EP1295640B1 - Schneidevorrichtung für Lebensmittelzerkleinerer - Google Patents

Schneidevorrichtung für Lebensmittelzerkleinerer Download PDF

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Publication number
EP1295640B1
EP1295640B1 EP02360270A EP02360270A EP1295640B1 EP 1295640 B1 EP1295640 B1 EP 1295640B1 EP 02360270 A EP02360270 A EP 02360270A EP 02360270 A EP02360270 A EP 02360270A EP 1295640 B1 EP1295640 B1 EP 1295640B1
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EP
European Patent Office
Prior art keywords
cutting
edge
leading edge
legs
edges
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.)
Expired - Lifetime
Application number
EP02360270A
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English (en)
French (fr)
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EP1295640A1 (de
Inventor
Guy David
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP1295640A1 publication Critical patent/EP1295640A1/de
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C18/362—Knives

Definitions

  • the present invention relates to a knife device for crusher used in the field of food, and more particularly for meat.
  • grinders are part of a processing chain where they can grind products intended to be incorporated into others for food preparation.
  • a grinder comprises a hopper opening into a chamber in which a worm acts, the end of said chamber being closed by a grid, while the end of the worm is provided with one or more knives whose cutting edge cuts the material before passing through said grid.
  • the knife is generally made in one piece and has the shape of a star with several radial branches, each provided with a leading edge comprising a cutting edge intended to cooperate with the grid which constitutes the anvil and against which turns said knife.
  • a mill may also comprise two coaxial grids between which the knife acts, in this case the leading edge of the knife's limbs has two cutting edges cooperating each with a grid.
  • Some of these knives have branches with a curved profile, that is to say they have a sword-shaped configuration, so that the leading edge of each of them, and therefore the sharp edge is Convex shape, this in order to achieve the cutting of the meat and not its crushing, and to give the knife a geometry that allows it to promote the passage of meat from the back to the front.
  • a sword-shaped configuration so that the leading edge of each of them, and therefore the sharp edge is Convex shape, this in order to achieve the cutting of the meat and not its crushing, and to give the knife a geometry that allows it to promote the passage of meat from the back to the front.
  • the object of the present invention is to propose a knife device for a grinder allowing an even faster passage of the treated material, thus limiting the carbon dioxide injections, and thus allowing the realization of savings.
  • the crusher knife device used in the field of food, and more particularly for meat is of the type made in one piece, having the shape of a star with several branches each provided with a leading edge having at least one cutting edge adapted to cooperate with a gate serving as anvil, wherein said branches have a curved profile so that the leading edge of each of them, and thus the cutting edge is of convex shape, and it is essentially characterized in that each of said branches comprises two cutting edge edges of between 19 and 28 °, each intended to cooperate with a grid, while the flank faces are parallel.
  • the cutting edge of the leading edge of each of the branches has a cutting angle of 22 °.
  • the cutting faces are joined by a plane wall of curvature identical to that of the branches.
  • each of the branches has a concave transverse profile leading face, which avoids a clogging phenomenon, thus accelerating the passage of the meat.
  • each of the branches comprises two cutting edges each intended to cooperate with a grid, the flank faces being parallel, while the cutting faces meet along an edge.
  • the branches are asymmetrical that is to say that the cutting edges are coaxial but of radius of curvature of different lengths, so that one of said edges, intended to be fed first, is of radius of curvature larger and is projected forward with respect to the other, which allows to obtain a suction effect that further accelerates the passage of meat.
  • the cutting edge with the largest radius of curvature has a cutting angle of 25 °, while the other edge has a cutting angle of 22 °. °.
  • FIG. 1 represents a partial schematic plan view of a knife device according to the invention.
  • FIG. 2 represents a partial schematic view in cross section along the axis XX 'of FIG. 1.
  • Figure 3 shows a perspective view of another embodiment of the same device.
  • Figure 4 shows a partial schematic cross-sectional view of a portion of this other embodiment.
  • a knife device is in the form of a star with several branches 1 each provided with a leading edge 2.
  • the number of branch 1 can to be variable, in the embodiment shown there are eight in number, of which only three are visible.
  • the branches 1 are of curved shape, radius, curvature varying with the dimensions of the knife, and more particularly the diameter thereof.
  • each of the branches 1 comprises two cutting edges 3 and 4 curves, defined, for the first, by a clearance face 30. and a cutting face 31, and for the second by a clearance face 40 and a cutting face 41.
  • the stripping faces 30 and 40 intended to come into contact with grids, not shown, are parallel so that the stripping angles are zero, while the cutting angles ⁇ are identical, between 19 and 25 °, in occurrence 22 °. Furthermore, the cutting faces 31 and 41 are joined by a planar face 20 giving the leading edge a concave trapezoidal profile.
  • each branch 1 comprises two cutting edges 5 and 6, also curved, defined, for the first, by a face of clearance 50 and a cutting face 51, and for the second by a clearance face 60 and a cutting face 61, the cutting faces 51 and 61 joining at an edge 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing Of Meat And Fish (AREA)
  • Crushing And Grinding (AREA)
  • Cereal-Derived Products (AREA)
  • Food-Manufacturing Devices (AREA)

