• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    roller crusher. the present invention relates to a roller crusher (1) having a base frame (11) and a roller frame (6) movably connected to said base frame (11). two generally parallel revolving rollers (7, 8) separated from each other by a gap are arranged on said roller frame (6). the roller crusher (1) further comprises a feed arrangement (2) mounted on the base frame (11) for feeding material to the rollers (7, 8) and at least one balancing cylinder (17, 18) is provided that are connected and arranged to manipulate the roller frame (6) relative to the base frame (11) so that the position of the rollers (7, 8) relative to the feeding arrangement (2) can be adjusted. the front and rear jaw plates (28) are provided on the roller frame (6) partially covering the front and rear end surfaces of one of the rollers (7, 8) and at least partially covering an opening between the feed arrangement (2 ) and the two rollers (7, 8), the nip plates (28) being fixedly mounted to the roller frame (6).
    公开号:BR112014026179B1
    申请号:R112014026179-2
    申请日:2013-03-27
    公开日:2021-07-27
    发明作者:Keith Harbold；Vadim Reznitchenko
    申请人:Metso Minerals Industries, Inc.；
    IPC主号:
    专利说明:

    prior technique
    [001] The present disclosure generally relates to a grinding assembly including a pair of grinding cylinders for crushing materials by pressure. More specifically, the present disclosure relates to a grinding assembly including a grinding cylinder and a flanged cylinder each of which includes a wear assembly that enhances the durability of the cylinder at the side edge of each of the grinding cylinders.
    [002] At present, cylinder mills grind material by extracting the material into a cylinder wedge formed by two counter-rotating grinding cylinders that are separated from each other and subjected to a pressurized force. The material being milled passes between the wedge formed between the pair of milling rollers. The surfaces of each of the grinding rollers are therefore subjected to a high level of wear.
    [003] It is known to produce the outer surface of each of the grinding cylinders more wear resistant by including a series of prefabricated carbide bodies, such as pins, which extend from the cylindrical outer surface of the grinding cylinder. Studs typically protrude from the outer surface of the cylinder body such that during the crushing action, a bed of material forms along the outer surface of the cylinder body between the pins to provide additional wear resistance for the body. cylinder.
    [004] In addition to the outer surface of the grinding cylinder, the end faces and the transitional edge between the outer surface and the end faces of the cylinder bodies are also subject to a high level of wear during continuous pressure crushing of material. It is known to provide different types of reinforced edges on the cylinder body to reduce the amount of wear seen by the grinding cylinder. As an example, U.S. Patent Nos. 7,497,396 and 7,510,135 disclose different types of edge protectors that increase the durability of the edge of a grinding cylinder. Although these two references disclose different types of edge protection, limitations exist in each of the systems disclosed in them. summary
    [005] The present disclosure relates to a milling assembly for crushing material. The grinding assembly includes a grinding cylinder and a flanged cylinder which are positioned adjacent to each other to define a feed wedge that receives material for grinding. The grinding cylinder and flanged cylinder are forced into contact with each other.
    [006] Both the grinding cylinder and the flanged cylinder include a cylinder body that has a cylindrical outer surface that extends axially between a pair of opposite ends. The cylinder body's cylindrical outer surface is configured to receive a series of pins that enhance the wear and durability of the cylindrical outer surface.
    [007] The cylinder body includes a side groove that is formed at each end of the cylinder body. The side groove includes a support shoulder that extends axially inwardly from a side face of the cylinder body. The support boss is recessed from the outer surface of the cylinder body.
    [008] An edge ring is received within each side groove and forms part of a wear assembly. The rim ring includes a series of receiving cavities that are spaced along the outer circumference of the rim ring. In one configuration of the disclosure, the rim ring is formed from a plurality of individual rim ring sections that are joined in an end-to-end or interlocking configuration. Alternatively, the rim ring can be formed from a single, unitary component. The rim ring includes a series of connector openings each of which receives a connector for attaching the rim ring to the cylinder body. Preferably, the connectors are removable and replaceable for connecting the rim ring to the cylinder body.
    [009] The plurality of wear members received by the edge ring are each configured to create a wear resistant edge defined as the transition between the side face and the cylindrical outer surface of the cylinder body. Each wear member includes a connecting portion that is received within one of the plurality of spaced-apart receiving cavities formed in the rim ring. Preferably, the wear members are securely received within the receiving cavities and are positioned in an end-to-end or interlock configuration to define each edge of the cylinder body.
