Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

138 results about "Net shape" patented technology

Complex metal thin-wall component and additive and equal-material collaborative manufacturing method thereof

The invention provides a complex metal thin-wall component and an additive and equal-material collaborative manufacturing method thereof. The method comprises the steps that firstly, according to the service performance requirement of the component, performance requirements of different areas are analyzed, filling analysis is conducted, and a near-net-shape prefabricated blank model is designed; then, a prefabricated blank is constructed in a metal additive manufacturing mode, and regional regulation and control of a microstructure are achieved by regulating and controlling technological parameters; after heat treatment, the preformed blank is loaded into a finish forging die, integral forging forming is completed under the high-temperature and high-pressure condition, and defect closing and structure homogenization are achieved; and finally, the forge piece is subjected to finishing and secondary heat treatment, and the mechanical property and the service reliability are optimized. The method has the advantages of design flexibility and forging densification of additive construction, has the characteristics of high blank making efficiency, high material utilization rate, controllable structure property, wide applicable material and process range and the like, and is particularly suitable for rapid and high-quality manufacturing of complex-configuration metal components with staggered ribs, uneven wall thickness and the like.
Owner:SHANGHAI JIAOTONG UNIV

Composite powder metallurgy net near forming process device

The composite powder metallurgy net near forming process device comprises a base, the upper end of the base is fixedly connected with a machine body, the upper end of the machine body is fixedly connected with a material tank, the inner bottom of the machine body is fixedly connected with a mold main body, and the upper end of the mold main body is provided with a mold groove; a transverse plate is jointly and fixedly connected between the side wall of the mold body and the inner wall of the machine body, and the transverse plate and the upper end of the mold body are horizontal. The device is reasonable in structure, the electric push rod drives the discharging cover to slide along the transverse plate, powder diffusion is limited in cooperation with the baffles on the two sides, uniform-speed and uniform spreading of powder in a die cavity is achieved, local accumulation is avoided, the consistency of the density of workpieces is ensured, in the material pushing process, impact blocks make repeated contact with protruding blocks of the side baffles, periodic lateral impact is generated under the action of springs, and the powder is evenly sprayed out. And in cooperation with mold cavity constraint of the mold groove, the binding force between powder particles is improved, gaps between materials are reduced, and workpiece defects are reduced.
Owner:XIAN XIANDU INTELLIGENT MANUFACTURING TECHNOLOGY CO LTD

Imaging device comprising net shape wiring

A solid-state imaging device with high productivity and improved dynamic range is provided. In the imaging device including a photoelectric conversion element having an i-type semiconductor layer, functional elements, and a wiring, an area where the functional elements and the wiring overlap with the i-type semiconductor in a plane view is preferably less than or equal to 35%, further preferably less than or equal to 15%, and still further preferably less than or equal to 10% of the area of the i-type semiconductor in a plane view. Plural photoelectric conversion elements are provided in the same semiconductor layer, whereby a process for separating the respective photoelectric conversion elements can be reduced. The respective i-type semiconductor layers in the plural photoelectric conversion elements are separated by a p-type semiconductor layer or an n-type semiconductor layer.
Owner:SEMICON ENERGY LAB CO LTD

A manufacturing method of a copper alloy crystallized wheel near-net shape

ActiveCN116037881BMetallic materialsNet shape
The present application belongs to the field of copper alloy crystallization wheel preparation, and provides a kind of copper alloy crystallization wheel near net shape manufacturing method, comprising: copper alloy crystallization wheel selects chromium zirconium copper material, each metal material of batching is melted, vacuum centrifugal casting is carried out, and the annular casting blank of crystallization wheel is obtained;The first mechanical processing is carried out to the annular casting blank of crystallization wheel, and the shrinkage and riser of inner ring surface are removed;The annular casting blank of crystallization wheel after mechanical processing is sequentially subjected to hot ring rolling, solid solution heat treatment, cold ring rolling, aging heat treatment, secondary machining, and the present application has the advantages of high material yield, high production efficiency, low production cost, good internal and external performance consistency and high product performance.
Owner:YANTAI WANLONG VACUUM METALLURGY

