EP3682441A1 - Tonerzeugendes blatt für blasinstrumente - Google Patents
Tonerzeugendes blatt für blasinstrumenteInfo
- Publication number
- EP3682441A1 EP3682441A1 EP18734209.2A EP18734209A EP3682441A1 EP 3682441 A1 EP3682441 A1 EP 3682441A1 EP 18734209 A EP18734209 A EP 18734209A EP 3682441 A1 EP3682441 A1 EP 3682441A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sound
- fiber
- polymer compound
- sheet according
- generating sheet
- 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.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 title abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 16
- 239000004005 microsphere Substances 0.000 claims abstract description 14
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 9
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 8
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 6
- 229920006344 thermoplastic copolyester Polymers 0.000 claims description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000003733 fiber-reinforced composite Substances 0.000 abstract 2
- 244000089486 Phragmites australis subsp australis Species 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000005445 natural material Substances 0.000 description 3
- 241001494508 Arundo donax Species 0.000 description 2
- 244000273256 Phragmites communis Species 0.000 description 2
- -1 Polypropylene Polymers 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 241000209134 Arundinaria Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- G10D7/066—Clarinets
Definitions
- the invention relates to a sound-producing sheet
- Fiber composite materials for wind instruments wherein the fiber composite material is a fiber-reinforced
- Wind instruments such as the clarinet or the saxophone have a beak-shaped blowing device formed of a blade and a mouthpiece.
- the sheet is the actual sound generator and is attached to the mouthpiece.
- the flow of air blown into the instrument by the musician causes the leaf attached to the mouthpiece to vibrate, creating a vibration in the air column of the instrument. With the lower lip and air flow, the player controls the vibration of the sheet, affecting both the sound and intonation.
- the design of the blade is thus crucial to the quality of the sound of the instrument. It is mostly made of a tube wood
- the tissue of Arundo donax consists of longitudinal capillary tubes
- Xylem The xylemes are embedded in a soft, foamy mass and connected to each other
- Fabric structure of the wood is responsible for the flexibility and vibration behavior.
- the disadvantages of using a natural material are material inhomogeneity and material fatigue during processing, resulting in variable quality of manufacture and use. There are efforts to produce leaves
- thermosetting polymer matrix can be mixed with hollow spheres. After curing, the clarinet sheet must be cut or milled accordingly, so that the production is complex and costly and an exact reproducibility barely can be guaranteed. In addition, the playing characteristics of the sheet are very poor.
- Polymer matrix are embedded from a thermoplastic.
- polyolefins are mentioned.
- the polymer fibers are designed as continuous fibers running in the longitudinal direction of the sheet.
- the melting point of the fibers is chosen to be higher than that of the polymer matrix, wherein in the course of the heating required in the preparation, the temperature above the
- Melting temperature of the polymer matrix is, but below the melting temperature of the fibers.
- the fibers can thus be inserted into the molten polymer matrix.
- Mouthpiece track in which the sheet vibrates with more mass but smaller amplitude and so also produces the characteristic and designated as "Viennese sound” timbre of the "Vienna clarinet".
- This timbre with comparatively darker, softer sound gives Austrian orchestras - along with other Viennese instruments such as the Viennese oboe, the Viennese Horn, the Viennese timpani or the Viennese percussion - their typical Viennese sound style.
- the object of the present invention is now to avoid the disadvantages of using a natural material for the sheet of wind instruments while maintaining the advantages in terms of playability and timbre.
- Claim 1 relates to a sound-producing sheet
- Fiber composite materials for wind instruments wherein the fiber composite material is a fiber-reinforced
- Polymer compound acts. According to the invention is hereby
- the polymer compound comprises a thermoplastic elastomer to which hollow microspheres are added.
- the thermoplastic elastomer may be, for example, a thermoplastic copolyester (TPC) or a
- thermoplastic urethane-based elastomer act.
- Thermoplastic elastomers are also easy to process and are therefore particularly suitable for injection molding, so a rapid manufacturability at comparatively
- thermoplastic elastomers have an admixture of
- the hollow microspheres serve to reduce the density of the polymer compound, but are also very fragile and require careful processing.
