Title:
PRISMATIC ACCUMULATOR ELEMENT AND METHOD FOR FABRICATING SAME
Document Type and Number:
WIPO Patent Application WO/2014/068641
Kind Code:
A1
Abstract:
An injection hole (111) is closed off with a sealing member (130) and a hermetic plug (120). An outer diameter d2 of a flange-shaped part (132) of the sealing member (130) which is inserted in the injection hole (111) is smaller than a diameter d1 of the injection hole (111). The hermetic plug (120), comprising a cylindrical part (121) which has an outer diameter d4 which is greater than a diameter d5 of a hollow part (135) of the sealing member (130), is fitted in the hollow part (135). Accordingly, a cylindrical-shaped part (131) of the sealing member (130) is pressed into, and compressed in, a peripheral edge part lateral face of the injection hole (111) of a battery lid (102), by an outer circumference face of the cylindrical part (121) of the hermetic plug (120). In such a state, the outer circumference of a flange part (122) of the hermetic plug (120) is welded to the battery lid (102).
Inventors:
SAWADA KEISUKE (JP)
KAJIWARA KOUICHI (JP)
EGAWA HIROAKI (JP)
KOGUCHI HAYATO (JP)
KAJIWARA KOUICHI (JP)
EGAWA HIROAKI (JP)
KOGUCHI HAYATO (JP)
Application Number:
PCT/JP2012/077905
Publication Date:
May 08, 2014
Filing Date:
October 29, 2012
Export Citation:
Assignee:
HITACHI VEHICLE ENERGY LTD (JP)
International Classes:
H01M50/645
Foreign References:
| JP2011210690A | 2011-10-20 | |||
| JP2002298832A | 2002-10-11 | |||
| JP2011210691A | 2011-10-20 | |||
| JP2009087659A | 2009-04-23 | |||
| JPS395535Y | ||||
| JP2000106156A | 2000-04-11 | |||
| JP2001256965A | 2001-09-21 |
Attorney, Agent or Firm:
NAGAI, Fuyuki (JP)
Fuyuki Nagai (JP)
Fuyuki Nagai (JP)
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