The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2023
Filed:
Jul. 18, 2019
Fundacio Eurecat, Cerdanyola del Valles, ES;
German Anibal Perez LLanos, L'Hospitalet de Llobregat, ES;
Jose Antonio Marfil Romero, Cornella de Llobregat, ES;
Maria Eugenia Rodriguez Sierra, Cerdanyola del Valles, ES;
Maria del Carmen Verge Estefania, Tarragona, ES;
Encarnacion Escudero Martinez, Barcelona, ES;
Francisco Javier Planta Torralba, El Masnou, ES;
Fundacio Eurecat, Cerdanyola del Valles, ES;
Abstract
An ultrasonic device comprising a chamber () provided with an inlet bore (), which receives a melted pressurized polymer, an outlet bore () and a sonotrode housing bore () through which a distal portion () of an ultrasonic head () is inserted into the chamber, wherein the distal portion is separated from the rest of the ultrasonic head by a first nodal plane (PN) wherein there is a first surface (S) in contact with a complementary surface of a ring seal () that closes the chamber, and wherein the ultrasonic head includes a second nodal plane (PN) away from and parallel to the first nodal plane (PN) coinciding with or adjacent to a second surface (S) wherein an anchoring device () presses the ultrasonic head against the ring seal ensuring a tight closure.