Thickness different steel shell for battery

Thickness different steel shell for battery

  • CN 201,117,691 Y
  • Filed: 11/16/2007
  • Issued: 09/17/2008
  • Est. Priority Date: 11/16/2007
  • Status: Active Grant
First Claim
Patent Images

1. battery differential thickness steel casing, it is characterized in that:

  • differential thickness steel casing is the hollow cylinder that positive cartridge (1) sealing, faucal (3) enlarge and open wide, the outer surface of hollow cylinder is the face of cylinder, and the wall thickness of hollow cylinder stage casing (2) is less than the wall thickness of positive cartridge (1) and faucal (3).

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