| 摘要 |
<p>A slotting head of the kind comprising a carrier for at least one male slotting knife blade which is adapted to co-operate with female slotting knives to cut slots in corrugated board or similar material in a converting machine, characterised by the provision of single means, for securing the or each knife blade against movement around the periphery of the carrier and at least one further means angularly spaced from said single means, for securing same against lateral movement with respect to the carrier, whereby only said single means requires manipulation in order to adjust the angular position of the knife blade with respect to the periphery of the carrier.</p> |
