Master making device for a stencil printer
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United States of America Patent
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Sep 30, 2003
Grant Date -
N/A
app pub date -
Jul 6, 1998
filing date -
Jul 8, 1997
priority date (Note) -
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Abstract
A master making device of the present invention includes a thermal head having a plurality of heating elements arranged in an array in the main scanning direction. A platen roller forms a nip between it and the thermal head for pressing a stencil. The platen roller is rotatable for moving the stencil in the subscanning direction perpendicular to the main scanning direction. The position of the array of heating elements in the subscanning direction is deviated, within the nip, from the center of the platen roller to the downstream side in the subscanning direction to thereby reduce the length of the perforated portion of the stencil to be moved in the nip. The device is capable of providing a master with an accurate length without regard to the kind of the stencil and insuring stable conveyance of the stencil.
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