DE102012020190A1 - Embossing cylinder and embossing system with such embossing cylinder - Google Patents

Embossing cylinder and embossing system with such embossing cylinder

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Publication number
DE102012020190A1
DE102012020190A1 DE102012020190.7A DE102012020190A DE102012020190A1 DE 102012020190 A1 DE102012020190 A1 DE 102012020190A1 DE 102012020190 A DE102012020190 A DE 102012020190A DE 102012020190 A1 DE102012020190 A1 DE 102012020190A1
Authority
DE
Germany
Prior art keywords
embossing
cylinder
cylindrical body
hollow cylindrical
mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE102012020190.7A
Other languages
German (de)
Inventor
Alexander Jaenke
Mikaela Ortiz
Stefan Hardegger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gallus Ferd Ruesch AG
Original Assignee
Gallus Ferd Ruesch AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gallus Ferd Ruesch AG filed Critical Gallus Ferd Ruesch AG
Priority to DE102012020190.7A priority Critical patent/DE102012020190A1/en
Publication of DE102012020190A1 publication Critical patent/DE102012020190A1/en
Application status is Pending legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F19/00Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/062Presses of the rotary type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44BMACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0004Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
    • B44B5/0009Rotating embossing tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44BMACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/02Dies; Accessories
    • B44B5/026Dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44BMACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/02Dies; Accessories
    • B44B5/028Heated dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00Printing presses using a heated printing foil
    • B41P2219/30Printing dies
    • B41P2219/33Supports for printing dies

Abstract

The invention relates to an embossing cylinder (1) for receiving a sleeve-shaped embossing mold (6), wherein the embossing cylinder (1) has a hollow cylindrical body (7) having a first and a second separating edge (3.1, 3.2) oriented in the longitudinal direction of the body such that a lateral surface interrupted by a gap (3) is formed, wherein the embossing cylinder (1) has a clamping system (10) for expanding the hollow cylindrical body (7) with two rotatable rings (11) each mounted axially on the hollow cylindrical body (7) ), wherein the rings (11) by means of a in the gap (3) located carrier (12) are connected, and wherein on the carrier (12) and to the first separating edge (3.1) spring elements (13) are employed, whose spring force acts substantially in the circumferential direction of the hollow cylindrical body (7).
The embossing cylinder (1) according to the invention has the advantage that sleeve-shaped embossing molds (6) can be very easily and quickly mounted and that when using different materials for the sleeve-shaped embossing mold on the one hand and the hollow cylindrical body on the other hand can compensate for a difference in length, which due to different coefficients of thermal expansion takes place. The invention also relates to an embossing system for processing web-shaped or arcuate elements, comprising an embossing cylinder (1), a clamping axis (2), a sleeve-shaped embossing mold (6) and a counter-cylinder (20).

