Patent ID: 9190654
Filing Date: 2015-11-17
Classification: B22D,H01M,Y02E,Y10T

Abstract:
1. A method of making a battery part, the method comprising: casting a battery part having an annular acid ring extending around an exterior portion thereof, wherein the acid ring includes a first lip spaced apart from a second lip; positioning the battery part between a first forming member and a second forming member; driving the first forming member in a first axial direction against a first portion of the acid ring; and while driving the first forming member toward the first portion of the acid ring, driving the second forming member in a second axial direction opposite the first axial direction against a second portion of the acid ring opposite the first portion of the acid ring to shape the acid ring, wherein driving the first forming member in the first axial direction and the second forming member in the second axial direction includes flaring the first and second lips outwardly and away from each other.