Apparatus and method for printing on and polarizing polymer elec

Details Apparatus and method for printing on and polarizing polymer elec Apparatus and method for printing on and polarizing polymer elec

1994-06-13

1995-12-26

Bennett, Chris A.

Printing

Processes

Electric or magnetic transfer

101212, 101487, 101DIG37, B41M 700

Patent

active

054777844

ABSTRACT:
A novel apparatus and method for printing on polymer film while electrically polarizing the film or, in the case where the film has been polarized prior to printing, maintaining the film's electrostatic charge. The apparatus is incorporated into a printer and includes an ink applicator which applies the ink according to selected designs and colors and a heater for drying the ink. The improvement in the apparatus comprises a charging station which forms an electrostatic charge on the printed polymer film, immediately after the polymer film passes through the ink curing station. The method of printing on polymer film comprises applying a selected pattern of ink to the polymer film, heating the polymer film to a sufficient temperature to dry the ink of said pattern and to render the film electrically polarizable, and generating a net surface charge on the film. The resulting electrostatic charge across the polymer film will enable the film to be attach to an electrically insulated any flat surface, including but not limited to wood, glass, drywall, wallpaper, and metal.

REFERENCES:
patent: 3554123 (1971-01-01), Lewallen
patent: 4161141 (1979-07-01), Lakhani
patent: 5103263 (1992-04-01), Moore et al.
patent: 5205212 (1993-04-01), Wolfe
patent: 5279103 (1994-01-01), Hahne

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