Patent attributes
A process for forming a lamination stack of superposed metallic laminations, comprising the steps of: providing a locking lamination having locking openings adjacent to respective projecting tabs; providing a passage lamination with passage openings, each having a deformed edge portion; axially aligning and fitting each tab of the locking lamination through a passage opening of the passage lamination; and pressing each tab against an adjacent face of the passage 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, deformed to the inside of the locking opening of the locking lamination, axially locking the latter to the passage lamination.
