EP2590161A1 - Method for manufacturing mouthpiece for single reed wind instrument, and mouthpiece obtained from the application of the method - Google Patents

Method for manufacturing mouthpiece for single reed wind instrument, and mouthpiece obtained from the application of the method Download PDF

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Publication number
EP2590161A1
EP2590161A1 EP12190834.7A EP12190834A EP2590161A1 EP 2590161 A1 EP2590161 A1 EP 2590161A1 EP 12190834 A EP12190834 A EP 12190834A EP 2590161 A1 EP2590161 A1 EP 2590161A1
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EP
European Patent Office
Prior art keywords
spout
manufacturing
wind instrument
mouthpiece
reed
Prior art date
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.)
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EP12190834.7A
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German (de)
French (fr)
Inventor
Jean Jeltsch
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Universite Sciences Humaines Et Sociales Lille 3
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Universite Sciences Humaines Et Sociales Lille 3
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Publication of EP2590161A1 publication Critical patent/EP2590161A1/en
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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
    • G10D7/00—General design of wind musical instruments
    • G10D7/06—Beating-reed wind instruments, e.g. single or double reed wind instruments
    • 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
    • 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
    • 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
    • G10D9/08—Material for manufacturing wind musical instruments; Treatment of the material

Definitions

  • the present invention relates to a method for manufacturing a single reed wind instrument nozzle and a nozzle obtained by implementing said method.
  • the invention will advantageously find a first application in the manufacture of a saxophone mouthpiece alto type, however this application is not limiting and the manufacturing process can be used also for the realization of other types of mouthpiece compatible with saxophones ranging from sopranino to bass saxophone or compatible with clarinets ranging from clarinet in E flat to bass clarinet.
  • Two main methods of manufacturing a wind instrument nose are known, namely a first method, the blank of which is obtained by turning, and a second method in which the blank is produced by molding.
  • the first method consists of roughing the beak from an ebonite cylinder on a lathe and then polishing the blank and successively carrying out numerous machining operations of the blank in order to form the different parts of the beak. namely mainly the piercing of the chamber, the milling of the table, the light and the end of the spout, and the slotting of the sound chamber.
  • the method also comprises a step of laying the cork on the tenon.
  • This first method then consists in ensuring the finish by correcting the thickness of the mouth, the side of the table and manually correcting the roundness of the light, flanks and ceiling.
  • the beak can be obtained from a draft of the beak molded in ebonite. This blank then undergoes many machining operations, until obtaining the appropriate geometry the spout, and in particular a machining of the table, the chin and a manual finish for the interior of the spout to adjust the shape of the room. As in the first process, polishing of the different parts of the spout and the positioning of the cork on the post are carried out during the manufacturing process.
  • the subject of the present invention is a method for manufacturing a single-reed wind instrument mouthpiece that overcomes the disadvantages of prior methods.
  • One of the main objectives of the invention is to provide a method of manufacturing a spout requiring no manual finishing operation.
  • Another objective is to propose a manufacturing method for obtaining an instrument of awakening and initiation having good sound qualities.
  • Another objective is to propose a method allowing the use of plastic materials for making a nozzle that does not require maintenance.
  • Another objective is to provide a manufacturing method for the production of colored nozzles, the different colorations for a visual identification of the type of bill.
  • the invention relates to a method for manufacturing a reed wind instrument mouthpiece comprising, according to the invention, a single injection molding step of a polymer compound in a mold comprising a lower shell, an upper shell with a protrusion and a tapered movable core, said core and said projection defining the interior volume of said spout.
  • the invention also relates to a single reed wind instrument mouthpiece obtained by the implementation of the aforementioned method, said nose having a conical bore and a window edge substantially perpendicular to the axis of the table allowing the manufacture of the mouthpiece in one injection molding step.
  • FIG. 1 there is shown a mold 1 for the formation of a spout compatible with a saxophone mouthpiece.
  • nozzle obtained by the method according to the invention can also be used for the creation of new instruments or for performing experimental musical practices.
  • the beak described is a saxophone mouthpiece, however other types of mouthpieces particularly adapted for the clarinet can be obtained in an identical manner by the skilled person.
  • the mold 1, as represented in the Figures 1 and 2 allows the manufacture of a beak in a single step of injection molding a polymer compound.
  • the mold 1 is in two parts or shells namely a lower shell 2 and an upper shell 3.
  • This impression 4 will allow to substantially define the front face of the beak, that is to say, able to receive the reed while the footprint 5 of the shell lower 2 will allow to substantially define the rear face of said beak.
