PL127639B1 - Method of manufacture of resonance box of stringed instruments,especially of violins - Google Patents

Method of manufacture of resonance box of stringed instruments,especially of violins

Info

Publication number
PL127639B1
PL127639B1 PL22194380A PL22194380A PL127639B1 PL 127639 B1 PL127639 B1 PL 127639B1 PL 22194380 A PL22194380 A PL 22194380A PL 22194380 A PL22194380 A PL 22194380A PL 127639 B1 PL127639 B1 PL 127639B1
Authority
PL
Poland
Prior art keywords
sides
resonance box
glued
violins
slats
Prior art date
Application number
PL22194380A
Other languages
Polish (pl)
Other versions
PL221943A1 (en
Inventor
Bogdan Skalmierski
Krzysztof Mroz
Original Assignee
Politechnika Slaska Im Wincent
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Politechnika Slaska Im Wincent filed Critical Politechnika Slaska Im Wincent
Priority to PL22194380A priority Critical patent/PL127639B1/en
Priority to US06/230,271 priority patent/US4373980A/en
Priority to CA000369880A priority patent/CA1153913A/en
Priority to HU8181260A priority patent/HU180622B/en
Priority to CS81812A priority patent/CS259855B2/en
Priority to AT81100857T priority patent/ATE13368T1/en
Priority to DD81227470A priority patent/DD156205A5/en
Priority to DE8181100857T priority patent/DE3170460D1/en
Priority to EP81100857A priority patent/EP0038907B1/en
Publication of PL221943A1 publication Critical patent/PL221943A1/xx
Publication of PL127639B1 publication Critical patent/PL127639B1/en

