59results about How to "Good deformation recovery" patented technology

The invention provides a tyre filled with compound elastomer material and a preparation method thereof. The method comprises the steps: filling pretreated rubber into an inner cavity of the tyre; installing a wheel felloe; mixing prepolymer component A and assistant agent B of polyurethane, and injecting the component A and the component B into the inner cavity of the tyre by pressurizing equipment by an air nozzle; filling gaps among rubber granules; thoroughly filling to enable the pressure to achieve the specified requirement of the tyre; keeping the pressure of a sealing air nozzle and curing the polyurethane material to obtain a product. The tyre filled with the compound elastomer material has the advantages of better buffering performance, longer service life, anti-exploding performance, anti-puncture performance, inflation-free performance, maintenance-free performance, high carrying capability and the like of an ordinary solid tyre and is especially suitable for use under special conditions such as mines, quays and the like.

The invention belongs to the technical field of asphalt, and discloses a modified biological asphalt material, a preparation method thereof and an application of the material. The modified biologicalasphalt material comprises, by weight, 30-78 parts of biological asphalt, 10-15 parts of modified agents, 0.2-0.6 part of mineral fibers, 1-3 parts of stabilizing agents and 10-25 parts of solvents. According to the modified biological asphalt material, special modified agents are selected, softening points and viscosity of the biological asphalt are improved, high-temperature stability of the biological asphalt is improved, mineral fibers have excellent performances of high strength, corrosion resistance and high-temperature resistance and the like, and deformation resistance of the biological asphalt is improved by the mineral fibers. According to the modified biological asphalt material, the biological asphalt is modified by adding the modified agents, the mineral fibers and the stabilizing agents, and high-temperature stability, low-temperature stability and deformation resistance of the biological asphalt are improved, so that the prepared modified biological asphalt material hasgood bearing capacity, deformation recovery capacity and high-temperature rut resistance.

The invention discloses a beam and column friction energy dissipation joint for a laminated wood structure. The beam and column friction energy dissipation joint comprises a connecting piece fixedly connected to the end of a wood beam or the side wall of a wood column, the connecting piece connects the wood beam with the wood column through a force bearing piece, and the wood beam is arranged perpendicular to the wood column. The connecting piece is connected with the wood column and the wood beam through common bolts correspondingly, and finally shape memory alloy is tensioned at reserved holes in the upper side and the lower side of the joint to form the laminated wood structure beam and column friction energy dissipation joint, the laminated wood structure beam and column friction energy dissipation joint has the advantages that through rotation of the joint, relative displacement between the beam end bolt and laminated wood is reduced, therefore, the cross grain tension effect of beam end wood is reduced, and the damage, caused by premature cross grain splitting of the beam end, to the overall structure is avoided; and meanwhile, the joint has good energy dissipation capacity and safety through the mode of early-stage rotating friction and later-stage bolt yielding.

The invention discloses a polyurethane soft foam material for curing ballast beds and a preparation method thereof. The polyurethane soft foam material is prepared from following raw materials: a material A, a material B and a catalyst material C, wherein the material A includes the following raw materials: polyether polyol, a small-molecular chain extender and a foaming agent; the material B is a pre-polymer prepared from isocyanate and polyether polyol; the material C is a catalyst and the weight ratio of the material C to the material A is 1.2-1.4:100. The catalyst is stannous ricinelaidate. In a moulded sample being not more than 350 kg/m<3> in density, the polyurethane soft foam is not less than 0.6 MPa in tensile strength, is not less than 200% in break elongation rate, is not less than 500 N/m in tear strength and is not less than 25 kPa in compression strength. The polyurethane soft foam material has excellent deformation recovery situation with compression set being not more than 10% and satisfies an aging standard, has more convenient construction advantages on the basis of activity and foam rising height of materials being casted in railway ballasts at different temperatures.

The invention discloses a medical marking device for positioning. The medical marking device comprises a marking body and a first anchoring structure; the first anchoring structure comprises a fixed section, a first extension section and a first spiral section; the fixed section is nested into the marking body; the starting end of the first spiral section is arranged at the first end of the fixed section and extends in a direction far away from the fixed section; the first spiral section is arranged at the first end of the first extension section; the termination end of the first spiral section is located in the extension direction of the first extension section and separated from the first end of the first extension section by a distance. The medical marking device for positioning is used for solving the problem of lack of a medical device which can be positioned and identified easily and is not easy to move and capable of surrounding a focus in the prior art.

