Composite metal molding and method for manufacturing thereof

Details Composite metal molding and method for manufacturing thereof Composite metal molding and method for manufacturing thereof

2006-10-10

2010-11-16

Barrera, Ramon M (Department: 2832)

Compositions

Magnetic

With wax, bitumen, resin, or gum

C335S297000, C148S316000, C148S319000, C075S236000

Reexamination Certificate

active

07833432

ABSTRACT:
A compression molding which is high in both dimensional accuracy and mechanical strength is difficult to manufacture by a powder molding process. Especially, a molding including a soft magnetic material with high soft magnetic properties is difficult to manufacture. A composite metal molding according to the present invention includes metal particles and the carbide of a resin intervening among the particles. It is manufactured by coating metal particles with a resin, molding the prepared molding material under pressure into a predetermined shape, and heating the prepared pressurized preform to calcine the resin and weld mutually the particles. The carbide of the resin has a weight ratio of 0.001 to 2% to the metal particles when the particles have their proportion expressed as 100. The particles have a weld ratio of 10 to 80%. The particles preferably contain a soft magnetic material and the resin is preferably a furan resin.

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People's Republic of China Notification of First Office Action concerning application No. 2006101423827 with English translation of text portion dated Jun. 13, 2008.

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