Process for the production of elongated articles, especially magnets, from hard powdered materials
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United States of America Patent
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Apr 4, 1989
Issued Date -
N/A
app pub date -
May 9, 1984
filing date -
Dec 18, 1980
priority date (Note) -
Expired
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Abstract
In the production of press molded articles, such as permanent magnets made from anisotropic powder materials, a more nearly uniform distribution of the particles is obtained by the forming of a preliminary series of articles, each being only a fraction of the length of the final product, after which the preliminary articles are combined under lengthwise pressure in a mold. Pressure may be applied as each preliminary article is added in the mold and the final article may be sintered or a plastic binder may be added and cured by heating.
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