Net-shape undercut finocyl grain casting mandrel and a method thereof

PCT designated stageWO2026146520A1RocketCounterbore
A mandrel assembly (100) for net-shape casting of an undercut finocyl grain (133) with aft-end counterbore (140) in a solid propellant rocket case (101) comprising a core (105) capable of forming central cylindrical cavities in the grain and a plurality of fins (106) capable of forming a plurality of forward-swept longitudinal cavities circular patterned around the core. The method of assembling and disassembling the mandrel (100) comprises the acts of hanging the plurality of fins (106) from the core (105) using a fin hanger (107) with a plurality of long and flexible fin cables (108), hoisting the mandrel assembly (100) over the case aft-end aperture (104), bundling the fins (106) and lowering the mandrel assembly (100) inside the case (101), fastening of all the fins (106) to the core (105) and the core (105) to the case (101), inverting the total assembly, casting propellant slurry through case fore-end aperture (103), curing the propellant, inverting the total assembly back, removing core (105) first, assembling fin decoring tool (134) and removing fins (106) one by one, to obtain net-shape cast undercut finocyl grain (133) with aft-end counterbore (140) without employing squeeze casting or propellant machining.
Owner:DIRECTOR GENERAL DEFENCE RES & DEV ORG

Ceramic part manufacturing method

The invention relates to the technical field of ceramic material processing, and particularly discloses a ceramic part manufacturing method, which mainly utilizes double-path coupling of an ultrasonic and warm-pressing formed ceramic sheet and an electric shock impregnation woven base material: firstly, multi-stage pressurization and co-vibration ultrasonic preparation of a thin layer are carried out, then 10-50kV corona coarsening fiber and capillary slurry dipping are carried out, and then drying is carried out; the method comprises the following steps: alternately bonding a plurality of layers of sheets and an impregnated base material, sintering at 1500-2000 DEG C for the first time, immediately performing low-temperature hot pressing to repair defects, and finally performing ultrasonic-assisted drilling and cutting to obtain a finished product, thereby realizing the manufacturing of thin-wall, high-toughness and near-net-shape ceramic parts.
Owner:JIUYI PRECISION CERAMICS (HAINING) CO LTD

Biodegradable Zn alloy and preparation method thereof

PendingCN120719177AProsthesisBiodegradable implantsNet shape
The invention relates to a biodegradable Zn alloy and a preparation method thereof. The preparation method comprises the following steps that (1) a Zn-Cu-Sr ternary alloy melt is prepared, the mass ratio of Cu ranges from 0.5 wt% to 2.5 wt%, and the mass ratio of Sr is smaller than or equal to 0.5 wt%; and 2) pouring the ternary alloy melt at the set temperature in the step 1) onto a base plate, and feeding the base plate into a casting and rolling machine for casting and rolling to obtain the target biodegradable Zn alloy. The biomedical degradable Zn-Cu-Sr ternary alloy is prepared by adopting a liquid casting and rolling technology, alpha-Zn and a second phase CuZn4 and SrZn13 can be remarkably refined by adopting the liquid casting and rolling technology, meanwhile, the mechanical property is remarkably improved, and the mechanical property requirement of a degradable implant can be met through one-time forming. Compared with a traditional method that rolling or extruding is conducted after casting, the technology is simple, the advantages of the casting technology and the rolling technology are integrated, the beneficial effects of being comprehensive, efficient, energy-saving, short in process, low in production cost and capable of achieving near-net-shape forming are achieved, and later-period tedious technologies are reduced.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Multiplex PCR (Polymerase Chain Reaction) detection kit

