B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 21/04 (2006.01) B26D 3/16 (2006.01) B31C 3/00 (2006.01)
Patent
CA 2663449
The machine for producing tubes comprises: a winding spindle (4), around which strips of weblike material are wound to form the tube (T), which is made to advance along the spindle; a device for supply and winding of said strips around said spindle; and at least one knife (51) for cutting lengths of said tube being formed. The knife is provided with a reciprocating movement parallel to said spindle. There is moreover envisaged a counter-knife (57) within the tube being formed, provided with a movement of translation synchronized to the movement of translation of said knife. The counter-knife is magnetically constrained to a mover member (67, 71), which transmits the motion of translation to the counter-knife.
La présente invention concerne une machine destinée à la production de tubes qui comprend : un mandrin d~enroulement (4) autour duquel des bandes de matériau de type bande sont enroulées afin de former le tube (T) que l~on fait avancer le long du mandrin ; un dispositif permettant d~approvisionner en et d~enrouler lesdites bandes autour du mandrin ; et au moins un couteau (51) destiné à couper les longueurs dudit tube à former. Le couteau se voit conférer un mouvement de va-et-vient parallèle audit mandrin. En outre, un contre-couteau (57), auquel on confère un mouvement de translation synchronisé au mouvement de translation dudit couteau, est prévu dans le tube à former. Le contre-couteau est assujetti magnétiquement à un élément de déplacement (67, 71) qui transmet un mouvement de translation au contre-couteau.
Cigalini Giancario
Gelli Mauro
Maddaleni Romano
Fabio Perini S.p.a.
Ridout & Maybee Llp
LandOfFree
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