170results about How to "Avoid detachment" patented technology

A keyboard device for use with a tablet personal computer includes a base body and an upper cover. The base body includes a handle and plural keys. The handle is integrally formed with the base body. The upper cover has a receptacle for accommodating the tablet personal computer. The upper cover is connected with the base body. In addition, the upper cover is rotatable with respect to the base body in order to open or close the upper cover of the keyboard device. When the upper cover of the keyboard device is opened, the tablet personal computer is stored within the receptacle, so that the user may input characters or symbols to the tablet personal computer by depressing the keys. Whereas, when the upper cover of the keyboard device is closed, the keyboard device may be carried by grasping the handle.

A spark plug in which an ignition portion of a ground electrode formed through joining of a noble metal chip to the ground electrode has high durability, and a method of manufacturing the spark plug.

The invention relates to a production process of a flannel mould color burnt-out blanket. The production process comprises the steps of raw material selection, weaving, printing pretreatment, printing and aftertreatment. The production process has the beneficial effects that the process is transferred to a circular screen printer to be operated, so that the resource space of a factory is greatly utilized, the cost is reduced, and the register is preciser; the traditional acidic burnt-out mode is broken through, alkaline burnt-out is adopted, so that the burnt-out variety is increased, and the diversity of the market is enriched; and the flannel burnt-out blanket integrates the characteristics of a burnt-out processing process and a foam printing process in unique styles of elegant and novel appearance, soft and smooth handfeel, graceful pendency and beautiful color, and forms cavities by a burnt-out process, and the phenomenon of sloughing or wadding loosing in the washing process can be prevented by the foam printing process after the cavities are formed.

A liquid jetting system includes a liquid container including a front wall, and a side wall having a bias-force receiving part, and a liquid jetting apparatus including a holder that receives installation of the liquid container through insertion of the liquid container in a prescribed insertion direction with the front wall facing forward. The holder further includes a liquid feed needle that receives feed of liquid from the liquid container when the liquid container has been installed, a holder-side electrode situated to a upper side from the liquid feed needle and adapted to electrically connect with the liquid container when the liquid container has been installed, and bias force part situated to a lower side from the liquid feed needle and adapted to exert a bias force on the bias-force receiving part of the liquid container in a prescribed biasing direction when the liquid container has been installed. The liquid container further includes a feed part having a liquid feed port that opens onto the front wall and that receives insertion of the liquid feed needle when the liquid container has been installed in the holder, and a container-side electrode that is to be secured at such a location as to electrically connect with the holder-side electrode when the liquid container has been installed in the holder. The biasing direction is established such that an extended line extending in the biasing direction from the bias-force receiving part is offset from the container-side electrode towards the side wall side.

A protection circuit assembly and a battery pack including the same detachment of a lead plate from a protection circuit board. The battery pack includes a bare cell including a cap assembly having an electrode terminal and a cap plate; and a protection circuit assembly including; a protection circuit board having first and second connection terminals, a first lead plate to connect the first connection terminal to the cap plate, and a second lead plate to connect the second connection terminal to the electrode terminal, the second lead plate including a groove and/or a hole formed at one side connected in the second connection. A solder cream is applied to sides and upper edges of the lead plate to securely attach the second lead plate to the protection circuit board, thereby preventing the detachment of the second lead plate from the protection circuit board.

A compact flashlight is configured such that it can be coupled to a key ring, as well as various other devices, and includes a locking mechanism that inhibits accidental opening and detachment from the ring or other device. The compact flashlight is further configured to allow the flashlight to be pointed in numerous directions while resting on a surface, and further allows for ease of battery replacement. The compact flashlight additionally includes a plurality of switches that are easy to operate, and includes both a momentary switch and an on-off switch.

The invention belongs to the technical field of gas separation, and relates to a pressurized regeneration method for capturing carbon dioxide in flue gas by an alcohol-amine method; the method is different from a traditional process for capturing carbon dioxide in flue gas by an alcohol-amine method, and the regeneration process is not single normal-pressure regeneration, but normal-pressure regeneration is firstly carried out, and then pressurized regeneration is carried out after a solution is pressurized. The method provided by the invention has the advantages of high regeneration reactionheat efficiency, remarkably reduced regeneration energy consumption, simple process, no need of introducing external high-pressure gas stripping gas, high heat utilization efficiency, high pressure ofregenerated carbon dioxide and the like, and has a good application prospect in the field of carbon dioxide capture.

An aluminum electrolytic tank baking method relates to the technology method for electrolytic preparation of the metal aluminum with alumina as raw material, especially a novel electrolytic tank current-carrying baking method in the process of electrolytic preparation. The preparing process comprises: pouring the molten liquid aluminium into the novel electrolytic tank, covering the liquid aluminum with the cryolite, and current-carrying baking until the voltage is down to 1.5-2.0V from 3V naturally, characterized by : when the tank voltage is less than 2.0V, employing the gradually lifting anode method for improving the voltage, keeping the voltage of 2.0-2.1V, improving the voltage to 3V again at the 24 hours before starting, and finishing the electrolytic tank baking when the temperature reaches 850-900 DEG C.

