Rivet driving die and method

Details Rivet driving die and method Rivet driving die and method

1984-11-28

1986-12-23

Husar, Francis S.

Metal deforming

Tool and/or tool holder

Having unitary tool-face

72476, 411507, 29509, B21J 1302

Patent

active

046304630

ABSTRACT:
A die particularly adapted to drive a rivet, where the head of the rivet has a relatively steep circumferential side surface. The die engages the rivet head in a manner that initially the middle portion of the die driving surface exerts substantial force into the shank portion of the rivet, after which the die driving surface comes in greater overall driving engagement with the entire rivet head. Further, the die has a circumferential lip which limits lateral movement of the die relative to the rivet head.

REFERENCES:
patent: 1443532 (1923-01-01), Gray
patent: 1966401 (1934-07-01), Andren
patent: 2061660 (1936-11-01), Komosis
patent: 3561102 (1971-02-01), Diemer
patent: 3962775 (1976-06-01), King, Jr.
patent: 4065951 (1978-01-01), Lyu

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