EP0639291B1 - Anche generatrice de sons pour instruments a vent - Google Patents

Anche generatrice de sons pour instruments a vent Download PDF

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Publication number
EP0639291B1
EP0639291B1 EP93911503A EP93911503A EP0639291B1 EP 0639291 B1 EP0639291 B1 EP 0639291B1 EP 93911503 A EP93911503 A EP 93911503A EP 93911503 A EP93911503 A EP 93911503A EP 0639291 B1 EP0639291 B1 EP 0639291B1
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EP
European Patent Office
Prior art keywords
reed
layer
fibres
strands
sheet
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP93911503A
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German (de)
English (en)
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EP0639291A1 (fr
Inventor
Harry Hartmann
Dieter Hahn
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HAHN, DIETER
HARTMANN, HARRY
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Individual
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Publication of EP0639291A1 publication Critical patent/EP0639291A1/fr
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/02—Mouthpieces; Reeds; Ligatures
    • G10D9/035—Reeds

Definitions

  • the invention relates to a sound-generating sheet for wind instruments made of fiber-reinforced plastic.
  • tone-generating sheet also known as the tongue
  • saxophones and clarinets have a mouthpiece to which the blade is attached in a suitable manner, for example by means of a ligature.
  • double-leaf instruments such as oboes and bassoons.
  • wooden leaves have the disadvantage that their durability is very limited and that their production is very expensive.
  • each wooden sheet must be imported: Every time the wooden sheet is attached to the mouthpiece of the instrument, so not only when an unused new sheet is used for the first time, it takes about a break-in period of about half an hour. During this time, the playing properties of the wood sheet change due to the absorption of moisture. The natural material is also very sensitive. Cracks often occur, particularly in the area of the blade tip, so that the blade becomes unusable.
  • the plastic base substance or matrix has at least one layer which has fiber strands running parallel to one another in one direction and in the longitudinal direction, some of which have material properties which differ from the other strands to dampen the vibrations of the sheet, results in a very good sound of the toner-stimulating sheet, at the same time its durability is much better than that of conventional plastic and wooden sheets.
  • An exemplary embodiment of a sheet is preferred in which individual of the unidirectional fiber strands comprise hollow fibers. These have proven particularly useful in influencing the sound properties of the toner-stimulating sheet.
  • a blank comprising hollow fibers for a sheet can be processed very easily.
  • the layer of unidirectional fiber strands is designed as a carbon fiber scrim.
  • a layer is relatively easy to manufacture.
  • a sheet designed in this way is characterized by particularly good sound qualities.
  • the toner-stimulating sheet in addition to a carrier layer, the fibers of which preferably run at right angles to one another, at least one support layer provided, which in turn has fibers, the fibers of which preferably run at right angles to one another and are arranged offset to the fibers of the carrier layer. Due to this structure, the sheet has a high stability and thus constant sound properties. The wear that occurs during use is also kept very low. In particular in the area of the front edge of the sheet — the sheet tip — cracks are avoided due to the offset fibers of the support and carrier layers.
  • an embodiment of the sheet is particularly preferred in which the carrier and / or support layers are arranged on the underside thereof and in which the layer with unidirectional fiber strands lies on these layers.
  • the underside of the blade is thus very stable and torsionally rigid, so that a good support on the mouthpiece of the wind instrument is guaranteed.
  • the sound qualities of the sheet are positively influenced by the position of unidirectional fiber strands lying over the support or stabilization layer.
  • an embodiment of a clay-producing blade is particularly preferred in which there are at least two layers in the region of the edge of the blade tip, the parting plane of which is arranged such that it is arranged approximately in the middle between the top and bottom of the blade edge. This ensures that in the particularly sensitive edge area, which tears frequently, there are at least two layers, the layers of which each result in the top and bottom of the leaf tip.
  • the fibers of the resulting layers are offset or rotated relative to one another, so that tearing of the edge of the tongue can be excluded with a particularly high degree of certainty.