  • the upper shell 3 comprises a projection 6, while there is also provided a conical mobile core 7 to be placed between the impressions 4 and 5 before the injection.
  • This core 7 and said projection 6 occupy during injection a space that corresponds to the interior volume of said spout.
  • the molding operation does not make it possible to obtain the interior volume of the spout and requires many additional operations taking into account the final geometry of the spout.
  • the beak is cylindrical and therefore can not be obtained by insertion into the mold of a core because the latter could not be extracted during demolding.
  • the table of the reed is beveled above the chamber which also prevents the obtaining of a beak by a single injection step.
  • a spout with a particular geometry, so that two elements of the mold 1 namely the core 7 and the projection 6 are sufficient to define the interior volume of the spout.
  • the nozzle can be obtained in a single injection step and then immediately removed from the mold 1 after pressing. To do this, the mobile core 7 is ejected, after pressing, by means of a sliding rod 8 secured to said core 7.
  • the spout 9 has a particular geometry enabling it both to have good acoustic qualities while having a form compatible with injection molding.
  • the spout 9 comprises a table 13, a conical bore 10 and a window 11 whose edge 12 is substantially perpendicular to the axis of the table 13.
  • the inner dimensions of the spout 9 are modified with respect to a conventional spout. However, the total interior volume of the spout 9 is identical to the interior volume of a conventional mouthpiece of the same sound.
  • the average diameter of the core 7 which is calculated to take into account the volume to recover from a conventional beak.
  • the upper shell 3 comprises at least two recesses 18. These two recesses 18 allow the formation on the beak of ridges 19, advantageously arranged on either side of the table 13 and visible this time by referring to Figures 3 to 5 . These ridges 19 are able to come to receive a reed, more precisely the spacing between these edges 19 corresponds to the width of a reed that can be inserted between these edges 19. It is also expected, as shown in FIG. figure 5 , an additional edge 19 disposed on the table 13 and constituting a support for the lower edge of the reed.
  • the lower shell 2 comprises at least one bead 20.
  • This bead 20 makes it possible to form in the spout 1 a receiving zone 21 adapted to receive a retaining link of the reed, such as a deformable ring, this ring , not shown in the accompanying drawings, being positioned by sliding in the bead 20 and coming to press the lower part of the reed against the table 13.
  • the nozzle is intended for clarinet-type instruments, for which it is the pin of the nose which is inserted into the barrel, it is intended to adapt the shape of the contour so that the latter fits tightly into the barrel.
  • the end to be inserted into the barrel has a section of substantially constant diameter from the edge of the nose followed by a section of increasing diameter.
  • the spout 1 is made of a polymer material of the acrylonitrile butadiene styrene (ABS) type, or of the polycarbonate (PC) type or else of the poly (methyl methacrylate) (PMMA) type, however other injectable polymeric materials are also conceivable, especially in the styrenics family.
  • ABS acrylonitrile butadiene styrene
  • PC polycarbonate
  • PMMA poly (methyl methacrylate)
  • the spout 9 is therefore entirely manufactured from a reliable manufacturing process limiting complex manual operations, the spout 9, primarily intended for awakening and study, having very good acoustic qualities.
  • the manufacturing method provides a polymer staining step allowing a user to visually identify the beak by its color.
  • a given beak for example yellow, may correspond or be adapted to a given instrument or a given level of practice or for a given style of music.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The method involves performing an injection molding of a polymeric compound in a mold (1) comprising a lower shell (2), an upper shell (3) with a projection (6) and a conical mobile core, where the conical mobile core and the projection define interior volume of a mouthpiece. The conical mobile core is ejected by a sliding tube (8) subjected to the core after pressing the mouthpiece. Edges for receiving a simple reed of wind instrument are formed by a hollow part of the upper shell. An independent claim is also included for a mouthpiece of a single reed wind instrument.

Description

La présente invention concerne un procédé de fabrication d'un bec pour instrument à vent à anche simple ainsi qu'un bec obtenu par la mise en oeuvre dudit procédé.The present invention relates to a method for manufacturing a single reed wind instrument nozzle and a nozzle obtained by implementing said method.

L'invention trouvera avantageusement une première application dans la fabrication d'un bec de saxophone de type alto, toutefois cette application n'est pas limitative et le procédé de fabrication pourra être utilisé également pour la réalisation d'autres types de bec compatibles avec des saxophones allant du sopranino au saxophone basse ou encore compatibles avec des clarinettes allant de la clarinette en mi bémol à la clarinette basse.The invention will advantageously find a first application in the manufacture of a saxophone mouthpiece alto type, however this application is not limiting and the manufacturing process can be used also for the realization of other types of mouthpiece compatible with saxophones ranging from sopranino to bass saxophone or compatible with clarinets ranging from clarinet in E flat to bass clarinet.