The invention provides a portable integrated electric inflatable tent bag which comprises a bag body, a folded tent body, a one-piece sleeping bag, a control circuit, an electromagnetic valve, an electric pumping two-way air pump, a storage battery, a tent top lamp and a head top lamp. The whole bag type integrated structure is adopted, an electric inflating and deflating system formed by the electric pumping two-way air pump, the storage battery and the like is utilized, in the inflation process, small air cushions arranged in the bottom of a tent swell fast to form an air mattress, the small air cushions swell to form peripheral air walls in a resulting force mode, the side face and the one-piece top are expanded to support the tent, and therefore the purpose of automatically and fast inflating and supporting the tent can be achieved; when the tent is collected and deflated, the purpose of fast deflating and automatically and fast collecting the tent can be achieved. The portable integrated electric inflatable tent bag has the functions of the one-piece sleeping bag, a tent top lamp power port, a head top lamp charging interface and the like; the putting-up and collecting efficiency is high, carrying and use are convenient, the structure is simple, the size is small, the heat-preserving effect is good, the appearance is attractive, use is wide, and the tent bag is suitable for various occasions such as field camping.

The present invention belongs to the field of clothing accessories technology, in particular, it relates to a new type garment interlining and it sproduction method. Said garment interlining includes warp yarn and weft yarn. The weft yarn is made by using 1. polyester filament and 1-3 cotton yarns through the rotary interweaving process. The method for producing said garment interlining includes the conventional procedures of warping, copping, weaving and after-finishing, etc.

A touch panel including a first substrate, a second substrate, a first sensing layer, a second sensing layer, and a plurality of spacers is provided. The second substrate is parallel to and opposite to the first substrate in a top-bottom manner. The first sensing layer is disposed on the first substrate and located between the first substrate and the second substrate. The second sensing layer is disposed on the second substrate. The spacers are located between the first sensing layer and the second sensing layer, and the spacers includes a plurality of movable first spacers and a plurality of second spacers fixed on the second substrate, wherein each of the first spacers is surrounded by a portion of the second spacers.

The invention relates to a corrosion-resistant navigation mark and a processing method thereof. The navigation mark comprises a navigation mark lamp, a bracket, a floating body and a positioning anchor. An outer surface of the navigation mark is provided with a corrosion-resistant coating layer. An upper end of the bracket is fixedly provided with an observation platform. The navigation mark lampis installed on the observation platform. A lower end of the bracket is provided with a base. The base is fixedly connected with the floating body. The floating body is connected with the positioninganchor through a connecting device. The floating body is filled with a high molecular foaming material without a clearance, so buoyancy of the navigation mark is improved. The processing method adoptsa combined structure, operation and installation are convenient, and later-period maintenance cost is reduced. The corrosion-resistant navigation mark is capable of solving problems existing in an existing navigation mark that corrosion resistance is poor, maintenance charge is high, and service life is short and the like. The corrosion-resistant navigation mark has the advantages of light structure, good corrosion resistance, good shock resistance, good stability, no deformation under severe conditions, difficult wearing and convenient use and maintenance.

The invention relates to modified asphalt with high elastic resilience. The modified asphalt with high elastic resilience is prepared from, by weight, 60-75% of Venezuela crude oil matrix asphalt, 15-30% of catalytic slurry oil solid-off oil, 7-20% of Venezuela crude oil heavy constituent oil, 2-5% of a modifying agent and 1-5% of a cross-linking agent. The preparing method comprises the following steps that prepared raw materials enter a pre-mixing tank to be pre-mixed, the pre-mixing temperature is controlled to be increased to 180 DEG C, and the modifying agent is added; the mixture is sheared through a colloid mill after mixing; a sheared semi-product enters a dissolving and expanding tank for dissolving and expanding; the sheared semi-product is then subjected to secondary shearing through a colloid mill pump and enters a reaction tank for a reaction, and a semi-product is obtained; the semi-product is sheared by a colloid pump again and then enters a development tank for development. The modified asphalt has good resilience, excellent deformation recovery capability and good self-healing capability, and can also be applied to production of waterproof roll products.

The present invention relates to a gelatin particle, which is a thermally crosslinked non-porous spherical gelatin particle having a circularity of 0.8 or more and a dry particle diameter of 20 to 1,600 μm. The average volume swelling ratio of the gelatin particle in a case where the gelatin particle is immersed in physiological saline at 23° C. is from 200 to 2,000% relative to an average volume of the gelatin particle in a dried state. As for a swollen gelatin particle, it is preferable that the gelatin used has a jelly strength of 80 to 120 g and the swollen gelatin particle has a particle diameter of 50 to 2,000 μm. The gelatin particle can be used for blood vessel embolization and also for controlled release of physiologically active substance.

