EP3571422A1 - Unterlegscheibe, befestigungsanordnung mit der unterlegscheibe sowie verwendung der unterlegscheibe - Google Patents
Unterlegscheibe, befestigungsanordnung mit der unterlegscheibe sowie verwendung der unterlegscheibeInfo
- Publication number
- EP3571422A1 EP3571422A1 EP18701127.5A EP18701127A EP3571422A1 EP 3571422 A1 EP3571422 A1 EP 3571422A1 EP 18701127 A EP18701127 A EP 18701127A EP 3571422 A1 EP3571422 A1 EP 3571422A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- washer
- visualization
- indicator element
- indicator
- fastening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000012800 visualization Methods 0.000 claims abstract description 52
- 230000005283 ground state Effects 0.000 claims description 21
- 239000003550 marker Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920006311 Urethane elastomer Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B31/028—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load with a load-indicating washer or washer assembly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
- G01L5/161—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
- G01L5/243—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using washers
Definitions
- the invention relates to a washer with the features of the preamble of claim 1, a mounting arrangement with the washer according to claim 11 and the use of the washer according to claim 13.
- FIG. 5 of this patent application shows a washer for indicating a clamping force acting in the fastening element of a screw connection.
- the known washer consists of an outer disc made of steel, on the underside of an indicator element is arranged made of a soft plastic.
- the outer pane has a slot-like opening extending in the radial direction, which in the ground state, in which the washer is not braced, extends from the indicator element to the periphery of the outer pane.
- the opening serves as a visualization element, on which a user can read the state of tension of the fastening element.
- two notches are arranged as marks indicating different states of tension of the fastener.
- the screw head is pressed against the washer, whereby the indicator member is deformed and pressed radially outward, so that the indicator element is arranged visible to a user in the opening. Due to the two markings, a user can recognize whether a certain clamping force of the fastener or the connection is reached.
- a disadvantage of the known solution is that the notches are relatively small and can be added by dust and similar, usual on a construction site influences and easily obscured.
- the object of the invention is therefore to propose a washer that allows a safe reading of the visualization element even under construction site conditions.
- This object is achieved by a washer with the features of claim 1.
- the washer according to the invention has an axial passage opening for a fastening element.
- the passage opening in particular has a circular cross-section, so that typical screws, such as those used in steel construction, or anchors, such as those used for fastening in mineral anchoring grounds such as concrete, can be pushed through the passage opening and connected to the washer.
- the passage opening may in particular be cylindrical, wherein the diameter may also vary in sections or conically increase or decrease.
- the washer comprises an outer disk, which is made in particular of steel, and an indicator element, which in particular is also disk-shaped.
- the indicator element is made of a material that is slightly and highly deformable, in particular highly elastic deformable compared to the outer pane.
- the indicator element is made of rubber or a rubbery plastic, such as a polyester-urethane rubber or a chloroprene rubber, known under the trade names Vullcollan, Fibraflex or Neoprene.
- An indicator element made of these or similar materials can be greatly deformed during clamping, while remaining elastic, so that it approaches the basic geometry again when relaxing, so that a user can also estimate or read the clamping force acting during relaxation.
- the indicator element has a conspicuous color that forms a strong contrast to the outer surface of the outer pane so that it is easily perceived by a user.
- a reddish Vullcollan indicator element may be used.
- Both the outer pane as well as the indicator element each have a through hole, which are arranged in particular centrally and in particular concentrically and together form the passage opening.
- the washer can also comprise further parts which likewise have through holes of the passage opening.
- Disc here generally means a body whose radial extent related to the longitudinal axis of the passage opening is larger, in particular many times greater than its thickness
- the disc can be in Ground state may be flat or curved and they may in particular have a circular circumference, which may also be formed as a polygonal or in any other geometry.
- the outer pane has an outer side and an inner side.
- the “outer side” is the side of the outer pane on which, in a position of use, in which a fastening element is inserted into the through-opening, typically a head or a nut of the fastening element is abutted against the inner side
- the indicator element fills a base geometry in a non-tensioned ground state, for example, the basic geometry of the indicator element is a circular ring
- the indicator element is arranged in particular on the outer disk such that It is displaced by deformation in a visualization element during clamping of the fastener, in which it is perceptible by a user during clamping.For this purpose, the visualization element penetrates the outer pane axially, so that the indicator element after a scheduled clamping can be perceived by a user at a glance, in particular substantially in the axial direction on the outside of the outer pane.
