36results about How to "No waterproof" patented technology

The invention relates to a broadband radial pattern leaky coaxial cable used for subway and a manufacturing method thereof, and the leaky coaxial cable has the double functions of transmission line of information and duplexer. The structure of the leaky coaxial cable consists of an inner conductor, an insulation layer, an outer conductor and a jacket, wherein, the inner conductor is externally covered with the insulation layer which is externally covered with the outer conductor that is externally sheathed with the jacket, and the insulation layer that covers on the surface of the inner conductor adopts nitrogen or carbon dioxide physical foam to form a foamed polyethylene insulation layer; cambered slotted holes are opened on a clutch gold belt of the outer conductor covered outside the insulation layer. The manufacturing method comprises the steps: (1) a spiral wrinkle inner conductor is manufactured by longitudinal covering welding and embossing by using a copper strip; (2) the nitrogen or the carbon dioxide are adopted to be injected into the smelted polyvinyl plastics, and then the physical foamed polyethylene insulation layer is formed on the surface of the inner conductor by extrusion and cladding; (3) the slotted holes broken out by the clutch gold belt of the outer conductor are the cambered slotted holes; (4) the clutch gold belt of the outer conductor is covered on the insulation layer longitudinally, and the surface of the clutch gold belt of the outer conductor is crowded and covered with the jacket.

The invention discloses a fire-extinguishing bomb thrown through an unmanned aerial vehicle. The fire-extinguishing bomb comprises a shell, a fire-extinguishing agent, a hanging mechanism and a starting system; the starting system comprises a self-inflammation unit, a throwing delayer, an infrared detector and a starter, the fire-extinguishing agent is placed in the shell, and the starting system is installed on the shell; and the throwing delayer penetrates through the shell, the upper end of the throwing delayer is connected with the hanging mechanism which is a lifting ring, and the lower end of the throwing delayer is connected with the starter. The fire-extinguishing bomb thrown through the unmanned aerial vehicle is reasonable in design, simple in structure, good in exploding orientation of the fire-extinguishing bomb, little in detonating energy and capable of achieving umbrella type covering; and throwing can be conducted towards a fire scene by diversified means, fire fighting is more convenient to be conducted for a site, where people cannot easily enter, with a high mountain and a thick wood, and meanwhile safety of a rescue person is protected.

The invention discloses a fructus forsythiae volatile oil medical hydrocolloid dressing that is formed by sticking two layers of materials, one layer of which is base mounting material, and the other layer is composed of the following components in terms of percentage by mass: 0.1%-10% of fructus forsythiae volatile oil, 1%-20% of water-soluble high polymer material, 10%-60% of rubber substrate, 0.01%-0.2% of antioxidant, 1%-9.7% of foaming agent and 0.1%-87.89% of water, wherein the total content of the above components is 100%. The method for preparing the dressing comprises the following steps of: first, adding a proper amount of water in water-soluble high polymer material so as to over-swelling the water-soluble high polymer material, then adding fructus forsythiae volatile oil to form I-phase solution, then adding antioxidant in the rubber substrate and evenly stirring to form II-phase solution, hybrid mixing I-phase solution and II-phase solution, adding foaming agent and rest water, fully stirring, transitively coating on the base mounting material, refrigerating and then unfreezing. The fructus forsythiae volatile oil medical hydrocolloid dressing has exact treatment effect, is safe and reliable, and has obviously economic benefits.

The invention discloses a medical dressing of a Shuanghuanglian form-stable hydrogel and a preparation method thereof. The medical dressing of the Shuanghuanglian form-stable hydrogel is formed by laminating of two layers of materials, one layer is formed by subbottom mounting material, and the other layer comprises: Shuanghuanglian extract, polyoxygen enol, polyoxyethylene, glycerol and water. The preparation method of the medical dressing comprises the following steps: weighing the Shuanghuanglian extract, and dissolving the Shuanghuanglian extract in water, adding the polyoxygen enol, stirring to lead the mixture to swell, then adding the glycerol, stirring to lead the polyoxygen enol to be dissolved, adding the polyoxyethylene after cooling, stirring and dissolving, degassing in vacuum, and coating the mixture on the subbottom mounting material by transitivity, thus obtaining the medical dressing of the Shuanghuanglian form-stable hydrogel. The medical dressing is stuck on the diseased parts of patients, has no toxicity, nonirritant, no irritability and no stripping response, as well as functions of high hygroscopicity, deodorization, water resistance and the like simultaneously.