    [0010] The grinding assembly additionally includes a flanged cylinder which includes the same components as the grinding cylinder. However, the flanged cylinder additionally includes a flange ring that is positioned axially adjacent to the end ring. The flange ring extends axially outward from the end ring and includes an outer surface that is spaced radially from the outer surface of the cylinder body. In one contemplated configuration, the flange ring is formed from a plurality of flange ring sections that are positioned adjacent to each other in an end-to-end or interlocking configuration. The flange ring sections are each secured to the cylinder body by a common series of connectors that also extend through the rim ring such that the common connectors secure both the rim ring and flange ring to the cylinder body.
    [0011] When the grinding cylinder and the flanged cylinder are positioned adjacent to each other, the flange ring formed on the flanged cylinder is positioned axially outward from the rim ring of the grinding cylinder. The interaction between the grinding cylinder and the flanged cylinder creates the feed wedge while the flange helps to maintain a high pressure crush chamber on the side of the cylinder including the flange. In a contemplated configuration, one or more shims are positioned between the rim ring and the flange ring during construction of the flanged cylinder. The shims provide the required spacing between the flange ring and the rim ring such that common components can be used to form both the grinding cylinder and the flanged cylinder. Alternatively, each of the flange sections can include a bead to create the required spacing.
    [0012] Several other features, objects and advantages of the invention will become apparent from the following description taken in conjunction with the drawings. Brief description of drawings
    [0013] The drawings illustrate the presently contemplated best mode of carrying out the disclosure. In the drawings:
    [0014] Figure 1 is an isometric view of a grinding assembly including a grinding cylinder and a flanged cylinder constructed in accordance with the present disclosure;
    [0015] Figure 2 is an isometric view of the flanged cylinder;
    [0016] Figure 3 is an exploded isometric view of the flanged cylinder;
    [0017] Figure 4 is a sectional view taken along line 4-4 of Figure 2;
    [0018] Figure 5 is an enlarged view taken along line 5-5 of Figure 4;
    [0019] Figure 6 is an isometric view of the grinding cylinder shown in Figure 1;
    [0020] Figure 7 is a partial, exploded, enlarged view of the grinding cylinder;
    [0021] Figure 8 is a sectional view taken along line 8-8 of Figure 6; and
    [0022] Figure 9 is an enlarged sectional view taken along line 9-9 of Figure 8. Detailed Description
    [0023] Figure 1 illustrates a grinding assembly 10 for crushing material by pressure. The grinding assembly 10 shown in Figure 1 includes a pair of grinding cylinders, referred to as the grinding cylinder 12 and the flanged cylinder 14 which are positioned adjacent to each other to define a feed wedge 16. During operation, the grinding cylinder The grinding cylinder 12 and the flanged cylinder 14 rotate against each other (see arrows) such that material is drawn into the feed wedge 16. The grinding cylinder 12 and the flanged cylinder 14 are each respectively swivelable on a support shaft 18 A mechanical source of pressure (not shown) forces the grinding cylinder 12 and the flanged cylinder 14 against each other such that the source of pressure crushes the material past the feed wedge 16.
    [0024] Both the grinding cylinder 12 and the flanged cylinder 14 include a generally cylindrical cylinder body 20 which is defined by a cylindrical outer surface 22. The cylinder body extends along and is swivelable about a passing longitudinal axis through the center of the support shaft 18. In accordance with the present disclosure, both the grinding cylinder 12 and the flanged cylinder 14 include many common components and are similar in many respects. In the following description, common components are referred to by common reference numerals to simplify ease of understanding. The flanged cylinder 14 is shown generally in Figs. 2-5 while grinding cylinder 12 is illustrated in figs. 69. In the description that follows for each of the cylinders, reference will be made to the drawing figures of the other type of cylinder. Since grinding cylinder 12 and flanged cylinder 14 share many components, the use of drawings showing one cylinder to describe the other cylinder is possible.
    [0025] As illustrated in Figure 1, the flanged cylinder 14 includes a pair of flange rings 24 which are positioned axially outward from the cylindrical roller body 22 of the grinding cylinder 12 when the grinding cylinder 12 and the flanged cylinder 14 are positioned to create the feed wedge 16. Although a flanged cylinder 14 is shown in the configuration of the grinding assembly 10 of Figure 1, it is to be understood that the flanged cylinder 14 may be replaced by another grinding cylinder 12 in configurations in which the 24 flange rings are not required. As described, flanged cylinder 14 and grinding cylinder 12 include many common components and the construction details for both grinding cylinder 12 and flanged cylinder 14 will be described in much greater detail below.
