WO2014170076A1 - Presswalze - Google Patents
Presswalze Download PDFInfo
- Publication number
- WO2014170076A1 WO2014170076A1 PCT/EP2014/055330 EP2014055330W WO2014170076A1 WO 2014170076 A1 WO2014170076 A1 WO 2014170076A1 EP 2014055330 W EP2014055330 W EP 2014055330W WO 2014170076 A1 WO2014170076 A1 WO 2014170076A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clamping
- segments
- press
- ring
- shoulders
- Prior art date
Links
Classifications
-
- 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
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/16—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/16—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
- B30B11/165—Roll constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
Definitions
- the invention relates to a press roll for a roll press, in particular for briquetting, compacting or grinding of granular material, comprising a roll core and a circumferentially mounted on the roll core roll shell, which is composed of a plurality of circumferentially distributed segments with mutually facing end faces, wherein the Segments have frontally peripheral clamping shoulders with first clamping surfaces and wherein the segments are frontally with at least one fastening ring releasably secured to the roll core, which engages over the clamping shoulders of the segments.
- it is a press roll for a roll press for hot briquetting or hot compacting, e.g. B. hot briquetting or hot compacting directly reduced iron (DRI).
- DRI directly reduced iron
- Grainy material in the context of the invention also means dusty or powdery material.
- the (two-sided) end surfaces are the surfaces that bound the respective segment in the circumferential direction. In the same way, one faces in the circumferential direction toward adjacent or following segments.
- the end faces are oriented axially parallel and they are spanned by the roll axis and roll radius and limited by the inner diameter and the outer diameter of the segment.
- a roll press usually has two counter-rotating press rolls. When briquetting or compacting the granular bulk material is compacted between the rollers.
- the roll shell which is composed of the segments, equipped with pressing tools that can form cavities for briquetting or compacting equipped.
- the invention also includes press rolls with segments which are provided with a different wear protection layer, for. B. for crushing
- the (tool) segments are usually subject to wear, they are detachable and thus interchangeably mounted on the roll core.
- the attachment is made with the help of bilateral mounting rings, which are also referred to as clamping rings or clamping rings and overlap the two-sided clamping shoulders of the segments.
- clamping rings or clamping rings On the stability of these segments high demands are made in practice, since they are subject to high loads.
- a roll press for hot compacting and hot briquetting of bulk materials with press rolls with segments is known e.g. B. from DE 25 36 670 A1.
- the segments are provided with lugs or shoulders on which fasteners engage, with which the segments are mounted on the roll core.
- hinged clamping clamps mounted on the roller core are provided as fastening means, which are pressed against the segment by means of a tension bolt.
- cooled shrink rings, radially arranged screws or the like are also proposed as fastening means.
- the attachment of the segments by means of fastening rings or clamping rings, which engage over the clamping shoulders of the segments, is also known from practice.
- the clamping shoulders usually have the same cross section over the entire peripheral region of the segment.
- the clamping bolts are arranged in the region of the end surfaces between two adjacent segments. For this purpose, suitable grooves are incorporated in the end surfaces, which receive the clamping bolts.
- the known embodiments have basically proven, but they are capable of further development in terms of their stability and durability. - This is where the invention starts.
- the invention has for its object to provide a press roller for a roller press of the type described above, which is characterized by a simple design and ease of installation by a high stability and durability of the segments, so that long service lives are guaranteed for the segments.
- the invention teaches in a generic press roll for a roll press of the type described above, that the segments have outer material reinforcements at their end faces and / or clamping shoulders in the end face edge regions assigned to the end faces, which reinforcements relate to the first clamping face radial direction and / or project relative to the end face in the axial direction outwardly and form in the circumferential direction therebetween pocket-like recesses with the first clamping surfaces, bear against which second clamping surfaces of the mounting ring. It is advantageous if the mounting ring distributed over the circumference has a plurality of, each associated with a segment clamping projections, which z. B. have the first clamping surfaces and extend only over part of the circumference of a segment and engage in the pocket-like recesses of the segments. Preferably, each has
- Segment a pocket-like indentation and the clamping ring has a plurality of clamping projections, wherein each segment is associated with a clamping projection.
- a segment has a plurality of pocket-like recesses and / or that a plurality of clamping projections are associated with a segment or that a pocket-like indentation are associated with a plurality of clamping projections.
- the invention is based on the recognition that the stability and thus the service life of the segments can be increased if the segments are specifically equipped with (outer) material reinforcements.
