35results about How to "With tensile strength" patented technology

The invention relates to an optical cable connector, and provides an underwater optical cable connector, which is capable of meeting requirements on water tightness and tensile performance, and providing detachable and movable connection. The underwater optical cable connector is characterized in that mutually matched cone structures are arranged on a plug shell and a socket shell respectively sothat the plug shell and the socket shell can be in gapless sealing connection by means of insertion, a sealing connection structure is arranged between a plug and an optical cable, the space between the plug shell and a tensile taper sleeve is sealed by an 'O'-shaped sealing ring, and a sealing tail sleeve for sealing is formed in the space between the optical cable and a tail part of the whole plug by mean of integral die casting. The movable sealing connection structure is arranged between the plug and a socket of the underwater optical cable connector, the two shells are connected by cones, no gap is reserved between the inner cone and the outer cone, the space between the cones is sealed by the 'O'-shaped sealing ring, the inner cone and the outer cone are locked by a connecting nut, and the underwater optical cable connector is simple in structure, reliable in performance, extremely high in water pressure resistance and convenient in connection and detachment.

The invention relates to an I-type medical collagen material keeping an original specific triple-helical structure of collagen, and an extraction method thereof, meninges/spinal meninges biomembrane made from the I-type medical collagen material, and a preparation process of the biomembrane, and application of the biomembrane to preparing meninges/spinal meninges tissue repair materials. The I-type medical collagen material keeping the original specific triple helix structure of collagen has the advantages of low immunogenicity, no foreign body reaction, good biocompatibility and controllabledegradation rate, the prepared meninges/spinal meninges biomembrane has certain stretching resistance strength, repairable and regenerative dura mater/spinal meninges tissue and tissue adhesion prevention/reduction, and the biomembrane is applicable to repair and regeneration of injured cerebral dura mater and spinal dura mater.

The invention relates to an MAX phase ceramic-metal lamellar composite material, a preparation method and a purpose. The MAX phase ceramic-metal lamellar composite material comprises n layers of superposition units, wherein each superposition unit comprises a metal foil layer and an MAX phase ceramic layer attached to the metal foil layer and n is equal to or greater than 2. Ti2AlC powder and metal foil are used as raw materials for the MAX phase ceramic-metal lamellar composite material; a preform is prepared by superposing the metal foil coated with MAX phase ceramic particles; and next, the preform is subjected to pressurization heat treatment, so that the MAX phase ceramic-metal lamellar composite material is obtained. The MAX phase ceramic-metal lamellar composite material is used inthe field of carrying tools, the field of power transmission and transformation or the field of military materials.

The production process of composite type environment-protecting electrical pole includes the following steps: firstly, laying, metal pipe or metal net roll on the conical core mould, packing the binding material made up by mixing rubber powder, polyethylene or/and polypropylene, fly ash, and adhesive according to a certain mixing ratio on the metal pipe or metal net, then press-moulding by means of pressing machine with 200-350 tons and forming mould of pole, removing conical core mould, drying so as to obtain the invented finished product. Said invention is simple in production process, has no secondary pollution, its product performance is stable, can resist high temp. and low temp., its product does not deform in -40-+70 deg.C, and can resist acid corrosino and alkali corrosion.

The invention relates to the field of sanitary articles, provides a preparation method for a disposable pants-type sanitary article, solves the problems in the prior art that the pants-type sanitary article has a complex preparation technology and a high cost, and also solves the problems that a tightening feeling is generated since the outer clothing layer of the disposable pants-type sanitary article obtained by the preparation method in the prior art is poor in flexibility and uneven in elastic distribution. The preparation method comprises the steps of: preparing an outer clothing layer, preparing an absorption body, fixedly arranging the absorption body on the outer clothing layer, welding the outer clothing layer to obtain a pants-type structure, and carrying out slitting to obtain asingle product. The step of preparing the outer clothing layer comprises the following steps of: a: preparing elastic nonwoven cloth; b: sending the elastic nonwoven cloth prepared in the step a intoan activation system to be subjected to activation processing; and c: after the elastic nonwoven cloth prepared in the step b is slit along a longitudinal direction, and compounding the slit elasticnonwoven cloth and spunbond nonwoven cloth into a whole through hot melt adhesives or ultrasonic waves, wherein each piece of slit elastic nonwoven cloth to be independently is positioned on two longitudinal sides of the spunbond nonwoven cloth, so as to obtain the outer clothing layer.

