The Nock Cortex CB503 is an automatic derinding machines with conveyor belts with high cutting speed for use in large and medium sized meat processing industrial plants.  Perfect derinding results when derinding flat and high pieces, for example belly, back fat, rind cut to size, partial cuts, shoulder etc.  The Nock Cortex CB503 has a cutting speed: 29 m/min.

Product Features:

  • In-feed and output conveyor belt or output slide sheet
  • Blade gap infinitely adjustable
  • Spring suspended blade holder for perfect de-rinding results
  • Spring suspended pressure roller, additionally continuously variable in height
  • Tooth roller with scraper comb
  • Underframe, open to 4 sides, ease of access
  • NOCK POWER PLATES® for the outstanding robustness, durability and service friendliness and smooth, easy to clean surfaces
  • NOCK EASY-FLOW® safety cover for reliable product flow and better hygiene during processing
  • Conveyor belts can be removed within seconds without any tools
  • Lockable castors
  • Stainless steel construction and stainless steel bearings


  • Discharge conveyor belt for removed skin
  • Plastic modular belts
  • Inflated pressure balloon
  • NOCK ACTIVE SKIN GRIPPER ® ASG for higher yield, best quality of the rind and protection of the pressure wheels with perfect first cut