- This consideration is based on the fact that the mounting ring does not necessarily have to be braced over the entire circumference with the segments, so that a localized strain with the help of z. B. the clamping projections described sufficient.
- the clamping ring thus has an embodiment in the sense of a crown ring with crown-like projections, which preferably in the radial direction inwardly (ie towards the roll axis out) project from the clamping collar and also in the axis-parallel direction inwards (ie towards the segment out) Protruding clamping ring or its base ring.
- the material reinforcements described can now be implemented excellently, which do not impair the tension and increase the stability of the segments.
- the attachment of the mounting ring in the sense of a Verspann ung m ittels achsparal leler clamping bolt that is, the
- Mounting ring is clamped by means of axially parallel clamping bolt against the segments. It can also be provided that the first clamping surfaces and / or the second clamping surfaces for generating a radial clamping force in the train of the bracing of the axial spa nut are oriented radially relative to the roller axis.
- the clamping shoulders consequently have first clamping surfaces in a basically known manner, and the clamping ring likewise has second clamping surfaces, that is to say the clamping surfaces of the clamping ring press against the clamping surfaces of the clamping shoulders in the course of assembly, so that the segments are clamped on the roller core.
- the segments on the inner peripheral side and the roller core on the outer peripheral side suitable form-fitting elements (projections and recesses) have, so that z. B. a tongue and groove connection between segments and roll core is realized.
- the segments each have at least one axially parallel opening for the clamping bolt, which is arranged with respect to the extension in the circumferential direction between the two end faces of the segment, for. B. in the middle between the two end surfaces.
- the invention is based on the recognition that the stability and thus the service life of the segments can be further increased if the clamping bolts with which the two fastening rings are braced against each other with the interposition of the segments, not in the region of the end surfaces and consequently between two successive following segments are arranged, but if an opening for the clamping bolt is integrated into the segment, for. B. in the middle between the two end surfaces
- the above-described material reinforcements essential to the invention are preferably arranged on both sides of the opening (for the clamping bolt), so that the opening is preferably arranged between the material reinforcements in the region of the pocket-like indentation.
- the described clamping ring consequently preferably acts with its clamping projections only in a central region on the segments, wherein the clamping bolts are also positioned in this central region.
- the mounting ring (clamping ring) preferably has a clamping shoulder of the segments cross-clamping collar with the second clamping surfaces, which are braced against corresponding first clamping surfaces of the clamping shoulders of the segments.
- the clamping projections are arranged on the clamping collar and they are preferably in the radial direction inwardly from the clamping collar before and in the axis-parallel direction inwardly from the clamping ring or a base ring of the clamping ring.
- the fastening rings are preferably braced by means of clamping bolts.
- the embodiment according to the invention with the described material reinforcements and the pocket-like recesses of the segments arranged therebetween can alternatively also be realized with fastening rings, which are fixed in the form of a thermal cross-section. Consequently, the invention also includes such embodiments in which the fastening ring is shrunk onto the segments or their clamping shoulders.
- Another proposal of the invention relates to the design of the end surfaces of the segment. It has already been explained that it is possible to dispense with grooves or the like for guiding the clamping bolts in the region of the end surfaces.
- the end surfaces may be expedient, in order to reduce the arc length of the contact surface between the segment and the core, and thus reduce the risk of tilting as a result of the metric load.
- the one end surface of the segment z.
- the nose of a segment similar to a tongue and groove connection engages in a corresponding pocket of the adjacent or subsequent segment. In this way, an extended footprint of the segments is realized on the core.
- This configuration which is similar to a tongue and groove connection, essentially relates to the central region of the end face.
- the end surfaces are consequently planar in the side surfaces of the end faces associated with the end faces, that is to say flat on both sides of the nose / pocket over the entire radial thickness of the segment and in the radial direction above the nose / pockets over the entire axial thickness of the segment.
- End surfaces are avoided weak points and thus realized a particularly stable structure.
- the subject matter of the invention is also a roll press with two press rolls of the type described.
- the press rolls essential to the invention are therefore particularly preferably provided in combination within a roll press under protection.
- Such a roller press may preferably be designed for briquetting and / or compacting granular material, in particular for hot briquetting / hot compacting.
- FIG. 1 is a schematically simplified view of a press roller in a perspective view
- Fig. 2 is a perspective detail of the article of FIG.
- FIG. 3 shows the article of FIG. 2 in a side view
- FIG. 4 shows an inventive segment of the press roll according to FIG. 1 in a perspective view
- FIG. 5 shows a frontal side view of the article according to FIG. 4.
