Machine for the production of tubes by winding strips of weblike material
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United States of America Patent
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Apr 12, 2011
Grant Date -
Sep 2, 2010
app pub date -
Dec 19, 2006
filing date -
Dec 23, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The machine for producing tubes includes a winding spindle around which strips of weblike material are wound to form the tube, which is made to advance along the spindle; a device for supply and winding of the strips around the spindle, and at least one knife for cutting lengths of the tube being formed. The knife is provided with a reciprocating movement parallel to the spindle. There is moreover envisaged a counter-knife within the tube being formed, provided with a movement of translation synchronized to the movement of translation of the knife. The counter-knife is magnetically constrained to a mover member, which transmits the motion to the counter-knife.
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