Method of forming a corrugated annulus

Details Method of forming a corrugated annulus Method of forming a corrugated annulus

1979-03-21

1981-06-23

Larson, Lowell A.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

72381, 113116D, B21D 1310

Patent

active

042742757

ABSTRACT:
A method of producing a corrugated annulus is disclosed which has substantially radial folds therein, the method consisting essentially of forming in one continuous straight piece of metal a curved or arcuate head for a reel or the like which method consists in forming a number of radial folds extending from one edge of the strip to the other, the radial folds being of variable depth decreasing from the inner to the outer periphery of the formed annulus.

REFERENCES:
patent: 2152523 (1939-03-01), McGuire
patent: 2481049 (1949-09-01), Stamm et al.

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