A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
2/78, 2/70.1, 18
A61F 11/14 (2006.01)
Patent
CA 1195620
ABSTRACT OF THE DISCLOSURE EAR PROTECTING DEVICE An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from oppo- site portions of the connecting member. The muffs are per- meable to water vapor. Each said muff is at least partially porous. Each said muff has a specific airflow resistance of at least 15,000 SI rayls. Each said muff has a permeance of at least 2 metric perms.
434882
Cabot Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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