    [0026] Figs. 2-5 illustrate the construction of the flanged cylinder 14. As indicated above, the flanged cylinder 14 includes a pair of flange rings 24 positioned at opposite axial ends of the flanged cylinder 14. As illustrated in Figure 2, the flange ring 24 defines a circular outer edge surface 26 that is spaced radially from outer surface 22 of cylinder body 20. In the configuration shown in Figure 2, flange ring 24 is formed from six separate flange ring sections 28 that are positioned adjacent between si in an end-to-end configuration to define the flange ring 24. Alternatively, the flange ring sections 28 can interlock. Although six separate flange ring sections 28 are shown in the configuration of Figure 2, it is to be understood that the flange ring 24 can be composed of smaller or greater numbers of flange ring sections 28 while operating within the scope of the present disclosure. Additionally, the flange ring 24 can be created as a single, unitary structure. The use of multiple flange ring sections 28 aids in both the construction of the flanged cylinder 14 and the fabrication of the flange ring sections 28.
    [0027] Referring now to Figs. 3 and 4, flanged cylinder 14 includes cylindrical roller body 20 defined by inner surface 30 and outer surface 22. Preferably, cylinder body 20 is formed of a durable, metallic material. The inner surface 30 receives and contacts the support shaft which imposes rotation on the flanged cylinder 14.
    [0028] The cylinder body 20 extends axially from a first end 32 to a second end 34. The first and second ends 32, 34 of the flanged cylinder 14 are defined by opposing side faces 36. Since the cylinder body 20 is annular, both side faces 36 are also annular.
    [0029] As best illustrated in figs. 4 and 5, the cylinder body 20 includes a series of receiving holes 38 which extend radially into the cylinder body 30 from the outer surface 22. Each of the receiving holes 38 receives a pin 40, as may be more appropriate. seen in Figure 7. Each of the pins 40 is formed of material that is more durable than the cylinder body. Pins 40 can be replaced when used to extend grinding cylinder and flanged cylinder life. As illustrated in Figure 4, the upper end 42 of the pin 40 extends beyond the outer surface 22 such that material contacting the flanged cylinder 14 is first contacted by the upper end 42 of the pin 40. The crushed material forms a bed of material between the pins 40 to also intensify the durability of the outer surface 22.
    [0030] Referring now to Figure 5, each end of the flanged cylinder 14 includes a side groove 44 formed at the junction between the cylindrical outer surface 22 and the side face 36. The side groove 44 defines a generally extending support shoulder 46 along the longitudinal axis of the flanged cylinder 14. The side groove 44 is further defined by an inner wall 48 which is spaced axially inwardly from the side face 36. The inner wall 48 extends generally radially with respect to the axis. length of the flanged cylinder 14.
    [0031] As illustrated in Figure 5, the side slot 44 is formed to receive and support a wear assembly 50. The wear assembly 50 is received and positioned within the side slot 44 to increase the durability of the side edges of the flanged cylinder 14 The wear assembly 50 includes an annular rim ring 52 that extends around the entire edge of the cylinder body 20 between the outer surface 22 and the side face 36. The rim ring 52 is shown in the configuration of Figure 3 as formed from a series of rim ring sections 54 which are positioned adjacent to each other to extend around the entire side edge of the flanged cylinder 14. Although the configuration illustrated in the drawing figures includes three rim ring sections separate 54, it is to be understood that the number of edge ring sections 54 may be increased or decreased while operating within the scope of the present disclosure. The use of multiple rim ring sections 54 facilitates both the fabrication of the rim ring sections 54 and the installation of the rim ring sections 54 onto the cylinder body of the flanged cylinder 14.
    [0032] Referring now to Figs. 3 and 5, each of the edge ring sections 54 includes an inner surface 56 and an outer surface 58. The inner surface 56 rests on and is supported by the support shoulder 46 of the side groove 44.
    [0033] As can be understood from figs. 5 and 7, the edge ring 52 includes a series of spaced apart receiving cavities 60 that extend into the edge ring body 52 from the outer surface 58. As illustrated in Figure 7, the outer surface 58 of the edge ring 52 includes a series of flat seats 62 into which the receiving cavities 60 open. The flat seats 62 provide a flat mounting surface for one of a plurality of wear members 64. Although flat seats 62 are illustrated, the seats 62 could be curved and configured to match a corresponding curved surface on the underside of the portion. body 66 of each wear member 64.
