Enhanced band earplug

Details Enhanced band earplug Enhanced band earplug

1997-10-22

1998-10-20

Dang, Khana

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181135, H04R 2502

Patent

active

058249664

ABSTRACT:
A noise blocking band earplug has a band (12) with outer portions (44, 46) that are bent to prevent the ear-engaging pods (20, 22) from touching the ground, whether placed right-side-up or upside-down on the ground. When the middle region (32) of the band rests on a horizontal surface (64), a band inner end part (70) extends at an upward incline (C) with its outer end forming a second bend (80) so the outer end part (72) extends at a downward incline (D), with the second bend preventing the pods from touching the ground when the earplug is laid upside-down. At the second bend (80), the largely vertical height (J) of the band is increased and its outer surface (102) is made convex to provide pods for more readily pressing the pods against the outside of the ear canals.

REFERENCES:
patent: 2498960 (1950-02-01), Mullin
patent: 2780681 (1957-02-01), Shaper
patent: 3667569 (1972-06-01), Mackey et al.
patent: 4819624 (1989-04-01), Leight et al.
patent: 5298691 (1994-03-01), Leight

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