97results about How to "Eliminate shedding" patented technology

The invention discloses a pneumatic high pressure regulating valve. The pneumatic high pressure regulating valve comprises an executing mechanism and a valve part which is arranged under the executing mechanism, wherein the valve part comprises a valve body; an inlet runner and an outlet runner are arranged in the valve body; and an angle formed between the inlet runner and the outlet runner is 120 degrees. The pneumatic high pressure regulating valve disclosed by the invention has the advantages as follows: as the plurality of special structural designs are adopted, applicable pressure difference of the valve is very high and cavitation phenomenon is completely eliminated; sensitive action and high response speed are obtained and the pneumatic high pressure regulating valve can be freely closed and opened and can be tightly closed when meeting very high fluid pressure difference; a side flange and a valve cage of the specially designed valve body can be also used for guiding fluid, buffering fluid pressure and protecting a valve core against being damaged by fluid ablation, flash evaporation and cavitation; meanwhile, noises can be also reduced; simple and rapid maintenance and low cost are also obtained; the service life is obviously prolonged; and the pneumatic high pressure regulating valve is especially suitable for automatically controlling high temperature and high pressure mediums with high pressure differences and is safe and reliable in use. The pneumatic high pressure regulating valve disclosed by the invention is especially incomparable with other valves in advantages when being used for places with high pressure urea and other easily crystallized mediums.

Non-shedding light duty fibrous filter material containing activated carbon and/or other sorbtive granules is disclosed having a thickness of ⅛ inch to ⅜ inch and composed entirely of low melt fibers of 4 to 15 denier. Heavy duty filter material, also of a non-shedding clean character, is of ¾ to 1 inch thickness and comprises a mixture of 70% structural fibers and 30% low melt fibers.

The invention discloses a hanging tool for a hung conveying spraying line. The hanging tool for the hung conveying spraying line comprises a hanging clamp, a hanging head and a hanging tool body. The hanging tool body is provided with at least one hanging arm set. Each hanging arm set is provided with two hanging arms which are circumferentially and symmetrically distributed. The hanging head is connected to the hanging clamp through a hinge pin horizontally arranged. A shaft neck of an end socket structure is integrally formed on the lower portion of the hanging head. The hanging head is connected with a hanging basket in a coaxially rotary mode through the shaft neck and an end socket. The lower portion of the hanging basket is connected with the hanging tool body. The hanging basket comprises a beam connected with the hanging head. The beam is connected with a basket body with an opening and of a container shape through connecting screws on the two end portions. The beam is of a vertically combined structure or a laterally combined structure composed of a first beam body and a second beam body. The first beam body and the second beam body are respectively provided with a semicircular hole matched with the shaft neck. The two semicircular holes share the same axis and are arranged oppositely. The hanging tool for the hung conveying spraying line has the advantages that spraying line operation is safe, the production efficiency is high, the structure of the hanging tool is simple, manufacture is convenient, and the manufacturing cost is low.

A Ni—, Co—, and Mn— multi-element doped positive electrode material for lithium ion batteries and its preparation method are provided. The method for preparing said material consists of: first forming a Ni—, Co—, and Mn— multi-element doped intermediate compound by coprecipitation or chemical synthesis; mixing said multi-element intermediate compound with lithium salt and pre-processing the resulting mixture; adding polyvinyl alcohol into the mixture and mixing uniformly, then pressing the resulting mixture into blocks, and calcining these at 800˜930° C.; cooling outside the furnace, crushing and passing through a 400-mesh sieve; calcining the resulting powder at 700˜800° C., cooling outside the furnace and crushing to obtain the product. The positive electrode material obtained by the method described is in the form of non-agglomerated monocrystal particles, with a particle diameter of 0 5˜30 μm, the chemical formula LiNi_xCo_yMn_zM_(1-x-y-z)O₂, a compacted density of up to 3.4 g/cm³, and an initial discharge capacity of 145˜152 mAh/g. This positive electrode material shows excellent cycle performance and a high degree of safety.

