EP0384821A2 - Process for segmentally cutting circular products, especially food products - Google Patents

Process for segmentally cutting circular products, especially food products Download PDF

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Publication number
EP0384821A2
EP0384821A2 EP90400450A EP90400450A EP0384821A2 EP 0384821 A2 EP0384821 A2 EP 0384821A2 EP 90400450 A EP90400450 A EP 90400450A EP 90400450 A EP90400450 A EP 90400450A EP 0384821 A2 EP0384821 A2 EP 0384821A2
Authority
EP
European Patent Office
Prior art keywords
sonotrode
cutting
hole
knife
product
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.)
Withdrawn
Application number
EP90400450A
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German (de)
French (fr)
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EP0384821A3 (en
Inventor
Alain Scotto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mecasonic Ste
Mecasonic SA
Original Assignee
Mecasonic Ste
Mecasonic SA
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Publication date
Application filed by Mecasonic Ste, Mecasonic SA filed Critical Mecasonic Ste
Publication of EP0384821A2 publication Critical patent/EP0384821A2/en
Publication of EP0384821A3 publication Critical patent/EP0384821A3/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/24—Cutting work characterised by the nature of the cut made; Apparatus therefor to obtain segments other than slices, e.g. cutting pies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed

Definitions

  • the present invention relates to a process for cutting into portions circular products, in particular food products by the use of ultrasound, as well as to a vibrating sonotrode for the commissioning of such a process.
  • the invention proposes to provide improvements making it possible to remedy these drawbacks of the previous solutions.
  • the subject of this invention is a method for cutting portions into portions in circular food products such as cakes, cheeses and the like, characterized in that it consists in making a small diameter hole in the center of said circular product using a tubular sonotrode-knife, then cut into sectors using any suitable cutting element.
  • the invention also relates to a sonotrode-knife for implementing the method defined above, characterized in that it is tubular in shape, in that it vibrates at a frequency of the order of 10 to 40 kHz and in that it comprises means ensuring the ejection of the carrot cut from said product during the production of the central hole.
  • said tubular sonotrode has a cutting end having an internal draft angle.
  • the tubular sonotrode has a cutting end which has an external clearance angle.
  • the process which is the subject of the present invention for producing the central hole in the circular product which must then be cut into sectors comprises two operations: - the first made using the tubular sonotrode which is lowered by vibrating into the central part of the product in order to produce a substantially cylindrical central hole, the sonotrode then being reassembled by receiving an air jet to eject the cylindrical core thus cut and; - the second carried out using the same tubular sonotrode and under the same conditions as the first operation which makes it possible to obtain a perfectly cylindrical central hole.
  • the central plug or core is recovered to replace it in the bore immediately after the product has been cut into sectors so as to reconstitute the entirety of this product.
  • the method uses two vibrating sonotrodes: - A first tubular sonotrode with external clearance angle to make the central hole and obtain a perfectly cylindrical core and; - a second sonotrode whose clearance angle is inverted with respect to that of the first sonotrode and whose external diameter is slightly larger than the internal diameter of the first sonotrode to perfectly bore the hole previously made, the carrot then being replaced in place in the central hole thus reamed, immediately after cutting the product into sectors.
  • a sonotrode-knife 1 of tubular shape is used, the cutting end 1 ′ of which has an internal draft angle as can be clearly seen on the drawing.
  • this sonotrode vibrates in wavelength or in half wavelength depending on the thickness of the product at a frequency of the order of 10 to 40 kHz, and its outside diameter is slightly less than the diameter of the hole 5 provided. in holder 3.
  • the sonotrode 1 is then lowered into vibration in the product 2 ( Figure 2) and, during this operation the sonotrode 1 cuts a central hole 5 in the product by removing a volume (core 6) of material comparable to a plug.
  • the core 6 is ejected and the sonotrode 1 is withdrawn upwards, in its initial position.
  • the ejection of the core 6 is obtained by projection of a jet of compressed air blown into the hollow central part 7 of the sonotrode 1 by a supply line 8 opening into this central part.
  • the core 6 is ejected through the hole 4 of the support 3 as seen in FIG. 3.
  • a central hole 5 is produced in the product 2 having a very approximately cylindrical shape and constricted in the equatorial zone of the product.
  • this hole 10 has a diameter of the order of 10 to 30 mm in diameter.
  • This second example of implementation uses two tubular sonotrodes of different shape.
  • a vibrating sonotrode is used whose cutting end 11 ′ has an external clearance angle ⁇ .
  • the sonotrode vibrates down into the product 2 to make the hole 5 ′. It was then reassembled still vibrating and the insufflation of the compressed air jet ensures the expulsion of the carrot or plug 6 ′.
  • product 2 a cylindrical hole or housing 5 ′ whose dimensions and the surface condition does not allow the plug 6 ′ to be replaced in its place and place of origin.
  • This second horn 12 is used during the second step of the method, illustrated in FIG. 9 and which is identical to the operation described above with reference to FIGS. 4 and 5.
  • This second step makes it possible to ream the hole 5 ′ previously made so as to finally obtain a central hole 10 ′ which has a perfectly cylindrical shape and which not only makes it possible to cut the product into sectors under the conditions described above and also replace the carrot or plug 5 ′ in the central hole 10 ′. It is thus possible to reconstruct, after cutting the product 2 into sectors, the entire pre-cut shape of the latter, which thus retains its original presentation and its attractive appearance.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Confectionery (AREA)
  • Dairy Products (AREA)

