A heat exchanger for use in a urea production system may include a first chamber, a second chamber adjacent to the first chamber, a first tubesheet provided between the first chamber and the second chamber, a first plurality of holes provided in the tubesheet, and a plurality of tubes in fluid communication with the first chamber and extending through the second chamber. The second chamber may be sealed from the first chamber. The first tubesheet may include a first base layer and a first clad layer explosively welded to the first base layer. The first base layer may include a first carbon steel. The first clad layer may include a stainless steel alloy, a austenitic stainless steel, a superaustenitic stainless steel, a duplex stainless steel, or a superduplex steel stainless steel. The heat exchanger may be configured for use in at least one step in a urea production process.
F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
2.
HEAT EXCHANGER AND TUBESHEET FOR USE IN UREA PRODUCTION
A heat exchanger for use in a urea production system may include a first chamber, a second chamber adjacent to the first chamber, a first tubesheet provided between the first chamber and the second chamber, a first plurality of holes provided in the tubesheet, and a plurality of tubes in fluid communication with the first chamber and extending through the second chamber. The second chamber may be sealed from the first chamber. The first tubesheet may include a first base layer and a first clad layer explosively welded to the first base layer. The first base layer may include a first carbon steel. The first clad layer may include a stainless steel alloy, a austenitic stainless steel, a superaustenitic stainless steel, a duplex stainless steel, or a super-duplex steel stainless steel. The heat exchanger may be configured for use in at least one step in a urea production process.
A tubesheet may include a base layer have a first base layer surface and a second base layer surface substantially parallel to the first base layer surface. The tubesheet may further include a first clad layer explosively welded to the first base layer surface, a second clad layer explosively welded to the second base layer surface, a third clad layer explosively welded to the first clad layer opposite the base layer, a fourth clad layer explosively welded to the second clad layer opposite the base layer.
A method of identifying a bond boundary between a sound bond and weak bond in a multilayer article may include determining a plurality of positions on a surface of the article; for each position of the plurality of positions, obtaining a full-wave, time domain waveform of ultrasonic waves reflected from the article; and, for each pair of adjacent positions among the plurality of positions, determining whether there is a bond boundary between a first position and a second position based on a comparison of a waveform characteristic of a first waveform generated at the first position and the waveform characteristic of a second waveform generated at the second position; and in response to a determination that there is a bond boundary between the first position and the second position, determining a boundary position based on the first position and the second position and memorializing the boundary position.
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
5.
Method and apparatus for additive friction stir manufactured transition joint
A dissimilar metal article may include a first metallic component including a first metal material, a second metallic component comprising a second metal material, and a transition joint provided between and bonding a first metallic component first end surface to a second metallic component first end surface. An additive flow material may be further provided to the dissimilar metal article to strengthen the joint between the first metallic component and the second metallic component.
F16D 1/027 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like non-disconnectable, e.g. involving gluing, welding or the like
A cladded article may include a first metallic layer, a clad layer, and a first solid-state welding interface region positioned between the clad layer and the first metallic layer. The clad layer may include a first clad layer region having a first clad layer thickness in a thickness direction of the clad layer and a second clad layer region having a second clad layer thickness in the thickness direction of the clad layer. The second clad layer thickness may be greater than the first clad layer thickness.
B23K 20/10 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication
related to the use, customization, and selection of metal
components for use in fabricating process vessels, heat
exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication
related to the use, customization, and selection of metal
components for use in fabricating process vessels, heat
exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication
related to the use, customization, and selection of metal
components for use in fabricating process vessels, heat
exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication
related to the use, customization, and selection of metal
components for use in fabricating process vessels, heat
exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication
related to the use, customization, and selection of metal
components for use in fabricating process vessels, heat
exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Technical consultation in the field of custom fabrication and selection of metal components for fabricating transition joints used in the manufacture of process vessels and heat exchangers for liquefied gas equipment and machinery, namely, piping systems for gas separation, storage, and transportation, and specialized machinery used in the liquefaction, storage, transportation and regasification of gas.
