An apparatus for dispensing adhesive in an elongated strand or fiber in a controlled, spiral pattern upon a substrate comprises a dispensing device having a nozzle formed with an adhesive delivery passageway and an air delivery passageway both of which terminate at the base of the nozzle. A nozzle attachment...http://www.google.es/patents/US4969602?utm_source=gb-gplus-sharePatente US4969602 - Nozzle attachment for an adhesive dispensing device
Nozzle attachment for an adhesive dispensing device
