Patent ID: 7204684
Filing Date: 2007-04-17
Classification: B29C,B33Y

Abstract:
1. A job box for a pattern building device comprising: a workpiece platform; at least one pair of spaced apart but connected opposing sidewalls, each sidewall having at least one vertically oriented recess defined therein, adapted for vertical positioning of the workpiece platform in the job box; and a carrier that vertically moves within the plurality of sidewalls, the carrier being adapted for defining a seal, independent of any seal of the workpiece platform, for the at least one vertically oriented recess in each sidewall, wherein the carrier includes at least two separable pieces, each including at least one bearing surface and further wherein a sealing strip for the at least one vertically oriented recess in each sidewall is positioned at an interface region between the separable pieces, wherein a generally sinusoidal interface is defined in the interface region between the two separable pieces.