EP1955832A1 - Schwingende Schneidevorrichtung - Google Patents

Schwingende Schneidevorrichtung Download PDF

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Publication number
EP1955832A1
EP1955832A1 EP08370004A EP08370004A EP1955832A1 EP 1955832 A1 EP1955832 A1 EP 1955832A1 EP 08370004 A EP08370004 A EP 08370004A EP 08370004 A EP08370004 A EP 08370004A EP 1955832 A1 EP1955832 A1 EP 1955832A1
Authority
EP
European Patent Office
Prior art keywords
cutting
longitudinal
notch
cutting element
cutting tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08370004A
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English (en)
French (fr)
Other versions
EP1955832B1 (de
EP1955832B9 (de
Inventor
Pascal Tierce
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.)
Sinaptec
Original Assignee
Sinaptec
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Filing date
Publication date
Application filed by Sinaptec filed Critical Sinaptec
Publication of EP1955832A1 publication Critical patent/EP1955832A1/de
Publication of EP1955832B1 publication Critical patent/EP1955832B1/de
Application granted granted Critical
Publication of EP1955832B9 publication Critical patent/EP1955832B9/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B7/00—Hand knives with reciprocating motor-driven blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B9/00—Blades for hand knives
    • B26B9/02—Blades for hand knives characterised by the shape of the cutting edge, e.g. wavy