The invention relates to a novel deformable non-axial-flow vene cava filter, which comprises a fixing rod, a deforming arm, a tensile ring, a self-adaptive tensile ring and a fixing component; one end of the fixing end and one end of the deforming rod are connected together through the fixing component; the self-adaptive tensile ring is connected to the end points of the other ends of the fixing rod and the deforming arm, and the tensile ring is connected to the middle parts of the fixing rod and the deforming arm to form an eccentric non-axial-flow conical structure. The deformable filter disclosed by the invention is tightly closed to a blood vessel wall through the tension effect and is conductive to cover an inner film; by adopting the eccentric structural design, the dynamic interference on the axial blood flow is reduced, and the captured thrombus is guided to be close to the blood vessel wall at one side; and the thrombus is bonded and organized with the blood vessel wall through a specially designed 'structural bare zone', and even through the filter at the later period is opened to be a bracket structure, the bonded thrombus is very hard to drop off. Meanwhile, the thrombus tightly adhered with the blood vessel wall is beneficial to activating a fibrinolytic system, so that autologous absorption can be carried out to remove the thrombus.

The invention discloses a construction method for a round underground continuous wall two-in-one structure. The construction method includes the following steps that (1) bracket steel sheet piles are prefabricated, and round steel reinforced concrete enclosing purlins are prefabricated in a segmented mode; (2) pile sinking is carried out; (3) a foundation pit is excavated; (4) gaps in locking positions of the steel plate piles are blocked; (5) the round steel reinforced concrete enclosing purlins are assembled; (6) the foundation pit continues to be excavated downwards until the design depth is reached, and the gaps in the locking positions of the steel plate piles are continuously blocked through waterstop steel strips; (7) a bottom plate waterstop steel plate is welded to the inner side faces of the steel plate piles, and the bottom plate waterstop steel plate surrounds the inner side of a support in the circumferential direction in an endless shape; and (8) a cushion layer is laid, then a bottom plate is cast to reach a set thickness, and the bottom plate waterstop steel plate is made to stretch into the bottom plate. Through the construction method, the support cost for the foundation pit of an underground building can be reduced effectively; on the basis, the support is used as an outer wall of the underground building, the novel structure that the support and the outer wall are integrated is formed, and a foundation is laid for reducing the overall construction cost of the underground building.

A high quality tooth brush softly and comfortably touching to teeth and gums, capable of providing high brushing feeling and massaging feeling and excellent dental plaque removing force, suitable for curing or preventing serious or slight periodontal disease and gingivitis, enabling the extraction of bristles since flocking strength is high and less causing cracking and whitening at a head part, wherein bristle bundles (5) formed by binding synthetic resin bristles (4) are implanted in implantation holes (3) in the head part (1). The cross sectional shape of the implantation hole (3) is formed in a circular hole with a diameter of 1.8 mm or longer or a hole with a size equivalent to the circular hole. The cross sectional shape of the synthetic resin bristles (4) implanted in the implantation holes (3) is formed in a circular shape with a diameter of 0.127 mm (5 mil) or less or a shape with a size equivalent to the circular shape. Also, the ratio (h/d) of the depth (h) of the implantation hole to the implantation hole (3) is set within the range of 1.7 to 2.5. In addition, the shortest distance between the implantation holes adjacent to each other is set to 0.1 to 0.4 mm.

