Patents Assigned to Tensar Corporation
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Patent number: 11933013Abstract: An integral geogrid includes a plurality of interconnected, oriented strands having an array of openings therein that is produced from a coextruded multilayer polymer sheet starting material. By virtue of the construction, the coextruded multilayer sheet components provide a crystalline synergistic effect during extrusion and orientation of the integral geogrid, resulting in enhanced material properties that provide performance benefits to use of the integral geogrid in soil geosyuthetic reinforcement.Type: GrantFiled: November 10, 2021Date of Patent: March 19, 2024Assignee: TENSAR CORPORATION, LLCInventors: William Stanley Shelton, Manoj Kumar Tyagi
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Patent number: 11873717Abstract: A polymer mesh for skin control in hard rock mining conditions is provided. The polymer mesh is manufactured using a knitted or woven design that further includes one or more pairs of solid cut-resistant bands. The bands are positioned in pairs, each band in a pair having a width of at least about 2.5? and being generally parallel with the other band. The bands are spaced from one another at a distance of between about 1.5? and about 4? to create a reinforced aperture between the bands. One or more reinforcement bolts are installed within the aperture with the bands on opposing sides of each bolt buffering the edges of the steel plates associated with the bolts to prevent the plates from tearing the polymer mesh.Type: GrantFiled: April 12, 2022Date of Patent: January 16, 2024Assignee: TENSAR CORPORATION, LLCInventor: John Steffenino
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Publication number: 20230265632Abstract: An integral polymer grid with a plurality of interconnected, oriented polyethylene terephthalate strands and an array of openings therein is made from a polyethylene terephthalate sheet-like starting material having perforations or indentations therein that form the openings when the sheet-like material is uniaxially or biaxially stretched. The grid has a higher tensile strength to weight ratio and a higher creep reduced strength to weight ratio than corresponding ratios associated with a grid made from a non-polyethylene terephthalate starting material.Type: ApplicationFiled: February 14, 2023Publication date: August 24, 2023Applicant: Tensar CorporationInventors: Manoj Kumar TYAGI, William Stanley SHELTON
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Publication number: 20230193577Abstract: An integral geogrid includes a plurality of interconnected, oriented strands having an array of openings therein that is produced from a coextruded multilayer polymer sheet starting material. By virtue of the construction, the coextruded multilayer sheet components provide a crystalline synergistic effect during extrusion and orientation of the integral geogrid, resulting in enhanced material properties that provide performance benefits to use of the integral geogrid in soil geosyuthetic reinforcement.Type: ApplicationFiled: November 10, 2021Publication date: June 22, 2023Applicant: TENSAR CORPORATION, LLCInventors: William Stanley SHELTON, Manoj Kumar Tyagi
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Publication number: 20220372876Abstract: A polymer mesh for skin control in hard rock mining conditions is provided. The polymer mesh is manufactured using a knitted or woven design that further includes one or more pairs of solid cut-resistant bands. The bands are positioned in pairs, each band in a pair having a width of at least about 2.5? and being generally parallel with the other band. The bands are spaced from one another at a distance of between about 1.5? and about 4? to create a reinforced aperture between the bands. One or more reinforcement bolts are installed within the aperture with the bands on opposing sides of each bolt buffering the edges of the steel plates associated with the bolts to prevent the plates from tearing the polymer mesh.Type: ApplicationFiled: April 12, 2022Publication date: November 24, 2022Applicant: TENSAR CORPORATION, LLCInventor: John Steffenino
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Publication number: 20220333332Abstract: An integral geogrid includes a plurality of interconnected, oriented strands having an array of openings therein that is produced from a coextruded multilayer polymer sheet starting material. By virtue of the construction, the coextruded multilayer sheet components provide a crystalline synergistic effect during extrusion and orientation of the integral geogrid, resulting in enhanced material properties that provide performance benefits to use of the integral geogrid in soil geosynthetic reinforcement.Type: ApplicationFiled: December 22, 2021Publication date: October 20, 2022Applicant: TENSAR CORPORATION, LLCInventors: William Stanley SHELTON, Manoj Kumer Tyagi
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Patent number: 11333018Abstract: A polymer mesh for skin control in hard rock mining conditions is provided. The polymer mesh is manufactured using a knitted or woven design that further includes one or more pairs of solid cut-resistant bands. The bands are positioned in pairs, each band in a pair having a width of at least about 2.5? and being generally parallel with the other band. The bands are spaced from one another at a distance of between about 1.5? and about 4? to create a reinforced aperture between the bands. One or more reinforcement bolts are installed within the aperture with the bands on opposing sides of each bolt buffering the edges of the steel plates associated with the bolts to prevent the plates from tearing the polymer mesh.Type: GrantFiled: April 30, 2020Date of Patent: May 17, 2022Assignee: TENSAR CORPORATION, LLCInventor: John Steffenino
