Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Production of continuous or running length
Reexamination Certificate
2006-07-18
2009-11-03
Crispino, Richard (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Production of continuous or running length
C264S210100, C264S553000, C264S348000, C264S571000, C264S177170, C264S211130, C264S284000, C264S101000, C264S237000, C264S557000, C264S176100, C264S211120, C425S326100, C425S388000, C425S384000, C425S405100, C425S371000, C474S093000
Reexamination Certificate
active
07611660
ABSTRACT:
The present invention relates to an apparatus and method for cooling material during continuous vacuum forming. The apparatus includes one or more cooling regions positioned adjacent one or more vacuum regions. A rotatable support belt including perforations therein supports a flexible patterned belt. The flexible patterned belt includes apertures spaced along the length and width thereof. The one or more cooling regions provide a cooling fluid to be drawn through the apertures in the flexible patterned belt to form an area of cooling fluid on the flexible patterned belt which contacts a bottom surface of a hot material received on the flexible patterned belt in order to cool the bottom surface of the material and the flexible patterned belt. The vacuum regions are in fluid flow communication with the perforations of the support belt and the apertures of the flexible patterned belt for drawing the material onto the flexible patterned belt. The vacuum regions remove the cooling fluid from the flexible patterned belt. Cooling can also be provided by a cooling region positioned above the material for simultaneously cooling an upper surface of the material.
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Bosler Design Services, Inc.
Crispino Richard
Porzio, Bromberg & Newman P.C.
Rogers Martin
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