A reinforced viral resistant seam for an article of protective apparel constructed by arranging first and second thermoplastic webs and at least one reinforcing strip thermally bondable with the webs along a common seam edge. An ultrasonic welding wheel having a cutting edge immediately adjacent to the...http://www.google.es/patents/US5879493?utm_source=gb-gplus-sharePatente US5879493 - Viral resistant seam for protective apparel, and method of manufacturing same
Viral resistant seam for protective apparel, and method of manufacturing same
