Machine for the production of tubes by winding strips of...

Details Machine for the production of tubes by winding strips of... Machine for the production of tubes by winding strips of...

2011-04-12

2011-04-12

Desai, Hemant M (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Tube making

With cutting, breaking, tearing, or abrading

C493S289000, C493S298000, C493S304000

Reexamination Certificate

active

07922641

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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