EP3953594A1 - Lamelle für eine lamellenkupplung, lamellenkupplung mit der lamelle sowie verfahren zur herstellung der lamelle - Google Patents
Lamelle für eine lamellenkupplung, lamellenkupplung mit der lamelle sowie verfahren zur herstellung der lamelleInfo
- Publication number
- EP3953594A1 EP3953594A1 EP20718581.0A EP20718581A EP3953594A1 EP 3953594 A1 EP3953594 A1 EP 3953594A1 EP 20718581 A EP20718581 A EP 20718581A EP 3953594 A1 EP3953594 A1 EP 3953594A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamella
- disc
- disk
- lamellar body
- clutch
- 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- Withdrawn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
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/68—Attachments of plates or lamellae to their supports
- F16D13/683—Attachments of plates or lamellae to their supports for clutches with multiple lamellae
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/648—Clutch-plates; Clutch-lamellae for clutches with multiple lamellae
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/003—Chip removing
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
- F16D2250/0076—Welding, brazing
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49966—Assembling or joining by applying separate fastener with supplemental joining
- Y10T29/49968—Metal fusion joining
Definitions
- Disk for a disk clutch disk clutch with the disk as well
- the invention relates to a disk for a disk clutch with the features of the preamble of claim 1. Furthermore, the invention relates to a disk clutch with a plurality of the disks and a method for producing the disk.
- multi-disk clutches which usually have a first disk pack made of steel disks and a second disk pack made of friction disks.
- the lamellae of the two lamella packs are arranged in alternating order, the lamellae being able to be brought into contact with one another to form a frictional connection, for example between two shafts.
- the steel and friction disks are usually made as closed rings by punching from sheet metal.
- the invention has set itself the task of creating a lamella of the type mentioned, which is characterized by a particularly inexpensive design. It is also an object of the invention to propose a corresponding multi-disc clutch and a method for producing the disc.
- a disk having the features of claim 1, a disk clutch having the features of claim 9 and a method having the features of claim 10.
- Advantageous embodiments result from the subclaims, the drawings and the description.
- the invention relates to a disk which is designed and / or suitable for a disk clutch.
- the lamella is used to form a frictional connection and / or a force fit in a circumferential direction with at least or precisely one adjacent lamella.
- the lamella can be designed as an intermediate lamella or as a friction lamella.
- the lamella has a lamella body which is designed as an annular disk, in particular an annular disk that encircles a central axis.
- the lamellar body preferably has a rectangular or at least approximately rectangular cross-sectional profile, with an axial dimension of the cross-sectional profile being smaller than a radial dimension of the cross-sectional profile with respect to the central axis.
- the cross-sectional profile of the lamella body is oriented upright in the radial direction with respect to the central axis.
- the lamellar body is preferably made of a metallic material, preferably steel.
- the lamellar body has a driving contour on its inner circumference.
- the lamellar body has the entrainment contour or another entrainment contour on its radial outer circumference.
- the inner circumference is defined by a radial inner edge curved around the central axis and the outer circumference by a radial outer edge of the annular disk curved around the central axis.
- the entrainment contour is designed and / or suitable for the non-rotatable assembly of the lamella.
- the entrainment contour is preferably used for the rotationally fixed mounting of the lamella on a lamella carrier and / or a shaft with a corresponding mating contour.
- the entrainment contour can be designed as a feather connection.
- the driving contour is designed as a driving profile encircling the central axis.
- the lamellar body is formed by upright rollers on its inner circumference.
- Hochkantrol len a linear or preformed, for example curved, strip of material, upright with means of a rolling tool around a bending axis to the annular disc plastically deformed, in particular rolled, the central axis corresponding to the bending axis.
- "On edge” is to be understood to mean that the material strip in relation to the The bending axis is deformed in a radial plane, the strip of material with its rectangular cross-sectional profile being aligned upright in the radial plane.
- the rolling tool e.g. a roll or a roller, unrolled on egg ner longitudinal edge of the strip of material so that the strip of material experiences a constant bend about the central axis.
- the material strip is particularly preferably reshaped by at least approximately 360 degrees around the central axis, so that the two end faces of the material strip are opposite one another in the circumferential direction.
- the annular disk is thus preferably shaped as a ring that is interrupted in the circumferential direction, in particular an open, disk-shaped ring.
- the advantage of the invention is, in particular, that the upright rolling of the scrap, which arises in particular in the punching process known from the prior art, is significantly reduced or does not arise at all.
- the lamellas can thus be produced in a particularly material-saving and thus inexpensive manner.
- a manufacturing process that is gentle on the material and tools is proposed, so that the tool costs can also be reduced.
- the lamella steering body has two opposite end sections in the circumferential direction.
- the two end sections are defined as the two end faces of the material strip.
