Music – Instruments – Wind
Patent
1978-10-03
1981-12-22
Franklin, Lawrence R.
Music
Instruments
Wind
84380C, 84384, G10D 700
Patent
active
043064841
ABSTRACT:
A novel synthetic resin made wind instrument having high rigidity in spite of its thin-walled body portion and capable of producing sympathetic sounds with excellent timbre is provided according to this invention. The wind instrument provided according to the first embodiment of this invention comprises an inner pipe with a small wall thickness, an outer pipe also small in wall thickness, and a plurality of ribs provided in the hollow portion formed between said inner and outer pipes. The outer pipe is press-fitted over the inner pipe so that said both pipes are securely joined to each other. According to the second embodiment of this invention, there is provided a wind instrument composed of an inner pipe, an outer pipe and a plurality of ribs formed therebetween, wherein a rigidity reinforcement layer formed by metal plating or other means is provided in the surface areas defined by the external surface of the inner pipe and the side faces of the ribs. The third embodiment of this invention provides a wind instrument composed of an inner pipe, an outer pipe and a plurality of ribs arranged in the hollow portion formed between said both pipe members, wherein a metal pipe is mounted at the joint portion between the mouthpiece and the barrel or between the barrel and the foot pipe.
REFERENCES:
patent: 968694 (1910-08-01), Rubright
patent: 1801690 (1931-04-01), Prueter
patent: 1809380 (1931-06-01), Gulick
patent: 2208838 (1940-07-01), Ely
patent: 3487742 (1970-01-01), Mills
patent: 3643538 (1972-02-01), Toyama
patent: 3805665 (1974-04-01), Oouchi
Franklin Lawrence R.
Toyama Musical Instrument Co. Ltd.
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