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公开(公告)号：US12060089B2
公开(公告)日：2024-08-13
申请号：US17133032
申请日：2020-12-23
申请人： L. B. FOSTER COMPANY
发明人： Davey Mitchell , David Elvidge , Darren Loo , Doug McKay , Joel Vandermarel , Nigel Davis , Sze Kei Luk
CPC分类号： B61C15/085 , B05B7/0441 , B05B12/004 , B05B12/087 , B05B13/005 , B05B15/58
摘要： A spraying apparatus for applying a friction modifying fluid to a railroad rail, comprising: a nozzle body disposed in a housing; a fluid inlet conduit in fluid communication with an opening in housing; a fluid inlet disposed in the housing in fluid communication with a first fluid conduit defined by or disposed in the nozzle body; wherein the first fluid conduit runs from fluid inlet to a hollow nozzle tip body disposed on and protruding through a bottom of housing and wherein fluid inlet is also disposed below, and in fluid communication with, the fluid inlet conduit; a control fluid supply line and an atomizing fluid supply line each partially disposed in the housing and each having respective portions external of the housing for connecting with the same fluid supply or respective fluid supplies; wherein the control fluid supply line injects a pressurized control fluid against a piston assembly disposed in a piston cavity; wherein the piston assembly carries stopper needle which is biased towards hollow nozzle tip body by a spring so that the needle closes a nozzle tip opening of hollow nozzle tip body; wherein the atomizing fluid supply line provides a pressurized atomizing fluid into hollow nozzle tip body to atomize the first fluid supplied by the first fluid conduit into the hollow nozzle tip body via a fluid cap disposed on the hollow nozzle tip body; wherein in operation the control fluid supply line and the atomizing fluid supply line are operated simultaneously while the first fluid is supplied by the first fluid conduit into the hollow nozzle tip body via a fluid cap such that the pressurized control fluid injected by control fluid supply line against a piston assembly displaces needle out of the nozzle tip opening and allows the first fluid to exit out of the nozzle tip opening where the first fluid is atomized by the pressurized atomizing fluid supplied by the atomizing fluid supply line.
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公开(公告)号：US11795627B2
公开(公告)日：2023-10-24
申请号：US17087217
申请日：2020-11-02
申请人： L B. Foster Company
发明人： Robert L. Alsop , Sheenfar S Fong , Korhan Ciloglu
摘要： A direct fixation fastener comprising: a top plate; a bottom plate made of metal structural channel providing two spaced-apart side walls, wherein the bottom plate has a first end and a second end and wherein each of the first and second ends terminate in a first flat edge section and a second flat edge section, respectively, without spaced-apart side walls; first and second angle bars, wherein the first angle bar is attached to the first flat edge section and the second angle bar is attached to the second flat edge section; and an elastomeric layer disposed between the top plate and the bottom plate, between the top plate and angle bars and between the angle bars and the spaced-apart side walls.
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公开(公告)号：USD897896S1
公开(公告)日：2020-10-06
申请号：US29681909
申请日：2019-02-28
申请人： L. B. Foster Company
设计人： Sheenfar S. Fong
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公开(公告)号：US10519610B2
公开(公告)日：2019-12-31
申请号：US15690002
申请日：2017-08-29
申请人： L. B. Foster Company
发明人： Korhan Ciloglu , William Mohr , David Workman
摘要： A railroad rail comprising a rail head, wherein the rail head is made from a first material and defines a void, and an insert comprising a second material installed in the void.
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公开(公告)号：USD756844S1
公开(公告)日：2016-05-24
申请号：US29449487
申请日：2013-03-15
申请人： L. B. Foster Company
设计人： Scott Almes , Robert Alsop , Korhan Ciloglu
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公开(公告)号：US20220195673A1
公开(公告)日：2022-06-23
申请号：US17133124
申请日：2020-12-23
申请人： L. B. FOSTER COMPANY
发明人： Sidney Shue , Faizan Ansari
IPC分类号： E01B11/08
摘要： A rail joint bar, comprising: a first side and a second side; wherein the first side has a longitudinal axis and a first outer surface curved convexly or concavely along the longitudinal axis and wherein the first outer surface defines a rounded shape conforming to and fitting within a concavely or convexly curved channel of a side of a curved railroad rail joint, wherein the concavely or convexly curved channel is defined by a web, a head and a foot of the railroad rail joint; and wherein the second side has a second outer surface that has a flat surface following the same curvature of the first side.