The invention discloses a synthetic method of 5-(N-ethyl-N-2-ethylol amine)-2-amylamine. The method comprises the following steps: (1) the preparation of a catalyst, to be specific, dispersing and dissolving nitrate into an organic solvent, adding oxide or nanopowder of carbonate into the organic solvent, after ultrasonic stirring, evaporating the organic solvent to dryness, carrying out vacuum drying and grinding the dried solvent into fine powder to obtain the catalyst; (2) adding xylene, 5-chlorine-2-pentanone and N-ethylethanolamine in a reaction flask in sequence, stirring the materials, adding the prepared catalyst, heating the flask to increase the temperature till reflux occurs, cooling the heated materials to room temperature, filtering the materials to obtain a filtrate, fractionating the filtrate to obtain 5-(N-ethyl-N-2-ethylol amine)-2-pentanone; (3) putting 5-(N-ethyl-N-2-ethylol amine)-2-pentanone in a hydrogenation flask, adding aminomethanol and raney nickel to perform reaction under hydrogen pressure; after the reaction, displacing the hydrogen and ammonia in the system with nitrogen, filtering the reaction liquid to obtain a filtrate, fractionating the filtrate to obtain 5-(N-ethyl-N-2-ethylol amine)-2-amylamine. The method is high in conversion rate, simple and convenient to operate, high in yield, low in cost, easy for industrial production, safe and environment-friendly.

The invention discloses a technology for extracting gold from a superfine carbonaceous gold ore containing arsenic sulfide. The gold extracting method is provided in a way of combining a complex technology. The technology is characterized in that gold losses caused by difficult dressing are avoided through the direct treatment of a primary ore; the primary ore is pretreated by an oxygen pressure technology, the sulfide is oxidized to release gold particles, and convenient carbonitriding leaching is realized; in the process of oxygen pressure oxidation pretreatment, reaction is carried out in a liquid phase, no sulfur dioxide or arsenic oxide escapes, and arsenic elements are trapped in leaching residues, so that environment problems are solved; meanwhile, the gold robbing activity of carbonaceous substances is partially or completely passivated; during carbonitriding gold leaching, the problems that difficult solid-liquid separation is caused by high clay and the like are avoided through the adoption of a CIL (Carbon-in-Leach) technology so as to increase the recovery rate of the gold and overcome environment pollution caused by emission in the gold extracting process.

The invention provides a variable thickness preform, a composite component and a yarn reduction method of a variable thickness preform. The variable thickness preform comprises a main body fiber partwhich is composed of several warp yarns and weft yarns and a drawing part which is formed by withdrawal fibers, getting away from the main body fiber part, of the warp yarns and weft yarns which formthe main body fiber part, the withdrawal part makes the number of fibers of the preform at least in one direction reduced; the withdrawal fibers comprise withdrawal warp yarns and withdrawal weft yarns which are drawn out of the main body fiber part from draw-out points, the withdrawal weft yarns do not comprise the weft yarns located on the outer side of surface layer warp yarn in the drawing outprocess. Therefore, the yarn decoherence phenomenon, caused by yarn reduction, of the preform is avoided, and the integrality of the preform; by optimizing the draw-out point structure movement ruleadjustment, variable thickness profile preform net shaping manufacturing is achieved.

The invention relates to the technical field of power construction hoops, in particular to a quick-disassembly type foundation hoop used in power construction. The quick-disassembly type foundation hoop comprises a hoop main body in a chain shape overall. The hoop main body comprises a plurality of connection parts which are connected sequentially end to end. Each connection part comprises a hoop connection seat, wherein a connector installing cavity is formed in the hoop connection seat, an opening of the connector installing cavity is formed horizontally, a hoop connector is rotationally arranged in the connector installing cavity, a connector holding cavity is formed in the end, away from the connector installing cavity, in the hoop connection seat, the inner wall of the connector holding cavity is provided with a limiting groove, and a limiting part is slidably arranged in the hoop connector and is matched with the limiting groove to be used for fixing the hoop connector in the connector holding cavity. The quick-disassembly type foundation hoop can be suitable for fixing of power device of different diameters, two connection parts can be connected and disassembled conveniently, and thus the quick-disassembly type foundation hoop can be installed and disassembled more conveniently.

The invention relates to a method for synthesizing anlotinib and hydrochloride thereof. Specifically, the method comprises steps (1) to (3) and step (4) or (5) in the description. According to the method disclosed by the invention, a technological flow is extremely simplified and the method is suitable for industrial production.

