(19)
(11) EP 0 473 609 A1

(12)

(43) Date of publication:
11.03.1992 Bulletin 1992/11

(21) Application number: 90906413.0

(22) Date of filing: 05.04.1990
(51) International Patent Classification (IPC): 
E04B 1/ 21( . )
E04C 3/ 30( . )
(86) International application number:
PCT/SE1990/000230
(87) International publication number:
WO 1990/012174 (18.10.1990 Gazette 1990/24)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL

(30) Priority: 05.04.1989 SE 19890001211

(71) Applicant: Thor, Jörgen
S-131 31 Nacka (SE)

(72) Inventor:
  • Thor, Jörgen
    S-131 31 Nacka (SE)

(74) Representative: Bjelkstam, Peter 
Radjursvägen 11
S-131 42 Nacka
S-131 42 Nacka (SE)

   


(54) IMPROVEMENTS IN OR RELATING TO COMPOSITE COLUMNS AND A METHOD OF MANUFACTURING THE SAME