Method for manufacturing metallic ribs on sheet stock

Details Method for manufacturing metallic ribs on sheet stock Method for manufacturing metallic ribs on sheet stock

1977-02-02

1978-08-29

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

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

72379, 113116Z, 428183, B21C 3702

Patent

active

041095030

ABSTRACT:
There is disclosed a planar sheet having at least one longitudinal corrugation for substantially the entire width of the panel. On at least one end portion of the sheet the corrugation terminates into a plurality of smaller gathered corrugations resulting in closed ends. Apparatus is also disclosed for producing the aforementioned smaller gathered corrugations including an anvil having appropriate cavities therein and a punch system for upsetting a corrugated panel to produce said mini-corrugation.

REFERENCES:
patent: 1771028 (1930-07-01), Bronson et al.
patent: 2199377 (1940-04-01), Tangerman
patent: 3824664 (1974-07-01), Seeff
patent: 3902348 (1975-09-01), Hale

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