The invention belongs to the field of carbon anode new materials for the electrolytic aluminium industry, and particularly relates to a preparation method of a graphene composite protective layer fora pre-baked carbon anode. The preparation method includes the steps of (1), adding graphene oxide in distilled water, stirring uniformly ultrasonically, adding phenolic resin with heating and stirring, performing redox reaction to obtain aqueous dispersion solution of graphene phenolic resin; (2) weighing a certain quantity of aqueous dispersion solution of graphene phenolic resin, sequentially adding graphite powder emulsion and nanometer aluminium oxide into the aqueous dispersion solution of graphene phenolic resin, and performing ultrasonic dispersion to obtain a graphene composite coating; (3), taking the graphene composite coating obtained the step (2), adding distilled water to dilute the graphene composite coating, covering the surface of the pre-baked carbon anode with the dilutedgraphene composite coating, and then drying naturally to obtain the graphene composite protective layer. The protective layer can effectively isolate oxidation action of air and carbon dioxide to carbon blocks; the carbon yield ratio in the air reactivity test is greater than 95%, and particularly the carbon yield ratio is greater than 96% after the CO2 reactivity test.

A binder has a pair of first binding members and a pair of second binding members corresponding to the first binding members. When each of the fist binding members and corresponding each of the second binding members are relatively turned, tip portions of these first and second binding members are closed or opened, realizing a state where papers are bound or a state where papers are released from binding. The binder has opening means for applying a force in a direction where the tip portions of the first and second binding members are opened, and has an operation lever for relatively turning the first and second binding members against the opening means, and for retaining the tip portions at a closed position. The binder is characterized in that connection portions are provided in the tip portions The connection portions are connected to each other through temporary elastic deformation of at least either of the first binding members and the second binding members, and inhibit the opening operation of the tip portions by strengthening the connection by means of force applied by the opening means.

The heat insulating quartz sand brick for outer wall decoration includes one facing material layer and one bed materail layer. The facing material layer consists of color cement 20-30 wt%, quartz sand 1-55 wt% and fine sand 15-79 wt%; and the bed material layer consists of cement 17-25 wt%, and haydite and sand 75-83 wt%. The present invention has both heat insulating and outer decorating effectsand may be used widely in various buildings with low cost.

The invention discloses an energy-saving and environmental-friendly light partition board and a preparation method thereof and relates to the technical field of partition boards. The partition board comprises the following raw materials in parts by weight: 65-70 parts of Portland cement, 40-50 parts of calcium carbonate, 32-35 parts of calcium oxide, 25-30 parts of a paraffin-kieselguhr compositephase change material, 20-24 parts of a modified carbon fiber, 10-18 parts of activated bentonite, 10-14 parts of a rubber powder, 9-10 parts of a modified loess powder, 9-10 parts of industrial solidwastes, 9-10 parts of modified fiber granules, 4-6 parts of an early strength agent, 4-6 parts of a water reduction agent, 4-6 parts of a foaming agent, 1-3 parts of a rare-earth catalyst and 75-95 parts of water. The energy-saving environmental-friendly light partition board is relatively good in pressure resistance strength, tensile strength, anti-cracking strength and hanging property, and inaddition has sound insulation and heat preservation effects.

The present invention is one kind of light curing treatment method for the surface of stone material, and the method has no solvent pollution, raised production efficiency, raised stone material quality, environment protecting effect and low power consumption, and can form film fast. The method includes the following steps: cleaning surface, drying surface, coating light cured glue to the surface of stone material homogeneously to form coating, and light curing to form film via irradiating withnear ultraviolet ray for certain time.

The invention provides a foot pedal mounting device for a bicycle. The device for mounting a foot pedal shaft can be mounted and dismounted freely and cannot make the foot pedal fall off due to the neglected force. The foot pedal mounting device consists of a coupling piece assembled in a foot pedal shaft mounting hole on a foot pedal crank and the foot pedal shaft provided with a stopping recessfor stopping a stopping body on the periphery. The coupling piece consists of a thread shaft collar of which the inside diameter has the same shape as that of the foot pedal shaft, the stopping body mounted in a through hole formed on the thread shaft collar, and a stop dog shaft collar mounted on the outer side of the thread shaft collar in a sliding mode. A spring is arranged between the threadshaft collar and the stop dog shaft collar; and when a bulge arranged on the thread shaft collar is aligned with a position on a groove formed on the stop dog shaft collar, the stop dog shaft collar is slid to release the stopping of the stopping body and the stopping recess.

