Earplug

Details Earplug Earplug

Category

A - Human Necessities

Subcategory

61

Subsubcategory

F

CPC

181/11.5

IPC codes

A61F 11/02 (1980.01)

Type

Patent

Patent number

CA 1105393

Description

ABSTRACT OF THE DISCLOSURE: A new earplug having a non-linear sound passage therein is disclosed. This plug shows excellent results in preventing sound of high frequencies, and does not give direct influence of atmospheric pressure changes to the ear. The plug is made of silicone, is light weighted and can be fit into the ear readily.

Application Number

315440

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Also associated with

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