06 - Common metals and ores; objects made of metal
Goods & Services
(1) Explosion welded clad metal products, namely explosion clad tri-metal in sheet, rod or bar form used in welding; bonded clad metal products, namely explosion clad tri-metal in sheet, rod or bar form used in welding
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Technical consultation in the field of custom fabrication related to the use, customization, and selection of metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts
06 - Common metals and ores; objects made of metal
Goods & Services
Alloys of common metals, namely, explosion-bonded clad
metals sold for use in fabricating process vessels, heat
exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing online non-downloadable software for customers to determine the cost of goods for metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts; providing an online website portal featuring technology in the nature of on-line nondownloadable software that enables users to access the cost of goods for metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts
42 - Scientific, technological and industrial services, research and design
Goods & Services
Customer relationship management; providing administrative
management of online registration services for membership to
a customer portal via a web site; management of customer
information through an online portal. Technological consultation services in the field of the use,
customization, and selection of metal components for use in
fabricating process vessels, heat exchangers, tubes, rods,
machine components and other structures for generalized use
in the industrial arts; providing online non-downloadable
software for customers to remotely view and manage orders
for metal components for use in fabricating process vessels,
heat exchangers, tubes, rods, machine components and other
structures for generalized use in the industrial arts;
providing technology that enables users to access order
information, manage their customer information, view and
access invoice and payment records through an online website
portal; providing online, non-downloadable software for
accessing customer accounts for viewing and retrieving order
information, for viewing account balances invoices, and
payment history.
06 - Common metals and ores; objects made of metal
Goods & Services
Alloys of common metals, namely, explosion-bonded clad metals sold for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Providing online non-downloadable software for customers to remotely view and manage orders for metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts; providing an online website portal featuring technology in the nature of on-line non-downloadable software that enables users to access order information, manage their customer information, view and access invoice and payment records; providing online, non-downloadable software for accessing customer accounts for viewing and retrieving order information, for viewing account balances invoices, and payment history;
29.
Method and system of identifying a bond boundary between a sound bond and a weak bond in a multilayer article
A method of identifying a bond boundary between a sound bond and weak bond in a multilayer article may include determining a plurality of positions on a surface of the article; for each position of the plurality of positions, obtaining a full-wave, time domain waveform of ultrasonic waves reflected from the article; and, for each pair of adjacent positions among the plurality of positions, determining whether there is a bond boundary between a first position and a second position based on a comparison of a waveform characteristic of a first waveform generated at the first position and the waveform characteristic of a second waveform generated at the second position; and in response to a determination that there is a bond boundary between the first position and the second position, determining a boundary position based on the first position and the second position and memorializing the boundary position.
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
30.
METHOD AND APPARATUS FOR ADDITIVE FRICTION STIR MANUFACTURED TRANSITION JOINT
A dissimilar metal article may include a first metallic component including a first metal material, a second metallic component comprising a second metal material, and a transition joint provided between and bonding a first metallic component first end surface to a second metallic component first end surface. An additive flow material may be further provided to the dissimilar metal article to strengthen the joint between the first metallic component and the second metallic component.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
B23K 20/22 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
F16L 13/007 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints specially adapted for joining pipes of dissimilar materials
F16L 13/16 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
31.
Method and apparatus for additive friction stir manufactured transition joint
A dissimilar metal article may include a first metallic component including a first metal material, a second metallic component comprising a second metal material, and a transition joint provided between and bonding a first metallic component first end surface to a second metallic component first end surface. An additive flow material may be further provided to the dissimilar metal article to strengthen the joint between the first metallic component and the second metallic component.
F16D 1/027 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like non-disconnectable, e.g. involving gluing, welding or the like
A dissimilar metal article may include a first metallic component including a first metal material, a second metallic component comprising a second metal material, and a transition joint provided between and bonding a first metallic component first end surface to a second metallic component first end surface. An additive flow material may be further provided to the dissimilar metal article to strengthen the joint between the first metallic component and the second metallic component.
F16L 13/16 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
B23K 20/22 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing online non-downloadable software for customers to remotely view and manage orders for metal components for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts; providing an online website portal featuring technology in the nature of on-line non-downloadable software that enables users to access order information, manage their customer information, view and access invoice and payment records; providing online, non-downloadable software for accessing customer accounts for viewing and retrieving order information, for viewing account balances invoices, and payment history
34.
