(19)

(11)

EP 0 511 279 A1

(12)

(43) Date of publication: 04.11.1992 Bulletin 1992/45 (21) Application number: 91903046.0 (22) Date of filing: 09.01.1991

(51) International Patent Classification (IPC):  E04B 9/ 04( . ) E04F 13/ 12( . ) E04D 3/ 365( . ) (86) International application number: PCT/DK1991/000005 (87) International publication number: WO 1991/010787 (25.07.1991 Gazette 1991/17)

(84) Designated Contracting States: BE DE ES FR GB GR IT NL SE (30) Priority: 15.01.1990 DK 19900000120 (71) Applicant: DAMPA A/S DK-5690 Tommerup (DK)	(72) Inventors: KNUDSEN, Kaj, Verner DK-5260 Odense S (DK) FROMMER, Glenn DK-5690 Tommerup (DK) DYRVING, Niels DK-5690 Tommerup (DK) JoRGENSEN, Ejner DK-5000 Odense C (DK) THOMSEN, Per, M rsk DK-5250 Odense SV (DK) (74) Representative: Lomholt, Lars A. (DK), et al  Moellevej 26 DK-2970 Hoersholm DK-2970 Hoersholm (DK)