    [0034] As illustrated in Figure 5, each of the wear members 64 includes a body portion 66 and a pendant connecting portion 68. The pendant connecting portion 68 extends into the receiving cavity 60 and is retained therein. The length of the connecting portion 68 should be less than the depth of the receiving cavity 60 such that the wear members 64 rest on the outer surface 58 and resist the crushing force between the rollers. In one configuration of the disclosure, an adhesive is positioned between connecting portion 68 and receiving cavity 60 to secure wear member 64 to edge ring 52. In the configuration shown in Figure 5, wear member 64 includes an outer surface. generally flat 70 which is generally flush with the outer surface 22 of the cylinder body 20. As seen in the view of Figure 9, the wear member 64 also includes an axial end face 72. In the configuration shown in Figure 9, the face axial end 72 is spaced axially inwardly from side face 36 of cylinder body 20. In the illustrated configuration, the spacing between end face 72 and side face 36 is approximately 2 mm, although other dimensions are contemplated as being within the scope of this disclosure.
    [0035] Referring back to Figure 5, when edge ring 52 is received within side groove 44, outer face surface 74 of edge ring 52 and end face 72 of wear member 64 are both spaced apart. axially inwardly from the side face 36 of the cylinder body 20. Thus, before the flange ring 24 is mounted on the edge ring 52, a first shim 76 is positioned adjacent and in contact with the outer face surface 74 of the edge ring 52. As illustrated in Figure 3, the first shim 76 includes a series of scalloped sections 78 along the radially inward edge 80. When the first shim 76 is positioned adjacent the outer face surface 74 of each ring section of edge 54, the cutaway sections 78 are generally aligned with one of a series of connector openings 82. The connector openings 82 are generally in alignment with a corresponding number of holes 84 formed in the inner wall 48 of the cylinder body defining a portion of the side slot 44.
    [0036] Referring back to Figure 5, a second shim 86 is positioned between the flange ring 24 and both the end face 72 of the wear member 64 and the first shim 76. The second shim 86 creates a mounting surface generally uniform which receives an inner surface 88 of the flange ring 24. The use of the pair of removable shims 86 and 76 allows the cylinder body 20 to be configured as the grinding cylinder 12 (figure 1) or the flanged cylinder 14 (figure 1 ).
    [0037] Although the configuration shown in the figures includes a pair of shims positioned between the flange ring 24 and the cylinder body 20, it is contemplated that the flange ring 24 may be constructed with a crimp on the inner surface 88 to provide the required structural support for the flange ring 24 on the cylinder body 20.
    [0038] As seen in Figure 3, each of the flange ring sections 28 defining the flange ring 24 includes a series of connector openings 90 formed near the inner edge 92. As previously described, each of the sections of flange ring 28 extends from the inner edge 92 to an outer edge 26. The connector openings 90 are spaced in accordance with the spacing of the connector openings 82 formed in the edge ring sections 54 and the holes 84 formed in the cylinder body. In this way, a common series of connectors 94 can be used to secure both the flange ring 24 and the edge ring 52 in the side groove 44 formed in the cylinder body.
    [0039] Referring back to Figure 5, in the illustrated configuration, each of the connectors 94 includes a head portion 96 and a threaded shaft 98. The threaded shaft 98 is received and retained by a corresponding series of internal threads at one of the holes 84 extending into cylinder body 20 from inner wall 48 of side slot 44. Although threaded screws are shown in the embodiment of the invention, it is to be understood that other types of connectors may be used while operating within the scope of this disclosure. In the configuration shown in Figure 5, a washer 100 is positioned between the head portion 96 and the outer surface 102 of the flange ring 24.
    [0040] Referring back to Figure 2, the head portion 96 of each of the series of connectors protrudes beyond the outer surface 102 of the flange ring 24 as illustrated. Each of the connectors 94 can be removed individually to remove the flange ring 24 or to install a flange ring on the cylinder body. In another contemplated configuration, the connector openings 90 formed in each flange ring section 28 can be replaced with a slit that is open to the inner edge 92. The use of an open slit rather than a circular connector opening only would require the connectors 94 to be loosened and not removed entirely prior to removal of the flange ring section 28. This configuration would be particularly desirable in limited space applications as the connectors 94 would not need to be removed completely to replace the flange ring section. flange 28.
    [0041] In a similar manner, the connector openings 82 formed in the rim ring sections 54 can be replaced by open slits, which would allow the rim ring sections to be removed without completely removing the connectors 94. Additionally, the sections of rim ring 54 and flange ring sections 28 can be configured such that each other connector supports both sections while the alternate connectors only support the rim ring section. In such a configuration, the flange ring sections 28 can be removed and the rim ring sections 54 will remain securely supported on the cylinder body 20.