Abstract

Process for segmentally cutting portions of circular food products, such as cakes, cheeses and the like, characterised in that it consists in producing a small diameter hole (10) in the centre of the said circular product (2) using a tubular sonotrode-cutter (1), then in carrying out the cutting into segments with the aid of any appropriate slicing device. This invention also concerns sonotrode-cutters using this method. <IMAGE>

Description

La présente invention est relative à un procédé de découpage en portions de produits circulaires, notament de produits alimentaires par l'utilisation d'ultrason ainsi qu'à une sonotrode vibrante pour la mise en service d'un tel procédé.The present invention relates to a process for cutting into portions circular products, in particular food products by the use of ultrasound, as well as to a vibrating sonotrode for the commissioning of such a process.

On sait que le découpage en secteurs en vue de constituer des portions dans des produits alimentaires circulaires, tels que notament des gâteaux des fromages et similaires est à l'heure actuelle exécuté à l'aide de fils d'acier tranchant successivement et respectivement un diamètre du produit. L'un des inconvénients de cette technique connue réside dans le fait qu'elle ne permet pas de réaliser un nombre impair de parts ni, de découper proprement des portions de faibles dimensions car le centre du produit qui constitue le point de rencontre des différents traits de coupe réalisés par le fil tranchant est alors le siège d'une zone particulèrement inesthétique en raison de la fragilité de l'angle au centre très aigu des secteurs ainsi découpés, et non plus de reconstituer l'intégralité du produit après découpe.It is known that the cutting into sectors in order to constitute portions in circular food products, such as in particular cakes for cheeses and the like is at present carried out using steel wires cutting successively and respectively a diameter of the product. One of the drawbacks of this known technique lies in the fact that it does not make it possible to produce an odd number of parts nor, to cut out portions of small dimensions cleanly because the center of the product which constitutes the meeting point of the different lines cutting made by the sharp wire is then the seat of a particularly unsightly area due to the fragility of the very acute angle at the center of the sectors thus cut, and no longer to reconstitute the entire product after cutting.

L'invention se propose d'apporter des perfectionnements permettant de remédier à ces inconvénients des solutions antérieures.The invention proposes to provide improvements making it possible to remedy these drawbacks of the previous solutions.

En conséquence cette invention a pour objet un procédé pour découper en secteurs des portions dans des produits alimentaires circulaires tels que des gâteaux, des fromages et similaires caractérisé en ce qu'il consiste à réaliser un trou de faible diamètre au centre dudit produit circulaire en utilisant une sonotrode-couteau tubulaire, puis à effectuer la découpe en secteurs à l'aide de tout élément tranchant approprié.Consequently, the subject of this invention is a method for cutting portions into portions in circular food products such as cakes, cheeses and the like, characterized in that it consists in making a small diameter hole in the center of said circular product using a tubular sonotrode-knife, then cut into sectors using any suitable cutting element.