  • Sound-producing sheets can be used for various types of wind instruments, in particular for saxophones and clarinets.
  • one sheet is attached to the mouthpiece of the instrument in such a way that an opening is almost closed there, the sheet then in its rear region, that is to say in the region of its shaft with a suitable tensioning device, preferably a ligature, is attached to the mouthpiece in such a way that the front end facing the mouth of the player, the tip of the blade, can swing freely over the opening in the mouthpiece.
  • a suitable tensioning device preferably a ligature
  • Sound-generating sheets of the type described below can also be used in wind instruments which have a double sheet, for example in oboes and bassoons.
  • two sound-generating blades are arranged opposite one another so that when the blades are blown on, an air column starts to vibrate, so that an air column vibrates inside the wind instrument, the length of which can be varied by opening and closing the openings provided in the wind instrument, so that tones of different heights are produced.
  • FIG. 1 shows a side view of a wind instrument 1, in which in the area of a mouthpiece 3 by means of a ligature 5 serving as a tensioning device, a sound-generating sheet 7 is tightened so that the sheet in the area of its shaft 9 firmly against the mouthpiece 3 of the wind instrument 1 is pressed, while the opposite end, the blade tip 11 of the blade 7, can swing over an opening in the mouthpiece 3 when the wind instrument is being played.
  • the ligature interacts, for example, with a ring spanning the mouthpiece 3, in the underside of which two clamping screws 13 are used a thread can be screwed in; these tighten the ring so that the shaft 9 of the blade 7 is pressed against the underside of the mouthpiece 3.
  • the blade can thus be held by reducing the circumference of the ring or by the direct action of the screws.
  • the design of the mouthpiece depends on the type of wind instrument and possibly also on its pitch.
  • FIG. 2 shows a greatly enlarged longitudinal section through a toner-stimulating sheet 7, as shown in FIG. 1.
  • the sectional view makes it clear that, in the exemplary embodiment shown here, two layers 17 and 19 are present on the underside 15 of the blade 7 closing the opening in the mouthpiece 3 shown in FIG. 1, of which the lower layer is a carrier layer 17 and the one above it is a support layer 19 referred to as.
  • the dividing plane 21 between the carrier and the support layer is indicated by a dashed line.
  • the support layer 17 runs together with the support layer 19 parallel to the underside 15 of the sheet 7.
  • the support layer 17 In the foremost area of the sheet tip 11, in the area of the edge 23, there are two layers, namely the support layer 17 and the support layer 19, whereby whose parting plane 21 is arranged so that it is approximately halfway between the Bottom 15 and the top 25 of the blade tip is located.
  • a support layer 17 and a support layer 19 are provided.
  • the number of these layers can be adapted to the size of the sheet and can also be determined depending on the desired sound qualities.
  • the top view of the front end of the blade 7 shown in FIG. 3 shows that the damping layers 29 and 27 end at a distance from the edge 23 of the blade tip 11 and that the supporting layer 19 of the blade 7 is visible in the foremost region.
  • the — although also schematic — representation of the sheet 7 in FIG. 3 shows that the damping layers have unidirectional fiber strands running approximately in the longitudinal direction of the sheet 7. Hatching indicates that individual fiber strands of the damping layers 29 and 27 are made of a different material.
  • Figure 3 there are hollow fiber strands within the individual damping layers 33 indicated. Instead of the strands formed from hollow fibers, fiber strands made of glass or aramid fibers but micro tubes made of flexible ceramic or hollow glass fibers can also be used, which have suitable damping properties.
  • the individual layers 27 and 29 end at an ever greater distance from the edge 23 of the blade tip 11 , the distance between the upper layers and the edge 23 being greater than that of the lowest layer 27. That is to say that the fiber strands running in one direction of the damping layer 27 lying directly on the support layer 19 extend almost to the front edge 23 of the blade tip 11 .
  • the thickness gradient shown in FIG. 2 can be selected to a greater or lesser extent so that the individual damping layers are correspondingly spaced from the front edge 23 of the sheet at a greater or lesser distance 7 ends.
  • a damping layer 35 is applied, the width of which is selected here such that its Long sides do not reach all the way to the lateral longitudinal edge of the leaf and the rear transverse side is approximately triangular and the front transverse side pointing towards the leaf tip is approximately trapezoidal.
