Inserts attachable to a wire mesh belt for supporting sheets in a thermography apparatus

A thermography apparatus comprising a wire mesh conveyor belt for conveying sheets successively through a powder zone, a heating zone, and a cooling zone, said powder zone comprising means for applying powdered thermographic resin to printed sides of the sheets and means for removing excess resin from the sheets, said heating zone including means for heating and melting the resin which is subsequently cooled in said cooling zone, said wire mesh conveyor belt forming a series of lateral openings, and comprising a plurality of inserts mounted on said belt for supporting said sheets, said inserts each comprising an elongate strip, said strip including an edge integrally formed with a plurality of pointed projections spaced along a length of said strip and projecting in the direction of a height of said strip, said height being greater than a width of said strip, to permit said insert to be inserted laterally into one of said openings in said belt with said projections thereof lying in the plane of said belt and then rotated 90.degree. to a position wherein said projections extend beyond the plane of said belt to support the sheets, said insert including attachment means attachable to wire portions of said wire mesh belt to anchor said strip to said belt.