Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate

Full Title

Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (dislodging machines with slitting means E21C27/02, E21C27/10, E21C27/18) > Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate

Child Classifications

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• E21C 25/08 Mountings for the rods or drums
• E21C 25/10 Rods; Drums
• E21C 25/14 with equipment for cleaning the slit (associated with cutter chain machines E21C25/50)