  • the shape and extent of the damping layer 35 are in turn varied depending on the size of the sheet and the desired sound qualities. It is also possible to introduce the damping layer between two layers, but then the front end of the damping layer 35, which points in the direction of the edge 23 of the tongue 11, can be removed with the adjacent layers, so that the damping layer with that between the two adjacent layers of separating layer ends.
  • the damping layer is applied to the top of the sheet, is preferably glued on and is designed as a film, in particular as a self-adhesive film.
  • These stabilizing strands can in turn comprise hollow, aramid, kevlar, carbon fibers and / or also glass fibers.
  • the strands are used for the additional stabilization of the individual layers or of the sound-generating sheet 7.
  • These transverse fibers are softer than the fibers of the in the longitudinal direction oriented carbon fiber fabric, so that the sheet is stiffer in the longitudinal direction than in the transverse direction and thus has the typical properties of a sheet of cane.
  • the cross fibers reduce the risk of tearing the sheet, their thickness and number also determine the damping properties of the sheet.
  • FIG. 1 a cross section through the region of the shaft 9 of a blade 7 is shown in a highly schematic manner in FIG. It can be seen that the underside 15 of the sheet 7 is flat, and that the two lowest layers, the carrier layer 17 and the support layer 19, as well as their parting plane 21, run parallel to the underside 15 of the sheet 7.
  • the above-mentioned damping layers 27 and 29 are located above the carrier or support layer.
  • a cover layer 37 can also be provided here in the region of the shaft 9.
  • the sectional view shows that the top of the blade 7 has a curvature in the region of the shaft 9. It is possible that the top of the cover layer 37 follows the curvature of the rest of the sheet or is flat. With a flat design of the top of the cover layer 37, there is a particularly good contact surface for the clamping screws 13 of the ligature 5 (see FIG. 1). A blade 7 formed in this way can therefore be particularly securely attached to the mouthpiece of a wind instrument.
  • the sheet can also be made in other ways, for example by means of a textile tape on the mouthpiece of an instrument are attached, the design of the shaft 9 being adaptable to the fastening means. In addition, it is possible to insert an elastic tensioning body between the blade and ligature, so that the blade can swing freely.
  • the sound-generating sheet 7 described with reference to FIGS. 1 to 4 consists of plastic.
  • Several fiber layers are integrated in a plastic mass or matrix made of, for example, epoxy resin or phenolic resin.
  • the base of the sheet 7 forms a carrier layer 17 which has fiber strands which run at an angle of 90 ° to one another and which can only be placed one above the other or woven together.
  • the angle between the fiber strands can also be chosen to deviate from 90 °.
  • several carrier layers can also be used.
  • the fiber bundles of the carrier layer preferably consist of carbon fibers. For example, each layer is 12/100 mm thick. The width of a fiber bundle may be approximately 1 mm.
  • a support layer 19 is arranged above the carrier layer 17 and can in principle be constructed identically to the carrier layer. However, the orientation of the fiber bundles of the support layer is changed compared to the orientation of the fiber bundles of the carrier layer.
  • the fiber bundles of the support layer 19 may, for example, form an angle of 90 ° to one another and enclose 45 ° to the fiber bundles of the carrier layer.
  • the fiber bundles of the support layer can also have angles other than 90 ° to one another. This results in layers lying one above the other, the fiber strands of which have different angles to one another within a layer and from layer to layer.
  • the thickness of the support layer like that of the support layer, can be varied depending on the overall thickness of the sheet and its sound qualities.
  • the width of the fiber bundle which here is approximately 1 mm, can also be varied.
  • the thickness of the toner-stimulating sheet 7 is approximately 1/10 mm in the region of the edge 23 of the sheet tip 11.
  • the support and support layers are arranged in such a way that at least one support and support layer is present, the parting plane 21 of which is arranged approximately in the middle of the edge of the sheet, as was indicated in FIG. 2.
  • the carrier and support layers there are several layers of unidirectional fiber strands that are oriented in the longitudinal direction of the sheet and are preferably designed as carbon fiber scrims.