- Fig. 1 shows a press roll for a roll press, in particular for briquetting or compacting and more preferably for the hot briquetting or hot compacting of granular material.
- the roller In its basic structure, the roller consists of a roller core 1 and a roller shell secured to the roller core 1, which is composed of a plurality of segments 2 distributed over the circumference, these segments 2 having axially parallel end surfaces 3.
- the segments 2 may be profiled on the outer peripheral side; In the exemplary embodiment, they have mold cavities 4 for briquetting or compaction. These molds / mold cavities 4 are integrally / integrally incorporated into the respective segment 2.
- Each segment 2 has an end face circumferential clamping shoulder 5.
- the two mounting rings 6 are placed on both sides of the front side, so that they mature the clamping shoulders 5 of the segments 2 ü mountain.
- the two fastening rings 6 are clamped together by means of axially parallel clamping bolts 7 against each other and thus also against the segments 2 arranged between the fastening rings.
- the clamping shoulders 5 in this case have first clamping surfaces 8 and the clamping ring 6 has second clamping surfaces 9.
- the first clamping surface 8 and the second clamping surface 9 are oriented obliquely to the roller axis.
- the applied by means of the clamping bolt 7 axial or axially parallel clamping force is thus increasingly deflected into a radial clamping force, so that a perfect attachment of the segments 2 is ensured on the roll core 1.
- a positive connection between the segments 2 and the roll core 1 can be realized by z. B. on the inner circumference side (or the lower side) positive locking elements of the segments 2 engage in outer peripheral positive locking elements of the roller core 1 (and / or vice versa).
- the fastening ring 6 is designed as a profiled ring in cross-section. On the one hand, it has a circumferential base ring 6a and, on the other hand, a peripheral clamping collar 6b, so that it has a substantially L-shaped cross section. This circumferential clamping collar 6b engages with the second clamping surfaces 9, the clamping shoulders 5 of the segments 2, so that the second clamping surfaces 9 of the clamping ring 6 against the first clamping surfaces 8 of the clamping shoulders 5 are pressed.
- the segments 2 each have an axially parallel opening 10, through which the clamping bolt 7 are passed.
- These axially parallel apertures 10 are arranged relative to the extension in the circumferential direction in each case between the two end faces 3 of a segment 2.
- the opening 10 of a segment 2 is arranged centrally with respect to the extent in the circumferential direction between the two end surfaces 3 of this segment.
- the apertures 10 are configured as bores and they extend over the entire width of the segments 2, so that the clamping bolts completely pass through the segments. In this way, the two attachment rings 6 can be braced on both sides of the segments with the interposition of the segments 2.
- the clamping ring 6 is not formed in the embodiment over the entire circumference with a constant cross-section, but the clamping ring 6 has locally limited clamping projections 1 1 on.
- the clamping ring 6 thus has distributed over the circumference a plurality of each segment 2 associated clamping projections 1 1, said clamping projections 1 1 each have the second clamping surfaces 9. Consequently, the clamping projections 11 extend only over a part of the arc length of a segment 2, so that the force
- clamping ring 6 is not fully (or full surface), but only locally limited in the region of the clamping projections 1 1 takes place.
- the segments 2 have at their end faces 12 and their clamping shoulders 5 (or in the transition region between the end face 1 2 and clamping shoulder 5) outer material reinforcements 13. These material reinforcements 13 are relative to the first clamping surface 8 in the radial direction and relative to the end face 12 in the axial direction outwards, so that in the circumferential direction between two material reinforcements 1 3 a segment 2 each a pocket-like indentation 14 is provided.
- the first clamping surfaces 8 of the segments 2 are arranged, d. H. the clamping ring 6 engages with its locally limited clamping projections 1 1 in these pocket-like recesses 14 of the segments.
- the clamping ring 6 is thus formed like a crown.
- the second clamping surface 9 is realized on the underside, said second clamping surface 9 as well as the first clamping surface 8 of the segments 2 within the pockets 14 is arranged obliquely relative to the roll axis.
- the end surfaces 3 are flat or planar and consequently configured without steps.
- the end surfaces 3 in particular in the end faces associated end surface edge regions, namely on both sides of the lugs and pockets over the entire radial thickness of the segment and in the radial direction above the lugs / pockets over the entire axial thickness of the segment flat and consequently continuously be formed.