ARRIERE PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

On connaît deux principaux procédés de fabrication d'un bec d'instrument à vent à savoir un premier procédé dont l'ébauche du bec est obtenue par tournage et un second procédé dans lequel l'ébauche est réalisée par moulage.Two main methods of manufacturing a wind instrument nose are known, namely a first method, the blank of which is obtained by turning, and a second method in which the blank is produced by molding.

Plus précisément le premier procédé consiste à ébaucher le bec à partir d'un cylindre en ébonite sur un tour puis à polir l'ébauche et à réaliser successivement de nombreuses opérations d'usinage de l'ébauche afin de venir former les différentes parties du bec à savoir principalement le percement de la chambre, le fraisage de la table, de la lumière et de l'extrémité du bec, et le mortaisage de la chambre sonore. Le procédé comporte également une étape de pose du liège sur le tenon.More specifically, the first method consists of roughing the beak from an ebonite cylinder on a lathe and then polishing the blank and successively carrying out numerous machining operations of the blank in order to form the different parts of the beak. namely mainly the piercing of the chamber, the milling of the table, the light and the end of the spout, and the slotting of the sound chamber. The method also comprises a step of laying the cork on the tenon.

Ce premier procédé consiste ensuite à assurer la finition en venant rectifier l'épaisseur de la bouche, la côte de la table et en rectifiant manuellement l'arrondi de la lumière, des flancs et du plafond.This first method then consists in ensuring the finish by correcting the thickness of the mouth, the side of the table and manually correcting the roundness of the light, flanks and ceiling.

Une fois la géométrie finale du bec obtenue, on réalise encore des opérations de polissage et de brossage conférant au bec son aspect final.Once the final geometry of the nozzle obtained, we still carry out polishing and brushing operations giving the beak its final appearance.

Selon le second procédé de fabrication, le bec peut être obtenu à partir d'une ébauche du bec moulée dans de l'ébonite. Cette ébauche subit ensuite de nombreuses opérations d'usinage, jusqu'à l'obtention de la géométrie adéquate du bec, et notamment un usinage de la table, de la mentonnière et une finition manuelle pour l'intérieur du bec afin d'ajuster la forme de la chambre. Comme dans le premier procédé, on réalise en cours de fabrication le polissage des différentes parties du bec et le positionnement du liège sur le tenon.According to the second manufacturing method, the beak can be obtained from a draft of the beak molded in ebonite. This blank then undergoes many machining operations, until obtaining the appropriate geometry the spout, and in particular a machining of the table, the chin and a manual finish for the interior of the spout to adjust the shape of the room. As in the first process, polishing of the different parts of the spout and the positioning of the cork on the post are carried out during the manufacturing process.

Les deux procédés précités sont largement éprouvés et permettent de réaliser des becs présentant d'excellentes sonorités, avec toutefois des défauts d'homogénéité entre les becs d'une même série compte tenu de la fabrication partiellement manuelle. Le principal inconvénient de ces procédés est toutefois qu'ils impliquent de nombreuses opérations manuelles entraînant à la fois un temps de fabrication important et des coûts de fabrication élevés.The two aforementioned methods are widely tested and make it possible to make beaks having excellent sonorities, with however defects of homogeneity between the beaks of the same series taking into account the partially manual manufacture. The main disadvantage of these processes is however that they involve many manual operations involving both a significant manufacturing time and high manufacturing costs.

Un autre inconvénient est que les becs obtenus sont relativement fragiles car sensibles aux chocs et également à l'humidité et à la chaleur, notamment au niveau du liège du tenon qui doit être régulièrement graissé.Another disadvantage is that the beaks obtained are relatively fragile because sensitive to shocks and also to moisture and heat, especially at the cork of the post which must be regularly greased.

