Device for the folding of flexible material
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United States of America Patent
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Aug 11, 2015
Grant Date -
Sep 24, 2009
app pub date -
May 11, 2007
filing date -
May 16, 2006
priority date (Note) -
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Abstract
A device for the folding of flexible material in the form of a continuous strip (10) or single sheets, of the type having a pair of parallel and opposite rolls (12, 14) respectively equipped with at least one gripping element (18), having at least one moveable jaw (20) and at least one fixed jaw (22), and at least one comb element (16) situated along directrix lines parallel to the axes of the respective rolls (12, 14). The comb elements (16) are assembled on an actuator group (50) inside each of the rolls (12, 14) to move them from a substantially withdrawn position with respect to the surface of the roll (12, 14) to a protruding position, whereas the moveable jaws (20) of the gripping element (18) are assembled on an actuator group (52) inside each of the rolls (12, 14).
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