Description

  • The invention relates to an embossing cylinder for receiving a sleeve-shaped embossing mold, wherein the embossing cylinder has a hollow cylindrical body. The invention also relates to an embossing system for processing web-shaped or arc-shaped elements, comprising an embossing cylinder, a clamping axis, a sleeve-shaped embossing mold and a counter-cylinder.
  • State of the art
  • For the production of high-quality folding boxes and labels, it is known to further process the products after printing in a hot foil stamping device and to provide them with a stamping contour. Silver or golden foils are often used to create a high-quality appearance of the products.
  • Such a hot foil stamping device is for example from the EP 0 982 127 A1 known, which has a cylinder and a counter-cylinder, between which an embossing gap is formed. Through this embossing gap, a material web to be printed and an embossing film web are moved through and processed by a heatable embossing die, which is fastened to the cylinder, and thus generates the embossing on the printing material web.
  • Often the minting die is mounted on a cylinder made of brass. Since the cost of such tools and the cost of replacing the tools are very high, embossing sleeves are sometimes used according to the prior art, as for example in the EP 1 369 262 A2 are described, which are cheaper to manufacture and easier to use. Like in the DE 197 80 654 B4 described, such Prägesleeves can be easily clamped together by using materials with different coefficients of thermal expansion for the Prägesleeves and the clamping cylinder on which the Prägesleeves are raised.
  • The known from the prior art systems for mounting of embossing dies or Prägesleeves have the disadvantage that either during operation, an adjustment of the clamping force is not possible, or that they have a gap, which may show later in the embossing pattern. Also, the clamping is often time consuming, especially when a large number of mechanical components must be operated.
  • task
  • Object of the present invention is therefore to provide a stamping cylinder and an embossing system, which at least reduce the disadvantages of the prior art and allow a simple, but secure clamping a stamping mold.
  • This object is achieved by an embossing cylinder according to the invention according to claim 1 and by an embossing system according to the invention for processing web-shaped or arc-shaped elements according to claim 5.
  • The embossing cylinder according to the invention for receiving a sleeve-shaped embossing mold, wherein the embossing cylinder has a hollow cylindrical body, has a first and a second in the longitudinal direction of the body-oriented separating edge, such that an interrupted by a gap lateral surface is formed. The embossing cylinder further has a clamping system for expanding the hollow cylindrical body and thus for clamping the sleeve-shaped embossing mold on the hollow cylindrical body with two rotatable, each axially end mounted on the hollow cylindrical body rings, wherein the rings are connected by means located in the gap carrier. To the carrier and to the first separating edge of the hollow cylindrical body spring elements are employed, act whose spring force substantially in the circumferential direction of the hollow cylindrical body. The spring elements can be designed in particular as compression springs. The embossing cylinder according to the invention has the advantage that sleeve-shaped embossing molds can be very easily and quickly mounted and that when using different materials for the sleeve-shaped embossing mold on the one hand and the hollow cylindrical body on the other hand can compensate for a difference in length, which is due to different thermal expansion coefficients.
  • In a particularly advantageous and therefore preferred embodiment of the embossing cylinder according to the invention, the hollow cylindrical body in the region of its end faces each have a circumferential shoulder for receiving in each case a ring of the clamping system. For a simple, but defined storage of the clamping system is achieved relative to the hollow cylindrical body.
  • In an advantageous embodiment of the embossing cylinder according to the invention, the first separating edge of the hollow cylindrical body and one side of the carrier of the clamping system to each other complementary, comb-like outer contours, such that the hollow cylindrical body and the carrier mesh with each other in the sense of a toothing. As a result, on the one hand a length compensation is made possible and on the other hand ensured that for the sleeve-shaped embossing mold the largest possible bearing surface is provided.
  • In an advantageous development, an adjusting device for increasing or decreasing the distance between the second separating edge of the hollow cylindrical body and the carrier of the clamping system is attached to the clamping system of the embossing cylinder, wherein the adjusting device has an actuating element which acts on the hollow cylindrical body to these against to shift the spring force of the spring elements of the clamping system. The control elements can be z. B. be carried out eccentrically with a latching function, so that a distance adjustment can be made in predetermined increments. Increasing the distance between the second separating edge of the hollow cylindrical body and the carrier of the clamping system thereby causes a reduction in the distance between the first separating edge of the hollow cylindrical body and the carrier of the clamping system, and vice versa.
  • The invention also relates to an embossing system for processing sheet-like or arcuate elements, in particular for the production of labels or folding cartons, comprising an embossing cylinder as described above, a clamping axis, a sleeve-shaped embossing mold and a counter-cylinder, wherein the embossing cylinder is mounted on the clamping axis and wherein the Embossing mold is clamped on the embossing cylinder and cooperates with the counter-cylinder. In an advantageous embodiment, the embossing cylinder is made of brass and / or the embossing mold of magnesium and / or the clamping axis of aluminum. Due to the different coefficients of thermal expansion of the materials, the combination of embossing cylinders made of brass and clamping axis made of aluminum allows a secure fit of the embossing cylinder on the clamping axis when they are heated. An advantage of the use of magnesium for the embossing molds is the low weight and, consequently, easy handling as well as the lower costs compared to brass.
