Coating processes – Restoring or repairing – Metal article
Reexamination Certificate
2007-02-06
2007-02-06
Meeks, Timothy (Department: 1762)
Coating processes
Restoring or repairing
Metal article
C427S307000, C427S419200, C427S421100
Reexamination Certificate
active
10733269
ABSTRACT:
The present invention relates to a method of repairing a Ni-based alloy part having an undercoat layer and a topcoat layer stacked on a Ni-based alloy base when the topcoat layer is damaged, comprising the steps of removing a peeled-off portion of the damaged topcoat layer and a denatured portion of the undercoat layer corresponding to the peeled-off portion, forming another undercoat layer by applying spraying to an opening portion of the undercoat layer in the atmosphere at a spray particle speed of 300 m/s or more and a base-material temperature of 300° C. or less, and forming another topcoat layer in the peeled-off portion of the topcoat layer
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Techno consultants Inc, Japan Thermal Spraying Society, pp. 337-339 and 357-360, “Handbook of Japan Thermal Spraying”, Mar. 31, 1986.
Edited by Japan Thermal Sprayinng Society, “Yosha Gijutsu Handbook”, Shin Gijutsu Kaihatsu Center, May 30, 1998, p. 139, tables 3, 6.
Aoki Sunao
Ohara Minoru
Okada Ikuo
Takahashi Kouji
Torigoe Taiji
Meeks Timothy
Mitsubishi Heavy Industries Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Turocy David
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