- two markings for indicating the size of the acting clamping force are arranged on the visualization element.
- a first mark is arranged between the basic geometry, which occupies the indicator element in the unstressed state, and a second mark.
- the first end of the visualization element facing the basic geometry forms according to the invention a first marking for indicating a minimum clamping force of the fastening element to be achieved.
- the minimum achievable clamping force is achieved as soon as the user can perceive the indicator element in the visualization element.
- bolt anchors with which components on a ground anchoring concrete be tightened, tightened with a defined torque, which is a measure of a force acting in the anchor bolt clamping force. It must not fall below a minimum clamping force and a maximum clamping force can not be exceeded, otherwise the carrying capacity of the mounting assembly is not guaranteed. If a washer according to the invention is used when bracing the bolt anchor, the user knows that the bolt anchor is prestressed to a sufficient degree.
- the washer according to the invention comprises, as a further part, a perforated disc which is additionally arranged on the side of the indicator element facing away from the outer disc.
- the perforated disc is in particular a commercially available, flat washer, for example a washer according to DIN EN ISO 7093-1: 2000-11.
- the perforated disc is, like the outer disc, in particular made of steel. In particular, it has a diameter which is greater than the diameter of the outer disk.
- the indicator element lies in particular between the perforated and the outer pane and directly to these, so that the basic geometry is limited by these discs. This has the advantage that the indicator element in this case is not applied directly to the component to be fastened, so that the friction between the indicator element and the parts limiting the basic geometry is independent of the geometry and the material of the component to be fastened.
- the second mark is a mark for indicating a maximum to be achieved clamping force of the fastener.
- the maximum achievable clamping force is less than the breaking force at which the fastening element fails, so that the washer according to the invention has a marking for the minimum.
- the user thus knows that the bolt anchor is braced according to plan if the indicator element is perceptible in the visualization element, but has not yet exceeded the second marking
- a user's gaze on the outside of the washer is sufficient to determine whether or not the bolt anchor is braced according to plan, and if the maximum tightening force is exceeded, the user can relax the bolt anchor, creating an elastic indicator relement approaches its basic geometry, so that it no longer rests on the second marker.
- the visualization element preferably has at least one opening, in particular the one opening forms the visualization element.
- the plurality of openings are radially distributed, for example, with respect to the longitudinal axis of the passage opening, for example, each one opening for a mark.
- On the washer but also several visualization elements can be arranged, which are each formed from an opening.
- These visualization elements are arranged in particular distributed on the circumference of the outer pane, wherein they are in particular arranged and / or designed such that they each indicate the same clamping force.
- the openings serving as visualization elements are identical.
- the opening is formed as a slot which forms a visualization element.
- slot is meant here an opening that is at least as long as it is wide, where "width of the slot” means the width of the slot.
- the slot may be elongated, ie longer than wide, by "length” meaning the extent in which the visualization element is moved during bracing
- the width of the slot is smaller than 10 mm, in particular smaller than 7 mm, in particular smaller than 4 mm and in particular less than 3 mm
- the slot may extend or narrow away from its first end, which forms in particular the first end of the visualization element. is the radial extent of the slot.
- the second mark is formed by an appreciation of the opening.
- widening is meant a location of the opening at which the opening, in particular a slot, widens in a stepwise manner in a narrowly delimited area, ie its width increases optically clearly and clearly perceptible Markings this has the advantage that a widening through Dust or similar contaminants can not be obscured and thus easier to read.
- the second geometry facing away from the second end of the opening forms the second mark.
- the opening extends to the periphery of the washer.
- the peripheral opening forms the second mark.
- the peripheral opening can also be understood as a widening of the opening and / or as a second end of the opening.
- the opening is formed as a slot which is open radially to the periphery.
- an axially projecting support element is arranged on the outer pane, which surrounds the basic geometry at least partially.
- the support element encloses the basic geometry almost completely, whereby it is locally broken only in the region of the openings.
