EP3649287A1 - Pressmantel und dessen verwendung sowie verfahren zur herstellung des pressmantels - Google Patents
Pressmantel und dessen verwendung sowie verfahren zur herstellung des pressmantelsInfo
- Publication number
- EP3649287A1 EP3649287A1 EP18731420.8A EP18731420A EP3649287A1 EP 3649287 A1 EP3649287 A1 EP 3649287A1 EP 18731420 A EP18731420 A EP 18731420A EP 3649287 A1 EP3649287 A1 EP 3649287A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- component
- polyol
- crosslinker
- press cover
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/08—Pressure rolls
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/0209—Wet presses with extended press nip
- D21F3/0218—Shoe presses
- D21F3/0227—Belts or sleeves therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/005—Roll constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/0209—Wet presses with extended press nip
- D21F3/0218—Shoe presses
- D21F3/0227—Belts or sleeves therefor
- D21F3/0236—Belts or sleeves therefor manufacturing methods
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/04—Arrangements thereof
Definitions
- the invention is based on a press cover, in particular for a pressing device for treating a fibrous web, e.g. for their smoothing or dewatering, as well as a corresponding method for producing such a press jacket, in detail according to the independent claims.
- Pressing devices such as shoe presses, have long been part of modern paper machines. They essentially comprise a stationary arranged shoe (also called press shoe), which extends in a cross-machine direction and a rotating around the stationary shoe press cover. The latter is deformable and assumes in operation substantially a rohrformige shape.
- the shoe is shaped so that it forms a press nip with a counter-roller.
- the press nip is defined by the contact surface of the counter roll in the shoe.
- the shoe is movable and can be moved to the counter roll.
- the present invention relates to such initially mentioned, generic objects. It is accordingly an object of the invention to provide a press cover and a method for its production, which / which avoids the disadvantages of the prior art.
- the object is to provide a press cover, which has an over the prior art known press jackets increased stability and durability.
- the object is solved by the features of the independent claims. Particularly preferred and advantageous embodiments of the invention are given in the subclaims.
- the inventor has recognized that the object underlying the invention can be solved by the use of a crosslinker comprising a diamine and a carbonic acid ester, such as propylene carbonate or ethylene carbonate.
- the present invention is an isocyanate, it means a polyisocyanate such as diisocyanate.
- a pressing device for example, a shoe press, for example, for dewatering or treatment, such as smoothing a fibrous web.
- the shoe press comprises a shoe press roll and a counter roll which together form or define a press nip.
- the shoe press roll further comprises a rotating press cover and a stationary press Pressing element, the so-called press shoe.
- the latter is supported on a supporting, also standing yoke - for example via hydraulic pressing elements - and is pressed against the rotating press cover.
- the press cover rotates relative to the fixed press shoe and yoke and is thereby pressed in the press nip against the counter roll. Press shoe and yoke are arranged radially inside the press jacket.
- a fibrous web is to be understood as a scrim of fibers, such as wood fibers, synthetic fibers, glass fibers, carbon fibers, additives, additives or the like.
- the fibrous web may be formed, for example, as a paper, cardboard or tissue web. It may essentially comprise wood fibers, with small amounts of other fibers or additives and additives may be present. Depending on the application, this is left to the skilled person.
- a press cover in the context of the invention is a band, tube or a coat to understand the / as shown, together with a fibrous web is passed through the press nip of a shoe press.
- the radially outermost surface (polymer layer) of the press jacket can come into contact with a press felt during normal operation, from which the fibrous web to be dewatered is directly carried.
- the pressing device may, for example, for smoothing this of the press cover in normal operation also come into direct contact with the fibrous web.
- the press cover is designed as a circumferentially continuous around its longitudinal axis, closed jacket (hose).
- the press cover can be held at these axial ends of two lateral clamping disks to form the shoe press roll.
