(19)
(11) EP 0 609 365 A1

(12)

(43) Date of publication:
10.08.1994 Bulletin 1994/32

(21) Application number: 92922753.0

(22) Date of filing: 21.10.1992
(51) International Patent Classification (IPC): 
C04B 14/ 02( . )
C04B 18/ 14( . )
C04B 18/ 20( . )
C04B 28/ 04( . )
C04B 7/ 00( . )
C04B 18/ 16( . )
C04B 20/ 00( . )
C04B 38/ 08( . )
(86) International application number:
PCT/SE1992/000734
(87) International publication number:
WO 1993/008135 (29.04.1993 Gazette 1993/11)
(84) Designated Contracting States:
BE DE ES GR IT SE

(30) Priority: 22.10.1991 SE 19910003075

(71) Applicant: DELCON AB CONCRETE DEVELOPMENT
S-421 05 Västra Frölunda (SE)

(72) Inventors:
  • BERNTSSON, Leif
    S-416 52 Göteborg (SE)
  • HEDBERG, Bengt
    S-413 22 Göteborg (SE)

(74) Representative: Roth, Ernst Adolf Michael, et al 
GÖTEBORGS PATENTBYRA AB Box 5005
S-402 21 Göteborg
S-402 21 Göteborg (SE)

   


(54) A METHOD FOR PRODUCTION OF CONCRETE, LIGHT BALLAST CONCRETE OR MORTAR, HAVING HEAT INSULATING PROPERTIES, AND USE THEREOF