(19)

(11)

EP 0 111 484 A1

(12)

(43) Date of publication: 27.06.1984 Bulletin 1984/26 (21) Application number: 82902388.0 (22) Date of filing: 07.06.1982

(51) International Patent Classification (IPC):  E04B 2/ 24( . ) E04B 2/ 02( . ) (86) International application number: PCT/US1982/000779 (87) International publication number: WO 1983/004423 (22.12.1983 Gazette 1983/29)

(84) Designated Contracting States: BE CH DE FR GB LI SE (71) Applicant: DEPKA, Charles William Carlsbad, CA 92008 (US)	(72) Inventor: DEPKA, Charles William Carlsbad, CA 92008 (US)