The invention provides a die-casting double-bottom cooking utensil and a manufacturing method of the die-casting double-bottom cooking utensil, which belong to the technical field of machinery and solve the problem that a double-bottom sheet in an existing double-bottom pan body is easily deformed or easily falls off through heating. The manufacturing method comprises the following steps of A. manufacturing a metal sheet; B. punching; C. turning over edges; D. closing molds; E. casting molten aluminum; F. demolding. The die-casting cooking utensil comprises an open body which is made of an aluminum material, wherein the body is provided with a chassis for heating, the chassis is provided with the metal sheet which is made of a magnetic-conducting material, the metal sheet is provided with a plurality of through connecting holes, the chassis is provided with a plurality of connecting parts which are embedded into the connecting holes, the connecting parts and the connecting holes are in one-to-one correspondence, and a clamping structure which can be used for fixedly connecting each connecting part and the corresponding connecting hole is arranged between the connecting part and the connecting hole. The die-casting double-bottom cooking utensil has the advantages that the metal sheet is more firmly connected and does not easily fall off, and the like.

The invention relates to the technical field of processing methods for nuclear island main equipment parts, and discloses a method for grinding the chrome-plated layer of nuclear island main equipment parts, which includes the following steps: (1) chrome-plating the surface to be plated; Dimensional inspection of the parts as required to determine the coating thickness; (3) Grinding of the coating of parts that pass the inspection; (4) Dimensional inspection of chrome-plated parts as required; (5) PT for the coating of parts that pass the dimensional inspection Inspection; (6) Polish and polish the coating of parts that fail the PT inspection; (7) Perform PT inspection on the polished coating; (8) Conduct dimension inspection on parts that pass the PT inspection; Repeat steps (6) and (7) for unqualified parts until the PT inspection is qualified, and then proceed to step (8) after the PT inspection is qualified. The invention improves the pass rate of PT inspection and solves the problem of low pass rate of PT inspection after the chrome plating layer of the main equipment parts of the nuclear island is ground.

The invention discloses stone seamless adhesive glue and a preparation method thereof, relating to the technical field of stone adhesive glue. The stone seamless adhesive glue comprises the following components in parts by weight: 100 parts of unsaturated polyester resin, 3-10 parts of reinforcing agent, 5-15 parts of anti-settling agent, 0.5-1 part of ultraviolet adsorbent and 20-200 parts of filler. According to the invention, the adhesive strength of the stone seamless adhesive glue is remarkably improved, and the shedding phenomenon is avoided; firm seamless bonding of stone is realized; and the color durability of cured colloid under ultraviolet irradiation as well as the uniformity and stability of the colloid state are guaranteed.

The invention discloses titanium gypsum waste residue plastering mortar which comprises the following raw materials in parts by weight: 20-40 parts of titanium gypsum, 15-50 parts of coal ash, 15-40 parts of an alkali additive, 0-0.4 part of a modifier and 0.1-5 parts of a water reduction agent. A preparation method of the titanium gypsum waste residue plastering mortar comprises the following steps: firstly, uniformly blending and stirring dried, crushed, grinded and screened titanium gypsum powder and coal ash powder according to a certain ratio, controlling a water-binder ratio, further adding alkali additive powder and the modifier, and performing uniform blending and stirring, so as to finally obtain the titanium gypsum waste residue plastering mortar. The titanium gypsum waste residue plastering mortar disclosed by the invention has good mechanical properties and good adhesiveness, and common faults such as wall hollowing, cracking and dropping can be eliminated; in addition, theworking intensity of operators can be alleviated, the working environment can be improved, and pollution caused by lime paste preparation on a construction site can be avoided; and the mortar has thecharacteristics of being low in production and processing cost, simple in process operation, and the like, and can be widely applied to the field of building materials, and a novel way is provided for reasonable utilization and recycling of titanium gypsum waste residues.