La réalisation d'un trou central, préalablement à la découpe en secteurs, obtenue par tout moyen classique approprié, facilite la découpe en éliminant la zone fragile et inesthétique située au centre du produit lors de la mise en oeuvre des procédés classiques de découpage en secteurs circulaires de portions de faibles dimensions. En outre, l'utilisation d'une sonotrode pour réaliser le trou central permet d'obtenir une découpe esthétique et un autonettoyage du couteau à chaque cycle.The realization of a central hole, prior to cutting into sectors, obtained by any suitable conventional means, facilitates the cutting by eliminating the fragile and unsightly area located in the center of the product during the implementation of conventional methods of cutting into circular sectors portions of small dimensions. In addition, the use of a sonotrode to make the central hole makes it possible to obtain an aesthetic cutout and self-cleaning of the knife at each cycle.

L'invention vise également une sonotrode-couteau pour la mise en oeuvre du procédé défini ci-dessus caractérisée en ce qu'elle est de forme tubulaire, en ce qu'elle vibre à une fréquence de l'ordre de 1O à 4O kHz et en ce qu'elle comporte des moyens assurant l'éjection de la carotte découpée dans ledit produit lors de la réalisation du trou central.The invention also relates to a sonotrode-knife for implementing the method defined above, characterized in that it is tubular in shape, in that it vibrates at a frequency of the order of 10 to 40 kHz and in that it comprises means ensuring the ejection of the carrot cut from said product during the production of the central hole.

Selon un exemple de réalisation de l'invention, ladite sonotrode tubulaire possède une extrémité coupante présentant un angle de dépouille interne.According to an exemplary embodiment of the invention, said tubular sonotrode has a cutting end having an internal draft angle.

Selon un second exemple de réalisation de l'invention, la sonotrode tubulaire possède une extrémité coupante qui présente un angle de dépouille externe.According to a second embodiment of the invention, the tubular sonotrode has a cutting end which has an external clearance angle.

Le procédé objet de la présente invention pour réaliser le trou central dans le produit circulaire devant être ensuite découpé en secteurs comporte deux opérations :
- la première réalisée à l'aide de la sonotrode tubulaire que l'on fait descendre en vibrant dans la partie centrale du produit afin de réaliser un trou central sensiblement cylindrique, la sonotrode étant ensuite remontée en recevant un jet d'air pour éjecter la carotte cylindrique ainsi découpée et ;
- la seconde réalisée à l'aide de la même sonotrode tubulaire et dans les mêmes conditions que la première opération qui permet d'obtenir un trou centrale parfaitement cylindrique.The process which is the subject of the present invention for producing the central hole in the circular product which must then be cut into sectors comprises two operations:
- the first made using the tubular sonotrode which is lowered by vibrating into the central part of the product in order to produce a substantially cylindrical central hole, the sonotrode then being reassembled by receiving an air jet to eject the cylindrical core thus cut and;
- the second carried out using the same tubular sonotrode and under the same conditions as the first operation which makes it possible to obtain a perfectly cylindrical central hole.

Selon une variante du procédé selon l'invention, on récupère le bouchon ou carotte central pour le remettre en place dans l'alésage immédiatement après la découpe du produit en secteurs de façon à reconstituer l'intégralité de ce produit. Selon cette variante, le procédé utilise deux sonotrodes vibrantes :
- une première sonotrode tubulaire à angle de dépouille externe pour réaliser le trou central et obtenir une carotte parfaitement cylindrique et ;
- une seconde sonotrode dont l'angle de dépouille est inversé par rapport à celui de la première sonotrode et dont le diamètre externe est légèrement plus grand que le diamètre interne de la première sonotrode pour aléser parfaitement le trou préalablement réalisé, la carotte étant ensuite remise en place dans le trou central ainsi alésé, immédiatement après la découpe du produit en secteurs.According to a variant of the method according to the invention, the central plug or core is recovered to replace it in the bore immediately after the product has been cut into sectors so as to reconstitute the entirety of this product. According to this variant, the method uses two vibrating sonotrodes:
- A first tubular sonotrode with external clearance angle to make the central hole and obtain a perfectly cylindrical core and;
- a second sonotrode whose clearance angle is inverted with respect to that of the first sonotrode and whose external diameter is slightly larger than the internal diameter of the first sonotrode to perfectly bore the hole previously made, the carrot then being replaced in place in the central hole thus reamed, immediately after cutting the product into sectors.

