88 results about "Gold foil" patented technology

The invention belongs to the technical field of alloy foil preparation, and particularly relates to a preparation method of a FeCrCoW4.5 alloy foil. Comprising the following steps that N passes of cold rolling are conducted on a FeCrCoW4.5 alloy blank, N is larger than or equal to 3, the deformation amount of each pass of cold rolling is 40-70%, annealing treatment is conducted at the temperature of 1000-1200 DEG C after the last pass, work hardening generated by cold rolling is eliminated, final cold rolling is conducted after annealing treatment till the thickness is 0.06 mm, and the alloy foil is obtained. Through multi-pass cold rolling and annealing combined machining, during cold rolling, a large number of dislocation and other defects can be generated in a material, so that the hardness of the material is increased, and the plasticity is reduced; and annealing is carried out after multi-pass cold rolling, atoms in the material can obtain certain energy, dislocation and other defects are rearranged and combined, and part of the defects are eliminated, so that the hardness of the material is reduced, certain plasticity is recovered, and the comprehensive mechanical property of the material is improved.

The present invention addresses the problem of suppressing deformation such as edge waves, center waves, and warping from occurring in an ultra-thin (50 μm or less in thickness) iron–nickel alloy foil, and the purpose of the present invention is to obtain an iron–nickel alloy foil in which such deformation is suppressed. This iron–nickel alloy foil has a positron annihilation lifetime (PAL) of at least 0.150 ns and can reduce the amount of deformation (the total evaluated amount of deformation such as edge waves, center waves, and warping) relative to conventional products. In order to form a primarily vacant microstructure to achieve a PAL of at least 0.150 ns, an iron–nickel alloy foil can be obtained by manufacturing an alloy block (slab) by HIP treatment and rolling and heat treating the alloy block in accordance with conventional methods.

The application discloses a kind of short process gold extraction devices of waste printed circuit board.It includes separation module, collection module and electrodeposition part.Separation module contains leaching tank, and leaching liquid and cleaning liquid are alternately introduced, and leaching process is strengthened using micro-bubble generator and heater, so that gold foil is stripped from the surface of circuit board;Collection module contains filter and temporary storage tank, for intercepting and collecting gold foil and classifying temporary storage liquid;Electrodeposition part is connected to temporary storage tank, and copper in leaching solution is recovered through electrodeposition tank, and tail liquid flows back to leaching tank to realize closed circuit circulation.The application adopts integrated design, and combines selective leaching and physical interception by micro-bubble strengthening, without complex high-temperature or cyanide equipment, and one step realizes efficient stripping of gold and electrolytic recovery of copper;At the same time, leaching solution is closed circuit, and cleaning liquid is recovered in stages, which significantly shortens the process flow, reduces equipment investment and environmental pollution.

The present invention aims to provide a copper alloy ingot with further improved uniformity of physical properties. The copper alloy ingot of the present invention has a composition containing at least one additive element, and the balance consisting of Cu and unavoidable impurities, the at least one additive element being a trace element at a concentration of 10 to 50 mass ppm, and the deviation in the concentration of the trace element in the length direction being within ±3.5 mass ppm relative to the average concentration of the trace element.

Provided is a high-precision metal mask plate low-expansion alloy foil high-surface quality control method, comprising: sequentially performing hot rolling, pickling to remove the oxide skin, first grinding treatment, first cold rolling treatment, second grinding treatment, and second cold rolling treatment on the alloy foil blank. In the first grinding treatment and the second grinding treatment, the grinding wheel rotates along its own axial direction and performs periodic reciprocating motion along the width direction of the plate / band, and the axial direction of the grinding wheel is perpendicular to the surface of the plate / band. In the second cold rolling treatment, the work roll is subjected to the work roll grinding treatment method for grinding treatment, and the polishing roll is first subjected to the work roll grinding treatment method for grinding treatment and then subjected to the polishing roll polishing treatment method for polishing treatment. Through the method, a high-precision metal mask plate low-expansion alloy foil with a thickness of not greater than 0.04 mm and a horizontal / vertical roughness difference rate of ≤25% is obtained, meeting the high-surface quality requirements of the OLED industry.

