Patents by Inventor Robert Michael McPhee
Robert Michael McPhee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11666923Abstract: A split pulp chamber insert assembly formed for installation in a pulp chamber on a discharge end wall in a grinding mill rotatable about an axis thereof. The split pulp chamber insert assembly include two or more insert elements, configured to cooperate to form a lining covering one or more portions of pulp chamber surfaces that partially define the pulp chamber in which the insert elements are positioned. The split pulp chamber assembly also includes a number of fasteners, for securing the insert elements in predetermined positions in the pulp chamber relative to each other to form the lining that covers the one or more portions of the pulp chamber surfaces.Type: GrantFiled: November 26, 2020Date of Patent: June 6, 2023Assignee: Polycorp Ltd.Inventors: Pramod Kumar, Robert Michael McPhee
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Patent number: 11123741Abstract: A discharge end wall system including a discharge wall assembly in which a number of pulp chambers are defined, and one or more plug elements at least partially occupying one or more of the pulp chambers.Type: GrantFiled: June 26, 2019Date of Patent: September 21, 2021Assignee: Polycorp Ltd.Inventors: Robert Michael McPhee, Pramod Kumar
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Publication number: 20210162423Abstract: A split pulp chamber insert assembly formed for installation in a pulp chamber on a discharge end wall in a grinding mill rotatable about an axis thereof. The split pulp chamber insert assembly include two or more insert elements, configured to cooperate to form a lining covering one or more portions of pulp chamber surfaces that partially define the pulp chamber in which the insert elements are positioned. The split pulp chamber assembly also includes a number of fasteners, for securing the insert elements in predetermined positions in the pulp chamber relative to each other to form the lining that covers the one or more portions of the pulp chamber surfaces.Type: ApplicationFiled: November 26, 2020Publication date: June 3, 2021Applicant: Polycorp Ltd.Inventors: Pramod Kumar, Robert Michael McPhee
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Publication number: 20200023373Abstract: A discharge end wall system mounted on a discharge end wall in a grinding mill. The discharge wall system includes a discharge end assembly that has a number of pulp lifter segments radially arranged on the discharge end wall relative to the axis of rotation, and a number of curved walls connected with the pulp lifter segments and arranged in pairs of adjacent ones thereof. Each trailing one of the curved walls has a curved leading edge surface that is concave in relation to the direction of rotation and, with a leading edge surface of a selected leading one of the pulp lifter segments, forms a continuous leading wall that is partially straight and partially curved. The leading wall is configured to accelerate pulp through the pulp chamber partially thereby defined respectively to a central hole, when the pulp chamber partially defined thereby is in the discharge condition thereof.Type: ApplicationFiled: July 15, 2019Publication date: January 23, 2020Applicant: Polycorp Ltd.Inventors: Robert Michael McPhee, Pramod Kumar
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Publication number: 20190388900Abstract: A discharge end wall system including a discharge wall assembly in which a number of pulp chambers are defined, and one or more plug elements at least partially occupying one or more of the pulp chambers.Type: ApplicationFiled: June 26, 2019Publication date: December 26, 2019Applicant: Polycorp Ltd.Inventors: Robert Michael McPhee, Pramod Kumar
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Publication number: 20190366350Abstract: A sleeve insert for covering one or more selected surfaces of one or more pulp lifters of a discharge end assembly including a discharge end wall of a mill shell partially defined by an outer perimeter wall thereof, the pulp lifters being mounted on the discharge end wall. The sleeve insert is formed to cover the selected surfaces to mitigate wear to which the selected surfaces are subjected when the sleeve insert is located in a predetermined position relative to the selected surfaces.Type: ApplicationFiled: August 14, 2019Publication date: December 5, 2019Applicant: Polycorp Ltd.Inventors: Robert Mepham, Pramod Kumar, Robert Michael McPhee
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Patent number: 10456884Abstract: A liner system for installation in a rotatable mill shell having an inner side and an opposed outer side, the liner system including one or more lifter bars. The lifter bar includes a body, a channel plate secured to the body and defining a channel axis, including one or more lateral extensions extending transversely from the central portion in relation to the channel axis, and one or more insert elements positioned between the lateral extension and the inner side of the mill shell, for resisting outward movement of the lateral extension toward the inner side. The liner system also includes one or more attachment assemblies, each including a bolt, for securing the lifter bar to the mill shell. The insert elements are configured to maintain the bolt in a predetermined position in which an axis of the bolt is aligned with the channel axis.Type: GrantFiled: May 19, 2017Date of Patent: October 29, 2019Assignee: Polycorp Ltd.Inventors: Robert Michael McPhee, Pramod Kumar, Stanley Emerson Lennox
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Patent number: 10427164Abstract: An insert for covering one or more selected surfaces of a discharge end assembly including a discharge end wall of a mill shell partially defined by an outer perimeter wall thereof and a number of pulp lifters mounted on the discharge end wall. The insert is formed to cover the selected surfaces to mitigate wear to which the selected surfaces are subjected when the insert is located in a predetermined position relative to the selected surfaces.Type: GrantFiled: September 23, 2015Date of Patent: October 1, 2019Assignee: Polycorp Ltd.Inventors: Robert Mepham, Pramod Kumar, Robert Michael McPhee
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Publication number: 20170334031Abstract: A liner system for installation in a rotatable mill shell having an inner side and an opposed outer side, the liner system including one or more lifter bars. The lifter bar includes a body, a channel plate secured to the body and defining a channel axis, including one or more lateral extensions extending transversely from the central portion in relation to the channel axis, and one or more insert elements positioned between the lateral extension and the inner side of the mill shell, for resisting outward movement of the lateral extension toward the inner side. The liner system also includes one or more attachment assemblies, each including a bolt, for securing the lifter bar to the mill shell. The insert elements are configured to maintain the bolt in a predetermined position in which an axis of the bolt is aligned with the channel axis.Type: ApplicationFiled: May 19, 2017Publication date: November 23, 2017Applicant: Polycorp Ltd.Inventors: Robert Michael McPhee, Pramod Kumar, Stanley Emerson Lennox
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Publication number: 20170014831Abstract: An insert for covering one or more selected surfaces of a discharge end assembly including a discharge end wall of a mill shell partially defined by an outer perimeter wall thereof and a number of pulp lifters mounted on the discharge end wall. The insert is formed to cover the selected surfaces to mitigate wear to which the selected surfaces are subjected when the insert is located in a predetermined position relative to the selected surfaces.Type: ApplicationFiled: September 23, 2015Publication date: January 19, 2017Applicant: Polycorp Ltd.Inventors: Robert Mepham, Pramod Kumar, Robert Michael McPhee