Method for making flexible, noncarpeted thermoplastic articles, including floor mats. The method includes placing a flat slab of thermoplastic material in a cavity between first and second mold sections with each mold section having a mold surface for contacting a respective surface of the slab. The...http://www.google.es/patents/US6099771?utm_source=gb-gplus-sharePatente US6099771 - Vacuum compression method for forming molded thermoplastic floor mat having a "Class A" finish
Vacuum compression method for forming molded thermoplastic floor mat having ...
