(19)
(11) EP 1 000 349 A1

(12)

(43) Date of publication:
17.05.2000 Bulletin 2000/20

(21) Application number: 97911754.6

(22) Date of filing: 21.10.1997
(51) International Patent Classification (IPC)7: G01N 27/82, G01N 17/00
(86) International application number:
PCT/US9718/695
(87) International publication number:
WO 9848/269 (29.10.1998 Gazette 1998/43)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 24.04.1997 CA 2203601

(71) Applicant: Booker, James R.
Baltimore, OH 43105 (US)

(72) Inventor:
  • Booker, James R.
    Baltimore, OH 43105 (US)

(74) Representative: Götz, Georg, Dipl.-Ing. et al
Götz, Küchler, Dameron,Patent- und Rechtsanwälte,Färberstrasse 20
90402 Nürnberg
90402 Nürnberg (DE)


(56) References cited: : 
   
       


    (54) APPARATUS AND METHOD OF DETECTING LOSS OF CROSS-SECTIONAL AREA OF MAGNETIC METALLIC STRENGTH MEMBERS USED IN CONDUCTORS SUCH AS ALUMINUM CONDUCTOR STEEL REINFORCED ("ACSR") CONDUCTORS