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:
Nov. 21, 2023
Filed:
Jul. 12, 2019
Fundacio Eurecat, Cerdanyola del Valles, ES;
Marcel Janer Angelet, Barcelona, ES;
Jose Antonio Marfil Romero, Cornella de Llobregat, ES;
David Montes Cobo, Sabadell, ES;
Francisco Javier Planta Torralba, El Masnou, ES;
Fundacio Eurecat, Cerdanyola del Valles, ES;
Abstract
An ultrasonic device comprising a fusion chamber () with an inlet bore () for a polymer in pellet, powder or tablet form, a plunger that modifies the volume of the fusion chamber, an outlet bore () that communicates with a mould (), a sonotrode bore () through which a distal portion () of an ultrasonic head () is inserted into the fusion chamber, wherein the distal portion is separated from the rest of the ultrasonic head by a first nodal plane (PN) in correspondence of a first surface (S) in contact with a complementary surface of a ring seal () that closes the fusion chamber, the ultrasonic head including a second nodal plane (PN) away from and parallel to the first nodal plane in correspondence of or adjacent to a second surface (S) wherein an anchoring device () presses the ultrasonic head against the ring seal ensuring a tight closure.