D'autres caractéristiques et avantages de cette invention ressortiront de la description faite ci-après en référence aux dessins annexés qui en illustrent des exemples de mise en oeuvre donnés à titre non limitatif. Sur les dessins :

  • - Les figures 1 à 5 sont des vues schématiques illustrant les différentes étapes d'un premier mode de mise en oeuvre du procédé objet de l'invention et ;
  • - les figures 6 à 9 sont également des vues schématiques qui illustrent les différentes étapes du second mode de mise en oeuvre de ce procédé.
Other characteristics and advantages of this invention will emerge from the description given below with reference to the accompanying drawings which illustrate examples of implementation given without implied limitation. In the drawings:
  • - Figures 1 to 5 are schematic views illustrating the different stages of a first embodiment of the method of the invention and;
  • - Figures 6 to 9 are also schematic views which illustrate the different stages of the second mode of implementation of this method.

Les exemples de mise en oeuvre décrits ci-après s'appliquent au découpage en secteurs circulaires d'un produit alimentaire circulaire constitué par un fromage, tel que notamment une tomme 2, posé sur un plan 3 dont la surface est percée d'un trou 4 dont l'axe correspond à celui du trou central que l'on désire pratiquer dans la tomme 2, pour faciliter ensuite la découpe en secteurs de portions dans cette dernière.The examples of implementation described below apply to the cutting into circular sectors of a circular food product consisting of a cheese, such as in particular a tomme 2, placed on a plane 3 whose surface is pierced with a hole 4 whose axis corresponds to that of the central hole which one wishes to practice in the tomme 2, for then facilitate the cutting into portions of portions in the latter.

Dans le premier mode de mise en oeuvre du procédé de l'invention illustré par les figures 1 à 5, on utilise une sonotrode-couteau 1 de forme tubulaire dont l'extrémité coupante 1′ présente un angle de dépouille interne comme on le voit clairement sur le dessin. De préférence, cette sonotrode vibre en longueur d'ondes ou en demi longueur d'ondes suivant l'épaisseur du produit à une fréquence de l'ordre de 1O à 4O kHZ, et son diamètre extérieur est légèrement inférieur au diamètre du trou 5 prévu dans le support 3.In the first embodiment of the method of the invention illustrated in FIGS. 1 to 5, a sonotrode-knife 1 of tubular shape is used, the cutting end 1 ′ of which has an internal draft angle as can be clearly seen on the drawing. Preferably, this sonotrode vibrates in wavelength or in half wavelength depending on the thickness of the product at a frequency of the order of 10 to 40 kHz, and its outside diameter is slightly less than the diameter of the hole 5 provided. in holder 3.

On commence par positionner la sonotrode-couteau 1 au dessus du produit 2 de manière que son axe soit coaxial à celui du trou 4 du support 3, qui est lui-même disposé selon l'axe vertical du produit (Figure 1).We start by positioning the sonotrode-knife 1 above the product 2 so that its axis is coaxial with that of the hole 4 of the support 3, which is itself arranged along the vertical axis of the product (Figure 1).

On fait alors descendre la sonotrode 1 en vibration dans le produit 2 (Figure 2) et, pendant cette opération la sonotrode 1 découpe un trou central 5 dans le produit en retirant un volume (carotte 6) de matière comparable à un bouchon.The sonotrode 1 is then lowered into vibration in the product 2 (Figure 2) and, during this operation the sonotrode 1 cuts a central hole 5 in the product by removing a volume (core 6) of material comparable to a plug.

Dans l'étape suivante (figure 3) on réalise l'éjection de la carotte 6 et le retrait vers le haut, dans sa position initiale de la sonotrode 1. Dans l'exemple non limitatif de réalisation illustré par le dessin, l'éjection de la carotte 6 est obtenue par projection d'un jet d'air comprimé insufflé dans la partie centrale creuse 7 de la sonotrode 1 par une conduite d'alimentation 8 débouchant dans cette partie centrale. La carotte 6 est éjectée au travers du trou 4 du support 3 comme on le voit sur la figure 3.In the following step (FIG. 3), the core 6 is ejected and the sonotrode 1 is withdrawn upwards, in its initial position. In the nonlimiting example of embodiment illustrated by the drawing, the ejection of the core 6 is obtained by projection of a jet of compressed air blown into the hollow central part 7 of the sonotrode 1 by a supply line 8 opening into this central part. The core 6 is ejected through the hole 4 of the support 3 as seen in FIG. 3.