Ces becs devraient être réservés à des musiciens amateurs ou expérimentés et non pas destinés également à l'éveil ou à l'initiation musicale. A ce jour il n'existe toutefois pas d'alternatives satisfaisantes à ces becs pour des pratiques d'initiation ou d'éveil, c'est-à-dire un bec de fabrication aisé pouvant être obtenu à des coûts faibles et présentant à la fois une bonne sonorité, une facilité d'utilisation permettant un usage pour les débutants et présentant en outre une bonne résistance mécanique. Ce manque est d'autant plus regrettable qu'il est important que chaque élève possède son propre bec, notamment pour des questions d'hygiène, ce qui compte tenu des coûts actuels n'est tout simplement pas envisageable par exemple lorsqu'il s'agit de faire une initiation musicale dans un établissement scolaire.These mouthpieces should be reserved for amateur or experienced musicians and not intended also for awakening or musical initiation. To date, however, there are no satisfactory alternatives to these nozzles for initiation or awakening practices, that is to say an easy to manufacture beak that can be obtained at low costs once a good sound, ease of use allowing use for beginners and also having good mechanical strength. This lack is all the more regrettable because it is important that each pupil has his own beak, especially for hygiene reasons, which in view of the current costs is simply not conceivable, for example when he is to make a musical initiation in a school.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

La présente invention a pour objet un procédé de fabrication d'un bec d'instrument à vent à anche simple palliant les inconvénients des procédés antérieurs.The subject of the present invention is a method for manufacturing a single-reed wind instrument mouthpiece that overcomes the disadvantages of prior methods.

Un des objectifs principaux de l'invention est de proposer un procédé de fabrication d'un bec ne nécessitant aucune opération de finition manuelle.One of the main objectives of the invention is to provide a method of manufacturing a spout requiring no manual finishing operation.

Un autre objectif est de proposer un procédé de fabrication permettant l'obtention d'un instrument d'éveil et d'initiation présentant de bonnes qualités sonores.Another objective is to propose a manufacturing method for obtaining an instrument of awakening and initiation having good sound qualities.

Un autre objectif est de proposer un procédé permettant l'utilisation de matériaux plastiques pour la réalisation d'un bec ne nécessitant pas d'entretien.Another objective is to propose a method allowing the use of plastic materials for making a nozzle that does not require maintenance.

Un autre objectif est de proposer un procédé de fabrication permettant la fabrication de becs colorés, les différentes colorations permettant une identification visuelle du type de bec.Another objective is to provide a manufacturing method for the production of colored nozzles, the different colorations for a visual identification of the type of bill.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

A cet effet l'invention concerne un procédé de fabrication d'un bec d'instrument à vent à anche simple comportant, selon l'invention, une étape unique de moulage par injection d'un composé polymère dans un moule comportant une coquille inférieure, une coquille supérieure avec une saillie et un noyau mobile conique, ledit noyau et ladite saillie définissant le volume intérieur dudit bec.For this purpose, the invention relates to a method for manufacturing a reed wind instrument mouthpiece comprising, according to the invention, a single injection molding step of a polymer compound in a mold comprising a lower shell, an upper shell with a protrusion and a tapered movable core, said core and said projection defining the interior volume of said spout.

L'invention vise également un bec d'instrument à vent à anche simple obtenu par la mise en oeuvre du procédé précité, ledit bec comportant une perce conique et un bord de fenêtre sensiblement perpendiculaire à l'axe de la table permettant la fabrication du bec en une étape de moulage par injection.The invention also relates to a single reed wind instrument mouthpiece obtained by the implementation of the aforementioned method, said nose having a conical bore and a window edge substantially perpendicular to the axis of the table allowing the manufacture of the mouthpiece in one injection molding step.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

La présente invention sera mieux comprise à la lecture d'un exemple détaillé de réalisation en référence aux dessins annexés, fournis à titre d'exemple non limitatif, parmi lesquels :

  • la figure 1 représente, selon une première vue en perspective un exemple de réalisation d'un moule conforme à l'invention,
  • la figure 2 représente l'exemple de la figure 1 selon une seconde vue en perspective,
  • la figure 3 représente, en vue de face, la coquille supérieure selon l'exemple des figures 1 et 2,
  • la figure 4 représente en vue de face, la coquille inférieure selon l'exemple des figures 1 et 2,
  • la figure 5 représente, selon une vue schématique latérale, un bec obtenu par la mise en oeuvre du procédé conforme à l'invention,
  • la figure 6 représente une vue de dessus du bec représenté à la figure 5,
  • la figure 7 représente une vue du bec selon la coupe longitudinale A-A représenté à la figure 6,
  • les figures 8a à 8d représentent quatre vues en perspectives d'un bec obtenu par la mise en oeuvre du procédé conforme à l'invention.
The present invention will be better understood on reading a detailed example of embodiment with reference to the accompanying drawings, provided by way of non-limiting example, among which:
  • the figure 1 represents, in a first perspective view, an embodiment of a mold according to the invention,
  • the figure 2 represents the example of the figure 1 according to a second perspective view,
  • the figure 3 represents, in front view, the upper shell according to the example of Figures 1 and 2 ,
  • the figure 4 represents in front view, the lower shell according to the example of Figures 1 and 2 ,
  • the figure 5 represents, in a schematic lateral view, a nozzle obtained by the implementation of the process according to the invention,
  • the figure 6 represents a top view of the spout represented in figure 5 ,
  • the figure 7 represents a view of the bill in longitudinal section AA shown in FIG. figure 6 ,
  • the Figures 8a to 8d represent four perspectives views of a nozzle obtained by the implementation of the method according to the invention.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

En se reportant principalement aux figures 1 et 2, on voit représenté un moule 1 pour la formation d'un bec compatible avec un bec saxophone.Referring mainly to Figures 1 and 2 , there is shown a mold 1 for the formation of a spout compatible with a saxophone mouthpiece.

