Tactile feature tool
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United States of America Patent
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Sep 27, 2016
Grant Date -
Sep 4, 2014
app pub date -
Sep 19, 2012
filing date -
Sep 30, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An embossing head for use in a rotary printing press has a raised embossing stamp, a constraining means for constraining motion of the embossing stamp along a radial direction, and adjustable positioning means for stopping radially downward motion of the embossing stamp at an adjustable lowermost position for determining an adjustable radial height of the raised embossing stamp. A number of embossing heads may be mounted independently to annular collars of the press to enable free positioning of the corresponding embossments in both dimensions of the sheet material. The adjustable positioning means enables fine height selection and adjustment of each embossing stamp individually so as to enable and facilitate the production of embossments on sheet material within specified tolerances reliably over numerous print cycles.
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