Method and device for continuous production of flanged hollow ar

Details Method and device for continuous production of flanged hollow ar Method and device for continuous production of flanged hollow ar

1980-10-02

1983-08-30

Larson, Lowell A.

Metal deforming

By extruding through orifice

Utilizing internal forming means

72353, 72354, 72359, 72379, B21C 2314, B21C 2504, B21D 4500

Patent

active

044009640

ABSTRACT:
A blank material having a configuration corresponding to the flange part of the article is first punched by a punch member and a die member from a planar strip material, the blank is press-formed into a hollow article by further pressing the punch member and die member and projecting a mandrel having outer diameter corresponding to the inner diameter of the hollow article. Then, the punch member, die member and mandrel are returned to their original position thereby to deliver a completed article. The above one cycle operation is continuously repeated per shift of the strip member by one article distance.

REFERENCES:
patent: 3050849 (1962-08-01), Etchison, Jr. et al.
patent: 3387481 (1968-06-01), Harvey et al.
patent: 3977225 (1976-08-01), Couchman

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