The invention discloses a preparation method of a GOP/CNF composite material with a water-induced deformation memory function. The preparation method comprises the steps of firstly, preparing one-dimensional cellulose nanofibers (CNF) from cotton fibers as a raw material, then adding a certain mass ratio of two-dimensional graphene oxide nanoplates (GOP), mixing the two through solution casting, performing phase separation regeneration by using ethanol as a coagulant to form a gel with GOP plate-like intercalation and CNF entanglement crosslinker, and forming the GOP/CNF composite sheet material through hot pressing. The composite material prepared by the method not only has the advantages of certain tensile breaking strength, certain elongation at break and good thermal stability, but also has the water-induced deformation memory function, and can be widely applied in the fields of biomedicines, biosensors, smart wears and the like.

The invention discloses a built-in sensor and a method for monitoring the internal strain of a concrete structure. The built-in sensor comprises a pair of fixed parts fixed in the concrete structure, a shape memory alloy sensing wire which is arranged between the pair of fixed piece and is in a tension state, a pair of conductive wires which are connected to the shape memory alloy sensing wire and are at two ends of the shape memory alloy sensing wire, wherein two ends of the shape memory alloy sensing wire are connected to the pair of fixed pieces and are in the concrete structure, the first part of each of the conductive wires is in the concrete structure, the second part of each of the conductive wires extends out of the concrete structure and is used for connecting a monitor. The built-in sensor of the invention has the advantages of a simple structure, few steps of the monitoring method and easy operation, and the effective monitoring of the internal strain of the concrete structure can be realized in a long period.

The invention discloses an energy-saving partition in a car, and mainly relates to the field of accessories in cars. The energy-saving partition comprises a quick-release frame, fixing clamp seats and a heat preservation curtain baffle. The fixing clamp seats are mounted on columns B of the car, and the quick-release frame is detachably connected with the fixing clamp seats and formed by assembling a plurality of outer frame rods. A surrounding edge is arranged on the peripheral side of the heat preservation curtain baffle, a two-way zipper is mounted between the surrounding edge and the heat preservation curtain baffle, and the surrounding edge and the quick-release frame are detachably connected. The heat preservation curtain baffle comprises an inner heat preservation layer and a surface supporting layer. The inner heat preservation layer is made of spandex fabric, or chinlon fabric or spandex and chinlon blended fabric, and the surface supporting layer is made of double-faced composite PU fabric. The energy-saving partition in the car has the beneficial effects that the partition has good heat insulation performance, effectively reduces the influence of the temperature difference between a front row and a rear row on temperature control of a front row space air conditioner, remarkably lowers energy consumption and emission, improves refrigerating and heating efficiency, and is quick and convenient to disassemble and convenient and flexible to use, and damage to the interior of the car is reduced to the maximum extent.

The invention relates to a caulking strip for a bridge type steel expansion joint. A pair of shape steel is arranged on two sides of the expansion joint in a mirror image manner to form a shape steel expansion joint, and a groove with an opening facing the expansion joint is formed in in the inner side of each shape steel; two ends of a sealing strip are respectively embedded into the grooves, the middle of the sealing strip is lower than two ends of the sealing strip, and the sealing strip and the shape steel on two sides form a seam with an upward opening in an enclosed manner; the elastic caulking strip is arranged in the seam. The caulking strip comprises a body and is characterized in that two outer sides, along a horizontal direction, of the body are provided with adhesive layers used for being adhered to the inner wall face of the seam, and the top surface of the body is an outward-protruding arc-shaped face; a plurality layers of support binding strips are vertically arranged in the body at intervals, and the elastic support binding strips extend from one side of the body to the other side of the body along a horizontal direction.

The invention discloses a preparation method of a soft biological 3D printing material. The preparation method comprises the steps that polypropylene, wollastonite, butyl rubber, acetyl triethyl citrate, calcium carbonate, triethanolamine, polylactic acid, polyethylene wax, tetrahydrofuran and other raw materials are subjected to high-speed ball-milling, sieving separation, a vacuum nitrogen catalyzed reaction, vacuum filtration, repeated washing, drying, ultrasonic oscillation and dispersion, freezing, spray drying and the like respectively to prepare the soft biological 3D printing material.The prepared soft biological 3D printing material has the advantages of low raw material cost, high elasticity and good deformation restoration ability, and is suitable for various medical hoses, catheters, artificial blood vessels and the like.