- notches and projections are avoided, which contributes to the increase in strength and durability of the individual segments.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Press Drives And Press Lines (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Gripping On Spindles (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI2015703615A MY183493A (en) | 2013-04-17 | 2014-03-17 | Press roller |
US14/767,529 US9744736B2 (en) | 2013-04-17 | 2014-03-17 | Press roll |
RU2015149104A RU2624273C2 (ru) | 2013-04-17 | 2014-03-17 | Отжимной вал |
MX2015014439A MX365100B (es) | 2013-04-17 | 2014-03-17 | Rodillo prensador. |
CN201480021644.7A CN105142892B (zh) | 2013-04-17 | 2014-03-17 | 压辊 |
KR1020157032674A KR101804653B1 (ko) | 2013-04-17 | 2014-03-17 | 프레스 롤러 |
SI201431567T SI2986442T1 (sl) | 2013-04-17 | 2014-03-17 | Stiskalni valj |
EP14710325.3A EP2986442B1 (de) | 2013-04-17 | 2014-03-17 | Presswalze |
JP2016508059A JP6293867B2 (ja) | 2013-04-17 | 2014-03-17 | プレスローラー |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013103880.8 | 2013-04-17 | ||
DE102013103880.8A DE102013103880B3 (de) | 2013-04-17 | 2013-04-17 | Presswalze |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014170076A1 true WO2014170076A1 (de) | 2014-10-23 |
Family
ID=50280415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/055330 WO2014170076A1 (de) | 2013-04-17 | 2014-03-17 | Presswalze |
Country Status (11)
Country | Link |
---|---|
US (1) | US9744736B2 (de) |
EP (1) | EP2986442B1 (de) |
JP (1) | JP6293867B2 (de) |
KR (1) | KR101804653B1 (de) |
CN (1) | CN105142892B (de) |
DE (1) | DE102013103880B3 (de) |
MX (1) | MX365100B (de) |
MY (1) | MY183493A (de) |
RU (1) | RU2624273C2 (de) |
SI (2) | SI24353A2 (de) |
WO (1) | WO2014170076A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104998716A (zh) * | 2015-05-29 | 2015-10-28 | 成都大宏立机器股份有限公司 | 高压辊磨机快速拆装式耐磨辊系结构及装配方法 |
CN104874436A (zh) * | 2015-05-29 | 2015-09-02 | 成都大宏立机器股份有限公司 | 高压辊磨机紧凑式快速拆装耐磨辊系结构及装配方法 |
CN108579887B (zh) * | 2018-06-11 | 2023-06-09 | 天津中德应用技术大学 | 非棱线分块辊面的辊压机压辊装配结构 |
CN111156260A (zh) * | 2020-01-21 | 2020-05-15 | 天津中德应用技术大学 | 高压辊磨机辊轴快速装配结构 |
CN113649120B (zh) * | 2021-08-18 | 2023-03-03 | 湖北秦鸿新材料股份有限公司 | 金属陶瓷耐磨辊套 |
JP7038250B1 (ja) | 2021-11-24 | 2022-03-17 | 日本ペイント・インダストリアルコ-ティングス株式会社 | 艶調整粉体塗料組成物、艶調整硬化塗膜を有する塗装物品及び艶調整硬化塗膜の形成方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US3969062A (en) * | 1975-07-22 | 1976-07-13 | K. R. Komarek, Inc. | Briquetting roll having removable mold segments |
DE2536670A1 (de) | 1975-08-18 | 1977-03-03 | Koeppern & Co Kg Maschf | Walzenpresse zum heisskompaktieren und heissbrikettieren von schuettguetern |
DE2536668A1 (de) * | 1975-08-18 | 1977-03-03 | Koeppern & Co Kg Maschf | Walzenpresse zum heisskompaktieren und heissbrikettieren von schuettguetern |
EP0418550A1 (de) * | 1989-08-23 | 1991-03-27 | Krupp Polysius Ag | Maschine und Segment zur Kompaktierung und/oder Zerkleinerung von Schüttgut |
DE4344206A1 (de) * | 1993-12-23 | 1995-06-29 | Kloeckner Humboldt Deutz Ag | Zweiwalzenmaschine für die Druckbehandlung von Schüttgütern |
DE19910265A1 (de) * | 1999-03-08 | 2000-09-14 | Zemag Gmbh | Verbindung zwischen einer Bandage und dem Grundkörper einer Walzenpresse |
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US661617A (en) * | 1900-05-11 | 1900-11-13 | Edward W Mccanna | Crushing-roll. |
US2294098A (en) * | 1941-05-10 | 1942-08-25 | Elmer C Stromer | Renewable shell for crusher rolls |
US2798676A (en) * | 1954-08-04 | 1957-07-09 | Poor & Co | Split shell for roll crusher |
