Vacuum formed guitar backs

Music – Instruments – Stringed

Patent

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Details

84267, 425388, 425438, G01D 300

Patent

active

056914911

ABSTRACT:
A back shell for guitars or similar musical instruments having sides that at the rim turn inward and then outward to produce a flange that the soundboard can be adhered to. With multi-part tooling, the back shell can be produced at a very low cost from sheet plastics using the vacuum form method of manufacture.

REFERENCES:
patent: 3290418 (1966-12-01), Best
patent: 3722345 (1973-03-01), Dopera
patent: 4090427 (1978-05-01), Kaman

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