EP2799193A1

EP2799193A1 - Slicer blade

Info

Publication number: EP2799193A1
Application number: EP13166556.4A
Authority: EP
Inventors: Matthias Fleischhauer; Alexander Marakanow
Original assignee: Brandenburgische Technische Universitaet Cottbus
Current assignee: Brandenburgische Technische Universitaet Cottbus
Priority date: 2013-05-03
Filing date: 2013-05-03
Publication date: 2014-11-05
Also published as: WO2014177711A1; EP2895307A1

Abstract

The present invention relates to a slicer blade 100, in particular for use in food slicing devices, in form of a circular disk, with an upper side and a lower side, wherein the upper side is the side that during operation faces the material to be cut, and wherein in the centre area a boss, surrounded by a boss area 3 is formed, and wherein at the circumference of the circular disk a cutting area 1 with a cutting edge is provided, and wherein base body 2 extends between boss area 3 and cutting area 1, characterized in that base body 2 comprises at least two steppings, wherein one stepping is provided at the interface 7 between cutting area 1 and base body 2 on the lower side of slicer blade 100, and the second stepping is provided at the interface 6 between boss area 3 and base body 2 at the lower side of slicer blade 100.

Description

The present invention relates to a slicer blade for use in slicing machines for cutting foodstuff like cheese, sausage, meat and the like.

State of the art

In the state of the art different kinds of slicer blades are already known. European patent application EP 1 434 672 A1 to Weber Maschinenbau GmbH & Co. KG discloses a rotatingly driven cutting blade that comprises a stabilizing zone, wherein at least one stabilizing circularly extending arch is provided.
German patent application DE 44 29 046 A1 teaches a slicer blade that comprises bars, preferably formed on one side of the blade and extending from the centre to the outer periphery of the blade.
Furthermore slicer blades without any embossments in the surface of the blades are known.
These slicer blades of the state of the art have in common that irrespective the diameter thereof they have the same weight, adapted for use in predetermined slicing devices. As an example, for use with a well established slicing device of the state of the art, the predetermined maximum weight of the slicer blade is in the area of 5,300 g. Until now, the common diameter of a slicer blade with a weight that does not extend over the above detailed value, is in the area of between 300 mm and 480 mm.
But nevertheless slicer blades of larger diameters are much in demand to increase the amount of foodstuff cut at a time.
Increasing the diameter of a slicer blade over 480 mm, while keeping the predetermined weight, without any further modification of the slicer blade, can lead to increased deflections of the slicer blade during operating state This leads to deviations from the predetermined width of slice and an increase of clippings.
In the operating state, namely during rotation about the axis of the blade or during eccentric rotation, an axial deflection in respect to an axis extending from the disk shaped slicer blade is induced. Thereby the cutting edge angle and the secondary cutting edge angle of the slicer blade are adversely affected. The reason for this deviation is believed to be the cone shaped fundamental shape of the slicer blades of the state of the art and the centrifugal force induced by the rotating mass. The centrifugal force acts upon the slicer blade in a way to distort the cone shaped disk to a plane disk.

Problem of the invention

The problem of the invention is to overcome the drawbacks of the state of the art and to provide a slicer blade that shows high accuracy and a low deflection even with a diameter of more than 480 mm.
It is an aim of the invention to reduce distortion and deviation of the slicer blade and especially of the cutting edge of the slicer blade. Thereby the shape of the cutting edge contour is preserved during operation and cutting is performed with high accuracy and good results.
Furthermore it is an aim of the invention to provide a slicer blade with a diameter of more than 480 mm that still shows reduced distortion and deviation.

