62results about How to "Light weight unit" patented technology

The present invention relates to a composite water-proof material. It is made up by using (by weight portion) 20-70 portions of plant fibre, 10-60 portions of flyash and 5-40 portions of adhesive through the processes of mixing them, die-pressing and polymerization. The described adhesive is formed from maleic anhydride, phthalic anhydride, polyalcohol, styrene or mixture of their homologous compounds, also can include trimeric cyanamide, acrylic acid or rosin and dicyclopentadiene. Its raw material composition also can include 10-40 portions of new and old plastics. Said plate material has strong strength and good water-proof property, so that it has extensive application range.

The invention relates to a bamboo cuttings and powder coal composite water-proof plate and a method for manufacturing the same, the composite water-proof plate is made by blending, press molding and polymerizing 20 to 70 potions by weight of bamboo cuttings, 10 to 60 potions by weight of powder coal, 5 to 40 potions by weight of adhesive and TAIC. The compositions of bamboo cuttings and powder coal composite water-proof plate provided by the invention can also comprises 1 to 12 potions by weight of new and old plastic materials. The bamboo cuttings and powder coal composite water-proof plate has high intensity and favorable water-proof performance; most of the raw materials adopted are the scrap products in industry and agriculture, thereby the environment pollution can be degraded. The bamboo cuttings and powder coal composite water-proof plate can be widely used in the floor manufacturing industry, the furniture industry, the decoration and construction material industry as well as the inner decoration material in automobile industry.

In a projector lens system including at least three lens elements and telecentric on a side of an optical modulator, two of the lens elements located on outer most ends of the projector lens system facing conjugate points of the projector lens system consist of plastic lenses, and an aperture stop of the projector lens system is located between the two outer most lens elements while at least one of the lens elements other than the two outer most lens elements most adjacent to the aperture stop consists of a glass lens. Thereby, the cost and weight of the projector lens system can be reduced while achieving the required optical properties.

The invention belongs to the technical field of special glass production, and provides an ultra clear float solar battery glass production process and a product thereof. The process comprises the following steps: (1) preparing raw materials, (2) feeding and melting, (3) carrying out clarification, (4) carrying out homogenization, (5) carrying out tin stripping molding, (6) annealing, and (7) cutting. With the ultra clear float solar battery glass production process, ultra clear float solar battery glass with a thickness of 2.5 mm can be produced, wherein the glass has characteristics of high transmittance, low reflectivity and light unit weight, and is applicable for photovoltaic industry to be adopted as a photoelectric conversion substrate and a light-heat conversion panel so as to be used for solar battery manufacturing. In addition, with application of the process to produce the ultra clear float solar battery glass, the production cost is low so as to reduce a production cost of the whole photovoltaic industry chain.

The invention relates to a process and equipment for continuously producing and molding dual-extrusion current coating plastic clip net film products. The process comprises the following steps of: uniformly stirring raw materials formed by mixing resin, packing and functional aids, and feeding the mixed raw materials into a twin-screw extruder; setting temperature of the extruder and the temperature of a sheet die; controlling the temperature of a die lip; staring the extruder to make a melted material flow out through the sheet die and introduced into a current coating composite roll; introducing woven cloth between two thin films and subjecting the woven cloth to composite forming; and cooling to finalize, performing roller guiding, edge shearing, flattening and finally rolling to form the clip net film product under the traction action of a traction roller. According to the process and the equipment, the melted raw materials are extruded by the twin-screw extruder, plasticized and stretched through current coating, the surface structure of the film is changed, and micropores are formed between base material plastic and packing materials, so that the density of the film is reduced. Thus, the clip net film product produced by the dual-extrusion current coating molding process has low specific gravity and light unit weight under the condition of same proportions, the equipment has a simple and reasonable structure, the production cost is a quarter of that of gluing equipment, and continuous production and molding are realized.