Definitions

  • the present invention relates to a novel cutting device comprising a vibrating slender cutting element of the vibrating cutting blade type.
  • This vibrating slender cutting element may, as the case may be, comprise a tapered and cutting cutting edge, or comprise an untapered cutting edge capable of cooperating with another element comprising a sharp tapered edge.
  • the cutting device of the invention finds, for example, but not exclusively, its application as a manual cutting tool, particularly in the food industry.
  • a first type of cutting device used for example in the food industry, uses vertical cutting blades, and vibrating means for creating vertical vibrations in the blades.
  • the vibration of the blade is relatively simple because the cutting blade vibrates essentially along a single axis (vertical axis).
  • these cutting devices comprising a vibrating blade along a single vibratory axis, are generally mounted on slicing machines, and are not suitable for producing manual cutting tools, that is to say cutting tools. intended to be handled by a user during the cutting operation.
  • the cutting device comprises a flat surgical cutting blade whose distal portion is curved relative to the central longitudinal axis of the blade, so as to create a functional asymmetry, and vibrating means for creating longitudinal vibrations in the opposite proximal portion of the blade.
  • These longitudinal vibrations propagate towards the curved distal portion, and due to the aforementioned functional asymmetry, allow vibration of the blade distal end transversely in the plane of the blade.
  • the cutting blade also comprises upstream of the aforementioned functional asymmetry, a second asymmetry for creating a pivot point in the blade.
  • This cutting device has at least two disadvantages. On the one hand the mechanical assembly between the flat cutting blade and vibrating means, piezoelectric transducer type, is difficult to achieve. On the other hand, the functional asymmetry at the distal end of the blade adversely complicates the manufacture of the blade.
  • the cutting device disclosed in the international patent application WO 03/095028 ( Figures 19A and 19B ), comprises a vibrating monobloc cutting tool, which comprises a bar and a flat cutting blade located in the extension of the bar and connected to the bar by a transition zone.
  • the device further comprises vibrating means for creating in the bar vibrations which are oriented along the longitudinal axis of the bar. These longitudinal vibrations propagate in the cutting tool, and allow to obtain a vibration of the cutting blade with at least one transverse vibratory component in the plane of the blade.
  • a disadvantage of this cutting device lies in the formation of vibration nodes in the blade, which results in the formation, at the cutting edge of the blade, of static zones in which the blade does not vibrate or almost not . These vibration nodes in the blade are detrimental to the quality of the cut, and make this solution suitable only for very short blades.
  • the invention aims to propose a new cutting device comprising an improved vibrating cutting tool, which improves the quality of the vibration of the blade, and thus the quality of the cut, and whose manufacture is simpler only for the cutting device of the international patent application WO2005 / 084264 .
  • This new cutting device can advantageously be used as a manual cutting device; the invention is however not limited to this single application and the cutting device may optionally be adapted to a cutting machine.
  • the invention thus has as its first object a one-piece cutting tool intended to be assembled with vibrating means, so as to constitute the vibrating cutting tool of a cutting device.
  • This cutting tool is known, in particular by the international patent application WO 03/095028 above, in that it comprises a bar and a slender cutting element, located in the extension of the bar and connected to the bar by a transition zone, said cutting element having a longitudinal cutting edge and defining a longitudinal sectional plane (Y, Z) perpendicular to the plane (X, Z) of the cross section of the bar, said cutting element having a dimension (e), measured along the axis (X) perpendicular to this longitudinal section plane (Y, Z ), which is smaller than the dimension (D 1 ) of the cross section of the bar measured along the same axis (X).
  • the one-piece cutting tool comprises a first notch which is formed at least partly in the longitudinal cutting edge of the cutting element, and a second notch, which is made in a part of the cutting element diametrically opposed to the longitudinal cutting edge, and which is offset relative to the first notch along the longitudinal axis (A) of the cutting element and toward the distal free end of the cutting element.
  • these two notches diametrically opposed and offset along the longitudinal axis of the cutting element made it possible to improve the vibratory behavior of the cutting tool.
  • judiciously dimensioning these notches it is possible to avoid the formation of a vibration node (of zero or almost zero amplitude), at least at the longitudinal cutting edge of the elongate cutting element, in a distal zone that extends from the distal end (that is to say the free end of the blade opposite the bar) and over a very long length of the elongate cutting element.
  • the invention also has for another object a cutting device comprising a vibrating monobloc cutting tool referred to above and vibrating means.
