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88 results about "Injected material" patented technology

Injection Molding Machine, Injection Apparatus, Clamping Apparatus, and Method of Data Processing

An injection molding machine includes an injection apparatus that injects an injection material into a mold and a clamping apparatus that clamps the mold. An injection control device that controls injection of the injection material by the injection apparatus is connected to a clamping control device to communicate data therewith, the clamping control device controlling a magnet clamp of the clamping apparatus.
Owner:THE JAPAN STEEL WORKS LTD

A method to improve the comprehensive performance of alloy materials based on the principle of "weaving injection molding"

The present invention relates to the field of metal manufacturing, and specifically to a method for improving the comprehensive performance of alloy materials based on the principle of "weaving injection molding". The method comprises the following steps: 1) determining the alloy composition for plasticization and enhancement based on the service requirements of the alloy; 2) preparing an internal "woven" structure of the alloy for enhancing plasticity and a solid frame for forming, and placing the "woven" structure for enhancing plasticity at a predetermined position in the frame; 3) injecting materials for increasing strength and wear resistance into the solid frame; 4) subjecting the filled formed frame structure to a vacuum degassing treatment and welding and sealing; 5) performing hot isostatic pressing to prepare the required alloy material. The present invention enables formed alloys or components to have the characteristics of high strength, high plasticity, high wear resistance and low weight, breaking through the current technical bottleneck of improving the comprehensive performance of materials in the aerospace field, and promoting the further application of metal materials in the aerospace field.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

High-efficiency polymerization reaction kettle for producing polycarboxylic acid water reducing agent

The invention belongs to the technical field of reaction kettles, and discloses a high-efficiency polymerization reaction kettle for producing a polycarboxylic acid water reducer, the high-efficiency polymerization reaction kettle comprises a reaction kettle body, a stirring plate I and a stirring plate II, a composite rotating part is rotatably mounted in the reaction kettle body, the stirring plate I and the stirring plate II are fixedly connected to the outer surface of the composite rotating part, and the stirring plate I and the stirring plate II are fixedly connected to the outer surface of the composite rotating part. A midway injection mechanism is arranged in the composite rotating part, the composite rotating part rotates around the midway injection mechanism in the composite rotating part, and the midway injection mechanism is used for injecting the material liquid into the mixed liquid in the stirring reaction period. According to the invention, the key additive is directly sprayed to the specified depth in the reaction liquid instead of being only added on the liquid surface, so that the problem of over-high local concentration is avoided, the material can be instantly and uniformly dispersed in the reaction system, the stability and controllability of the reaction are greatly improved, the high consistency of the product performance is ensured, and the product quality is improved. Accurate, multi-point and deep injection of materials in the reaction process is achieved.
Owner:HUBEI XINCHENG PURUI CHEM TECH CO LTD

Multicolor injection mold

The utility model relates to the technical field of injection molds, in particular to a multicolor injection mold, which is provided with a rear mold assembly, a first seat stand and a second seat stand, the first seat stand and the second seat stand can respectively inject materials with different colors to the rear mold assembly, and the rear mold assembly is provided with a sliding mechanism and a rotating mechanism. The rear mold assembly can automatically switch working positions in different injection molding stages, the rear mold assembly can be close to the first seat stand or the second seat stand according to injection molding requirements, human intervention and semi-finished product transfer time can be shortened, and the problem that the same product can be subjected to injection molding through materials of multiple colors is effectively solved; and a semi-finished product needs to be transferred from one injection mold to another injection mold for continuous processing, so that the production cost is increased, and the production efficiency is reduced.
Owner:ZHONGSHAN PACIFIC MASTER PRECISION INJECTION LTD

An injectable polyurethane material, a method for preparing the same and use thereof

This invention provides an injectable polyurethane material, its preparation method, and its applications, belonging to the field of injectable materials. The injectable polyurethane material has a cross-linked polyurethane structure and hydrophilicity. It is formed by polymerizing a polyethylene glycol-diisocyanate prepolymer, a cross-linking agent, and a chain extender. The cross-linking agent has a structure of Formula 1, and the chain extender has a structure of Formula 2. Specifically, this invention can employ a cross-linking agent containing a Schiff base and a chain extender with catechol as a side group, introducing both into a polyurethane network to form the injectable polyurethane material. In this invention, this cross-linked hydrophilic polyurethane can utilize the pH-responsiveness of the Schiff base to achieve controlled injection through secondary processing; moreover, it has good mechanical properties, facilitating its application.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

