Method of and apparatus for producing booklets
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 17, 2004
Grant Date -
N/A
app pub date -
Oct 6, 2000
filing date -
Mar 7, 2000
priority date (Note) -
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Abstract
A booklet of sheets folded to create a curved spine is fixedly held by clamping jaws adjacent to the spine and a forming roller is passed one or more times along the length of the protruding spine with sufficient pressure to produce a flattening of the curvature of the spine. The deformation of the spine of the booklet means that the sheets lie flat after the treatment. A retractable stop plate defines the amount by which the spine protrudes beyond the jaws.
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