  • the vibrating means make it possible to create, in the bar of the cutting tool, longitudinal vibrations, which are oriented along the longitudinal axis (A) of the cutting element, and which allow a vibration of the cutting element.
  • the notches of the cutting tool are made so as to obtain a vibration of the cutting element in said longitudinal cutting plane (Y, Z), without vibration node formation at least the longitudinal cutting edge of the cutting element, and in a distal zone (Z ') extending from the distal free end of the cutting element and at least three quarters of the length (L'). ) of the cutting element between this distal free end and the first notch. More preferably still, said distal zone (Z '), devoid of vibration node, extends from the distal free end of the cutting element to the first notch.
  • the vibrating means are designed to create, in the bar of the cutting tool, vibrations longitudinal with a predefined frequency (f) greater than 10KHz, and preferably greater than or equal to 20 KHz.
  • a vibrating cutting device 1 made according to a first embodiment of the invention.
  • This cutting device 1 has the general shape of a hand knife. It can advantageously be used to manually slice any type of material, and may especially, but not exclusively, be used for manual cutting of food products.
  • This cutting device 1 comprises a one-piece cutting tool 10 with a longitudinal central axis A, which is assembled with vibrating means 11.
  • This one-piece cutting tool 10 is made of metal, for example stainless steel or aluminum. titanium.
  • the one-piece cutting tool 10 comprises a bar 100 and a flat cutting blade 102, which is located in the extension of the bar 100, and is connected to the bar 100 by a junction zone 101.
  • the cutting blade 102 defines a plane longitudinal section referenced (Y, Z) on the Figures 1 to 4 .
  • This longitudinal section plane (Y, Z) corresponds to the longitudinal median plane of the blade 102, and is perpendicular to the transverse plane (X, Y) parallel to the cross section of the bar 100.
  • the bar 100 is of cylindrical shape. This particular form is not limiting of the invention, the bar 100 may have a completely different cross-sectional geometry [plane (X, Y)]) and for example a square, rectangular, oval cross section, etc. .
  • these vibrating means 11 make it possible to generate longitudinal vibrations in the bar 100, that is to say vibrations oriented in the direction parallel to the longitudinal axis A of the bar 100.
  • the structure and operation of these vibrating means 11 are known and therefore will not be detailed. It is simply recalled that these means of Vibration 11 comprises in the usual manner an electrically powered piezoelectric transducer, and a coupling element between this piezoelectric transducer and the bar 100, this coupling element allowing the amplification of the longitudinal vibrations generated by the piezoelectric transducer.
  • these vibrating means 11 are advantageously housed in a cylindrical casing, also acting as a gripping handle for the cutting device 1.
  • the cutting blade 102 is formed in a plate of length (L), width (I) and thin (e). With reference to Figures 2 and 3 the thickness (e) of the blade 102 is smaller than the dimension D 1 of the bar 100 in the transverse plane (X, Z) which corresponds to said thickness (e) and which is perpendicular to the longitudinal section plane (Y, Z).
  • This blade 102 has a longitudinal cutting edge 103 (lower edge of the blade on the figure 1 ), and a longitudinal edge 106 (upper edge of the blade on the figure 1 ) diametrically opposed to the longitudinal cutting edge 103.
  • the width (I) of the blade [largest dimension of the blade 102 in the longitudinal section plane (Y, Z)] is less than or equal to the corresponding dimension D 2 of the bar 100 in this same plane, so that the cutting tool 10 can be easily manufactured by simple machining with removal of material of an initial bar which has the same cross section as the bar 100, and whose length corresponds to the total length of the cutting tool 10.
  • the cutting blade 102 is centered on the bar 100 in the transverse plane (X, Z) ( figure 2 ).
  • the junction zone 101 connecting the bar 100 and the cutting blade 102 has two curved walls 101a which make it possible to achieve a gradual transition of material in the plane (X, Z) between the dimension D 1 in cross section in this plane of bar 100, and the thickness (e) lower blade 102.
  • these two curved walls 101 are symmetrical to each other with respect to the longitudinal central axis A of the bar 100, this feature not however being limiting of the invention.
  • the longitudinal edge 103 of the blade which forms the cutting edge, has a curved profile on a distal portion 103a which extends from the distal free end 102a of the blade 102 (free end of the blade farthest from the bar 100).
  • This distal curved portion 103a is the portion of the blade that is mainly used for cutting a material.
  • the cutting edge 103 of the blade 102 may be thinned, at least in its distal portion 103a ( figure 1 ), so as to form a sharp tapered edge.
  • the distal end 102a of the blade substantially forms a tip, facilitating the insertion of the blade into the material during cutting.
  • the cutting tool 10 has a first longitudinal notch 104 and a second longitudinal notch 105.
  • the first notch 104 is constituted by a cutout which is made at least partly in the longitudinal cutting edge 103 of the blade 102.