- the two end sections can bear against one another in the circumferential direction.
- the two end sections are in direct contact with one another, so that the two end sections make linear contact with one another in the circumferential direction and / or are in flat contact with one another.
- the two end sections can also rest indirectly against one another, wherein, for example, an intermediate layer, for example an adhesive layer, can be arranged between the two end sections.
- the two end sections are slightly spaced from one another in the circumferential direction.
- “slightly spaced” is to be understood as meaning that the two end sections are separated from one another by an air gap.
- the two end sections are arranged at a distance of less than 1 mm, preferably less than 0.5 mm, especially less than 0.1 mm, from one another.
- the two end sections are connected to one another in the circumferential direction by means of a joining process.
- the joining process is preferably selected from one of the process groups according to DIN 8593.
- the end sections are positively and / or cohesively and / or non-positively connected to one another in the circumferential direction.
- the two end sections are preferably connected to one another in a non-detachable manner or at least to a limited extent.
- the two end sections are connected to one another by welding, in particular joint welding.
- the two end sections can be materially connected to one another by laser welding.
- the two end sections are connected to one another by forming.
- the two end sections are preferably connected to one another in a form-fitting and / or force-fitting manner by clinching, also known as “clinching”.
- the entrainment contour is introduced into the lamellar body by means of a cutting process.
- the entrainment contour is preferably introduced into the lamellar body by non-cutting cutting.
- the driving contour is introduced into the lamellar body by dividing it, preferably in accordance with DIN 8588.
- the entrainment contour is introduced into the lamellar body after the upright rolling, in particular after the joining of the end sections.
- the entrainment contour is introduced into the lamella body by fine cutting.
- the entrainment contour is introduced into the lamellar body by punching.
- the lamellar body is preferably processed in a punch press, the entrainment contour being introduced into the lamellar body by means of a stamp.
- the lamellar body is held in place by what is known as a ring spike during fine blanking.
- the entrainment contour in particular special with respect to the central axis, a plurality of uniformly in the circumferential direction direction of distributed and aligned in the radial direction projections and / or recesses ments.
- the projections and / or recesses can have a round and / or angular and / or pointed, in particular tooth-like, contour.
- the entrainment contour extends in the circumferential direction over the entire inner circumference or outer circumference.
- the projections and / or recesses are preferably arranged distributed in the circumferential direction in such a way that, in particular, the two end sections together, in particular in equal parts, form a projection and / or a recess.
- the entrainment contour is designed as a spline.
- the lamella is designed as a friction lamella, the lamella body having a friction surface at least or precisely on one side, but preferably on both sides. In particular, he stretches the friction surface in a radial plane with respect to the central axis.
- the friction surface is preferably defined by an annular surface of the annular disk.
- the friction surface can extend over the entire surface of the circular ring surface. Alternatively, however, the friction surface can also extend in sections and / or circumferentially, interrupted, over the circular ring surface.
- the friction surface can be integrated directly into the disk body.
- the friction surface can be implemented by structuring, in particular corrugation, introduced into the lamellar body.
- the friction surface is formed by a friction lining which is applied to the at least one side of the lamellar body.
- the friction lining can be designed as a paper friction lining.
- the multi-disc clutch is preferably designed as a drive clutch or as a brake clutch.
- the multi-plate clutch formed as a drive clutch serves to interrupt a torque between two shafts.
- the multi-plate clutch designed as a brake clutch is used to generate a braking torque between a shaft and a stationary component, for example a housing.
- the multi-disc clutch can be used as a switchable clutch, such as that used in a manual transmission of a motor vehicle. will be trained.
- the multi-plate clutch can, however, also be designed as a non-switchable multi-plate clutch, as these are used for example as a differential lock in a differential gear of a motor vehicle.
- the multi-disk clutch comprises a first disk pack with disks which have the driving contour on their inner circumference and a second disk pack with disks which have the driving contour on their outer circumference.
- the lamellae of the first lamella set are designed as inner lamellae which, for example, are non-rotatably but axially displaceably connected and / or connectable to a shaft or an inner disk carrier.
- the disks of the second disk pack are designed as outer disks, which are connected and / or connectable, for example, in a rotationally fixed but axially displaceable manner to a hollow shaft or an outer disk carrier.
- the lamellae of the first and / or the second lamellae pack are preferably designed as the friction lamellas.
- the lamellas of the first and second lamella packs are arranged alternately one behind the other.
- the lamellae of the first and / or the second lamella pack are formed into the annular disk by rolling the respective lamella body upright on its inner circumference.
- Another object of the invention relates to a method for producing a lamella as already described above.
- the process comprises the following steps:
- the inner circumference being defined by the longitudinal edge machined by edgewise rollers and the outer circumference being defined by the other longitudinal edge.
- the strip of material is particularly preferably linear and / or strip-shaped.