The utility model relates to a multiplex PCR (Polymerase Chain Reaction) detection kit, which comprises a kit, a reagent groove arranged on the inner side of the kit and a kit cover hinged on the outer side of the kit, a connecting part is arranged on the inner side of the kit cover, a rubber layer is fixed on the outer side of the connecting part in a buckling way, a limiting part is fixedly connected on the outer side of the rubber layer, and the limiting part is arranged in a net shape. According to the kit, the elastic layer is matched with the linear grooves and the expansion grooves, so that when the kit cover is closed to seal the kit, the elastic layer is split into a plurality of small blocks which are arranged in a rectangular shape under the opening of the linear grooves and the expansion grooves to wrap reagents placed in the kit, the limiting and reinforcing effects are achieved, and the reagents are effectively prevented from shaking in the kit; and the stability of the kit for storing and placing the reagents is improved.
Owner:WUHAN HAIXI BIOTECHNOLOGY CO LTD

Batch cleaning device for clamp sticking substances

The utility model discloses a batch cleaning device for clamp sticking substances, which comprises an upper clamp, an assembly plate and a chip settling bin, the assembly plate is a group of cross beams and longitudinal beams which are arranged in a net shape, so that the weight is reduced, and the cross beams and the longitudinal beams are movably connected with each other by taking assembly columns as vertical shafts through through holes at intersections, so that the assembly plate is in a rectangular shape in an unfolded state; shaping clamping strips are arranged at the bottoms of the longitudinal beams on the two sides of the assembly plate, the tops of the upper clamps are rectangular, and when the assembly plate is rhombic, the upper clamps are distributed in a rhombic staggered and attached mode along with the assembly plate, so that sticking substances can be eradicated in batches, and the efficiency is improved; an opening in the top of the chip settling bin is matched with a rectangular assembly plate, positioning clamping strips matched with the shaping clamping strips are arranged on the two sides of the opening, so that the assembly plate is fixed to the opening in a rectangular shape, the upper clamps are arranged at intervals in a rectangular array, the sticking substances are further cleaned, and the chip settling bin can collect chips of the sticking substances and can also play a role in heat preservation.
Owner:CHINA BUILDING MATERIAL CERTIFICATION & INSPECTION GRP ZHEJIANG CO LTD

Road surface molding auxiliary member, and road surface molding method

To provide a road surface molding auxiliary member capable of molding a road surface in which a drainage channel is formed and cracking is suppressed.SOLUTION: A road surface molding auxiliary member 1 includes a body part 2 in which a plurality of water storage members 22, each having a pair of wall parts 21 facing each other, extend in a net shape and which is placed on a placement surface, and a lid part 3 arranged on an upper side of the pair of wall parts 21 to at least partially close an upper side of a water storage space B formed between the pair of wall parts 21. When a road surface molding material driven into a unit space A surrounded by the plurality of water storage members 22 is hardened and the lid part 3 is opened, a road surface in which a drainage channel to the placement surface is formed by the plurality of water storage spaces B communicating with each other is molded.SELECTED DRAWING: Figure 2
Owner:PUMP MAN CO LTD

Moisture-proof partition structure in wood door filling layer

The utility model relates to wood door moistureproof technical field especially wood door filling layer inner moistureproof partition structure, including wood door main part, veneer and handle, the veneer fixed connection is in the outer wall front end of wood door main part, the inside of wood door main part is equipped with diamond net shape filling structure, the inside of wood door main part sets up corner reinforcing structure. This wood door filling layer inner moistureproof partition structure, diamond frame adopts aluminium alloy sheet to form by stamping, drawing, bonding, because diamond frame can directly by rectangular frame extrusion deformation obtains, so production and manufacture and subsequent paste will be more simple than honeycomb structure technology, vertical compression strip and diamond frame are alternately arranged, and the protruding of compression strip side wall is used to balance the force improvement compression resistance of protruding strip at the position of diamond frame both ends narrow, such that the structure that diamond frame, compression strip and protruding strip constitute can realize simple technology also let the compression resistance of hollow place in the middle be improved.
Owner:HUBEI JIULIAN DOOR & WINDOW TECH CO LTD

