66results about How to "Inlaid firmly" patented technology

The invention discloses a method for embedding gold and silver sheets. The method sequentially comprises the following steps of: sorting pure gold and silver raw materials, and processing; selecting jadestone, and reshaping; carving the surface layer of the jadestone; carving the surfaces of the gold and silver sheets; and embedding the gold and silver sheets. The method has the characteristics of reasonable process design and small using amount of precious metal raw materials, makes the gold and silver sheets firmly embedded and the surfaces honed, and is safe and reliable; a processed finished product has novel appearance, abundant natural scenes are represented incisively and vividly in a gold and silver sheet embedding process, and the finished product is more bright and colorful, more exquisite and magnificent and more stereoscopic and fashionable compared with the original jadestone embedded product; in addition, the jadestone is used as a substrate, perfect value acquired by combining precious metal with the jadestone and unique perception visual sense are highlighted, the process has unique and novel creativity, the combination of the precious metal and the jadestone accords with the tastes of consumers, and the method is extremely unique in China.

The invention aims to solve the technical problems that the existing technological method of gold inlaid with jade mainly relays on handwork and the production efficiency is low, and provides a technological method of gold inlaid with jade, which has high manufacturing efficiency and more elaborate manufacturing. The method comprises the following steps of: pressing 24K gold into 18K gold; b, drawing a planned gold sheet into a 3D figure through a computer; c, inputting the 3D figure of the gold sheet into the control system of a computer engraving machine, and directly engraving the required figure on the gold sheet by the computer engraving machine; and d, processing the jade in a hollow-out way, inlaying the gold sheet figure into the jade, and carrying out laser spot welding by a gold needle to reinforce the connection. The method has the beneficial effects of less gold usage, rapid production speed, higher yield, accurate size, high precision, richer gold sheet figure and more stereoscopic impression.

Strip-shaped solid wood mortise and tenon combined mosaic structure laminated wood is composed of a first spliced plate and a second spliced plate. Crossed battens and T-shaped battens by which the first spliced plate and the second spliced plate are formed through assembly are all of the structures with tenons and mortises, the defects of arc falling edges of strip cylindrical wood mandrels are reasonably overcome, the percentage of outturn is high, and machining is easy. The first spliced plate and the second spliced plate are of a mortise and tenon correspondence structure, the tenons and the mortises are mosaic correspondingly when the two plate timbers are subjected to combined mosaic adhesion, and the combined laminated wood is higher in adhesion area and firmer in adhesion after combined mosaic adhesion. In addition, after combined mosaic adhesion of the first spliced plate and the second spliced plate, original combined splicing points of small square bars adhere in inverted T-shaped and staggered modes, so that the strength of the laminated wood is improved.

The invention provides a metal powder sample preparation method for glow discharge mass spectrometry, which comprises the following steps: putting metal powder to be detected on a conductive substrate, putting the metal powder to be detected and the conductive substrate into a mold together, performing heating and pressurizing, and embedding the metal powder into the conductive substrate to finishsample preparation. According to the method, the metal powder is embedded into the conductive substrate through heating and pressurizing, the metal powder is embedded stably and is not prone to falling off, a high-quality sample for GDMS detection can be prepared, and the success rate can reach 98% or above; by means of acid pickling before sample preparation and use of the mold, impurities on the surfaces of the conductive substrate and the mold can be effectively removed, pollution possibly caused by the sample is reduced, and the accuracy of detection data is improved.

The invention relates to the technical field of protective structures, and discloses a safety protective structure for mountain landslide management. The safety protective structure includes a connection frame, the inner surface of the connection frame is fixedly connected with a steel wire mesh, the front surface of the connection frame is movably connected with a fixing clamping seat, the lowersurface of the fixing clamping seat is fixedly connected with a base, the lower surface of the base is fixedly connected with a fixing assembly, and a splicing assembly is fixedly mounted on the outersurface of the connection frame. According to the safety protective structure, through the additionally arranged fixing assembly, when landslide-prone mountain is reinforced, workers can convenientlyinstall the fixing assembly on the required position, the fixing assembly can be firmly embedded in the mountain, the landslide-prone mountain can be more firmly fixed, through the additionally arranged splicing assembly, the workers conveniently fix the landslide-prone mountain, meanwhile transportation is convenient during transportation, and the transportation space is saved.

The invention relates to the field of safety protection equipment of automobiles, in particular to a connection structure for a safe air bag frame. The connection structure for the safe air bag frame comprises a dashboard, a metal air bag frame located on the inner side of the dashboard, and a metal end plate, wherein the size of the metal end plate is smaller than that of the inner circumference of the metal air bag frame; a through groove communicated with one side edge of the metal end plate is formed in an end surface of the metal end plate; the metal end plate is located at one end of the metal air bag frame, and one end surface of the metal end plate is codirectional with the other end of the metal air bag frame; one side edge of the metal end plate is fixedly connected with one side edge of the metal air bag frame; one end of the metal end plate and one end of the metal air bag frame are inlaid in the dashboard; and grooves connected end to end are formed in the inner side surface of the dashboard along other side edges except one side edge where the metal air bag frame is connected with the metal end plate. According to the connection structure for the safe air bag frame, when a collision accident happens to an automobile, the air bag can be unfolded normally for protection, the effect is good, and scraps of the dash board cannot splash when the air bag is unfolded.