The invention relates to a fish oil pumping device and pumping method. The fish oil pumping device comprises a fish oil temporary storage container, an oil pumping conveying pipeline and two pumping device bodies, wherein the two pumping device bodies are connected in parallel between the fish oil temporary storage container and the oil pumping conveying pipeline and are provided with the same structure; the oil inlets of the pumping device bodies communicate with the fish oil temporary storage container; the oil outlets of the pumping device bodies communicate with the oil pumping conveying pipeline; the bottom height of the fish oil temporary storage container is higher than the oil inlets; each of the two pumping device bodies comprises a cylinder and a piston arranged in the cylinder in a sealing, sliding and sleeving manner; the oil outlets are formed in the opening end parts of the cylinders; an opening-closing plate opens or closes the communicating part between each of the oiloutlets and the oil pumping conveying pipeline; and the upper ends of the opening-closing plates are hinged to the upper end parts of the cylinders. The fish oil pumping device and pumping method canovercome the adverse factor of the existing oil pump to fish oil, generate less heat and can avoid adverse effect of the heat to the fish oil quality.

The invention relates to a frame type sling and a combined stacking sling with frame type slings. The combined stacking sling comprises at least two stacked slings. Each sling comprises a main frame, wherein the main frame comprises at least one frame unit, the frame unit comprises a bottom frame and front and back stand frames connected to the front and back sides of the bottom frame, a containing space for containing cargos is defined by the bottom frame and the front and back stand frames, a reinforcing beam is detachably connected between the front stand frame and the back stand frame, the upper portion of the frame unit is provided with a lifting ring, and the position, vertically corresponding to the lifting ring, of the lower portion of the frame unit is provided with a lifting lug hooked and matched with a lifting ring of a corresponding frame unit of the adjacent sling on the lower side. Sling connection is achieved through hooked connection between the lifting lugs and the lifting rings, connection is easy and convenient, rapid stacking and multi-way connection lifting of cargos can be achieved, cargos are fixed and held through the frames, and the lifting process is safer and more reliable compared with a traditional rope and the like.

The invention relates to a negative-pressure suction-type dental pad. The dental pad comprises a baffle and a groove. The lower half part of the dental pad is designed to be arc according to the shapeof a tracheal catheter in an oral cavity. A one-way vent hole is formed in the groove, a large gap is formed between the groove and the tracheal catheter, air is discharged through force pressing, the gap is obviously reduced, the interior of the groove is in negative pressure, and accordingly the tracheal catheter is sucked on the dental pad. Then, an injector is used for pumping air, and the negative pressure is increased for reinforcement and fixing. According to the unique negative-pressure suction-type design, the higher the negative pressure is, the firmer fixing is, and through negative pressure, the diameter of a ventilated cavity of tracheal catheter can become large. For a common fixing method, by adopting positive pressure, the catheter is possibly extruded to be flat, and thecavity becomes small. According to the unique negative-pressure suction-type design, the dental pad is directly sucked to the tracheal catheter, the volume of occupying the oral cavity is small, the pain of a patient can be reduced, nursing for the oral cavity is conducted conveniently and can be conducted just through one person, and the labor is saved. The negative-pressure suction-type dental pad has the advantages of being simple and reasonable in structure, low in cost, firm in fixing and powerful in function.

A device for absorbing shocks of a liftable and lowerable object such as a spare tire includes a first hoisting cable having a hoist-side end and an object-side end and a hollow cylinder encompassing a folded or coiled length of the first hoisting cable near the object end inside the cylinder. Lower and upper ferrules at the lower and upper ends of the cylinder are held in position by a second auxiliary cable having two ends, each end attached to one of the ferrules, the second auxiliary cable having a smaller tearing strength than the first hoisting cable.

The invention discloses an LED street lamp shell. The LED street lamp shell comprises a lamp holder, a lamp cover connected to the lamp holder, a hinge part enabling the lamp holder and the lamp cover to be in hinge connection, and a clip buckling part enabling the lamp holder and the lamp cover to be in a clip buckling connection relationship, wherein through holes are arranged in the bottom of the lamp cover; an inclination angle of 10-25 degrees is formed between the bottom surface of the lamp cover and the horizontal plane; and a lamp post fixing handle is connected to the bottom of the lamp cover. The LED street lamp shell disclosed by the invention is simple in structure, the inclination angle of 10-25 degrees is formed between the bottom surface of the lamp cover and the horizontal plane, and dead insects flow out through the through holes in the bottom of the lamp cover if existing in the LED street lamp shell, thus normal heat dissipation is ensured; and when an LED street lamp needs to be overhauled, the buckling connection relationship between the lamp cover and the lamp holder is terminated through adjusting the clip buckling part, in this way, the lamp holder is capable of rotating around the hinge part for the lamp holder and the lamp cover, and a space facilitating LED street lamp overhaul personnel to overhaul can be formed between the lamp cover and the lamp holder, thus complete separation for the lamp cover and the lamp holder during the overhaul process is avoided, and the overhaul difficulty for overhead working of the LED street lamp overhaul personnel is reduced.