G - Physics
10
D
84/44
G10D 7/00 (2006.01)
Patent
CA 1104850
ABSTRACT OF THE DISCLOSURE: A wind instrument made up of a thin-walled inner part and a thin-walled outer pipe lying over the thin-walled inner pipe, the inner diameter of the outer pipe being greater than the outer diameter of the inner pipe whereby to define a hollow space therebetween and reinforcing ribs disposed within said hollow space and joining the aforesaid surfaces. The pipes and ribs are force-fitted together whereby to provide a reinforced integrated assembly.
309554
Robic Robic & Associes/associates
Toyama Musical Instrument Co. Ltd
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