EP3218145A1 - Werkzeugaufnahme - Google Patents
WerkzeugaufnahmeInfo
- Publication number
- EP3218145A1 EP3218145A1 EP15787173.2A EP15787173A EP3218145A1 EP 3218145 A1 EP3218145 A1 EP 3218145A1 EP 15787173 A EP15787173 A EP 15787173A EP 3218145 A1 EP3218145 A1 EP 3218145A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chuck
- base body
- tool holder
- damping element
- centering
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
- B23B31/1179—Retention by friction only, e.g. using springs, resilient sleeves, tapers using heating and cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/026—Chucks the radial or angular position of the tool being adjustable
- B23B31/0261—Chucks the radial or angular position of the tool being adjustable for centering the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/08—Chucks holding tools yieldably
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/33—Elastomers, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/16—Shape memory alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/24—Cooling or lubrication means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2240/00—Details of connections of tools or workpieces
- B23B2240/24—Connections using hollow screws, e.g. for the transmission of coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/12—Cooling and lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/16—Damping of vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/06—Use of elastic deformation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/002—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor with vibration damping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17111—Fluid-conduit drill holding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17957—Friction grip
- Y10T279/17965—Drill type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/76—Tool-carrier with vibration-damping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304312—Milling with means to dampen vibration
Definitions
- the invention relates to a tool holder having a base body for coupling with a rotationally drivable drive spindle, on which a chuck is received for clamping a tool, with a damping element between the base body and the chuck, which consists of a material having a modulus of elasticity, the from the modulus of elasticity of the material constituting the chuck, deviates at least by an amount by 50%.
- the invention further relates to an apparatus and a method for producing such a tool holder.
- a tool holder in which a ring-shaped damping element is provided in a cavity between a base body of the tool holder and the associated chuck.
- the damping element has a small axial extent and is preferably made of a heavy metal and may be accommodated using an intermediate layer of plastic with an axial bias in the cavity.
- US Pat. No. 6,082,236 it is known to introduce tool elements for lathes in a targeted manner into a cylindrical part of the tool holder in order to dampen individual vibration modes, such as torsion about the longitudinal axis of the tool.
- DE 20 2009 010 626 U1 discloses a tool receptacle with a damping ring provided with elastic elements, which is clamped between the machine-side spindle interface and the counterpart of the spindle so as to substantially damp bending oscillations.
- the present invention seeks to provide an improved tool holder, which has an improved vibration damping compared to the known from the prior art solutions.
- the object of the invention is completely solved in this way.
- the chuck and the main body are completely decoupled from each other by the damping element, since there is no connection between the chuck and the main body except the damping element.
- the modulus of elasticity of the material of the damping element differs significantly from the modulus of elasticity of the material of which the base body and / or the chuck consists, from.
- the modulus of elasticity of the damping element has a non-linear course, whereby a particularly effective damping in the desired range can be achieved.
- the load is passed over the soft, elastic material relative to the feed base material and thus damped. This results in a reduction of the static stiffness of the tool holder.
- the damping element consists of a further embodiment of the invention of an elastomeric material.
- This may be, for example, a damping element of a polyurethane material or of a rubber material.
- polyurethane-based (PUR) or rubber-based elastomeric materials ensure a sufficiently rigid connection between the chuck and the tool holder and enable a material connection between the base body and the chuck with sufficiently high precision, so that concentricity errors are minimized.
- the damping element consists of a shape memory alloy.
- the damping element extends in an annular gap between a holding portion of the chuck and the main body. In this way, a continuous cohesive connection between the chuck and the main body is ensured by means of the damping element.
- the damping element forms a positive connection with the base body and the chuck.
- projections may be provided, in particular a polygonal basic shape of the Dämfungsijns.
- a threaded section is provided, which permits a tensioning of the chuck relative to the main body, preferably by means of a clamping nut.
- a bias between the base body and chuck can be achieved, for example, to ensure a certain damping characteristic.
- the threaded portion cooperate with a clamping screw, wherein an elastomeric disc between the clamping screw and threaded portion is arranged, whose hardness is preferably selected.
- a selectable bias voltage can be bi-directionally adjusted.
- the chuck is designed as a thermal shrink chuck.
- the present invention is particularly advantageous because it ensures a high-precision tension of tools even with a small shaft diameter.
- a centering collar are provided both on the base body and on the chuck, which is formed for centering the two parts to each other by an enclosing shape in a casting and vulcanization of the damping element.
- a device for producing a tool holder comprising a base body for coupling with a rotationally drivable drive spindle, on which a chuck is received for clamping a tool, with a damping element between the base body and the chuck, the an elastomeric material having a shape in which a recess is provided in which the chuck and the base are centered relative to each other and secured against axial displacement receivable with at least one channel for supplying elastomeric material under pressure in a gap between the chuck and the base body, and with at least one venting channel in the mold.
