Metal deforming – By deflecting successively-presented portions of work during... – With feeding of discrete articles or orienting of work...
Patent
1984-10-15
1987-07-28
Combs, E. Michael
Metal deforming
By deflecting successively-presented portions of work during...
With feeding of discrete articles or orienting of work...
72166, B21D 1100, B21D 5100
Patent
active
046824855
ABSTRACT:
A method of forming a sleeve of circular cross-section from a flat plate of predetermined shape is provided by which in a very simple, reliable and cheap manner a sleeve can be manufactured, the shape of which corresponds with a desired shape without an additional pre- or post process.
In order to achieve the objects mentioned above a method as mentioned is provided in which the plate is pressed through a shaft enclosing the plate against and along a hollow mould wall having a shape corresponding to the shape of the sleeve to be made.
Furthermore a device for carrying out the aforesaid method is provided characterized by a gap-shaped shaft, the width of which is smaller than twice the thickness of the plate, the outlet end of said shaft adjoining a fixed, hollow mould wall having a shape matching the shape of the sleeve to be manufactured, while at the inlet end it co-operates with means for pressing the plate through the shaft.
REFERENCES:
patent: 735936 (1903-08-01), Blakey et al.
patent: 1936454 (1933-11-01), Klocke
patent: 2223599 (1940-12-01), Cameron
patent: 2245407 (1941-06-01), Lignian
patent: 2413594 (1946-12-01), White
patent: 3959066 (1976-05-01), Miller et al.
Combs E. Michael
Snyder John P.
Sobemi N.V.
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