www.foodengineeringmag.com/articles/88075-micro-perforation-systems
Micro-perforation systems
October 1, 2010

Used for the online or offline micro-perforation of film and other specialty materials, Schober VentPerf-Hot hot-perforation systems are suitable for packaging applications, ventilation applications and mold control. They come as either standalone systems with integrated unwind, rewind and web guiding, or can be integrated into a production line.
Schober USA; www.schoberusa.com