This invention relates to a process for manufacturing hot stamping foil for cigarette tipping paper. The process involves preparing a base film layer, release layer, color layer, plating layer, and adhesive layer using biodegradable materials. The base film is prepared by mixing polylactic acid with a cellulose derivative. A wax-based release agent is then coated onto the base film to form the release layer. Next, a water-based pigment is coated to form the color layer. A thin aluminum plating layer is formed using vacuum evaporation. Finally, a biodegradable adhesive is coated to form the adhesive layer. The hot stamping foil obtained by this process is suitable for cigarette tipping paper, possessing certain degradation properties and hot stamping adhesion. The manufacturing process includes raw material preparation, coating, and drying steps, and is applicable to the cigarette packaging industry.

1. Name of the product in this design: Picture frame strip (3560 hot stamping decoration). 2. Purpose of this design: For use as a picture frame strip. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The bottom view is shown in the 3D view, so the bottom view is omitted.

1. The name of the design product: packing box (happy). 2. The use of the design product: used for gold foil product storage and display. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The bottom view is omitted because it is symmetrical with the top view.

This invention discloses a method for preparing EBSD analysis samples of nickel-based resistance alloy foil, comprising: using stainless steel as the cathode and nickel-based resistance alloy foil as the anode, connected to the negative and positive terminals of a constant current and voltage regulated power supply, respectively; immersing the anode and cathode in an electrolytic polishing solution for electrolytic polishing; the raw materials of the electrolytic polishing solution include phosphoric acid, sulfuric acid, hydrochloric acid, hexadecyltrimethylammonium bromide, and water; after completion, removing the nickel-based resistance alloy foil, washing, and drying. The electrolytic polishing solution used in this invention can effectively remove the stress layer on the surface of the foil, resulting in a smooth and clean surface without continuous corrosion pits. It has advantages such as wide availability of materials, simple preparation, low price, and high calibration rate. The electrolytic polishing method of this invention is easy to operate, requires short sample preparation time, has low cost, and stable results, effectively reducing the hardware requirements for foil EBSD sample preparation and facilitating widespread application.

The retro atmosphere lamp with the tungsten filament effect comprises a lamp body assembly, a light source assembly, a support assembly and a control module, and the lamp body assembly comprises an annular lamp holder, a reflecting cover, a front cover plate and a rear cover plate; the reflecting cover is arranged in the annular lamp holder, the reflecting cover is connected with the annular lamp holder through a front cover plate and a rear cover plate, and hammer textures and a 24K gold matte coating are arranged on the inner surface of the reflecting cover; the light source assembly comprises an LED chip, a fluorescent powder coating covering the LED chip and a control circuit. The fluorescent powder coating is configured to output light with the color temperature ranging from 1800 K to 2000 K. The control circuit is used for simulating brightness fluctuation of 0.1-0.3 lux; and the LED chip is positioned in the reflecting cover and is connected with the annular lamp bracket through the lamp holder assembly. According to the utility model, the color temperature and the natural fluctuation lighting effect of candlelight are simulated through the manual hammer pattern gold foil diffuse reflection structure on the inner surface of the reflecting cover and the light source assembly, so that the visual effect of a retro tungsten lamp or candlelight is vividly restored, and the requirements of theater stages, theme hotels and other scenes are met.

The application relates to the field of chemical vapor deposition preparation of two-dimensional layered MA2Z4 thin film materials, in particular to a preparation method of large-size ternary compound MA2Z4 thin films with controllable layer number. A chemical vapor deposition method is adopted, a gold-eighth group transition metal alloy foil is used as a growth substrate, a thin film containing a transition group metal M is deposited, pre-storage of M-A or M-Z sources in the alloy foil substrate is realized through annealing treatment in an environment with an A source or a Z source, a third element Z or A is introduced, and the stored elements precipitated to the surface of the alloy foil are reacted at high temperature not higher than the alloy melting point, the MA2Z4 thin film with controllable layer number is grown by regulating the thickness of the M source and the content of the eighth group transition metal in the growth substrate, and the electrochemical bubbling method is used to transfer the thin film to any substrate. The preparation process is simple, the film forming rate is fast, the thin film size is easy to enlarge, and the method is suitable for the preparation of large-area high-quality MA2Z4 thin films with controllable layer number.

