Mat testing apparatus

摘要

A mat testing apparatus having an enclosed test chamber with a moveable electrode platen that is cooperative with a stationary electrode platen to define a clearance space therebetween to receive a portion of a mat for testing its non-conductivity to a high electrical charge. Feed means are provided to index a predetermined length of matting that is cooperative with a let-off means and a take-up roll. The take-up feed is adjusted to its increasing size to provide for change in diameter size.