148results about How to "Not easy to pierce" patented technology

The invention discloses coated cloth with high strength for railway wagon tarp and making method thereof. The coating cloth includes high-strength and low-shrinkage terylene continuous filament yarn base cloth and PVC coating agent coated on the base cloth. The method comprises employing 800D-1300D high-strength and low-shrinkage terylene continuous filament yarns as warp yarn and weft yarn, or warp yarn, weft yarn and reinforced rib to make the base cloth; making base material and facing material of the PVC coating agent by PVC paste resin, plasticizer, temperature depressing plasticizer, stabilizer, flame retardant, stuffing, aging resistance agent, milew-proof agent and dye; evenly coating the base material on two sides of the base cloth with vertical coating method, and dyeing; coating one layer of facing material on vertically-coated two sides of the cloth by horizontal coating method, and tentering, plasticizing, drying, then performing surface treatment to make the coated cloth with high strength special for railway wagon tarp. The product of the invention has advantages of good stability, high strength, light weight, aging resistance, water-proof, dirt-proof, milew-proof, flame-proof, splite-proof performances, good weathering resistance and stripping performance. The method of the invention is simple, use and operation are convenient.

The invention provides an inward folding type hammock buffer jacket. The inward folding type hammock buffer jacket comprises a first buffer body, a second buffer body, a third buffer body and a suspension layer, wherein one end of the second buffer body is connected with one end of the first buffer body; one end of the third buffer body is connected with the other end of the first buffer body; the suspension layer is connected with the other end of the second buffer body and the other end of the third buffer body through connecting heat-seal edges; the second buffer body and the third buffer body both bend towards one side of the first buffer body; the first buffer body, the second buffer body and the third buffer body form a U-shaped structure together; the suspension layer is located in the U-shaped structure, so that a U-shaped containing space is formed. According to the scheme, the inward folding type hammock buffer jacket can be inflated rapidly, the suspension layer structure is arranged to contain a foreign object so that the effects of shock resistance and buffering can be provided, and due to the facts that two layers of external films are arranged and are not prone to being pierced by sharp foreign objects, a good protection effect is achieved.

The invention relates to a folding boat, which comprises a boat head, a boat body, a boat tail and a boat bottom. The places which the sides of the boat head, the boat body and the boat bottom are connected with the boat bottom are foldable; the place which the boat head is connected with the boat body is foldable; the place which the boat tail is connected with the boat body is foldable; the middle part of the boat body is foldable; the boat head part comprises a boat head internally-convergent folding body; the places which the boat head internally-convergent folding body is connected with the sides and the boat bottom are foldable; each of the two boat tail angle parts of the boat tail comprises a boat tail internally-convergent folding body; the places which the boat tail internally-convergent folding bodies are connected with the sides and the boat bottom are foldable; the places which the boat head board of the boat head, the boat body board of the boat body and the boat tail board of the boat tail are connected with the sides respectively are foldable; and all the folded places of the boat head, the boat body, the boat tail and the boat bottom become an integrated polypropylene modified plastic plate after being unfolded and spread. The folding boat provided by the invention is made of single integrated polypropylene modified plastic, as well as is acid-resistant, alkali-resistant, puncture-resistant, low in failure rate, rapid in detachment and installation, convenient in folding and storage, simplified in structure, easier in production and low in price.

The invention discloses a navigation-based anti-collision device capable of being used as lifeboat for ship. The anti-collision device comprises an anti-collision air bag, a ship body, an inflatable floating body and an elastic rotating body, the inflatable floating body is arranged on one side of the ship body; a buffer base is fixed to the side, away from the ship body, of the inflatable floating body. The anti-collision air bag is arranged on the side, away from the inflation floating body, of the buffer base. Sliding grooves are formed in the two ends of the interior of the buffer base correspondingly, sliding blocks are arranged in the sliding grooves through first reset springs correspondingly, connecting rods are hinged to the sliding blocks correspondingly, the ends, away from thebuffer base, of the connecting rods are hinged to the anti-collision air bags correspondingly, and floaters are arranged at the two ends of the two sides of the inflatable floating body correspondingly. By installing the ship body, the inflatable floating bodies, the anti-collision air bags, the buffer bases, the connecting rods, the sliding grooves, the sliding blocks, the first reset springs, the buffer sleeves, the stress pieces and the second reset springs, the good buffer and shock absorption effects are achieved, the tail of the ship body is protected, and damage caused by collision is avoided.