- a centering body is provided for positioning at the axial end of the chuck, which rests with its outer surface on an inner surface of the base body for centering and the Feed channels to allow a supply of the elastomeric material under pressure in the gap.
- the centering body has an extension with an external thread which can be screwed into an internal thread at the end of the chuck.
- a pressure connection for supplying the elastomeric material via a pressure line through the base body is provided on the centering body.
- stops for axial fixation of the base body and chuck are provided on the mold.
- the mold has an inner surface, which is designed for centering of the base body and chuck by means provided thereon Zentrierbünde.
- the object of the invention is further achieved by a method for producing a tool holder, with a base body for coupling with a rotationally drivable drive spindle, on which a chuck is received for clamping a tool, with a continuous damping element made of an elastomeric material between the body and the chuck, the method comprising the steps of:
- a centering collar on the base body and the chuck is used to center the main body and the chuck on the inner surface of the recess in the mold.
- a centering body is used between the base body and the axial end of the chuck over which the holding portion is centered on an associated inner surface of the base body, wherein the elastomeric material is guided via feed channels in the centering in the gap ,
- the elastomeric Marterial preferably via a pressure line, which opens into the centering, and which can be screwed there about a thread supplied.
- a polyurethane or a rubber is preferably used as the elastomeric material.
- Both materials allow a high stiffness, so that the tool holder can transmit sufficiently high torques without the damping element is too yielding.
- these materials have a high temperature turbidity, which also allow use in a thermal shrink chuck, without the thermal shrinkage of the damping element is to be feared by the shrink clamping process.
- the elastomeric material is preferably supplied at a pressure of at least 100 bar, preferably at least 500 bar and vulcanized at a temperature of 100 ° C to 280 ° C, preferably from 120 ° C to 200 ° C.
- Most of the vulcanization is carried out in a range of about 150 ° C to 200 ° C, preferably about 180 ° C.
- the damping element is sufficiently thermally stable, so that temperatures at the surface of the chuck of about 180 ° C are permanently tolerable, with a short-term increase in temperature up to about 200 ° C is possible without the tool holder takes damage.
- Figure 1 is a perspective view of a tool holder according to the invention, but prior to the introduction of an existing elastomeric material damping element in an annular gap between the chuck and the base body.
- FIG. 2 shows a longitudinal section through the perspective view of FIG. 1.
- a partially sectioned side view of the tool holder of Figure 1 in which now additionally the damping element made of elastomeric material is shown in the annular gap between the base body and chuck, and a centering at the axial end of the chuck to ensure further centering in the interior.
- a section through the tool holder of Figure 3 along the line IV-IV ..; a device in longitudinal section, in the base body and chuck are used to ensure a precise centering of the two parts to each other during the manufacture of the damping element by an injection molding process;
- FIG. 8 a tool holder according to the invention is shown in perspective or perspective cut and designated overall by the numeral 10.
- the tool holder 10 comprises a base body 12 in the known type HSK with a base body 12 for receiving on a machine spindle, on which a flange 14 is provided with an annular groove 15 for handling by a tool changer or the like.
- the tool holder 10 comprises a chuck 18 in the form of a thermal shrink chuck, which is shown in Fig. 1 and 2 with a gap 22 between the base body 12 and chuck 18, which is later filled by an elastic damping element. 1 and 2, the base body 12 and the chuck 18 are shown in their desired position to each other, with the representation of the damping element, which fills the gap 22 between the base body 12 and chuck 18, was omitted.
- the chuck 18 has a holding portion 23 into which a tool, e.g. a milling tool, can be shrunk by first the chuck is widened by local heating in the region of the holding portion 23 and then the tool is introduced with its shaft, so that after cooling of the chuck 18, the tool is held in the holding portion 23 in a shrink fit.
- the chuck 18 extends with a holding portion 23 in an associated central bore of the base body 12, wherein an annular gap 22 between the holding portion 23 and the inner surface of the base body 12 remains outwardly between a centering collar 16 at the outer end of the base body 12 and an opposite centering collar 20 on the chuck 18 expires.
- the base body 12 has a central passage 24 with an inner cylindrical portion 26.
- an internal thread 28 is provided, into which an associated screw for minimum quantity lubrication can be screwed in order to cool from there.
- Lubricant over a subsequent coolant channel 30 to lead directly to the end of the holding portion 23 which is formed for tool holder. From there, the coolant lubricant reaches the work area via the tool shank.
- Fig. 3 shows a longitudinal section through the tool holder 10 according to the invention after the generation of a damping element 42, which fills the gap 22 between the base body 12 and the chuck 30, by an injection molding process.
