(19)

(11)

EP 0 056 020 A1

(12)

(43) Date of publication: 21.07.1982 Bulletin 1982/29 (21) Application number: 80900687.0 (22) Date of filing: 09.04.1980

(51) International Patent Classification (IPC):  B28B 5/ 02( . ) B28B 15/ 00( . ) B28B 11/ 24( . ) (86) International application number: PCT/SE1980/000101 (87) International publication number: WO 1981/002865 (15.10.1981 Gazette 1981/24)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL (71) Applicant: A-BETONG AB/SABEMA MATERIAL AB S-351 03 Växjö (SE)	(72) Inventors: BONDPERS, Per-Eric S-352 46 Växjö (SE) INGESSON, Per Inge S-552 67 Jönköping (SE) (74) Representative: Wennborg, Göte, et al  Kransell & Wennborg AB Box 27834 S-115 93 Stockholm S-115 93 Stockholm (SE)