57 results about "Expanded metal" patented technology

The current collector comprises a bipolar plate, the bipolar plate comprises a disc and a circular ring, the circular ring surrounds the periphery of the disc, one or more alkali liquor inlets are formed in the first end of the circular ring, and one or more alkali liquor outlets are formed in the second end of the circular ring; the flow field material is arranged on the disc, and the flow field material comprises a plurality of expansion metal grid plates which are sequentially arranged at intervals. The manufacturing method comprises the steps that the diameter of a disc is obtained, and the length and the width of each expansion metal grid plate are determined according to the diameter of the disc, the preset number of the expansion metal grid plates and the preset distance between the adjacent expansion metal grid plates; according to the length and the width of each expansion metal grid plate and the edge contour of the corresponding disc, the raw material is cut to obtain a preset number of expansion metal grid plates; and according to the preset position of each expansion metal grid plate on the disc, the expansion metal grid plates are welded to the disc. According to the invention, the uniformity of the alkali liquor distributed on the bipolar plate can be improved.

Provided is a seal assembly, a method for sealing, and a well system. The seal assembly, in one aspect, includes a pipe having an outer tubular positioned thereabout, the outer tubular and pipe forming an enclosed seal gland. The seal assembly, according to this aspect, further includes expanded metal positioned within the enclosed seal gland, the expanded metal comprising a metal that has expanded in response to hydrolysis to assist in sealing the enclosed seal gland.

A structured cross-channel packing element for a column for at least one of mass transfer and heat exchange between a heavy fluid phase and a light fluid phase. The structured cross-channel packing element comprises at least two adjacent layers made of expanded metal sheets each comprising openings that are surrounded and separated from each other by separating elements. At least two of layers are arranged in a longitudinal direction parallel and in touching contact with each other such that an open space extending from one end to an opposite end of the layers is provided between the layers such that at least one of the heavy fluid phase and the light fluid phase may flow therethrough. A ratio between an average width of at least 50% of the separating elements between adjacent ones of the openings and a sheet material thickness is at least 15.

The utility model discloses a connecting device convenient for assembling a steel screen and a scaffold, which comprises a mounting pipe, a connecting rod and a connecting rod, the mounting plate is horizontally arranged at the end of the mounting pipe, and a notch allowing the mounting plate to be embedded in a sliding mode is formed in the mounting pipe; the pressing plate is vertically arranged at the end part of the mounting plate and is used for pressing the outer edge positions of the upper and lower layers of steel screens; the locking plate is arranged in a wedge shape, the side, close to the pressing plate, of the locking plate is a straight edge, the other side of the locking plate is a bevel edge, and a connecting hole and a mounting hole allowing the locking plate to penetrate are vertically formed in the mounting pipe and the mounting plate in a penetrating mode correspondingly; and the locking mechanism is arranged on the mounting pipe and is used for fixing the locking plate. According to the utility model, the mounting pipe connected with the scaffold, the mounting plate connected with the steel screen and the pressing plate are arranged, and the mounting pipe and the mounting plate are quickly connected through the insertion of the wedge-shaped locking plate, so that the steel screen and the scaffold are quickly assembled, the connection is firm, the operation is simple, and the assembly efficiency is improved.

This article is used, for example, as a formwork material for concrete or mortar or a part thereof. Specifically, as shown in, for example, the front view, a partially enlarged view of an enlarged area surrounded by a dashed line in the reference front view, and the left side view, this article has a structure in which a substantially lattice-shaped frame member composed of a horizontal bar with a diameter of about 6 mm and a vertical bar with a diameter of about 6 mm, which is uneven because only the ends are two connected horizontal bars, and a substantially flat expanded metal mesh material are overlapped by welding. Note that in this article, a horizontal bar three away from the two connected horizontal bars at the end among the two connected horizontal bars at the end and the other four horizontal bars is welded. Further, in the used state, this article can be changed in size according to the circumstances of the construction object by repeating and continuously arranging it vertically and horizontally in the front view as shown in Reference Drawing 1 showing the used state and Reference Drawing 2 showing the used state. In addition, an example of the length (L) of this article shown in the reference front view is about 500 mm.