The invention relates to premna microphylla high-fiber noodles and a preparation method thereof. The method first extracts water-soluble dietary fibers and water-insoluble dietary fibers in premna microphylla leaves, then adds the water-soluble dietary fibers and the water-insoluble dietary fibers in premna microphylla into high-gluten flour in different proportions, and adopts a vacuum dough kneading technology to obtain the premna microphylla high-fiber noodles. The premna microphylla high-fiber noodles not only maintain the original cooking character and sensory quality of noodles, but alsohave high dietary fiber content, meet the high fiber requirements, and have an obvious effect of moistening intestines and relaxing bowels.

The invention discloses a tire mold, and belongs to the technical fields of molds. The tire mold comprises a mold body, wherein multiple steel sheets are arranged on the mold body, and are provided with multiple mounting holes penetrating through the steel sheets; pins are inserted in the mounting holes; the extension direction of the pins is perpendicular to the surfaces of the steel sheets; and the pins are embedded in the mold body. The invention further discloses a manufacturing method of the tire mold, which enables the steel sheets and the mold body are firmly combined together and are not easy to separate, prolongs the service life of the tire mold, and is widely applied to the manufacturing of the tire mold.

The invention discloses a high-performance oxygen reduction MnO2-Mn3O4 / carbon nanotube composite catalyst and a preparation and an application thereof. The composite catalyst is prepared by embedding MnO2 nanorods and Mn3O4 nanoparticles into meshes of a carbon nanotube network and / or depositing the MnO2 nanorods and the Mn3O4 nanoparticles on the surface of a carbon nanotube. The preparation method comprises the steps of: dissolving or dispersing potassium permanganate, ammonium chloride and oxidized carbon nanotube into water for hydrothermal reaction; and carrying out cooling, suction filtration, washing and drying on the hydrothermal reaction product to obtain the high-performance oxygen reduction MnO2-Mn3O4 / carbon nanotube composite catalyst. The preparation method is simple and beneficial to industrial production; and the prepared MnO2-Mn3O4 / carbon nanotube composite catalyst is applied to a fuel cell, has the characteristics of high activity and good stability, has approximate overall performance in comparison with a 20wt%Pt / C commercial catalyst and has a good application prospect.

The invention relates to a two-color cable sheath extruded mould with an improved structure, comprising a mould core unit (1) and a mould cover unit (2). The two-color cable sheath extruded mould with the improved structure is characterized by also comprising a mould sleeve unit (3), wherein a mould sleeve side wall (334) is provided with an injection molding hole (333) longitudinally passing through the mould sleeve side wall (334), and a mould sleeve hole (336) formed inside the mould sleeve side wall (334) is communicated with a mounting hole (331) on the front end surface (335) of the mould sleeve unit (3); the surface of the mould cover unit (2) is provided with a diffluent groove (33) and a color separation ring (23), and both of the diffluent groove (33) and the color separation ring (23) are provided with color separation holes (34) passing through the wall of a mould cover body (24) from top to bottom; the diffluent groove (33) and the color separation ring (23) are convergedinto the mould cover body (24), and the diffluent groove (33) and the color separation ring (23) both does not pass through the wall body of the mould cover body (24); the color separation ring (23) is spirally distributed along the surface of the mould cover body (24); and the inner surface of the mould sleeve side wall (334) is provided with a thread matched with screw teeth on the outer surface of the mould cover body (24). The invention has the advantages of simple structure, more even distribution of colored bands and more beautiful produced light, cables and pipelines and easy installing and debugging, and conforms to the principle of viscous body hydromechanics.

The invention relates to a wire cable jacket extrusion mold, in particular to a three-color wire cable extrusion mold, comprising a mold core unit (1), a first mold cover unit (2) and a mold sleeve unit (3). The three-color cable jacket extrusion mold is characterized by further comprising a second mold cover unit (4), a plurality of flow guiding rods (6) and a fluid director (5); and the axes ofa color distribution hole (34) and the axes of the first mold cover unit (2) form an included angle larger than 5 DEG and less than 175 DEG. The three-color wire cable extrusion mold solves the problem in one-step extrusion of three color marks at one pipeline or the out surface of one wire cable. The invention is easy to install and adjust and coincides with the principle of thick fluid hydromechanics better; and with even distribution of color strips, produced optical cables, cables and pipelines are more attractive.

The invention relates to a preparation method of a nickel-cubic boron nitride film. The method comprises the following steps of: firstly cleaning anode / cathode base materials and cubic boron nitride powder; putting the treated anode / cathode base materials and cubic boron nitride powder into a plating solution and electroplating, wherein the plating solution is formed by dissolving boric acid, ammonium chloride, nickel aminosulfonate and a lauryl sodium sulfate solution in deionized water; and applying an ultrasonic wave with the power of 250 to 260W and the frequency of 20 to 40KHz to the plating solution during the electroplating process. By leading the ultrasonic wave into the electroplating process and optimizing the formula and the process parameters of the plating solution, the cubic boron nitride powder in the plating layer of the nickel-cubic boron nitride film generated in the electroplating manner is distributed uniformly and is not agglomerated. In addition, the nickel layer in the film is flat relatively; and the cubic boron nitride powder is not agglomerated in the film and is firmly embedded.