Patent ID: 7866030
Filing Date: 2011-01-11
Classification: H02K,Y10T

Abstract:
1. A process for forming a stack of superposed metallic laminations, characterized in that it comprises the steps of: providing a locking lamination with at least two locking openings and incorporating, adjacent to each locking opening, a tab projecting to one of the sides of said locking lamination; providing a passage lamination with at least two passage openings, each defining an edge portion that is deformed to one of the sides of said passage lamination; axially aligning and fitting each tab of the locking lamination through a passage opening of the passage lamination; and pressing each tab of the locking lamination against an adjacent face of the passage lamination, opposite to its face to be seated on the locking lamination, until each tab is contained in a respective passage opening of the passage lamination and partially seated on an edge portion of the passage opening of the passage lamination, deformed to the inside of the locking opening of the locking lamination (