31 results about "Water barrier" patented technology

The application discloses a kind of corrosion-resistant double-armored submarine cable and preparation method thereof, it is related to submarine cable technical field.The corrosion-resistant double-armored submarine cable includes outer sheath layer, water barrier layer, double-armored layer, insulating inner liner, filling layer, insulating layer, copper conductor in turn from surface to inside;The outer sheath layer is obtained by extruding coating on the surface of double-armored layer by corrosion-resistant submarine cable material;The corrosion-resistant submarine cable material includes the following raw material components: by mass parts, 75-90 parts of high-density polyethylene, 30-50 parts of ultra-high molecular weight polyethylene, 10-25 parts of modified microfiber, 8-15 parts of ethylene-vinyl acetate copolymer, 0.2-0.5 parts of antioxidant, 1-1.2 parts of lubricant.The application optimizes sheath layer material, solves the problems of existing double-armored submarine cable corrosion failure, short service life, unstable performance and other problems, meets the demand of long-term service reliability.

The utility model relates to the technical field of decorative wallboard, specifically disclose a kind of decorative wallboard with moisture-proof function, including substrate, the substrate is sequentially composite from inside to outside, vapour barrier: the continuous dense film formed by single-component polyurethane waterproof coating coated on the surface of substrate, thickness is set between 0.3-1mm, moisture-proof layer: by spraying on vapour barrier nanometer silicon dioxide waterproof coating is made of, thickness is set between 0.05-0.2mm, water absorption layer: set on moisture-proof layer, by filling with high water-absorbing resin and alginate fibre honeycomb composite water-absorbing material is made of, thickness is set between 5-8mm, the decorative wallboard, with multiple moisture-proof effect, vapour barrier blocks water vapor penetration, moisture-proof layer forms superhydrophobic barrier, water absorption layer actively absorbs and adjusts humidity, ventilation layer promotes air circulation and accelerates water vapor evaporation, each layer synergistic effect realizes efficient moisture-proof, significantly reduce decorative wallboard damp deformation and mildew risk, improve service life, strong practicality.

The utility model relates to the technical field of intelligent closestool, especially to a kind of intelligent heating closestool, including closestool seat and closestool ring, closestool ring is movably arranged on closestool seat, electric heating wire is arranged in closestool ring, temperature is transmitted to the upper surface of closestool ring by heat transfer of electric heating wire, air hole, which is communicated with the inside of closestool ring, is opened in the side wall of closestool ring, waterproof air-permeable membrane of high temperature resistance is equipped on closestool ring, waterproof air-permeable membrane covers on air hole;The position of air hole on the side wall of closestool ring is also provided with waterproof flow guide structure, waterproof flow guide structure is communicated with outside and air hole, for guiding water flow away from air hole.The utility model discloses a kind of intelligent heating closestool, waterproof air-permeable membrane is set on the air hole of closestool ring, to form a water barrier, while guiding water flow away from air hole by waterproof flow guide structure, effectively prevent water droplet or water vapor from entering closestool ring by air hole, avoid affecting the performance and service life of electric heating wire.

The present application belongs to the technical field of thermal protection coating of aero-engine and gas turbine, and relates to an environmental barrier coating for resisting high-temperature water-oxygen corrosion of SiC-based ceramic or composite material and a preparation method thereof. With SiC or SiC-based composite material as a substrate, MoSi2 powder is first sprayed on the surface of the substrate by atmospheric plasma spraying, so that the Si element in MoSi2 is selectively volatilized to form a composite coating mainly composed of MoSi2 and Mo5Si3; then HfO2 powder is sprayed on the surface of the composite coating by atmospheric plasma spraying to form an HfO2 layer; and then the substrate after spraying the HfO2 layer is placed in an oxygen-containing gas atmosphere, heated to 1200-1500 DEG C for high-temperature oxygen-containing heat treatment to obtain a coating structure with three-layer structure of sacrificial layer, oxygen barrier layer and water barrier layer. The environmental barrier coating prepared by the present application has higher stability in high-temperature water-oxygen environment and higher comprehensive performance.