  • In an advantageous development of the embossing system, the embossing mold has at one end a bending edge with an angle of about 75 ° and at its other end a bending edge at an angle of about 75 °, so that the ends are dovetailed. This allows easy insertion of the embossing mold in the clamping system of the embossing cylinder and a stable seat of the embossing mold. In a particularly advantageous embodiment, the embossing mold in the edge region, d. H. at its two adjacent ends, a reduced thickness. As a result, the gap in the embossing mold between its two ends and thus also the influence on the embossed image can be kept low.
  • In an advantageous development of the embossing system according to the invention, the embossing cylinder has in the region of a separating edge pins and the embossing form holes in at least one edge region, which engage in each other, and thus advantageously allow easy positioning of the hollow cylindrical body and the embossing mold.
  • The described invention and the described advantageous developments of the invention are also in any combination with each other advantageous developments of the invention.
  • With regard to further advantages and constructive and functional advantageous embodiments of the invention, reference is made to the dependent claims and the description of an embodiment with reference to the accompanying drawings.
  • embodiment
  • The invention will be explained in more detail with reference to a preferred embodiment. It show in a schematic representation
  • 1 : An embossing system according to the invention with mounted sleeve-shaped embossing mold
  • 2 : An embossing cylinder according to the invention with mounted sleeve-shaped embossing mold
  • 3 : the embossing cylinder off 2 without sleeve-shaped embossing mold
  • Corresponding elements and components are provided in the figures with the same reference numerals.
  • 1 shows a hot foil stamping cylinder 1 , which is arranged with a opposite to a printing material, not shown counter-cylinder 20 forms an embossing system. The printing material web is between the two cylinders 1 . 20 moves through and undergoes an embossing by the embossing mold 6 , The hot foil stamping cylinder 1 owns a stamping cylinder 5 which the embossing mold 6 carries and on a clamping axle 2 with a rotation axis 4 is stretched. For clamping the stamping mold 6 on the embossing cylinder 5 is a clamping system 10 provided, which will be described in more detail with reference to the following figures.
  • As it turned out 2 results, the embossing shape 6 on a hollow cylinder 7 by means of the clamping system 10 clamped. This has the hollow cylinder 7 each at its two ends a paragraph 8th on which a bearing ring 11 rests. The two bearing rings 11 become by a carrier not visible here 12 connected with each other. At the two ends of the stamping mold 6 , ie at the junction of the two ends, becomes a gap 3 formed, which is designed as recognizable very thin. As a result, there is no impairment of the embossed image during embossing. To the tensions of the stamping mold 6 on the hollow cylinder 7 Being able to adjust is an adjustment device 15 intended.
  • 3 shows the clamping system 10 of the hot foil stamping cylinder 1 in detail and before mounting a stamping mold 6 , The hollow cylinder 7 has at its two front ends in each case a paragraph 8th , where on each paragraph 8th a bearing ring 11 is stored. Also owns the hollow cylinder 7 in its peripheral surface a gap 3 , which from a carrier 12 is filled. This carrier 12 connects the two bearing rings 11 together. The first separating edge 3.1 of the hollow cylinder 7 has a comb-like design. The carrier 12 has at its adjacent edge a complementary executed, also comb-like design. This allows the hollow cylinder 7 and the carrier 12 engage each other in the sense of a toothing. Between the first separating edge 3.1 of the hollow cylinder 7 and the adjacent edge of the carrier 12 are spring elements 13 arranged, which in this case a distortion of the hollow cylinder 7 against the carrier 12 cause. Between the second separating edge 3.2 of the hollow cylindrical body 7 and the carrier 12 remains a gap in which is located on a stamping mold 6 located tabs, z. B. executed as bending edges, can be introduced, so that a sleeve-shaped embossing mold 6 flat on the lateral surface of the hollow cylinder 7 or the carrier 12 can rest. Once a respective embossing mold 6 on the hollow cylinder 7 is attached, it should be braced. This is the actuator 16 the adjustment 15 operated, and the locking of the hollow cylindrical body 7 relative to the bearing rings 11 solved. This will change the spring force of the springs 13 fully effective and the hollow cylindrical body 7 becomes relative to the bearing rings 11 displaced by an adjustment V and thus the gap between the second separating edge 3.2 of the hollow cylinder 7 and the edge of the carrier 12 further reduced and the tension on the stamping mold 6 increased. Even with already mounted stamping mold 6 , such as in 2 represented by the actuator 16 the adjustment 15 a fine adjustment of the voltages are made. To the stamping mold 6 to be able to disassemble again, the actuator must 16 the adjustment 15 be pressed again to the clamping of the stamping mold 6 while reducing the gap between the second cutting edge 3.2 of the hollow cylinder 7 and the edge of the carrier 12 to enlarge, so that the stamping mold 6 from the hollow cylinder 7 can be removed.
  • The stamping mold 6 may have at its two tab-shaped ends bending edges at an angle of approximately 75 ° at one end and also approximately 75 ° at its other end. To the stamping mold 6 good to record, the hollow cylinder 7 at its second separating edge 3.2 and the corresponding edge of the carrier 12 At the same angles beveled edges, allowing a secure attachment of the tabs of the stamping mold 6 is guaranteed. The positioning of the stamping mold 6 relative to the hollow cylinder 7 can be additionally supported by the provision of holes in the tabs of the mold 6 and pins arranged complementary thereto in the region of the gap between the second separating edge 3.2 of the hollow cylinder 7 and the carrier 12 with the pins either in the carrier 12 or in the hollow cylinder 7 can be admitted.
  • LIST OF REFERENCE NUMBERS
  • 1
    Hot foil embossing cylinders
    2
    release axle
    3
    gap
    3.1
    first separating edge
    3.2
    second separating edge
    4
    axis of rotation
    5
    Embossing cylinder core
    6
    stamping die
    7
    hollow cylinder
    8th
    paragraph
    10
    clamping system
    11
    bearing ring
    12
    carrier
    13
    feather
    14
    comb-like contour
    15
    adjustment
    16
    actuator
    20
    Position counter cylinder
    V
    adjustment
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Cited patent literature
    • EP 0982127 A1 [0003]
    • EP 1369262 A2 [0004]
    • DE 19780654 B4 [0004]

