Drumhead construction

Details Drumhead construction Drumhead construction

1987-06-15

1988-10-25

Franklin, Lawrence R.

Music

Instruments

Drums

84413, G10D 1302

Patent

active

047795085

ABSTRACT:
A drumhead which includes a polyester film having a marginal flange bonded in a channel presented by metal hoop. Fiber reinforced polyester resin is poured into the channel and embeds the edge of the drumhead flange upon hardening. An inturned lip on the outside wall of the channel provides an interference fit with the resin to securely hold it in the channel. The upper edge of the inside wall of the channel is beveled at the same angle as the drumhead flange to provide a flat surface for the drumhead to seal against. A special spring clip is applied within the channel to secure the butt joint between opposite ends of the hoop.

REFERENCES:
patent: 2979981 (1961-04-01), Ludwig
patent: 3250169 (1966-05-01), Stone et al.
patent: 3418877 (1968-12-01), Ito

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