The application belongs to the technical field of high polymer materials, and relates to a barrier pipe shoulder modification material, a barrier pipe shoulder and a preparation method thereof.The barrier pipe shoulder modification material comprises a polyethylene matrix, organic modified montmorillonite, high-density polyethylene and a compatibilizer in specific proportions, and the polyethylene matrix is low-density polyethylene and / or linear low-density polyethylene;the polyethylene matrix is subjected to double barrier modification by selecting organic modified montmorillonite and high-density polyethylene for matching, and the compatibilizer is used as an auxiliary, so that the finally obtained pipe shoulder modification material has excellent barrier performance;after the pipe shoulder injection molding raw material is mixed to form a pipe shoulder, the obtained pipe shoulder has excellent oxygen barrier performance, water barrier performance and mechanical performance.

The utility model provides a lighting cable with water blocking device, including first silica gel line, second silica gel line, adapter plate, water blocking structure and outer pipe cover, second silica gel line is connected to lighting device, first silica gel line includes a plurality of first insulated core and first sheath, second silica gel line includes a plurality of second insulated core and second sheath, first insulated core connects one end of adapter plate, second insulated core connects the other end of adapter plate, and water blocking structure is wrapped adapter plate, first insulated core, second insulated core through mould pressing forming, and water blocking structure carries out the interruption to the water of the gap of a plurality of first insulated core and first sheath, and the outer pipe cover is sleeved on water blocking structure, the utility model discloses water blocking structure through hydraulic integrated molding and seals the adapter plate, first silica gel line and second silica gel line junction, and the water of the gap of first insulated core and first sheath in first silica gel line is interrupted, and the outer pipe cover is sleeved on water blocking structure, and water blocking structure is reinforced.

This application discloses a segment sealing strip, relating to the field of tunnel engineering technology. The strip includes a main body and, through a multi-structure collaborative design, achieves a comprehensive improvement in waterproof performance and engineering applicability. The wavy EPDM rubber layer, with its undulating curved surface structure, constructs multiple three-dimensional water-blocking barriers, significantly enhancing waterproofing efficiency. The water-swellable rubber layer expands rapidly upon contact with water, filling tiny gaps and forming dynamic waterproof reinforcement. The internal pore design gives the strip excellent elastic deformation capability, adaptively adjusting its shape during segment compression and displacement to ensure the continuity and stability of the seal. The metal support skeleton enhances the overall rigidity of the strip, effectively resisting external impacts and deformation, maintaining the integrity of the sealing structure. The bottom protrusion, combined with anti-slip texture, achieves precise fitting and firm fixation with the segment groove, preventing misalignment during installation and curing, and ensuring long-term stable operation of the sealing system.

The utility model relates to the technical field of flood control water retaining turning plates, in particular to a self-folding water retaining plate which comprises a square pipe, a sealing piece is installed on the upper side of the square pipe through bolts, a plurality of clamping blocks are connected in the sealing piece in a clamped mode so that the sealing piece can be limited by the clamping blocks, a panel is connected to the right sides of the clamping blocks in a sliding mode, and the panel is connected with the square pipe through bolts. The front side and the rear side of the panel are connected with connecting plates through bolts, and the two sides of the sealing piece are attached between the panel and the connecting plates. The sealing piece is connected with the contact part of the square pipe and the panel through the bolt, and the sealing piece is connected with the panel through the clamping block, so that the use of the bolt is reduced, the installation speed of the sealing piece is high, the water baffle can be conveniently and rapidly assembled, flood is blocked in time, and the service life of the water baffle is prolonged. And the sealing piece not only plays a role of a connecting piece, but also can block flood, so that the sealing piece has multiple functions, and the use economy is higher.

