Process for the pressureless sintering of metal alloys; and...

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder pretreatment

Reexamination Certificate

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C419S026000

Reexamination Certificate

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07544322

ABSTRACT:
Hollow metal spheres are heated in a high vacuum in the presence of an organic substance, at a temperature at least equal to the melting point of a eutectic between carbon and the metallic constituents of the said spheres.

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Search Report for France patent application No. 0507256, published Apr. 10, 2006, 1 pg.

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