Piano soundboard
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United States of America Patent
Stats
-
Feb 3, 1981
Grant Date -
N/A
app pub date -
Dec 15, 1978
filing date -
Dec 15, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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Cited Art Landscape
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