, C148S442000, C420S435000, C420S436000, C420S437000, C420S438000, C420S439000, C420S440000, C420S580000, C420S588000
Reexamination Certificate
active
06986951
ABSTRACT:
The present invention relates to a cobalt-based alloy for the coating of organs subject to erosion by liquid comprising chromium 28–32% by weight, tungsten 6–8% by weight, silicon 0.1–2% by weight, carbon 1.2–1.7% by weight, nickel 3–6% by weight, molybdenum 1–3%, cobalt the complement to 100%. The invention also relates to an application method of the alloy on organs subject to erosion by liquid, in particular vapour turbine blades, to reduce the metal erosion rate following impact with liquids.
REFERENCES:
patent: 11336502 (1999-12-01), None
“Material Safety Data Sheet—Stellite Tips”, Deloro Stellite Inc., Belleville, Ontario, Canada; Prepared by L. L. Palmateer—Quality Manager; 6 sheets; Jan., 1998; Internet site—http://www.armstrongblue.com/Publications/msds—stellite—tips.htm.
Koehler Robert R.
Nixon & Vanderhye
Nuovo Pignone Holdings S.p.A.
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