(19)

(11)

EP 0 116 562 A1

(12)

(43) Date of publication: 29.08.1984 Bulletin 1984/35 (21) Application number: 83901802.0 (22) Date of filing: 08.06.1983

(51) International Patent Classification (IPC):  E04F 15/ 04( . ) (86) International application number: PCT/BR1983/000004 (87) International publication number: WO 1984/000785 (01.03.1984 Gazette 1984/06)

(84) Designated Contracting States: DE FR GB (30) Priority: 20.08.1982 BR 19820004970 (71) Applicant: ABRAHAMS, Jacob Curitiba-PR Cep 80000 (BR)	(72) Inventor: ABRAHAMS, Jacob Curitiba-PR Cep 80000 (BR)