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Description

Przedmiotem wynalazku jest sposób wykonania pudla rezonansowego instrumentów smyczko¬ wych zwlaszcza skrzypiec.Znane i powszechnie stosowane technologie budowy skrzypiec i innych instrumentów smyczkowych polegaja na dopasowaniu wszystkich elementów podczas ich montazu z wyjatkiem klejenia belki basowej z plyta górna, gdzie wprowadza sie naprezenia* Uzyskuje sie tu naprezenia pochodzace od zginania. Belke basowa przed jej sklejeniem wygina sie tak aby pasowala do powierzchni górnej plyty. Po sklejeniu obydwu elementów belka powieksza wyso¬ kosc sklepienia plyty, zas plyta proi.iien krzywizny belki, o tan taki jest korzystny, gdyz kompensuje obciazenie plyty podstawkiem. Boczki natomiast formuje sie w stanie wstepnego wygiecia na goraco. Tak wiec utrwalona krzywizna boczków jak i listewek gwarantuje bezsprezeniowy stan wienca przed przyklejeniem go do scisle dopasowanej czesci górnej i dolnej.Wada znanego sposobu jest to, iz plyta górna wykonana metoda tradycyjna przejmuje sily sciskajace pochodzace od napiecia strun. Zgodnie z badaniami Bockhausa doskonalosc instrumentu zalezy od rozkladu fonnantów u jego widmie. Instrument jest tym doskonalszy, im obszary najsilniejszych fonnantów sa blizsze *l000 Hz /S,Golechowski, M.Drobner - Akustyka muzyczna, PWN 1953A Skrzypce wykonane znana metoda tej wlasnosci nie posiadaja i miejsca najsilniejszych fonnantów zna^jduja sie ponizej 3000 Hz, Celem wynalazku jest wiec przesuniecie obszarów formantowych do interwalu czestotli¬ wosci 3000^^000 Hz, Cel ten zostal osiagniety przez opracowanie nowej technologii pole¬ gajacej na wprowadzeniu wstepnych naprezen w pudle rezonansowym dla uzyskania napiec rozciagajacych górna plyte.2 127 639 Sposób wedlug wynalazku polega-na tym, ze plyte górna i dolna wykonuje sie w formie luku wygietego w przeciwna strone do tendencji wyginania len naciagiem strun9 formuje sie wstepnie sprezyscie wieniec boczków i przykleja do niego listewki, po czym odksztal¬ ca sie sprezyscie plyte górna 1 dolna oraz wieniec boczków z listewkami do ksztaltu finalnego i skleja wieniec boczków z górna i dolna plyta* Uksztaltowanie plyt w formie luków wygietych w przeciwna strone do tendencji wygina¬ nia ich naciagiem strun i nastepne ich odksztalcenie powoduje, Ze po sklejeniu plyt z wiencem boczków wyzwalaja sie sily rozciagajace górna plyte. Plyta dolna wykonana w formie luku lezac na krawedzi boczków przed jej przyklejeniem, przylega jedynie w srodkowej czesci do krawedzi boczków9 natomiast w miejscach, gdzie ma byc przyklejona ze skrajnymi pienkami odchyla sie, natomiast górna plyta wykonana w formie luku przed przyklejeniem do wienca boczków polozona na krawedzi boczków spoczywa swobodnie swoimi koncami na skrajnych pienkach, zas w talii tworzy szczeline unoszac sie nad plaszczyzna krawedzi boczków* Dodatkowymi silami rozciagajacymi górna plyte sa sily sprezyscie odksztalconego wienca boczków* Zaleta rozwiazania wedlug wynalazku jest polepszenie warunków akustycznych pudla re¬ zonansowego.Przyklad* Plyte górna skrzypiec wykonuje sie w formie luku wygietego przeciwnie do tendencji wyginania pudla rezonansowego przez struny* Po wstepnym ale nie calkowitym sprezystym wygieciu boczków przykleja sie listewki azeby w nastepnym etapie odksztalcic równiez sprezyscie wieniec boczków do ksztaltu finalnego* Wieniec boczków nastepnie skleja sie z górna plyta z wklejona metoda tradycyjna belka basowa, a nastepnie odksztal¬ cona sprezyscie do ksztaltu finalnego* Po sklejeniu obydwu elementów plyta wierzchnia bedzie rozciagana wiencem boczków z listewkami* Dla zabezpieczenia odksztalceniu sie calosci wstawia sie rozpórke umieszczona ponie-* dzy skrajnymi pienkami /pienki nie beda wówczas swymi wolnymi koncami zblizac sie do siebie/* Pudlo rezonansowe zamyka sie plyta dolna wykonana w formie luku wygietego w przeciwna strone do tendencji wyginania pudla rezonansowego przez nacias strun, a nastepnie odksztal¬ cona do ksztaltu finalnego* Po sklejeniu wyjmuje sie z pudla rozpórke* Przy wykonaniu pudla mozna wykorzystac forme wewnetrzna lub zewnetrzna* \! przypadku formy wewnetrznej listewki dolne wkleja sie po wyjeciu pólpudla z formy* Zastrzezenie patentowe Sposób wykonania pudla rezonansowego instrumentów smyczkowych zwlaszcza skrzypiec z wklejona belka basowa w górno j plycio, znamienny t *y m9 ze plyte górna i dolna wykonuje sie w formie luku wygietego w przeciwna strone do tendencji wyginania ich nacia¬ giem strun, formuje sie wstepnie sprezyscie wieniec boczków i przykleja do niego listewki, po czym odksztalca sie sprezyscie plyte górna i dolna oraz wieniec boczków z listewkami do ksztaltu finalnego i skleja wieniec boczków z górna i dolna plyta* Pracownia Poligraficzna UP PRL. Naklad 100 egz.Cena 100 zl PLThe subject of the invention is a method of making a resonance box of string instruments, especially a violin. The well-known and commonly used technologies of constructing violins and other string instruments consist in fitting all elements during their assembly, except for gluing the bass beam to the upper plate, where the stresses are introduced. stresses from bending. Before gluing, the bass beam is bent to fit the surface of the top board. After the two elements are glued together, the beam increases the height of the board ceiling, and the beam profile board increases the beam's curvature by such an advantage, as it compensates for the load on the board with the support. The sides, on the other hand, are formed in a state of preliminary hot bending. Thus, the fixed curvature of the sides and the slats guarantees the tension-free condition of the rim before sticking it to the tightly fitting upper and lower parts. The disadvantage of the known method is that the upper plate made using the traditional method takes over the compressive forces resulting from the tension of the strings. According to Bockhaus's research, the perfection of an instrument depends on the distribution of phonants in its spectrum. The instrument is the more perfect the closer the areas of the strongest phonnants are * 1000 Hz / S, Golechowski, M.Drobner - Musical Acoustics, PWN 1953A Violins made by the known method do not have this property and the places of the strongest phonnants are below 3000 Hz. is a shift of the formant regions to the frequency interval of 3000 ^^000 Hz. This goal was achieved by developing a new technology consisting in introducing initial stresses in the resonance box to obtain tension stretching the upper plate. 2 127 639 The method according to the invention consists in the fact that the upper and lower plates are made in the form of an arc bent in the opposite direction to the tendency to bend the flax, by tensioning the strings9, the sides are pre-formed and the slats are glued to it, and the upper and lower plate and the side of the sides with slats are deformed to the final shape and sticks the rim of the sides to the upper and lower plate * Shaping the plates in the form of a bent in the opposite direction to the tendency to bend them with the tension of the strings and their subsequent deformation causes that after gluing the plates with a ring of sides, forces stretching the upper plate are released. The bottom plate, made in the form of an arch, lies on the edge of the sides before sticking it, it sticks only in the middle part to the edge of the sides9, while in the places where it is to be glued with the extreme stalks, it tilts, while the upper plate made in the form of an arch, before sticking it to the edge of the sides, is placed on the edge of the sides rests freely with its ends on the extreme stumps, while in the waist it forms a crack rising above the edge of the sides * Additional forces stretching the top plate are the force of the deformed crown of the sides * The advantage of the solution according to the invention is the improvement of the acoustic conditions of the box. the upper violin is made in the form of a bow bent opposite to the tendency of the resonance box to bend by the strings * After the initial but not complete elastic bending of the sides, the slats are glued in order to deform the elastic band of the sides to the final shape at the next stage * It does not stick to the upper plate with a glued-in traditional bass beam method, and then the deformed spring to the final shape * After gluing both elements, the top plate will be stretched with a ring of sides with strips * To protect the deformation of the whole, insert the outermost struts then they will not come closer to each other with their free ends / * The resonance box is closed by the bottom plate made in the form of an arch bent in the opposite direction to the tendency of the resonance box to bend by tightening the strings, and then deformed to the final shape * After gluing it is taken out out of the box the spacer * When making the box, you can use either the inner or the outer form * \! in the case of the internal form, the lower lath is glued after the half-box is removed from the mold * Patent claim The method of making a resonance box of string instruments, especially a violin with a bass bar glued into the upper plank, characteristic t * y m9 that the upper and lower plate are made in the form of an opposite bend the side of the tendency to bend them with a string of strings, the rim of the sides is pre-formed and the slats are glued to it, then the upper and lower plate and the rim of the sides with the slats are deformed to the final shape and glued together the wreaths of the sides with the upper and lower plate * Printing Department of the People's Republic of Poland. Mintage 100 copies Price PLN 100 PL