- the support element is arranged in particular on the inside of the outer pane and projects from the inner side in the axial direction. The support element ensures that the outer pane can rest directly on a component or a further part of the washer, in particular on a perforated disk, without the indicator element interrupting the contact between the outer pane and the component or the further part of the washer.
- the axial height of the support element is less than or equal to the axial height of the indicator element in the ground state. This ensures a uniform contact of the indicator element on a component or the other part of the washer.
- the support element is integral with the outer pane.
- the outer pane is produced in one piece with the support element made of steel.
- the outer pane during clamping be deformed, in particular in the region of a support surface on which a head element of the fastener rests as planned, since in the area enclosed by the support member area under the outer pane creates a kind of cavity in which in particular only the soft in relation to the outer pane and the support element indicator element is arranged.
- head element is meant in particular a screw head, but also a nut The force acting in a shank of the fastening element is transmitted to the washer via the head element.
- the diameter of the support surface, and thus the diameter of the head element is smaller than the diameter of the cavity formed by the support element, in which the basic geometry is arranged
- the outer disk is designed such that, even if it is deformed during clamping, it does not rest on a component to be fastened or the like Part of the washer rests when the maximum achievable clamping force of the fastener is achieved. In particular, the deformed part of the outer pane does not project beyond a support element in the axial direction.
- the fastener can also be stretched over the maximum achievable clamping force, whereby the outer pane further deformed and the indicator element can be further pressed into the visualization element, such that even overstretching of the fastener can be displayed with the washer of the invention.
- the first end of the visualization element in the ground state is spaced from the indicator element.
- the distance between the visualization element and the indicator element in the ground state ensures that the indicator element is not visible at the beginning of the tensioning in the visualization element, but that only after reaching the minimum achievable clamping force of the fastener, the indicator element is so strongly deformed that it abuts the first end of the visualization element or extends beyond the first end into the visualization element.
- the support member has a closed by an outer surface of the outer pane channel, the basic geometry and the visualization element connects, wherein the indicator element in the ground state, the channel is not or not completely filled, so that the visualization element is spaced from the first end.
- the indicator element can have projections which already reach the channels in the ground state, which facilitates displacement of the indicator element into the channels. Only after the indicator element completely fills the channel in its length by compression, it is visible in the visualization element during further bracing, so that the user knows that the minimum achievable clamping force of the fastener is reached. In particular, the indicator element completely fills the volume of the channel.
- the channel may exist in a preferred embodiment in the ground state between the indicator element and the support member, a gap.
- a gap Through the gap, the indicator element in the ground state is spaced from the visualization element.
- an annular gap can be provided around the indicator element, which space separates the visualization element from the support element.
- the visualization element can completely penetrate the support element in the radial direction.
- the washer according to the invention forms with a fastening element, which in particular has a shaft with an external thread and in particular a spreading element, as is known for example from so-called bolt and sleeve anchors, a fastening arrangement.
- a fastening element which in particular has a shaft with an external thread and in particular a spreading element, as is known for example from so-called bolt and sleeve anchors, a fastening arrangement.
- the diameter of the through hole of the indicator element is selected such that the indicator element rests in particular already in the ground state substantially on the shaft, in particular on the external thread.
- the indicator element is thus braced against the shank during bracing, in particular against the external thread.
- the diameter of the through hole of the indicator element is less than or equal to the diameter of the external thread.
- the indicator element is applied to the shaft or on the external thread, so that the indicator element can not be moved inwardly during clamping substantially not, but only a movement of the outer edge of the indicator element is carried out to the outside.
- the visualization element according to the invention is displaced as far as bracing during bracing, that an outer edge of the indicator element between the first marker and the second marker is arranged. This ensures that the fastener is stretched according to plan between a minimum to be reached and a maximum to reach clamping force and thus the mounting assembly is securely installed.
- Figure 1 shows a first washer according to the invention in a plan view of the
- Figure 2 is a view of the inside of the washer of the invention.
- Figure 3 is a view of the inside of an alternatively designed washer according to the invention.
- FIGS. 4a) to 4d) the use of the first washer according to the invention during bracing of a fastening arrangement
- FIG. 5 shows the same planned tensioned fastening arrangement in a perspective view
- FIG. 6 shows the same fastening arrangement in which the maximum achievable
- FIGS. 1, 2 and 4 to 6 show a first washer 1 according to the invention and its use in a fastening arrangement (FIGS. 4 to 6).
