Beaded edge forming method and apparatus

Details Beaded edge forming method and apparatus Beaded edge forming method and apparatus

1982-12-29

1984-11-27

Larson, Lowell A.

Metal deforming

Process

Deforming sheet metal

72384, 72404, B21D 1910

Patent

active

044844670

ABSTRACT:
A beaded edge is formed on a plate member, which has an upstanding outer edge bent with a predetermined radius of curvature, by placing the plate member on a lower die and applying a uniform force against the free edge of the upturned portion at an approximately 45.degree. angle to turn the outer portion inwardly to form an angle of about 45.degree. with the plate member, and then pressing the free edge downward into contact with the plate member while maintaining a substantially constant curvature of the bend region to produce a beaded edge.

REFERENCES:
patent: 2707510 (1955-05-01), Gershon
patent: 3738300 (1973-06-01), Saunders

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