To provide a non-woven fabric perforating device having a perforating roller 4 and counter roller 5.
The perforating roller 4 and counter roller 5 form a gap 9 in which a non-woven fabric 6 to be perforated is passed through and perforated. A non-woven fabric perforating device 1 has a non-woven fabric supply device 8 and non-woven fabric feeding device 12. The non-woven fabric supply device 8 is arranged to be conveyed onto the counter roller 10 before the non-woven fabric 6 to be perforated is conveyed to the gap 9. The non-woven fabric feeding device 12 is arranged to keep located on the perforating roller 4 after the perforated non-woven fabric 10 leaves the gap 9. Further, a perforating method and the corresponding non-woven fabric can be utilized.
COPYRIGHT: (C)2007,JPO&INPIT
SODEMANN RALF
ROY INDRA
| JPH02216252A | 1990-08-29 | |||
| JPS5813769A | 1983-01-26 | |||
| JPS62144198A | 1987-06-27 | |||
| JPH0356792U | 1991-05-31 | |||
| JPS568224A | 1981-01-28 |
Takaaki Yasumura
Natsuki Morishita