(19)

(11)

EP 0 248 850 A1

(12)

(43) Date of publication: 16.12.1987 Bulletin 1987/51 (21) Application number: 87900033.0 (22) Date of filing: 02.12.1986

(51) International Patent Classification (IPC):  G01F 23/ 74( . ) (86) International application number: PCT/BR1986/000023 (87) International publication number: WO 1987/003680 (18.06.1987 Gazette 1987/13)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 03.12.1985 BR 19850006220 (71) Applicants: SANTOS TORRES, Gaspar Dos Bairro Jardim Leonor, Sao Paulo, SP (BR) SILVA ELIAS, Joaquim Da Bairro Serra da Cantareira Sao Paulo, SP (BR)	(72) Inventors: SANTOS TORRES, Gaspar Dos Bairro Jardim Leonor, Sao Paulo, SP (BR) SILVA ELIAS, Joaquim Da Bairro Serra da Cantareira Sao Paulo, SP (BR)