| 摘要 |
Burster apparatus for separating a continuous strip or web of material into portions, or sheets or the like, the strip customarily having spaced-apart score lines or the like, along which separation occurs. The apparatus has a plurality of spaced-apart pairs of rollers or cylinders having axially spaced peripheral grooves. The spaced relationship between pairs of rollers is adjustable. The rate of rotation of one pair of rollers is different from the rate of rotation of a pair of rollers which is adjacent thereto.
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