INFRARED LAMP CARRIAGE FOR APPARATUS FOR THE LAYER-BY-LAYER FORMATION OF THREE-DIMENSIONAL OBJECTS
An apparatus for formation of three-dimensional objects and having an infrared radiation deflector. The radiation deflector includes opposing first and second elongate side walls; at least one end support connecting the side walls; an upper opening and a lower opening arranged to pass lamp radiation...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An apparatus for formation of three-dimensional objects and having an infrared radiation deflector. The radiation deflector includes opposing first and second elongate side walls; at least one end support connecting the side walls; an upper opening and a lower opening arranged to pass lamp radiation to an exterior of the radiation deflector; and a mounting point provided at the/each end support for mounting an infrared lamp. The side walls include first and second elongate mirrors extending parallel to a lamp axis and along a lower internal portion of the respective side walls. The lamp axis extends along and between the first and second mirrors, each of which has a concave surface with respect to the lamp axis. The first mirror is an upward deflecting mirror and is arranged for redirecting at least a portion of direct lamp radiation through the upper opening. |
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