This utility model relates to the field of modular building technology, and more particularly to a waterproof structure at the joints of modular buildings. A vertically extending first waterproof layer is filled between a water-guiding cavity and a vertical pressure groove. A spiral guide extends downwards to the bottom of the cast-in-place floor slab. Below the spiral guide is a downwardly inclined guide pipe that communicates with the outdoor environment. Below the guide pipe is a downwardly inclined second waterproof layer, which separates the vertical joints of the upper and lower concrete modules. Its advantages are that the U-shaped channel of the spiral guide and the inclined guide pipe achieve multi-layer directional water guidance. Combined with the second waterproof layer separating the upper and lower concrete modules and the vertical first waterproof layer, a multi-level drainage barrier is formed, effectively preventing leakage from spreading to the interior or lower floors. The spiral design enhances the self-drainage efficiency of the water flow, significantly improving the impermeability and durability of the joints.

This invention discloses a waterproof support system for photovoltaic panels, including photovoltaic panel units and a bracket. The bracket has a drainage cavity with a bearing edge bent at the top. The photovoltaic panel units are supported on the bearing edge of the bracket and form a drainage barrier. A water-guiding pressure plate is installed on the bracket to press and fix the photovoltaic panel units and to guide rainwater for rapid discharge. There is a longitudinal gap between adjacent photovoltaic panel units, which communicates with the drainage cavity. This system has the advantages of good waterproofing and prevention of profile corrosion.

The utility model provides a four -folding louvered window type ventilation protection structure, include: louver fixed frame and four -folding blade, louver fixed frame sets up in the ventilation opening of equipment cabinet, a plurality of four -folding blades are fixedly in the left and right two ends in louver fixed frame along vertical direction even interval, four -folding blade includes first hook piece, vertical blade, first turning blade, second turning blade, second hook piece, third turning blade, third hook piece, fourth turning blade, fourth hook piece connected in proper order, mutual shelter between adjacent four -folding blades, form the stepped water retaining barrier, when splashing, water spray with horizontal or big inclination or small inclination invasion, water flows out through the turning of turning blade and the flow guide effect, to play the effect of waterproof, by analogy, when dust follows the airflow (wind) and enters the louver also flows out the louver through multiple reflection.

The utility model belongs to shopping box technical field, concretely is a kind of shopping box with waterproof function, including box, bottom plate and handle, when user pulls zipper head, waterproof baffle is together with gradually sliding to cardboard, double water-blocking barrier is formed after closing, and the pull ring can be arranged in zipper head, drive retractable canopy to be unfolded, to reach the effect of rain-sheltering, one-way water valve is provided in bottom plate, and the cooperative sealing of waterproof zipper and water valve greatly improves the water resistance of shopping box, when user wants to use shopping box, by pressing the pressing plate on handle, so that air pump starts to inflate, gas is transported to inflatable air column by gas delivery pipe, so that box changes from folding shape to self-standing shape, if want to change back to folding shape, just need to pull the air valve at the bottom of box, inflatable air column and box integrated forming process ensure portability, also maintain the practicability of shopping box.

This invention provides a water-blocking aluminum foil and its preparation method. The water-blocking aluminum foil comprises a shielding aluminum foil layer and a water-blocking resin layer, arranged layer by layer from the outside to the inside. The preparation process of the water-blocking aluminum foil includes the formulation and filtration of the water-blocking coating, and the coating, drying, post-curing, and winding of the water-blocking aluminum foil. Through a special dispersion process and curing conditions, a water-absorbing coating is applied to the surface of the aluminum foil, improving the uniformity of the coating on the aluminum foil surface, enhancing the film strength and film-forming effect. When the material comes into contact with water, it quickly absorbs water and expands in the thickness direction, filling the gaps between the water-blocking aluminum foil and the core material, thus achieving the water-blocking effect.