A release film for a polarizing plate

The utility model discloses a kind of release film for polarizing sheet, comprising: substrate layer, its one surface is provided with release layer;Release layer and substrate layer between are provided with repair layer, repair layer and release layer concave-convex cooperation, the other surface of substrate layer is provided with tear-aiding layer, tear-aiding layer is connected with substrate layer by first adhesive layer of point or net shape.The above-mentioned release film structure for polarizing sheet is reasonable, through the repair layer of concave-convex cooperation with release layer, deep or shallow scratch can be repaired in place;Through the tear-aiding layer of first adhesive layer of point or net shape and substrate layer connection, release film is adhered after cutting with product, there is no bonding between tear-aiding layer and substrate layer at cutting edge, and then tear-aiding layer is torn up by pushing, which helps to peel off release film adhered after product.
Owner:JIANGYIN TONGLI OPTOELECTRONICS TECH

Manipulator protection surrounding net

The utility model belongs to the technical field of protective surrounding nets, and particularly relates to a mechanical arm protective surrounding net which comprises a mounting frame, the mounting frame is a rectangular frame body, and a net-shaped protective net is fixedly arranged on the inner side of the mounting frame. Connecting blocks are arranged on the right side of the mounting frame from top to bottom at equal intervals, and vertical spline grooves are formed in the centers of the upper wall and the lower wall of each connecting block; assembling blocks are arranged on the left side wall of the mounting frame at equal intervals from top to bottom, the assembling blocks and the connecting blocks are the same in number and are arranged in a staggered and stacked mode, a round rod is arranged in an inner cavity of each assembling block in a lifting mode, a spline rod is arranged at the bottom end of each round rod, and the spline rods are used for being perpendicularly inserted into spline grooves in the right side of the other mounting frame in an attached mode after descending. A plurality of protective nets can be quickly assembled and can be conveniently disassembled in the later period, two adjacent protective nets can be assembled at multiple angles, and due to the fact that the spline rods cannot rotate in the spline grooves, the assembled protective nets are more stable.
Owner:SUZHOU YUANEN PRECISION MASCH EQUIP CO LTD

Composite preparation process of high-strength aluminum alloy special-shaped ring forge piece

The invention discloses a composite preparation process of a high-strength aluminum alloy special-shaped ring forge piece, and belongs to the technical field of metal plastic processing and heat treatment. The technology sequentially comprises the steps of multidirectional isothermal forging cogging, intermediate solution treatment, special-shaped preformed blank near-net forming, pulse current auxiliary special-shaped ring rolling and deformation heat treatment. Intermediate solution treatment is introduced to interrupt tissue inheritance, and a uniform fine-grain matrix is obtained; by means of the electroplastic effect of pulse current, efficient near-net forming of the special-shaped section is achieved at the low temperature, and grains are further refined; and finally, through combination of pre-cooling deformation and aging deformation heat treatment, synergistic improvement of strength and toughness is achieved. According to the method, the technical problems that in the preparation process of the high-strength aluminum alloy special-shaped ring forge piece, the structure is uneven, the performance anisotropy is high, special-shaped forming is difficult, and the material utilization rate is low are effectively solved, and a near-net-shape product with excellent comprehensive performance and high size precision can be stably obtained.
Owner:JIANGSU ZHUHONG HEAVY IND CO LTD

Offshore photovoltaic bolt-sphere net rack diagonal bracing structure

The utility model discloses an inclined strut structure of an offshore photovoltaic bolt-sphere net rack. The inclined strut structure comprises the bolt-sphere net rack, four steel pipe piles and four groups of pile top connecting assemblies, the upper ends of the four steel pipe piles are each connected with one pile top connecting assembly, and the upper ends of the four pile top connecting assemblies are connected with the bolt-sphere net rack. The bolt-sphere net rack comprises a plurality of upper chords, a plurality of lower chords, a plurality of web members, a plurality of upper bolt spheres and a plurality of lower bolt spheres; the plurality of upper chords are connected into a square net shape through the plurality of upper bolt balls, the plurality of lower chords are connected into a square net shape through the plurality of lower bolt balls, the plurality of web members are obliquely arranged between two square nets, and two ends of each web member are respectively connected with the upper bolt balls and the lower bolt balls. The utility model aims to overcome the defects in the prior art and provides the inclined strut structure of the offshore photovoltaic bolt-sphere net rack, and the inclined strut structure has the advantages of high assembly efficiency and convenience in construction.
Owner:中交海峰风电发展股份有限公司

