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Earpiece and method for forming an earpiece

  • US 9,185,481 B2
  • Filed: 04/16/2013
  • Issued: 11/10/2015
  • Est. Priority Date: 03/18/2010
  • Status: Active Grant
First Claim
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1. A method of forming an earpiece, the method comprising steps of:

  • a) introducing into an ear canal of a user adjacent to the tympanic membrane a first layer forming a temporary foam layer;

    b) introducing into the ear canal adjacent to the first layer a second layer in liquefied form which comprises pigment particles and one or more polymer precursors;

    c) introducing into the ear canal adjacent to the second layer a third layer in liquefied form which comprises one or more polymer precursors; and

    d) curing the second layer and the third layer, simultaneously or sequentially, to form from the second layer a thermal activator layer comprised of a first polymer and pigment particles and to form from the third layer an acoustical reflector layer comprised of a second polymer.

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