On pourra également aisément transposer le procédé de fabrication pour la réalisation d'un bec devant s'adapter à des terminaisons diverses et variées telles que, par exemple, à des tubes plastiques. Le principe est que le bec, obtenu par le procédé selon l'invention puisse servir également à la création de nouveaux instruments ou pour réaliser des pratiques musicales expérimentales.It will also be easy to transpose the manufacturing process for the production of a spout to be adapted to various and varied terminations such as, for example, to plastic tubes. The principle is that the nozzle, obtained by the method according to the invention can also be used for the creation of new instruments or for performing experimental musical practices.

Dans la description détaillée, le bec décrit est un bec de saxophone, toutefois d'autres types de becs notamment adaptés pour la clarinette pourront être obtenus de manière identique par l'homme du métier. Le moule 1, tel que représenté dans les figures 1 et 2, permet la fabrication d'un bec en une étape unique de moulage par injection d'un composé polymère.In the detailed description, the beak described is a saxophone mouthpiece, however other types of mouthpieces particularly adapted for the clarinet can be obtained in an identical manner by the skilled person. The mold 1, as represented in the Figures 1 and 2 , allows the manufacture of a beak in a single step of injection molding a polymer compound.

A cet effet le moule 1 est en deux parties ou coquilles à savoir une coquille inférieure 2 et une coquille supérieure 3.For this purpose the mold 1 is in two parts or shells namely a lower shell 2 and an upper shell 3.

En se reportant à la figure 3, on voit l'empreinte 4 de la coquille supérieure 3. Cette empreinte 4 va permettre de définir sensiblement la face avant du bec, c'est-à-dire celle apte à réceptionner l'anche tandis que l'empreinte 5 de la coquille inférieure 2 va permettre de définir sensiblement la face arrière dudit bec.Referring to the figure 3 , we see the impression 4 of the upper shell 3. This impression 4 will allow to substantially define the front face of the beak, that is to say, able to receive the reed while the footprint 5 of the shell lower 2 will allow to substantially define the rear face of said beak.

Selon l'invention, la coquille supérieure 3 comprend une saillie 6, tandis que l'on prévoit également un noyau mobile conique 7 à placer entre les empreintes 4 et 5 avant l'injection. Ce noyau 7 et ladite saillie 6 occupent lors de l'injection un espace qui correspond au volume intérieur dudit bec.According to the invention, the upper shell 3 comprises a projection 6, while there is also provided a conical mobile core 7 to be placed between the impressions 4 and 5 before the injection. This core 7 and said projection 6 occupy during injection a space that corresponds to the interior volume of said spout.

Dans les procédés de fabrication classiques par moulage, l'opération de moulage ne permet pas d'obtenir le volume intérieur du bec et nécessite de nombreuses opérations supplémentaires compte tenu de la géométrie finale du bec. En effet classiquement la perce du bec est cylindrique et par conséquent ne peut être obtenue par insertion dans le moule d'un noyau car ce dernier ne pourrait pas être extrait lors du démoulage. De plus la table de l'anche est taillée en biseau au-dessus de la chambre ce qui empêche également l'obtention d'un bec par une unique étape d'injection.In conventional molding manufacturing processes, the molding operation does not make it possible to obtain the interior volume of the spout and requires many additional operations taking into account the final geometry of the spout. In fact conventionally the beak is cylindrical and therefore can not be obtained by insertion into the mold of a core because the latter could not be extracted during demolding. In addition the table of the reed is beveled above the chamber which also prevents the obtaining of a beak by a single injection step.

