Patent ID: 9107772
Filing Date: 2015-08-18
Classification: A61F,B29C,H04R

Abstract:
1. An apparatus for injecting a settable compound into an in-ear device having an inflow canal and an outflow canal both coupled to an expandable chamber for fitment into a wearer's ear canal, the apparatus comprising: a plurality of pressurizable component chambers for containing components of a settable compound, each said component chamber being pressurizable by a pressure mechanism at a predetermined chamber pressure level; a relief chamber being in contact with said pressure mechanism for being depressurizable thereby; a mixing element connected to all of the component chambers via a plurality of respective valves positioned therebetween, all said respective valves being simultaneously openable; a first tube for connecting the mixing element to the in-flow canal of an in-ear device; and a second tube for connecting the relief chamber to the out-flow canal of the in-ear device: wherein, upon simultaneous opening of each said respective valves, each of the components of the settable compound automatically flowing toward said mixing element and said first tube from respective said pressurized component chambers, with said second tube and relief chamber simultaneously allowing air entrapped into the expandable chamber of the in-ear device and excess of the settable compound to flow thereto.