Method of and apparatus for measuring the tension of a filter screen in a filter frame
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United States of America Patent
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Nov 23, 2010
Grant Date -
Jun 18, 2009
app pub date -
Dec 9, 2008
filing date -
Dec 14, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The inventions relates to an apparatus, in particular for a screen-printing machine, for measuring tension in a printing screen in a frame, characterized in that a holder for the frame (1) has holder bars (3a, 3b, 3c, 3d) each formed of a plurality of sections (3a1, 3a2, . . . , or 3b1, 3b.2, . . . , or 3c1, 3c2, . . . , 3d1, 3d2, . . . , ) each provided with a respective sensor (6) for measuring tension. The invention furthermore relates to a method, in particular for a screen-printing machine, for measuring tension in a screen in a screen frame, characterized in that a screen (2a) mounted in a frame (1) is mounted in a holder (3) having holder bars (3a, 3b, 3c, 3d) each formed by a plurality of sections (3a1, 3a2, . . . , or 3b1, 3b.2, . . . , or 3c1, 3c2, . . . , 3d1, 3d2, . . . ) each provided with a respective sensor (6) that measure forces between the respective section (3a1, 3a2, . . . , or 3b1, 3b.2, . . . , or 3c1, 3c2, . . . , 3d1, 3d2, . . . ) and the frame (1).
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