Patents Assigned to United Wire Limited
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Patent number: 10364623Abstract: This disclosure is generally drawn to systems, devices, apparatus, and/or methods related to shaker/filtration systems for drilling environments. Specifically, the disclosed systems, devices, apparatus, and/or methods relate to extended handles on screens used in shaker/filtration systems for drilling environments. In some examples, extended screen handle(s) may include a fastening portion and a handling portion. The fastening portion may be adapted to be coupled to a screen along a side of the screen, and the handling portion may be coupled to the fastening portion. The handling portion may extend above the screen and extend about 25-100% of the length of the side of the screen.Type: GrantFiled: December 9, 2013Date of Patent: July 30, 2019Assignee: United Wire LimitedInventor: Andrew Ralph
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Patent number: 9687878Abstract: A vibratory separator screen assembly, the screen assembly including a frame having a top surface and a bottom surface having a tapered recess configured to receive a locating element disposed on the vibratory separator.Type: GrantFiled: November 19, 2009Date of Patent: June 27, 2017Assignee: United Wire LimitedInventors: Claire Galloway, Andrew Ralph
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Patent number: 9440261Abstract: A separating screen has a rectangular body (1) one side of which has a seal for sealing against an abutting side of an adjacent screen or shaker basket. The seal is provided by an elongate sealing strip (9) of resilient material held in place on the side of the body by a retaining strip (5) which can be integrally molded with the body (1) or may be a separately formed component.Type: GrantFiled: July 8, 2009Date of Patent: September 13, 2016Assignee: United Wire LimitedInventor: Andrew Ralph
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Patent number: 9156061Abstract: A shaker screen including a composite frame, a removable grid attached to the composite frame, and at least one filtering element attached to the removable grid is disclosed. A method including forming a composite frame, forming a removable grid, attaching at least one filtering element to the removable grid, and attaching the removable grid to the composite frame is disclosed. Additionally, a method for rebuilding a shaker screen, the method including removing a first screen assembly from a composite frame, the screen assembly having a removable grid and at least one filtering element, and attaching a second screen assembly to the composite frame is disclosed.Type: GrantFiled: March 11, 2013Date of Patent: October 13, 2015Assignee: United Wire LimitedInventor: Graham Robertson
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Patent number: 9149839Abstract: A shaker screen including a sealing element and a composite frame, wherein the sealing element is attached to a basal perimeter of the composite is disclosed. Furthermore, a method of forming a shaker screen including forming a sealing element, forming a composite frame, and attaching the sealing element to the composite frame, wherein the sealing element is disposed along at least one surface of a basal perimeter of the composite frame is disclosed. Also, a shaker screen attachment including a sealing element, a composite frame, and a wedge is disclosed. The shaker screen attachment further includes wherein the sealing element is attached to a basal perimeter of the composite frame, and wherein the wedge is disposed between the composite frame and a shaker basket such that the sealing element compresses against the shaker basket.Type: GrantFiled: September 27, 2007Date of Patent: October 6, 2015Assignees: M-I L.L.C., United Wire LimitedInventors: Brian S. Carr, Graham Robertson, Eric Cady
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Patent number: 9073268Abstract: There is provided a plug for repairing a sifting or filtering screen, the plug comprising a body (1) of a first material supporting an area of a second material which is more resilient than the first material, in use the area of a second material serving as a seal (2) to engage and seal against the screen in order to plug a cell aligned with a damaged area of the screen. A second plug has a body (101) formed with holes (108) to receive securing members such as screws, the holes being positioned to enable the securing members (109) to pass into the material of the sifting or filtering screen in order releasably to secure the plug in a cell aligned with a damaged area of the sifting screen.Type: GrantFiled: July 1, 2008Date of Patent: July 7, 2015Assignee: United Wire LimitedInventors: Graham Robertson, Claire Galloway, Andrew Ralph
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Publication number: 20140217002Abstract: A wedging apparatus for a vibrating separator including an outer polygonal surface to secure a screen to the vibrating separator, wherein the outer polygonal surface extends substantially along the length of a screening surface of the vibrating separator is disclosed. A screen for a vibratory separator including a frame having a top surface and a bottom surface, and at least one filter element connected to the frame, wherein the bottom surface comprises a wedge engagement profile is also disclosed. A vibrating separator apparatus including a first side wall, a second side wall opposite the first side wall, a bottom wall connecting the first side wall and the second side wall, a first screen having a top surface and a bottom surface, at least one wedging apparatus disposed along the length of the bottom surface of the first screen is also disclosed.Type: ApplicationFiled: July 6, 2012Publication date: August 7, 2014Applicants: UNITED WIRE LIMITED, M-I L.L.C.Inventors: Benjamin Lanning Holton, Brian S. Carr, Graham Robertson, John Fedders
