(19)
(11) EP 1 980 641 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
26.12.2012 Bulletin 2012/52

(45) Mention of the grant of the patent:
19.09.2012 Bulletin 2012/38

(21) Application number: 08006673.1

(22) Date of filing: 01.04.2008
(51) International Patent Classification (IPC): 
C23C 8/20(2006.01)
 C23C 8/22(2006.01)

(54)

Method and measurement system for the control of an active charge surface in the low pressure carburizing process

Verfahren und Messungssystem zur Steuerung einer aktiven Flächenladung im Niederdruck-Aufkohlungsverfahren

Procédé et système de mesure pour le contrôle d'une surface à charge active dans le procédé de cémentation basse pression

(84) Designated Contracting States:
DE ES FR IT

(30) Priority: 02.04.2007 PL 38211807

(43) Date of publication of application:
15.10.2008 Bulletin 2008/42

(73) Proprietors:
  • SECO/WARWICK S.A.
    66-200 Swiebodzin (PL)
  • Politechnika Lódzka
    90-924 Lódz (PL)

(72) Inventors:
  • Kula Piotr, Prof.
    91-469 Lódz (PL)
  • Olejnek Józef, Ing.
    66-200 Swiebodzin (PL)

(74) Representative: Passowicz, Marek 
ul. Mielzynskiego 27/29
61-725 Poznan
61-725 Poznan (PL)


(56) References cited: : 
DE-A1- 10 242 616
 US-A- 4 719 073
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).