  • Individual fiber strands of the scrim are replaced by hollow fibers, for example osmosis fiber strands. Fibers that are used in dialysis can also be used. If necessary, different types of hollow fibers are combined. It is essential that these fiber strands introduced into the scrim have damping properties on the basis of which the sound of the sheet can be influenced.
  • Each hollow fiber strand can have, for example, 30 or approximately 120 hollow fibers, depending on the thickness and properties of the individual fibers, but the number and width of the hollow fiber strands is variable, and the number of individual fibers provided within these strands is also variable. In the embodiment shown here, the hollow fiber strands are just as wide as the fiber strands of the carbon fiber scrim.
  • the inside diameter of the hollow fibers is 20 ⁇ m, the outside diameter is 40 ⁇ m. These dimensions can be adapted to the desired sound and damping properties.
  • the damping of the movement of the sound-generating blade and thus its sound can be influenced by the number of hollow fiber strands.
  • Carbon fiber and carbon fiber strands are preferably selected in a ratio of 1: 1.
  • the carbon / hollow fiber fabric can be stabilized with 22 TEX using very fine, long-distance glass fibers.
  • the clay-producing sheet is produced in that the individual carrier, support and damping layers are embedded one above the other in the plastic matrix.
  • the base body can be heated to harden the plastic mass. Curing can also be done under pressure. The production of fiber composite materials and thus the Initial shape or the base body of the toner-stimulating sheet is known.
  • the top layer 37 mentioned in FIG. 4 can also be applied as the top layer, which in turn can represent a carbon fiber fabric, the fiber bundles of which in turn run at an angle of approximately 90 ° to one another.
  • the angle of these fiber strands can also be varied, and it is also possible to provide a plurality of covering layers lying one above the other.
  • the cover layer 37 preferably consists of the same number of layers as the carrier and support layers. It is only used to create symmetry so that the blank does not warp after the matrix has hardened.
  • the blade tip is worked out by a removal process, for example by grinding, in that the material of the blank is removed in the area of the so-called cut-out, so that the thickness of the blade 7 starting from the shaft 9 up to the front edge 23 of the blade tip 11 decreases more or less continuously.
  • the course of the thickness which results, for example, from the longitudinal section according to FIG. 2, can be selected as in the case of conventional sound-generating sheets and can be adapted to the desired sound properties.
  • the surface curvature can be worked out on the top 25 in the area of the shaft 9.
  • the underside 15 is ground flat. This is particularly important for working out the very fine blade tip 11, because otherwise it could dodge during later grinding and could thus have an undefined thickness. It is also possible that the tip of the blade will break out during grinding. By grinding the underside it is avoided that individual droplets disturbing the use and the sound form when playing the sheet; rather, a film of moisture is created on the underside of the leaf.
  • a damping layer 35 can be applied in the region of the top of the blade tip.
  • the material of this layer can be freely selected depending on the desired sound qualities.
  • a self-adhesive plastic film can be applied.
  • the shape of the damping layer 35 can in turn be selected depending on the size and the sound qualities of the sound-generating sheet. By varying the size and arrangement of the damping layer, the sound-producing sheet can be given characteristic sound qualities, as the individual player desires.
  • non-hollow aramid fibers can also be introduced into the damping layers. However, this results in a somewhat rougher surface of the sheet. This difference to clay-producing sheets with hollow fibers in the damping layers can be partially compensated for by a larger damping layer. Otherwise, as with the other embodiments, the top or the surface of the sheet can be provided with a lacquer layer, so that a smooth outer surface of the sheet is obtained. Schell-Lack has proven particularly successful.
  • a sound-generating sheet for an alto saxophone an embodiment has proven itself in which approximately 7 to 10 damping layers, a support layer and a carrier layer have been provided.
  • the thickness of this blade in the area of the shaft 9 is approximately 1.7 mm.
  • the number of layers must be increased for tone-producing sheets for tenor, baritone and bass saxophones, since in this case the sheet must be made thicker. With soprano and sopranino saxophones, the thickness of the reed must be reduced accordingly.
  • the underside 15 of the blade 7 is ground flat, with the carrier layer 17 being partially removed.
