12 results about "Fiber layer" patented technology

A rim and a method of producing a rim for bicycles and the like includes a rim body and a rim base provided thereon and lateral rim flanks provided with rim flanges. The rim flanges include a fibrous composite material having at least one fiber layer. The rim flanges include inwardly overhanging bulges of squashed fiber layers between which a tire can be accommodated at the rim body.

The invention discloses an ultra-light-weight composite environment-friendly fiber board and a preparing method of the ultra-light-weight composite environment-friendly fiber board, and belongs to the technical field of an ultra-light-weight fiber board. The ultra-light-weight composite environment-friendly fiber board is characterized by comprising an upper flame-retardant wood fiber layer, a lower flame-retardant wood fiber layer and a wood fiber and expanded perlite mixing layer arranged between the upper and lower flame-retardant wood fiber layers. The invention also discloses the preparing method of the ultra-light-weight composite environment-friendly fiber board. The ultra-light-weight composite environment-friendly fiber board has a series of advantages that the supporting capacity of a high-rise building partition wall is effectively reduced; the strength of the wall surface is enhanced; the properties such as the impact-resistant property, the folding-resistant property and the nail holding force are good; the heat insulation function, the fireproof function, the sound isolation function, the anti-seismic function and the aging-resistant effect are achieved; the secondary wall surface decoration is convenient; and the attaching force of a decoration surface is strong, and the like.

The invention discloses a combined tool for a carbon fiber aramid paper honeycomb sandwich composite board. The combined tool for the carbon fiber aramid paper honeycomb sandwich composite board comprises a tool bar and a tool bit, wherein the tool bit comprises a first cutting component and a plurality of second cutting components, the first cutting component is used for machining an upper carbonfiber layer and a lower carbon fiber layer of the composite board, and comprises an upper tool disc and a lower tool disc, a plurality of first spiral grooves are formed in the periphery of each tooldisc correspondingly, and first tool teeth of the tool discs are formed between every two adjacent first spiral grooves; the plurality of second cutting components are used for machining an aramid paper honeycomb sandwich layer of the composite board, and the second cutting components are stacked together; each second cutting component comprises two blades which are adjacent to each other up anddown, and a plurality of second spiral grooves are formed in the periphery of each blade correspondingly, and second tool teeth of each blade are formed between every two adjacent second spiral grooves; the second cutting components are located between the two tool discs, and the cutting directions of the first tool teeth of the tool discs and the cutting directions of the second tool teeth of each blade are consistent. According to the combined tool for the carbon fiber aramid paper honeycomb sandwich composite board, synchronous cutting of carbon fiber composite material and aramid paper honeycomb core material can be realized, the machining quality and the machining efficiency are improved, and the service life of the tool is prolonged.

The invention relates to a heatable mattress, which comprises a mattress body and is characterized in that a cladding layer is arranged outside the mattress, a mattress core is arranged inside the cladding layer, has a layered structure, and sequentially comprises a coconut fiber layer, a heating layer, a memory sponge layer and an elastic interlayer from top to bottom, the elastic interlayer is a spring layer, the spring is arranged on a metal skeleton, the shape of the metal skeleton and the shape of the mattress are the same, an electrifying plug is arranged on the cladding layer outside the mattress body and is connected with the heating layer, the heating layer is made from an insulating material, and an electrical heating wire is coated inside the insulating material.

The invention relates to a high safety waterproof anti-radiation fabric. The fabric comprises a fabric body (1). A polyurethane membrane (2) is covered on the surface of the fabric body. Moisture absorbing and sweat releasing fibers (3) are covered on the surface of the polyurethane membrane. The surface of the moisture absorbing and sweat releasing fibers is provided with air vents. A waterproof layer (4) is covered on the surface of the moisture absorbing and sweat releasing fibers. A polyurethane coating layer (5) is covered on the surface of the waterproof layer. The fabric body is made of fabrics. The fabrics comprise a fabric body. A metalized fiber layer is laminated on the surface of the fabric body. The surface of the metalized fiber layer is provided with a conductive film. The smoothness of the fabric is improved, the fabric cannot be contaminated easily, and moreover the fabric has a waterproof and breathable effect. The fabric also has an anti-radiation function and is comfortable to wear.

The invention provides an embedded special-shaped side-by-side cable which enables the structure of the cable to be stable and reliable and reduces the manufacturing cost of the cable. The cable comprises N cables, one of the N cables is a first cable which is a small-diameter cable, the other cables are a second cable,..., an Nth cable, N is 2 or 3, and the outer diameter of the other cables is larger than the outer diameter of the first cable; the cable is coated with a sheath; and a coating fiber layer; the periphery of the small-diameter cable is coated with a cable coating sheath, at least one side of the cable coating sheath is provided with a concave cable arc cavity, and the corresponding cables are embedded in the concave cable arc cavities at the corresponding positions; and the periphery of an integral structure formed by combining the N cables and the cable coating sheath is coated with the coating fiber layer.

The invention provides a method for producing a concentrated nitric acid storage tank by winding carbon fibers. The method comprises the following steps of calculating the winding thickness of a carbon fiber layer; calculating the winding angle of the carbon fiber layer; cleaning a pure aluminum inner container; winding a glass fiber layer; configuring a winding material of the carbon fiber layer; winding the carbon fiber layer; heating and curing materials of the carbon fiber layer; welding a pipe hole; and welding a storage tank supporting seat. According to the method provided by the invention, the concentrated nitric acid storage tank is produced by winding the carbon fiber material; the tank body consists of a pure aluminum inner container layer, the glass fiber layer and the carbon fiber layer; after the stress conditions of the tank body of the storage tank are analyzed by using a layer and plate theory, the winding thickness of the carbon fiber layer is calculated and the winding angle is optimized; and by adding the glass fiber layer, galvanic corrosion of the pure aluminum inner container and the carbon fiber layer can be effectively prevented.