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Patent number: 8789707Abstract: There is provided a screen frame adapted for use in a shaker to separate solids from liquid/solid mixture and to which woven wire mesh is to be attached, comprising a plurality of intersecting elongate members (12) defining a plurality of openings (10), or cells, wherein at least one protrusion (26) in the form of an elongate rib extends partway across each opening (10).Type: GrantFiled: December 14, 2009Date of Patent: July 29, 2014Assignee: United Wire LimitedInventor: Graham Robertson
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Patent number: 8763814Abstract: The invention relates to a screen frame adapted for use in a shaker to separate solids from a liquid/solid mixture and to which woven wire mesh is to be attached, comprising an outer perimeter and a plurality of ribs extending between opposing regions of the perimeter, the ribs defining an upper horizontal face to which a screen is to be attached, wherein at least one rib extends downwardly from the upper face at an angle off set to vertical, and to a shaker comprising at least one such screen frame.Type: GrantFiled: July 8, 2009Date of Patent: July 1, 2014Assignee: United Wire LimitedInventors: Graham Robertson, Claire McLean, Andrew Ralph
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Publication number: 20140083913Abstract: A shaker screen for attachment to a bed of a shaker includes a screen frame having at least one mesh screen attached to the top side of the screen frame, wherein the screen frame is preferentially bowed prior to attaching the mesh screen to the screen frame.Type: ApplicationFiled: December 2, 2013Publication date: March 27, 2014Applicants: UNITED WIRE LIMITED, M-I L.L.C.Inventors: Graham Robertson, Brian S. Carr, Robert M. Barrett
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Patent number: 8597559Abstract: A shaker screen for attachment to a bed of a shaker includes a screen frame having at least one mesh screen attached to the top side of the screen frame, wherein the screen frame is preferentially bowed prior to attaching the mesh screen to the screen frame.Type: GrantFiled: February 4, 2009Date of Patent: December 3, 2013Assignees: M-I L.L.C., United Wire LimitedInventors: Graham Robertson, Brian S. Carr, Robert M. Barrett
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Patent number: 8596464Abstract: A frame over which woven wire mesh is to be stretched and secured to form a sieving screen and which can be used to screen solids from drilling mud recovered from down-hole when drilling for oil or gas. The frame is a rectilinear moulded plastics frame having edge regions by which it is secured in place in a shaker. Within the frame is a plurality of rectilinear windows formed by an orthogonal array of intersecting ribs also of moulded plastics material. Some of the ribs are internally reinforced by rigid metal members which extend orthogonally between hollow box-section members which define a sub-frame for reinforcing the four edge regions of the frame. The orthogonal members are secured at their ends to the sub-frame. The ends of the sub-frame members are joined at the four corners of the sub-frame. In this way not are only the edge regions of the frame reinforced internally but so also are some of the orthogonally intersecting ribs, so as thereby to produce a rigid frame for the screen.Type: GrantFiled: May 17, 2010Date of Patent: December 3, 2013Assignee: United Wire LimitedInventor: Graham Alexander Robertson
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Patent number: 8517179Abstract: A vibratory separator including a screen frame and a screen attachment. The screen attachment including at least one vertically disposed latch on the screen frame, at least one vertically disposed catch on the screen frame, and at least one bearing surface proximate the at least one vertically disposed catch. Additionally, a method of securing adjacent screens including inserting a vertically disposed latch of a first screen into a catch of a second screen, wherein the inserting includes contacting the latch of the first screen with a bearing surface of the second screen adjacent the catch of the second screen. The method further includes forming a planar alignment of the first screen to the second screen.Type: GrantFiled: September 30, 2008Date of Patent: August 27, 2013Assignees: M-I L.L.C., United Wire LimitedInventors: Graham Robertson, Brian S. Carr, Eric Cady, Claire Galloway
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Publication number: 20130199012Abstract: A shaker screen including a composite frame, a removable grid attached to the composite frame, and at least one filtering element attached to the removable grid is disclosed. A method including forming a composite frame, forming a removable grid, attaching at least one filtering element to the removable grid, and attaching the removable grid to the composite frame is disclosed. Additionally, a method for rebuilding a shaker screen, the method including removing a first screen assembly from a composite frame, the screen assembly having a removable grid and at least one filtering element, and attaching a second screen assembly to the composite frame is disclosed.Type: ApplicationFiled: March 11, 2013Publication date: August 8, 2013Applicant: United Wire LimitedInventor: United Wire Limited
