Methods and apparatus for production of three-dimensional object

Details Methods and apparatus for production of three-dimensional object Methods and apparatus for production of three-dimensional object

1988-04-18

1991-10-22

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

118620, 1562728, 1562733, 1563796, 2504921, 264308, 364476, 364522, 365107, 4251744, 427 531, 427 541, B29C 3508, B29C 6700

Patent

active

050593595

ABSTRACT:
An improved sterolithography system for generating a three-dimensional object by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, information defining the object being specially processed to reduce curl and distortion, and increase resolution, strength, accuracy, speed and economy of reproduction even for rather difficult object shapes, and successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process.

REFERENCES:
patent: 2775758 (1956-12-01), Munz
patent: 4575330 (1986-03-01), Hull
patent: 4863538 (1989-09-01), Deckard

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