- Selected thermoplastic elastomers may also provide a sufficiently low viscosity to meet the requirements of To be able to add inventively provided amount of hollow microspheres without the density-reducing property of
- the fibers may be, for example, carbon fibers, preferably short fibers having fiber lengths of 0.1-1 mm, the fiber content of the fiber-reinforced polymer compound preferably being in a range of 10-20% by weight, for example 15% by weight.
- the use of short fibers does not affect the processability of the polymer compound by injection molding. In the course of processing by injection molding, although a minor
- Alignment of the short fibers causes, but it can still be spoken of a substantially isotropic distribution of the short fibers in the cured polymer compound.
- the hollow microspheres may be about
- Polymer compound preferably 40-60% by volume
- Hollow microspheres for example, 50 volume percent hollow microspheres. Furthermore, additives such as adhesion promoters (compatibilizers) may be added.
- additives such as adhesion promoters (compatibilizers) may be added.
- Fiber-reinforced polymer compound preferably has a density of 0.90-0.92_g / cm 3 .
- the plastic sheet according to the invention proves to be
- Ratio of stiffness, density and damping to achieve clear tones and easy play in both soft and noisy game are achieved by the admixture of hollow microspheres, in particular of glass. Glass bubbles are mostly made of alkali
- This filler is characterized by a low nominal density and a high compressive strength.
- the diameters of these hollow microspheres are in the micrometer range and are generally between 10 and 110 ym, where they mostly in a size distribution in this area are available.
- the plastic sheet according to the invention is similar in its
- the proposed polymer compound is also suitable for producing the plastic sheet according to the invention in
- the plastic sheet is also very durable and changes its properties
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Stringed Musical Instruments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50759/2017A AT520395A1 (de) | 2017-09-12 | 2017-09-12 | Tonerzeugendes Blatt für Blasinstrumente |
PCT/EP2018/067078 WO2019052702A1 (de) | 2017-09-12 | 2018-06-26 | Tonerzeugendes blatt für blasinstrumente |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3682441A1 true EP3682441A1 (de) | 2020-07-22 |
EP3682441B1 EP3682441B1 (de) | 2022-10-12 |
Family
ID=62748994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18734209.2A Active EP3682441B1 (de) | 2017-09-12 | 2018-06-26 | Tonerzeugendes blatt für blasinstrumente |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3682441B1 (de) |
AT (1) | AT520395A1 (de) |
WO (1) | WO2019052702A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020007172B3 (de) | 2020-11-24 | 2021-06-24 | Leitner & Kraus Gmbh | Tonerzeugendes Blatt für ein Blasinstrument |
AT525723A1 (de) * | 2021-11-30 | 2023-06-15 | Maxton Gmbh | Tonerzeugendes blatt für blasinstrumente |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759132A (en) * | 1972-11-06 | 1973-09-18 | Univ Southern California | Composite woodwind reed |
US4355560A (en) * | 1979-06-12 | 1982-10-26 | Shaffer David W | Reed construction |
US4337683A (en) * | 1980-07-22 | 1982-07-06 | Backus John G | Synthetic woodwind instrument reed and method for its manufacture |
DE8904968U1 (de) * | 1989-04-20 | 1989-10-12 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De | |
JP2008197450A (ja) * | 2007-02-14 | 2008-08-28 | Daicel Polymer Ltd | 木管楽器リード用樹脂組成物 |
US7902443B2 (en) * | 2008-06-04 | 2011-03-08 | Guy Legere | Oriented polymer reeds for woodwind instruments |
FR3025922B1 (fr) * | 2014-09-16 | 2019-06-21 | Varlepic Participations | Anche composite |
-
2017
- 2017-09-12 AT ATA50759/2017A patent/AT520395A1/de not_active Application Discontinuation
-
2018
- 2018-06-26 EP EP18734209.2A patent/EP3682441B1/de active Active
- 2018-06-26 WO PCT/EP2018/067078 patent/WO2019052702A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
AT520395A1 (de) | 2019-03-15 |
WO2019052702A1 (de) | 2019-03-21 |
EP3682441B1 (de) | 2022-10-12 |
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