Rigid frame protection structure for crossing existing underground building

The utility model provides a rigid frame protection structure for crossing an existing underground building, and relates to the technical field of rigid frame protection. The structure is characterized in that a rigid frame is arranged at the top end of a bearing platform structure; each sleeve structure is arranged in the top of the bearing platform structure, each sleeve structure is vertically arranged in the height direction of the rigid frame, a plurality of connecting steel bars are arranged in each sleeve structure, one end of each connecting steel bar is connected with the interior of one sleeve structure, and the other end of each connecting steel bar is connected with the interior of the other sleeve structure. The other ends of the connecting steel bars extend to the bottom of the rigid frame and the bottom of the bearing platform structure correspondingly, every two adjacent sleeve structures are connected through the positioning steel bars, the multiple sleeve structures and the positioning steel bars form a net shape, the top of each sleeve structure is provided with a grouting pipe, and the grouting pipes are used for filling the sleeve structures with grouting materials. The structure solves the problem that under the condition of crossing a complex underground building, the bearing capacity of a culvert in the prior art is low, and consequently the pipeline migration and modification condition cannot be met.
Owner:CHINA RAILWAY ENG CONSULTING GRP CO LTD

Cross-scale near-net shape manufacturing method for core component of conductor equipment

The invention discloses a conductor equipment core component cross-scale near-net shape manufacturing method, and relates to the technical field of additive manufacturing, and the conductor equipment core component cross-scale near-net shape manufacturing method comprises the following steps: S1, in a forming process, synchronously executing macro-scale and micro-scale monitoring, and associating two types of data through coordinate calibration to obtain cross-scale associated data; and S2, based on the cross-scale associated data, performing fusion analysis with real-time process and environmental parameters, and outputting a process parameter adjustment direction according to conductor exclusive analysis logic. According to the cross-scale near-net-shape manufacturing method for the core component of the conductor equipment, the overall manufacturing quality and production efficiency of the core component of the conductor equipment can be remarkably improved, the deviation of the size and the organization structure is recognized in real time in the forming process through synchronous monitoring and data fusion of the macroscale and the microscale, and the manufacturing quality of the core component of the conductor equipment is improved. And intelligent analysis is carried out based on the characteristics of the conductor material, and dynamic optimization and closed-loop regulation and control of process parameters are realized.
Owner:NANTONG JIASHENG PRECISION MANUFACTURING CO LTD

A spatial layout method of regional CORS reference stations

ActiveCN115728802BExcellent mesh coefficientScientific and reasonable layoutHigh availabilityHydrology
The present application relates to a kind of regional CORS reference station space layout method, comprising the following steps: (1) reference station overall scale measurement;(2) core station and ordinary station scale measurement;(3) user group activity analysis;(4) based on latitude and longitude grid uniform layout;(5) according to existing CORS site distribution adjustment;(6) regional topography and land class distribution condition analysis, reference station layout adjustment is carried out;(7) infrastructure and key application layout analysis, reference station layout adjustment is carried out;(8) average station spacing statistics and reference station net shape coefficient calculation;(9) whether reference station net shape coefficient meets the predetermined index requirement, yes, then complete layout;No, then return to step (6), repeat step (6) to (8).The site layout of the present application is more scientific and reasonable, can realize the efficient intensive use of CORS reference station resources, meet the high availability, high stability requirement of whole regional space service.
Owner:HUNAN INST OF SURVEYING & MAPPING TECH

Buckle type steel-plastic grating hydraulic press-fitting equipment and press-fitting process