The present invention relates to a sliding flood defense water barrier device having a structure in which a water barrier gate is withdrawn from a storage frame to form a water barrier wall, which functions as part of a bridge deck in normal times without obstructing vehicle traffic, but effectively prevents flood damage by deploying a plurality of water barrier gates in a sliding manner to form a water barrier wall when activated, such as during a flood.

The present invention relates to a ceiling leak diverter. A ceiling leak diverter includes a water barrier made of a substantially flexible, substantially water-resistant material and further includes an opening. The ceiling leak diverter includes at least one magnet coupled to the water barrier and positioned proximate to an outer perimeter of the water barrier, a funnel coupled to the opening of the water barrier, and a fluid-bearing conduit fluidically connected to the funnel.

1. Name of the product in this design: Water barrier (detachable). 2. Purpose of this design: This design is used for flood control panels for terraced fields. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to the field of water control technology devices and provides an automatic lifting dam, comprising a dam body and a base. A support mechanism is installed between the dam body and the base, and a control unit is installed inside the base. The control unit consists of sensors and a controller, with a sensor array distributed between the dam body and the base. The controller is interconnected with the support mechanism. The sensors detect changes in water level, and the controller controls the extension and retraction of the support mechanism to control the height of the dam body, thereby raising the dam body to block water flow. When the sensors detect a decrease in water level, the controller controls the support mechanism to lower the dam body to its initial position. Using this dam eliminates the need for a large number of personnel on duty and the time-consuming and laborious process of filling burlap sacks to increase the sack height; the dam automatically raises to block the water as the water level increases, saving labor and time and improving work efficiency.

The application discloses a kind of wall ground glaze tile glaze water barrier agent, preparation method, isolation method and production system, for bell shower glazing or flat seam duckbill shower glazing process, the end surface of the direction of advance of green brick is prone to glaze, the problem of roller kiln high-temperature sintering stick, glaze water barrier agent with hydrophobic modified inorganic powder as core skeleton, with water-based film-forming resin to form continuous film layer, with fluxing agent to ensure high-temperature fusion, each component realizes the effect of "low-temperature film-forming hydrophobic, high-temperature no residue fusion" in cooperation;By accurate coating special barrier agent on the end surface of green brick to form a hydrophobic isolation layer, block the contact channel of glaze and end surface, without additional glaze washing edge or glaze scraping edge equipment, it can completely solve the edge glaze, glaze waste and kiln roller stick due to glaze showering, nail defects, while reducing the breakage rate of body, adapt to large-size rock plate, thin plate and other multi-category product production, significantly improve glaze line production efficiency and product qualification rate.

A roll comprising an air and water barrier article is provided. The barrier article has opposed first and second major surfaces. A pressure sensitive adhesive is disposed on at least the first major surface and a release agent is disposed on the opposing second major surface. The release agent covers less than 100% of the second major surface and the pressure sensitive adhesive contacts predominately, if not exclusively, the release agent when wound in the roll.

This invention discloses a waterproof and heat-dissipating integrated cable branch box structure, relating to the field of cable branch boxes. It includes a supporting base, a waterproof base fixedly installed on the upper surface of the supporting base, and a branch box fixedly installed on the upper surface of the waterproof base. An opening is provided in the center of the front face of the branch box, and a door is rotatably installed on the side of the front face of the branch box near the opening via a bearing. Several heat dissipation holes are provided through the bottom of both sides of the branch box. The waterproof mechanism solves the problem of backflow into the bottom of existing branch boxes. When water accumulates outdoors, a hollow float, driven by buoyancy, causes the connecting frame and waterproof cloth to rise synchronously. The folded waterproof cloth unfolds to form a ring-shaped waterproof barrier around the bottom of the branch box, preventing water from flowing back to the bottom of the box. The drainage holes can promptly drain small amounts of water from the fixed inner groove, preventing the waterproof cloth from aging due to long-term soaking, improving waterproof reliability, reducing component failures caused by rainwater immersion, and lowering the maintenance frequency.

