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68results about How to "Does not affect usability" patented technology

Sodium pyruvate nasal spray and preparation method thereof

The present invention relates to a nasal spray containing sodium pyruvate and a preparation method thereof, belonging to the field of medical technology, being characterized in that: the nasal spray containing sodium pyruvate comprises the following components: sodium pyruvate, pyruvic acid, an isoosmotic adjusting agent, a preservative and water. Because the sodium pyruvate is capable of alleviating nasal obstruction and inflammation caused by rhinitis, a medical fluid provided in the invention can be made into a nasal spray medical fluid which is capable of entering nasal cavities by adopting a portable spraying device. The nasal spray medical fluid is particularly suitable for cleaning and removing harmful pollutants in nasal passages, paranasal sinuses and mucosal cilia and is capable of being used in nursing after a nasal cavity operation, relieving rhinostegnosis and reducing respiratory tract irritation and risks of infection. By adding the pyruvic acid to form a buffer solution, tingling caused by using the flushing fluid to wash the cavities can be reduced, and inflammation is alleviated. Allergic symptoms can be prevented or gradually alleviated for the people of special professional who often use the product provided in the invention to wash and care nasal cavities.
Owner:JIANG SU PHARMAMAXCORP +1

Bracelet type wearing equipment and forming mould, manufacturing system and processing method of equipment

The invention discloses bracelet type wearing equipment and a forming mould, a manufacturing system and a processing method of the equipment. The bracelet type wearing equipment comprises a wrist-shaped elastic sheet with an opening groove, a PCB (Printed Circuit Board) fixed outside one end of the wrist-shaped elastic sheet, and a battery fixed outside the wrist-shaped elastic sheet, and further comprises a shell positioned at the peripheries of the wrist-shaped elastic sheet and the battery, wherein the shell comprises a hard inner shell and a soft outer shell arranged at the periphery of the hard inner shell, and an MCU (Microgrammed Control Unit) chip electrically connected with the battery is arranged on the PCB. By adopting the bracelet type wearing equipment, the difficulty that bracelet type wearing equipment simultaneously requires strength and flexibility in the prior art is solved. The soft outer shell is of a structure with an outer side and an inner side which are formed by times, and thus the appearance of a product is favorably beautified, and step surfaces or corners are arranged at adjacent parts of the inner side and the outer side so that burrs on secondarily formed joints are favorably hidden. By adopting the manufacturing system of a manipulator, the mould forming of four stages of the bracelet type wearing equipment can be realized, no manual operation is required, and the production efficiency is improved.
Owner:GOODYEAR MOLD

Method and device for inhibiting size of austenite grains at corners of continuous casting slab

InactiveCN110860662AImprove Narrow Face QualityPromoting disperse distribution precipitationAustenite grainNarrow face
The invention discloses a method and device for inhibiting size of austenite grains at corners of a continuous casting slab, and belongs to the technical field of metallurgical continuous casting. Thedevice comprises a wide-face copper plate fixed to a wide-face supporting plate and a narrow-face copper plate fixed to a narrow-face supporting plate, wherein the upper end face of the narrow-face copper plate is flush with the upper end face of the wide-face copper plate; the lower end face of the narrow-face copper plate is 100-300mm shorter than the lower end face of the wide-face copper plate; foot roller supports are symmetrically fixed to the lower end face of the narrow-face supporting plate; foot rollers are symmetrically arranged on the foot roller supports; the inner roller face formed by the foot rollers positioned on one side and the inner wall of the narrow-face copper plate are positioned on the same plane; a spraying rod is fixed to the foot roller supports through spraying rod supports; and one end of a spraying branch pipe is fixed to the spraying rod and communicates with an inner cavity of the spraying rod, and a nozzle is mounted at the other end of the spraying branch pipe. The heat transfer condition is improved, the cooling rate is increased, surface grain refinement and dispersion distribution and precipitation of precipitates in crystals are effectively promoted, and the quality of the narrow face of the casting slab is improved.
Owner:MAANSHAN IRON & STEEL CO LTD

Artificial floating bed system and method for purifying water quality by using superfine fibers

