Metal deforming – With cleaning – descaling – or lubrication of work or product – Lubricating
Patent
1977-02-09
1978-04-25
Combs, E. M.
Metal deforming
With cleaning, descaling, or lubrication of work or product
Lubricating
29605, 29609, 72367, B21D 3100, H01F 304
Patent
active
040856038
ABSTRACT:
The invention relates to star-shaped magnetic circuit elements. Such elements can be obtained by manufacturing a tore-shaped magnetic circuit element by winding a magnetic sheet strip around a pin. Then this tore-shaped element is pressed by converging equidistant pressing means. The obtained star is adapted to receive electrical coil bobbins on each of its legs and is accordingly adapted for constituting the core of a symmetrical star-shaped transformer.
REFERENCES:
patent: 2260398 (1941-10-01), Otte
patent: 2423345 (1947-07-01), Rotors
patent: 2864159 (1958-12-01), Doering et al.
patent: 3195081 (1965-07-01), Kunes
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