(19)

(11)

EP 0 093 735 A1

(12)

(43) Date of publication: 16.11.1983 Bulletin 1983/46 (21) Application number: 82903240.0 (22) Date of filing: 15.11.1982

(51) International Patent Classification (IPC):  E04B 1/ 343( . ) E04B 1/ 35( . ) E04B 2/ 70( . ) (86) International application number: PCT/EP1982/000247 (87) International publication number: WO 1983/001802 (26.05.1983 Gazette 1983/13)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU SE (30) Priority: 19.11.1981 NL 19810005234 (71) Applicant: TEBBE, Robert Wilhelmus Johannes Maria NL-4837 CH Breda (NL)	(72) Inventor: TEBBE, Robert Wilhelmus Johannes Maria NL-4837 CH Breda (NL) (74) Representative: Siemens, Andreas Meinhard Ernest, Dipl.-Ing.  Roskam 8 NL-4813 GZ Breda NL-4813 GZ Breda (NL)