Provided is an expandable metal plug for use in a wellbore tubular. The expandable metal plug, in one aspect, includes a downhole member positionable proximate a plug and abandonment section in a wellbore tubular, wherein at least a portion of the downhole member comprises a metal configured to expand in response to hydrolysis to seal the wellbore tubular.

The present disclosure relates to the manufacture of expanded metal mesh, and more particularly to a novel expanding blade (100) which may be used for micro-expanding very thin metal mesh foil sheets (12.5μm to 50μm thickness) with a mesh pore size of about 5μm to about 50μm and a porosity (mesh open area) of 10-50%. The expanding blade (100) may have a plurality of expanding teeth (102) with a blade tooth pitch of 15μm to 75μm (400 – 1440 teeth per inch). The disclosure further relates to laser ablation and wire EDM methods of fabricating an expanding blade with the identified tooth pitch and characteristics.

- The invention relates to a metal cooking support (10) compatible with induction heating, having a cooking face and a heating face (12), comprising a metal substrate (2) made of aluminum or aluminum alloy, as well as an expanded metal insert (3) made of ferritic stainless steel, said expanded metal insert (3) being inserted at least partially into the metal substrate (2) on the side of the heating face (12). - According to the invention, the expanded metal insert (3) has a strand thickness of between 0.45 and 1 mm, preferably between 0.5 and 0.6 mm, and a front transparency of less than or equal to 50%, preferably less than or equal to 40%, more preferably less than or equal to 30%. - The invention also relates to a culinary article and an electrical cooking appliance comprising such a metal cooking support (10). - Figure for abstract: Figure 1

To provide assemblies, systems, and methods of lightning strike protection for aircraft composite structures.SOLUTION: The lightning strike protection material assembly 10 includes a lightning strike expanded metal foil layer 16 having a lightning strike expanded metal foil 18 and a resin-infused scrim layer having a non-metallic scrim infused with an infusion resin 45 having a tailored viscosity and a tailored cure profile. The lightning strike protection assembly 10 is configured to be laid up on and co-cured with an uncured composite laminate assembly having a plurality of structural ply layers pre-impregnated with a structural resin. The structural resin has a structural resin viscosity and a structural resin cure profile that are different from the tailored viscosity and the tailored cure profile, thereby preventing intermixing of the structural resin and the infusion resin during co-curing and allowing the infusion resin to effectively encapsulate the lightning strike expanded metal foil 18 and form a cured lightning strike protected composite structure 80 capable of achieving a defined resin boundary.SELECTED DRAWING: Figure 2D

Thermal Interface Material (TIM) (1), in particular for an energy storage device, comprising a plate (2) of expanded graphite, wherein a reinforcement (3) is embedded in the plate (2), wherein the reinforcement (3) is an expanded metal of aluminium or copper or wherein the reinforcement (3) comprises a metallized hook tape or a metallized spacer fabric or a metallized velour or a metallized pole fabric or a metallized woven fabric.

The invention relates to the technical field of composite materials, in particular to a high-performance layered composite material containing copper and aluminum, which is prepared through the following steps: S1, raw material preparation: a pure copper plate and a pure aluminum plate are selected as raw materials, the thickness of the pure copper plate is 8-10 mm, the thickness of the pure aluminum plate is 2-4 mm, and the pure copper plate and the pure aluminum plate are cut into the same size; according to the method, the coating material is evenly attached to the surface of the plate blank, it can be guaranteed that the coating material is evenly attached to the plate blank through oscillation drying treatment, bubbles are avoided, in the circulation treatment of the plate blank, metal particle components in the coating material are subjected to thermal expansion, and the thermally-expanded metal particles can expand the pore structure of the surface of the plate blank; the space between the first plate blank and the second plate blank is tightly filled with the metal particles, it is ensured that the first plate blank and the second plate blank are tightly combined to complete preparation of the composite material, and the situation that the strength performance is affected due to uneven stress of the composite contact face of the composite material is avoided.

A filter (21) comprising a wound expanded metal strip (13) is provided. The expanded metal strip (13) has inlet regions (e.g., layer 1 and layer 2), nozzle regions (e.g., layer 3), and optionally outlet regions (e.g., layer 4 and layer 5). The filter may also include an optional woven wire mesh layer (e.g., layer 6). The filter has a thin wall (39) such that, in an embodiment, the ratio of the thickness (t) of the wall to the outer diameter (OD) of the filter is less than or equal to 0.07, whereby the filter may be lighter and / or have a smaller envelope size than existing expanded metal filters. In an embodiment, a filter (21) may be used to filter and cool a flow of gas generated by rapid combustion of a solid propellant (26) of an airbag inflator (157).