Dans la présente invention, on prévoit un bec avec une géométrie particulière, de sorte que deux éléments du moule 1 à savoir le noyau 7 et la saillie 6 suffisent à définir le volume intérieur du bec. Le bec peut donc être obtenu en une seule étape d'injection puis être retiré immédiatement du moule 1 après pressage. Pour ce faire, on éjecte, après pressage, le noyau mobile 7, au moyen d'une tige coulissante 8 assujettie audit noyau 7.In the present invention, there is provided a spout with a particular geometry, so that two elements of the mold 1 namely the core 7 and the projection 6 are sufficient to define the interior volume of the spout. The nozzle can be obtained in a single injection step and then immediately removed from the mold 1 after pressing. To do this, the mobile core 7 is ejected, after pressing, by means of a sliding rod 8 secured to said core 7.

En se reportant cette fois aux figures 5 à 7, on voit représenté, de manière schématique, le bec 9 obtenu par la mise en oeuvre du procédé précité. Comme indiqué plus haut, le bec 9 a une géométrie particulière lui permettant à la fois de présenter de bonnes qualités acoustiques tout en présentant une forme compatible avec un moulage par injection. Ainsi, le bec 9 comporte une table 13, une perce conique 10 et une fenêtre 11 dont le bord 12 est sensiblement perpendiculaire à l'axe de la table 13.Referring this time to Figures 5 to 7 schematically shows the nozzle 9 obtained by the implementation of the aforementioned method. As indicated above, the spout 9 has a particular geometry enabling it both to have good acoustic qualities while having a form compatible with injection molding. Thus, the spout 9 comprises a table 13, a conical bore 10 and a window 11 whose edge 12 is substantially perpendicular to the axis of the table 13.

Les dimensions intérieures du bec 9 sont modifiées par rapport à un bec classique. Toutefois le volume intérieur total du bec 9 est identique au volume intérieur d'un bec classique de même sonorité.The inner dimensions of the spout 9 are modified with respect to a conventional spout. However, the total interior volume of the spout 9 is identical to the interior volume of a conventional mouthpiece of the same sound.

La conservation du volume intérieur total permet d'assurer un bec 9 avec les propriétés acoustiques appropriées. Pour ce faire, il est nécessaire de récupérer le volume perdu par rapport à un bec classique.Keeping the total interior volume ensures a spout 9 with the appropriate acoustic properties. To do this, it is necessary to recover the lost volume compared to a conventional beak.

Plus précisément il est nécessaire de récupérer un premier volume perdu entre une perce cylindrique classique d'une part et une perce conique 10 selon l'invention et également un second volume perdu entre un bord de chambre biseauté classique et un bord de chambre 12 selon l'invention, c'est-à-dire sensiblement perpendiculaire à l'axe de la table 13.More precisely, it is necessary to recover a first volume lost between a conventional cylindrical bore on the one hand and a conical bore 10 according to the invention and also a second volume lost between a conventional beveled chamber edge and a chamber edge 12 according to the invention. invention, that is to say substantially perpendicular to the axis of the table 13.

Une solution consiste à récupérer du volume au niveau de la zone de jonction 15 entre la perce 10 et la chambre 16 grâce à la formation d'une épaisseur amoindrie 17 autorisant une augmentation du volume interne du bec 9. Cette épaisseur amoindrie 17 par rapport à un bec classique est obtenu par la géométrie du noyau mobile conique 7.One solution is to recover volume at the junction zone 15 between the bore 10 and the chamber 16 through the formation of a reduced thickness 17 allowing an increase in the internal volume of the spout 9. This reduced thickness 17 relative to a classical beak is obtained by the geometry of the conical mobile core 7.

Dans une autre de variante de réalisation c'est le diamètre moyen du noyau 7 qui est calculé pour tenir compte du volume à récupérer par rapport à un bec classique.In another variant of embodiment is the average diameter of the core 7 which is calculated to take into account the volume to recover from a conventional beak.

En se reportant cette fois à la figure 3, on voit que, selon une caractéristique avantageuse de l'invention, la coquille supérieure 3 comporte au moins deux creux 18. Ces deux creux 18 permettent la formation sur le bec d'arêtes 19, disposées avantageusement de part et d'autre de la table 13 et visibles cette fois en se reportant aux figures 3 à 5. Ces arêtes 19 sont aptes à venir réceptionner une anche, plus précisément l'espacement entre ces arêtes 19 correspond à la largeur d'une anche que l'on peut donc venir insérer entre ces arêtes 19. On prévoit également, tel que représenté à la figure 5, une arête 19 supplémentaire, disposée sur la table 13 et constituant un appui pour le bord inférieur de l'anche.Referring this time to the figure 3 it can be seen that, according to an advantageous characteristic of the invention, the upper shell 3 comprises at least two recesses 18. These two recesses 18 allow the formation on the beak of ridges 19, advantageously arranged on either side of the table 13 and visible this time by referring to Figures 3 to 5 . These ridges 19 are able to come to receive a reed, more precisely the spacing between these edges 19 corresponds to the width of a reed that can be inserted between these edges 19. It is also expected, as shown in FIG. figure 5 , an additional edge 19 disposed on the table 13 and constituting a support for the lower edge of the reed.

