Piano soundboard

Details Piano soundboard Piano soundboard

1978-12-15

1981-02-03

Franklin, Lawrence R.

Music

Instruments

Stringed

84195, 84212, G10C 306

Patent

active

042481244

ABSTRACT:
A soundboard for pianos is provided which is of laminated construction, comprising three plies. The top and bottom plies are of equal thickness and lie in planes parallel to one another. The grains of these plies are also parallel to one another. The center ply is of greater thickness than the sum of the outer plies, but of less thickness than twice the sum of the two outer plies. The grain of the center or core ply is at right angles to the grains of the two outer plies.

REFERENCES:
patent: 2674912 (1954-04-01), Petek
patent: 3641861 (1972-02-01), Andersen
patent: 3724312 (1973-04-01), Yamada et al.
patent: 4155284 (1979-05-01), Graves

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