The invention provides a composite membrane, a preparation method thereof and a solar cell assembly. The composite membrane comprises a moisture blocking layer; a bonding layer covering two opposite surfaces of the moisture blocking layer; and a weather-proof functional layer covering the surface away from the moisture blocking layer of the bonding layer. According to the invention, the composite membrane comprising the moisture blocking layer, the bonding layer and the weather-proof functional layer is used for replacing current common glass as a front end encapsulating material of a solar cell assembly, so while the composite membrane is provided with high light penetration rate, the weather-proof function, anti-ultraviolet-aging performance and waterproof performance thereof are ensured; unit weight of the solar cell assembly is greatly reduced; and the solar cell assembly is lighter and easier to transport and install.

The invention relates to the technical field of optical cables and relates to a triangular cross section drop optical cable and a manufacturing method thereof. An outer sheath layer with an equilaterally triangular cross section coats three fiber units and a reinforcing assembly formed by a central reinforcing member and a central reinforcing member cushion layer to form the triangular cross section drop cable, wherein the central reinforcing member is placed at the midpoint of the equilateral triangle, the three fiber units are rotationally symmetric outside the central reinforcing member cushion layer and are arranged on three center lines of the triangle respectively, the outer sheath layer is provided with acute-angled separation grooves on both sides of each fiber unit, and the angular bisector of each separation groove points to the fiber. The triangular cross section drop optical cable is increased by 50% in fiber density and prevents repeated construction. The central reinforcing member cushion layer uses a foaming process. The central reinforcing member uses a high-flexible aramid fiber rod so as to decrease 30% unit weight. The optical cable is good in bending performance, reduces construction cost and construction difficulty. A tight sleeve layer uses nylon material to improve the anti-pressure ability of the branched fiber. The optical cable is suitable for urban networks and access networks.

The invention discloses an environment-friendly high-flame-retarding blended conductive fabric and a manufacturing process thereof, which are in accordance with safety standards for fabrics for air transportation. The environment-friendly high-flame-retarding blended conductive fabric comprises wool blended yarns and an environment-friendly flame retardant, wherein the wool blended yarns comprise wool yarns and non-wool yarns which may be artificial fibers or metal fibers; and the environment-friendly flame retardant comprises phosphates and nitrides and account for 5 to 30 percent of the weight of the environment-friendly high-flame-retarding blended conductive fabric. The manufacturing process comprises a weaving process and a finishing process of the wool blended yarns, wherein the finishing process comprises a step of adding the environment-friendly flame retardant which comprises the phosphates and nitrides and account for 5 to 30 percent of the weight of the wool blended yarns.

The invention discloses an aluminum alloy formwork trapezoid cross section profile and a unit formwork structure of an aluminum alloy formwork. The aluminum alloy formwork trapezoid cross section profile is an integrally-formed aluminum alloy abnormal-shaped plate and is composed of a groove body and a group of longitudinal reinforcing ribs, wherein the groove is formed by a rectangular panel and two opposite longitudinal side frames on the back face of the panel, and the longitudinal reinforcing ribs are evenly distributed at the bottom of the groove body. The unit formwork structure of the aluminum alloy formwork comprises the aluminum alloy formwork trapezoid cross section profile, transverse side frames, transverse reinforcing ribs and corner reinforcing blocks. The aluminum alloy formwork trapezoid cross section profile and the unit formwork structure of the aluminum alloy formwork, the structure is clear, forming is easy, later-period machining amount of the formwork is small, the machining cost is reduced, it can be ensured that the formwork is low in weight, safe to use and long in service life, the construction efficiency is improved, standardized, systematic and industrial production is easier, formwork assembly and disassembly are fast, easy and convenient, installation is firm and reliable, the construction efficiency is high, and the construction cost is low.

The present invention relates to one kind of composite intermediate peashrub board and its making process. The composite intermediate peashrub board is made with intermediate peashrub in 45-90 weight portions, fly ash in 5-35 weight portions, adhesive in 5-20 weight portions, and initiator in the amount of 0.5-3.5 wt% of the adhesive, and through the steps of cutting intermediate peashrub, dedusting, screening, peeling, milling, applying glue, drying, spreading, pre-pressing and hot pressing. The making process is simple and pollution-free, and uses no-formaldehyde adhesive. The produced composite intermediate peashrub board is environment friendly, water-proof, and suitable for in producing furniture, office equipment, floor board, etc.