En se reportant à la figure 4, on voit que, selon une autre caractéristique avantageuse, la coquille inférieure 2 comporte au moins un bourrelet 20. Ce bourrelet 20 permet de former dans le bec 1 une zone de réception 21 apte à recevoir un lien de maintien de l'anche, tel qu'un anneau déformable, cet anneau, non représenté dans les dessins annexés, se positionnant par glissement dans le bourrelet 20 et venant plaquer la partie inférieure de l'anche contre la table 13.Referring to the figure 4 , we see that, according to another advantageous characteristic, the lower shell 2 comprises at least one bead 20. This bead 20 makes it possible to form in the spout 1 a receiving zone 21 adapted to receive a retaining link of the reed, such as a deformable ring, this ring , not shown in the accompanying drawings, being positioned by sliding in the bead 20 and coming to press the lower part of the reed against the table 13.

Dans le mode de réalisation avantageux des figures annexées, on prévoit à la fois un bec 9 comportant des arêtes 19 et deux bourrelets 20, ces éléments 19 et 20 constituants, avec les anneaux déformables, la ligature du becIn the advantageous embodiment of the appended figures, there is provided both a spout 9 having ridges 19 and two beads 20, these elements 19 and 20 constituents, with the deformable rings, the ligation of the spout.

Dans une variante de réalisation, dans laquelle le bec sera destiné à des instruments de type clarinette, pour lesquels c'est le tenon du bec qui vient s'insérer dans le barillet, on prévoit d'adapter la forme du contour pour que ce dernier s'insère de manière hermétique dans le barillet.In an alternative embodiment, in which the nozzle is intended for clarinet-type instruments, for which it is the pin of the nose which is inserted into the barrel, it is intended to adapt the shape of the contour so that the latter fits tightly into the barrel.

A cette fin, on prévoit, avantageusement que l'extrémité devant être insérée dans le barillet présente une section de diamètre sensiblement constant à partir du bord du bec suivie d'une section de diamètre croissant.For this purpose, it is advantageously provided that the end to be inserted into the barrel has a section of substantially constant diameter from the edge of the nose followed by a section of increasing diameter.

En se reportant cette fois aux figures 8a à 8d, on voit représenté, en perspective, un exemple d'un bec selon quatre vues différentes du bec directement obtenu en sortie du moule 1.Referring this time to Figures 8a to 8d , shown in perspective, an example of a spout according to four different views of the spout directly obtained at the outlet of the mold 1.

De manière avantageuse, le bec 1 est réalisé en un matériau polymère de type acrylonitrile butadiène styrène (ABS), ou de type polycarbonate (PC) ou encore de type poly(méthyl méthacrylate) (PMMA) toutefois d'autres matériaux polymères injectables sont également envisageables, notamment dans la famille des styréniques.Advantageously, the spout 1 is made of a polymer material of the acrylonitrile butadiene styrene (ABS) type, or of the polycarbonate (PC) type or else of the poly (methyl methacrylate) (PMMA) type, however other injectable polymeric materials are also conceivable, especially in the styrenics family.

Le bec 9 est par conséquent entièrement fabriqué à partir d'un procédé de fabrication fiable limitant les opérations manuelles complexes, ce bec 9, essentiellement destiné à l'éveil et à l'étude, possédant de très bonnes qualités acoustiques.The spout 9 is therefore entirely manufactured from a reliable manufacturing process limiting complex manual operations, the spout 9, primarily intended for awakening and study, having very good acoustic qualities.

D'autres caractéristiques de l'invention auraient également pu être envisagées sans pour autant sortir du cadre de l'invention définie par les revendications ci-après. Selon une variante de réalisation, le procédé de fabrication prévoit, une étape de coloration du polymère permettant à un utilisateur d'identifier visuellement le bec par sa couleur. Ainsi, un bec de couleur donné, par exemple le jaune, pourra correspondre ou être adapté à un instrument donné ou encore un niveau de pratique donné ou encore pour un style de musique donné.Other features of the invention could also have been envisaged without departing from the scope of the invention defined by the claims below. According to an alternative embodiment, the manufacturing method provides a polymer staining step allowing a user to visually identify the beak by its color. Thus, a given beak, for example yellow, may correspond or be adapted to a given instrument or a given level of practice or for a given style of music.