This utility model discloses a new energy vehicle charger with a waterproof structure, including a charging box, an outer wall, a back frame, a first waterproof structure, a cover plate, a charging gun, a support base, and a second waterproof structure. The charging box has an outer wall on its outer side, a back frame on its back, and a first waterproof structure at the center of its front side. The center of the first waterproof structure is a charging port, and a cover plate is hinged to one side of the first waterproof structure. A charging gun is installed at the center of the charging port, a support base is located below the charging gun, and a second waterproof structure is located at the front end of the charging gun. This new energy vehicle charger with a waterproof structure forms a physical water barrier through the protruding design at the charging port, effectively preventing water from flowing directly in and avoiding the risk of short circuits caused by poor contact.

The utility model discloses a kind of suspension type self-floating water retaining gate, it is related to water retaining gate technical field, including pedestal, track seat, float box, apron and side column, the side of the pedestal is provided with the side column, the inboard of the pedestal is provided with several track seats, one float box is movably arranged on each track seat, the bottom wall of the middle part opening of the pedestal is provided with several aprons, and the adjacent two float boxes are connected to form a barrier;Each track seat includes base plate, slide rail and support roller.In the utility model, the function of automatically adjusting water retaining height according to water level is realized, when water level rises, float box is automatically floated to form water retaining barrier under the action of buoyancy;When water level drops, float box drops, solve the problem that traditional fixed water retaining facility cannot be automatically adjusted.

This invention belongs to the field of road maintenance technology and provides a crack-resistant and perforation-resistant bridge structure for structural dynamic cracks and its construction method. The structure includes, from bottom to top, a penetrating adhesive repair layer, a first flexible sealing layer, a crack-resistant and perforation-resistant layer, and a second flexible sealing layer. The penetrating adhesive repair layer fills the interior of the crack to repair the structural layer. The two flexible sealing layers together cover and provide the crack-resistant and perforation-resistant layer, forming a flexible laminated composite seal that achieves a structural bridging connection across the crack and can adapt to the dynamic changes of the crack. The solution proposed in this invention forms a multi-layered waterproof barrier through the penetrating repair of the penetrating adhesive repair layer, the overlapping sealing of the two flexible sealing layers, and the reinforcing effect of the crack-resistant and perforation-resistant layer. This completely seals the water ingress channel of the crack, effectively preventing damage from dynamic pressure water. At the same time, the flexible laminated composite seal can adapt to the dynamic opening and closing of the crack. The overall structure has the advantages of convenient construction, low cost, and long service life.

The utility model provides a kind of head cooling device, belong to head cooling technical field, the head cooling device includes fixed head band, water barrier, skin layer and fixed assembly, the fixed head band is annular structure, its interface position is provided with magic tape assembly, for adjusting the inside diameter of the fixed head band;The side of the fixed head band and patient head skin contact is provided with the skin layer, for ensuring the comfort degree when patient wears the device;The side of the fixed head band away from the skin layer is provided with the water barrier, for preventing skin contact to water;The water barrier both sides are provided with multiple fixed assembly, for cooling piece for fixing on the fixed head band;The utility model provides a kind of head cooling device, can solve the existing cooling mode needs manual adjustment, and there is inconvenient, uneven cooling problem.

A leak-proof structure for a shower pedal includes a pedal body, a sealing layer covering the outer contour of the pedal body, an upper water-retaining edge extending upward from the sealing layer, and the upper water-retaining edge being positioned above the upper surface of the pedal body. The bottom of the sealing layer also extends towards the center of the pedal body to form a water-stopping edge located below the pedal body. Further, the pedal body includes a base layer and a surface layer covering its upper surface, with the sealing layer covering the outer contour of the surface layer. The beneficial effect of this invention is that the upper water-retaining edge, which is higher than the upper surface of the pedal body, is cleverly clamped and embedded between the wall tiles and the wall base layer, forming a "built-in" and robust physical water-retaining barrier, preventing water from seeping into the gap between the pedal and the wall at the source.

