(19)

(11)

EP 0 039 692 A1

(12)

(43) Date of publication: 18.11.1981 Bulletin 1981/46 (21) Application number: 80902044.0 (22) Date of filing: 10.11.1980

(51) International Patent Classification (IPC):  F03B 17/ 02( . ) (86) International application number: PCT/BR1980/000012 (87) International publication number: WO 1981/001442 (28.05.1981 Gazette 1981/13)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 09.11.1979 BR 19790007300 16.05.1980 BR 19800003065 27.10.1980 BR 19800006899 (71) Applicant: MENDONCA, Virgilio Antônio, De Travessa Wenceslau Braz Sao Paulo-SP-CEP 15100 (BR)	(72) Inventor: MENDONCA, Virgilio Antônio, De Travessa Wenceslau Braz Sao Paulo-SP-CEP 15100 (BR)