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EP 0 904 430 A1

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(43) Date of publication: 31.03.1999 Bulletin 1999/13 (21) Application number: 97931043.0 (22) Date of filing: 04.06.1997

(51) International Patent Classification (IPC):  B22D 33/ 00( . ) C30B 11/ 00( . ) B22D 27/ 04( . ) C30B 29/ 52( . ) (86) International application number: PCT/US1997/009716 (87) International publication number: WO 1997/046742 (11.12.1997 Gazette 1998/01)

(84) Designated Contracting States: CH DE FR GB IT LI NL SE (30) Priority: 05.06.1996 RU 19960111520 19.03.1997 RU 19970104513 (71) Applicants: GENERAL ELECTRIC COMPANY Schenectady, NY 12345 (US) All-Russian Scientific Research Institute of Aviation Materials 107005 Moscou (RU)

(72) Inventors: KABLOV, Yegeny Nikolaevich Moscow, 101000 (RU) GERASIMOV, Viktor Vladimirovich Budennogo Prospect Moscow, 105225 (RU) NEKRASOV, Vladimir Il'itch 18 Spartakovskaya Street Moscow, 107066 (RU) SHALIMOV, Aleksey Sergeyeich Zheleznodorozhnuy Moscow Region, 143980 (RU) DEMONIS, Joseph Markovich Moscow, 103064 (RU) VISIK, Yelena Mikhailovna Moscow, 121471 (RU) VOROBYOVA, Yelena Viktorovna Moscow, 105094 (RU) (74) Representative: Goode, Ian Roy  London Patent Operation General Electric International, Inc. Essex House 12-13 Essex Street London WC2R 3AA London WC2R 3AA (GB)