- the washer 1 according to the invention consists of two parts: an outer pane 2 and an indicator element 3.
- the outer pane 2 is made of steel, with a through hole 4 which is common to a through hole 5 of the indicator element 3 a through hole 6 of the washer. 1 forms.
- four openings 7 are formed in the form of slots 8 which extend radially to the longitudinal axis L of the through hole 6 and extend to the periphery of the washer 1.
- the slots 8 each form identical visualization elements 9 and have a width w of 3 mm, which is less than 1/40 of the circumference of the outer pane 2.
- the depth t of the slots 8 is in the radial direction with 4 mm lower than their width w.
- the slots 8 penetrate not only the outer disk 2 radially on the circumference, but also partially formed on the inside of the outer disk 2, axially projecting in the direction of the longitudinal axis L annular support member 10.
- the support member 10 encloses a basic geometry 28 of the indicator element 3 in an unstrained ground state (see Figures 1, 2 and 4a), except for the areas in which the slots 8 are formed, completely.
- the support element 10 has an axial thickness which is slightly smaller than the axial thickness of the indicator element 3, such that the indicator element 3 in the ground state projects axially beyond the support element 10, as can be seen in FIG.
- the slots 8 proceed in the direction of the longitudinal axis L into channels 12 which extend radially over a depth k of 1 mm and which are closed towards the outside 13 of the outer pane 2 by an outer surface 14.
- the indicator element 3 does not lie in the channels 12 and does not fill them.
- the indicator element 3 is thus in the ground state from the first end 11 of the visualization element 9, which is formed by the slots 8, spaced.
- the peripheral opening 16 of each slot 8 form the second end 17 of the visualization element 9. It can also be understood as a widening of the opening 7.
- a gap 15 can be arranged between the first end 11 of the visualization element 9 and the indicator element 3, as can be seen in FIG.
- the gap 15 also has a depth s of 1 mm.
- the gap 15 is formed as a circumferential annular gap, through which the first end 11 of the visualization element 9 in the ground state is spaced from the indicator element 3.
- FIGS. 4 to 6 show a fastening arrangement with the washer 1 according to the invention and a fastening element 19, which is designed as a bolt anchor and has a shank 20 with an external thread 21 onto which a nut 22 is screwed.
- the fastening element 19, a bolt anchor fischer FAZ II is anchored in an anchoring base (not shown), for which purpose the fastening element is introduced through a borehole 23 in a component 24 into a blind hole (not shown) in the anchoring base and then a spreading element (not shown) was spread.
- the bolt anchor In order to spread the expansion element according to plan, the bolt anchor must be clamped against the component 24 with a defined, planned clamping force, at least one minimum clamping force and at most a maximum clamping force of the bolt anchor being allowed to act in the bolt anchor.
- the minimum clamping force is 10 kN and the maximum clamping force 20 kN, wherein the maximum clamping force is less than the breaking force at which the fastener 19 fails, for example by breaking the shaft 20th
- FIG 4a shows the fastener 19 with the washer 1 according to the invention, after the introduction of the fastener 19 in the borehole 23 and in the anchoring ground in the unstrained ground state, in which the outer edge 18 of the indicator element 3 from the first end 11 of the slot 8 is spaced.
- the indicator element 3 forms the basic geometry 28.
- the diameter D D of the through hole 5 of the indicator element 3 is selected such that the indicator element 3 bears substantially against the external thread 21.
- the diameter D A of the external thread 21 is slightly smaller than the diameter D D of the through hole 5 of the indicator element 3, so that the washer 1 is held clamped on the shaft 20 of the fastener 19 and the indicator element 3 is already supported in the unstressed ground state against the shaft 20 ,
- the washer 1 lies flat against the support element 10 and the indicator element 3 on the component 24.
- the fastener 19 is braced by unscrewing the nut 22, the nut 22 deforms the washer 1 in the region of the support surface 25, which is pressed toward the component 24.