The invention relates to a blow molding medical bag and a preparation method thereof. The blow molding medical bag includes a bag body. One end of the bag body is provided with a convex filling opening and the other end is provided with a lifting ring. The bag body, the filling opening and the lifting ring form an integral structure. The preparation method includes: taking medical polythene, medical polypropylene or medical modified-polypropylene as the raw materials and adopting a hollow blow molding method and a hollow blowing device to carry out one-time blow molding on the medical polythene, the medical polypropylene or the medical modified-polypropylene to acquire the blow molding medical bag. The blow molding medical bag has the advantages of reasonable structure, being convenient for mechanized filling and packaging, effectively preventing a loaded liquid from leaking and divulging. The invention can not only ensure the pollution free property during the filling and packaging processes, but also realize high speed manufacture with low cost, thus solving a plurality of defects existed in the existing perfusion bag of non PVC materials and polypropylene perfusion bottle. The preparation method can realize industrialized and mechanized manufacture and automatic filling and has the advantages of low cost and high output.

The invention discloses an adjustable constant-flow multifunctional blanking plug and mainly solves a problem that the traditional blanking plug a short constant-flow time. The blanking plug is characterized in that: the lower end of a fishing rod (1) is connected with a driving shaft (7) for rotating in an up and down sliding manner; the lower end of driving shaft (7) is provided with a rotationadjusting nut (3) which is connected with the inside of a main body (2) through threads; the lower end of the rotation adjusting nut (3) is provided with a rotary telescopic rod (9); the upper end ofa plunger (4) is provided with a telescopic rod (10) which is fit and connected with the rotary telescopic rod (9) in an up and down sliding manner; a balance spring (5) is arranged between the rotation adjusting nut (3) and the plunger (4); the main body (2) on the lower end of the plunger (4) is fixed with a limiting pin (6) for limiting; and the diameter of an axial internal hole of the plunger (4) is 11 millimeters. The adjustable constant-flow multifunctional blanking plug has the characteristic of long automatic adjustment and long constant-flow time.

The invention discloses a button lithium battery adopting a lithium-ion solid electrolytic sheet as a diaphragm and a preparation method of the battery. The battery includes the lithium-ion solid electrolytic sheet, a positive plate, a positive housing, a lithium sheet, a negative housing, an electrolyte LiPF6, filter paper, a stainless steel sheet and an elastic sheet. The preparation method includes the steps of weighing raw materials according to chemical metrology, obtaining the raw materials including Li2CO3, La2O3 and TiO2 for mixing and ball-milling, then drying the wet materials, grinding the materials into finer materials, putting the dried fine materials into an aluminum oxide crucible, placing the crucible in a chamber-type resistance furnace, raising the temperature to 1,000 DEG C, then maintaining the temperature for 6 hours for calcination, making carbonate fully dissolved, and then cooling the dissolved carbonate; after grinding and tableting are conducted to obtain a lithium-ion solid electrolytic sheet diaphragm sample, conducting a solid-phase synthesis reaction, then conducting cooling to generate the lithium-ion solid electrolytic sheet, assembling the battery after the positive plate is prepared, and encapsulating the battery into a finished product. The lithium-ion solid electrolytic sheet is high in ionic conductivity, low in electronic conductivity and high in density, lithium dendrites are unlikely to be penetrated through, and the cycle performance of the prepared lithium battery is great.

The invention discloses a battery which comprises a shell body and a battery unit sealed in the shell body. The battery unit is provided with an anode lead-out end and a cathode lead-out end. The shell body comprises a base plate and a composite plate. The base plate and the composite plate are connected to form an enclosed cavity body used for containing the battery unit. The battery unit is arranged in the enclosed cavity body. The invention further discloses a battery manufacturing method. The invention has the following characteristics: the metal base plate is adopted as one part of the shell body, so that the battery in the invention inherits the anti-explosion safety performance of the flexibly-packaged battery, the mechanical intensity of the shell body is enhanced, the shell body of the battery cannot be easily punctured, and the mechanical safety performance of the battery in using and manufacturing is greatly improved; moreover, compared with the composite plate, the base plate needs extremely low manufacturing cost; therefore, the production cost of the battery can be reduced.

