Ear protection cap with improved sound absorption

Details Ear protection cap with improved sound absorption Ear protection cap with improved sound absorption

1997-08-12

1998-10-06

Neas, Michael A.

Apparel

Head coverings

Convertible

128867, 181129, A01F 1102, G10K 1104

Patent

active

058158421

ABSTRACT:
An earmuff incorporating elevated sound attenuation. The earmuff comprises an outer cup (10') which connects with a sealing part. Arranged within the earmuff are a plurality of separating partitioning walls (14) which extend from the bottom wall (16) of the cup towards the sealing part. The partitioning walls (14) may be integral with the cup (10') or formed separately therefrom and loosely fitted thereinto.

REFERENCES:
patent: 3117575 (1964-01-01), Carrell et al.
patent: 3432861 (1969-03-01), Flagg
patent: 3506980 (1970-04-01), Aileo
patent: 3593819 (1971-07-01), Giraudeau
patent: 3875592 (1975-04-01), Aileo
patent: 4113053 (1978-09-01), Matsumoto et al.
patent: 4120382 (1978-10-01), Bschorr

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