Thermographic printing machine for a roller-supported continuous

Details Thermographic printing machine for a roller-supported continuous Thermographic printing machine for a roller-supported continuous

1987-01-13

1989-03-14

Beck, Shrive

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

118 46, 118 64, 118 69, 118643, 270 39, 270 40, 493328, 493329, 101 22, 101219, B05C 1100

Patent

active

048116882

ABSTRACT:
A thermographic printing machine has a powder applicator, a heating stage, and a cooling stage wherein the heating stage has a paper transport path which is sinuous and passes on both sides of a heater, the paper passing around rollers which define the ends of the transport path. The rollers at one end do not touch the printed surface of the paper and a guide shell prevents buckling. The machine can run much faster than any previous thermographic machine because of the compactness of the heater stage. The machine may have a re-folding device for continuous fan-folded paper, wherein the paper is drawn through the machine by a drive mechanism at the exit end of the machine prior to the re-folding stage, and wherein an adjustable linkage between the drive mechanism and the re-folding device ensures re-folding of fan-fold paper of different sheet lengths.

REFERENCES:
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patent: 4573670 (1986-03-01), Felix
patent: 4730762 (1988-03-01), Felix

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