Solidscape, Inc.

Bun Chay Te

John Theodore Wigand

A contact coating device comprising a high viscosity rapid deposition head comprising a deposition body defining a material supply passage; a dispensing/shaping nozzle being formed adjacent in a leading end surface of the high viscosity rapid deposition head for dispensing of the high viscosity material from the high viscosity rapid deposition head, and the dispensing/shaping nozzle comprising a dispensing cavity; at least one dispensing passage providing communication between the material supply passage and the dispensing/shaping nozzle for suppling the high viscosity material to the dispensing cavity; and a heating element for heating a portion of the high viscosity rapid deposition and facilitating flow of the high viscosity material through the high viscosity rapid deposition head. A multi-head material deposition system which comprises a first drop-on-demand device, a second drop-on-demand device and at least one contact coating rapid deposition head is also disclosed.

Method and apparatus for fabricating three dimensional models

A combined scribing/filling device for scribing a desired channel, trough, trench or groove in a layer currently being fabricated and simultaneously filling the scribed channel, trough, trench or groove with a desired filling material. The combined scribing/filling device comprises (1) a scribing tool having a scribing tip which facilitates scribing of the desired channel, trough, trench or groove in the layer currently being fabricated; and a dispensing/shaping orifice for filling the scribed channel, trough, trench or groove with the filling material. The scribing tip is located coincident with respect to the dispensing/shaping orifice to facilitate simultaneously scribing and filling of the channel, trough, trench or groove. A method of fabricating a three dimensional model from a composite model formed by a plurality of layers, by simultaneously scribing and filling of the channel, trough, trench or groove is also disclosed.

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Nashua, NH, United States of America

Bun Chay Te