- the damping element 42 fills the gap 22 between the main body 12 and the chuck 18 completely, thus ensuring a material connection between the base body 12 and chuck 18.
- the gap 22 is formed as a continuous annular gap, which extends from the machine-side axial end of the Holding portion 23 initially extends in a hollow cylindrical shape until shortly before the centering collar 20 and ends at the end radially outwardly between the two centering collars 16 and 20, so that there is an outer region 44 is formed.
- the damping element 42 may in principle also consist of a shape memory alloy, it preferably consists in the embodiment shown here of an elastomeric material, in particular of a polyurethane or a rubber material.
- the damping element 42 is thus not circular, but deviates from the circular shape, so that there is a positive connection.
- projections 46 may be provided, so that the overall result is a polygonal basic shape with rounded edges.
- a centering body 32 is additionally shown in FIG. 3 on the machine-side axial end of the holding section 23.
- This centering body 32 has an extension 34 which can be screwed with an external thread 36 into the internal thread 28 at the end of the holding section 23.
- the centering body 32 allows a precise centering between the holding portion 23 and the base body 12, since the centering body 32 engages with its cylindrical outer periphery in the inner cylindrical portion 26 of the base body 12.
- the inner cylindrical portion 26 is closely tolerated, e.g. ground so as to ensure a precise position of the centering body 32 and thus the end of the chuck 18, since the centering body is screwed with its extension 34 into the internal thread 28 at the axial end of the shrinking spindle 18.
- the centering body 32 has at the machine end a central recess 40 with an internal thread 41 in order to screw a pressure line for supplying elastomeric material.
- An associated pressure line for the supply of elastomeric material which is screwed into the internal thread 41 is indicated by dashed lines at 43.
- the central recess 40 is connected via a plurality of feed channels 38 with the axial end of the gap 22.
- the supply lines 38 are arranged distributed in a circle at the end of the central recess 40 and extend obliquely outwards toward the end of the gap 22.
- the damping element 42 is made of an elastomeric material, such as a polyurethane or a rubber. Both materials can be conveyed in unvulcanized state under high pressure of several 100 bar, usually in the order of about 500 bar or more, into the gap 22 and then vulcanized.
- the tool holder Since the tool holder must have a high concentricity and as small centering errors between the base body 12 and the chuck 18 may occur, it is expedient to carry out the supply of the elastomeric material in the gap 22 in a device suitable for this purpose.
- FIG. 1 Such a device is shown in FIG.
- a mold 50 is provided, which is formed as a solid tube and which has a central recess 52 which is designed for use of the base body 12 and the chuck 18.
- the inner surface of the central recess 52 is adapted in shape corresponding to the outer surface of the base body 12 and the chuck 18 and correspondingly tight tolerances, e.g. through a grinding process.
- the base body 12 is thus positioned with its flange 14 on the inner surface of the recess 52 and additionally precisely positioned by abutment of the centering collar 16 on the inner surface of the recess 52.
- the chuck 18 is held centered by abutment of its centering collar 20 on the inner surface of the recess 52.
- axial stops are provided to fix the axial position of the base body 12 and the chuck 18 to each other when supplying the elastomeric material under pressure.
- a stop 54 is provided at the outer end of the chuck 18, which serves as a stop for abutment of the end face 56 of the chuck 18.
- an axial stop 58 is provided, which serves for the axial abutment of the base body 12 with its flange 14.
- radial venting channels 62 are provided, which extend from the outer region 44 of the gap 12 to the outside.
- Such a device makes it possible to supply elastomeric material via the pressure line 43 from the outside and to convey via the feed channels 38 directly into the end of the gap 22. From here, the material passes under high pressure into the outer region 44 of the gap 22 until it is completely filled and the material optionally exits into the venting channels 32. This process takes place at a pressure usually of about 500 bar or more and at elevated temperature of e.g. about 100 ° C.
- a short-term increase in temperature is generally carried out to more than 120 ° C, preferably to about 180 ° C.
- the vulcanization takes only a relatively short time, which is less than ten minutes, usually 4 to 6 minutes are sufficient.
- the thus completed tool holder 10 can be removed from the mold 50 and cooled.
- the centering body 32 is then unscrewed from the internal thread 28 and excess material that protrudes from the outer region 44 of the gap 22 via the adjacent centering collars 16, 20 is removed.
- a tool holder 10 thus produced has a very high concentricity and has a highly effective vibration damping due to the damping element 42 which extends continuously over the entire annular gap 22 between the base body 12 and chuck 18.
- Fig. 7 shows a modification of a tool holder, which is designated overall by 10a.
- a union nut 64 which engages over the centering collar 20 from the outside and which is screwed with an internal thread 68 in an associated external thread 66 on the outer surface of the base body 12.
- Fig. 8 only the machine-side end of the tool holder 10b is shown.
