Stock material or miscellaneous articles – All metal or with adjacent metals – Having variation in thickness
Reexamination Certificate
2005-07-12
2005-07-12
Zimmerman, John J. (Department: 1775)
Stock material or miscellaneous articles
All metal or with adjacent metals
Having variation in thickness
C428S606000, C428S608000, C428S293100, C083S875000, C228S190000
Reexamination Certificate
active
06916550
ABSTRACT:
A method for mechanically cutting a continuous circular shaped groove in a foil sheet for use in a metal matrix composite product. In one form the foil sheet is held adjacent a rotating machine tool by vacuum and a cutting tool is moved relative thereto to cut a spiral groove.
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Dundas Jason E.
King Brian P.
Light Preston E.
Ress, Jr. Robert A.
Allison Advanced Development Company
Barnes & Thornburg
Zimmerman John J.
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