    [0042] The flanged cylinder 14 shown in the drawing figures includes a flange ring 24 at each end of the cylinder body 20. However, it is contemplated that a flanged cylinder 14 may be configured to include only one flange ring 24 at one end. of cylinder body 20. Additionally, it is contemplated that two flanged cylinders 14 may be used where each flanged cylinder 14 would include a flange ring at opposite ends. In such a configuration, each of the cylinders in Figure 1 would include a flange ring 24.
    [0043] The flanged cylinder 14 described in figs. 2-5 includes many of the same components as used to form the grinding cylinder 12 shown in Figs. 6-9. Specifically, the grinding cylinder 12 shown in Figure 6 can be reconfigured to the flanged cylinder 14 by adding the first shim 76 and the second shim 86 between the flange ring 24, as illustrated in Figure 3. If the flange ring 24 and the first and second shims 76, 86 are removed, an alternative connector can then be used to create the grinding cylinder 12 shown in figure 6.
    [0044] As illustrated in Figure 6, the connectors 104 used to secure the edge ring sections 54 to the cylinder body each include a head portion 106 that is flush with or slightly flush from the outer face surface 74 of the rim ring sections 54. Each of the connectors 104 is received within the connector openings 82 of the rim ring section 54 in a manner similar to receiving the connectors shown in the flanged cylinder design discussed above.
    [0045] As illustrated in figs. 6 and 7, the series of wear members 64 are positioned in an end-to-end configuration to define both of the pair of spaced side edges of grinding cylinder 12. Alternatively, the wear members may interlock with each other to form the edges. sides of grinding cylinder 12. The outer surfaces 70 of each of the wear members 64 provide enhanced wear durability to the outer surface of the grinding cylinder near each edge. Likewise, the end faces 72 of each of the wear members 64 are positioned adjacent to each other to enhance the durability of the grinding cylinder at the transition between the outer surface 22 and the side face 36. As previously described, each of the members The wearer 64 includes a connecting section 68 that is received and retained within one of the receiving cavities 60 formed in the edge ring 52. Although the wear members 64 are each shown being received and retained in one of the receiving cavities 60, the wear members 64 may be configured to include multiple pendant sections 64 that would be received in adjacent receiving cavities 60 spaced along edge ring 52.
    [0046] The edge ring 52, in turn, is received and retained within the side groove 44 formed at the transition between the outer surface 22 and the side face 36 of the cylinder body 20. The side groove 44 is defined by the support shoulder 46 and inner wall 48. Inner wall 48 includes the series of holes 84 each of which receives threaded shaft 108 of connector 104. Since connector 104 is generally recessed from outer face surface 74, the portion head 106 includes a recessed engagement area 110 that receives the correct type of tool to rotate connector 104.
    [0047] Figs. 8 and 9 further illustrate the position of edge ring 52 within side groove 44 of grinding cylinder 12. The series of connectors 104 are used to secure edge ring 52 to cylinder body 20 in a manner similar to that described in connection with to the flanged cylinder. Like the flanged cylinder, the grinding cylinder 12 includes a series of pins 40 each received in one of a series of receiving holes 38 extending radially inward from the outer surface 22. Each of the edge rings positioned at ends opposing grinding cylinder 12 includes and receives wear members 64.
    [0048] Referring now to Figure 9, in the illustrated configuration, the edge ring 52 includes a wear liner 112. The wear liner 112 can be applied to the edge ring 52 after formation of the edge ring 42 or during the initial formation process. Wear liner 112 provides enhanced durability to outer face surface 74. Since outer face surface 74 is subjected to additional wear, the use of wear liner 112 will enhance the life and durability of edge ring 52. It is contemplated that wear liner 112 may be a separate component that is positioned on edge ring 52 during the assembly process. However, it is contemplated that wear liner 112 will preferably be permanently bonded to edge ring 52. If edge ring 52 is constructed of a hard, durable material, wear liner 112 may be eliminated.
    权利要求:
    Claims (15)
    [0001]
    1. Grinding cylinder, comprising: - a cylinder body (20) having a cylindrical outer surface (22) extending axially between a pair of opposite ends (32, 34); and - a side groove (44) formed at each end of the cylinder body (20), the side groove (44) including a support shoulder (46) embedded from the outer surface (22) of the cylinder body (20); - an edge ring (52) including a plurality of spaced-apart receiving cavities (60); and - a plurality of wear members (64) each received and retained in one of the receiving cavities (60) of the rim ring (53), the wear members (64) being positioned along the rim ring (53 ) to define an edge of the grinding cylinder (12; 14), the grinding cylinder (12; 14) being characterized in that an edge ring (52) is received within each side groove (44).