- the press cover can be guided over the press shoe and a plurality of guide rollers. Regardless of whether the press cover is guided by the clamping disks or the guide rollers, the press shoe (or the guide rollers) comes into contact with a part of the radially innermost surface of the press cover (temporarily).
- the radially outermost surface of such a press jacket that is, for example, the radially outermost polymer layer thereof may be provided with grooves and / or blind bores.
- the press cover may be partially or completely made of a polymer.
- a pourable, curable, preferably elastomeric polymer such as polyurethane can be used as the polymer.
- the polymer can thus be adjusted as cast elastomer.
- polymer layer is meant a layer comprising or entirely made of such a castable, curable, preferably elastomeric polymer.
- the polymer layer may preferably be a hardened layer produced in one piece by primary shaping. In other words, this is a monolithic urgeformt, so by e.g. Casting made.
- the term one-piece also includes cases in which the one layer was again made by casting the polymer from multiple layers of the same material. However, this only insofar as these layers are essentially no longer visible after curing, but a single, preferably uniform layer results. The same applies accordingly for the finished press cover.
- these can be arranged one above the other in the radial direction, at least in sections over the width of the press jacket. At least in sections over the width of the press jacket means that the press cover is only single-layered, for example, at its axial ends, whereas it is two- or multi-layered between the axial ends.
- the polymer layers can also extend over the entire width of the press jacket.
- the thickness of the press jacket - and thus the thickness of the individual polymer layers - in a section through the longitudinal axis thereof vary in sections along the longitudinal axis.
- the radially outermost polymer layer in the region of the width edges of the press jacket may be smaller than in the middle of the press jacket.
- the radially outermost polymer layer may be less thick than a radially inner or radially innermost polymer layer.
- exactly one, two or three polymer layers are provided. These may be identical in polymer or vary in hardness or stoichiometry of the prepolymer.
- a total thickness of the finished press jacket in a section through the longitudinal axis of the same measured in the radial direction may be 5 to 10 mm, preferably 5 to 7, particularly preferably 5 to 6 mm.
- the press cover when a single layer is provided, the press cover may be made of a single cast, ie monolithically, so that the single layer has the thickness just mentioned.
- a finished press cover is one whose at least one polymer layer has hardened and finished, that is to say for the purpose stated at the outset in, for example, US Pat. a shoe press is ready for use.
- Analog is meant by finished polymer layer, a layer which has cured.
- the press cover has a reinforcing structure.
- reinforcing structure in the sense of the invention is meant an enhancement of the at least one layer containing or consisting of the polymer, ie the polymer layer.
- the reinforcing structure can be completely embedded in the polymer layer so that the reinforcing structure does not go beyond the boundary of the polymer layer.
- the polymer layer plays the role of a matrix surrounding the reinforcing structure and bonding to the matrix as a result of adhesion or cohesive forces.
- Such a reinforcing structure may include reinforcing structures, such as textile line formations - z. As yarns or threads - and / or textile fabrics - such.
- Starting material is understood to be that material or semifinished product by means of which the reinforcing structure of the finished press jacket according to the invention is produced.
- Such a reinforcing structure can be embedded in the polymer layer in or after step e) according to the method of the invention. After embedding in the corresponding polymer layer, the starting material thus forms the reinforcing structure of the finished pressed shell according to the invention.
- the crosslinker comprises at least two components
- the crosslinker should be made of at least two components.
- the percentages of the two, three, four, five or more components may be selected to have exactly two, three, four, five or more components.
- the percentages of each of the at least two components of the crosslinker may be chosen so that they do not exceed 100% by weight in total.
- the crosslinker in principle, it would be conceivable for the crosslinker to have a third component (K3) which is selected from at least one polyol, preferably bifunctional polyol whose molecular weight is preferably from 1,000 to 4,000 g / mol, such as polyester polyol, in particular polycaprolactone polyol; Polyether polyols, especially polytetramethylene ether glycol (PTMEG), polypropylene glycol (PPG), polyethylene glycol (PEG), polyhexamethylene ether glycol, polycarbonate polyol, polyethercarbonate polyol, polybutadiene polyol, perfluoropolyether polyol, silicone polyol, or mixtures thereof.
