(19)

(11)

EP 0 179 090 A1

(12)

(43) Date of publication: 30.04.1986 Bulletin 1986/18 (21) Application number: 85901764.0 (22) Date of filing: 15.03.1985

(51) International Patent Classification (IPC):  E04B 1/ 19( . ) F16B 7/ 22( . ) E04H 12/ 10( . ) E04C 3/ 04( . ) (86) International application number: PCT/US1985/000436 (87) International publication number: WO 1985/004222 (26.09.1985 Gazette 1985/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 16.03.1984 US 19840590738 (71) Applicant: INTERLOCK STRUCTURES INTERNATIONAL, INC. Minneapolis, MN 55428 (US)	(72) Inventor: LANGE, Fredric, A. Osseo, MN 55369 (US) (74) Representative: Ström, Tore, et al  Ström & Gulliksson AB Studentgatan 1 P.O. Box 4188 S-203 13 Malmö S-203 13 Malmö (SE)