Optical forming apparatus for forming three-dimensional objects

Details Optical forming apparatus for forming three-dimensional objects Optical forming apparatus for forming three-dimensional objects

1998-11-24

1999-11-02

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Stereolithographic shaping from liquid precursor

425135, 4251744, 425375, B29C 3508, B29C 4102

Patent

active

059764481

ABSTRACT:
An optical forming apparatus which can form a homogeneous three-dimensional object exhibiting desired properties over all parts, while effectively suppressing sedimentation of filler even though the filler is easily precipitated in a photo-curable resin composition. The optical forming apparatus can produce a three-dimensional object consisting of laminated layers of cured resin produced by repetition of forming cured resin layers by selectively irradiating a photo-curable liquid resin composition placed in a container (20), wherein the apparatus is characterized by having a means (60) for circulating the photo-curable liquid resin composition.

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patent: 5525051 (1996-06-01), Takano
patent: 5609814 (1997-03-01), Takano
Derwent Abstract, DE 4414775, filed Oct. 19, 1995.
Derwent Abstract, DE4417083, filed Nov. 23, 1995.
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Derwent Abstract, JP 06 246837, filed Sep. 6, 1994.
Derwent Abstract, JP 04 118221, filed Apr. 20, 1992.
Derwent Abstract, JP 08 150662, filed Oct. 31, 1995.

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