The application provides a double visual effect anti-counterfeiting packaging box, which comprises a box body and a box cover. The back of the box body is provided with a hot stamping area, the hot stamping area is provided with a gold stamping foil, the gold stamping foil is embedded with a micro-text array, and the hot stamping area is recessed into the box body to form a groove. The box cover is provided with a windowed area, the windowed area is provided with a decoding sheet, and the side of the decoding sheet facing the box body is provided with a microlens array matched with the micro-text array. The periphery of the hot stamping area and the periphery of the windowed area are both provided with magnetic attraction assemblies. When the box cover is closed, the gold stamping foil is exposed on the back of the box body and presents a metallic luster. When the box cover is opened, the box cover is attached to the back of the box body through the magnetic attraction assemblies, the decoding sheet is embedded into the groove, the microlens array and the micro-text array are superimposed and single-point accurately aligned, and a moire magnified image is presented. The gold stamping foil embedded with the micro-text array is arranged on the back of the box body, the decoding sheet provided with the microlens array is arranged on the box cover, and the box cover is attached to the back of the box body to present a moire magnified image.

A hot rolling method of molybdenum-ruthenium alloy foil sheet, comprising the following steps: 1) preparing a molybdenum-ruthenium alloy blank plate with a density greater than 92%, a thickness of 10-30 mm, and a ruthenium content of 15-45 wt%; 2) hot rolling the molybdenum-ruthenium alloy blank plate, heating the molybdenum-ruthenium alloy blank plate in a heating furnace before each pass, and annealing once every 2 passes until a molybdenum-ruthenium alloy plate with a thickness of 2-5 mm is obtained; 3) fixing the molybdenum-ruthenium alloy plate in a transfer heat preservation tool, and then placing them together in a heating furnace for heating; 4) after heating, transferring the molybdenum-ruthenium alloy plate with the transfer heat preservation tool to a two-roll rolling mill, and hot rolling the molybdenum-ruthenium alloy plate, heating the molybdenum-ruthenium alloy plate with the transfer heat preservation tool in a heating furnace before each pass, and then transferring the molybdenum-ruthenium alloy plate with the transfer heat preservation tool to the two-roll rolling mill, annealing once every 2 passes until a molybdenum-ruthenium alloy foil sheet with a thickness of 0.1-0.2 mm is obtained.

The invention relates to the technical field of gold stamping equipment, in particular to an adjustable gold stamping foil winding mechanism which comprises an L-shaped frame, a supporting plate is fixedly connected to the inner bottom face of the L-shaped frame, a T-shaped frame is fixedly connected to the inner wall bottom face of the L-shaped frame, and two right-angle frames which are symmetrically arranged are fixedly connected to the inner wall bottom face of the L-shaped frame; the side wall of the right-angle frame located in the front is fixedly connected with a flat plate frame, and the side wall of each right-angle frame is rotationally connected with a connecting plate. Through the arrangement of a first stop lever, a moving block and a linkage mechanism, the precise control and automatic cutting functions of the rolling amount are achieved; the connecting rod mechanism is triggered to drive the rack to move downwards, the driving gear rotates to enable the second stop lever to release the cutting knife, the second spring instantly drives the cutting knife to cut downwards to complete foil breaking, manual intervention is not needed in the process, and the cutting-off precision and the production continuity are remarkably improved.

A self-folding and / or self-rolling fabric, such as, for example, a towel or the like, comprises an internal structure of a memory material such as, for example, a metal or metal alloy wire, a metal or metal alloy foil, a polymeric material, or combinations thereof having a memory. When the memory material is heated, such as within a common heat-generating clothes dryer, the memory material reforms into a shape, thereby imparting the shape onto the fabric.