- the only change compared to the previously described embodiment is that at the axial end of the damping element 42 in addition a paragraph 74 is provided in the base body 12, which allows a screw 70 which is screwed to the lubricant supply for minimal quantity lubrication in the internal thread 28, in addition with a formed on the screw 70 disc 76 abuts the shoulder 74.
- a disc 76 is formed on the screw used here according to FIG. 9, which protrudes laterally and rests against the associated shoulder 74 of the base body 12.
- FIG. 10 shows a modification of the tool holder according to FIG. 2 and designated overall by 10c.
- corresponding reference numerals are used for corresponding parts.
- the tool holder 10c is shown with a gap 22 between the base body 12 and chuck 18, which is later filled by an elastic damping element.
- a threaded portion 78 is provided at the inner end of the holding portion 23 of the chuck 18, in which a clamping screw 80 is screwed, which is provided with a central coolant passage 30 for a minimum quantity lubrication.
- the clamping screw 80 rests with a collar 86 against an elastomeric ring 82, which is braced against a shoulder 88 at the end of the central passage 24 of the main body 12.
- the hardness of the elastomeric ring 82 may be selectively selected to provide a particular bidirectional bias.
- an adjusting screw 84 is shown, which is adjustable in a threaded portion 86 of the chuck 18 to specify after vulcanizing the gap 22 with elastomeric material, the axial end position for a tool shank to be clamped precisely.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Manufacturing & Machinery (AREA)
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202014105440.5U DE202014105440U1 (de) | 2014-11-12 | 2014-11-12 | Werkzeugaufnahme |
PCT/EP2015/074580 WO2016074901A1 (de) | 2014-11-12 | 2015-10-23 | Werkzeugaufnahme |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3218145A1 true EP3218145A1 (de) | 2017-09-20 |
Family
ID=54361070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15787173.2A Pending EP3218145A1 (de) | 2014-11-12 | 2015-10-23 | Werkzeugaufnahme |
Country Status (5)
Country | Link |
---|---|
US (1) | US10376964B2 (de) |
EP (1) | EP3218145A1 (de) |
JP (1) | JP6722666B2 (de) |
DE (1) | DE202014105440U1 (de) |
WO (1) | WO2016074901A1 (de) |
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DE102013102439B4 (de) * | 2013-03-12 | 2021-09-02 | Dionex Softron Gmbh | Verfahren zur Herstellung einer fluidischen Verbindungskomponente für die Chromatographie |
DE102018108167A1 (de) * | 2018-04-06 | 2019-10-10 | Alfing Kessler Sondermaschinen Gmbh | Werkzeughalter |
US11491554B2 (en) * | 2019-07-18 | 2022-11-08 | Apex Brands, Inc. | Compact flexible impact bit holder |
WO2021188164A1 (en) | 2020-03-18 | 2021-09-23 | Apex Brands, Inc. | Radial band wedge impact driving device |
US11583989B2 (en) | 2020-04-03 | 2023-02-21 | Apex Brands, Inc. | Multi-start threaded impact driving device |
DE102022101628A1 (de) | 2022-01-25 | 2023-07-27 | Metabowerke Gmbh | Schnellwechselvorsatz und Werkzeugmaschinensystem mit einem Schnellwechselvorsatz |
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DE102013103427A1 (de) * | 2013-04-05 | 2014-10-23 | Franz Haimer Maschinenbau Kg | Werkzeugaufnahme |
DE202013008019U1 (de) | 2013-09-09 | 2013-09-26 | Peter Langbein | Dämpfungselemente für Werkzeugspannsysteme |
DE202014104802U1 (de) * | 2014-10-07 | 2016-01-11 | Bilz Werkzeugfabrik Gmbh & Co. Kg | Werkzeughalter mit Fluidzufuhr |
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2014
- 2014-11-12 DE DE202014105440.5U patent/DE202014105440U1/de active Active
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2015
- 2015-10-23 JP JP2017526575A patent/JP6722666B2/ja not_active Expired - Fee Related
- 2015-10-23 WO PCT/EP2015/074580 patent/WO2016074901A1/de active Application Filing
- 2015-10-23 EP EP15787173.2A patent/EP3218145A1/de active Pending
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2017
- 2017-05-03 US US15/585,572 patent/US10376964B2/en not_active Expired - Fee Related
Non-Patent Citations (2)
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Also Published As
Publication number | Publication date |
---|---|
WO2016074901A1 (de) | 2016-05-19 |
JP2017537800A (ja) | 2017-12-21 |
DE202014105440U1 (de) | 2016-02-15 |
US10376964B2 (en) | 2019-08-13 |
JP6722666B2 (ja) | 2020-07-15 |
US20170239733A1 (en) | 2017-08-24 |
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