Method for producing three-dimensional shaped article

Details Method for producing three-dimensional shaped article Method for producing three-dimensional shaped article

2009-11-23

2011-12-27

Kastler, Scott (Department: 1733)

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

C419S058000

Reexamination Certificate

active

08083989

ABSTRACT:
A method for producing a three-dimensional shaped article, including molding by irradiation of an optical beam to powder and by a rotating tool, providing a hollow part in a base pedestal supporting a shaped object, filling the hollow part with powder, forming a powder layer in the upper part of the hollow part and a surrounding region thereof, after a sintering region supporting the shaped object from the underside is formed in a region containing the powder layer, molding three or more supports of the base pedestal and two or more support frames connecting the shaped object, then the molded product and the base pedestal are then reversed in a vertical direction, thereby cutting and removing the sintering region, and molding the bottom part to achieve the object based on the fact that the supporting frames and the shaped object are cut and separated.

REFERENCES:
patent: 6682688 (2004-01-01), Higashi et al.
patent: 7255830 (2007-08-01), Abe et al.
patent: 2006/0192322 (2006-08-01), Abe et al.
patent: 10-24495 (1998-01-01), None

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