    [0002]
    2. Grinding cylinder according to claim 1, characterized in that the rim ring (52) is connected to the cylinder body (20) by a series of removable connectors (94; 104) that extend axially into the cylinder body (20).
    [0003]
    3. Grinding cylinder according to claim 1 or 2, characterized in that the rim ring (52) is formed from a plurality of rim ring sections (54) positioned adjacent to each other along the side groove (44).
    [0004]
    4. Grinding cylinder according to any one of claims 1 to 3, characterized in that the plurality of receiving cavities (60) are open radially in relation to the cylinder body (20).
    [0005]
    5. Grinding cylinder according to claim 4, characterized in that each of the wear members (64) includes a body portion (66) and a pendant connecting portion (68), wherein the connecting portion (68) is secured within one of the receiving cavities (60).
    [0006]
    6. Grinding cylinder according to any one of claims 1 to characterized in that it further comprises a flange ring (24) connected to the end ring (52), the flange ring (24) having an edge outer surface (26) which extends radially beyond the outer surface (22) of the cylinder body (20).
    [0007]
    7. Grinding cylinder according to claim 6, characterized in that the flange ring (24) is formed from a plurality of flange ring sections (28) positioned adjacent to each other.
    [0008]
    8. Grinding cylinder according to claim 6 or 7, characterized in that the flange ring (24) and the rim ring (52) are connected to the cylinder body (20) by a common series of connectors ( 94).
    [0009]
    9. Grinding cylinder according to claim 8, characterized in that each of the connectors (94) goes through both the flange ring (24) and the edge ring (52).
    [0010]
    10. Grinding cylinder according to claim 9, characterized in that it further comprises an annular shim (76, 86) positioned between the edge ring (52) and the flange ring (24) to provide spacing between the ring of flange (24) and the rim ring (52).
    [0011]
    11. Grinding cylinder according to any one of claims 1 to 5, characterized in that the rim ring (52) includes a hardened outer surface (112).
    [0012]
    12. Milling assembly for crushing material, characterized in that it comprises: - a milling cylinder (12), as defined in any one of claims 1 to 5 or claim 11, and a flanged cylinder (14), the grinding cylinder (12) and flanged cylinder (14) being positioned adjacent to each other to define a feed wedge (16) between them, the flanged cylinder (14) comprising: - a cylinder body (20) having a cylindrical outer surface (22) extending axially between a pair of opposing ends (32, 34); - a side groove (44) formed at each end (32, 34) of the cylinder body (20), the side groove (44) including a support shoulder (46) embedded from the outer surface (22) of the cylinder body (20); - an edge ring (52) received within each side groove (44), the edge ring (52) including a plurality of spaced-apart receiving cavities (60); and - a plurality of wear members (64) each received and retained in one of the receiving cavities (60) of the rim ring (52), the wear members (64) being positioned along the rim ring ( 52) to define an edge of the grinding cylinder (14); - wherein the flanged cylinder (14) further comprises a flange ring (24) connected to the end ring (52), the flange ring (24) having an outer edge (26) which extends radially beyond the outer surface ( 22) of the cylinder body (20), - the flange ring (24) being located axially outwardly from the rim ring (52) of the flanged cylinder (14).
    [0013]
    13. Grinding assembly according to claim 12, characterized in that the edge ring (52) is formed from a plurality of edge ring sections (54) positioned adjacent to each other along the side groove ( 44).
    [0014]
    14. Grinding assembly according to claim 12 or 13, characterized in that the flange ring (24) is formed from a plurality of flange ring sections (28) positioned adjacent to each other.
    [0015]
    15. Milling assembly according to any one of claims 12 to 14, characterized in that the flange ring (24) and the rim ring (52) are connected to the cylinder body (20) by a series of common connectors (94).
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-01-14| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-11-10| B07A| Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]|
    2021-03-02| B07A| Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]|
    2021-06-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-07-27| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/03/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/451,875|2012-04-20|
    US13/451,875|US8833687B2|2012-04-20|2012-04-20|Crushing roll with edge protection|
    PCT/US2013/034070|WO2013158346A1|2012-04-20|2013-03-27|Crushiing roll with edge protection|
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