Patents by Inventor Ignazio Gosamo
Ignazio Gosamo 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: 11806840Abstract: An abrasive article can include an abrasive component including a body. The body can include a bond matrix and abrasive particles contained in the bond matrix. In an embodiment, the body can include an interconnected phase extending through at least a portion of the bond matrix. The body can include a discontinuous phase including a plurality of discrete members. At least one of the discrete member can include a macroscopic pore. In another embodiment, the body can include a porosity of at least 15 vol % for a total volume of the body.Type: GrantFiled: September 16, 2022Date of Patent: November 7, 2023Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Ji Xiao, Aiyun Luo, Gwenaëlle Ringenbach, Ignazio Gosamo, Lise Lauvergeon
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Publication number: 20230203355Abstract: An abrasive article can include a core and an abrasive component attached to the core. The abrasive component may include a body including a leading end and a trailing end, wherein the leading end has a width greater than a width of the trailing end. In an embodiment, the abrasive component may include a body including a first abrasive portion and a second abrasive portion, wherein a radial width of the first abrasive portion is greater than a radial width of the second abrasive portion.Type: ApplicationFiled: December 29, 2022Publication date: June 29, 2023Inventors: Gwenaëlle RINGENBACH, Ignazio GOSAMO
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Publication number: 20230018588Abstract: An abrasive article can include an abrasive component including a body. The body can include a bond matrix and abrasive particles contained in the bond matrix. In an embodiment, the body can include an interconnected phase extending through at least a portion of the bond matrix. The body can include a discontinuous phase including a plurality of discrete members. At least one of the discrete member can include a macroscopic pore. In another embodiment, the body can include a porosity of at least 15 vol % for a total volume of the body.Type: ApplicationFiled: September 16, 2022Publication date: January 19, 2023Inventors: Ji XIAO, Aiyun LUO, Gwenaëlle RINGENBACH, Ignazio GOSAMO, Lise LAUVERGON
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Patent number: 11478898Abstract: An abrasive article can include an abrasive component including a body. The body can include a bond matrix and abrasive particles contained in the bond matrix. In an embodiment, the body can include an interconnected phase extending through at least a portion of the bond matrix. The body can include a discontinuous phase including a plurality of discrete members. At least one of the discrete member can include a macroscopic pore. In another embodiment, the body can include a porosity of at least 15 vol % for a total volume of the body.Type: GrantFiled: June 26, 2020Date of Patent: October 25, 2022Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Ji Xiao, Aiyun Luo, Gwenaëlle Ringenbach, Ignazio Gosamo, Lise Lauvergeon
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Publication number: 20210001452Abstract: An abrasive article can include an abrasive component including a body. The body can include a bond matrix and abrasive particles contained in the bond matrix. In an embodiment, the body can include an interconnected phase extending through at least a portion of the bond matrix. The body can include a discontinuous phase including a plurality of discrete members. At least one of the discrete member can include a macroscopic pore. In another embodiment, the body can include a porosity of at least 15 vol % for a total volume of the body.Type: ApplicationFiled: June 26, 2020Publication date: January 7, 2021Inventors: Ji XIAO, Aiyun LUO, Gwenaëlle RINGENBACH, Ignazio GOSAMO, Lise LAUVERGEON
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Patent number: 10730164Abstract: A process can include forming at least one precursor abrasive component on a core and infiltrating at least a portion of the precursor abrasive component. The precursor abrasive component can include a body including a metal bond matrix and abrasive particles. Infiltrating can be performed after forming the precursor abrasive component with an infiltrant material. The infiltrant material can include a metal element, an alloy or a combination thereof. In an embodiment, forming at least one precursor abrasive component can include simultaneously joining the precursor abrasive component to the core.Type: GrantFiled: December 20, 2017Date of Patent: August 4, 2020Assignee: SAINT-GOBAIN ABRASIVES, INC/SAINT-GOBAIN ABRASIFSInventors: Ji Xiao, Aiyun Luo, Ignazio Gosamo, Vivian Susek
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Patent number: 10456890Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: GrantFiled: June 5, 2017Date of Patent: October 29, 2019Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventor: Ignazio Gosamo
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Publication number: 20180178348Abstract: A process can include forming at least one precursor abrasive component on a core and infiltrating at least a portion of the precursor abrasive component. The precursor abrasive component can include a body including a metal bond matrix and abrasive particles. Infiltrating can be performed after forming the precursor abrasive component with an infiltrant material. The infiltrant material can include a metal element, an alloy or a combination thereof. In an embodiment, forming at least one precursor abrasive component can include simultaneously joining the precursor abrasive component to the core.Type: ApplicationFiled: December 20, 2017Publication date: June 28, 2018Inventors: Ji XIAO, Aiyun Luo, Ignazio Gosamo, Vivian Susek
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Publication number: 20170266782Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: ApplicationFiled: June 5, 2017Publication date: September 21, 2017Inventor: IGNAZIO GOSAMO
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Patent number: 9700993Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: GrantFiled: September 2, 2015Date of Patent: July 11, 2017Assignee: SAINT-GOBAIN ABRASIVES, INC. & SAINT-GOBAIN ABRASIFSInventor: Ignazio Gosamo