Cladded article with clad layer having varying thickness
A cladded article may include a first metallic layer, a clad layer, and a first solid-state welding interface region positioned between the clad layer and the first metallic layer. The clad layer may include a first clad layer region having a first clad layer thickness in a thickness direction of the clad layer and a second clad layer region having a second clad layer thickness in the thickness direction of the clad layer. The second clad layer thickness may be greater than the first clad layer thickness.
B23K 20/10 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
06 - Common metals and ores; objects made of metal
Goods & Services
Corrosion-resistant metal overlays and alloys for fittings,
steel plates, flanges, piping components; elbows of metal
for pipes; junctions of metal for pipes; metal clad pipes;
metal pipes; steel pipes.
06 - Common metals and ores; objects made of metal
Goods & Services
Explosion-bonded clad metals sold for use in fabricating
process vessels, heat exchangers, tubes, rods, machine
components and other structures for generalized use in the
industrial arts.
06 - Common metals and ores; objects made of metal
Goods & Services
Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping components; Elbows of metal for pipes; Junctions of metal for pipes; Metal clad pipes; Metal pipes; Steel pipes
40.
METHOD AND SYSTEM OF IDENTIFYING A BOND BOUNDARY BETWEEN A SOUND BOND AND A WEAK BOND IN A MULTILAYER ARTICLE
A method of identifying a bond boundary between a sound bond and weak bond in a multilayer article may include determining a plurality of positions on a surface of the article; for each position of the plurality of positions, obtaining a full-wave, time domain waveform of ultrasonic waves reflected from the article; and, for each pair of adjacent positions among the plurality of positions, determining whether there is a bond boundary between a first position and a second position based on a comparison of a waveform characteristic of a first waveform generated at the first position and the waveform characteristic of a second waveform generated at the second position; and in response to a determination that there is a bond boundary between the first position and the second position, determining a boundary position based on the first position and the second position and memorializing the boundary position.
A cladded article may include a first metallic layer, a clad layer, and a first solid-state welding interface region positioned between the clad layer and the first metallic layer. The clad layer may include a first clad layer region having a first clad layer thickness in a thickness direction of the clad layer and a second clad layer region having a second clad layer thickness in the thickness direction of the clad layer. The second clad layer thickness may be greater than the first clad layer thickness.
B23K 20/10 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
B23K 35/00 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
42.
CLADDED ARTICLE WITH CLAD LAYER HAVING VARYING THICKNESS
A cladded article may include a first metallic layer, a clad layer, and a first solid-state welding interface region positioned between the clad layer and the first metallic layer. The clad layer may include a first clad layer region having a first clad layer thickness in a thickness direction of the clad layer and a second clad layer region having a second clad layer thickness in the thickness direction of the clad layer. The second clad layer thickness may be greater than the first clad layer thickness.
B23K 20/10 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
B23K 35/00 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
43.
MULTILAYER TRANSITION JOINT FOR ALUMINUM SMELTER AND METHOD OF MAKING
A composite transition joint is described. The transition joint includes a plurality of metal layers that are metallurgically bonded together. The metal layers include a base layer, an interlayer bonded to the base layer, and a top layer bonded to the interlayer. The top layer includes an aluminum manganese alloy and includes a thickness of at least 15 mm. The composite transition joint may bond a current stem to an anode of an aluminum smelter. The transition joint increases the length of the current stem, without impacting electrical conductivity of the current stem.
C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material
B23K 20/00 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
C25C 3/06 - Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
C25C 3/08 - Cell construction, e.g. bottoms, walls, cathodes
C25C 3/10 - External supporting frames or structures
06 - Common metals and ores; objects made of metal
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Metal couplings and joints; metal building materials,
namely, explosion clad structural transition joints;
explosion-bonded clad metals. Welding services, namely, explosion welding and roll bonded
welding.
06 - Common metals and ores; objects made of metal
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Metal building materials, namely explosion clad structural transition joints; explosion-bonded clad metals for construction, building and shipbuilding.
