Optical molding apparatus

Details Optical molding apparatus Optical molding apparatus

1995-06-06

1996-06-11

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Radiated energy

264401, B29C 3508

Patent

active

055250513

ABSTRACT:
An optical molding apparatus for obtaining a three-dimensional resin model by scanning a surface of a photocurable resin liquid held in a photocurable resin liquid tank by a light beam to cure the same and successively building up the scanned and cured layers on an elevator. When the molding of one constant-height section layer is ended and the elevator is made to descend, the overflow of the photocurable resin liquid from the photocurable resin liquid tank to an overflow tank is temporarily blocked and then after the blocking of the overflow is lifted, the next constant-height section layer is molded.

REFERENCES:
patent: 4575330 (1986-03-01), Hull
patent: 5011635 (1991-04-01), Murphy et al.
patent: 5058988 (1991-10-01), Spence
patent: 5106288 (1992-04-01), Hughes
patent: 5248249 (1993-09-01), Yamamoto et al.

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