Patent ID: 8919166
Filing Date: 2014-12-30
Classification: B21B,B21D,B21H,B21K,F16H,Y10T

Abstract:
1. A method of forming a housing assembly, comprising the steps of: providing a tube defining an annular wall; roll forming said annular wall of said tube radially inwardly with a plurality of rollers toward said longitudinal axis of said annular wall at spaced locations along said tube thereby converting said tube to a plurality of interconnected preforms having contours of varying diameter being complementary to a plurality of said housings while maintaining open ends in said perform defined by said tube; separating each said preform from said tube then receiving a mandrel in one of said open ends of each of said preforms and cold working said contours defined by said preform into a desired shape of said housing on the mandrel, and using said mandrel to deform a portion of an inner surface of said preform into features complementary of said housing; and disposing components of an assembly through one of said open ends of said housing with some said components engaging said features deformed into said inner surface of said housing when cold working said preform.