Claims (9)

  1. Embossing cylinder ( 1 ) for receiving a sleeve-shaped embossing mold ( 6 ) wherein the embossing cylinder ( 1 ) a hollow cylindrical body ( 7 ) has a first and a second longitudinally oriented body of the separating edge ( 3.1 . 3.2 ), such that one through a gap ( 3 ) is formed interrupted lateral surface, wherein the embossing cylinder ( 1 ) a clamping system ( 10 ) for expanding the hollow cylindrical body ( 7 ) has two rotatable, each axially end on the hollow cylindrical body ( 7 ) mounted rings ( 11 ), whereby the rings ( 11 ) by means of a in the gap ( 3 ) carrier ( 12 ) and to the carrier ( 12 ) and to the first separating edge ( 3.1 ) Spring elements ( 13 ) are employed whose spring force substantially in the circumferential direction of the hollow cylindrical body ( 7 ) acts.
  2. Embossing cylinder according to claim 1, characterized in that the hollow cylindrical body ( 7 ) in the region of its end faces in each case a circumferential shoulder ( 8th ) for receiving in each case a ring ( 11 ) of the clamping system ( 10 ).
  3. Embossing cylinder according to one of the preceding claims, characterized in that the first separating edge ( 3.1 ) of the hollow cylindrical body ( 7 ) and one side of the carrier ( 12 ) of the clamping system ( 12 ) complementary, comb-like outer contours ( 14 ), such that the hollow cylindrical body ( 7 ) and the carrier ( 12 ) mesh.
  4. Embossing cylinder according to one of the preceding claims, characterized in that on the clamping system ( 10 ) an adjustment device ( 14 ) for increasing the distance between the second separating edge ( 3.2 ) of the hollow cylindrical body ( 7 ) and the carrier ( 12 ) of the clamping system ( 10 ), the adjusting device ( 15 ) an actuator ( 16 ), which on the hollow cylindrical body ( 7 ) acts to this against the spring force of the spring elements ( 13 ) of the clamping system ( 10 ) to move.
  5. Embossing system for processing web-shaped or arc-shaped elements, comprising an embossing cylinder ( 1 ) with a hollow cylindrical body ( 7 ) according to one of the preceding claims, a clamping axis ( 2 ), a sleeve-shaped embossing mold ( 6 ) and a counter-cylinder ( 20 ), wherein the embossing cylinder ( 1 ) on the clamping axis ( 2 ), and wherein the embossing mold ( 6 ) on the hollow cylindrical body ( 7 ) is clamped and with the counter-cylinder ( 20 ) cooperates.
  6. Embossing system according to claim 5, characterized in that the embossing cylinder has a core ( 5 ) made of brass and / or the embossing mold ( 6 ) of magnesium and / or the clamping axis ( 2 ) is made of aluminum.
  7. Embossing system according to claim 5 or 6, characterized in that the embossing mold ( 6 ) has at its one end a bending edge at an angle of about 75 ° and at its other end a bending edge of about 75 °.
  8. Embossing system according to one of claims 5 to 7, characterized in that the embossing mold ( 6 ) has a reduced thickness in the edge region.
  9. Embossing system according to one of claims 5 to 8, characterized in that the hollow cylindrical body ( 7 ) in the region of a separating edge pins and the embossing mold ( 6 ) has holes in at least one edge region, which engage in each other.
DE102012020190.7A 2012-10-15 2012-10-15 Embossing cylinder and embossing system with such embossing cylinder Pending DE102012020190A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102012020190.7A DE102012020190A1 (en) 2012-10-15 2012-10-15 Embossing cylinder and embossing system with such embossing cylinder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012020190.7A DE102012020190A1 (en) 2012-10-15 2012-10-15 Embossing cylinder and embossing system with such embossing cylinder
CN201310397648.2A CN103722867B (en) 2012-10-15 2013-09-04 Embossing cylinder and embossing system having such an embossing cylinder
EP13185476.2A EP2719547A3 (en) 2012-10-15 2013-09-23 Embossing cylinder and embossing system having such an embossing cylinder