The invention discloses an artificial floating bed system for purifying water quality by using superfine fibers. The artificial floating bed system comprises a floating bed, a planting basket, planting basket filler, floating bed plants, superfine fiber three-dimensional artificial waterweeds, a supporting frame, an aeration device, a microbial preparation and a box body. The invention also discloses a method for purifying water by using the system. The method comprises the following steps of: aerating and oxygenating sewage through micropores, and intercepting, adsorbing and decomposing pollutants in the sewage by a biological membrane attached to the superfine fiber three-dimensional artificial waterweeds in the superfine fiber artificial waterweed restoration area. Pollutants in the water body are absorbed, metabolized and decomposed by microorganisms at the roots of the plants and on the attached filler when flowing through the plant synergistic microorganism remediation area. A microbial agent is added, and microorganisms are used for effectively adsorbing, converting and degrading nitrogen and phosphorus in the water body, so that algae propagation is inhibited, and the waterbody is effectively purified. The artificial floating bed system has the advantages of readily available materials, low construction and operation costs, convenient manufacture, landscape beautification, water quality improvement, and good application prospect.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY +1

Multifunctional wall-mounted display device

The invention discloses a multifunctional wall-mounted display device. A fixing assembly, an installing assembly and a display screen body are included. The display screen body is connected with the fixing assembly. The fixing assembly is connected with the installing assembly. The installing assembly comprises an installing piece and an adjusting assembly. The adjusting assembly comprises a leadscrew, a connecting rod, a handle, a first moving piece, second moving pieces, an air cylinder and a telescopic piece. The lead screw is arranged in the installing piece. The upper end of the connecting rod is connected with the lower end of the lead screw, and the lower end of the connecting rod is connected with the handle. One end of the first moving piece is in threaded connection with the lead screw, and the other end of the first moving piece is rotationally connected with the fixing assembly. The two second moving pieces are arranged and are in threaded connection with the lead screw. The two ends of the air cylinder are connected with the upper second moving piece and the fixing assembly correspondingly. The two ends of the telescopic piece are connected with the lower second moving piece and the fixing assembly correspondingly. According to the multifunctional wall-mounted display device, through the arrangement of the lead screw, the first moving piece and the second moving pieces, the height of the display screen body is adjusted; through the arrangement of the air cylinder and the telescopic piece, the angle of the display screen body is adjusted; and meanwhile, the display screen body is convenient to mount and dismount, and device functions are diverse.
Owner:广东星神科技有限公司

Abat vent for wind blowing prevention

The invention relates to the technical field of abat vents, and discloses an abat vent for wind blowing prevention. The abat vent comprises a window frame, wherein a groove I is formed in the upper end of the window frame, a rotating shaft is movably connected to the interior of the groove I, the left end of the rotating shaft penetrates through the left end of the groove I to be fixedly connectedwith a motor, the right end of the rotating shaft is movably connected to the inner wall of the right end of the groove I, a curtain is wound around the rotating shaft, counterweight blocks are fixedly connected to the left side and the right side of the front end of the curtain, and magnet blocks are fixedly connected to the surfaces of the front ends of the counterweight blocks. According to the abat vent for wind blowing prevention, positive magnetic columns and negative magnetic columns in sliding blocks generate attraction through the magnet blocks, so that the positive magnetic columnsand the negative magnetic columns are attracted out from the interior of the sliding blocks, the lower end of the curtain is fixed, and it is guaranteed that the curtain cannot be sucked out to the outside of a window by suction force of wind to cause the poor shading effect when the window is opened to keep indoor air ventilation in weather with large sunshine.
Owner:长兴盛湖科技有限公司

Anti-theft device for instrument at petroleum well head and petroleum exploitation pipeline

The invention provides an anti-theft device for an instrument at a petroleum well head and a petroleum exploitation pipeline and belongs to the field of safety and theft prevention. The device comprises a lock cylinder mechanism, a spring bolt mechanism, a handle and a locking shell. The locking shell comprises a top wall, a bottom wall and a fence. The bottom wall is fixed on a metal tube of the instrument at the petroleum well head, the fence is provided with an opening, a cover plate is arranged at the opening, and the cove plate is rotatably connected to the top wall. The spring bolt mechanism comprises a telescopic rod, a first-level locking rod and a second-level locking rod; the first-level locking rod is connected to the telescopic rod, and the second-level locking rod is connected to the telescopic rod. A first-level locking part and a second-level locking part are arranged on the cover plate. The lock cylinder mechanism has a driving assembly which is in driving connection to the second-level locking rod. The handle comprises a diameter-variable locking end. The anti-theft device for the instrument at the petroleum well head is directly mounted out of the instrument to wrap the instrument, so that not only is use of the instrument not affected, but also the instrument is prevented from being likely to be damaged or stolen; the instrument is safer to use, and the maintenance and replace costs are lowered.
Owner:CHINA PETROLEUM & CHEM CORP

Switching device used for multi-split air conditioner and multi-split air conditioner with switching device

