Method of laminating metal parts

Claim 1

A METHOD OF MAKING A LAMINATED-METAL ARTICLE CHARACTERIZED BY AN EXCEPTIONALLY HIGH DEGREE OF REGISTRY BETWEEN ADJACENT LAMINAE COMPRISING LOCATING AN OVERSIZE OPEN-CENTERED METAL BLANK ON THE EXPOSED FACE OF A HOLLOW DIE OF SUBSTANTIALLY INIFORM CROSS SECTION IN A MANNER SUCH THAT THE BLANK SLIGHTLY OVERLAPS THE ADJACENT EDGES OF THE DIE OPENING AND, WITH THE BLANK SO LOCATED, APPLYING PRESSURE TO THE BLANK TO FORCE THE BLANK INWARDLY OF THE DIE TO A POSITION BETWEEN THE ENDS OF THE DIE OPENING, MEANWHILE SHAVING OFF THE OVERLAP IN THE FORM OF A CHIP; POSITIONING A SECOND OVER-SIZE OPEN-CENTERED METAL BLANK IN SIMILAR MANNER OVER THE OPENING IN THE DIE IN CONTACT WITH THE EXPOSED FACE TO THE FIRST BLANK AND APPLYING PRESSURE TO THE BATH BLANKS TO FORCE SECOND BLANK INWARDLY OF THE DIE TO NEW POSITIONS BETWEEN THE ENDS OF THE DIE OPENING, MEANWHILE SHAVING OFF THE OVERLAP ON THE SECOND BLANK IN THE FORM OF A CHIP INTRODUCING A DEFORMABLE FASTENING ELEMENT INTO THE OPEN CENTERS OF THE TWO BLANKS WHILE THE BLANKS ARE STILL GROUPED IN THE OPENING IN THE DIE SO AS TO FORM A LAMINATED-METAL ARTICLE CHARACTERIZED BY THE DESIRED HIGH DEGREE OF REGISTRY BETWEEN ADJACENT LAMINAE: AND, AFTER THE BLANKS HAVE BEEN FASTENED TO THE FASTENING ELEMENT, REMOVING THE RESULTING LAMINATED-METAL ARTICLE FROM THE DIE AS A UNIT.

Claim 2

A METHOD OF MAKING A LAMINATED-METAL ARTICLE CHARACTERIZED BY AN EXCEPTIONALLY HIGH DEGREE OF REGISTRY BETWEEN ADJACENT LAMINAE COMPRISING LOCATING AN OVERSIZE OPEN-CENTERED METAL BLANK ON THE EXPOSED FACE OF A HOLLOW DIE OF SUBSTANTIALLY INIFORM CROSS SECTION IN A MANNER SUCH THAT THE BLANK SLIGHTLY OVERLAPS THE ADJACENT EDGES OF THE DIE OPENING AND, WITH THE BLANK SO LOCATED, APPLYING PRESSURE TO THE BLANK TO FORCE THE BLANK INWARDLY OF THE DIE TO A POSITION BETWEEN THE ENDS OF THE DIE OPENING, MEANWHILE SHAVING OFF THE OVERLAP IN THE FORM OF A CHIP; POSITIONING A SECOND OVER-SIZE OPEN-CENTERED METAL BLANK IN SIMILAR MANNER OVER THE OPENING IN THE DIE IN CONTACT WITH THE EXPOSED FACE TO THE FIRST BLANK AND APPLYING PRESSURE TO THE BATH BLANKS TO FORCE SECOND BLANK INWARDLY OF THE DIE TO NEW POSITIONS BETWEEN THE ENDS OF THE DIE OPENING, MEANWHILE SHAVING OFF THE OVERLAP ON THE SECOND BLANK IN THE FORM OF A CHIP INTRODUCING A DEFORMABLE FASTENING ELEMENT INTO THE OPEN CENTERS OF THE TWO BLANKS WHILE THE BLANKS ARE STILL GROUPED IN THE OPENING IN THE DIE SO AS TO FORM A LAMINATED-METAL ARTICLE CHARACTERIZED BY THE DESIRED HIGH DEGREE OF REGISTRY BETWEEN ADJACENT LAMINAE: AND, AFTER THE BLANKS HAVE BEEN FASTENED TO THE FASTENING ELEMENT, REMOVING THE RESULTING LAMINATED-METAL ARTICLE FROM THE DIE AS A UNIT.