Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy
Patent
1989-12-18
1991-04-23
Housel, James C.
Plastic article or earthenware shaping or treating: apparatus
Means applying electrical or wave energy directly to work
Radiated energy
118500, 118620, 156 58, 1562733, 1563796, 156538, 264 22, 264308, B29C 3508, B05D 306
Patent
active
050095854
ABSTRACT:
An optical molding apparatus is used for an optical molding method including the steps of radiating light onto a photocurable resin so as to cure the irradiated portion and laminating the cured objects. The apparatus comprises: a container provided with an aperture on a bottom surface or a side surface thereof; a base which is movably away from a surface of the aperture; a light radiation apparatus for radiating light into the container through the aperture; and a cured object holding plate which is freely mounted and dismounted from above the base. A movable base device for the optical molding apparatus comprises the base and an elevator erected on a peripheral edge of the container so as to lift and lower the base. The base is provided with a frame, one end thereof constituting a slide portion vertically moved along the elevator, a model holding plate removably mounted on the frame, frame supporting members with the base end sides thereof rotatably supported by the slide portion. The frame supporting members assume both a supporting state for supporting the frame when they are connected to the frame and an evacuated state when the connection is released and the free end sides are rotated upward.
REFERENCES:
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patent: 4575330 (1986-03-01), Hull
patent: 4752498 (1988-06-01), Fudim
patent: 4801477 (1989-01-01), Fudim
patent: 4942060 (1990-07-01), Grossa
Kodoma, Hideo, "Automatic Method for Fabricating a Three-Dimensional Plastic Model with Photo-Hardening Polymer", Rev. Sci. Instrum., vol. 52, No. 11, Nov. 1981, pp. 1770-1773.
Lindsay, Karen, "Desktop Product Prototyping: Services and Systems Proliferate", Modern Plastics, Jul. 1989, p. 90.
Hirano Yoshinao
Horikiri Kazuhito
Murata Katsuhide
Nagamori Shigeru
Sato Katsumo
Housel James C.
Mitsui Engineering & Shipbuilding Co. Ltd.
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