| 摘要 |
A feed unit for feeding pieces of filter with reduced longitudinal dimensions comprises a feed device (3) for feeding a first series (4) of pieces (5) of filter, each divided into at least a first and a second piece (6, 7) of filter with reduced longitudinal dimensions; each piece (5) of filter of the first series (4) is positioned according to a first spacing (p1) relative to the next piece (5); the unit (1) comprises an aligning device (19) for aligning the first and second pieces (6, 7) of filter in a second series (20) of first and second pieces (6, 7) of filter having a second spacing (p2); the device (19) comprises a device (19) for varying the spacing from the first spacing (p1) of the first series (4) to the second spacing (p2) of the second series (20) of the first and second pieces (6, 7) of filter. |