The invention relates to the technical field of nickel-chromium alloy materials, in particular to a high-stability temperature coefficient nickel-chromium-based alloy foil and a preparation method thereof.The preparation method comprises the following steps that S1, composite powder is prepared for standby application; s2, 60-70 parts by weight of nickel powder, 20-25 parts by weight of chromium powder, 3-6 parts by weight of iron powder and 2-5 parts by weight of molybdenum powder are weighed and subjected to dry mixing with 2-8 parts by weight of the composite powder, and mixed powder is obtained; and S3, the mixed powder is loaded into a mold, a blank is pressed and then subjected to vacuum sintering, then hot rolling, multi-pass cold rolling and intermediate annealing are conducted, finally low-temperature annealing is conducted for 2-3 h at the temperature of 400-450 DEG C, and the nickel-chromium-based alloy foil with the high stable temperature coefficient is obtained along with furnace cooling. According to the method, lattice gaps are filled with the base material to restrain distortion, titanium carbide hinders element diffusion, the auxiliary material forms a low-expansion rigid supporting point, plasma activation and coupling modification are combined, the influence of lattice distortion and element diffusion on the temperature coefficient is reduced, and the temperature coefficient stability of the alloy foil is effectively improved.

1. Name of the product in this design: Screen Mirror (Gold Foil). 2. Purpose of this design: For use as a screen mirror. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. Name of this design product: Enamel Appreciation Vase (Plastic and Gold Foil Floral Design). 2. Purpose of this design: For use as a decorative ornament. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

The application discloses a preformed pattern accurate positioning gilding machine and belongs to the technical field of printing and packaging machinery. The gilding machine comprises a storage platform, a feeding mechanism, a stamping unit and a discharging mechanism which are sequentially arranged along a straight line, and a grabbing mechanism is arranged on the side of the storage platform and the feeding mechanism; the storage platform is driven by a linear module to adaptively lift a discharging plate, and the grabbing mechanism realizes automatic transfer of paperboard by a linear sliding table and a suction cup; the feeding mechanism ensures accurate conveying of the paperboard by a conveyor, a blocking mechanism and an alignment mechanism; the stamping unit is a core improved part, a gilding paper conveying mechanism conveys gilding paper containing a preformed partial gold foil pattern patch and an identification label, label information is read by an identification identifier to dynamically adjust the position of the gilding paper, and the gold foil is accurately transferred by cooperating with a heating roller and a pressing roller of the stamping mechanism; and the discharging mechanism realizes automatic collection of the paperboard by an inclined guide plate. The gilding machine has high gold foil utilization rate, greatly reduces cost and is suitable for partial gilding requirements in the fields of packaging and paper products.

The application discloses an optimized annealing process of N07718 high-temperature alloy foil strip, which comprises the following steps: S1, unwinding, the strip is loaded into an unwinder, the strip is made flat by a straightening roller to enter an annealing furnace; S2, protective gas is filled into the annealing furnace; S3, a gradient temperature rise is carried out on a preheating zone of the annealing furnace, and the temperature of the preheating zone is 300 DEG C-500 DEG C; S4, a heating zone of the annealing furnace is kept warm, the temperature of the heating zone is 1040 DEG C-1060 DEG C, and the strip passes through the heating zone at a speed of 5 m / min-7 m / min; and S5, a fan is used to rapidly cool the strip after annealing. Compared with the prior art, the application can solve the problem of low intermediate heat treatment efficiency of the existing N07718 high-temperature alloy, and the problem of affecting production efficiency is solved.