Publications (1)

Publication Number Publication Date
DE102012020190A1 true DE102012020190A1 (en) 2014-04-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102012020190.7A Pending DE102012020190A1 (en) 2012-10-15 2012-10-15 Embossing cylinder and embossing system with such embossing cylinder

Country Status (3)

Country Link
EP (1) EP2719547A3 (en)
CN (1) CN103722867B (en)
DE (1) DE102012020190A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014115086A2 (en) * 2013-01-22 2014-07-31 Unilin, Bvba Method and device for manufacturing products having a surface provided with embossments, and products obtained thereby

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982127A1 (en) 1998-08-21 2000-03-01 Armin Steuer Method and means for hot foil printing
EP1369262A2 (en) 2002-06-07 2003-12-10 Giesecke & Devrient GmbH Stamping cylinder for manufacturing stamping foils
DE19780654B4 (en) 1996-07-09 2004-08-26 Giesecke & Devrient Gmbh Embossed form making process - involves making embossing stamp, preparing cylindrical intermediate form, using stamp on regions of it, metallising cylinder surface and removing metal layer
DE102007062791A1 (en) * 2006-12-27 2008-07-03 Katsura Roller Mfg. Co. Ltd. Cylindrical sleeve for printing roller of printing machine, is attached on outer periphery of corpus side of base printing roller provided on printing machine with inner peripheral layer

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Publication number Priority date Publication date Assignee Title
US1967266A (en) * 1932-03-12 1934-07-24 Multigraph Co Blanket-attaching device for rotary printing machines
US3156184A (en) * 1962-02-20 1964-11-10 Harris Intertype Corp Plate clamp
DE8625120U1 (en) * 1986-09-17 1987-09-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
ES2099078T3 (en) * 1989-09-29 1997-05-16 Landis & Gyr Tech Innovat Device and method for printing delicate textures.
US20010000859A1 (en) * 1999-09-14 2001-05-10 Lomax Raymond T. Web rotary hot stamping soft-die plate system
CN201217295Y (en) * 2008-05-30 2009-04-08 宁波欣达印刷机器有限公司 Printing plate adjusting apparatus of printing machine
EP2275259A1 (en) * 2009-07-14 2011-01-19 Pantec GS Systems AG Press or embossing unit and work cylinder therefor
CN201941254U (en) * 2011-03-02 2011-08-24 新乡市新机创新机械有限公司 Backup plate ink roller capable of eliminating virtual images

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19780654B4 (en) 1996-07-09 2004-08-26 Giesecke & Devrient Gmbh Embossed form making process - involves making embossing stamp, preparing cylindrical intermediate form, using stamp on regions of it, metallising cylinder surface and removing metal layer
EP0982127A1 (en) 1998-08-21 2000-03-01 Armin Steuer Method and means for hot foil printing
EP1369262A2 (en) 2002-06-07 2003-12-10 Giesecke & Devrient GmbH Stamping cylinder for manufacturing stamping foils
DE102007062791A1 (en) * 2006-12-27 2008-07-03 Katsura Roller Mfg. Co. Ltd. Cylindrical sleeve for printing roller of printing machine, is attached on outer periphery of corpus side of base printing roller provided on printing machine with inner peripheral layer

Also Published As

Publication number Publication date
EP2719547A2 (en) 2014-04-16
CN103722867A (en) 2014-04-16
EP2719547A3 (en) 2017-09-27
CN103722867B (en) 2017-03-22

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