The invention provides buckle type steel-plastic grille hydraulic press-fitting equipment and a press-fitting process, and relates to the technical field of steel-plastic grils.The buckle type steel-plastic grille hydraulic press-fitting equipment comprises a bottom plate, a conveying piece is arranged on the bottom plate, grid strips arranged in a net shape are arranged on the conveying piece, and a plurality of lower buckle pieces are further installed on the conveying piece; the cross positions of the grid strips arranged in a net shape are arranged on the lower buckling pieces, the cross positions of the grid strips are further provided with upper buckling pieces, the bottom plate is provided with a constant hydraulic assembly, the constant hydraulic assembly comprises a lower pressing plate, the lower pressing plate is provided with a plurality of pressing assemblies, and each pressing assembly comprises a pressing block. The pressing block is used for pressing the upper buckle piece and the lower buckle piece. By arranging the constant hydraulic assembly, stable and accurately-controlled pressure can be provided, the pressing block is driven to apply uniform and constant pressing force to the upper buckling piece and the lower buckling piece, the problems of insufficient buckling and stress deviation caused by uneven manual force application are effectively solved, and the connection strength of all nodes is kept uniform.
Owner:RUIHUI NEW MATERIALS (JIANGSU) CO LTD

High-temperature glass cloth adhesive tape

The utility model provides a high-temperature glass cloth adhesive tape, which belongs to the field of environment detection, and comprises a winding paper tube, glass cloth adhesive tape; the glass cloth adhesive tape is wound on the winding paper tube, the glass cloth adhesive tape comprises a non-stick layer, glass cloth, a reinforcing layer and an adhesive layer, the non-stick layer is arranged on the glass cloth, the glass cloth and the reinforcing layer are woven together in a staggered manner, the adhesive layer is arranged on the glass cloth and the reinforcing layer, the nano anti-sticking coating is sprayed on the glass cloth, and the nano anti-sticking coating is coated on the glass cloth. The glass cloth and the reinforcing layer are woven together, the reinforcing layer is made of basalt fibers, the basalt fibers are arranged in a net shape, and the adhesive layer is sprayed or coated on the glass cloth and the reinforcing layer which are woven together. According to the glass cloth adhesive tape, the reinforcing layer is in the net shape and provided with the notches, when the glass cloth adhesive tape is cut off or manually torn off, the notches serve as breakthrough openings so that the glass cloth adhesive tape can be torn off conveniently, and due to the arrangement of the reinforcing layer, the glass cloth adhesive tape is not prone to deformation and damage in the length direction.
Owner:YIXIN ADHESIVE TAPE (SHANGHAI) CO LTD

Metal net stretching forming machine

The utility model relates to the technical field of metal net processing, and provides a metal net stretching forming machine which comprises a base, an inverted-U-shaped frame is fixedly installed on the top of the base, a forming lower die is fixedly installed on the top of the base, and an adjusting assembly is arranged on the inverted-U-shaped frame. A hydraulic cylinder is started to drive a connecting cross rod to move up and down so as to punch a metal plate, meanwhile, a driving motor is started to drive a transmission rod to rotate, the transmission rod drives an inserting rod to rotate circumferentially, and the inserting rod pushes the connecting cross rod on one side of a connecting vertical rod to reciprocate through cooperation of a penetrating groove while rotating circumferentially. When the size of the net shape needs to be changed, an electric push rod is started to drive an L-shaped supporting vertical plate to move to the needed position and then stop, at the moment, the reciprocating movement distance of a connecting transverse rod is changed, the specification of the formed net shape of the metal plate is changed, and the applicability is high.
Owner:HEBEI ZHUOFENG ARCHITECTURAL DESIGN CO LTD