Solution of the problem

The problem of the invention is solved by providing a slicer blade 100, in particular for use in food slicing devices, in form of a circular disk, with an upper side and a lower side, wherein the upper side is the side that during operation faces the material to be cut, and wherein in the centre area a boss, surrounded by a boss area 3 is formed, and wherein at the circumference of the circular disk a cutting area 1 with a cutting edge is provided, and wherein base body 2 extends between boss area 3 and cutting area 1, characterized in that base body 2 comprises at least two steppings, wherein one stepping is provided at the interface 7 between cutting area 1 and base body 2 on the lower side of slicer blade 100, and the second stepping is provided at the interface 6 between boss area 3 and base body 2 at the lower side of slicer blade 100.
Especially preferred is a slicer blade 100, wherein the material thickness of boss area 3 is larger than the material thickness of base body 2.
Preferred is a slicer blade 100 wherein at the stepping between cutting area 1 and base body 2 an elevation angle β is formed, and at the stepping between boss area 3 and base body 2 an elevation angle γ is formed, wherein angle β and γ are independently selected from angles between 30° and 90°.
Particularly preferred is a slicer blade 100 wherein cutting area 1 emerges over the lower side of the slicer blade.
In a preferred embodiment of slicer blade 100, base body 2 is provided with a region of reduced material thickness, which region is arranged rotationally symmetric along the circumference of at least one circle, which circle is concentric to the circular disk shaped slicer blade.
Especially preferred is a slicer blade 100, wherein the at least one region of reduced material thickness spans the entire circumference of the at least one concentric circle.
Particularly preferred is a slicer blade 100, wherein the at least one region of reduced material thickness spans parts of the circumference of the at least one concentric circle.
Especially preferred is an embodiment of slicer blade 100, wherein at least two regions of reduced material thickness are provided in base body 2, wherein one region of reduced material thickness is a continuous region that spans the entire circumference of a concentric circle and the other region is a interrupted region that spans parts of a further concentric circle.
Furthermore advantageous is a slicer blade 100, wherein the at least one region of reduced material thickness is an impression or an aperture.
Additionally preferred is a slicer blade 100, wherein the at least one region of reduced material thickness in the top view has a base area in form of a triangle, a square, a rectangle, a circle, an ellipse or a double ellipse.
Particularly advantageous is a slicer blade 100, wherein the at least one region of reduced material thickness has the form of a groove or a slit. Preferred is a slicer blade 100, wherein the groove has a cross section in form of a trapezium, a rectangle, a square, a triangle, a circle or an ellipse.
Especially preferred is a slicer blade 100 , wherein base body 2 comprises a region of reduced material thickness in form of a groove with a cross section in form of a trapezium, and a region of reduced material thickness in form of a number of elliptic and/or double elliptic apertures.

Brief description of the drawings

Fig. 1 shows a half section of a slicer blade according to the invention with a stepping between cutting area and base body and between base body and boss area.
Fig. 2 shows a plane view of the slicer blade of Fig. 1.
Fig. 3 shows a half section of a slicer blade according to the invention with a region of reduced material thickness in form of a groove.
Fig. 4 shows a slicer blade according to the invention with regions of reduced material thickness in form of multiple apertures.
Fig. 5 shows a slicer blade according to the invention with a region of reduced material thickness in form of a groove and regions of reduced material thickness in form of multiple double elliptic apertures.
Fig. 6 shows a cross section and a plane view of a of a further embodiment of a slicer blade according to the invention.
Fig. 7 shows an embodiment of the slicer blade with elliptic areas of reduced material thickness.

