Method for the manufacture of bundles of metal sheets of...

Details Method for the manufacture of bundles of metal sheets of... Method for the manufacture of bundles of metal sheets of...

2005-02-08

2005-02-08

Arbes, Carl J. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S732000, C029S607000, C029S736000, C029S738000, C029S860000, C219S121630, C310S049540, C310S214000

Reexamination Certificate

active

06851176

ABSTRACT:
The method makes it possible to form a stator of an electric motor by means of a multiple-slide press (21, 22, 23). The starting point is a bundle consisting of rectilinear segments of sheets obtained by stamping and welded. The stator is formed by means of four successive operations carried out by four groups of slides of a multiple-slide press and corresponding dies. The cylinder formed is subsequently welded along its joining generatrix and is calibrated in a hydraulic press.

REFERENCES:
patent: 4477306 (1984-10-01), Rediger
patent: 4597172 (1986-07-01), Bourgeois
patent: 5065497 (1991-11-01), Jarabak et al.

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