- PTMEG polytetramethylene ether glycol
- PPG polypropylene glycol
- PEG polyethylene glycol
- polyhexamethylene ether glycol polycarbonate polyol
- polyethercarbonate polyol polyethercarbonate polyol
- a fourth component (K4) which comprises or is formed by a catalyst, the fourth component (K4) being selected is from tertiary amines such as 1,4-diazabicyclo (2.2.2) octane (DABCO), triethylamine, metal compounds, organometallic compounds - eg comprising or containing bismuth such as bismuth neodecanoate, mercury, aluminum, zirconium, iron, calcium, sodium , Potassium, lead, tin, titanium - or mixtures of the aforementioned substances.
- tertiary amines such as 1,4-diazabicyclo (2.2.2) octane (DABCO), triethylamine, metal compounds, organometallic compounds - eg comprising or containing bismuth such as bismuth neodecanoate, mercury, aluminum, zirconium, iron, calcium, sodium , Potassium, lead, tin, titanium - or mixtures of the
- the reaction rate of crosslinking - and thus the production process of the press jacket - can be better controlled if such is added to the crosslinker.
- the proportion of the catalyst can be reduced. Therefore, it would be conceivable in principle to dispense with the component K4, ie the catalyst.
- the percentages of each of the exactly three, four or exactly five components can be chosen such that they do not exceed 100% by weight in their total amount. In other words, this means that just exactly three or exactly four or exactly five components are present in the crosslinker.
- crosslinker is made up of or comprises exactly two, three, exactly four or exactly five or more components
- each of said components could in turn consist of further subcomponents.
- the substances according to the invention are themselves the components.
- the crosslinker is used, then on the one hand exactly one or more than one such, ie several corresponding components are meant.
- the components according to the invention can be added to the crosslinker, for example, according to the process according to the invention before they are reacted with the prepolymer.
- the fraction comprises at least> 0%, eg 0.01% or more, but at most the certain percentage. If, for example, there is talk of "at most 15%”, then the interval is always between> 0%, ie, for example, greater. 0.01% and (exactly) 15%.
- aliphatic amines may mean primary aliphatic amines, secondary aliphatic amines or tertiary aliphatic amines. In a preferred embodiment, however, the aliphatic amines are primary aliphatic amines, since hereby the advantages of the invention are best adjusted. This applies analogously to aromatic amines as well as to (aromatic) diamines.
- the polyol of the prepolymer may be selected from: polyester polyol, especially polycaprolactone polyol, polyether polyol, especially polytetramethylene ether glycol (PTMEG), polypropylene glycol (PPG), polyethylene glycol (PEG) or polyhexamethylene ether glycol; polycarbonate,
- polyester polyol especially polycaprolactone polyol
- polyether polyol especially polytetramethylene ether glycol (PTMEG), polypropylene glycol (PPG), polyethylene glycol (PEG) or polyhexamethylene ether glycol
- PTMEG polytetramethylene ether glycol
- PPG polypropylene glycol
- PEG polyethylene glycol
- polycarbonate polycarbonate
- a press cover comprising at least one polymer layer, wherein the polymer layer contains or is made of a polyurethane, surprisingly exhibits the advantages according to the invention when it is formed as follows:
- the polyurethane is formed from a prepolymer and a crosslinker, and the prepolymer is a reaction product of 1, 4-phenylene diisocyanate (PPDI) and a polyol, the crosslinker comprising exactly four components, namely:
- a first component (K1) comprising 25 to 95 wt .-% MCDEA as a diamine
- a second component (K2) comprising 1 to 25 wt .-% of propylene carbonate from the group of carbonic acid esters, and
- the invention also relates to a press roll, such as a shoe press roll, for a shoe press for dewatering a fibrous web, wherein the press roll has at least one press jacket according to the invention.
