Patent ID: 7210484
Filing Date: 2007-05-01
Classification: A61F

Abstract:
1. An earplug having a body of elastomeric material, said body having an axis extending in front and rear directions and said body having a body front portion with an outer surface that is shaped for insertion into a person's ear canal to seal against ear canal walls and having a body rear portion that extends rearward of said body front portion, wherein: said body has a pocket that has pocket front and side walls that enclose a front and sides of said pocket, said pocket having a rear end that is blocked against the free passage of sound forwardly into said pocket; said body having a pocket front portion with a plurality of axially spaced internal baffles that each extends across a majority of the cross-sectional area of the pocket when the earplug is not compressed, with the baffles being free of connection to each other except through said pocket side walls.