- the material strip is designed as a metal strip, preferably as a sheet metal strip, especially as a sheet steel strip.
- the two longitudinal edges are preferably designed as two parallel, in particular rectangular, longitudinal sides of the material strip with respect to a longitudinal axis, which are spaced apart from one another by a width.
- the material strip has two parallel, in particular rectangular, sides, preferably a front side and a rear side, which are spaced apart from one another by a thickness.
- an axial longitudinal extension of the material strip in relation to the longitudinal axis is many times greater than the width of the material strip.
- the width of the material strip is preferably many times greater than the thickness of the material strip.
- the material strip is set up on edge during the forming process, so that the front or rear side of the material strip is arranged in a radial plane of the bending axis and / or the first and / or second longitudinal edge is perpendicular to the radial plane.
- the two end sections are connected to one another after the edgewise rolling by joining, in particular by welding or by forming.
- the entrainment contour is introduced into the lamellar body after rolling upright by cutting, in particular by fine cutting and / or punching.
- Figure 1 is an axial view of a disk for a disk clutch as an Ausry approximately example of the invention
- FIGS. 2a, b show a schematic representation of a blank of the lamella and a method for producing the lamella from FIG.
- FIG. 1 shows, in an axial view with respect to a central axis MA, a lamella 1, which is designed and / or suitable, for example, for a lamella clutch of a vehicle.
- the lamella 1 has a lamella body 2 which is designed as an annular disk.
- the lamellar body 2 is made of a metallic material, in particular steel.
- the lamellar body 2 has an inner and an outer circumference 4, 3, the lamellar body 2 having an entrainment contour 5 on its inner circumference 4 for the non-rotatable connection of the lamella 1.
- the lamella 1 is designed as an inner lamella, wherein the lamella 1 can be connected non-rotatably via the entrainment contour 5, for example with a shaft with a corresponding counter-contour or with an inner lamella carrier.
- the entrainment contour 5 is formed by a large number of recesses 6, which are introduced into the lamellar body 2 in the circumferential direction about the central axis MA at a uniform distance from one another.
- a fitting toothing is formed which has teeth directed radially inward.
- the recesses 6 are made in the lamellar body 2 by fine cutting or punching.
- the lamellar body 2 is designed to be interrupted in the circumferential direction around the central axis MA, so that a first and a second end section 7a, b are formed.
- the two end sections 7a, b are arranged opposite one another and together form a tooth of the entrainment contour 5.
- the two end sections 7a, b rest against one another in the direction of rotation or are arranged slightly spaced from one another.
- the two end sections 7a, b can be firmly connected to one another in a materially bonded manner, for example by welding or gluing, or positively and / or non-positively, for example by clinching.
- the lamella 1 is designed as a friction lamella, wherein the lamella steering body 2 has a friction surface 9 on its side 8, in particular on the front and / or rear side.
- the friction surface 9 is defined by an annular surface of the annular disk-shaped lamellar body 2 and / or is arranged on this.
- the friction surface 9 thus extends in relation to the central axis MA in a radius a level.
- the friction surface 9 can be integrated into the lamellar body 2, with a grid-like structure being introduced into the side 8 of the lamellar body 2, for example.
- the friction surface 9 can also be formed by a friction lining, not shown, with the friction lining 9 being applied to the side 8 of the lamellar body 2, in particular its circular ring surface.
- the friction lining 9 can be formed by a coating.
- the lamellar body 2 is machined on its inner circumference 4 by edgewise rolling, so that the lamellar body 2 is shaped about the central axis MA to form the ring disk.
- the method for producing the lamella body 2 by upright rolling is described in greater detail below with reference to FIGS. 2a, b.
- FIG. 2a shows schematically in a perspective representation an elongated strip of material 10 which forms a blank of the lamella 1 from FIG.
- the strip of material 10 is formed as a band-shaped flat steel strip which has an elongated shape with respect to a longitudinal axis LA.
- the material strip 10 has a first and a second axial end face 11a, b in relation to the longitudinal axis LA, the first end face 11a having the first end section 7a, as shown in FIG. 1, and the second end face 11b the second end section 7b , as shown in Figure 1, forms.
- the two end faces 11 a, b are spaced apart from one another by a length L in relation to the longitudinal axis LA and are designed as a rectangular surface.
- the material strip 10 also has a first and a second longitudinal edge 12a, b, the two longitudinal edges 12a, b being arranged parallel to one another with respect to the longitudinal axis LA and being spaced apart from one another by a width B.
- the length L of the material strip 10 is many times greater than the width B of the material strip 10.
- the material strip 10 has a front side 13a and a rear side 13b, the front side 13a and the rear side 13b being spaced from one another by a thickness D.
- the width B is many times greater than the thickness D of the material strip 10.