Claims (1)

1. Zastrzezenie patentowe Sposób wykonania pudla rezonansowego instrumentów smyczkowych zwlaszcza skrzypiec z wklejona belka basowa w górno j plycio, znamienny t *y m9 ze plyte górna i dolna wykonuje sie w formie luku wygietego w przeciwna strone do tendencji wyginania ich nacia¬ giem strun, formuje sie wstepnie sprezyscie wieniec boczków i przykleja do niego listewki, po czym odksztalca sie sprezyscie plyte górna i dolna oraz wieniec boczków z listewkami do ksztaltu finalnego i skleja wieniec boczków z górna i dolna plyta* Pracownia Poligraficzna UP PRL. Naklad 100 egz. Cena 100 zl PL1. Patent claim A method of making a resonance box of string instruments, especially a violin with a bass bar glued in the upper panel, characterized by the fact that the upper and lower plates are made in the form of an arch bent in the opposite direction to the tendency to bend them with a string of strings, Pre-spring the wreath of the sides and stick the slats to it, then the upper and lower plates and the wreath of the sides with slats are deformed to the final shape and glued the wreath of the sides with the upper and lower plate * Pracownia Poligraficzna UP PRL. Mintage 100 copies. Price PLN 100 PL
PL22194380A 1980-02-08 1980-02-08 Method of manufacture of resonance box of stringed instruments,especially of violins PL127639B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL22194380A PL127639B1 (en) 1980-02-08 1980-02-08 Method of manufacture of resonance box of stringed instruments,especially of violins
US06/230,271 US4373980A (en) 1980-02-08 1981-01-30 Method of manufacture of sound box of stringed instruments, particularly violins
CA000369880A CA1153913A (en) 1980-02-08 1981-02-02 Manufacture of sound box of stringed instruments
HU8181260A HU180622B (en) 1980-02-08 1981-02-04 Method for forming resonance box of stringed instruments particularly violins and device for forming sideplates of stringed instruments
CS81812A CS259855B2 (en) 1980-02-08 1981-02-04 Method of load-speaking box production for string instruments,especially violin and device for these instruments'splints bunches forming
AT81100857T ATE13368T1 (en) 1980-02-08 1981-02-06 METHOD AND DEVICE FOR MAKING THE RESONANCE BODY OF STRINGED INSTRUMENTS.
DD81227470A DD156205A5 (en) 1980-02-08 1981-02-06 METHOD AND DEVICE FOR IMPLEMENTING THE RESONANT BOXES OF STRING INSTRUMENTS
DE8181100857T DE3170460D1 (en) 1980-02-08 1981-02-06 Method and means for the manufacture of resonant bodies for stringed instruments
EP81100857A EP0038907B1 (en) 1980-02-08 1981-02-06 Method and means for the manufacture of resonant bodies for stringed instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL22194380A PL127639B1 (en) 1980-02-08 1980-02-08 Method of manufacture of resonance box of stringed instruments,especially of violins

Publications (2)

Publication Number Publication Date
PL221943A1 PL221943A1 (en) 1981-08-21
PL127639B1 true PL127639B1 (en) 1983-11-30

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ID=20001289

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22194380A PL127639B1 (en) 1980-02-08 1980-02-08 Method of manufacture of resonance box of stringed instruments,especially of violins

Country Status (1)

Country Link
PL (1) PL127639B1 (en)

Also Published As

Publication number Publication date
PL221943A1 (en) 1981-08-21

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