Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic
Reexamination Certificate
2005-01-14
2010-11-02
Look, Edward (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Coating, specific composition or characteristic
C415S173400, C206S110000, C427S578000, C427S576000, C427S577000, C427S580000, C219S069170, C219S076130, C029S889700
Reexamination Certificate
active
07824159
ABSTRACT:
What disclosed is to form an abrasive coating having abrasiveness at a blade pressure side of a deposition layer using a second electrode composed of a second molded body molded from a mixed powder including a powder of a metal and a powder of a ceramic or the second electrode processed with a heat treatment, generating pulsing electric discharges between the blade pressure side of the deposition layer and the second electrode in an electrically insulating liquid or gas, and welding a material of the second electrode or a reacting substance of the material of the second electrode on the blade pressure side of the deposition layer by means of energy of the electric discharges.
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Akiyoshi Masao
Goto Akihiro
Ochiai Hiroyuki
Watanabe Mitsutoshi
Ellis Ryan H
Ishikawajima-Harima Heavy Industries Co. Ltd.
Look Edward
Mitsubishi Denki & Kabushiki Kaisha
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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