Patents Assigned to Diamond Tool Supply, Inc.
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Publication number: 20190210192Abstract: A polishing or grinding pad with a multilayer reinforcement is provided. In one aspect, a floor polishing or grinding pad assembly employs a flexible pad, at least two reinforcement layers or rings with different characteristics, and multiple floor-contacting tools such as abrasive disks. In another aspect, a workpiece polishing or grinding pad assembly includes a flexible and rotatable pad, a polymeric reinforcement layer coupled to the pad and a metallic reinforcement layer to which are coupled abrasive tools. In yet another aspect, a floor-facing reinforcement is more flexible than a pad-facing reinforcement which is more rigid.Type: ApplicationFiled: January 11, 2018Publication date: July 11, 2019Applicant: Diamond Tool Supply, Inc.Inventor: Tchavdar V. Tchakarov
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Patent number: 10092159Abstract: A floor polishing or grinding pad assembly is provided. In one aspects a polishing or grinding pad assembly employs a flexible pad, a reinforcement layer or ring, and multiple floor-contacting tools such as disks. In yet another aspect, at least one of the floor-contacting tools has a workpiece-contacting bottom plane having angle offset from that of a base surface of the tool, a flexible pad and/or a flexible reinforcement layer. A further aspect employs a smaller set of disks alternating between and/or offset from a larger set of the disks.Type: GrantFiled: August 30, 2017Date of Patent: October 9, 2018Assignee: Diamond Tool Supply, Inc.Inventor: Tchavdar V. Tchakarov
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Patent number: 10046438Abstract: A floor polishing or grinding pad assembly is provided. In one aspect, a polishing or grinding pad assembly employs a flexible pad, a reinforcement layer or ring, and multiple floor-contacting tools such as abrasive disks. In another aspect, the reinforcement layer includes a wavy or undulating internal edge shape. A further aspect includes an inner ring edge having radially extending slots between pairs of radially enlarged tool mounting peaks. Still another aspect includes an insulator or spacer between a head of an abrasive tool and a reinforcement ring.Type: GrantFiled: August 30, 2017Date of Patent: August 14, 2018Assignee: Diamond Tool Supply, Inc.Inventor: Tchavdar V. Tchakarov
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Publication number: 20180206690Abstract: A floor polishing or grinding pad assembly is provided. In one aspect, a polishing or grinding pad assembly employs a fibrous pad, a reinforcement layer or ring, and multiple floor-contacting disks. In another aspect, the reinforcement layer includes a central hole through which the fibrous pad is accessible and the fibrous pad at the hole has a linear dimension (x) greater than a linear dimension (y) of one side of the adjacent reinforcement layer. In yet another aspect, at least one of the floor-contacting disks has an angle (?) offset from that of a base surface of the disk, the fibrous pad and/or the reinforcement layer. A further aspect employs a smaller set of disks alternating between and/or offset from a larger set of the disks. In another aspect, the reinforcement layer includes a wavy or undulating internal edge shape.Type: ApplicationFiled: March 21, 2018Publication date: July 26, 2018Applicant: Diamond Tool Supply, Inc.Inventor: TCHAVDAR V. TCHAKAROV
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Publication number: 20180200857Abstract: A workpiece abrading pad apparatus is provided. In one aspect, a grinding pad apparatus employs a flexible pad, a flexible metallic reinforcement layer or ring, and multiple floor-grinding disks. In another aspect, a metallic reinforcement ring includes a central hole through which a fiber or foam pad is accessible. Another aspect employs a spring steel reinforcement ring to which multiple diamond-based abrasive disks or dots are attached. In yet another aspect, at least one floor-contacting disk attached to a reinforcement ring includes sintered powdered metal with diamond particles mixed therein. A further aspect employs abrasive, floor-contacting disks or dots including posts extending from backsides thereof for attachment to a reinforcing ring or layer.Type: ApplicationFiled: January 13, 2017Publication date: July 19, 2018Applicant: Diamond Tool Supply, Inc.Inventor: Tchavdar V. Tchakarov
