Music – Instruments – Rigid vibrators
Patent
1985-05-21
1987-03-17
Franklin, Lawrence R.
Music
Instruments
Rigid vibrators
G10D 1308
Patent
active
046497919
ABSTRACT:
In construction of a FRP sound bar preferably by lamination for percussive musical instruments, 30 to 80% by volume of reinforcing fibers are oriented in a resin matrix at least in the longitudinal direction of the sound bar and a plurality of longitudinal pores are almost uniformly distributed over the entire cross section of the sound bar, for easy and low cost production with ideal sound extension.
REFERENCES:
patent: 4411187 (1983-10-01), Roper et al.
Murase Yoshihiko
Sawada Shuichi
Franklin Lawrence R.
Nippon Gakki Seizo Kabushiki Kaisha
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