In Fig. 8 shows the experimental results and simulation results in respect of displacement of a slicer blade according to the invention.
The intended mass of a slicer blade is linked to the respective slicer machine to be used with. For eccentrically rotating slicer blades the related slicer machine is provided with a mass-balance weight in order to prevent unfavourable oscillations. Therefore all changes in respect of shape and size of the slicer blade have to be performed within the limits of the intended mass predetermined by the slicing device the slicer blade will be used with.
The invention is further detailed with reference to the accompanying drawings showing preferred embodiments of the present invention.
Figs. 1 to 7 show different embodiments of slicer blade 100 according to the invention.
As can be seen in Figs. 1 to 7 slicer blade 100 according to the invention is in form of a circular disk.
In a preferred embodiment slicer blade 100 according to the invention is made of stainless steel or tool steel and is formed by cutting, moulding or a combination thereof.
During operation the upper side of slicer blade 100 faces the material to be sliced. In the centre of slicer blade 100 a boss is formed, surrounded by boss area 3. Boss and boss area 3 serve for fixing slicer blade 100 at a slicing device (not shown). At the circumference of slicer blade 100 cutting area 1 with a cutting edge is provided to slice and split the foodstuff. It is preferred that cutting area 1 emerges over the lower side of slicer blade 100. The extent of this emerging of cutting area 1 is defined by parameter A1, shown in Fig. 1 and will be detailed later.
Base body 2 of slicer blade 100 extends between boss area 3 and cutting area 1 and serves to stabilize the slicer blade and to connect boss area 3 and cutting area 1.
The material thicknesses of boss area 3 and base body 2 can be equal or different. Fig. 6 shows an embodiment where the material thickness of the boss area 3 is larger than the maximum material thickness of base body 2.
In general boss area 3 comprises means like fixing bores 9 to be used with fasteners to fix the slicer blade at a slicing machine. Furthermore, additional means, like fixing bores 9 can be provided to be used with fasteners for fixing protecting means for the blade. The protecting means help to prevent unintended contact with cutting area 1.
As already mentioned, boss area 3 serves to connect slicer blade 100 with a slicing device. The diameter of boss area 3 will depend on the slicing device and the means used for fixing slicer blade100 to said device. Generally, the connection between slicer blade 100 and slicing device is performed via a plane clamping plate and a pin extending through the boss of slicer blade 100. Nowadays common clamping plates of the state of the art have a diameter of between 90 mm and 100 mm. The diameter of boss area 3 usually is between 50 mm and 100 mm, but depending on the presets defined by a certain slicing device the diameter of boss area 3 of the slicer blade 100 according to the invention can be adapted accordingly.
Slicer blade 100 according to the invention shows a comparably reduced deflection of the cutting area during operation. This effect is achieved by introducing at least two steppings in base body 2. One stepping of these at least two steppings is arranged at the upper side of slicer blade 100 at the interface 7 between base body 2 and cutting area 1. The second stepping of the at least two steppings is arranged at the lower side of slicer blade 100 at the interface 6 between boss area 3 and base body 2. The position of the interface between base body 2 and cutting area 1 depends on the diameter of slicer blade 100 and the diameter of cutting area 1. In the state of the art a well established diameter of a cutting area is in the area of 120 mm.
In a preferred embodiment of the invention the diameter of boss area 3 is 100 mm and thus the stepping between boss area 3 and base body 2 starts at a diameter of about 100 mm.
The edges of the steppings can be smooth or angular.
The angle of elevation γ of the stepping between boss area 3 and base body 2 is between 30° and 90°, in particular angle γ is 45°.
The angle of elevation β of the stepping between base body 2 and cutting area 1 is between 30° and 90°, in particular angle β is 45°.
The inventors found that vertical borders at the Interface between base body and boss area give better results than angled junctions in respect of total displacement but increase notch stress.
According to the invention the stabilizing effect accomplished by introducing at least two steppings is furthermore promoted by providing regions of reduced material thickness in base body 2. Figs. 3 to 6 show a slicer blade according to the invention with areas of reduced material thickness.
The inventors have found that the introduction of regions with reduced thickness of material in base body 2 can help to stiffen slicer blade 100 and thus help to reduce deflections.
In the context of the present invention reduced material thickness means that the cross section in the respective region of the slicer blade is decreased and the maximum reduction of material thickness in this context is a perforation. The term "wall thickness" can be synonymously used for "material thickness". The reduction of material thickness can be performed by any means known in the state of the art like ablating material or by perforating of the slicer blade.
The regions of reduced material thickness are arranged rotationally symmetric along the circumference of at least one circle, which circle is concentric to the circular disk shaped slicer blade 100. In one case the region of reduced material thickness spans an entire circle. That means that the region of reduced material thickness continuously extends along said circle without leaving on this circle any area of non reduced material thickness. For this region the term "continuous region of reduced material thickness" is used synonymously.