  • this cutout 104 is made over the entire thickness (e) of the blade 102 ( figures 3 and 4 ), and has a U-shaped longitudinal profile of length I 1 [ Figure 1 / profile of the cut in the longitudinal section plane (Y, Z)].
  • the longitudinal profile in U of the first blank 104 comprises two curved portions 104a and 104b connected by a central portion 104c, preferably substantially rectilinear.
  • this U-shaped longitudinal profile has a center of symmetry, the two curved portions 104a and 104b having the same radii of curvature and the bottom of the notch 104 corresponding to the said central portion 104c forming a plane parallel to the longitudinal central axis A.
  • said longitudinal profile of the notch 104 being asymmetrical in another variant.
  • this first notch 104 extends longitudinally in the proximal portion 102b of the cutting blade 102, in the transition zone 101 and in the distal portion 100b of the bar. This particular positioning of the first notch 104 along the longitudinal axis A is not limiting of the invention. In another variant, the first notch 104 may extend longitudinally only in the longitudinal cutting edge 103 of the cutting blade 102.
  • the second notch 105 is constituted by a cutout which is made in the longitudinal edge 106 of the blade, diametrically opposed to the cutting edge 103, and which is offset, with respect to the first notch 104, along the longitudinal axis A and in the direction of the blade distal end 102a 102.
  • this cutout 105 is also made over the entire thickness (e) of the blade 102 (FIG. figures 3 and 4 ), and has a U-shaped longitudinal profile of length I 2 [ Figure 1 / profile of the cut in the longitudinal section plane (Y, Z)].
  • the second notch 105 preferably has a longitudinal profile which is asymmetrical.
  • This asymmetrical longitudinal profile comprises two curved portions 105a and 105b connected by a central portion 105c, preferably substantially rectilinear.
  • the two curved portions 105a and 105b respectively have two radii of curvature Ra and Rb which are slightly different, and the bottom of the notch corresponding to the central part 105c above forms a plane which is slightly inclined with respect to the central longitudinal axis AT ( figure 1 angle ⁇ )
  • the second notch 105 is formed in the distal portion of the blade 102 which extends between the first notch 104 and the distal end 102a of blade 102, the two notches 104 and 105 being spaced apart from each other, along the longitudinal axis A, by a distance (d) which is not zero ( figure 1 ).
  • the second notch 105 is indeed offset, with respect to the first notch 104, along the longitudinal axis A and in the direction of the distal blade end 102a, but in such a way that the two notches overlap on part of their lengths (I 1 , I 2 ) in the section plane (Y, Z); in this case, the curved portion 105b proximal of the notch 105 is located at the right of the notch 104 along the Y axis, and the curved distal portion 105a of the notch 105 is located between the distal end 102a of the blade and the distal curved portion 104a of the first notch 104.
  • the vibrating means 11 when they are active, they generate longitudinal vibrations at least one predetermined frequency (f) for exciting at least one own mode of vibration of the cutting tool 10.
  • This frequency of excitation (f) is a function of the geometry of the cutting tool 10, and depends in particular on the length L of the cutting blade 102.
  • the cutting tool 10, and in particular the cutting blade 102 is dimensioned such that this frequency (f) is greater than 10KHz, and more preferably greater than 20KHz, so as to render the vibrations inaudible to the human ear (ultrasonic vibrations).
  • the vibrating means 11 may also be designed to generate multifrequency vibrations, having several (at least two) different frequencies.
  • Said longitudinal vibrations propagate in the bar 100 in the direction of the blade 102, the tool 10 acting as a resonator.
  • the blade 102 vibrates in its longitudinal section plane (Y, Z), with a vibration movement comprising two vibratory components: a longitudinal component along the Z axis and a transverse component along the axis Y.
  • the vibration amplitude of the cutting tool 10 in the cutting plane (Y, Z) (i.e., the resultant of the Y and Z vibratory components) is not identical at every point in the cutting plane. the tool, and in particular at any point of the cutting blade 102. It is symbolized on the figure 5 these amplitude variations by zones having different fillings, each type of filling corresponding to a range of amplitudes which is carried on a vertical scale. With reference to this scale of amplitudes of the figure 5 , the filling corresponding to the bottom of the scale identifies a vibration region of almost zero amplitude characteristic of a vibration node. In contrast, the filling corresponding to the top of the scale identifies a region in which the amplitudes of vibrations (resultant vibratory components in Y and Z) are maximum.
  • the distortion of the figure 5 allows to show that the vibration amplitudes of the blade 102 are advantageously maximum and substantially identical throughout the distal portion (Z1) of the blade 102 which extends substantially between the second notch 105 and the distal end 102a of the blade 102
  • the vibration amplitudes are large, and it There is no vibration knot formation in this region at the cutting edge 103.
