San Mateo Times Newspaper Archives, Jul 3, 1972, p. 21

SELF-PIERCING RIVET, ARRANGEMENT WITH A SELF-PIERCING RIVET, AND METHOD FOR FORMING A JOINT IN A STACK OF AT LEAST TWO SHEETS OF MATERIAL

An interchangeable die for a joining tool includes a die head partially defining a die feature, and a die shank which extends from the die head in an axial direction and is insertable into a shank receptacle of a die receiving portion of a joining tool. A fastening contour is partially defined on the interchangeable die for fastening the interchangeable die on the joining tool.

HOLDING DEVICE FOR HOLDING A STUD AND JOINING HEAD

The fastening contour is structured for fastening the interchangeable die on the joining tool by a motion including an insert movement and a rotate movement.

gerd saltenberger

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