A quilted pad is made by chopping post-industrial scrap foam into particles and blowing the chopped particles into an air cyclone. The cyclone separates the particles from the air stream and feeds them into a foam layout machine. The chopped foam particles are deposited across a fabric bottom carrier...http://www.google.es/patents/US20020015817?utm_source=gb-gplus-sharePatente US20020015817 - Quilted foam pad and method of making same from scrap foam
Quilted foam pad and method of making same from scrap foam