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Patent number: 10011999Abstract: Methods and apparatus are provided for finishing a composite floor. The apparatus includes a grouting pan configured to be affixed to the rotating head of a finishing machine. The grouting pan has a planar bottom surface and a curved sidewall. Grouting pans are rotated over a prepped surface such that the curved sidewalls trowel the mortar onto the rough composite surface and the bottom surface which is in contact with the prepped floor forces the mortar into the surface voids such that a grouted surface.Type: GrantFiled: February 20, 2017Date of Patent: July 3, 2018Assignee: Diamond Tool Supply, Inc.Inventors: Tchavdar V. Tchakarov, Eric Gallup, Robert James Michielutti
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Publication number: 20170361423Abstract: A floor polishing or grinding pad assembly is provided. In one aspect, a polishing or grinding pad assembly employs a flexible pad, a reinforcement layer or ring, and multiple floor-contacting tools such as abrasive disks. In another aspect, the reinforcement layer includes a wavy or undulating internal edge shape. A further aspect includes an inner ring edge having radially extending slots between pairs of radially enlarged tool mounting peaks. Still another aspect includes an insulator or spacer between a head of an abrasive tool and a reinforcement ring.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Applicant: DIAMOND TOOL SUPPLY, INC.Inventor: Tchavdar TCHAKAROV
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Publication number: 20170361414Abstract: A floor polishing or grinding pad assembly is provided. In one aspects a polishing or grinding pad assembly employs a flexible pad, a reinforcement layer or ring, and multiple floor-contacting tools such as disks. In yet another aspect, at least one of the floor-contacting tools has a workpiece-contacting bottom plane having angle offset from that of a base surface of the tool, a flexible pad and/or a flexible reinforcement layer. A further aspect employs a smaller set of disks alternating between and/or offset from a larger set of the disks.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Applicant: DIAMOND TOOL SUPPLY, INC.Inventor: Tchavdar V. TCHAKAROV
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Publication number: 20170362836Abstract: A grouting pan assembly includes a reinforcement ring. In another aspect, a grouting pan includes a substantially planar bottom surface and a curved sidewall surrounding the bottom surface. In a further embodiment, a grouting pan assembly includes a grouting pan having a post or mechanical fastener extending from a backside thereof for attachment to a reinforcing ring or layer.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Applicant: DIAMOND TOOL SUPPLY, INC.Inventor: TCHAVDAR V. TCHAKAROV
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Publication number: 20170175406Abstract: Methods and apparatus are provided for finishing a composite floor. The apparatus includes a grouting pan configured to be affixed to the rotating head of a finishing machine. The grouting pan has a planar bottom surface and a curved sidewall. Grouting pans are rotated over a prepped surface such that the curved sidewalls trowel the mortar onto the rough composite surface and the bottom surface which is in contact with the prepped floor forces the mortar into the surface voids such that a grouted surface.Type: ApplicationFiled: February 20, 2017Publication date: June 22, 2017Applicant: DIAMOND TOOL SUPPLY, INC.Inventors: Tchavdar V. Tchakarov, Eric Gallup, Robert James Michielutti
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Patent number: 9580916Abstract: Methods and apparatus are provided for finishing a composite floor. The apparatus includes a grouting pan configured to be affixed to the rotating head of a finishing machine. The grouting pan has a planar bottom surface and curved sidewall. Grouting pans are rotated over a prepped surface such that the curved sidewalls trowel the mortar onto the rough composite surface and the bottom surface which is in contact with the prepped floor forces the mortar into the surface voids.Type: GrantFiled: September 18, 2014Date of Patent: February 28, 2017Assignee: Diamond Tool Supply, Inc.Inventors: Tchavdar V. Tchakarov, Eric Gallup, Robert James Michielutti
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Patent number: D795666Type: GrantFiled: June 6, 2014Date of Patent: August 29, 2017Assignee: Diamond Tool Supply, Inc.Inventors: Tchavdar V. Tchakarov, Eric Gallup