1. The name of the design product: ceiling lamp (gold foil resin cover). 2. The use of the design product: indoor lighting. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention discloses an antioxidant copper-based alloy foil tape. The surface of the foil tape is provided with a composite protective film layer; the composite protective film layer comprises a transition bottom layer formed by plasma electrolytic oxidation and a nanocrystalline tin-indium alloy hole sealing surface layer formed by electro-deposition from inside to outside; the total thickness of the composite protective film layer is 15-30 [mu] m. According to the invention, a composite structure of a plasma electrolytic oxidation bottom layer and a nano tin-indium alloy surface layer is created for the first time, so that the foil tape has excellent oxidation resistance and corrosion resistance through the synergistic effect of multiple mechanisms such as physical isolation, chemical passivation and electrochemical protection. Meanwhile, the conductive function is mainly borne by the high-conductivity nano metal layer on the surface layer, the bottom layer is designed to be extremely thin, and the conductivity is optimized through element doping, so that the influence of the composite film layer on the intrinsic conductivity of the substrate is reduced to an extremely low level; and the core contradiction that the protection performance and the conductivity are mutually restricted in the traditional surface treatment technology is successfully solved.

To provide an electrolytic Ni-Cr alloy foil that can be produced by electrolysis.SOLUTION: An electrolytic Ni-Cr alloy foil is composed of Ni, Cr and impurities and has a brightness L* of 30 or more.SELECTED DRAWING: None

The utility model discloses gold foil processing and cutting equipment, which belongs to the technical field of gold foil processing and cutting and comprises a bottom plate, supporting legs are arranged at corners of the lower end of the bottom plate, a conveying belt is arranged on one side of the upper end of the bottom plate, a mounting frame is arranged in the center of the upper end of the bottom plate, and a limiting roller is arranged on the side edge of the lower end of the mounting frame. A waste collecting roller is arranged on the side edge of the upper end of the installation frame, an installation plate is arranged on the side, close to the installation frame, of the upper end of the bottom plate, a guide roller is arranged at the upper end of the side edge of the installation plate, and an unwinding roller disassembling and assembling mechanism is arranged on the side, close to the installation plate, of the upper end of the bottom plate. According to the unwinding roller replacing device, the two-way lead screw is rotated through the adjusting assembly, the nut block drives the supporting plate to move, the unwinding roller body is easily released or fixed, the unwinding roller replacing efficiency is greatly improved, time waste caused by unwinding roller replacing is reduced, and the equipment damage risk is reduced.

This invention belongs to the field of digital printing and hot stamping technology, and relates to a 3D gold foil transfer machine. It includes a frame, a manual transfer cart, a handling mechanism, a transfer mechanism, a 3D printing mechanism, a gold foil pressing mechanism, and a receiving platform. During operation, the paper is manually placed on the manual transfer cart for positioning. The handling mechanism transfers the paper to the first transfer platform of the transfer mechanism via vacuum adsorption. The 3D printing mechanism then completes the printing of the three-dimensional image. The first and second transfer platforms move alternately along cam slides, rapidly switching between workstations. The gold foil pressing mechanism precisely presses the gold foil onto the printing area, and the receiving platform automatically collects the paper. This invention integrates 3D printing and gold foil hot stamping, achieving parallel operation of the printing and pressing processes through an alternating transfer platform. It boasts advantages such as high automation, stable operation, and high yield.

The application discloses a kind of high-efficiency transfer gold stamping machine and its use method, belong to gold stamping machine technical field, including rack, rack is along paperboard in and out direction, is sequentially provided with unwinding roller, pressing device and winding roller, processing center is fixedly arranged on rack, cutting assembly for cutting gold stamping foil is arranged between pressing device and winding roller, monitoring device is arranged between pressing device and cutting assembly, unwinding roller and winding roller are all realized quick replacement by quick replacement component.This kind of high-efficiency transfer gold stamping machine and its use method of the application, through the complete monitoring view of gold stamping foil surface is built by industrial camera, then combining with the image processing algorithm based on deep learning, accurately identify the data such as already pressed and ironed area and unused area, and based on data command cutting assembly divides gold stamping foil into available area and waste area, improve the use rate of gold stamping foil, reach the effect of cost reduction and efficiency increase.

