Process for manufacturing a three-dimensional shaped product

Details Process for manufacturing a three-dimensional shaped product Process for manufacturing a three-dimensional shaped product

1993-12-13

1995-08-01

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 69, 264125, 264126, 264308, B29C 3508, B29C 3510

Patent

active

054378206

ABSTRACT:
A process for creating a three-dimensional shaped object by providing a container having a fluidized bed of fusable particles therein and a base plate disposed within the particle bed below an upper level of the particles. A heat beam is directed in a desired pattern onto the upper level of particles above the base plate to fuse certain of the particles together to form a formed shape with the base plate then being lowered. A new upper level of fusable particles from the particle bed covers the formed shape, selected of which particles are then heated by the heat beam in a desired pattern to fuse the thus-heated particles to one another and to fuse the particles to the previously fused formed shape of particles with the process continuing until the desired three-dimensional shaped product is formed and removed from the particle bed.

REFERENCES:
patent: 5147587 (1992-09-01), Marcus et al.
patent: 5156697 (1992-10-01), Bourell et al.
patent: 5304329 (1994-04-01), Dickens, Jr. et al.

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