46results about How to "Consistent material" patented technology

The invention discloses a dyeing and printing technology of a camouflage fabric. The camouflage fabric is prepared by blending and interweaving the following raw materials in percentage by weight: 30%-50% of cotton fiber, 30%-50% of polyester fiber, 10%-30% of spandex fiber and 10%-20% of spun silk fiber. The dyeing and printing technology comprises the following steps: S1 singeing; S2 cold heaping; S3 alkaline washing; S4 mercerizing; S5 ground dyeing; S6 printing; S7 waterproof and flame-proof treatment; and S8 stentering pre-shrinking. According to the dyeing and printing technology of the camouflage fabric, the high color fastness of the dyed ground color and the front and rear stability of the color of the camouflage fabric can be ensured; the camouflage printing requirements can be met; the quality repeatability is good; and the quality index of the finished product can meet the customer requirements.

The invention relates to a method of preparing a porous foam alloy and removing a pore forming material sodium metaaluminate. A metal or alloy composite material is prepared by adopting a pressure casting or sintering method and the pore forming material sodium metaaluminate. After the pore forming material sodium metaaluminate is removed, the porous foam metal or alloy is obtained. The method comprises the following steps: 1) excising an outer coating for the composite material to expose part of or all sodium metaaluminate particles; 2) putting the composite material into a reaction kettle; and 3) dissolving a sodium hydroxide solution with the concentration range of 80-300g/L and immersing the metal or alloy material; heating to 150-350 DEG C and insulating for 0.5-5 hours; then, cooling to room temperature, and obtaining the obtained porous structure material; soaking and washing by tap water or distilled water or ultrasonically cleaning within a short time and removing residual alkali liquor attached to the surfaces of porous metal and alloy to obtain the porous structure metal or alloy material.

The invention relates to an optical fiber collimator. The optical fiber collimator comprises a special lens, an optical fiber and optical structural adhesive, wherein the special lens and the optical fiber are in fusion welding connection with each other, and the optical structural adhesive is bonded on the periphery of a welding point of the optical fiber and the special lens; and the optical fiber and the special lens are made of the same material. The junction between the optical fiber and the lens is unnecessary to polish and coat; by adopting the compression molding technology, the mass production of the lens can be realized; the overall size can be miniaturized to be consistent with the diameter of the optical fiber, so that the optical fiber collimator can be maximally miniaturized and integrated; and fewer components are needed, the optical fiber and the lens can be welded simply by centering, the complicated adjustment of a light path is not needed, the assembling process is simpler, and the cost is lower. The optical fiber and the lens are made of the same material, so that the light passes through the fewest medium layers, and the return loss can be minimized.

The invention provides a mobile power supply, which belongs to the field of electronic accessories. The mobile power supply comprises an input interface, an output interface, a circuit board, a wire, an electric core and a shell, wherein the shell is provided with two openings, and the two openings are respectively corresponding to the input interface and the output interface; the outer side wall of the input interface and the output interface is provided with an anti-water layer made of an elastic material; the anti-water layer is used for filling gaps between the input interface and the output interface and the openings, and areas where the anti-water layer and the openings are contacted are in a compression state. The anti-water layer made of the elastic material is arranged on the outer side wall of the input interface and the output interface, the areas where the anti-water layer and the openings are contacted are in a compression state, the gaps between the openings and the two interfaces are filled, and anti-water performance of the mobile power supply is improved; and in addition, through filling the gaps, the interfaces have less shaking during a plug-pull process.

The invention discloses a combined loudspeaker device and method thereof. The combined loudspeaker device comprises at least two frequency band loudspeakers, wherein the high frequency band loudspeaker is arranged in the middle, and the rest frequency band loudspeakers are arranged at the periphery of the high frequency band loudspeaker in array, thereby enabling the combined loudspeaker to produce excellent sound effect.

The invention discloses a TIG welding method for low-activation martensitic steel. According to the method, a welding wire made of low-activation martensitic steel base metal is used, so that the welding wire and a welding test plate are made of the same material, and the welding matching performance is improved; the diameter of the welding wire is set to be phi 1.6-2.4mm, and the welding test plate is subjected to single-face welding and double-face forming through a TIG welding process; and by controlling process parameters corresponding to welding and heat treatment, a welding joint of thelow-activation martensitic steel is flat, attractive and free of cracks and air holes, and the good performance of the welding joint is guaranteed.

The invention discloses a lightening paste for masonry and plaster of wall, which is characterized in that the invention is produced by the following weight percentage materials: coal ash 70-80%, cement 10-18%, cellulose ether powder 0.1-0.4%, redispersible emulsion powder 1-5%, dehydrated early-strength admixture 2-6% and thickening agent 1-4%. The invention is used the masonry and plaster of wall of the vapor tension aerated concrete blocks, which causes the wall to have good overall effect, strong stability, strong capacity of anti-knock and compressive resistance and be difficult to crack.

