31results about How to "Never fall off" patented technology

The invention relates to the technical field of coatings for inner walls and outer walls of buildings, in particular to an inorganic silicate coating, a preparation method thereof and an application of the coating. The inorganic silicate coating is prepared from, by weight, 18-30 parts of deionized water, 0.1-0.8 part of cellulose, 0.5-1.5 parts of dispersing agents, 0.01-1.0 part of wetting agents, 0.01-1.0 part of defoaming agents, 10-20 parts of titanium dioxide, 10-20 parts of ground calcium carbonate, 10-20 parts of talcum powder, 5-10 parts of emulsion, 20-30 parts of modified potassiumsilicate, 0.01-5 parts of stabilizing agents and 0.01-5 parts of hydrophobic agents. The modified potassium silicate is selected from one or more of VB-2837 and INOCOT 955 or K-2837, and the emulsionis selected form one or more of styrene-acrylic ester and pure acrylic emulsion. The coating reaches the standard without a detected VOC (volatile organic compound) and good in fungus resistant and falling-off prevention performances.

The invention discloses a preparing method of a braided tube homogeneously-enhanced type polyvinylidene fluoride hollow fiber film, and belongs to the field of polymer film product preparation. The preparing method includes firstly preparing a polyvinylidene fluoride solution A having a certain low concentration, dipping a braided tube with the solution A to allow the polyvinylidene fluoride solution to penetrate into the inside of the braided tube, coating the outside of the braided tube with a high-concentration polyvinylidene fluoride film casting solution B having a certain formula, and putting the braided tube coated with the solution A and the solution B into a coagulating bath to allow the polyvinylidene fluoride coated in the two times to be subjected to phase separation simultaneously. The polyvinylidene fluoride hollow fiber film prepared by the method is advantageous in that 1) the inner low-concentration polyvinylidene fluoride solution tightly surrounds fibers of the braided tube, is tightly connected to an outer film layer after phase transition, and is not liable to shed; 2) a high-aperture-ratio compact surface layer is formed from the outer high-concentration film casting solution and provides effects of filtration; and 3) the braided tube with high strength provides excellent film fiber longitudinal stretching strength.

The invention relates to a preparation and determination method of a sample for compression of a metal material with high thermal conductivity. The preparation method comprises the following steps of I, preparing a metal cylinder by a sample of the metal material with high thermal conductivity, the metal cylinder having a diameter of [Phi]8 mm-[Phi]10 mm and a length of 10 mm-15 mm, and punching a point at an axial middle point position of the metal cylinder as a marker; II, drilling a blind hole with a diameter of [Phi]1.6 mm-[Phi]2.0 mm and a depth of 1.8 mm-2.2 mm; III, preparing a plug pin by selecting a wire made of a material the same metal cylinder or copper; and IV, putting a negative electrode end of an K-type thermocouple and a positive electrode end of the K-type thermocouple at two sides in the blind hole, and plugging the blind hole with the plug pin. The determination method comprises a step of measuring the sample on a thermodynamic simulation test machine to obtain a stress-strain curve of copper alloy. The preparation and determination method of the sample are simple and practicable; and flow stress test data results are accurate and stable.

This invention discloses a method for producing glass mouse pad for computer. The method comprises: (1) preparing emulsified glass, washing the surface, spraying an acidic solution containing HF 3-7 wt.%, H2SO4 3-5 wt.%, HF gas 58-67 wt.%, K2SO4 6-9 wt.%, HNO3 1-3 wt.% and water 15-25 wt.%, washing the acidic solution with circulating water, and drying; (2) cutting emulsified glass with appropriate thickness, shaping, washing and drying; (3) mixing ink and diluting agent, printing ink onto emulsified glass, baking, taking off printed emulsified glass; (4) strengthening the colored glaze at a furnace temperature of 680-720 deg.C, a wind pressure of 70-90 Pa, and a feeding speed of 1.5-2.5 m/s, and taking off to obtain the final product. The transmission loss DB of the obtained glass mouse pad is within 26-28. The mouse can be precisely positioned, and the surface layer and the bottom layer are not easily worn.

