CPC B25J 19/00 (2013.01) [A63H 11/20 (2013.01); G10K 11/16 (2013.01); B25J 13/00 (2013.01); B32B 5/24 (2013.01)] | 15 Claims |
1. A soundproofing device comprising:
a first layer having a sound absorbing property; and
a second layer including at least one elastic fiber,
wherein the at least one elastic fiber includes a nylon-based fiber sewn into the soundproofing device.
|