The utility model is suitable for the technical field of building equipment, and provides an external scaffold steel plate net fixing piece which comprises a transverse pipe sleeve and a vertical pipe sleeve which are perpendicular to each other and fixedly arranged. The vertical adjusting sleeve is connected to the vertical pipe sleeve in a sliding mode, and a pressing piece for fixing the positions of the vertical pipe sleeve and the vertical adjusting sleeve is arranged between the vertical adjusting sleeve and the vertical pipe sleeve; the transverse adjusting sleeve is connected to the transverse pipe sleeve in a sliding mode, a pressing piece for fixing the positions of the transverse pipe sleeve and the transverse adjusting sleeve is arranged between the transverse adjusting sleeve and the transverse pipe sleeve, a fixing plate is installed at the end, away from the transverse pipe sleeve, of the transverse adjusting sleeve, and clamping grooves for clamping and fixing the steel screen are formed in the upper side and the lower side of the fixing plate. According to the steel plate net fixing piece, the telescopic pipe is matched with the fixing plate, so that the steel plate net fixing piece has the adjusting capacity in the up-down direction and the front-back direction, the steel plate net is adjusted while being installed, the steel plate net is installed in place at a time, and the one-time installation completion rate of the steel plate net is increased.

The objective is to provide a compact dust collector that can be used in a limited space while minimizing the risk of dust explosions. [Solution] The dust collector 1 comprises a lower body 2 on which a dust collection container 2e is provided and a suction port 2c is formed, a filter section 3 positioned above the lower body 2, and an upper body 4 positioned above the filter section 3. The upper body 4 has a built-in fan 4d and an electric motor 5, and an exhaust port 4c formed therein for discharging gas that has passed through the filter section 3. The lower body 2 has an expanded metal 7 positioned at the suction port 2c to straighten the airflow so that the gas drawn in from the suction port 2c is directed towards the filter section 3.

The invention relates to a porous transport layer (1) for use in an electrolyzer, wherein the transport layer (1) has a plurality of layers (2-4) which are connected to one another, at least one of the layers (2) has a porosity of less than 75%, another layer (3) has a porosity of 75% to 90%, all of the layers (2-4) consist of metal and are integrally bonded to one another, and at least one of the layers (3) consists of a sheet material made of wire or an expanded metal mesh, said sheet material having a main plane and a 3D structuring perpendicular to the main plane such that flow channels are formed in conjunction with an adjacent layer (4, 2).

An atmospheric water generation system has a container and at least one atmospheric water generator within the container. The container may be adapted to collect water generated by the atmospheric water generator. In particular, the container may be a tunnel container, openable at both ends. The floor of the container may be porous, e.g., made with expanded metal, and a collection pan may be placed beneath the floor. The collection pan is sloped downwardly from its sides to its center, and also slopes downwardly from one end to the container to the other. Each end of the container may have a porous panel on which is installed filter material.

The invention relates to a flame arrestor (10) which is designed to prevent the flame propagation of flammable gases from one flow side (18) of the flame arrestor (10) to an opposite flow side (20) of the flame arrestor (10), wherein the flame arrestor (10) comprises a first base body (12) and a second base body (14), wherein the first base body (12) and the second base body (14) are arranged substantially coaxially with respect to a respective central axis (X) formed by the cylindrical shape of the respective base body (12, 14), wherein both the first base body (12) and the second base body (14) are made of expanded metal, wherein the expanded metal of the first base body (12) has a free open cross-section in the range of 10% to 50%, and wherein the expanded metal of the second base body (14) has a free open cross-section of at least 45%.

Form system, comprehensive: a forming device comprising a fluid supply unit that supplies a fluid to a heated metal tube material, and a forming tool that forms a shaped product by bringing an expanded metal tube material into contact with a forming surface; a laser processing unit that cuts a non-product section from the formed product removed from the mold; and a scale removal unit that removes scale from the shaped product that has been cut by the laser processing unit, wherein the formed product is a metal tube with a flange, and The scale removal unit removes the scale by ejecting particles onto an outer circumferential surface of the formed product taken from the molding tool, and does not eject the particles onto an inner circumferential surface of the formed product taken from the molding tool.

