A - Human Necessities – 42 – B
Patent
A - Human Necessities
42
B
A42B 3/16 (2006.01) A61F 11/14 (2006.01) H04R 1/02 (2006.01) H04R 1/10 (2006.01)
Patent
CA 2054832
An ear-protection cup for ear muffs or headphones compri- sing a cup-shaped frame and a resilient sealing membe located at the peripheral edg thereof, by means of which the ear-protection cup can be brought into abutment with an annular shaped part of a user's head located around the ear. The frame is composed of a rigid, cup-shaped outer shell and an inner wall spaced from the outer shell and extending for a substantial way between the inner parts of the outer shell to which it is rigidly connected. The inner wall thus defines between itself and the outer shell an intermediate space in which a layer of elastomeric material is arranged compressed between the outer shell and the inner wall.
3m Svenska Aktiebolag
Smart & Biggar
LandOfFree
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