  • the top of the support layer 19 is also removed in the region of the edge 23 by the removal or grinding process, so that the parting plane 21 between the support and support layer lies approximately in the middle between the top 25 and bottom 15 of the blade tip 11 is coming.
  • the edge 23 of the blade tip 11 is given a special stability, so that tears can be avoided with a high degree of certainty.
  • microballoons can be introduced into the resin of the plastic matrix in one or more layers in order to influence the damping and thus the sound properties of the sheet. It is also possible to provide only some areas of the layers with such microballoons.
  • the materials for the microballoons for example inorganic silicates or glass, cork, fiber materials or the like - are selected depending on the desired properties of the sheet. A cork size of 0.01 to 0.018 mm has proven particularly useful.
  • Other resin fillers such as talcum powder, wood flour, glass fiber chips, cotton flakes, aluminum powder and the like can also be selected to set the desired damping properties.
  • the sound and damping properties of a sheet can also be influenced by the fact that the resin of the plastic matrix is provided with a flexibilizer, with the introduction of the flexibilizer in one or more layers or even in some areas of one or more layers .
  • the properties of the sheet can moreover be influenced by subsequently applying resins, lacquers and / or adhesives to the top and / or bottom of the sheet surface.
  • a continuous layer can be applied or only individual areas of the top or bottom of the sheet can be wetted.
  • Resin solutions containing methyl methacrylate have been particularly useful in the production of the plastic matrix, to which dibenzoyl peroxide is added, for example, as a hardener and N, N-diethanol-P-toluidine as an activator.
  • dibenzoyl peroxide for example, as a hardener and N, N-diethanol-P-toluidine as an activator.
  • pigments and / or fillers to reduce the density, for example microballoons made from inorganic silicates, to the various resins or add fibrous or powdery substances.
  • the bottom layers of the sheet, the support and the support layer are undamped. But here too, to influence the sound and damping properties, flexibilizers can be introduced and / or other additives, microballoons or fibrous fillers can be added. These can vary from layer to layer and may also only be introduced in some areas. If the damping layers have sufficient inherent stability, the support and / or support layer can also be dispensed with.
  • parting plane between the support and carrier layers should be arranged as far as possible in the middle of the outermost edge of the sheet 7.
  • a carbon fiber fleece which has no defined fiber orientation.
  • the grinding process in the area of the blade tip can be carried out independently of any parting plane, so that the manufacture of the blade is simplified.
  • the higher fiber content of the fleece also results in increased stability and tear resistance of the sheet.
  • the plastic matrix of the carbon fiber fleece can be provided with a resin to adjust the damping which is characterized by increased damping properties.
  • the lower layers of the sheet can optionally also be other layers than hybrid fabric, which is characterized in that carbon fibers are used in one fiber direction, while in another fiber direction which enclose an arbitrary angle with the first direction can, aramid and / or glass fibers are used. Particularly good sound properties have been found when using carbon fibers for the longitudinal fibers of the sheet.
  • the use of carbon fibers impregnated with resin has proven itself, which are pressed under pressure — possibly also under the influence of heat — into the shape of a blank or a sheet. In the latter case, grinding work can be omitted or at least greatly reduced.
  • the material of the sheet is characterized by a fiber content of 40% to 60%, preferably 50%.
  • the use of hollow fibers, the wall of which is porous and the material of which absorbs moisture, has proven particularly useful.
  • carbon, aramid and / or glass fibers can be used in all layers of the sheet.
  • the toner-stimulating leaf described here is characterized by a very long shelf life. Due to the particularly flat underside, which cannot swell when playing, can be very Achieve consistent sound quality even when the blade is used for a long time. Moreover, it is not necessary to import the sheet at the start of use. In the case of wood leaves, a certain swelling process of the wood fibers was required before the leaf had achieved the desired sound properties. This is not possible with the sound-generating sheet of the type described here and is also not necessary. The desired sound properties are achieved the first time the sheet is played.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Cleaning In Electrography (AREA)
  • Moulding By Coating Moulds (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Stringed Musical Instruments (AREA)