Suction type bolt-sphere grid structure

The utility model discloses a suction type bolt-sphere net rack structure which comprises a bolt-sphere net rack, a suction assembly and a connecting frame assembly. The lower end of the connecting frame assembly is connected with the suction assembly, and the upper end of the connecting frame assembly is connected with the bolt-sphere net rack; the bolt-sphere net rack comprises a plurality of upper chords, a plurality of lower chords, a plurality of web members and a plurality of bolt spheres, the plurality of upper chords are connected into a square net shape through the plurality of bolt spheres, the plurality of lower chords are connected into a square net shape through the plurality of bolt spheres, the plurality of web members are located between the two square nets, and the two ends of each web member are connected with the bolt spheres. The suction assembly comprises four suction piles, and the four suction piles are all connected to the lower end of the connecting frame assembly. The utility model aims to provide the suction type bolt-sphere grid structure for overcoming the existing defects, all the components are manufactured in a factory, the processing and assembling speed is high, and the construction period is shortened.
Owner:中交海峰风电发展股份有限公司

Cool moisture-conducting nylon fabric

The utility model discloses a cool moisture-conducting nylon fabric which comprises a dehumidification breathable layer used for supporting, a tough layer and a cool breathable layer are fixedly arranged on the upper end face of the dehumidification breathable layer, the cool breathable layer is fixedly arranged on the upper end face of the tough layer, and tensile fibers are arranged on the inner end face of the cool breathable layer. The nylon supporting layer is fixedly arranged on the lower end face of the dehumidification breathable layer. The cool breathable layer arranged in the net shape can effectively improve breathability and cool feeling outside the fabric, meanwhile, the cool breathable layer and the tensile fibers are hollow, the comfort of the fabric in subsequent use can be effectively improved, the toughness layer and the tensile core layer are both made of tensile materials, the tensile performance inside the fabric can be effectively improved, and the fabric is comfortable to wear. Therefore, the overall toughness of the fabric is improved, the fabric has good breathability, cool feeling and comfort, meanwhile, the fabric has good toughness, the subsequent service life of the fabric is prolonged, and the practicability of the fabric is improved.
Owner:吴江市双盈化纺实业有限公司

Anti-falling device for sintered bricks

The utility model relates to the technical field of sintered brick stacking, and discloses a sintered brick falling prevention device which comprises a bottom plate and four vertical rods, inserting rods are arranged at the bottoms of the vertical rods, inserting grooves matched with the inserting rods are formed in the four corners of the surface of the bottom plate, and the inserting rods are inserted into the inserting grooves so that the vertical rods can be vertically arranged at the four corners of the surface of the bottom plate. Locking bolts are further arranged, penetrate into the inserting grooves and are screwed into screw holes formed in the side edges of the inserting rods so as to lock the vertical rods, transverse rods are transversely fixed to the two outer side faces of each vertical rod, and a plurality of transverse rods are evenly arranged. According to the technical scheme, the vertical rods are detachably and vertically installed at the four corners of the bottom plate, when the sintered bricks are loaded and unloaded, the vertical rods can be completely detached so that the sintered bricks can be conveniently loaded and unloaded, and after the sintered bricks are stacked, the vertical rods are vertically installed at the four corners of the surface of the bottom plate so that the sintered bricks can be conveniently loaded and unloaded. And then the rope can be woven into a net shape through the transverse rods on the outer surfaces of the vertical rods and is arranged on the periphery of the sintered bricks, and the formed gaps are smaller, so that the bricks are prevented from leaking out of the gaps.
Owner:SHANDONG JINGMEI BUILDING MATERIALS CO LTD

Near-net shape short fiber reinforcement preforms and composites

Example approaches are disclosed for manufacturing composite or fiber reinforcement preforms. Liquid, fibrous, binding and potentially other materials are mixed into a composite mixture slurry in a slurry container. A porous tool having a specific porous outer surface portion approximating a specific exterior surface portion of a spatial shape of a final product is immersed in the slurry container. A suction pressure is applied to draw a portion of the fibrous material intermixed with a corresponding portion of the binding material in the slurry onto the specific outer surface portion. The porous tool attached with the wet preform is removed from the slurry container. The wet preform is partially dried into a partially dried preform attached to the porous tool. The partially dried preform is dried, solidified and / or consolidated and / or injected with a resin and cured into a solid composite preform of the spatial shape of the final product.
Owner:UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION +1

