(19)

(11)

EP 0 094 961 A1

(12)

(43) Date of publication: 30.11.1983 Bulletin 1983/48 (21) Application number: 83900149.0 (22) Date of filing: 22.11.1982

(51) International Patent Classification (IPC):  B22F 1/ 00( . ) C23C 4/ 06( . ) C22C 29/ 06( . ) (86) International application number: PCT/US1982/001653 (87) International publication number: WO 1983/001917 (09.06.1983 Gazette 1983/14)

(84) Designated Contracting States: BE DE FR GB NL SE (30) Priority: 27.11.1981 US 19810325416 (71) Applicant: GTE PRODUCTS CORPORATION Stamford, CT 06904 (US)	(72) Inventors: HOUCK, David L. Towanda, PA 18848 (US) CHENEY, Richard F. Sayre, PA 18840 (US)