US 12,073,817 B2
Sound absorbing member, sound absorbing apparatus, and sound absorbing structure
Kiyoyuki Tomimatsu, Hamamatsu (JP); and Yoshikazu Honji, Hamamatsu (JP)
Assigned to Yamaha Corporation, Hamamatsu (JP)
Filed by Yamaha Corporation, Hamamatsu (JP)
Filed on May 4, 2021, as Appl. No. 17/307,666.
Application 17/307,666 is a continuation of application No. PCT/JP2018/040992, filed on Nov. 5, 2018.
Prior Publication US 2021/0256948 A1, Aug. 19, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G10K 11/172 (2006.01)
CPC G10K 11/172 (2013.01) 13 Claims
OG exemplary drawing
 
1. A sound absorbing member comprising:
a first end face;
a second end face opposite to the first end face; and
a side face positioned between the first end face and the second end face, wherein:
the sound absorbing member is insertable into an aperture provided on a plate-like or sheet-like base material;
the sound absorbing member has a tubular shape;
the first end face includes a first opening; and
the side face includes at least one second opening.