Patent Number: 6,248,138

Title: Activation and sealing of storage batteries

Abstract: An apparatus and method for activating and sealing a storage battery in anuncontrolled atmosphere. A tubular structure is coupled to a fill port ofthe battery, the battery is evacuated by connecting the tubular structureto a source of vacuum, and the battery is thereafter filled by connectingthe tubular structure to a source of pressurized electrolytic fluid. Afterthe battery has been evacuated and filled, a check valve, slideablypositioned in the passage through which the battery has been evacuated andthereafter filled is driven along the passage into a press fit with avalve seat defined proximate the fill port of the battery to seal thebattery from contaminants while allowing escape of gas from the interiorof the battery housing.

Inventors: Lafave; Richard (Santa Fe, NM), Rogers; Marc W. (Las Vegas, NV), Lasley; Bruce Everett (Fishers, IN)


International Classification: H01M 2/36 (20060101); H01M 2/30 (20060101); H01M 2/06 (20060101); H01M 2/00 (20060101); H01M 006/00 ()

Expiration Date: 06/12013