Slope reinforcing structure for sand shale geology

The utility model relates to the technical field of slope reinforcement, in particular to a sand shale geology slope reinforcement structure which comprises a first reinforcement part and a second reinforcement part, the first reinforcement part is arranged at the bottom of a slope and is perpendicular to the ground, one end of the first reinforcement part is bent towards the outer side of the slope, and the other end of the first reinforcement part is bent towards the outer side of the slope. The first reinforcing parts and the side slope are arranged at intervals, the second reinforcing parts are arranged on the side slope, each second reinforcing part comprises a plurality of supporting plate parts, and net-shaped connecting parts are detachably arranged between the adjacent supporting plate parts. According to the utility model, a large number of stones fall into the position of the baffle plate along the surface of the side slope, and a gap is arranged between the baffle plate and the side slope, so that the size of the block is increased, the inspection frequency of workers is reduced, and when a large number of stones are accumulated on the supporting plate II, redundant stones fall from the top of the supporting plate II; the connecting piece is arranged between the supporting plate I and the supporting plate II, so that the potential energy of stones can be reduced, and the stones are prevented from damaging the structure below.
Owner:SICHUAN ROAD BRIDGE & BRIDGE ENG CO LTD

Efficient disinfection device for public places

The utility model relates to the technical field of sterilizing devices, and discloses an efficient sterilizing device for public places, which comprises a base and a main body, the main body is fixedly mounted at the top of the base, the lower part of the main body is provided with a netted air inlet grid, a dust cover is mounted at the air inlet grid of the main body, and the upper part of the main body is movably sleeved with a sleeve shell. Two upper clamping grooves are formed in each of the four edges of the bottom of the sleeve shell, two lower clamping grooves are formed in each of the edges of the four edges of the top of the base, two clamping blocks are fixedly installed on each of the top and the four edges of the top of the dust cover, and the clamping blocks at the top and the bottom of the dust cover are clamped in the corresponding upper clamping grooves and the corresponding lower clamping grooves respectively. A top cover is arranged at the top of the main body, the top cover abuts against the top of the main body and the top of the sleeve shell, and an air outlet is formed in the middle of the top of the top cover, the top cover and the dustproof cover can be directly taken down by screwing off the bolts, and therefore dust attached to the surfaces of the dustproof cover and the dustproof net can be cleaned.
Owner:SHENZHEN BAOKANG BIOTECHNOLOGY CO LTD

Net shape processing of permanent magnet by field assisted sintering

Magnets having various portions of different densities and resistivities are disclosed. In a refinement, the various portions may have the same composition but different physical structures. Unique dies may be used to during processing, such as during sintering to manufacture the magnets. The die may include conductive and non-conductive surfaces that contact the green magnetic powder mixture during sintering such that the electrical current applied to the magnetic powder mixture is managed by the conductive and non-conductive surfaces to provide unique and complex magnets. Methods of manufacturing the magnets with the dies such as field assisted sintering, i.e., spark plasma sintering, are also disclosed.
Owner:FORD GLOBAL TECH LLC

Reinforcing structure for balcony floor slab of old building

The utility model provides a reinforcing structure for an old building balcony floor slab, which comprises a building wall body, a reinforcing guardrail and a bearing part arranged in a balcony body, one side of the building wall body is fixedly connected with the balcony body, the bottom of the balcony body is fixedly connected with a bearing steel plate, and the bearing steel plate is fixedly connected with the reinforcing guardrail. And one end of the reinforcing guardrail is welded and mounted at the top of the bearing steel plate. The reinforcing guardrails are connected to the outer wall of the balcony body in a clamped mode, the multiple reinforcing guardrails are evenly distributed on the outer wall of the balcony body in a clamped mode, and then the effect of reinforcing the outer wall of the balcony body can be achieved; the length of the end, located in the balcony body, of the reinforcing guardrail is smaller than the length of the end, located outside the balcony body, of the reinforcing guardrail, the bearing net frame is provided with a space laid in the balcony body, the bearing net frame is in a net shape, then the bearing force borne by the balcony body can be distributed, and then the platform part in the balcony body can be reinforced.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD +1