Method for making sound board

Details Method for making sound board Method for making sound board

1980-05-12

1982-10-12

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including use of vacuum

156245, 156286, 264102, 264135, 264138, 264257, B29C 1100, B29C 2710, B29D 302, B29G 700

Patent

active

043538622

ABSTRACT:
A fiber glass fabric reinforced wood sound board for a guitar is made by placing a sheet of wood in a shallow mold cavity with a layer of fiber glass fabric overlying an associated surface of the wood sheet, spreading a layer of liquid resinous compound over the layer of fabric to impregnate the fabric, providing a plate having a smooth surface, positioning the plate with its smooth surface in face-to-face engagement with the layer of liquid impregnating material to provide a substantial closure for the mold cavity, drawing vacuum on the mold cavity, and curing the liquid resinous material.

REFERENCES:
patent: 2013865 (1935-09-01), Sloan
patent: 2428325 (1947-09-01), Collins
patent: 3041217 (1962-06-01), Fennebresque et al.
patent: 3699836 (1972-10-01), Glasser
patent: 3880040 (1975-04-01), Kaman
patent: 3886248 (1975-05-01), Nicholson
patent: 4132755 (1979-01-01), Johnson

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