(19)
(11) EP 1 015 170 A1

(12)

(43) Date of publication:
05.07.2000 Bulletin 2000/27

(21) Application number: 98922821.8

(22) Date of filing: 25.05.1998
(51) International Patent Classification (IPC)7: B23K 37/06
(86) International application number:
PCT/FI9800/435
(87) International publication number:
WO 9856/536 (17.12.1998 Gazette 1998/50)
(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 26.05.1997 FI 972224

(71) Applicants:
  • Jernström, Petteri
    53600 Lappeenranta (FI)
  • Heikkinen, Antti
    53850 Lappeenranta (FI)
  • Korhonen, Aarne
    54710 Lemi (FI)

(72) Inventors:
  • Jernström, Petteri
    53600 Lappeenranta (FI)
  • Heikkinen, Antti
    53850 Lappeenranta (FI)
  • Korhonen, Aarne
    54710 Lemi (FI)

(74) Representative: Tanskanen, Jarmo Tapio et al
Papula Rein Lahtela Oy,P.O. Box 981
00101 Helsinki
00101 Helsinki (FI)

   


(54) WELDING APPARATUS