Disposable ear plug

Details Disposable ear plug Disposable ear plug

1981-06-15

1984-03-06

Recla, Henry J.

Surgery

Truss

Pad

A61F 1102

Patent

active

044347944

ABSTRACT:
An ear plug is described, which includes a shell formed of closed cell foam material, with the shell surface having a multiplicity of small bumps that also form the walls of cells which lie at the surface of the shell, whereby to avoid wrinkling when the shell is squeezed into the ear canal. A stem of resilient material lies freely moveable in the shell, and is short so it extends substantially no further than the open end of the shell.

REFERENCES:
patent: Re29487 (1977-12-01), Gardner, Jr.
patent: 2538339 (1951-01-01), Thomas
patent: 2888921 (1956-03-01), Nielson et al.
patent: 3352307 (1967-11-01), Bloxham
patent: 3523535 (1970-09-01), Croon
patent: 4160449 (1979-07-01), Wade

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