The invention relates to a centrifugation polymerization integrated metal lining nylon wheel and a processing method thereof. The centrifugation polymerization integrated metal lining nylon wheel comprises an MC nylon rope wheel and a metal lining, the front side and back side of the MC nylon rope wheel are both provided with a 3's integral multiple number of reinforcing ribs, a plurality of annular grooves and/or bulges are arranged in a "-" shape along the axial direction on the outer ring of the metal lining, and a part of the MC nylon rope wheel is embedded in the annular grooves, the bulges are embedded into the MC nylon rope wheel, the front end and tail end of the metal lining's inner ring are symmetrically equipped with two or four check rings for holes. The front end and tail end of the metal lining are also provided with seal end covers, in which framework oil seals are embedded. The method reasonably combines metal and engineering plastics together, effectively overcomes the disadvantages of instability and poor strength of plastic products, and guarantees a permanent clasping force between the metal lining and the MC nylon rope wheel.

The invention discloses a polyester film used for bar code printing. The polyester film comprises a polyester film layer, at least one surface of the polyester film layer is covered with a high ink adhesion resin layer, the high ink adhesion resin layer is formed by coating a solution prepared by using a high ink adhesion resin, the high adhesion printing ink resin is obtained through a copolymerization reaction of glycidyl methacrylate, hydroxypropyl methacrylate, N-hydroxyethyl acrylamide and 2-(methacryloyloxy)ethyl acetoacetate mixed solvent and an initiator, contains a large amount of double bonds and ink-wet groups and improves the ink adhesion and printing property, and ink has strong stability on the polyester film and does not shed and has high gloss. The high ink adhesion resin solution is uniformly coated on the surface of the polyester film by adopting a micro-concave roll coating technology through controlling the specific parameters in the process to form a certain thickness in order to make the high ink adhesion resin layer tightly attached to the polyester film layer, and drying tunnel baking is carried out to make the high ink adhesion resin layer and the polyester film layer solidified and compounded in order to realize no shedding.

The invention provides a method for forming patterns on different metals by secondary casting, which comprises the steps of manufacturing a matrix model with a pattern groove according to the shape of a metal object; melting a metal and casting the metal into a matrix with a pattern groove; melting more than one metals with different colors and injecting the metals into the pattern groove of the matrix; and forming metal objects with different colors and patterns on the surface thereof. The patterns formed by the method have the advantages of no detachment, no deformation, and wear resistance.

The invention relates to a rolled plate hoisting gasket, belonging to the technical field of hoisting tools. The gasket comprises a length of arc-shaped bending plate mainly identical to an inner ring of the rolled plate, the bending plate is provided with a vertical baffle along an arc side thereof, an external arc surface of the bending plate and an inner surface of the vertical baffle are respectively provided with ferromagnets at intervals, and an inner arc surface of the bending plate is provided with a bump. In comparison with the existing rolled plate gasket, the gasket provided by theinvention has the following advantages that: 1) with the ferromagnets, the gasket can be closely attached to the inner ring of the rolled plate just by only a small length of the arc-shaped bending plate, and the gasket not only has small volume, low cost and convenient use, but also cannot fall off in the process of use; 2) the vertical baffle can further prevent a nylon hoisting belt from contacting an external end surface of the rolled plate, so that the external end surface of the rolled plate is protected; 3) with the bump, an extrusion force applied on the whole gasket by the hoisting belt can be transferred from a corner of the vertical plate to the bump, so that the extrusion force applied on the inner ring of the cold-rolled plate by the hoisting belt is further reduced, and abrasion of the bending plate and the corner of the vertical plate is avoided.

