The static mixing device includes a tubular casing and at least one mixing element composed of individual webs which are secured in the wall of the casing. The webs are disposed in crossing relation to each other with a transverse spacing therebetween. The terminal ends of each web are secured within...http://www.google.es/patents/US4692030?utm_source=gb-gplus-sharePatente US4692030 - Static mixing device for viscous melts