This invention discloses an anti-creep Bi-In-Sn fusible alloy foil, comprising an inner alloy sheet and a metal fiber mesh covering the surface of the alloy sheet, wherein the alloy sheet is a Bi-In-Sn alloy. The anti-creep Bi-In-Sn fusible alloy foil of this invention employs a metal fiber mesh coating on the fusible alloy to: 1) secure the fusible alloy sheet, suppressing the risk of cracking during subsequent rolling and improving the yield of the foil alloy; 2) enhance the strength and toughness of the alloy foil body, making it less prone to cracking during use and transportation; and 3) when brazing brass temperature control components, the metal fiber mesh partially dissolves into the brazing seam, playing a solid solution strengthening role and delaying the high-temperature creep of the component to a certain extent; simultaneously, the unmelted metal fiber mesh in the brazing seam acts as a pinning agent to prevent component deformation, significantly improving the creep resistance of the component.

The utility model discloses a multilayer alloy foil resistor which comprises an insulating substrate and a resistor body arranged below the insulating substrate in an attached mode, grooves are formed in the top sides of the two ends of the insulating substrate, copper plates are arranged on the bottom sides of the two ends of the resistor body, and the two ends of each copper plate are fixedly connected with copper columns. The multi-layer alloy foil resistor comprises a plurality of copper columns, the copper columns upwards sequentially penetrate through the resistor body and the insulating substrate and then extend into the grooves, inserting blocks are arranged at the upper ends of the copper columns, insulating locking strips are inserted into the grooves, inserting grooves in sliding fit with the inserting blocks are formed in the bottom sides of the insulating locking strips, and U-shaped electrodes are further arranged at the two ends of the multi-layer alloy foil resistor. One inner side wall of the U-shaped electrode is in contact with the upper side surface of the insulating substrate in an attached manner, and the other inner side wall is in contact with the lower side surface of the copper plate in an attached manner. The multi-layer alloy foil resistor has relatively high assembly precision for the assembly between the resistor body and the insulating substrate.

An automatic weaving machine for gold foil sheet includes a mounting seat, a guide assembly, a separating assembly, a clamping assembly, a weaving assembly and a clamping and pulling assembly; the mounting seat includes a base and two groups of vertical plates which are parallel and spaced apart and installed on the base, the guide assembly, the separating assembly, the clamping assembly and the clamping and pulling assembly are all installed on the mounting seat and arranged in sequence from top to bottom, and the weaving assembly is installed on the guide assembly and its lower end is located between the separating assembly and the clamping assembly; the weaving assembly includes a movable lifting rod, an upper top plate, a lower pressing plate, a mesh pressing plate and a weaving driving cylinder. The automatic weaving structure is designed, compared with the traditional manual weaving, the efficiency is higher, and the quality of the woven product is more uniform and high-quality; the guide assembly is designed to constrain and guide the process of the silk thread feeding, which can greatly reduce the problems such as winding and interference during feeding; the utility model has strong practicability and strong popularization significance.

The application relates to the technical field of metallurgical preparation, and discloses high-hardness gold as well as a preparation method and application thereof. The gold is made of high-purity base gold, special joint alloy and high-purity pure gold foil. During preparation, the special joint alloy containing platinum, zinc and antimony is folded by multiple layers of high-purity pure gold foil and is cold-pressed to be sealed. The base gold is melted and cooled to 1065-1085 DEG C, then the coated and pressed product is pressed into deep gold liquid to be fixedly released, and high-hardness gold is prepared through homodromous stirring, temperature rising pouring, quenching and cooling and demolding. Through the coating and deep-layer oxygen-free melting technology, the invention inhibits the oxidation and slagging of trace elements and the composition segregation, maintains the gold purity standard, constructs a synergistic strengthening network, improves the Vickers hardness and the cold working plasticity of the thin strip material, solves the problems of easy fracture of the thin strip and easy indentation and deformation of the thin-wall jewelry product, and is suitable for the manufacturing of light-weight thin-wall jewelry.