Ear protector for keeping down sound and associated filter

Details Ear protector for keeping down sound and associated filter Ear protector for keeping down sound and associated filter

A - Human Necessities

61

F

2/78, 2/70.1, 18

A61F 11/02 (1985.01)

Patent

CA 1221917

ABSTRACT An ear protector for keeping down sound in a personalized form by causing the insertion part to match the concha part of the auricle with an appendix that can open out in the auditory canal, said ear protector having a relatively wide duct (6), the widened part (7) of which receives a sound damping filter (1) having a bore (5) whereby the sound damping filter is arranged with satisfactory fit in the widened part (7) of the duct (6),whilst an elongate object (4) is placed in the bore (5) of the filter so that a free passage in the bore remains possible with a maximum difference in distance between the outer side of the elongate object and the inner side of` the bore of 0.33 mm at the narrowest passage.

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