Claims (22)

  1. Anche pour instruments à vent en matière plastique renforcée par des fibres caractérisée en ce que la substance de base de la matière synthétique est stabilisée par au moins une couche (27, 29) dont les faisceaux de fibres (31), unidirectionnels, sont dirigés suivant la direction longitudinale de l'anche (7), et certains des faisceaux (33) ont des caractéristiques de matières différentes de celles des autres faisceaux pour amortir les vibrations de l'anche.
  2. Anche selon la revendication selon la revendication 1, caractérisée en ce que les différents faisceaux (33) comportent des fibres creuses.
  3. Anche selon la revendication 1 ou 2, caractérisée en ce que les différents faisceaux (33) sont des fibres de verre/aramide et/ou des tubes microscopiques en céramique souple.
  4. Anche selon l'une des revendications 1 à 3, caractérisée en ce que le nombre de fibres, la largeur et/ou l'épaisseur des différents faisceaux (31, 33) sont fixés en fonction des caractéristiques d'amortissement souhaitées.
  5. Anche selon l'une des revendication 1 à 4, caractérisée en ce que la couche (27, 29) de faisceaux de fibres unidirectionnels (31, 33) comprend des fibres de carbone.
  6. Anche selon l'une des revendications 1 à 4, caractérisée en ce que la couche (27, 29) est formée de faisceaux de fibres (31, 33), unidirectionnels, constitués par des couches de fibres de carbone.
  7. Anche selon l'une des revendications précédentes, caractérisée en ce que la couche (27, 29) de faisceaux de fibres, unidirectionnels, (31, 33) comporte des faisceaux de stabilisation dirigés transversalement.
  8. Anche selon la revendication 7, caractérisée en ce que les faisceaux de stabilisation sont des fibres de carbone, des fibres creuses, des fibres d'aramide, des fibres de verre et/ou des tubes microscopiques ou des fibres de céramique souple.
  9. Anche selon l'une des revendications précédentes, caractérisée en ce qu'en plus de la couche (27, 29), elle comporte au moins une couche de support (17) dont les fibres sont de préférence dirigées à angle droit.
  10. Anche selon la revendication 9, caractérisée en ce qu'en plus de la couche (27, 29) et de la couche de support (17), il est prévu au moins une couche d'appui (19) dont les fibres sont de préférence à l'équerre et sont notamment décalées par rapport aux fibres de la couche de support (17).
  11. Anche selon la revendication 9 et/ou la revendication 10, caractérisée en ce que la couche d'appui (19) et/ou la couche de support (17) utilisent des fibres de carbone, des fibres creuses, des fibres d'aramide ou des fibres de verre.
  12. Anche selon la revendication 9 et/ou 10 et/ou 11, caractérisée en ce que sur sa face inférieure (15) est disposée la couche de support (17) et/ou la couche d'appui (19) et en ce que la couche à faisceaux de fibres, unidirectionnels, (27, 29) est placée au-dessus de ses couches.
  13. Anche selon l'une des revendications précédentes, caractérisée en ce que son épaisseur diminue à partir d'un corps (9) au niveau de l'attaque jusqu'au bord avant (23).
  14. Anche selon l'une des revendications précédentes caractérisée en ce qu'au niveau du corps (9), l'épaisseur de l'anche (7) diminue à partir de sa ligne médiane imaginaire jusque vers ses bords longitudinaux.
  15. Anche selon l'une des revendications précédentes, caractérisée en ce qu'au niveau du corps (9), il y a environ sept couches d'amortissement (27, 29) superposées, comportant des faisceaux de fibres unidirectionnels (31, 33) et des couches d'appui (19) situées en dessous ainsi qu'une couche de support (17) inférieure.
  16. Anche selon l'une des revendications précédentes, caractérisée en ce que la face inférieure et/ou au moins la zone d'attaque est soumise à un procédé d'enlèvement de matière de préférence par ponçage.
  17. Anche selon l'une des revendications précédentes, caractérisée en ce qu'au niveau du bord (23) de la pointe (11) de l'anche, il y a au moins deux couches (17, 19) dont le plan de jonction (21) se trouve sensiblement au milieu entre le côté supérieur (25) et le côté inférieur (15) de la pointe de l'anche.
  18. Anche selon l'une des revendications 9, 11, 12 ou 15, caractérisée en ce que sa face inférieure (15) est aussi plane que possible et la couche de support (17) s'étend sur toute la face inférieure de l'anche (7).
  19. Anche selon l'une des revendications précédentes, caractérisée par une couche d'amortissement (35) prévue de préférence sur sa face supérieure (25) au niveau de la pointe (11) de l'anche.
  20. Anche selon la revendication 19, caractérisée en ce que le développement et la forme de la couche d'amortissement (35) sont choisis en fonction des caractéristiques de timbre souhaitées pour l'anche (7).
  21. Anche selon l'une des revendications 19 ou 20, caractérisée en ce que la couche d'amortissement (35) est formée par une feuille de préférence collée.
  22. Anche selon l'une des revendications précédentes, caractérisée par une couche de vernis notamment de gomme laque.
EP93911503A 1992-05-04 1993-04-24 Anche generatrice de sons pour instruments a vent Expired - Lifetime EP0639291B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4214336A DE4214336C2 (de) 1992-05-04 1992-05-04 Tonerregendes Blatt für Blasinstrumente
DE4214336 1992-05-04
PCT/EP1993/000996 WO1993022761A1 (fr) 1992-05-04 1993-04-24 Anche generatrice de sons pour instruments a vent

Publications (2)

Publication Number Publication Date
EP0639291A1 EP0639291A1 (fr) 1995-02-22
EP0639291B1 true EP0639291B1 (fr) 1996-07-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93911503A Expired - Lifetime EP0639291B1 (fr) 1992-05-04 1993-04-24 Anche generatrice de sons pour instruments a vent

Country Status (6)

Country Link
US (1) US5542331A (fr)
EP (1) EP0639291B1 (fr)
JP (1) JPH08504039A (fr)
AT (1) ATE140551T1 (fr)
DE (1) DE4214336C2 (fr)
WO (1) WO1993022761A1 (fr)

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WO1993022761A1 (fr) 1993-11-11
DE4214336A1 (de) 1993-11-11
DE4214336C2 (de) 1994-04-28
EP0639291A1 (fr) 1995-02-22
JPH08504039A (ja) 1996-04-30
US5542331A (en) 1996-08-06
ATE140551T1 (de) 1996-08-15

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