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Patent number: 11198986Abstract: An integral geogrid includes a plurality of interconnected, oriented strands having an array of openings therein that is produced from a coextruded multilayer polymer sheet starting material. By virtue of the construction, the coextruded multilayer sheet components provide a crystalline synergistic effect during extrusion and orientation of the integral geogrid, resulting in enhanced material properties that provide performance benefits to use of the integral geogrid in soil geosynthetic reinforcement.Type: GrantFiled: April 22, 2020Date of Patent: December 14, 2021Assignee: TENSAR CORPORATIONInventors: William Stanley Shelton, Manoj Kumar Tyagi
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Publication number: 20200355076Abstract: A polymer mesh for skin control in hard rock mining conditions is provided. The polymer mesh is manufactured using a knitted or woven design that further includes one or more pairs of solid cut-resistant bands. The bands are positioned in pairs, each band in a pair having a width of at least about 2.5? and being generally parallel with the other band. The bands are spaced from one another at a distance of between about 1.5? and about 4? to create a reinforced aperture between the bands. One or more reinforcement bolts are installed within the aperture with the bands on opposing sides of each bolt buffering the edges of the steel plates associated with the bolts to prevent the plates from tearing the polymer mesh.Type: ApplicationFiled: April 30, 2020Publication date: November 12, 2020Applicant: TENSAR CORPORATION, LLCInventor: John STEFFENINO
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Publication number: 20200283983Abstract: An integral geogrid includes a plurality of interconnected, oriented strands having an array of openings therein that is produced from a coextruded multilayer polymer sheet starting material. By virtue of the construction, the coextruded multilayer sheet components provide a crystalline synergistic effect during extrusion and orientation of the integral geogrid, resulting in enhanced material properties that provide performance benefits to use of the integral geogrid in soil geosynthetic reinforcement.Type: ApplicationFiled: April 22, 2020Publication date: September 10, 2020Applicant: TENSAR CORPORATION, LLCInventors: William Stanley SHELTON, Manoj Kumar Tyagi
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Publication number: 20180298582Abstract: An integral geogrid includes a plurality of interconnected, oriented strands having an array of openings therein that is produced from a coextruded multilayer polymer sheet starting material. By virtue of the construction, the coextruded multilayer sheet components provide a crystalline synergistic effect during extrusion and orientation of the integral geogrid, resulting in enhanced material properties that provide performance benefits to use of the integral geogrid in soil geosynthetic reinforcement.Type: ApplicationFiled: October 6, 2016Publication date: October 18, 2018Applicant: TENSAR CORPORATION, LLCInventors: William Stanley SHELTON, Manoj Kumar TYAGI
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Patent number: 9581022Abstract: A roll of grid material for mine roof support, and a mining machine in combination with such a roll, in which the roll has bands of adhering material injected or otherwise forced into the roll in spaced locations along the roll's width. The adhering material interconnects the overlapped layers within the roll and is sufficiently strong to hold the grid material in the rolled configuration for transport and storage, and yet is readily pulled apart in response to sufficient manual or mechanical pressure applied against the roll, or tension applied to the unwound portion thereof, so as to enable the grid material to be incrementally unwound and installed in the mine. The rolls can be installed using a range of mining machines without need for any specialized dispensing or other apparatus mounted on the machine and without the need for any mechanical device to control unwinding.Type: GrantFiled: May 9, 2014Date of Patent: February 28, 2017Assignee: TENSAR CORPORATIONInventor: John E. Steffenino
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Patent number: 9249552Abstract: An integral polymer grid with a plurality of interconnected, oriented polyethylene terephthalate strands and an array of openings therein is made from a polyethylene terephthalate sheet-like starting material having holes or depressions therein that form the openings when the sheet-like material is uniaxially or biaxially stretched. The grid has a higher tensile strength to weight ratio and a higher creep reduced strength to weight ratio than corresponding ratios associated with a grid made from a non-polyethylene terephthalate starting material.Type: GrantFiled: February 5, 2008Date of Patent: February 2, 2016Assignee: TENSAR CORPORATIONInventors: Manoj Kumar Tyagi, William Stanley Shelton
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Publication number: 20150114909Abstract: A light weight oriented net or netting assembly is provided for oil capture and containment. The netting assembly is made by biaxially stretching or orienting starting materials to form a pattern of oriented strands and integral junctions that, while being light in weight, is also strong enough to be used to capture and remove oil from contaminated water without an outer stabilizing jacket. The assembly is preferably made from oriented polypropylene netting that is folded, gathered, bunched and/or otherwise layered upon itself on the order of 16-64 times and then crimped in one or more locations to secure the netting layers in a bow tie or tubular configuration that forms net cavities and an open cell structure to capture and contain oil that has been dispersed in water. Oil in the netting assembly can then be removed, such as by pressing or other removal process, after which the netting assembly may be reused.Type: ApplicationFiled: September 8, 2014Publication date: April 30, 2015Applicant: TENSAR CORPORATIONInventors: Matthew David STEWART, Brian Edward CONNELLY, Daniel Charles HABICHT