- the indicator element 3 is compressed, elastically deformed and pressed into the channels 12, whereby the indicator element 3 reaches the first end 11 of the visualization element 9 when the minimum achievable clamping force of the fastening element 19 is reached (compare FIG. From here and at the next Tightening the nut 22, the indicator element 3 is visible in the slots 8.
- the first end 11 forms a first mark 26 for indicating the minimum clamping force to be achieved.
- FIG. 4c shows the situation that the outer edge 18 of the indicator element 3 has reached the circumferential opening 16 which forms a second marking 27 and indicates that the maximum clamping force of the fastening element 19 to be achieved is reached. If the outer edge 18 of the indicator element 3 lies between the first marking 26 and the second marking 27, as can be seen in FIG. 5, the user recognizes that the acting clamping force in the fastening element 19 lies between the minimum clamping force to be achieved and the maximum to be achieved Clamping force and the fastener 19 is thus clamped according to plan. If, on the other hand, the outer edge 18 can not be seen in the slot 8, then the minimum clamping force to be achieved has not yet been reached - the fastening element 19 must continue to be tensioned.
- the user recognizes that the maximum clamping force to be achieved has been exceeded and the nut 22 must be released again.
- the indicator element 3 is elastic even after great deformation, so that it relaxes toward the base geometry 28 when relaxing, with the outer edge 18 being moved back in the slots 8. A user is thus directly displayed, from when the second mark 27 is reached during relaxation and a scheduled clamping force is reached.
- the washer 1 With the washer 1 according to the invention a user can easily read whether a fastener 19 is braced according to plan or not.
- the washer 1 also consists of few parts and is inexpensive to produce as a mass product.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017100833 | 2017-01-17 | ||
DE102017106165 | 2017-03-22 | ||
PCT/EP2018/050608 WO2018134107A1 (de) | 2017-01-17 | 2018-01-11 | Unterlegscheibe, befestigungsanordnung mit der unterlegscheibe sowie verwendung der unterlegscheibe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3571422A1 true EP3571422A1 (de) | 2019-11-27 |
Family
ID=61022324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18701127.5A Withdrawn EP3571422A1 (de) | 2017-01-17 | 2018-01-11 | Unterlegscheibe, befestigungsanordnung mit der unterlegscheibe sowie verwendung der unterlegscheibe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3571422A1 (de) |
CN (1) | CN110168237B (de) |
DE (1) | DE102018100493A1 (de) |
WO (1) | WO2018134107A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110792682A (zh) * | 2019-10-24 | 2020-02-14 | 泰信电机(苏州)有限公司 | 一种新型垫片 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153974A (en) * | 1961-04-26 | 1964-10-27 | Western Electric Co | Method of and device for indicating a predetermined pressure exerted by a fastener |
GB2120795A (en) * | 1982-05-06 | 1983-12-07 | Priest And Sons Ltd Benjamin | Load-indicating washer |
US7066053B2 (en) * | 2002-03-29 | 2006-06-27 | Junkers John K | Washer, fastener provided with a washer |
AU2010249938B2 (en) * | 2009-05-19 | 2013-11-07 | Applied Bolting Technology | Direct tension multi-color indicating washers |
DE102010042260A1 (de) * | 2010-10-11 | 2012-04-12 | Hilti Aktiengesellschaft | Verfahren zur Herstellung von drehmomentbegrenzten Befestigungsvorrichtungen |
CN201903420U (zh) * | 2010-12-08 | 2011-07-20 | 浙江华电器材检测研究所 | 垫圈防扭夹具及其专用垫圈座 |
GB201300093D0 (en) * | 2013-01-04 | 2013-02-20 | Phipps Maria J | Load indicating nut/washer |
-
2018
- 2018-01-11 WO PCT/EP2018/050608 patent/WO2018134107A1/de unknown
- 2018-01-11 CN CN201880007346.0A patent/CN110168237B/zh active Active
- 2018-01-11 DE DE102018100493.1A patent/DE102018100493A1/de active Pending
- 2018-01-11 EP EP18701127.5A patent/EP3571422A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2018134107A1 (de) | 2018-07-26 |
DE102018100493A1 (de) | 2018-07-19 |
CN110168237B (zh) | 2021-05-04 |
CN110168237A (zh) | 2019-08-23 |
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