The invention relates to an EPDM heat-insulation layer material, and a preparation method and an application thereof, specifically to a windable EPDM heat-insulation layer material and a preparation method and an application for the windable EPDM heat-insulation layer material, belongs to the technical field of heat insulation of solid rocket motors, and specifically relates to an EPDM heat-insulation material which can be prepared into a raw adhesive tape, is applicable to a winding molding process and has excellent comprehensive performance. According to the invention, through addition of polar rubber into EPDM rubber for reinforcement, an unvulcanized heat-insulation layer material has certain tensile strength, and is easily prepared into a strip-shaped heat-insulation layer and wound into a disk, so continuous molding and mechanized operation can be realized.

The invention discloses a skin-core polypropylene composite plastic high imitation rattan and a preparation method thereof. The high imitation rattan is prepared by the steps of: a. mixing a polypropylene matrix, a toughening agent, a compatilizer, a physical foaming agent, an antioxidant and a pigment, then conducting melt extrusion and foaming to obtain a foamed polypropylene rattan-imitating substrate; b. adding a soluble pore-forming agent, straw glue and inorganic whisker into an organic solvent to prepare a viscous outer wall solution; and c. impregnating the rattan-imitating substrate in the outer wall solution, then conducting washing and drying curing, thus obtaining the skin-core polypropylene composite plastic high imitation rattan. The method has the beneficial effects that: the high imitation rattan prepared by the method provided by the invention has a rough and matt surface, has appearance, texture and density similar to those of natural rattan, also has soft texture like natural rattan, completely achieves the performance of natural rattan, at the same time has high tensile strength and folding endurance, good mechanical properties and good durability, thus having wide application range.

The invention relates to a cellphone fish-finding device comprising an acquisition device and a smart phone. The acquisition device is connected with the smart phone via a USB data line; the acquisition device is formed by a camera, two plug-in holes and two inward-recessed nuts; one plug-in hole is provided with a device controlling vertical or horizontal directions of the camera and positioning balance weight adding device or illuminating equipment is connected to the other plug-in hole; and the two inward-recessed nuts are individually provided with a universal joint handle, a specific rack or a connection rod. The beneficial effects are that the cellphone fish-finding device requires low cost, has small size and light weight, can be conveniently carried and has wide use ranges and high definition; and the cellphone fish-finding device is incomparable in light of price, use performance and use ranges of the equipment of the same kind. The cellphone fish-finding device can be applied to fields of underwater visual fishing, underwater search and rescue, archaeological work, exploration, aquatic product culturing, mechanical maintenance, sewers, wells, piles, bridge piers (including underwater part), communication wells, methane tanks, rescues, anti-terrorism and antiriot work and wars.

The invention discloses a synthetic adhesive three-layer composite non-woven self-adhesive elastic bandage which is prepared from composite cloth base material and protein-free composite adhesive through coating synthetic adhesive, and is prepared from two layers of seam-knitted impregnated non-woven elastic cloth wrapped with one lay of non-elastic hot-rolled non-woven cloth. The invention has certain tensile strength, better self-adhesive strength, better elasticity, high temperature resistance, better sweat absorption ability and better soft touch.

The invention relates to the technical field of composite materials, and specifically discloses an environment-friendly heat-insulation and noise-reduction polyurea composite material. The environment-friendly heat-insulation and noise-reduction polyurea composite material comprises polyether polyol, tri(hydroxymethyl)propane, butyl acetate, isophorone diisocyanate, dimethyl methylphosphonate, a light stabilizer, polyaspartic acid resin, cellulose acetate butyrate, siloxane pigment, mica balls, silicate particles and a defoamer; a fiber texture is heated to 40 DEG C; the surface of the fiber texture is dried; the fiber texture is fixed on conveying rollers; one section of the fiber texture is placed on a fixing clamp; the fixing clamp draws the fiber texture to move forwards through a variable frequency motor under control of a PLC; relative positions of a rolling brush and a scraper to the fiber texture are controlled through sensors; a component A is mixed with a pre-mixed material to form slurry, and the slurry is pumped into a paint box by using a diaphragm pump; paint is extracted into a paint container, which is directly connected to the rolling brush, from the paint box according to a using amount; the slurry is painted on the fiber texture in a rolling manner by using the rolling brush; the slurry is slicked with the scraper and is dried; and then the environment-friendly heat-insulation and noise-reduction polyurea composite material is obtained.