The present disclosure relates to the manufacture of expanded metal and to an expanding apparatus for expanding very thin metal foil sheets (12.5pm to 100pm thickness). The subject thin foils will be expanded with sub-millimeter size tooth blades for very small pore sizes, and advanced in small increments for uniform hole or pore distribution. The expanding blade may comprise between 400 and 1440 teeth per inch which may provide a range of pore sizes from roughly 5-6pm up to about 48-50pm. The expanding apparatus generally comprises a polymer concrete machine base, a granite expander frame atop the base, stationary lower blade mount and fixed blade mount, an upper blade actuator assembly including piezo actuator driven reciprocating blade assembly which moves up and down and side to side cooperating with the fixed blade to expand metal passing through the head.

The disclosure relates to lightning strike protection material assemblies, lightning strike protection material systems, and methods of using the same. A lightning strike protection material assembly includes a lightning strike expansion metal foil layer having a lightning strike expansion metal foil, and includes a resin impregnated gridding cloth layer having a non-metal gridding cloth impregnated with an impregnating resin having a customized viscosity and a customized cure profile. A lightning strike protection material assembly is configured for laying on and co-curing with an uncured composite laminate assembly, the composite laminate assembly having a plurality of structural ply layers pre-impregnated with a structural resin. The structural resin has a structural resin viscosity and a structural resin cure profile that differ from the tailored viscosity and the tailored cure profile to prevent mixing of the structural resin and the impregnating resin during co-curing to allow the impregnating resin to effectively encapsulate the lightning expansion metal foil and provide a defined resin boundary. And forming a cured lightning protection composite material structure.

The utility model discloses steel plate mesh correcting equipment which comprises a base, racks are fixedly installed on the base, a stamping die is installed between the racks in a sliding mode, an installation plate is fixedly installed on the tops of the racks, an oil cylinder is fixedly installed on the installation plate, the telescopic end of the oil cylinder faces downwards, and the telescopic end of the oil cylinder faces downwards. The tail end of the telescopic end of the oil cylinder is fixedly provided with a lute head, a first lug plate is arranged in the center of the top of the stamping die, second lug plates are arranged on the two sides of the top of the stamping die, the first lug plate is hinged to the bottom end of the lute head, and the second lug plates are hinged to the two sides of the lute head through the connecting rods. According to the equipment, a large number of steel screens can be rapidly corrected to a certain degree, the steel screen correcting efficiency of the equipment is improved, and meanwhile the labor cost is reduced.

Currently, the only way to secure 10 expanded metal sheets is by tying them together on all four sides, which makes mass production difficult. Therefore, there is a need to find a simpler manufacturing method. Also, if adhesive is applied to the entire surface for fixation, the adhesive will be visible through the gaps, resulting in an unsightly appearance. [Solution] A metal wave plate made by overlapping and fixing expanded metal diagonally to form a single plate, characterized by having different colors applied to the aluminum expanded metal.

A flattened expanded metal strip (9) is wrapped into an airbag inflator filter (21) with the strip oriented such that the flattened rough side (17) of the strip is pointing toward the inside diameter (ID) of the filter and the flattened smooth side (15) is pointing towards the outside diameter (OD). With this orientation, the filter (21) is able to capture more slag than filters made using the standard wrapping method in which the smooth side is oriented inward. The expanded metal can be of various types including, for example, variable expanded metal (VEM) or standard expanded metal (SEM).

Porous transport layer 1 for use in an electrolyzer, wherein the transport layer 1 has a plurality of interconnected layers 2-4, wherein at least one of the layers 2 has a porosity of less than 75% and a further layer 3 has a porosity of 75% to 90%, wherein all layers 2-4 consist of metal and are materially connected to one another, wherein at least one of the layers 3 consists of a sheet-like structure made of wire or of an expanded metal grid which has a main plane and a 3D structuring perpendicular to its main plane, so that in connection with an adjacent layer 2, 4 flow channels are formed.