- the invention also relates to a shoe press for dewatering a fibrous web, preferably a paper, board, tissue or pulp web, comprising a press roll and a counter roll, which together form or define a nip, wherein the press roll comprises a rotating press cover, wherein the press cover is formed according to the invention.
- a press jacket according to the invention for a press such as shoe press for dewatering a fibrous web, preferably a paper, board, tissue or pulp web.
- Fig. 1 is a partially sectioned, schematic side view of a shoe press with a press cover according to an embodiment of the present invention.
- Figure 2 is a schematic, partially cut and enlarged view of an embodiment of a press jacket seen in a cross section through the longitudinal axis.
- Fig. 3 is a highly schematic representation of the implementation of the method according to the invention in a side view of a device for
- FIG. 1 shows a shoe press 10, which in the present case comprises a press roll according to the invention, such as a shoe press roll 12, and a counter roll 14.
- Shoe press roll 12 and counter roll 14 are arranged with respect to their longitudinal axes parallel to each other. Together they form or limit a nip 22.
- the shoe-press roller 12 is composed of a shoe 16, a stationary yoke 18 carrying it and a press cover 20.
- Shoe 16 and yoke 18 are fixedly arranged with respect to the counter-roller 14 and the press cover 20, respectively. That means they do not rotate.
- the shoe 16 is supported by the yoke 18 and pressed by means not shown, hydraulic pressing elements to the radially innermost surface of the relatively encircling press jacket 20.
- the press jacket 20 which surrounds the shoe 16 and the yoke 18 in the circumferential direction, rotates about its longitudinal axis in the opposite direction of rotation to the counter-roller 14.
- the shoe press 10 is particularly suitable for dewatering fibrous webs 24.
- a fibrous web 24 is guided through the press nip 22 with one or two press felts 26, 26 '.
- there are exactly two press felts 26, 26 ' which sandwich the fibrous web 24 between them.
- a pressure is indirectly exerted in the nip 22 on the fibrous web 24 by the press felts 26, 26 '.
- FIG. 2 shows a possible embodiment of the invention in a cross-section, not to scale, partially represented along the longitudinal axis 20 'of the finished press jacket 20.
- the press cover 20 consists of a plurality of polymer layers arranged radially one above the other.
- the press cover 20 consists of a plurality of polymer layers arranged radially one above the other.
- the multiple polymer layers could then be made according to the invention.
- a reinforcing structure 20 is embedded in the at least one polymer layer 20.1, which is indicated by the hatched circles, which may be textile area or line structures such as fibers
- the reinforcing structure 20" is completely embedded in the polymer layer 20.1. That means that the Reinforcement structure 20 "does not extend beyond the boundaries of the polymer layer 20.1, in which it is embedded.
- FIG. 3 shows, in a highly schematic side view, an apparatus for producing a press jacket 20 according to the invention.
- the apparatus is set up in such a manner that it carries out the method according to the invention for producing the press jacket 20.
- the device has exactly one cylindrical winding mandrel 4, in which case its radially outermost lateral surface, e.g. a reinforcing structure 20 "of a starting material 20" 'is spirally applied.
- the illustration shows an initial stage of the manufacturing process.
- one end of the starting material 20 "' is fixed on a polymer which is arranged on the outer circumference of the winding mandrel 4.
- the one end of the starting material 20"' could also be directly, ie directly on The winding mandrel 4 may rest or be applied without initially providing a polymer between the starting material 20 "'and the winding mandrel 4.
- the starting material 20"' may be a textile fabric or a line structure.
- the mandrel 4 is rotatably mounted about its longitudinal axis 20 ', which corresponds to the longitudinal axis of the press jacket to be produced. Longitudinal axis 20 'extends perpendicular to the plane of the drawing.