The invention discloses an environment-friendly built-in sealant which is prepared from hydroxyl-terminated polydimethylsiloxane, hydrophobic silicon dioxide, vinyltriethoxysilane, butyl titanate, organic bismuth and the like. The invention also relates to a preparation method of the environment-friendly built-in sealant. According to the preparation method of the environment-friendly built-in sealant, the components are put into a reaction kettle in sequence and are fully stirred under the corresponding conditions. According to the method, the cured dealcoholized silicone sealant can be quickly prepared by adding the vinyltriethoxysilane and has a certain tensile strength in a short time, so that the decoration working efficiency and the quality guarantee can be effectively improved in the indoor decoration industry; by creatively adding butyl titanate and a supplemented organic ruthenium catalyst, the butyl titanate serves as a tackifier for improving polymer adhesion, not only provided rapid cross-linking reaction can be, but also the adhesion of a polymer system is improved, and the curing efficiency and the initial tensile strength in a short time can be further improved.

The invention discloses a C-type-sleeve all-dielectric self-supporting optical cable used for an access network. The optical cable comprises a light unit portion and a bearing component portion. The bearing component portion is a C-type protection sleeve which sleeves an outer portion of the light unit portion. A contact surface of the C-type protection sleeve and the light unit portion is a ''C''-shaped structure. FRP is filled in the C-type protection sleeve. The FRP is arranged at a near open end of the C-type protection sleeve and is served as a reinforcement component of the C-type protection sleeve. In the invention, the brand new C-type self-supporting protection-sleeve all-dielectric self-supporting optical cable used for an access network is exploited. By using the optical cable, manufacturing cost and construction cost of the optical cable are reduced and the novel optical cable with a low price and stable performance is created.

The invention relates to the technical field of office stationery, and discloses a semi-automatic office binding device. The semi-automatic office binding device comprises a bottom plate, a fixing frame is fixedly mounted at the left end of the top of the bottom plate, a driving device is fixedly mounted at the left end of the fixing frame, a rotating shaft is rotatably connected into the fixing frame, a rotating wheel is fixedly connected to the upper end of the rotating shaft, and a screw rod is fixedly mounted at the lower end of the rotating shaft. According to the semi-automatic office binding device, the driving device drives the rotating wheel to rotate, the rotating wheel drives a rotating rod to move, the rotating rod fluctuates a connecting rod to move when passing through a cylinder, the connecting rod pulls an adjusting spring at the lower end to enable the spring to have tensile force, then an extrusion rod is released, and the extrusion rod acts on materials to be bound;and then when the connecting rod rotates on a circular guide rail by a quarter of a circle, the extrusion rod is driven to push the binding device to bind the materials downwards, and therefore the automatic bookbinding effect is achieved.

The invention provides a bionic texture membrane which can provide a new surface treatment mode for a model manufacturing stage, a daily indoor environment, an electronic product and a daily electricappliance in the industrial design research and development process. A traditional surface treatment mode cannot meet the requirements of being non-permanent, replaceable, modifiable and convenient toconstruct, and cannot meet the surface treatment mode that the surface simulates the natural biological surface texture. According to the invention, a novel mode of a texture layer and a plurality offunctional layers is used, the surface texture of natural organisms is simulated, the performance is blended, and the thickness of the membrane is controlled, so that corresponding technical requirements and environmental requirements are met. The bionic texture membrane can be applied to manufacturing modeling design clay models, 3D printing models, numerical control machining models and surfaceeffect performance of various verification models of products in industrial product design, and non-permanent replacement of surface materials of automobile cosmetics, indoor environments, electronicproducts and daily electrical appliances. The personalized needs can be met.