A cushioning conversion machine for converting stock material into a continuous strip of a cushioning product. The machine includes a stock-preparing assembly which prepares the stock material; a stock-shaping assembly which shapes the prepared stock material into a continuous...http://www.google.fr/patents/US5785639?utm_source=gb-gplus-shareBrevet US5785639 - Cushioning conversion machine for making a cushioning product having a shell and stuffing formed from separate plies
Cushioning conversion machine for making a cushioning product having a shell ...