The invention discloses a repair tube for overhead transmission lines. The repair tube for overhead transmission lines is characterized in that the repair tube is formed by attaching the inner surfaceof a strip-shaped insulating portion to the outer surface thereof by winding; two ends of the outer surface of the strip-shaped insulating portion are respectively provided with a reverse rib and a raised strip extending in the longitudinal direction; the reverse rib and the raised strip are arranged in parallel; a groove matching the reverse rib is formed at the location, opposite to the raisedstrip, on the inner surface of the strip-shaped insulating portion; when the strip-shaped insulating portion is wound into a repair tube, the reverse rib is embedded in the groove; the surface of thegroove is also provided with a shielding layer; and an adhesive layer is arranged between the reverse rib and the groove; The repair tube for overhead transmission lines is long-strip-shaped before application, and can become cylindrical through self-spiral, so that the diameter of the repair tube can be adjusted, and the overhead transmission lines with different wire diameters can be repaired only by means of the repair tube, and the repair tube is convenient to carry by a line operation worker, thus reducing the transportation cost. The repair tube for overhead transmission lines can fix and buckle the strip-shaped insulating portion which becomes cylindrical through self-spiral by means of the reverse rib and the groove, thus being easy for operation, and being high safety.

The invention discloses a self-floating collision prevention device based on composite materials; and the device coasts a stand column of a marine structure, and floats up and down along with a water level. The device is characterized by forming a ring body by multiple connected collision prevention units; the cross sections of the collision prevention units are fan rings, and the longitudinal sections are ellipses; and the collision prevention units are formed by glass fiber resins, corrugated sandwich steel plates, polyurethane elastomers, inner-layer steel plates and polyurethane foam multilayer composite materials from edge to internal in sequence, wherein an internal space formed by the inner-layer steel plates is filled with polyurethane foams. The self-floating collision prevention device is stable in water property, resistant in corrosion, excellent in impact resistance, and green and environment-friendly.

A power grid transmission line is composed of a carbon fiber composite core and at least one conductive outer layer formed by winding and stranding more than four conductive metal wires having the tile-shaped cross section, the carbon fiber composite core is composed of a carbon fiber central layer, aramid fibers coating the carbon fiber central layer and an epoxy resin layer containing modified graphene; and the modified graphene is subjected to surface modification by adopting polyurethane. The transmission line is longer in service life, the unit weight of the cable is reduced, and the distance between the towers in the conveying process can be increased; the toughness of the carbon fiber composite core is improved, the rigidity is reduced, and the curl performance of the carbon fiber composite core is improved.

The invention relates to a building decoration material, in particular to environment-friendly decorative picture wallpaper which comprises a decorative picture surface layer, a waterproof layer and an adhesive bottom layer. The decorative picture surface layer is a paper decorative picture and is formed by processing crude paper. The waterproof layer is formed by coating an adhesion waterproof material formed by adding a waterproof agent to carrageenan. The adhesive bottom layer is anti-mildew and antibacterial non-woven paper processed by a dig solution. The obtained environment-friendly decorative picture wallpaper has the advantages of being environmentally friendly, capable of optimizing the environment, simple in construction, low in cost, bright and stable in color, simple in use method, friendly to the environment and the like and has good market application prospects.

The invention discloses a prefabricated fabricated ultra-high-performance concrete flue plate structure. The structure comprises a bottom plate, a left side plate and a right side plate, and an inversed-U-shaped structure is defined by the bottom plate, the left side plate and the right side plate; and a plurality of vent holes are formed in the bottom plate, a plurality of fastening pieces fixedly connected with a flue top plate are arranged at the upper edges of the left side plate and the right side plate, and the bottom plate, the left side plate and the right side plate are prefabricated and integrally formed through ultra-high-performance concrete. The prefabricated fabricated ultra-high-performance concrete flue plate structure has the beneficial effects that a factory fabrication mode is adopted, production of flue plates of various sizes can be achieved, and the factory fabrication mode is obviously superior to a cast-in-place mode in product quality; and by adoption of an on-site splicing mode, the working procedures such as on-site formwork erecting, pouring, curing and formwork removal are omitted, and construction efficiency is greatly improved.