(19)

(11)

EP 0 072 839 A1

(12)

(43) Date of publication: 02.03.1983 Bulletin 1983/09 (21) Application number: 82900656.0 (22) Date of filing: 19.02.1982

(51) International Patent Classification (IPC):  E04B 1/ 343( . ) E04B 2/ 72( . ) E04H 1/ 02( . ) E04H 3/ 00( . ) E04B 1/ 02( . ) E04B 2/ 74( . ) E04H 1/ 14( . ) (86) International application number: PCT/HU1982/000004 (87) International publication number: WO 1982/002915 (02.09.1982 Gazette 1982/21)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 19.02.1981 HU 19810000402 (71) Applicant: "ERDERT" ERDOGAZDASAGI ES FAIPARI TERMEKEKET ERTEKESITO ES FELDOLGOZO VALLALAT H-1871 Budapest V. (HU)	(72) Inventors: DOBOS, István H-1165 Budapest (HU) KOVACS, Gyula H-1157 Budapest (HU) SZANTO, Vilmos H-1116 Budapest (HU) VAMOS, Károly H-1032 Budapest (HU) (74) Representative: Patentanwälte Viering, Jentschura & Partner  Postfach 22 14 43 D-80504 München D-80504 München (DE)