The invention relates to a downhole tool (200), a method for sealing within a well system, and a well system. The downhole tool (200), in at least one aspect, includes a tubular element (210) and one or more expanding metal sealing elements (270) positioned around the tubular element (210). In at least one aspect, the expanding metal sealing element(s) (270) comprise a metal designed to expand in response to hydrolysis and have a surface area to volume ratio (SA:V) of at least 2 cm⁻¹. Figure 2A

The present application discloses a method for building a steel mesh for scaffolding based on BIM, which involves BIM modeling and includes: obtaining the characteristic parameters of the steel mesh for scaffolding; using the parametric modeling method to establish a three-dimensional solid model of the steel mesh for scaffolding according to the characteristic parameters; performing mesh division on the three-dimensional solid model by using an adaptive mesh division algorithm to obtain finite element meshes; using an adaptive mesh refinement algorithm to identify the stress concentration areas in the finite element meshes and performing mesh refinement on the stress concentration areas to obtain the refined finite element meshes; using a topology optimization algorithm to perform structural optimization on the refined finite element meshes to obtain an optimized three-dimensional solid model of the steel mesh for scaffolding; and using a discrete topology optimization algorithm to perform component layout optimization on the three-dimensional solid model after structural optimization to obtain the final BIM model of the steel mesh for scaffolding. Aiming at the large redundancy in the erection of the steel mesh for scaffolding in the prior art, the present application reduces redundant design.

The present invention discloses an assembling mold and an assembling method for a steel plate reticulated prefabricated composite wallboard. The mold includes a type I template, a type II template, a corner connecting piece and a three-way connecting piece. On the left and right sides of the type I template, there are plug-in parts protruding outward along the height direction thereof; on the left and right sides of the type II template, there are grooves matching the plug-in parts; the end face of the corner connecting piece is of a square structure, and on the adjacent two sides of the square, there are plug-in parts protruding outward. The end face of the three-way connecting piece is of a square structure, and on the three sides of the square, there are plug-in parts protruding outward. The plug-in parts on the corner connecting piece and the three-way connecting piece are arranged along the height direction thereof and are matched with the grooves of the type II template. By using the assembling mold for the steel plate reticulated prefabricated composite wallboard of the present invention, during the prefabrication and installation process of the wallboard, modular design, standardized production, batch production and integral installation are realized, which can effectively shorten the construction period, save costs and improve the forming quality.

The utility model relates to the technical field of leveling devices, and particularly discloses a flattening device for metal expansion net production. The device comprises a flattening roller set, a cleaning assembly used for cleaning roller surfaces of an upper roller and a lower roller of the flattening roller set, a transmission assembly used for driving the cleaning assembly to move and clean the roller surfaces, and a collecting assembly used for collecting cleaned waste materials. According to the flattening device for metal expansion net production, the cleaning assembly, the transmission assembly, the collecting assembly and other parts are arranged, the cleaning assembly and the transmission assembly are matched to sweep the surface of the flattening roller, and sweeps attached to the surface of the flattening roller are swept off; therefore, the possibility that the scraps on the surface of the flattening roller cause periodic defects on the surface of the metal expansion net, influence on the flatness of the metal net and cause reduction of the product quality is avoided, and through arrangement of the collecting assembly, the scraps adsorbed on the surface of the electromagnet are collected into a collecting box, so that the neatness of the device is improved.

A PEM electrolyzer PTL (16) is created from micro-expanded mesh metal foil layers to allow for precise level control of the thickness, porosity, tortuosity, pore size, inter-layer connectivity, and surface roughness of these layers. The pore size ranges from 3 m to 30 m, and the porosity (mesh opening area) ranges from 10% to 50%. A PEM anode pack assembly (10) is formed from a micro-expanded PTL layer and a multi-layer expanded metal flow field and bipolar plate. The three sub-components are diffusion bonded together to form an integrated group and PVD coated on the outer surfaces.

A metallic product such as an audio speaker cover and a related method of manufacturing that has a surface with a cloth-like appearance, yet allows the passage of sound. The metallic audio speaker cover has a base of expanded metal with polygonal openings or woven wire through which the sound may pass, the openings being defined by filaments that provide structural strength; a pretreatment film that adheres to the expanded metal base, and one or more multi-color powder coating films that adhere to the pretreatment film. In some embodiments, the film also has anti-microbial properties.