发明名称 DISPOSITIF POUR AMELIORER LE SON ET LE POIDS DES ACCORDEONS ET BANDONEONS AINSI QUE DES GUITARES, VIOLONS, CONTREBASSES A CORDES, CLARINETTES, PIANO, FLUTES, BATTERIE
摘要 The device for improving the sound of accordions and bandonions is characterized in that it is comprised of materials having a minimum hardness of 70 shores D, particularly of carbon fibre or other fibre compounds, or of composites (which may be coated for decorative purposes with materials having a lower or higher hardness), comprising platelets (1) arranged in the facing of the chest (4) by means of fixing elements (2). The chest (4) is fixed to an edge inside the case of the accordion (6) by screw elements (8). The sealing between the valves (12) and the plate on which they are bearing is improved by one or two lips (14), (15).
申请公布号 FR2576442(A1) 申请公布日期 1986.07.25
申请号 FR19850000819 申请日期 1985.01.18
申请人 PELLETIER MARCEL 发明人
分类号 G10D1/00;G10D7/00;G10D11/00;(IPC1-7):G10D11/00 主分类号 G10D1/00
代理机构 代理人
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