Method and apparatus for production of three-dimensional objects

Details Method and apparatus for production of three-dimensional objects Method and apparatus for production of three-dimensional objects

1990-05-31

1992-12-15

Chiesa, Richard L.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264308, 4251744, 430270, B29C 3508

Patent

active

051714906

ABSTRACT:
An improved method of preparing three-dimensional objects from uncured photopolymer by depositing the photopolymer in layers and treating it with radiation to convert the photopolymer into a cohesive structure capable of being at least partially unsupported includes irradiating the uncured photopolymer by transmitting radiation through a constrained radiation transmittent flexible film. Apparatus for performing the method is disclosed.

REFERENCES:
patent: 3597295 (1971-08-01), Tenquist
patent: 3689346 (1972-09-01), Rowland
patent: 4407646 (1983-10-01), Bricot et al.
patent: 4575330 (1986-03-01), Hull
patent: 4587066 (1986-05-01), Rodriguez
patent: 4752498 (1988-06-01), Fudim
patent: 4960624 (1990-10-01), Ueno
patent: 4961154 (1990-10-01), Pomerantz et al.

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