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Patent number: 8496116Abstract: A method of forming a shaker screen includes forming a frame, and attaching a first sealing element to at least one side of an outer perimeter of the frame, wherein the attaching comprises aligning a first mating surface of the frame to a second mating surface of the first sealing element, and wherein the first mating surface of the frame includes an extension, and the second mating surface of the first sealing element includes a groove configured to align with the extension. A system of sealing shaker screens includes a first screen and a second screen disposed adjacent the first screen, wherein a first sealing element of a first frame and a portion of the second screen interact to provide a seal between the first screen and the second screen.Type: GrantFiled: February 21, 2011Date of Patent: July 30, 2013Assignees: M-I L.L.C., United Wire LimitedInventors: Brian S. Carr, Graham Robertson, Eric Cady
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Patent number: 8393474Abstract: A shaker screen including a composite frame, a removable grid attached to the composite frame, and at least one filtering element attached to the removable grid is disclosed. A method including forming a composite frame, forming a removable grid, attaching at least one filtering element to the removable grid, and attaching the removable grid to the composite frame is disclosed. Additionally, a method for rebuilding a shaker screen, the method including removing a first screen assembly from a composite frame, the screen assembly having a removable grid and at least one filtering element, and attaching a second screen assembly to the composite frame is disclosed.Type: GrantFiled: September 21, 2007Date of Patent: March 12, 2013Assignee: United Wire LimitedInventor: Graham Robertson
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Patent number: 8246771Abstract: A method of manufacturing two screens in a jig by laying a length of woven wire cloth across two rectangular frames laid side by side in the jig with longer edges abutting, and orientating the cloth so that the warp wires extend continuously across the two screens. The cloth is tensioned and bonded to the frames after which it is severed along the join and surplus cloth is trimmed away from the edges of the frame. If the cloth has a square mesh and the warp wires are of greater cross-section than the weft wires, the warp wires will extend across the width of the frame, and if the cloth has a rectangular mesh, the greater number of warp wires per unit length also extends across the width of the frame. In each case warp wires will resist the stresses across the width of the central region of each opening.Type: GrantFiled: December 21, 2011Date of Patent: August 21, 2012Assignee: United Wire LimitedInventor: Graham Robertson
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Publication number: 20120152452Abstract: A method of manufacturing two screens in a jig by laying a length of woven wire cloth across two rectangular frames laid side by side in the jig with longer edges abutting, and orientating the cloth so that the warp wires extend continuously across the two screens. The cloth is tensioned and bonded to the frames after which it is severed along the join and surplus cloth is trimmed away from the edges of the frame. If the cloth has a square mesh and the warp wires are of greater cross-section than the weft wires, the warp wires will extend across the width of the frame, and if the cloth has a rectangular mesh, the greater number of warp wires per unit length also extends across the width of the frame. In each case warp wires will resist the stresses across the width of the central region of each opening.Type: ApplicationFiled: December 21, 2011Publication date: June 21, 2012Applicant: UNITED WIRE LIMITEDInventor: Graham Robertson
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Patent number: 8104623Abstract: A screen is described for use in a vibrating machine for separating solids from liquid material, comprising woven wire cloth of orthogonal warp and weft wires, tensioned and bonded to a support structure defining at least one rectangular opening across which the cloth extends. The orientation of the cloth is chosen so that the warp wires extend across the width (i.e. shorter dimension) of the opening(s). If the cloth has a square mesh and the warp wires are of greater cross section than the weft wires, the warp wires will extend across the width of the frame, and if the cloth has a rectangular mesh, the greater number of warp wires per unit length will also extend across the width of the frame, so that in each case warp wires will resist in use the stresses across the width of the central region of the or each opening.Type: GrantFiled: April 7, 2004Date of Patent: January 31, 2012Assignee: United Wire LimitedInventor: Graham Robertson
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Patent number: RE45746Abstract: A method of forming a shaker screen includes forming a frame, and attaching a first sealing element to at least one side of an outer perimeter of the frame, wherein the attaching comprises aligning a first mating surface of the frame to a second mating surface of the first sealing element, and wherein the first mating surface of the frame includes an extension, and the second mating surface of the first sealing element includes a groove configured to align with the extension. A system of sealing shaker screens includes a first screen and a second screen disposed adjacent the first screen, wherein a first sealing element of a first frame and a portion of the second screen interact to provide a seal between the first screen and the second screen.Type: GrantFiled: December 6, 2013Date of Patent: October 13, 2015Assignees: M-I L.L.C., United Wire LimitedInventors: Brian S. Carr, Graham Alexander Robertson, Eric Cady