- a casting material such as pourable, hardenable elastomeric polymer, for example polyurethane, is introduced from above onto the radially outermost lateral surface of the winding mandrel 4 or onto the starting material 20 '' via a line 5.
- Such a casting material may, for example, have a pot life and viscosity are chosen such that it does not drip down during casting from the winding mandrel 4.
- the winding mandrel 4 is rotated in the direction of the arrow about its longitudinal axis.At the same time with this rotation, the casting nozzle 6 is parallel to a guide, not shown in FIG Along the longitudinal axis 20 'along this relatively along the winding mandrel 4. Simultaneously with the pouring of the casting material, the starting material 20 "' unrolled and wound on the rotating winding mandrel 4 into helices. In this case, the casting material by the starting material 20 "' pass through to the mandrel 4.
- the polymer forms in this example, after the curing step, a first, here radially innermost and preferably elastomeric polymer layer 20.1 of the press jacket, of which only a part is shown in FIG.
- the pouring material emerging from the pouring nozzle 6 is a mixture of a prepolymer and a crosslinking agent.
- the former is provided from a prepolymer container, not shown, in which it is stored or stirred.
- the reaction product may comprise an isocyanate of the invention and a polyol.
- the reaction product container prepolymer container
- it may be in the form of a prepolymer of the aforementioned substances.
- the crosslinker may be provided in a crosslinker tank.
- the crosslinker comprises at least one first component K1 according to the invention and a second component K2 according to the invention.
- the crosslinker may also comprise a third component K3 according to the invention comprising at least one polyol and / or also a fourth component according to the invention, such as a catalyst. Even a fifth or further components would be conceivable in principle.
- the crosslinker with its corresponding components can be mixed directly in the crosslinker container. It is conceivable, however, also that the device for each of the components comprises a corresponding individual container, which is connected via lines not shown in flow communication with the crosslinker container to produce the crosslinker according to the invention in the crosslinker container.
- Prepolymer containers and crosslinker containers are associated with the device for producing a press jacket 20. They are connected via lines also not shown in flow with one of the casting nozzle 6 in the flow direction upstream mixing chamber (not shown). The prepolymer crosslinker mixture is thus produced upstream and outside of the pouring nozzle 6, ie mixed in the mixing chamber. Regardless of the preparation of the mixture, this is then applied to the surface of the winding mandrel 4 for forming the at least one polymer layer 20. 1 of the press jacket 20.
- the press cover 20 is designed according to the invention.
- the polyurethane is formed from a prepolymer according to the invention - which is a reaction product of at least one polyol with an isocyanate - and a crosslinker.
- the crosslinker comprises e.g. the components mentioned above. However, it can also have further components known to the person skilled in the art.
- the invention By means of the invention, a particularly high stability of the press jacket 20 with respect to the mechanical and dynamic properties such as stability, surface hardness, resistance to pressure, temperature and hydrolysis and a low swelling and lead during operation to a prolonged life of the same achieved.
- virtually bubble-free press jackets can be produced, which enable polymer layers of up to 40 mm thick in one coating pass.