  • the cutting quality is in very good consequence.
  • nodal region N (vibration node) in the cutting blade 102; however, this nodal region N is very small, and especially is located at the longitudinal edge 106 opposite the cutting edge 103. It is not detrimental to the quality of cut.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 , in that its cutting element 102 'is a rectangular flat blade without notch.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 only in that the cutting blade 102 does not have a notch.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 only in that the cutting blade 102 has a single proximal notch 104.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 only in that the cutting blade 102 has a single proximal notch 104 ', which is made exclusively in the blade 102, and which does not extend into the bar 100.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 only in that the cutting blade 102 has a single distal notch 105.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 only in that the cutting blade 102 has a distal notch 105, and an additional notch 107 in the bar 100.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 , in that the cutting blade has the same shape as the blade 102 of Figures 1 to 4 but includes only a first proximal notch 104 ', which is made exclusively in the bar 100, and which does not extend into the blade 102.
  • zone Z1 at the end of the blade in which the amplitudes of vibrations are maximum, is disadvantageously very small, and increases the risk of rupture of the blade in this distal zone.
  • FIG. 13 the deformed of another variant embodiment of a vibrating cutting tool, which is in accordance with the invention.
  • the cutting tool is different from the cutting tool 10 of the Figures 1 to 4 only by the longitudinal position of the first notch 104; in this variant, said first notch 104 extends exclusively into the cutting blade 102.
  • the vibratory behavior of this variant is very satisfactory and comparable to that of the figure 5 .
  • FIG. 14 to 17 another variant embodiment of the invention, which differs from the variant of Figures 1 to 4 , essentially by the implementation of a cutting blade 102 and a longer bar 100, and by the presence of a third notch 107.
  • This third notch 107 extends in the distal portion of the bar 100, and is made in a portion of the bar 100 diametrically opposite the longitudinal cutting edge 103 of the blade.
  • This third notch 107 thus has the same orientation as the second distal notch 105.
  • the vibrations of the blade 102 at the cutting edge 103 are advantageously large and substantially homogeneous over a very wide zone Z 'which extends from the distal free end 102a of the cutting element 102 and over a longer distance. three quarters of the length L 'of the cutting element 102 between this distal free end 102a and the first notch 104.
  • the invention is not limited to the particular geometry of the cutting blade 102 of the appended figures, and in particular to the particular curved profile of the cutting edge 103 of this blade 102, said blade flat which may be generally made in any thin plate (e), and the cutting edge 103 may for example be rectilinear over its entire length or may have a curvilinear profile different from that of the accompanying figures.
  • the cutting blade 102 may be replaced by any elongate cutting element which is located in the extension of the bar 100, which defines a longitudinal sectional plane (Y, Z) perpendicular to the plane (X, Z) of the cross section of the bar, and whose dimension (e) in cross-section and in the direction (Z) perpendicular to this plane of section (Y, Z) is smaller than the dimension (D 1 ) corresponding, for example, and without limitation, the cutting blade 102 can be replaced by a cylindrical cutting rod which has a smaller diameter in cross-section than the diameter of the bar 100, and which is connected to the bar 100 by a frustoconical transition zone.
  • the invention is not limited to the shape and the particular dimensions of the notches 104, 105 and 107 U of the accompanying figures. It is up to the person skilled in the art to adapt the shape and dimensions of the notches 104, 105, 107, the longitudinal positions of the notches 104 and 105 in the blade 102, and where appropriate the longitudinal position of the notch 107 in the distal portion 100b of the bar 100, depending on the geometry and dimensions of the cutting tool 10, so as to obtain at the longitudinal cutting edge 103, a zone of vibration Z 'extended, which does not include vibration node, and wherein the vibration amplitudes are large and preferably substantially homogeneous.
  • the cutting element 102 (blade) has a longitudinal cutting edge 103 which is relatively thin and preferably tapered so as to be sharp.
  • the cutting device may comprise another cutting elongate element (fixed or movable) capable of cooperating with the vibrating cutting element 102 and allowing shear cutting between these two cutting elements. In this case for example, it is not necessary that the edge of cut 103 of the cutting element 102 vibrating is fine and cutting.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Shearing Machines (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Scissors And Nippers (AREA)
  • Knives (AREA)
EP08370004A 2007-02-12 2008-02-11 Schwingende Schneidevorrichtung Active EP1955832B9 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0700972A FR2912338B1 (fr) 2007-02-12 2007-02-12 Dispositif de coupe vibrant

