| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection nozzle capable of efficiently injecting an electrolyte into a battery tub in a short period of time, and also to provide an injection method using it. SOLUTION: This electrolyte injection nozzle is provided with: a hollow-cylinder part wherein an internal cross-section is circle and a base end part is connected with an electrolyte feeding device; a nozzle part connected with the hollow-cylinder part, extended in a tapered shape and formed to be thinner as going to the tip which is connected with an electrolyte injection hole of the battery tub; and a cylinder member fitted with circumferential surface 3a contacted with the hollow-cylinder part and wherein a plurality of groove parts 3b communicating between an upper surface 3c and an undersurface 3d are diagonally carved in the circumferential surface 3a. COPYRIGHT: (C)2007,JPO&INPIT
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