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Patent number: 9289881Abstract: An abrasive article includes a carrier element, an abrasive component, and a bonding region between the abrasive component and the carrier element. The abrasive component includes abrasive particles bound in a metal matrix. The abrasive component further includes a network of interconnected pores substantially filled with an infiltrant. The infiltrant has an infiltrant composition containing at least one metal element. The bonding region includes a bonding metal having a bonding metal composition containing at least one metal element. The bonding region is a region distinct from the carrier element and is a separate phase from the carrier element. An elemental weight percent difference is the absolute value of the difference in weight content of each element contained in the bonding metal composition relative to the infiltrant composition. The elemental weight percent difference between the bonding metal composition and the infiltrant composition does not exceed 20 weight percent.Type: GrantFiled: October 21, 2013Date of Patent: March 22, 2016Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Ignazio Gosamo, Sebastien Marcel Robert Douveneau
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Patent number: 9278430Abstract: An abrasive article includes a base, an abrasive member comprising three distinct phases bonded to each other including abrasive particles, a metal matrix, and an infiltrant. The abrasive article further includes a backing region between the abrasive member and the base, wherein the backing region comprises a laser welded bond joint.Type: GrantFiled: November 13, 2013Date of Patent: March 8, 2016Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Marc L. Hoang, Ignazio Gosamo, André R. G. Heyen
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Publication number: 20150375368Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: ApplicationFiled: September 2, 2015Publication date: December 31, 2015Inventor: Ignazio Gosamo
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Patent number: 9149913Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: GrantFiled: December 18, 2013Date of Patent: October 6, 2015Assignee: SAINT-GOBAIN ABRASIVES, INC.Inventor: Ignazio Gosamo
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Patent number: 9097067Abstract: A device for securing a plurality of abrasive segments to an abrasive tool is provided. The abrasive tool includes a rotatable body with an outer diameter and an inner diameter. The device includes a carrier element that includes a first portion that accommodates the plurality of abrasive segments and a second portion opposite from the first portion that attaches to the rotatable body. The second portion includes a shoulder extending therefrom that facilitates centering with the rotatable body.Type: GrantFiled: February 10, 2010Date of Patent: August 4, 2015Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Ignazio Gosamo, Sebastien Marcel Robert Douveneau
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Patent number: 9028303Abstract: An abrasive article including a base having an annular shape defining a central opening; and a mounting assembly coupled to the base, wherein a portion of the mounting assembly is under a compressive force, and a grinding segment coupled to the mounting member.Type: GrantFiled: October 24, 2013Date of Patent: May 12, 2015Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventors: Ignazio Gosamo, Sebastien Marcel Robert Douveneau, André R. G. Heyen, Emmanuel Thil
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Publication number: 20140373693Abstract: An abrasive article includes a blade body having an axis of rotation, and a peripheral edge comprising a plurality of blade segments with perimeter edges. Adjacent ones of the blade segments may be separated from each other by a slot that extends into the blade body at least partially in a radial direction with respect to the axis. At least one blade segment may include a plurality of apertures extending axially therethrough, comprising a perimeter edge aperture that intersects the perimeter edge, and at least two interior apertures are radially offset from and do not intersect the perimeter edge. An abrasive portion may include a bond material and abrasive particles, the abrasive portion overlies at least portions of the blade segments.Type: ApplicationFiled: May 16, 2014Publication date: December 25, 2014Applicants: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventor: Ignazio Gosamo
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Publication number: 20140187130Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: ApplicationFiled: December 18, 2013Publication date: July 3, 2014Applicants: Saint-Gobain Abrasifs, Saint-Gobain Abrasives, Inc.Inventor: Ignazio Gosamo
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Publication number: 20140069023Abstract: An abrasive article includes a base, an abrasive member comprising three distinct phases bonded to each other including abrasive particles, a metal matrix, and an infiltrant. The abrasive article further includes a backing region between the abrasive member and the base, wherein the backing region comprises a laser welded bond joint.Type: ApplicationFiled: November 13, 2013Publication date: March 13, 2014Applicants: SAINT-GOBAIN ABRASIFS, SAINT-GOBAIN ABRASIVES, INC.Inventors: Marc L. Hoang, Ignazio Gosamo, André R. G. Heyen
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Publication number: 20140047777Abstract: An abrasive article includes a carrier element, an abrasive component, and a bonding region between the abrasive component and the carrier element. The abrasive component includes abrasive particles bound in a metal matrix. The abrasive component further includes a network of interconnected pores substantially filled with an infiltrant. The infiltrant has an infiltrant composition containing at least one metal element. The bonding region includes a bonding metal having a bonding metal composition containing at least one metal element. The bonding region is a region distinct from the carrier element and is a separate phase from the carrier element. An elemental weight percent difference is the absolute value of the difference in weight content of each element contained in the bonding metal composition relative to the infiltrant composition. The elemental weight percent difference between the bonding metal composition and the infiltrant composition does not exceed 20 weight percent.Type: ApplicationFiled: October 21, 2013Publication date: February 20, 2014Inventors: Ignazio Gosamo, Sebastien Marcel Robert Douveneau