Publications (3)

Publication Number Publication Date
EP1955832A1 true EP1955832A1 (de) 2008-08-13
EP1955832B1 EP1955832B1 (de) 2011-05-18
EP1955832B9 EP1955832B9 (de) 2011-09-21

Family

ID=38476211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08370004A Active EP1955832B9 (de) 2007-02-12 2008-02-11 Schwingende Schneidevorrichtung

Country Status (3)

Country Link
EP (1) EP1955832B9 (de)
AT (1) ATE509741T1 (de)
FR (1) FR2912338B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2497083A (en) * 2011-11-29 2013-06-05 Kenwood Ltd Blade with vibratory piezoelectric drive for a food processor
US20190168476A1 (en) * 2017-05-25 2019-06-06 Mun Hyun LEE Juicer having improved juicing performance

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649860A (en) * 1952-04-07 1953-08-25 John E E Royer Surgical instrument
GB782643A (en) * 1955-03-07 1957-09-11 Gustav Jecker New and improved scalpel
US3086288A (en) * 1955-04-20 1963-04-23 Cavitron Ultrasonics Inc Ultrasonically vibrated cutting knives
DE8802255U1 (de) * 1988-02-22 1988-07-21 Haushaltprodukte Vertriebs GmbH, 5430 Montabaur Tafelmesser
DE8813657U1 (de) * 1988-10-31 1989-06-08 Juckel, Karl-Heinz, Dipl.-Kaufm., 8000 München Spezialmesser für Rettiche
WO2003095028A1 (en) 2002-05-13 2003-11-20 Axya Medical, Inc. Ultrasonic soft tissue cutting and coagulation systems
WO2005084264A2 (en) 2004-02-27 2005-09-15 Ethicon Endo-Surgery, Inc Ultrasonic surgical blade having transverse and longitudinal vibration
FR2874478A1 (fr) * 2004-08-26 2006-03-03 Jean Louis Anxoine Couteau a fleurs, outil a couper les fleurs en biseau

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649860A (en) * 1952-04-07 1953-08-25 John E E Royer Surgical instrument
GB782643A (en) * 1955-03-07 1957-09-11 Gustav Jecker New and improved scalpel
US3086288A (en) * 1955-04-20 1963-04-23 Cavitron Ultrasonics Inc Ultrasonically vibrated cutting knives
DE8802255U1 (de) * 1988-02-22 1988-07-21 Haushaltprodukte Vertriebs GmbH, 5430 Montabaur Tafelmesser
DE8813657U1 (de) * 1988-10-31 1989-06-08 Juckel, Karl-Heinz, Dipl.-Kaufm., 8000 München Spezialmesser für Rettiche
WO2003095028A1 (en) 2002-05-13 2003-11-20 Axya Medical, Inc. Ultrasonic soft tissue cutting and coagulation systems
WO2005084264A2 (en) 2004-02-27 2005-09-15 Ethicon Endo-Surgery, Inc Ultrasonic surgical blade having transverse and longitudinal vibration
FR2874478A1 (fr) * 2004-08-26 2006-03-03 Jean Louis Anxoine Couteau a fleurs, outil a couper les fleurs en biseau

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2497083A (en) * 2011-11-29 2013-06-05 Kenwood Ltd Blade with vibratory piezoelectric drive for a food processor
US20190168476A1 (en) * 2017-05-25 2019-06-06 Mun Hyun LEE Juicer having improved juicing performance
US11479006B2 (en) * 2017-05-25 2022-10-25 Kwanghui Lee Juicer having improved juicing performance

Also Published As

Publication number Publication date
FR2912338A1 (fr) 2008-08-15
FR2912338B1 (fr) 2009-04-03
EP1955832B1 (de) 2011-05-18
ATE509741T1 (de) 2011-06-15
EP1955832B9 (de) 2011-09-21

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