(2) Metal couplings and joints for ship bulkheads, steel hulls, framing, and decks (1) Welding services, namely explosion welding and roll bonded welding
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
13 - Firearms; explosives
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Explosion-bonded clad metals
(2) Equipment and machines for oil extraction from oil fields, namely, hollow carrier and through-tubing gun systems comprising perforating guns, spacer hardware, perforating power tools and accessories used therewith sold as a unit
(3) Electronic controllers and control systems for ignition and explosion processes for downhole use and for well completion; electric and electronic ignition systems for ignition and explosion processes for use in oil exploration; fuse wire for use in ignition and explosion processes for downhole use and for well completion; measuring devices for detonators and ignition systems, namely, a surface tester for testing a fully assembled perforating gun assembly for downhole use and for well completion; transducers for recording shock waves for use in ignition and explosion processes for downhole use and for well completion; remote control transmitter for radio-controlled devices, namely explosives, for use in ignition and explosion processes for downhole use and for well completion; switching strips for use with detonators and ignition systems; programming, control and measuring apparatus for detonators, namely, programmable electronic controllers for use with detonators; electronic and electric ignition systems in particular for explosives and detonating plugs.
(4) Explosives, initiators and detonators, namely, shaped charges, detonating cords and boosters, high-temperature and pressure resistant detonators, detonator igniter, percussion and electronic initiators for use in the oil and gas industry; explosive separation tools for downhole use in the oil and gas industry, namely, oil well shooting explosives; shaped charges having an energetic liner for use in perforating guns in wells, namely an explosive device to complete wells in the oil and gas industry; oil well shooting explosives; oil well perforating explosives (1) Explosion welding of clad metals
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
13 - Firearms; explosives
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Explosion-bonded clad metals. Equipment and machines for oil extraction from oil fields, namely, hollow carrier and through-tubing gun systems comprising perforating guns, spacer hardware, perforating power tools and accessories used therewith sold as a unit. Electronic controllers and control systems for ignition and/or explosion processes for use in oil exploration; electric and electronic ignition systems; fuse wire for use in ignition and/or explosion processes in oil exploration; measuring devices for detonators and ignition systems for testing a fully assembled perforating gun assembly for downhole use and for well completion; transducers for recording shock waves for use in ignition and/or explosion processes for downhole use and for well completion; remote control transmitter for radio-controlled devices for use in ignition and/or explosion processes in oil exploration; switching strips and other electronic control and regulation components for use with detonators and ignition systems; programming, control and measuring apparatus for detonators, namely, programmable electronic controllers for use with detonators; electronic and electric ignition systems in particular for explosives and detonating plugs. Explosives, initiators and detonators, namely, shaped charges, detonating cords and boosters, high-temperature and pressure resistant detonators, detonator igniter, percussion and electronic initiators for use in the oil and gas industry; explosive separation tools for downhole use in the oil and gas industry, namely, oil well shooting explosives; shaped charges having an energetic liner for use in perforating guns in wells, namely, an explosive device to complete wells in the oil and gas industry; oil well shooting explosives; oil well perforating explosives. Explosion welding of clad metals.
09 - Scientific and electric apparatus and instruments
Goods & Services
Programming, control and measuring apparatus for detonators, namely, programmable electronic controllers for use with detonators, the foregoing components sold as a unit with equipment and machines for oil extraction from oil fields
[ Equipment and machines for oil extraction from oil fields, namely, hollow carrier and through-tubing gun systems comprising perforating guns, spacer hardware, perforating power tools and accessories used therewith sold as a unit ] Explosives, initiators and detonators, namely, shaped charges, detonating cords and boosters, high-temperature and pressure resistant detonators, detonator igniter, percussion and electronic initiators for use in the oil and gas industry; explosive separation tools for downhole use in the oil and gas industry, namely, oil well shooting explosives; shaped charges having an energetic liner for use in perforating guns in wells, namely, an explosive device to complete wells in the oil and gas industry; oil well shooting explosives; oil well perforating explosives
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Repair of aircraft engines, ground-based turbines and other
specialized industrial equipment. Welding services, namely, for manufacturers of aircraft
engines, ground-based turbines and other specialized
industrial equipment.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Repair services, namely advanced welding services to manufacturers of aircraft engines, ground-based turbines and other specialized industrial equipment. Welding services, namely for manufacturers of aircraft engines, ground-based turbines and other specialized industrial equipment.
06 - Common metals and ores; objects made of metal
Goods & Services
Explosion-bonded clad metals sold for use in fabricating process vessels, heat exchangers, tubes, rods, machine components and other structures for generalized use in the industrial arts