The invention discloses a vacuum insulation plate which comprises a lower box body, a high temperature resistant O-type seal ring and an upper seal cover, wherein the lower box body is made of rigid PVC and the upper surface of the lower box body is provided with an opening; the upper seal cover is made of stainless steel; a vacuum seal cavity wrapped by the upper seal cover, the high temperature resistant O-type seal ring and the lower box body is formed. The structure and insulation theory of the vacuum insulation plate provided by the application are based on the vacuum structure and vacuum insulation theory of a stainless steel vacuum insulation cup. The vacuum insulation plate provided by the application also has a support framework function, a vacuum seal function, a fire-fighting function and a vacuum insulation function; the vacuum seal function and vacuum insulation function are realized by virtue of the lower box body and the upper seal cover together; Since the lower box body and the upper seal cover are rigid, and have less possibility of being pierced by sharp objects and hard objects during conveying, storage and construction processes, breakage and air admission of the vacuum seal cavity are avoided, and the problem that an existing vacuum insulation plate becomes invalid easily can be solved.

The invention provides a high-feasibility and simple-process production method of a flat plate type VIP (vacuum insulation panel) with a groove or a bulge in a single side. The production method comprises the following steps: a core material, of which the upper side surface and the lower side surface are planes, is placed in a packing film bag, and then is placed in a cavity of a vacuum device, a pressing block for forming a groove or a bulge in the core material through pressing in vacuum pumping is placed on the upper side surface or the lower side surface of the packing film bag, and then the vacuum device is closed and the vacuum pumping is carried out; in vacuum pumping, in the cavity, a pressing plate applies pressure to one side surface of the packing film bag to enable the groove or the bulge to be pressed on the core material through the pressing block; when the vacuum pumping is completed, an opening of the packing film bag is subjected to heat seal, and then the vacuum insulation plate is taken out of the cavity, so that the finished product is obtained.

The invention relates to an electrode plate of battery and the lithium battery with said electrode plate. Wherein, the four angles of said electrode plate all are smooth curve angles. With said inventive electrode plate, when coiling or layering the anode plate, baffle film and the cathode plate to form the electrode core, the short circuit or micro short circuit of battery caused by breaking the baffle film with four shape angles can be avoided, to improve the safety of battery.

The invention relates to a packaging membrane with large heatproof scope and flame retardation used for a vacuum insulation board and the vacuum insulation board by using the packaging membrane, and more specifically relates to the packaging membrane of a hot melt adhesive layer formed by employing ETFE. The packaging membrane comprises a protection layer, an air partition layer and the hot melt adhesive layer, the hot melt adhesive layer is an ETFE material layer, wherein the thickness is 15-95mum. The ETFE has little physical attribute influence to most chemical substances, has low permeability to common gas and steam, is in favor of increasing the isolation gas moisture performance of a membrane material, and is in favor of increasing comprehensive quality of VIP and prolonging its life span; ETFE flame retardation effect is better, and the flame resistance performance of the produced composite membrane is better.

The invention discloses a hard puncture-proof material which is prepared by compounding and pressing multiple single-direction continuous glass fiber enhanced thermoplastic prepreg tapes 0/90-degree plied or is prepared by compounding and pressing two 0/90-degree composite materials and a thermoplastic light cutting board, wherein each single-direction continuous glass fiber enhanced thermoplasticprepreg tape is a prepreg tap sheet prepared by fully immersing continuous glass fibers in thermoplastic resin; the 0/90-degree composite material is a sheet which is 0/90-degree plied and compoundedand pressed by multiple single-direction continuous glass fiber enhanced thermoplastic prepreg tapes or a sheet obtained by thermal pressing glass fiber cloth and a thermoplastic resin tubular product; the thermoplastic light cutting board is a glass fiber/resin mixed felt layer prepared by uniformly mixing the glass fibers and polypropylene fibers or glass fibers and polypropylene drawn wires and then carrying out unloosening treatment, carding forming, cross lapping, needling to obtain the felt and rolling. The hard puncture-proof material is good in puncture-proof effect, difficult to puncture, low in cost and light in weight.