- the material strip 10 is set up on edge with respect to a bending axis BA, the material strip 10 for this purpose with its sides 13a, b each extends in a radial plane of the bending axis BA.
- the material strip 10 is, for example, rolled upright on its second longitudinal edge 12b by a rolling tool 14, so that the two longitudinal edges 12a, b are reshaped with a uniform curvature around the bending axis BA, as shown schematically by a dashed illustration is indicated.
- the first longitudinal edge 12a defines the outer circumference 3 and the second longitudinal edge 12b defines the inner circumference 4, as shown in FIG.
- the strip of material 10 is processed by the rolling tool 14 until the two end faces 11 a, b or the two end sections 7a, b are reshaped by at least approximately 360 degrees around the bending axis BA, so that the annular disc forms ge and the bending axis BA Central axis MA of the lamellar body 2 is defined.
- the two end sections 7a, b can then be connected to one another in a joining process and the entrainment contour 5 can be introduced into the lamellar body 2 in a separating process.
- a lamella 1 By reshaping the strip of material 10 by edgewise rolling, a lamella 1 can thus be manufactured in a particularly simple manner, with waste and thus material costs being significantly reduced compared to the punching process known from the prior art. Through the use of edgewise rolled strips of material 10, the material used can thus be used to 100% who the.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019204988.5A DE102019204988A1 (de) | 2019-04-08 | 2019-04-08 | Lamelle für eine Lamellenkupplung, Lamellenkupplung mit der Lamelle sowie Verfahren zur Herstellung der Lamelle |
PCT/EP2020/059262 WO2020207878A1 (de) | 2019-04-08 | 2020-04-01 | Lamelle für eine lamellenkupplung, lamellenkupplung mit der lamelle sowie verfahren zur herstellung der lamelle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3953594A1 true EP3953594A1 (de) | 2022-02-16 |
Family
ID=70285625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20718581.0A Withdrawn EP3953594A1 (de) | 2019-04-08 | 2020-04-01 | Lamelle für eine lamellenkupplung, lamellenkupplung mit der lamelle sowie verfahren zur herstellung der lamelle |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220163069A1 (de) |
EP (1) | EP3953594A1 (de) |
CN (1) | CN113646553A (de) |
DE (1) | DE102019204988A1 (de) |
WO (1) | WO2020207878A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2159194A1 (de) * | 1971-11-30 | 1973-06-07 | Zahnradfabrik Friedrichshafen | Verfahren zum herstellen kreisringfoermiger reibscheiben fuer reibungskupplungen |
US4010831A (en) * | 1975-11-21 | 1977-03-08 | General Motors Corporation | Transmission friction plate and device |
US4674616A (en) * | 1983-01-31 | 1987-06-23 | Borg-Warner Corporation | Friction disc with segmented core plate and facings |
JPH0763791B2 (ja) * | 1990-10-15 | 1995-07-12 | 本田技研工業株式会社 | クラッチディスク芯板の製造方法 |
DE102009057353A1 (de) * | 2009-12-07 | 2011-06-09 | Borgwarner Inc., Auburn Hills | Lamellenkupplung mit einer Federeinrichtung |
US20110278131A1 (en) * | 2010-05-12 | 2011-11-17 | Borgwarner Inc. | Low-cost sheet metal clutch housing for a friction clutch |
DE102011080927A1 (de) * | 2011-08-12 | 2013-02-14 | Egon Großhaus GmbH & Co. KG | Verfahren und Vorrichtung zur Herstellung von ringförmigen Kupplungslamellen mit Verzahnung |
DE102015114673A1 (de) * | 2015-09-02 | 2017-03-02 | Hoerbiger Antriebstechnik Holding Gmbh | Stahl-Reiblamelle und Reibungskupplung mit solchen Reiblamellen und Verfahren zur Herstellung einer solchen Reiblamelle |
DE102016011758A1 (de) * | 2016-09-30 | 2018-04-05 | Wieland-Werke Ag | Verfahren zur Herstellung eines Kurzschlussrings |
-
2019
- 2019-04-08 DE DE102019204988.5A patent/DE102019204988A1/de active Pending
-
2020
- 2020-04-01 EP EP20718581.0A patent/EP3953594A1/de not_active Withdrawn
- 2020-04-01 US US17/601,646 patent/US20220163069A1/en active Pending
- 2020-04-01 WO PCT/EP2020/059262 patent/WO2020207878A1/de unknown
- 2020-04-01 CN CN202080026243.6A patent/CN113646553A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102019204988A1 (de) | 2020-10-08 |
US20220163069A1 (en) | 2022-05-26 |
CN113646553A (zh) | 2021-11-12 |
WO2020207878A1 (de) | 2020-10-15 |
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STAA | Information on the status of an ep patent application or granted ep patent |
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