The invention provides a continuous and multilayer pre-support method of a short downward anchor cable. In the method, by starting from a second layer, after one-step mining stripping backstopping, the pre-support operations are conducted as follows: firstly, drilling downwards inclining drill holes along slightly upper positions of two rib bottom plates of one-step mining stripping; mounting support deformed steel bars in the drill holes and pouring cement paste; utilizing the same one rooting deformed steel bar to connect tails of the support deformed steel bars at the same strip in the one-step mining strpping backstopping together; and performing cemented filling in a stope. Milltailings are filled after two-step mining backstopping. By using the method, look-head, continuous and multilayer supports are performed on an orebody to be mined, so that roof falling in the stope can be completely eliminated.

The invention relates to an automobile electric door lock device comprising an upper lid, a pull rod, a transmission shaft, a middle gear, a small gear, a central spindle, a small motor, a protective sleeve and a lower lid. The upper lid is fixed on the lower lid; one end of the lower lid is provided with the pull rod and the other end is provided with the protective sleeve; the small motor is disposed in the lower lid; the small motor drives the small gear; the small gear drives the middle gear; the middle gear is connected with the transmission shaft; the transmission shaft is connected with the pull rod; and the middle gear is fixed on the lower lid via the central spindle. The automobile electric door lock device is simply structured and rationally designed; on one hand, a traditional single-thread transmission shaft is changed into a three-thread transmission shaft; with the improvement, motion speed of the pull rod is improved by three times; on the other hand, a traditional way of welding the upper lid and the lower lid via a welding way is changed into a buckling technology, so the upper lid and the lower lid can be buckled together; the upper lid and the lower lid can be fixed with firmness and beautiful contour; and the upper lid and the lower lid cannot fall; and the automobile electric door lock device is easy to assemble and adjust.

The invention relates to a preparation method of an ultra-thin and ultra-low dilution rate high-temperature alloy cladding layer for a garbage incinerator, and belongs to the technical field of new material surface protection. The preparation method of the ultra-thin and ultra-low dilution rate high-temperature alloy cladding layer for the garbage incinerator aims at a protection process for preparing the high-temperature alloy cladding layer for preventing high-temperature corrosion of fused salts such as chlorine, sulfur and compounds thereof on a heating surface of the garbage incinerator. The cladding layer has a good anti-corrosion effect on the heating surface of the garbage incinerator, and the service life of the garbage incinerator can be effectively and greatly prolonged; and safe and efficient operation of a garbage incineration power station boiler is guaranteed, environmental protection is achieved, and social harmonious development is promoted.

The invention belongs to the technical field of rivets and relates to a rivet, in particular to a pull ring type rivet. The pull ring type rivet comprises a rivet body and a rivet core. The end, facing the rivet core, of the rivet body is provided with an oblate rivet body head. A rivet body center hole is formed in the rivet body in the axis direction of the rivet body. A rivet head hole is formed in the center of the rivet body head. The rivet core is arranged in the rivet body. The end, facing the rivet body, of the rivet core is provided with an oblate rivet core head. The end, back on to the rivet body, of the rivet core is provided with a pull ring. The end, close to the rivet core head, of the rivet core is provided with a cone fracture part. The end, close to the pull ring, of the rivet core is provided with a rivet core connecting part. The rivet core stretches into the rivet body center hole and the rivet head hole. The rivet core head extends out of the rivet body center hole of the rivet core, and the rivet core head and the end face of the rivet core form front end positioning. The pull ring and the tail end of the rivet core extend out of the rivet head hole. By adopting the pull ring type rivet, a user can conduct riveting by pulling the rivet with the hand without a riveting tool, time and labor are saved, and connection is reliable; the pull ring type rivet is convenient to mount and use, and the connection reliability is improved.

A composite hollow building concrete block with decoration, insulating and load-bearing functions is composed of decorative surface layer, insulating layer, inserting needles and load-bearing hollow building blocks. Said decorative surface layer consists of concrete layer, self-flame-extinguishing polybenzene board, and mixed layer of adhesive, cement and water. Said hollow layer consists of two load-bearing building blocks. Its making method and equipment are also disclosed. Its advantages are high adhesion, insulating nature and durability.