The invention provides a lithium button battery with a lithium ion solid electrolyte sheet being a diaphragm and a preparation method thereof. The battery includes a lithium ion solid electrolyte sheet, a cathode plate, a cathode case, a lithium sheet, an anode case, an electrolyte LiPF6, filter paper, a stainless steel sheet and an elastic piece. The preparation method includes: a) according to stoichiometric ratio, weighing raw materials; b) mixing and ball-milling the raw materials, Li2CO3, SrCO3, ZrO2 and Nb2O5, drying a wet mixture and grinding the mixture finely; c) placing the fine dried material in an alumina crucible and placing the crucible in a chamber electric furnace; d) heating the material to 1100 DEG C and maintaining the temperature for 10 h for calcining the material, wherein the carbonates are completely decomposed, then cooling the material; e) grinding and tabletting the material to obtain a lithium ion solid electrolyte sheet diaphragm sample; f) performing a solid phase synthesis reaction and cooling the product to prepare the lithium ion solid electrolyte sheet; g) preparing the cathode plate, and assembling and packaging the battery to obtain the final product. The lithium ion solid electrolyte sheet is high in ionic conductivity and low in electron conductivity, has high compactness, and is not liable to cause piercing of lithium dendrites, so that thelithium battery has good cycle performance.

The invention relates to an isolation diaphragm for a cement slurry densitometer and a method for assembling and replacing the isolation diaphragm, wherein a putty isolator is arranged between a measuring tube of the densitometer and a pressure gauge; the inside of the putty isolator is provided with a cavity which is filled with hydraulic oil; a supporting framework which is made of hard materials is coated on the peripheral edge of a flexible isolation diaphragm which is fixed inside an annular groove on a front opening of the cavity, and the flexible isolation diaphragm and the supporting framework are pressed into a whole by a die; and gaps are reserved between the outside of the isolation diaphragm and the annular groove, and are filled with cohesive glue. The isolation diaphragm for the cement slurry densitometer avoids corrosion and damage due to contact of the slurry and a hard sensor, and does not need to use a large-diameter sensor diaphragm to prevent transport damage and so on, thereby reducing the cost; the front surface of the diaphragm which is pressed by the die is natural and smooth and has stable performance, thereby guaranteeing accurate measurement; when the isolation diaphragm is assembled, people only need to fill the annular groove with the glue and press the whole diaphragm into the annular groove, and residual glue can be overflowed from the gaps on the outside of the diaphragm and fills in the gaps, so as to fix and seal the diaphragm; the isolation diaphragm is convenient to replace; a lug boss is arranged on the rear of the diaphragm, thereby being favorable for gluing and sealing; and the thickness, the diameter and so on of the diaphragm all realize transmission of hydraulic pressure, accurate measurement and difficult damage.

The invention relates to a high-elasticity impact-resistant corrugated cardboard which comprises an outer surface paper layer, a corrugated paper core and a bottom surface paper layer, wherein the corrugated paper core is a regular pentagonal corrugated paper core, and the regular pentagonal corrugated paper core is bonded with the lower surface of the outer surface paper layer and the upper surface of the bottom surface paper layer. The high-elasticity impact-resistant corrugated cardboard has the advantages of good shock resistance, good impact resistance and high peeling strength, and is conductive to saving resources and protecting environment.

The invention provides a novel plant toothpick, which is prepared by processing a monocotyledon gramineous plant through a fresh-keeping agent. The invention further provides a preparation method of the novel plant toothpick. The novel plant toothpick disclosed by the invention is simple in structure, easy to prepare, low in cost, convenient, sanitary, adjustable in thickness and easy for use; because of proper hardness and viscosity, users are difficultly injured; in addition, the novel plant toothpick disclosed by the invention is abundant in source and saved in resource and free from environmental pollution.

The invention discloses a foamed composite geomembrane for water control and seepage control in the project of reservoir, river, road, culverts, dam and the trash treating factory, which is prepared by welding or sticking at least one layer impervious layer (1) and at least one layer foaming layer (2). The connection side-face of impervious layer (1) with the foaming layer (2) can be equipped with a reinforcing layer (3), the impervious layer (1) being made up of high-density polyethylene film or polychloroethylene film, the foaming layer (2) made up of continuous foaming material such as polyphenylacetylene and polyethylene, the reinforcing layer (3) being a braided fabric or net of the glass fibre/ polyester/ polypropylene. It can avoid the problem of infiltration conduced by that the cutting needle pierces the geomembrane in the construction and usage process, and avoid the problem of stabbing working people. It is soft and elastic, and is facile to use or transport.

