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1. WO1991000589 - MUSICAL INSTRUMENT WITH A BOW, MADE OF A COMPOSITE MATERIAL

Publication Number WO/1991/000589
Publication Date 10.01.1991
International Application No. PCT/FR1990/000501
International Filing Date 03.07.1990
IPC
G10D 1/00 2006.01
GPHYSICS
10MUSICAL INSTRUMENTS; ACOUSTICS
DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
1General design of stringed musical instruments
CPC
G10D 3/22
GPHYSICS
10MUSICAL INSTRUMENTS; ACOUSTICS
DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
3Details of, or accessories for, stringed musical instruments, e.g. slide-bars
22Material for manufacturing stringed musical instruments; Treatment of the material
Applicants
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE [FR/FR]; 15, quai Anatole-France F-75700 Paris, FR (AllExceptUS)
  • BESNAINOU, Charles [FR/FR]; FR (UsOnly)
  • VAIEDELICH, Stéphane [FR/FR]; FR (UsOnly)
Inventors
  • BESNAINOU, Charles; FR
  • VAIEDELICH, Stéphane; FR
Agents
  • ROBERT, Jean-Pierre ; Cabinet Boettcher 23, rue la Boétie F-75008 Paris, FR
Priority Data
89/0904805.07.1989FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) MUSICAL INSTRUMENT WITH A BOW, MADE OF A COMPOSITE MATERIAL
(FR) INSTRUMENT DE MUSIQUE A ARCHET EN COMPOSITE
Abstract
(EN)
At least the sound board (1) consists of a thin wall in a composite material which includes the superposition of at least two layers (A, B, C, D etc.) on which long fibers, all lying in the same direction, have been laid. Said sound board has at least one of its surface covered with a covering material (Y, Z) whose density is considerably less than that of said fibers. The arrangement of fibre layers is such that the ratio longitudinal elasticity module/transversal elasticity module of the wall is at its maximum along the longitudinal axis of symmetry (9) of said wall, and decreases in the direction of the lateral edges of the instrument.
(FR)
Au moins la table d'harmonie (1) est constituée par une paroi mince en matériau composite comprenant une superposition d'au moins deux nappes (A, B, C, D..) croisées de fibres longues orientées, recouverte sur au moins l'une de ses faces d'un matériau de garniture (Y, Z) de densité nettement inférieure à celle des fibres, avec un arrangement des nappes de fibres tel que le rapport: module d'élasticité longitudinale/module d'élasticité transversale de la paroi est maximum le long de l'axe de symétrie longitudinal (9) de la paroi et décroit en direction des bords latéraux de l'instrument.
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