Where the region of reduced material thickness only spans parts of the circumference of a concentric circle, between the regions of reduced material thickness areas of non reduced material thickness are retained. This region is synonymously called "interrupted region of reduced material thickness".
In preferred embodiments of the invention, shown in Figs. 4 to 6 slicer blade 100 comprises more than one region of reduced material thickness. Figs. 5 and 6 show embodiments of the invention wherein slicer blade 100 has two regions of reduced material thickness, one spanning an entire concentric circle and the other region spanning only parts of a second concentric circle.
Furthermore Fig. 6 shows a slicer blade according to the invention wherein a large stepping between boss and base body is formed, and wherein two regions of reduced material thickness are formed. In this slider blade the material thickness in boss area 3 is larger than the material thickness in base body 2.
Slicer blade 100 according to the invention shows reduced distortion and deviation compared to slicer blades of the state of the art.
The first Eigen frequency of the slicer blade according to the invention during operation is higher than the critical speed.
Furthermore it is particularly beneficial that the mass inertia of slicer blade 100 according to the invention is reduced compared to slicer blades of the state of the art with the same diameter. This helps to reduce the amount of energy needed for acceleration and deferment of the slicer blade.
And additionally it is an advantage of the slicer blade 100 according to the invention that even with increasing diameter of the slicer blade the favourable characteristics of the slicer blade are retained. It was found that slicer blade 100 according to the invention, even with a diameter of more than 480 mm, still shows a reduced deflection compared with slicer blades of the state of the art. According to simulations using the Finite Element Method (FEM) the inventors found out that an embodiment of the invention with a diameter of 520 mm still shows very good results.
Furthermore it is particularly advantageous that according to the invention that the mass of slicer blade 100 can be adjusted to an intended mass that is predetermined for a certain slicing device. Thereby the slicer blade according to the invention can have a diameter of up to 520 mm by retaining the intended mass and with negligible distortion. This allows for the slicing of a greater amount of food within a certain time period compared to slicer blades with lower diameters.
The inventors have surprisingly found that a combination of continuous and interrupted regions of reduced material thickness in base body 2 is highly preferred. Especially preferred is an embodiment of the slicer blade wherein the cross section of the continuous region of reduced material thickness is in form of a triangle or trapezium.
Furthermore preferred is that the interrupted region of reduced material thickness comprises recesses and/or perforations that in top view are in form of a double ellipse.
In a preferred embodiment the wall thickness of base body 2 in the region of reduced material thickness is not lower than 3 mm.
In slicer blades according to the invention with larger diameters it is preferred to increase the Eigen frequencies and therefore the thickness of the wall in regions without reduced material thickness in base body 2 and in boss area 3 is preferably between 4.0 mm and 10.0 mm, and especially about 5 mm.
In Fig. 1 a half section of a slicer blade according to the invention is shown. Indicated are the external diameter of the slicer blade (d1), the external diameter of base body 2 (d2), angles β and γ, the wall thickness of base body 2 (material thickness mt2) and wall thickness (material thickness) of boss area 3 (mt3). As can be derived from Fig. 1, parameter A1 is defined as the axial distance between the peek of the cutting edge and base body 2.
The inventors found a relation between parameter A1 and the total displacement at the blade edge. For each slicer blade parameter A1 has a reversal point where almost complete extermination of displacement at the blade edge during pure rotation can be reached. But at this point the slicer blade forms an unstable equilibrium and should not be manufactured. If parameter A1 has a value that is lower than this reversal point the cutting area moves in the direction of the material to be sliced. If A1 is larger than the value at the reversal point the cutting area is displaced in the direction of the boss and therefore moves away from the material to be sliced. Near to the turning point the maximum of displacement lies in the region of the base body.
The inventors have found that for a slicer blade according to the invention with a diameter of 480 mm without regions of reduced material thickness the reversal point for A1 is near to 0.5 mm. This embodiment with A1 = 2.0 mm showed a displacement of 0.78 mm and this is well below the reference value (less than 1.0 mm).
This result shows the advantage of the slicing according to the invention since this value was reached with a slicer blade having a larger diameter than the slicer blades of the state of the art.
With introducing regions of reduced material thickness the inventors found that the reversal point for A1 shifts to higher values. The inventors investigated the characteristics of a slicer blade according to the invention with the same diameter of 480 mm but with a continuous region of reduced material thickness and with an interrupted region of reduced material thickness. In this embodiment the reversal point for A1 is near to 1.90 mm and with a displacement of only 0.12 mm this embodiment is particularly preferred.