Claims (8)

Procédé de fabrication d'un bec (9) d'instrument à vent à anche simple, caractérisé en ce qu'il comprend une étape unique de moulage par injection d'un composé polymère dans un moule (1) comportant une coquille inférieure (2), une coquille supérieure (3) avec une saillie (6) et un noyau mobile conique (7), ledit noyau (7) et ladite saillie (6) définissant le volume intérieur (14) dudit bec (9).A method for manufacturing a single reed wind instrument (9), characterized in that it comprises a single step of injecting a polymer compound into a mold (1) having a lower shell (2). ), an upper shell (3) with a projection (6) and a tapered movable core (7), said core (7) and said projection (6) defining the inner volume (14) of said spout (9). Procédé de fabrication selon la revendication 1, comportant une étape d'éjection du noyau mobile conique (7), après pressage du bec (9), au moyen d'une tige coulissante (8) assujettie audit noyau (7).Manufacturing method according to claim 1, comprising a step of ejecting the conical mobile core (7), after pressing the spout (9), by means of a sliding rod (8) secured to said core (7). Procédé de fabrication selon l'une ou l'autre des revendications 1 et 2, dans lequel la coquille supérieure (3) comporte au moins deux creux (18) permettant la formation, sur le bec (9), d'arêtes (19) aptes à venir réceptionner une anche.Manufacturing method according to either of claims 1 and 2, wherein the upper shell (3) comprises at least two recesses (18) for forming, on the spout (9), ridges (19). able to come to receive a reed. Procédé de fabrication selon l'une quelconque des revendications précédentes, dans lequel la coquille inférieure (2) comporte au moins un bourrelet (20) permettant la formation dans le bec (9) d'une zone de réception (21) apte à recevoir un lien de maintien de l'anche.Manufacturing method according to any one of the preceding claims, wherein the lower shell (2) comprises at least one bead (20) allowing the formation in the spout (9) of a receiving zone (21) adapted to receive a retaining link of the reed. Procédé de fabrication selon l'une quelconque des revendications précédentes, dans lequel le composé polymère est choisi dans le groupe des ABS, PC et PMMA.A manufacturing method according to any one of the preceding claims, wherein the polymeric compound is selected from the group of ABS, PC and PMMA. Bec d'instrument à vent à anche simple obtenu par la mise en oeuvre du procédé selon l'une quelconque des revendications précédentes, comportant une perce conique (10) et un bord (12) de fenêtre (11) sensiblement perpendiculaire à l'axe de la table (13) permettant la fabrication du bec en une étape de moulage par injection.Single reed wind instrument nose obtained by implementing the method according to any one of the preceding claims, comprising a conical bore (10) and a window edge (12) (11). substantially perpendicular to the axis of the table (13) allowing the manufacture of the nozzle in an injection molding step. Bec d'instrument à vent à anche simple selon la revendication précédente, dans lequel la zone de jonction (15) entre la perce conique (10) et la chambre (16) a une épaisseur amoindrie assurant une augmentation du volume interne du bec (9).Single-reed wind instrument mouthpiece according to the preceding claim, wherein the junction zone (15) between the conical bore (10) and the chamber (16) has a reduced thickness ensuring an increase in the internal volume of the beak (9). ). Bec d'instrument à vent à anche simple selon la revendication 7 dans lequel l'extrémité du bec destinée à être insérée dans le barillet de l'instrument à vent présente une section de diamètre sensiblement constant à partir du bord du bec suivie d'une section de diamètre croissant.A single reed wind instrument mouthpiece according to claim 7 wherein the tip end for insertion into the wind instrument barrel has a substantially constant diameter section from the nose edge followed by a section of increasing diameter.
EP12190834.7A 2011-11-04 2012-10-31 Method for manufacturing mouthpiece for single reed wind instrument, and mouthpiece obtained from the application of the method Withdrawn EP2590161A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1103348A FR2982403B1 (en) 2011-11-04 2011-11-04 METHOD OF MANUFACTURING A SPOUT FOR A SINGLE RING WIND INSTRUMENT AND SPOUT OBTAINED BY CARRYING OUT SAID METHOD

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AT522273A1 (en) * 2019-04-01 2020-10-15 Maxton Gmbh MOUTHPIECE AND METHOD OF MANUFACTURING A MOUTHPIECE

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AT522273A1 (en) * 2019-04-01 2020-10-15 Maxton Gmbh MOUTHPIECE AND METHOD OF MANUFACTURING A MOUTHPIECE
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CN111203477A (en) * 2020-04-20 2020-05-29 烟台南山学院 Saxophone processing equipment

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