The invention provides a high-strength planting slope protection geotextile with a sandwich structure and a preparation method of the high-strength planting slope protection geotextile with the sandwich structure. The geotextile comprises two short fiber geotextile layers, and a planting layer sandwiched between the two short fiber geotextile layers, and the short fiber geotextile layers and the planting layer are fixedly connected by a needle punching process and formed into a whole to form a sandwich structure. The preparation method comprises the following steps: firstly, pre-punching a fiber web by needles into a short fiber geotextile with higher strength, and then fixedly connecting the short fiber geotextile layers with the planting layer by the needle punching process, so that theupper and lower short fiber geotextile layers and the planting layer between them run through to form a sandwich structure. The geotextile layers are pre-punched by adopting the needle punching process, thereby improving the tensile strength and the deformation resistance of a material; the geotextile is not easily pierced or broken during use, and is solid and durable; the planting layer in the invention has higher fertility and water retention capacity, and provides a good environment for plant growth.

The invention discloses an underwater drilling fast blockage air bag, comprising an air bag body made of rubber; a cylindrical bulge is arranged at the top of the air bag body; an air inlet/outlet is formed in the outer wall of the cylindrical bulge; the air inlet/outlet is communicated with the inner cavity of the air bag body by a channel arranged in the cylindrical bulge; an air guide pipe is arranged at the air inlet/outlet, and the other end of the air guide pipe is provided with a control valve; a connection ring is sleeved on the air bag body; the connection ring is positioned at the upper part of the air bag body; a plurality of connection ropes are uniformly distributed along the circumferential direction of the connection ring; a falling weight is arranged at the tail end of each connection rope. The underwater drilling fast blockage air bag is good in blockage effect, can block an underwater geological drilled hole with failure in very short time, and the implementation method is simple and feasible.

The invention discloses a super capacitor core and a super capacitor comprising the core. The super capacitor core comprises a positive pole piece and a negative pole piece, wherein diaphragms are arranged between the positive pole piece and the negative pole piece, at least two layers of diaphragms are arranged at the tail ends of the positive pole piece and the negative pole piece, and reeling needles are mounted at the tail ends of the positive pole piece and the negative pole piece; 2-8 layers of diaphragms are adopted; and the super capacitor comprises a housing, electrolyte and the core, wherein the core comprises the positive pole piece, the negative pole piece and at last two layers of diaphragms. With the adoption of the super capacitor core with the structural design, the diaphragms at the winding start end cannot be easily pierced in the winding and product use process by increasing the number of layers of the diaphragms at the tail ends of the pole pieces, the short circuit rate of the super capacitor using the core is reduced, the stability in the use process is improved, and the technology is simple, the operation is easy, and the super capacitor core and the super capacitor comprising the core are convenient to popularize.

The invention provides a high-strength impact-resistant corrugated cardboard which comprises surface paper at an outer layer, a V-shaped corrugated paper core and surface paper at a bottom layer, and is also provided with a middle interlayer and a semi-circular corrugated paper core, wherein the V-shaped corrugated paper core is arranged between the surface paper at the outer layer and the middle interlayer, and the semi-circular corrugated paper core is arranged between the middle interlayer and the surface paper at the bottom layer. The high-strength impact-resistant corrugated cardboard synthesizes the high strength property of the V-shaped corrugated paper core and the impact-resistance of the semi-circular corrugated paper core, and improves the strength and impact-resistance of the corrugated cardboard simultaneously, thus being not only applicable to the packing of light products, but also especially applicable to the packing of large workpiece and heavy products.

The invention relates to a battery module, comprising multiple battery monomers and multiple heat conducting partition plates. The heat conducting partition plates and the battery monomers are mutually superposed in arrangement, the heat conducting partition plates are provided with a partition plate main body and multiple side plates connected with the partition plate main body, the partition plate main body and the multiple side plates form a containing space of the battery monomers together, and the edges of the side plates, which are far away from the partition plate main body, are bent and stretched to form heat dissipation fins.