A ce stade du procédé on a réalisé dans le produit 2 un trou central 5 présentant une forme très approximativement cylindrique et étranglée dans la zone équatoriale du produit.At this stage of the process, a central hole 5 is produced in the product 2 having a very approximately cylindrical shape and constricted in the equatorial zone of the product.

Lors des étapes suivantes illustrées par les figures 4 et 5 on conforme le trou central 5 de façon à lui donner une configuration parfaitement cylindrique présentant un aspect esthétique indiscutable. Cette seconde opération est absolument identique à la première opération décrite ci-­dessus en référence aux figures 1 à 3.During the following steps illustrated by FIGS. 4 and 5, the central hole 5 is conformed so as to give it a perfectly configuration cylindrical with an indisputable aesthetic appearance. This second operation is absolutely identical to the first operation described above with reference to Figures 1 to 3.

On commence donc (figure 4) par faire descendre la sonotrode vibrante 1 dans le produit de manière à découper une carotte cylindrique 9 centrée sur l'axe du trou 5 exécuté lors de la première opération, puis l'éjection de cette carotte 9 est réalisée à la remontée de la sonotrode 1 (figure 5), comme décrit précédemment, par le maintien de la vibration de la sonotrode et par un jet d'air comprimé.We therefore begin (Figure 4) by lowering the vibrating horn 1 into the product so as to cut a cylindrical core 9 centered on the axis of the hole 5 executed during the first operation, then the ejection of this core 9 is carried out when raising the sonotrode 1 (FIG. 5), as described above, by maintaining the vibration of the sonotrode and by a jet of compressed air.

On obtient finalement un trou 1O parfaitement cylindrique permettant de réaliser très facilement la découpe dans le produit 2 de portions en forme de secteurs, même de faibles dimensions, à l'aide de tout moyen classique, par exemple un fil tranchant, l'aspect esthétique des portions étant particulièrement attractif. De préférence ce trou 10 présente un diamètre de l'ordre de 10 à 30 mm de diamètre.Finally, a perfectly cylindrical hole 10 is obtained, making it very easy to cut into the product 2 portions in the form of sectors, even of small dimensions, using any conventional means, for example a sharp wire, the aesthetic appearance. portions being particularly attractive. Preferably this hole 10 has a diameter of the order of 10 to 30 mm in diameter.

Dans la variante de mise en oeuvre du procédé selon la présente invention illustrée par les figures 6 a 9, on exécute les mêmes opérations que celles décrites ci-dessus mais, dans des conditions qui permettent la reconstitution de l'intégralité de la forme prédécoupée, après la découpe en secteurs du produit 2.In the variant implementation of the method according to the present invention illustrated by FIGS. 6 to 9, the same operations are carried out as those described above but, under conditions which allow the entire precut shape to be reconstituted, after cutting the product into sectors 2.

Ce second exemple de mise en oeuvre utilise deux sonotrodes tubulaires de forme différente.This second example of implementation uses two tubular sonotrodes of different shape.

Lors de la première opération illustrée par les figures 6 à 8 et dont les phases sont identiques à celles de la première opération de l'exemple de mise en oeuvre décrit ci-dessus (figures 1 à 3), on met en oeuvre une sonotrode vibrante dont l'extrémité coupante 11′ présente un angle de dépouille α externe. La sonotrode descend en vibrant dans le produit 2 pour y pratiquer le trou 5′. On l'a fait ensuite remonté toujours en vibrant et l'insufflation du jet d'air comprimé assure l'expulsion de la carotte ou bouchon 6′. On obtient ainsi dans le produit 2 un trou ou logement cylindrique 5′ dont les dimensions et l'état de surface ne permettent pas de replacer le bouchon 6′ en ses lieu et place d'origine.During the first operation illustrated by FIGS. 6 to 8 and whose phases are identical to those of the first operation of the example of implementation described above (FIGS. 1 to 3), a vibrating sonotrode is used whose cutting end 11 ′ has an external clearance angle α. The sonotrode vibrates down into the product 2 to make the hole 5 ′. It was then reassembled still vibrating and the insufflation of the compressed air jet ensures the expulsion of the carrot or plug 6 ′. There is thus obtained in product 2 a cylindrical hole or housing 5 ′ whose dimensions and the surface condition does not allow the plug 6 ′ to be replaced in its place and place of origin.