The invention belongs to the field of die technique, and particularly discloses a die used for preparing variable-diameter FRP pipe. The main technical proposal is as follows: a long rotation shaft is started by a power mechanism; the rotation shaft is sleeved by at least two cylindrical dies; the cylindrical die consists of a cylinder part and a structure with the end in cone shape, wherein, the cone mouth of the cylindrical die is sleeved on the rotation shaft; the cone mouths of other cylindrical die are respectively sleeved on the cylinder part of the cylindrical die; and the other end of the cylindrical die is respectively and oppositely fixed with the rotation shaft. The die used for preparing the variable-diameter FRP pipe can directly produce the die which can directly produce the variable-diameter FRP pipeline which is integrated into a whole and has no joint seam, and overcomes the defects that the variable-diameter FRP pipeline which is prepared by manual pasting has non-uniform bearing performance and is easy to seep. The die can prepare variable-diameter FRP pipes of different specifications, greatly improves the utilization ratio of the die and reduces the production cost.

The invention discloses a refractory mortar powder which is prepared from the following raw materials in percentage by weight: 46-48% of silica of which the SiO2 content is not less than 96%, 46-48% of residual silica bricks of which the SiO2 content is not less than 92%, 3-8% of refractory brick clay of which the Al2O3 content is not less than 25%, 0.05-0.09% of graphite and 0.03-0.05% of a phenolic resin powder, wherein the residual silica bricks are made of a material of silica bricks constructed by the refractory mortar powder. Due to the adoption of the phenolic resin powder, the adhesionstrength of refractory mortar can be kept at a high temperature, and the medium/high temperature adhesion strength of the mortar can be improved; due to the adoption of the residual waste bricks, themaximal utilization of wastes can be achieved, the service lives of a steel ladle and a furnace can be prolonged, and the refractory mortar powder is applicable to high-temperature furnaces and steelladles.

The invention discloses an electronic detection system test platform for indoor monitoring of different depths of an outdoor real material. By utilizing the horizontal box body and various undergrounddetection materials, an outdoor underground deep-digging multi-scale detection system test environment which is easily influenced by the environment and has potential safety hazards of collapse is changed into an indoor underground electronic detection system test platform. The box bodies are all made of moisture-resistant bamboo boards, the detected materials are actual asphalt, backfill soil, surface soil, deep graphs, moist gravel soil and other materials, and the system can be divided into a working mode and a low-power-consumption mode. Under the working mode, the current of the system is 10mA, and under the low-power-consumption mode, the current is smaller than 1mA, the system can be powered by a battery, and on the premise that the data of the system and the environment are correct, the detector and the identifier detect different materials and depths according to requirements and display the materials and depths by using related instruments.

The invention discloses an embossed ladder step tile pressed with gold. The surface of a tile body is grooved, open grooves and the tile body are simultaneously pressed to be formed, and the interiorsof the grooves and the tile surface are the same in texture; the surface is plated with the gold through a vacuum magnetron sputtering coating process, and beauty and practicability are achieved; anda new gold-plated embossed pattern can be derived after coating and polishing, and the effects of skid resistance, warning, safety and the like can be achieved during using, and a product is beautiful and practical. Anti-skid groove lines of the ladder step tile pressed with the gold is designed on a tile die and prepared through a production process with blank pressing, glazing and sintering being the same as those of the tile body, the inner walls of the groove lines are consistent with the tile surface in texture, and fouling prevention and abrasion resistance are achieved. The embossed tile surface can be matched with a pattern of any texture, and the large-batch efficient production requirement can be met; and during using of the finished tile product, light-emitting devices can be arranged in the embossed grooves, and the great decoration effect can be achieved.

The invention provides a manufacturing method of a green sand casting sprue cup milling cutter. The manufacturing method comprises the following steps of (1) material selection, wherein a common carbon steel plate is selected as a base material; (2) linear cutting, wherein the carbon steel plate is machined into the outline of the milling cutter through the linear cutting technology; (3) blade machining, wherein the working area of the milling cutter is machined through a machining center, and a blade is machined out; and (4) local quenching of the working area, wherein the working area is quenched, the working area is heated to 800-1000 DEG C, after heat preservation is conducted for a certain time, the working area is taken out and put into saline water to be soaked for 3-10 min, and the area except the working area is not subjected to quenching treatment. According to the milling cutter manufactured through the method, the hardness of the working area reaches the standard, a mounting area has good toughness, the structural consistency is good, transition is smooth without concave-convex steps, cost is low, and performance is excellent.