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公开(公告)号：US10753047B2
公开(公告)日：2020-08-25
申请号：US15647914
申请日：2017-07-12
申请人： L. B. FOSTER COMPANY
摘要： A bonded, direct fixation fastener as supportive structure for a rail on a railroad bed comprising: a substantially rectangular rail plate, wherein the rail plate has a generally horizontal center portion having a lower face and an upper face and wherein the rail plate defines an outer perimeter having a face defining a first angle to the railroad bed, the rail plate having attachment means to attach to the rail; a substantially rectangular bottom member defines an inner perimeter having a face defining a second angle to the railroad bed; and a substantially rectangular elastomeric portion disposed between, and bonded to each of, the outer perimeter and face of the rail plate and the inner perimeter and face of the bottom member.
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公开(公告)号：US20180016754A1
公开(公告)日：2018-01-18
申请号：US15647914
申请日：2017-07-12
申请人： L. B. FOSTER COMPANY
摘要： A bonded, direct fixation fastener as supportive structure for a rail on a railroad bed comprising: a substantially rectangular rail plate, wherein the rail plate has a generally horizontal center portion having a lower face and an upper face and wherein the rail plate defines an outer perimeter having a face defining a first angle to the railroad bed, the rail plate having attachment means to attach to the rail; a substantially rectangular bottom member defines an inner perimeter having a face defining a second angle to the railroad bed; and a substantially rectangular elastomeric portion disposed between, and bonded to each of, the outer perimeter and face of the rail plate and the inner perimeter and face of the bottom member.
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公开(公告)号：US20210253140A1
公开(公告)日：2021-08-19
申请号：US17133032
申请日：2020-12-23
申请人： L. B. FOSTER COMPANY
发明人： Davey Mitchell , David Elvidge , Darren Loo , Doug McKay , Joel Vandermarel , Nigel Davis , Sze Kei Luk
摘要： A spraying apparatus for applying a friction modifying fluid to a railroad rail, comprising: a nozzle body disposed in a housing; a fluid inlet conduit in fluid communication with an opening in housing; a fluid inlet disposed in the housing in fluid communication with a first fluid conduit defined by or disposed in the nozzle body; wherein the first fluid conduit runs from fluid inlet to a hollow nozzle tip body disposed on and protruding through a bottom of housing and wherein fluid inlet is also disposed below, and in fluid communication with, the fluid inlet conduit; a control fluid supply line and an atomizing fluid supply line each partially disposed in the housing and each having respective portions external of the housing for connecting with the same fluid supply or respective fluid supplies; wherein the control fluid supply line injects a pressurized control fluid against a piston assembly disposed in a piston cavity; wherein the piston assembly carries stopper needle which is biased towards hollow nozzle tip body by a spring so that the needle closes a nozzle tip opening of hollow nozzle tip body; wherein the atomizing fluid supply line provides a pressurized atomizing fluid into hollow nozzle tip body to atomize the first fluid supplied by the first fluid conduit into the hollow nozzle tip body via a fluid cap disposed on the hollow nozzle tip body; wherein in operation the control fluid supply line and the atomizing fluid supply line are operated simultaneously while the first fluid is supplied by the first fluid conduit into the hollow nozzle tip body via a fluid cap such that the pressurized control fluid injected by control fluid supply line against a piston assembly displaces needle out of the nozzle tip opening and allows the first fluid to exit out of the nozzle tip opening where the first fluid is atomized by the pressurized atomizing fluid supplied by the atomizing fluid supply line.
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公开(公告)号：US20170299476A1
公开(公告)日：2017-10-19
申请号：US15458789
申请日：2017-03-14
申请人： L B FOSTER COMPANY
发明人： Jason Strawn
IPC分类号： G01N1/20
CPC分类号： G01N1/2035 , E21B49/086 , G01N2001/205
摘要： An automatic fluid sampling system, comprising: a sample flow-through conduit in fluid communication with a fast loop or slip stream off of a fluid process line or pipe, a solenoid or other valve disposed for regulating fluid flow from the fast loop line into the sample flow-through conduit; a flow meter in fluid communication with sample flow-through conduit for measuring a volume of a sample allowed to flow through the sample flow-through conduit by the solenoid or other valve; and a sample fluid outlet from which the sample measured by the flow meter exits the sample flow-through conduit.
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