Apparatus for making aluminum wheel covers

Details Apparatus for making aluminum wheel covers Apparatus for making aluminum wheel covers

1978-05-12

1981-03-10

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

2915901, 113116E, B21D 2200

Patent

active

042546508

ABSTRACT:
The apparatus and method disclosed herein provides a phantom draw bead in a generally flat, aluminum sheet metal blank which is ultimately formed into the ornamental cover member of an automotive wheel cover. The material of the draw bead functions as a conventional draw bead to secure the blank during the forming process, but becomes an external, visible and integral part of the finished product of the process. In working the process, the aluminum blank is inserted between the cooperating dies of a blank-and-draw press. The dies are then closed to form the phantom draw bead along the outer annular margin of the blank, and, thereafter, to draw the blank over the stationary die. The drawn blank is thereafter slightly trimmed and inserted between the cooperating dies of a restrike press, and the dies are closed to form the final profile of the cover member wherein the finished surface includes the material which previously provided the draw bead. Accordingly, the waste material requirement of a conventional draw bead is avoided.

REFERENCES:
patent: 2163003 (1939-06-01), Lyon
patent: 2254376 (1941-07-01), Lyon
patent: 3001495 (1961-09-01), Lyon

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