C'est la raison pour laquelle on utilise ensuite une seconde sonotrode 12 dont l'extrémité coupante 12′ possède un angle de dépouille α′ inversé par rapport à l'angle de dépouille α de la sonotrode 11 précédemment utilisée et dont le diamètre externe D′ est légèrement supérieur au diamètre interne D de la première sonotrode 11.This is the reason why a second sonotrode 12 is then used, the cutting end 12 ′ of which has a clearance angle α ′ inverted with respect to the clearance angle α of the sonotrode 11 previously used and whose external diameter D ′ Is slightly greater than the internal diameter D of the first sonotrode 11.

Cette seconde sonotrode 12 est utilisée lors de la deuxième étape du procédé, illustrée par la figure 9 et qui est identique à l'opération décrite ci-dessus en référence aux figures 4 et 5.This second horn 12 is used during the second step of the method, illustrated in FIG. 9 and which is identical to the operation described above with reference to FIGS. 4 and 5.

Cette seconde étape permet d'aléser le trou 5′ précédemment réalisé de manière à obtenir finalement un trou central 10′ qui présente une forme parfaitement cylindrique et qui permet non seulement de réaliser la découpe du produit en secteurs dans les conditions décrites ci-dessus et également de remettre ensuite en place la carotte ou bouchon 5′ dans le trou central 10′. On peut ainsi reconstituer, après découpe du produit 2 en secteurs, l'intégralité de la forme prédécoupée de ce dernier, qui conserve ainsi sa présentation d'origine et son aspect attractif.This second step makes it possible to ream the hole 5 ′ previously made so as to finally obtain a central hole 10 ′ which has a perfectly cylindrical shape and which not only makes it possible to cut the product into sectors under the conditions described above and also replace the carrot or plug 5 ′ in the central hole 10 ′. It is thus possible to reconstruct, after cutting the product 2 into sectors, the entire pre-cut shape of the latter, which thus retains its original presentation and its attractive appearance.

Il demeure bien entendu que cette invention n'est pas limitée à l'exemple de réalisation et de mise en oeuvre qui vient d'être décrit mais qu'elle en englobe toutes les variantes.It remains to be understood that this invention is not limited to the example of embodiment and implementation which has just been described but that it encompasses all variants thereof.

Claims (9)