- the reinforcing structure 20 "of the at least one polymer layer 20.1, 20.2 could also be made up of a plurality of starting materials 20"'laid one over the other in the radial direction and extending in the longitudinal axis direction and in the circumferential direction of the press jacket 20.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017115084.6A DE102017115084A1 (de) | 2017-07-06 | 2017-07-06 | Pressmantel und Verfahren zur Herstellung eines solchen |
| PCT/EP2018/065577 WO2019007650A1 (de) | 2017-07-06 | 2018-06-13 | Pressmantel und dessen verwendung sowie verfahren zur herstellung des pressmantels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3649287A1 true EP3649287A1 (de) | 2020-05-13 |
| EP3649287B1 EP3649287B1 (de) | 2021-01-27 |
Family
ID=62620869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18731420.8A Not-in-force EP3649287B1 (de) | 2017-07-06 | 2018-06-13 | Pressmantel und dessen verwendung sowie verfahren zur herstellung des pressmantels |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20200291576A1 (de) |
| EP (1) | EP3649287B1 (de) |
| JP (1) | JP6780151B2 (de) |
| CN (1) | CN110869556B (de) |
| DE (1) | DE102017115084A1 (de) |
| WO (1) | WO2019007650A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4337824A1 (de) * | 2021-05-12 | 2024-03-20 | Voith Patent GmbH | Walzenbezug und walze |
| DE102021119361A1 (de) | 2021-07-27 | 2023-02-02 | Voith Patent Gmbh | Pressmantel für eine Schuhpresse bzw. Transportband mit verbesserten Eigenschaften |
| EP4202116A1 (de) | 2021-12-21 | 2023-06-28 | Voith Patent GmbH | Pressmantel für eine schuhpresse bzw. transportband mit verbesserten bruch- und reisseigenschaften |
| EP4671439A1 (de) * | 2024-06-28 | 2025-12-31 | Voith Patent GmbH | Pressmantel für eine presswalze oder transportband |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762284A (en) | 1980-10-01 | 1982-04-15 | Sumitomo Chem Co Ltd | Stabilizing method |
| JP4516610B2 (ja) * | 2008-02-08 | 2010-08-04 | イチカワ株式会社 | シュープレス用ベルト |
| DE102011079894A1 (de) * | 2011-07-27 | 2013-01-31 | Voith Patent Gmbh | Pressmantel für eine Schuhpresse bzw. Transportband auf Basis von aus MDI-Polycarbonat-Prepolymer gebildetem vernetztem Polyurethan |
| EP3640397B1 (de) * | 2012-12-07 | 2021-07-21 | Voith Patent GmbH | Pressmantel für presswalze |
| TR201903869T4 (tr) * | 2013-06-27 | 2019-04-22 | Dow Global Technologies Llc | Endüstriyel rulolar üzerine kaplamalar için küratif ajan. |
| JP6341405B2 (ja) * | 2013-10-22 | 2018-06-13 | Dic株式会社 | ウレタン組成物及びウレタンエラストマー成形品 |
| WO2015086555A1 (de) * | 2013-12-13 | 2015-06-18 | Voith Patent Gmbh | Pressband und dessen verwendung sowie presswalze und schuhpresse |
| JP6674698B2 (ja) * | 2015-04-07 | 2020-04-01 | ヤマウチ株式会社 | シュープレス用ベルト |
| DE102016201344A1 (de) * | 2016-01-29 | 2017-08-03 | Voith Patent Gmbh | Pressmantel und Verfahren zur Herstellung eines solchen |
-
2017
- 2017-07-06 DE DE102017115084.6A patent/DE102017115084A1/de not_active Ceased
-
2018
- 2018-06-13 JP JP2020500189A patent/JP6780151B2/ja active Active
- 2018-06-13 US US16/628,757 patent/US20200291576A1/en not_active Abandoned
- 2018-06-13 EP EP18731420.8A patent/EP3649287B1/de not_active Not-in-force
- 2018-06-13 WO PCT/EP2018/065577 patent/WO2019007650A1/de not_active Ceased
- 2018-06-13 CN CN201880045268.3A patent/CN110869556B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP6780151B2 (ja) | 2020-11-04 |
| WO2019007650A1 (de) | 2019-01-10 |
| CN110869556A (zh) | 2020-03-06 |
| DE102017115084A1 (de) | 2019-01-10 |
| CN110869556B (zh) | 2022-02-08 |
| JP2020525669A (ja) | 2020-08-27 |
| US20200291576A1 (en) | 2020-09-17 |
| EP3649287B1 (de) | 2021-01-27 |
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Legal Events
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| STAA | Information on the status of an ep patent application or granted ep patent |
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