US3077634A (en) * | 1959-01-28 | 1963-02-19 | Komarek Greaves And Company | Briquetting roll structure with mold inserts |
US3090105A (en) * | 1961-09-21 | 1963-05-21 | Paul L Gibbar | Crushing roll construction |
US3938930A (en) * | 1973-10-26 | 1976-02-17 | United States Steel Corporation | Expansion shim for hot briquette roll segments |
US3989441A (en) * | 1973-10-26 | 1976-11-02 | United States Steel Corporation | Expansion shim for hot briquette roll segments |
US3873259A (en) * | 1973-12-07 | 1975-03-25 | United States Steel Corp | Mold segment |
US3907486A (en) * | 1973-12-07 | 1975-09-23 | United States Steel Corp | Means for internally cooling briquetting machine rolls and segments |
US4034461A (en) * | 1975-08-06 | 1977-07-12 | United States Steel Corporation | Method of providing expansion shims for hot briquette segmented rolls |
US4097215A (en) * | 1977-05-12 | 1978-06-27 | K. R. Komarek, Inc. | Segmented briquetting roll |
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-
2013
- 2013-04-17 DE DE102013103880.8A patent/DE102013103880B3/de not_active Expired - Fee Related
- 2013-09-23 SI SI201300285A patent/SI24353A2/sl active IP Right Grant
-
2014
- 2014-03-17 US US14/767,529 patent/US9744736B2/en active Active
- 2014-03-17 SI SI201431567T patent/SI2986442T1/sl unknown
- 2014-03-17 RU RU2015149104A patent/RU2624273C2/ru active
- 2014-03-17 JP JP2016508059A patent/JP6293867B2/ja not_active Expired - Fee Related
- 2014-03-17 MX MX2015014439A patent/MX365100B/es active IP Right Grant
- 2014-03-17 WO PCT/EP2014/055330 patent/WO2014170076A1/de active Application Filing
- 2014-03-17 CN CN201480021644.7A patent/CN105142892B/zh not_active Expired - Fee Related
- 2014-03-17 EP EP14710325.3A patent/EP2986442B1/de active Active
- 2014-03-17 KR KR1020157032674A patent/KR101804653B1/ko active IP Right Grant
- 2014-03-17 MY MYPI2015703615A patent/MY183493A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969062A (en) * | 1975-07-22 | 1976-07-13 | K. R. Komarek, Inc. | Briquetting roll having removable mold segments |
DE2536670A1 (de) | 1975-08-18 | 1977-03-03 | Koeppern & Co Kg Maschf | Walzenpresse zum heisskompaktieren und heissbrikettieren von schuettguetern |
DE2536668A1 (de) * | 1975-08-18 | 1977-03-03 | Koeppern & Co Kg Maschf | Walzenpresse zum heisskompaktieren und heissbrikettieren von schuettguetern |
EP0418550A1 (de) * | 1989-08-23 | 1991-03-27 | Krupp Polysius Ag | Maschine und Segment zur Kompaktierung und/oder Zerkleinerung von Schüttgut |
DE4344206A1 (de) * | 1993-12-23 | 1995-06-29 | Kloeckner Humboldt Deutz Ag | Zweiwalzenmaschine für die Druckbehandlung von Schüttgütern |
DE19910265A1 (de) * | 1999-03-08 | 2000-09-14 | Zemag Gmbh | Verbindung zwischen einer Bandage und dem Grundkörper einer Walzenpresse |
Also Published As
Publication number | Publication date |
---|---|
CN105142892B (zh) | 2017-08-01 |
JP2016518255A (ja) | 2016-06-23 |
SI2986442T1 (sl) | 2020-07-31 |
DE102013103880B3 (de) | 2014-08-07 |
MY183493A (en) | 2021-02-22 |
EP2986442B1 (de) | 2020-02-19 |
MX2015014439A (es) | 2016-02-16 |
CN105142892A (zh) | 2015-12-09 |
KR101804653B1 (ko) | 2017-12-04 |
US9744736B2 (en) | 2017-08-29 |
RU2015149104A (ru) | 2017-05-22 |
SI24353A2 (sl) | 2014-10-30 |
KR20150143775A (ko) | 2015-12-23 |
RU2624273C2 (ru) | 2017-07-03 |
EP2986442A1 (de) | 2016-02-24 |
JP6293867B2 (ja) | 2018-03-14 |
MX365100B (es) | 2019-05-22 |
US20160075097A1 (en) | 2016-03-17 |
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