(19)

(11)

EP 0 089 952 A1

(12)

(43) Date of publication: 05.10.1983 Bulletin 1983/40 (21) Application number: 81902883.0 (22) Date of filing: 02.10.1981

(51) International Patent Classification (IPC):  E03C 1/ 084( . ) (86) International application number: PCT/US1981/001341 (87) International publication number: WO 1983/001266 (14.04.1983 Gazette 1983/09)

(84) Designated Contracting States: FR (71) Applicant: Aghnides, Elie P. New York, N.Y. 10021 (US)	(72) Inventor: Aghnides, Elie P. New York, N.Y. 10021 (US)