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Publication number: 20140327293Abstract: A roll of grid material for mine roof support, and a mining machine in combination with such a roll, in which the roll has bands of adhering material injected or otherwise forced into the roll in spaced locations along the roll's width. The adhering material interconnects the overlapped layers within the roll and is sufficiently strong to hold the grid material in the rolled configuration for transport and storage, and yet is readily pulled apart in response to sufficient manual or mechanical pressure applied against the roll, or tension applied to the unwound portion thereof, so as to enable the grid material to be incrementally unwound and installed in the mine. The rolls can be installed using a range of mining machines without need for any specialized dispensing or other apparatus mounted on the machine and without the need for any mechanical device to control unwinding.Type: ApplicationFiled: May 9, 2014Publication date: November 6, 2014Applicant: TENSAR CORPORATIONInventor: John E. STEFFENINO
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Patent number: 8828236Abstract: A light weight oriented net or netting assembly is provided for oil capture and containment. The netting assembly is made by biaxially stretching or orienting starting materials to form a pattern of oriented strands and integral junctions that, while being light in weight, is also strong enough to be used to capture and remove oil from contaminated water without an outer stabilizing jacket. The assembly is preferably made from oriented polypropylene netting that is folded, gathered, bunched and/or otherwise layered upon itself on the order of 16-64 times and then crimped in one or more locations to secure the netting layers in a bow tie or tubular configuration that forms net cavities and an open cell structure to capture and contain oil that has been dispersed in water. Oil in the netting assembly can then be removed, such as by pressing or other removal process, after which the netting assembly may be reused.Type: GrantFiled: August 5, 2011Date of Patent: September 9, 2014Assignee: The Tensar CorporationInventors: Matthew David Stewart, Brian Edward Connelly, Daniel Charles Habicht
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Patent number: 8757936Abstract: A roll of grid material for mine roof support, and a mining machine in combination with such a roll, in which the roll has bands of adhering material injected or otherwise forced into the roll in spaced locations along the roll's width. The adhering material interconnects the overlapped layers within the roll so that the roll is self-resistant to unrolling. Also provided is a method of making such a roll including the steps of winding a length of polymeric mesh material into a roll and applying an adhering material to the mesh material. The adhering material has sufficient strength to hold the roll in a wound configuration and prevent the roll from free-wheeling or unwinding due to the roll's own physical properties.Type: GrantFiled: March 30, 2012Date of Patent: June 24, 2014Assignee: Tensar CorporationInventor: John E. Steffenino
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Patent number: 8651770Abstract: An erosion control ballast and soil confinement mat for use in water flow conditions is provided. The mat is made of a non-buoyant, relatively heavy and substantially flexible material with a plurality of pores stamped or pre-cast therein that allow for the inflow of water, the establishment of vegetation growth through the mat, and the in-filling of the pores with supplemental ballast materials such as gravel or soil. The bottom side of the mat has protrusions that extend into the underlying surface to prevent horizontal shifting and confine soil materials and/or another erosion control mat such as an erosion control blanket or turf reinforcement mat, while also preventing migration of the mat itself under high shear force water flow. The top surface of the mat may be provided with flaps that cover the pore openings during periods of strong water flow to prevent excessive water flow from entering the pores and eroding the underlying soil.Type: GrantFiled: August 18, 2009Date of Patent: February 18, 2014Assignee: Tensar Corporation, LLCInventor: Timothy Lancaster
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Publication number: 20130108377Abstract: A roll of grid material for mine roof support, and a mining machine in combination with such a roll, in which the roll has bands of adhering material injected or otherwise forced into the roll in spaced locations along the roll's width. The adhering material interconnects the overlapped layers within the roll and is sufficiently strong to hold the grid material in the rolled configuration for transport and storage, and yet is readily pulled apart in response to sufficient manual or mechanical pressure applied against the roll, or tension applied to the unwound portion thereof, so as to enable the grid material to be incrementally unwound and installed in the mine. The rolls can be installed using a range of mining machines without need for any specialized dispensing or other apparatus mounted on the machine and without the need for any mechanical device to control unwinding.Type: ApplicationFiled: March 30, 2012Publication date: May 2, 2013Applicant: Tensar CorporationInventor: John E. STEFFENINO
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Patent number: RE49523Abstract: An integral polymer grid with a plurality of interconnected, oriented polyethylene terephthalate strands and an array of openings therein is made from a polyethylene terephthalate sheet-like starting material having holes or depressions therein that form the openings when the sheet-like material is uniaxially or biaxially stretched. The grid has a higher tensile strength to weight ratio and a higher creep reduced strength to weight ratio than corresponding ratios associated with a grid made from a non-polyethylene terephthalate starting material.Type: GrantFiled: January 26, 2018Date of Patent: May 9, 2023Assignee: TENSAR CORPORATION, LLCInventors: Manoj Kumar Tyagi, William Stanley Shelton