The invention provides an LED box assembly, comprising a frame, wherein a connecting hole is arranged on the frame, and a first magnetic attractor is arranged at a first end of the connecting hole; the LED module provided with a second magnetic attractor, and the second magnetic attractor is inserted into the connection hole from the second end of the connection hole; an anti-detachment member fordefining the second magnetic attraction member within the connection hole. The invention eliminates the problem that the LED module may fall off due to the small magnetic force in front of the LED module, the safety property of the LED box assembly is ensured, and even when the magnetism of the first magnetic attracting member and the second magnetic attracting member is invalidated, the moving space of the LED module is very small, and the problems of falling off, dislocation or deformation are not easy to occur, which not only ensures the safety, but also ensures the display effect of the LED large screen.

The invention discloses a method for manufacturing a CMOS image sensor. The method includes following steps: depositing an oxide layer and a nitride layer over the substrate after forming a pad over a substrate; exposing and cleaning the pad by etching the oxide layer and the nitride layer; depositing a pad protection layer; performing a hydrogen anneal process; performing a micro-lens process, a planarization process, and a color filter array process; and removing the pad protection layer over a pad area. Thereby a shedding phenomenon and a circular fault of the nitride layer are prevented.

The invention provides a titanium based cathode material with a uniform and dense TiB2 layer and a preparation method of titanium based cathode material, and belongs to the technical field of cathodematerial preparation. The preparation method comprises the following steps that (1) a titanium substrate with the surface being completely treated is subjected to boronizing treatment, a boronizing agent is prepared from anhydrous borax, anhydrous potassium carbonate and B4C, a graphite crucible serves as an anode, a metal titanium plate serves as a cathode, and thus a TiB2-TiB/Ti gradient composite material is obtained; (2) the surface of the TiB2-TiB/Ti gradient composite material is completely cleaned; and (3) the completely treated composite material is subjected to TiB2 molten salt electrode position, and the TiB2-TiB/Ti gradient composite material with the surface electrodeposited with a TiB2 cladding material is obtained. According to the preparation method, the cathode TiB2-TiB/Tigradient composite material for aluminum electrolysis with the uniform and dense TiB2 outermost layer can be obtained, the TiB2 layer is thickened at the same time, and the service life of the cathodematerial is prolonged.

The invention provides an antibacterial type conduit sheath for interventional therapy, which comprises an antibacterial conduit sheath pipe, a conduit sheath seat and a three-way valve, which are sequentially connected and communicated with each other. The production method the antibacterial conduit sheath comprises the following steps of: mixing antibacterial medicine, metal tungsten powder-prepared antibacterial powder with plastic master grains according to a certain proportion, refining in a mixing way, extruding and shaping, wherein the weight of the antibacterial powder is 1-50% of the gross weight of the antibacterial conduit sheath pipe. The antibacterial type conduit sheath has the advantages of safety, reliability, high antibacterial performance, simple production technology and low cost.

The invention relates to an electrician instrument, in particular to safe calipers for hooking ground wires. The calipers comprise two opposite caliper heads (1). The inner sides of the two caliper heads (1) are each provided with an arc-shaped caliper opening (2). The calipers are characterized in that a caliper base (3) used for installing the caliper heads (1) is arranged on the safe calipers for hooking the ground wires (17); a screw hole (4) is formed in the caliper base (3); a threaded rod (5) is installed in the screw hole (4); one end of the threaded rod (5) is opposite to the caliper heads (1), and a rotating handle (6) is installed at the other end of the threaded rod (5). The safe calipers for hooking the ground wires have the beneficial effects that the opening and the closing angles of the caliper opening as well as the clamping force to the ground wires can be adjusted by rotating the threaded rod, and potential safety hazards of virtual connection, twisting, disengaging, wire damage and the like are eliminated; in addition, the structure is simple, the cost is low, and the calipers are expected to become a necessary tool in the industry.