The invention discloses a switching device used for a multi-split air conditioner and the multi-split air conditioner with the switching device. The switching device used for the multi-split air conditioner comprises a base, a water receiving disc, a plurality of vibration reduction pads and a plurality of fixing parts; the base comprises a bottom wall and side walls, the side walls surround the bottom wall and extend from the edge of the bottom wall upwards, the water receiving disc is arranged in the base, and the bottom face of the water receiving disc and the bottom wall of the base are vertically spaced, and the vibration reduction pads are arranged on the water receiving disc and arranged in the circumferential direction of the water receiving discs at intervals; the fixing parts are arranged on the vibration reduction pads and are connected with the side walls of the base, and the fixing parts are spaced from the water receiving disc. According to the switching device used for the multi-split air conditioner, the phenomenon that noise generated by flowing of refrigerants over a heat exchange system is spread to the base through the water receiving disc is effectively avoided, and therefore the noise of the air conditioner with the switching device is greatly reduced; the use occasion and the mounting position of the air conditioner are expanded, and the comfort of the air conditioner is improved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Inner concealed oil cell of two-wheel motorcycle preventing ventilation hole from spilling oil

The invention discloses an air vent oil leakage-proof built-in gasoline tank for two-wheeled motorcycle, comprising a gasoline tank, a gasoline tank cover, a gasoline tank housing, a throughhole, and an automatic on-off vent device, wherein the gasoline tank is covered with the gasoline tank cover, which is arranged on the gasoline tank; the throughhole is arranged on the top end face of the gasoline tank housing; the automatic on-off vent device is positioned on the upper end of the throughhole and is fixedly connected with the housing. The automatic on-off vent device comprises a valve body and a cover body; wherein the valve body is fixedly connected at the bottom of the cover body; a valve base with a downward cavity mouth is arranged on the lower part of the valve body; an air vent is positioned on the top part of the valve cavity of the valve base; a sphere valve core is arranged in the valve cavity, which has the displacement degree of freedom to the top part of the valve cavity; the bottom of the valve cavity is sealed with a back cover; a blowhole is arranged on the sidewall of the valve base, which is communicated with a intra-cavity of the housing; the cover body is provided with a vent pipe connected with a purification device. The invention not only can open to ventilate in an ordinary condition, but also can automatically close when the motorcycle turns sideways, so as to prevent the gasoline in gasoline tank from flowing into the purification device through the vent pipe.
Owner:CHONGQING JIANSHE MOTORCYCLE CO LTD

Crimping machine

The invention relates to a crimping machine. The machine comprises at least two dies used for crimping a pipe fitting, mounting bases, an adjusting assembly, a front die and a rear die. The dies are evenly distributed in the circumferential direction of the pipe fitting, the dies are fan-shaped, and all the dies are spliced into a cylinder with the inner diameter; and the mounting bases are arranged corresponding to the dies, each mounting base is detachably connected with the dies through a dismounting assembly, all the mounting bases define a mounting assembly, and when the dismounting assembly moves in the radial direction of the mounting bases, the mounting bases and the dies are in a movable state, and the adjusting assembly is used for tensioning the mounting bases and adjusting the positions of the mounting bases. The front die is matched with the front part of the mounting assembly; and the rear die is matched with the rear part of the mounting assembly; and the front part and the rear part of the mounting assembly are cones. According to the crimping machine provided by the invention, the roundness error of the crimped pipe fitting is small, the assembly and the use of the pipe fitting are not influenced, and meanwhile, when pipe fittings with different diameters need to be crimped, the dies are convenient and rapid to replace.
Owner:CHANGSHA HEIJINGANG IND CO LTD

Preparation method and application method of magnesium peroxide antibacterial agent

The invention discloses a preparation method and an application method of a magnesium peroxide antibacterial agent. The method comprises the following steps: adding magnesium chloride hexahydrate into a hydrogen peroxide solution, stirring until magnesium chloride is completely dissolved, and adding a NaOH solution dropwise while stirring until synthesis of insoluble magnesium peroxide is completed; filtering the generated magnesium peroxide by filter paper, and using clear water to wash impurities adsorbed on the magnesium peroxide product; transferring the cleaned magnesium peroxide from the filter paper to a glass surface vessel and drying to finish preparation of the magnesium peroxide; grinding the synthesized magnesium peroxide antibacterial agent into powder, mixing the powder and acrylamide in an aqueous solution uniformly, and preparing finishing liquid under ultrasonic treatment; soaking fibers in the finishing liquid, performing roll compacting on a padder, drying for a certain time and performing high-temperature solidification to finish cross linking; and washing the finished fiber with water. The preparation method and the application method of the magnesium peroxide antibacterial agent have the beneficial effects of high antibacterial property and no influence on the original wearability of textiles.
Owner:WUHAN TEXTILE UNIV +1
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