Hearing protection device with damped material

Hearing protection device with damped material

  • CN 101,102,732 A
  • Filed: 01/19/2006
  • Published: 01/09/2008
  • Est. Priority Date: 01/21/2005
  • Status: Active Application
First Claim
Patent Images

1. , a kind of hearing protection comprises:

  • A sound attenuating main body;

    Wherein, described main body is made of a kind of like this material at least in part, and the damped coefficient that described material is had when frequency probably probably is 20-40 ℃

    for 1Hz, temperature range is general 0.10-0.30.

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