This invention provides a water-blocking layer, a water-blocking optical film, a method for preparing the same, a polarizer, and a display device. The water-blocking layer provided in this invention is polymerized from a polymerizable composition, wherein the polymerizable composition includes: organic / inorganic hybrid acrylate, polyurethane acrylate, and photopolymerizable acrylate monomer.

This relates to an elevator water barrier device, A buried foundation installed embedded in the ground at the entrance; elevator guide posts installed on both sides inside the buried foundation, with their lower portions inserted into the buried foundation and their upper portions protruding above the ground; an elevator guide wall installed inside the buried foundation; a watertight wall inserted and installed to be elevator-movable inside the elevator guide wall; and an elevator cylinder installed at the lower interior of the elevator guide posts and connected to the watertight wall; wherein the buried foundation is in a form in which a sealed space portion with a wider front-to-back width than the storage space portion is provided above the storage space portion with an open top, and a sealing plate is installed on the upper interior of the sealed space portion of the buried foundation through a technical configuration By sealing the enclosed space provided at the upper inner part of the storage space of the landfill foundation through a landing plate installed at the top of the cutoff wall, it is possible to prevent foreign substances from entering the storage space of the landfill foundation. Additionally, when it is necessary to block the inflow of rainwater into the interior due to heavy rainfall, the cutoff wall can be quickly and stably withdrawn to the ground, and construction and maintenance can be simplified.

The application discloses a food-grade high-water-resistance high-stiffness paper cup base paper and a preparation method and application thereof. The paper cup base paper comprises a paper cup base paper base material and a water-based acrylic resin coating layer coated on at least one surface of the paper cup base paper base material; the water-based acrylic resin coating layer is formed by a coating composition comprising a water-based acrylic resin emulsion and pigments; the water-based acrylic resin emulsion is composed of methyl methacrylate, butyl acrylate, vinyl neodecanoate, an initiator and a curing agent. The preparation method comprises pulp preparation, wire laying, pressing, drying, coating and secondary drying. The obtained food-grade high-water-resistance high-stiffness paper cup base paper has high water barrier effect, high stiffness, can be recycled, is biodegradable and has good environmental protection.

Roof module for a land and / or water vehicle (10) with living quarters comprising a kinematic unit (3) with two lateral guide rails (30) and at least one roof segment (2) which is movably mounted in the guide rails (30) between a closed position and an open position, wherein a circumferential support frame (4) is provided, wherein the support frame (4) at least partially supports and / or partially forms the kinematic unit (3), characterized in that the support frame (4) has four profile strips (40) connected to form a rectangle and can be attached to a vehicle roof (100) having an opening (101) surrounding or in the opening (101) forming a water barrier, and that the at least one roof segment (2) rests against the support frame (4) in the closed position forming at least one first sealing line, wherein the guide rails (30) are arranged within the at least one sealing line.

The utility model discloses a kind of water-absorbing type automobile non-woven fabrics, belong to non-woven fabric technical field, from top to bottom sequentially include adhesion layer, water barrier layer, water-absorbing layer and hydrophilic layer, water-absorbing layer is spaced apart and is provided with hot melt area, water barrier layer and hydrophilic layer are fixedly connected with water-absorbing layer by hot melt area, accommodating cavity is set between adjacent hot melt area, water-absorbing resin is filled in accommodating cavity.The utility model discloses a kind of water-absorbing type automobile non-woven fabrics, ensure the connection between water barrier layer, water-absorbing layer and hydrophilic layer by hot melt area, and water is conducted to water-absorbing layer by hydrophilic layer, and let water-absorbing resin absorb and store moisture, prevent moisture diffusion and residual, and water barrier layer can avoid moisture penetration into non-woven fabric sticky area, so that non-woven fabric falls.