Experimental data

Example 1

The slicer blade shown in Fig. 7 has a conical cutting area 1 and two steppings. One stepping is situated at the interface between base body 2 and cutting area 1, the second stepping is provided at the interface between base body 2 and boss area 3. An interrupted region of reduced material thickness in form of 6 elliptic perforations is arranged in base body 2. The passage between boss area 3 and base body 2 has an angle γ of 45° and the stepping edge is elliptically rounded.
In this embodiment parameter A1 is 2.00 mm and the outer diameter d1 of the slicer blade is 480 mm.

The experimental results in respect of displacement during uniform motion were in compliance with the results derived calculations using the Finite Element Method (FEM). In particular the FE calculation with geometric non-linearities showed a low deviation of 2.2 % in respect to the average value of experimental results. The deviation from the average value using the strict linear calculation is 31 % and comparatively high. Table 1 shows the experimental results and the data derived from simulation at 5,600 rpm.

Table 1

Explanation	Displacement [mm]	Deviation
Testing bench, mean value	0.64	0%
Testing, minimum value	0.59	-7.8%
Testing, maximum value	0.69	+7.8%
Simulation model, linear	0.83	+31.0%
Simulation model non linear	0.65	+2.2%

The comparatively high deviation is caused by the characteristic design of the slicer blade according to the invention. Therefore it is recommended to use linear calculations with geometric non-linearities.
In Fig. 8 the results in respect of displacement of the slicer blade under investigation are presented. The presentation of the results in form of curves illustrate that the aim to maximally get a displacement of 1 mm at 5,600 rpm at the cutting edge was reached with results showing even much lower values for displacement.
Beside this according the operating personnel rated the noise generation to be moderate and not annoying.
In Fig. 8 the curves represent the following data:

Testing bench, minimum displacement
Testing bench, maximum displacement
Testing bench, mean value displacement
Simulation model, non linear
Simulation model, linear

Examples 2 and 3

Examples 2 and 3 show results for two further embodiments of the present invention derived using the Finite Element Method.

Example 2

The slicer blade shown in Figs. 1 and 2 (without regions of reduced material thickness) was investigated. The outer diameter of this slicer blade is 480 mm, the wall thickness (material thickness) is 4.8 mm. The intended weight is 5,250 ± 50 g.
The slicer blade is made of steel (AISI D2).

Table 2 shows the influence of the change of parameters A1 to the maximum of the displacement in the blade axis direction (max_disp_x), the maximum of the comparison stress (max_stress_vm) and the total mass (total_mass).
The result of study is that the turning point and minimum of the displacement of slicer blade is near to parameter A1 = 0.5 mm . At this parameter the maximum of displacement can be found at base body.
The maximum of the comparison stress is a notch stress, which can be found at the Interface between base body and boss area. With increasing value of the parameter A1 the stress rises, however, the yield strength of the material with a value of 420 N / mm 2 is not exceeded.
The underlined values show the optimum for manufacturing.

Table 2

parameter A1 [mm]	max_disp_x [mm]	max_stress_vm [N/mm²]	total_mass [kg]
0	-0.26	214.32	5.28
0.1	-0.22	217.75	5.28
0.2	-0.18	221.22	5.28
0.3	-0.13	224.73	5.28
0.4	-0.09	228.26	5.28
0.5	0.09	231.83	5.28
0.6	0.10	235.42	5.28
0.7	0.10	239.03	5.28
0.8	0.13	242.65	5.28
0.9	0.18	245.32	5.27
1	0.23	248.90	5.27
1.1	0.29	252.49	5.27
1.2	0.34	256.05	5.27
1.3	0.40	259.60	5.27
1.4	0.45	263.13	5.27
1.5	0.51	272.35	5.27
1.6	0.56	277.24	5.27
1.7	0.61	281.47	5.27
1.8	0.67	284.95	5.27
1.9	0.72	280.68	5.27
2	0.78	284.38	5.27
2.1	0.83	288.16	5.27
2.2	0.88	291.61	5.27
2.3	0.93	297.50	5.27
2.4	0.98	299.25	5.27
2.5	1.03	302.64	5.27
2.6	1.08	305.96	5.27
2.7	1.12	308.25	5.27
2.8	1.16	311.57	5.26
2.9	1.21	314.67	5.26
3	1.25	312.83	5.26

Example 3

The slicer blade shown in Fig. 6 was investigated. This embodiment is provided with a continuous area of reduced material thickness and an interrupted area of perforations. The outer diameter of this slicer blade is 480 mm, the value for wall thickness differs between the different areas. The intended weight is 5,250 ± 50 g.
The slicer blade is made of steel (AISI D2).
Table 3 shows the influence of the change of parameters A1 to the maximum of the displacement in the blade axis direction (max_disp_x), the maximum of the comparison stress (max_stress_vm) and the total mass (total_mass).
The result of study is that the turning point and minimum of the displacement of slicer blade is near to parameter A1 = 1.9 mm . At this parameter the maximum of displacement can be found at base body.
The maximum of the comparison stress is a notch stress, which can be found at the Interface between base body and boss area. With increasing value of the parameter A1 the stress decreases. The yield strength of the material with a value of 420 N /mm² is not exceeded.
The underlined values show the optimum for manufacturing.

