(19)
(11) EP 2 584 334 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:
23.10.2019 Bulletin 2019/43

(45) Mention of the grant of the patent:
18.09.2019 Bulletin 2019/38

(21) Application number: 11795782.9

(22) Date of filing: 15.06.2011
(51) International Patent Classification (IPC): 
G01M 3/32(2006.01)
H01M 10/48(2006.01)
H01M 10/04(2006.01)
H01M 2/02(2006.01)
 G01M 3/38(2006.01)
H01M 10/42(2006.01)
G01M 3/36(2006.01)
(86) International application number:
PCT/JP2011/063733
(87) International publication number:
WO 2011/158878 (22.12.2011 Gazette 2011/51)

(54)

AIR TIGHTNESS TEST METHOD AND AIR TIGHTNESS TEST DEVICE FOR SEALED BATTERIES

LUFTDICHTE-TESTVERFAHREN UND LUFTDICHTE-TESTVORRICHTUNG FÜR WARTUNGSFREIE BATTERIEN

PROCÉDÉ ET DISPOSITIF DE TEST D'ÉTANCHÉITÉ À L'AIR POUR ACCUMULATEURS SCELLÉS

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 17.06.2010 JP 2010138499

(43) Date of publication of application:
24.04.2013 Bulletin 2013/17

(73) Proprietor: Envision AESC Japan Ltd.
Zama-shi, Kanagawa 252-0012 (JP)

(72) Inventors:
  • YASOOKA, Takeshi
    Kanagawa 243-0123 (JP)
  • KAMIYA, Toshihiko
    Kanagawa 243-0123 (JP)
  • TAMURA, Itaru
    Kyoto 617-0833 (JP)
  • SUZUKA, Akira
    Kyoto 617-0833 (JP)
  • NODA, Shunji
    Kanagawa 252-0012 (JP)
  • TAKATSUKA, Takuya
    Kanagawa 252-0012 (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)


(56) References cited: : 
WO-A1-2009/096602
JP-A- 9 229 813
JP-A- 2004 093 208
 JP-A- 9 033 230
JP-A- 2001 004 338
US-A1- 2004 134 259
   
       
    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).