(19)
(11) EP 0 573 505 A1

(12)

(43) Date of publication:
15.12.1993 Bulletin 1993/50

(21) Application number: 92905585.0

(22) Date of filing: 20.02.1992
(51) International Patent Classification (IPC): 
E02D 5/ 52( . )
(86) International application number:
PCT/NO1992/000031
(87) International publication number:
WO 1992/014885 (03.09.1992 Gazette 1992/23)
(84) Designated Contracting States:
DE DK GB NL SE

(30) Priority: 21.02.1991 NO 19910000688

(71) Applicants:
  • FREDRIKSEN, Arnfinn
    N-3039 Drammen (NO)
  • HALDORSEN, Rolf
    N-3320 Vestfossen (NO)
  • ROSFJORD, Björn
    N-3000 Drammen (NO)
  • HANSEN, Wilhelm, Otto
    N-3040 Drammen (NO)

(72) Inventors:
  • FREDRIKSEN, Arnfinn
    N-3039 Drammen (NO)
  • HALDORSEN, Rolf
    N-3320 Vestfossen (NO)
  • ROSFJORD, Björn
    N-3000 Drammen (NO)
  • HANSEN, Wilhelm, Otto
    N-3040 Drammen (NO)

(74) Representative: Patentanwälte Wenzel & Kalkoff 
Postfach 24 48
D-58414 Witten
D-58414 Witten (DE)

   


(54) SELF-INTERLOCKING MEANS FOR END TO END JOINTING OF ELONGATED CONCRETE ELEMENTS, ESPECIALLY OF CONCRETE PILES