1. Procédé pour découper en secteurs de portions dans des produits alimentaires circulaires tels que des gâteaux, des fromages et similaires caractérisé en ce qu'il consiste à réaliser un trou de faible diamètre (10) au centre dudit produit circulaire (2) en utilisant une sonotrode-couteau tubulaire (1), puis à effectuer la découpe en secteurs a l'aide de tout élément tranchant approprié.1. Method for cutting into sectors portions in circular food products such as cakes, cheeses and the like characterized in that it consists in making a small diameter hole (10) in the center of said circular product (2) using a tubular sonotrode-knife (1), then cut into sectors using any suitable cutting element. 2. Procédé selon la revendication 1 caractérisé en ce que ladite sonotrode-couteau vibre à une fréquence de l'ordre de 10 à 40 kHz.2. Method according to claim 1 characterized in that said sonotrode-knife vibrates at a frequency of the order of 10 to 40 kHz. 3.Procédé selon l'une des revendications 1 ou 2 caractérisé en ce que le trou (1O) ralisé par ladite sonotrode avant la découpe présente un diamètre de l'ordre de 1O à 3O mm de diamètre.3. Method according to one of claims 1 or 2 characterized in that the hole (1O) made by said sonotrode before cutting has a diameter of the order of 10 to 30 mm in diameter. 4. Procédé selon l'une quelconque des revendications précédentes caractérisé en ce que ledit trou central est réalisé par ladite sonotrode-couteau en deux opérations : la première permettant d'obtenir un trou central (5) sensiblement cylindrique avec un étranglement dans sa partie équatoriale et une seconde opération identique permettant d'obtenir un trou parfaitement cylindrique (10).4. Method according to any one of the preceding claims, characterized in that said central hole is produced by said knife horn in two operations: the first making it possible to obtain a substantially cylindrical central hole (5) with a constriction in its equatorial part and a second identical operation making it possible to obtain a perfectly cylindrical hole (10). 5. Sonotrode-couteau pour la mise en oeuvre du procédé selon l'une quelconque des revendications précédentes caractérisée en ce qu'elle est de forme tubulaire, en longueur d'onde ou en demi longueur d'ondes suivant l'épaisseur du produit vibrant à une fréquence de l'ordre de 1O à 4O kHz et en ce qu'elle comporte des moyens pour éjecter la carotte découpée dans ledit produit lors de la réalisation du trou central.5. Sonotrode-knife for implementing the method according to any one of the preceding claims, characterized in that it is tubular in shape, in wavelength or in half wavelength depending on the thickness of the vibrating product at a frequency of the order of 1O to 4O kHz and in that it includes means for ejecting the core cut from said product when the central hole is made. 6. Sonotrode- couteau selon la revendication 5 caractérisée en ce que les moyens assurant l'éjection de la carotte consistent en une insufflation d'air comprimé injecté par un orifice axial prévu dans la partie creuse (7) de la sonotrode (1).6. Sonotrode-knife according to claim 5 characterized in that the means ensuring the ejection of the carrot consist of a blowing of compressed air injected by an axial orifice provided in the hollow part (7) of the sonotrode (1). 7. Sonotrode-couteau selon l'une des revendications 5 ou 6, caractérisée en ce qu'elle possède une extrémité inférieure coupante présentant un angle de dépouille (α) externe.7. Sonotrode-knife according to one of claims 5 or 6, characterized in that it has a cutting lower end having an external clearance angle (α). 8. Sonotrode-couteau selon l'une des revendications 5 ou 6, caractérisée en ce qu elle possède une extrémité inférieure coupante présentant un angle de dépouille (α′) interne.8. Sonotrode-knife according to one of claims 5 or 6, characterized in that it has a cutting lower end having an internal clearance angle (α ′). 9. Procédé pour découper en secteurs des portions dans des produits alimentaires circulaires selon l'une quelconque des revendications 1 à 4 en mettant en oeuvre des sonotrodes-couteaux selon l'une quelconque des revendications 5 à 8, caractérisé en ce qu'il met en oeuvre deux sonotrodes vibrantes (11, 12) :
- une première sonotrode tubulaire (11) à angle de dépouille (α) externe afin de réaliser un trou central (5′) de forme sensiblement cylindrique et ;
- une seconde sonotrode tubulaire (12) dont l'angle de dépouille (α′) est inversé par rapport à celui (α) de la première sonotrode (11) et dont le diamètre externe (D′) est légèrement plus grand que le diamètre interne (D) de la première sonotrode (11) afin d'aléser parfaitement le trou préalablement réalisé, la carotte ou bouchon (6′) provenant de la réalisation du trou (5′) étant ensuite remise en place dans le trou central (10′) ainsi alésé, immédiatement après la découpe du produit en secteurs, afin d'en reconstituer l'intégralité.9. Method for cutting portions into sections in circular food products according to any one of claims 1 to 4 by using sonotrodes-knives according to any one of claims 5 to 8, characterized in that it puts using two vibrating horns (11, 12):
- a first tubular sonotrode (11) with external clearance angle (α) in order to produce a central hole (5 ′) of substantially cylindrical shape and;
- a second tubular sonotrode (12) whose clearance angle (α ′) is reversed relative to that (α) of the first sonotrode (11) and whose external diameter (D ′) is slightly larger than the diameter internal (D) of the first sonotrode (11) in order to perfectly bore the hole previously made, the core or plug (6 ′) coming from the realization of the hole (5 ′) then being replaced in the central hole (10 ′) Thus reamed, immediately after cutting the product into sectors, in order to reconstitute all of it.
EP19900400450 1989-02-21 1990-02-19 Process for segmentally cutting circular products, especially food products Withdrawn EP0384821A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8902239A FR2643303B3 (en) 1989-02-21 1989-02-21 METHOD FOR CUTTING CIRCULAR PRODUCTS, ESPECIALLY FOOD, INTO SECTORS
FR8902239 1989-02-21

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EP0384821A2 true EP0384821A2 (en) 1990-08-29
EP0384821A3 EP0384821A3 (en) 1991-10-23