A health-care nano-class board with the functions of killing bacteria, releasing negative ions, removing odor and emitting infrared ray is composed of a shaving board as substrate, a composite nano-class decorative film, and a thermosetting adhesive layer between first two layers.

The invention discloses a folding type hollow plate reusable container, comprising a first plate, a second plate, a third plate, a fourth plate and four hinges, wherein the first plate, the second plate, the third plate and the fourth plate are all plastic hollow plates; the first plate and the second plate have same structure and are arranged in parallel from front to rear; the third plate and the fourth plate have same structure and are arranged in parallel from left to right; the four plates are stamped and bent so as to form a front plate, a rear plate, a left plate, a right plate, four top covers and four bottom covers; two sides of the front plate, the rear plate, the left plate and the right plate are respectively provided with three to eight rivet mounting holes, and the four hinges are also provided with corresponding rivet mounting holes; the first plate, the second plate, the third plate and the fourth plate are riveted and fixed by the four hinges and rivets, thus connecting together and forming a rectangular box body; and protecting strips made of PE cotton are attached on the parts of the four hinges in the box body and protect stored articles in the box from being collided and scratched. The folding type hollow plate container has simple structure, convenient folding and less occupied space.

The invention discloses a heat-insulating TPU (thermoplastic polyurethane) protective film which comprises a base material layer and a rubber layer arranged at the lower part of the base material layer, wherein the base material layer is a TPU film, the upper surface of the TPU film is provided with a heat insulation coating, the heat insulation coating comprises the following components in partsby weight: 20-50 parts of a heat-insulating filler, 50-80 parts of polyurethane acrylic resin, 0.01 to 6 parts of a cross-linking agent and 0.01 to 10 parts of a metal oxide; wherein the heat-insulating filler is hollow glass beads or/and high-molecular microspheres. The TPU film provided by the invention has good mechanical property, heat resistance, heat insulation property and oil contaminationresistance, and is especially suitable for kitchen utensils and building outer windows.

The invention discloses a high-power carbon fiber electric heating plate, a production process and an application device. The high-power carbon fiber electric heating plate comprises a plurality of layers, namely a benzoxazine resin insulation layer I, carbon paper and a benzoxazine resin insulation layer II which are sequentially arranged from top to bottom, wherein the middle layer of carbon paper is encapsulated up and down by the benzoxazine resin insulation layer I and the benzoxazine resin insulation layer II; a conductive material in contact with the carbon paper is also encapsulated between the carbon paper and the benzoxazine resin insulation layer I and/or between the carbon paper and the benzoxazine resin insulation layer II; the conductive material is used as an electrode and is connected with a power supply by virtue of a lead; the benzoxazine resin insulation layer I and the benzoxazine resin insulation layer II respectively comprise cured benzoxazine resin or cured and modified benzoxazine resin; glass cloth is used as a resin reinforcing material. According to the high-power carbon fiber electric heating plate, epoxy resin is replaced by the benzoxazine resin and the modified resin of the benzoxazine resin, so that the carbon fiber electric heating plate with high-heat-resistance upper and lower insulation layers and development power reaching 1100-1500w is obtained.

The invention relates to the field of thermal insulation construction material, and specifically relates to a reflective thermal insulation paint, preparation and applications thereof. The reflective thermal insulation paint is composed of the following components in parts by weight: 20 to 40 parts of tert-acetic styrene acrylic emulsion, 30 to 40 parts of thermal insulation powder, 15 to 20 parts of pigments and fillers, 1 to 10 parts of auxiliary agent, and 30 to 40 parts of water. The reflective paint is composed of tert-acetic styrene acrylic emulsion and thermal insulation powder with a high reflectivity, has the advantages of no toxicity, no odor, waterproofness, and good gas permeability, and can effectively reflect the infrared rays in sunshine lights so as to reduce the temperature.

The invention discloses a macromolecular plastic hollow plate which comprises the following raw materials in parts by weight: mixed resin, polyethylene, flatting agent, polyethylene low-molecular waxdispersing agent, powdered colorant, ethyl alcohol solvent, organic pigment, color control agent, modified nanometer activated carbon, diisooctyl, reactive diluent, polyether amine, flexibilizer and curing agent. A preparation method for the macromolecular plastic hollow plate comprises the following steps: S1) smashing and mixing the raw materials; S2) adding additives; S3) pre-plasticizing; S4)setting under the conditions of pressurizing and cooling; S5) molding the product. The produced macromolecular plastic hollow plate is a green environment-friendly product, is non-toxic, non-pollution, waterproof, shake-proof, anti-aging, anti-corrosion and rich in color, is pollution-free to environment, is simple in use, is recyclable, and is reasonably utilized so as to realize renewable resources.

The invention discloses decorative fragrant mud and a preparation process thereof, the raw materials are natural plant aromatic substances, resin, wood and the like, the processed fragrant mud coating can emit the natural aromatic odor of plants, can be used as a decorative material, can play roles in refreshing air and improving the environment, and is non-toxic, free of peculiar smell, waterproof, and good in air permeability, the product has the decorative effect, people can enjoy the incense culture at any time without going out while playing a role in decoration, and the incense can be widely applied to residential houses, office buildings, hospitals, schools, hotels, shopping malls, underground garages, pharmaceutical factories, food factories, ships and the like to improve the indoor environment air quality, decoration and protection.

The invention discloses cement-based quick repair mortar for an internal wall and a preparation method of the mortar, wherein the cement-based quick repair mortar for the internal wall is prepared from the following ingredients in parts by weight: 200-300 parts of ordinary Portland cement, 100-200 parts of sulphoaluminate cement, 600-650 parts of sand, 150-200 parts of water, 100 parts of a filler, 1-5 parts of lithium sulfate, 2 parts of a water reducing agent, 1.5-3 parts of cellulose ether, 10-30 parts of rubber powder, 0.5-2 parts of a wetting tackifier and 2-6 parts of a retarder. The cement-based quick repair mortar for the internal wall prepared by the invention has few components, low raw material cost and good shrinkage and expansibility, can be dried quickly, does not shrink or crack, is waterproof, and does not require maintenance.

The invention relates to the field of building paint, in particular to rock paint. The invention is characterized in that the rock paint comprises natural marble powder, paint, water, cellulose, thickening agents, defoaming agents, lubricating agents and corrosion agents. The invention has the advantages of good safety performance, water prevention, heat insulation, safe and simple operation and low cost.

The invention discloses an obstacle meeting ultrasonic alarm mobile phone. The mobile phone is provided with an integrated single-chip, a mobile phone left ultrasonic transmitter, a mobile phone right ultrasonic transmitter, a mobile phone head ultrasonic transmitter, a mobile phone left frequency signal drive amplifying circuit, a mobile phone right frequency signal drive amplifying circuit, a mobile phone head frequency signal drive amplifying circuit, a mobile phone left ultrasonic receiver, a mobile phone right ultrasonic receiver, a mobile phone head ultrasonic receiver, a mobile phone left ultrasonic received signal amplifier, a mobile phone right ultrasonic received signal amplifier, a mobile phone head ultrasonic received signal amplifier and a temperature sensor. An ultrasonic sensor is provided with near, middle and far alarm modes. The default alarm distances are 0.5m, 1m and 3m. When an obstacle is within an alarm range, an image appears in a mobile phone screen and/or a mobile phone loudspeaker sounds to give out alarm information. Various accidents are effectively prevented when a user watches the mobile phone.

The invention provides an integrated hot melting process of a seat cushion. The integrated hot melting process comprises the following steps: a material preparation step: preparing a seat cushion body and a bottom shell layer; a mold placing step: placing the seat cushion body into a lower mold in an inverted manner, and placing the bottom shell layer into an upper mold in an inverted manner for adsorption; a hot plate inserting step: inserting a hot plate between the upper die and the lower die; a melting step: enabling the upper mold and the lower mold to be close to the hot plate, enabling the plurality of first hot melting line end surfaces and the plurality of second hot melting line end surfaces to be in contact with the hot plate, and melting into a molten state; taking out the hot plate: withdrawing the upper die and the lower die, and withdrawing the hot plate outwards; a hot melting step: the upper mold and the lower mold are closed, so that the rubber shell layer and the bottom shell layer are welded and combined into a whole through the plurality of first hot melting lines and the plurality of second hot melting lines; taking out a finished product: withdrawing the upper mold and the lower mold, and taking out the finished product; therefore, the attractiveness and the firmness of the seat cushion can be improved.