Table 3

parameter A1 [mm]	max_disp_x [mm]	max_stress_vm [N/mm²]	total_mass [kg]
0	-1.01	304.41	5.18
0.1	-0.99	253.20	5.18
0.2	-0.97	240.88	5.19
0.3	-0.95	229.35	5.19
0.4	-0.92	218.92	5.19
0.5	-0.89	213.58	5.19
0.6	-0.86	204.24	5.19
0.7	-0.83	196.00	5.19
0.8	-0.79	188.64	5.19
0.9	-0.74	186.28	5.20
1	-0.69	184.23	5.20
1.1	-0.64	181.75	5.20
1.2	-0.58	178.82	5.20
1.3	-0.52	175.41	5.21
1.4	-0.45	174.40	5.21
1.5	-0.38	174.14	5.21
1.6	-0.30	174.00	5.21
1.7	-0.21	173.82	5.21
1.8	-0.12	173.51	5.22
1.9	0.11	173.05	5.22
2	0.12	172.44	5.22
2.1	0.20	171.67	5.22
2.2	0.30	170.73	5.23
2.3	0.41	171.07	5.23
2.4	0.51	169.65	5.23
2.5	0.61	168.13	5.24
2.6	0.72	166.43	5.24
2.7	0.82	164.54	5.24
2.8	0.93	165.82	5.25
2.9	1.03	172.81	5.25
3	1.13	169.34	5.25

Reference numerals

1	Cutting area
2	Base body
3	Boss area
4	Continuous region of reduced material thickness
5	Interrupted region of reduced material thickness
6	Interface between base body and boss area
7	Interface between base body and cutting area
8	Blade axis
9	Fixing bore
A1	Axial distance between the peek of the cutting edge and base body 2
d1	External diameter of slicer blade
d2	External diameter of base body
mt2	Wall thickness base body
mt3	Wall thickness boss area
β	Elevation angle at the stepping between cutting area and base body
γ	Elevation angle at the stepping between boss area and base body

Claims

Slicer blade (100), in particular for use in food slicing devices, in form of a circular disk, with an upper side and a lower side, wherein the upper side is the side that during operation faces the material to be cut, and wherein in the centre area a boss, surrounded by a boss area (3) is formed, and wherein at the circumference of the circular disk a cutting area (1) with a cutting edge is provided, and wherein base body (2) extends between boss area (3) and cutting area (1), characterized in that base body (2) comprises at least two steppings, wherein one stepping is provided at the interface (7) between cutting area (1) and base body (2) on the lower side of slicer blade (100), and the second step ping is provided at the interface (6) between boss area (3) and base body (2) at the lower side of slicer blade 100.
Slicer blade (100) according to claim 1, characterized in that the material thickness of boss area (3) is larger than the material thickness of base body (2).
Slicer blade (100) according to claim 1 or 2, characterized in that at the stepping between cutting area (1) and base body (2) an elevation angle β is formed, and at the stepping between boss area (3) and base body (2) an elevation angle γ is formed, wherein angle β and γ are independently selected from angles between 30° and 90°.
Slicer blade (100) according to any of the preceding claims, characterized in that cutting area (1) emerges over the lower side of the slicer blade.
Slicer blade (100) according to any of the preceding claims, characterized in that base body (2) is provided with a region of reduced material thickness, which region is arranged rotationally symmetric along the circumference of at least one circle, which circle is concentric to the circular disk shaped slicer blade.
Slicer blade (100) according to claim 5, characterized in that the at least one region of reduced material thickness spans the entire circumference of the at least one concentric circle.
Slicer blade (100) according to claim 5, characterized in that the at least one region of reduced material thickness spans parts of the circumference of the at least one concentric circle.
Slicer blade (100) according to any of claims 5 to 7, characterized in that at least two regions of reduced material thickness are provided in base body 2, wherein one region of reduced material thickness is a continuous region that spans the entire circumference of a concentric circle and the other region is a interrupted region that spans parts of a further concentric circle.
Slicer blade (100) according to any of claims 5 to 8, characterized in that the at least one region of reduced material thickness is an impression or an aperture.
Slicer blade (100) according to any of claims 5 to 9, characterized in that the at least one region of reduced material thickness in the top view has a base area in form of a triangle, a square, a rectangle, a circle, an ellipse or a double ellipse.
Slicer blade (100) according to any of claims 5 to 10, characterized in that the at least one region of reduced material thickness has the form of a groove or a slit.
Slicer blade (100) according to claim 11, characterized in that the groove has a cross section in form of a trapezium, a rectangle, a square, a triangle, a circle or an ellipse.
Slicer blade (100) according to claims 11 or 12, characterized in that base body 2 comprises a region of reduced material thickness in form of a groove with a cross section in form of a trapezium, and a region of reduced material thickness in form of a number of elliptic and/or double elliptic apertures.