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EP (1) EP0384821A3 (en)
FR (1) FR2643303B3 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543628A1 (en) * 1991-11-21 1993-05-26 Unilever Plc Food processing
WO2000062984A1 (en) * 1999-04-17 2000-10-26 Acco-Rexel Group Services Limited Vibrating means for punching devices
DE102006020418A1 (en) * 2006-04-26 2007-10-31 Herrmann Ultraschalltechnik Gmbh & Co. Kg Device for processing workpieces by means of ultrasound
GB2481062A (en) * 2010-06-11 2011-12-14 Long Clawson Dairy Ltd An apparatus and method for decrusting a cheese
WO2016207524A1 (en) * 2015-06-24 2016-12-29 Gaztransport Et Technigaz Method and device for cutting fibrous or cellular insulating material
IT201800006632A1 (en) * 2018-06-25 2019-12-25 PROCEDURE FOR PACKAGING A HARD PASTA CHEESE AND RELATIVE PACKAGING

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR425236A (en) * 1911-01-25 1911-06-06 Carl Klautschke Cheese cutting device
US3416398A (en) * 1966-07-05 1968-12-17 Albert G. Bodine Jr. Sonic cutting apparatus
US3817141A (en) * 1971-11-24 1974-06-18 S Simonetti Ultrasonically driven cutting knife and method and apparatus for cutting a soft yielding bakery product
NL8100051A (en) * 1981-01-07 1981-08-03 Op T Root Maschf B V Deep-frozen gateau is cut into central piece and sectors - then decorated and re-frozen for storage and distribution to point of sale
EP0278550A1 (en) * 1987-01-20 1988-08-17 Dmv-Campina B.V. A method of, and apparatus for, slicing cheese, as well as slices obtained by using this method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR425236A (en) * 1911-01-25 1911-06-06 Carl Klautschke Cheese cutting device
US3416398A (en) * 1966-07-05 1968-12-17 Albert G. Bodine Jr. Sonic cutting apparatus
US3817141A (en) * 1971-11-24 1974-06-18 S Simonetti Ultrasonically driven cutting knife and method and apparatus for cutting a soft yielding bakery product
NL8100051A (en) * 1981-01-07 1981-08-03 Op T Root Maschf B V Deep-frozen gateau is cut into central piece and sectors - then decorated and re-frozen for storage and distribution to point of sale
EP0278550A1 (en) * 1987-01-20 1988-08-17 Dmv-Campina B.V. A method of, and apparatus for, slicing cheese, as well as slices obtained by using this method

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543628A1 (en) * 1991-11-21 1993-05-26 Unilever Plc Food processing
WO2000062984A1 (en) * 1999-04-17 2000-10-26 Acco-Rexel Group Services Limited Vibrating means for punching devices
GB2351934A (en) * 1999-04-17 2001-01-17 Acco Rexel Group Serv Ltd Vibrating means for punching devices
GB2351934B (en) * 1999-04-17 2003-05-21 Acco Rexel Group Serv Ltd Vibrating means for punching devices
DE102006020418A1 (en) * 2006-04-26 2007-10-31 Herrmann Ultraschalltechnik Gmbh & Co. Kg Device for processing workpieces by means of ultrasound
US7959054B2 (en) 2006-04-26 2011-06-14 Hermann Ultraschalltechnik GmbH Device for processing workpieces using ultrasound
GB2481062A (en) * 2010-06-11 2011-12-14 Long Clawson Dairy Ltd An apparatus and method for decrusting a cheese
GB2481062B (en) * 2010-06-11 2014-07-02 Long Clawson Dairy Ltd An apparatus and method for processing a cheese
WO2016207524A1 (en) * 2015-06-24 2016-12-29 Gaztransport Et Technigaz Method and device for cutting fibrous or cellular insulating material
FR3037843A1 (en) * 2015-06-24 2016-12-30 Gaztransport Et Technigaz METHOD AND DEVICE FOR CUTTING FIBROUS OR ALVEOLA INSULATING MATERIAL
CN107921654A (en) * 2015-06-24 2018-04-17 气体运输技术公司 A kind of method and device for cutting fibre or porous heat insulation material
IT201800006632A1 (en) * 2018-06-25 2019-12-25 PROCEDURE FOR PACKAGING A HARD PASTA CHEESE AND RELATIVE PACKAGING

Also Published As

Publication number Publication date
FR2643303A1 (en) 1990-08-24
EP0384821A3 (en) 1991-10-23
FR2643303B3 (en) 1991-10-11

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