Claims (5)

  1. Schneidevorrichtung für im Bereich der Nahrungsmittel und insbesondere für Fleisch benutzte Zerkleinerer, der Art hergestellt aus einem einzigen Stück, aufweisend die Gestalt eines Sternes mit mehreren Schenkeln (1), jeweils versehen mit einer Vorderkante (2), umfassend wenigstens eine Schneidkante, vorgesehen, um mit einem als Amboß dienenden Gitter zusammenzuwirken, und wo die besagten Schenkel (1) ein gekrümmtes Profil aufweisen, derart, daß die Vorderkante (2) von jedem von ihnen, und also die Schneidkante, eine konvexe Form habe, dadurch gekennzeichnet, daß jeder von den besagten Schenkel (1) zwei Schneidkanten (3, 4 ; 5, 6) mit einem zwischen 19 und 28° liegenden Schneidewinkel (α, β) umfaßt, jeweils vorgesehen, um mit einem Gitter zusammenzuwirken, während die Freiflächen (30, 40 ; 50, 60) parallel sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Schneidkante (3, 4, 6) der Vorderkante (2) von jedem der Schenkel (1) einen Schneidewinkel (α) von 22° aufweist.
  3. Vorrichtung nach Anspruch 1 oder Anspruch 2, bei der die Schneidflächen (31, 41) durch eine flache Wand (20) mit einer Biegung, identisch wie jene der Schenkel (1), verbunden sind.
  4. Vorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß jeder der Schenkel (1) zwei Schneidkanten (5, 6) umfaßt, wobei die Freiflächen (50, 60) parallel seien, während sich die Schneidflächen (51, 61) an einer Rippe (21) wieder zusammenfinden, und daß die besagten Schneidkanten (5, 6) koaxial sind, aber Krümmungsradien mit unterschiedlichen Längen haben, derart, daß die Kante (5), vorgesehen, um als erste gespeist zu werden, den größeren Krümmungsradius habe und also vorspringend hinsichtlich der anderen Kante (6) ist.
  5. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Schneidkante (5) mit dem größten Krümmungsradius einen Schneidewinkel (β) von 25° aufweist, während die andere Schneidkante (6) einen Schneidewinkel (α) von 22° aufweist.
EP02360270A 2001-09-19 2002-09-19 Schneidevorrichtung für Lebensmittelzerkleinerer Expired - Lifetime EP1295640B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0112081 2001-09-19
FR0112081A FR2829710B1 (fr) 2001-09-19 2001-09-19 Dispositif de couteau pour broyeur utilise dans le domaine de l'alimentaire

Publications (2)

Publication Number Publication Date
EP1295640A1 EP1295640A1 (de) 2003-03-26
EP1295640B1 true EP1295640B1 (de) 2007-05-02

Family

ID=8867416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02360270A Expired - Lifetime EP1295640B1 (de) 2001-09-19 2002-09-19 Schneidevorrichtung für Lebensmittelzerkleinerer

Country Status (5)

Country Link
EP (1) EP1295640B1 (de)
AT (1) ATE361147T1 (de)
DE (1) DE60219860T2 (de)
ES (1) ES2284800T3 (de)
FR (1) FR2829710B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2427818A (en) 2005-07-04 2007-01-10 Jo At Ltd Rotary knife
DE202013006419U1 (de) 2013-07-16 2013-08-02 Lumbeck & Wolter Gmbh & Co. Kg Messer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR607099A (fr) * 1925-11-27 1926-06-25 Couteau pour hache-viandes
US1906609A (en) * 1928-09-04 1933-05-02 Eugen Esslen Meat chopper
DE871683C (de) * 1950-07-20 1953-03-26 Patent Schneidwerkzeuge Ind G Doppelschneidiges Fleischwolfmesser
DE3414375A1 (de) * 1984-04-16 1985-10-17 Veb Kombinat Nagema, Ddr 8045 Dresden Meser zum zerkleinern von tierischen rohstoffen, vorzugsweise in fleischwoelfen
RU1791020C (ru) * 1990-08-06 1993-01-30 М.П.Щепин. Многоперьевой нож к измельчителю пищевых продуктов

Also Published As

Publication number Publication date
ATE361147T1 (de) 2007-05-15
FR2829710A1 (fr) 2003-03-21
EP1295640A1 (de) 2003-03-26
FR2829710B1 (fr) 2004-07-30
DE60219860D1 (de) 2007-06-14
DE60219860T2 (de) 2008-01-17
ES2284800T3 (es) 2007-11-16

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