Injection molding device

An injection molding device that performs injection molding of a molded article using a molding die is provided. The injection molding device includes an injection unit that injects material into the molding die and a molding die opening and closing unit to which the molding die is attached and that opens and closes the molding die. The injection unit includes an injection section including an injection control section that controls injection of the material and a nozzle section that injects the material, a movement section that moves the injection unit with respect to the molding die opening and closing unit, and a holding plate that is connected to the injection section and that holds the injection section. The movement section includes a support section that supports the holding plate, and the holding plate is configured to slide with respect to the support section.
Owner:SEIKO EPSON CORP

A multi-gating injection mechanism capable of precisely controlling the material quantity in the same mold cavity

The application belongs to the technical field of injection molding machines, and particularly relates to a multi-gating injection mechanism capable of accurately controlling the material quantity of the same mold cavity, which comprises an injection seat, a material injection cavity provided in the injection seat for liquid material to enter, a plurality of material distribution cavities provided in the injection seat and respectively communicated with the material injection cavity, a plurality of injection guns provided on the injection seat and respectively connected with the plurality of material distribution cavities, and an injection assembly communicated with the material injection cavity and used for supplying material to the material injection cavity. By limiting the structure of the injection mechanism, the liquid material entering the material injection cavity is distributed through the cooperation of the plurality of material distribution cavities and the plurality of injection guns, and is respectively injected into the relative positions in the mold cavity through the plurality of injection guns, so that the injection speed of the liquid material in the mold can be effectively improved, and the plurality of injection guns simultaneously inject material into the plurality of positions of the mold cavity, thereby effectively reducing the time of diffusion and flow of the liquid material and improving the production efficiency.
Owner:JINJIANG KAIJIA MASCH MFG CO LTD

Die for front decorating part of oil tank

The invention relates to the technical field of molds, in particular to an oil tank front decorating part mold which comprises an upper mold body and a lower mold body, mold cavities are formed in the upper mold body and the lower mold body, the mold cavities in the upper mold body and the lower mold body are correspondingly arranged and communicate with each other, an excess material cavity is formed in the middle of each mold cavity, and the excess material cavity is formed between the two mold cavities. The excess material cavity is communicated with the mold cavities on the two sides, the upper mold is provided with an injection molding pipe corresponding to the excess material cavity, the bottom of the injection molding pipe is fixedly provided with a cutting plate, the cutting plate is arranged corresponding to the position and shape of the excess material cavity, the injection molding pipe is slidably connected with the upper mold, and the injection molding pipe can drive the cutting plate to move towards the excess material cavity. And a cutting blade is arranged at the edge of the cutting plate. The die cavities of the upper die and the lower die are correspondingly communicated and can be used for forming the oil tank front decorating part, and the excess material cavity is formed between the two die cavities and communicated with the die cavities so that excess materials can be conveniently collected. The injection molding pipe is used for injecting materials and can drive the cutting plate to move towards the excess material cavity, the cutting blade on the edge of the cutting plate can cut the materials between the excess material cavity and the mold cavity at proper time, the excess materials in the excess material cavity can be cut after injection molding is completed and waiting for forming, and secondary cutting does not need to be carried out after the excess materials are taken out. And the machining efficiency and the overall production efficiency can be improved to a certain extent.
Owner:TAIZHOU HUANGYAN JUFENG LOCOMOTIVE

Plate spraying device for ultraviolet curing coating

The utility model relates to the technical field of plate spraying, and discloses a plate spraying device for ultraviolet curing coating, which comprises a recycling box, a bearing component is arranged at the top of the recycling box, a fixed vertical plate is arranged at the top of the bearing component, a fixed transverse plate is arranged at the top of the fixed vertical plate, and a fixed plate is arranged at the top of the fixed transverse plate. Mounting plates are arranged on the left side and the right side of the top of the bearing assembly correspondingly, and a coating box is arranged on the top of the fixed transverse plate. According to the plate spraying device for the ultraviolet curing coating, the liquid level observation assembly is arranged, when a liquid injection pipe injects materials, the liquid level rises, at the moment, a floating ball can drive a first extension rod, a second extension rod, a rectangular plate and an indicating needle plate to move upwards, and when the liquid level falls, the floating ball can drive the extending indicating needle plate to move downwards; at the moment, a worker can observe the height of the coating liquid level in the coating box in time through the scale line plate, the practicability of the device is further improved, and the worker can use the device conveniently.
Owner:JIANGSU AORUI SMART HOME CO LTD

Die casting machine nozzle (SZ-002)

1. The name of the design product: die casting machine nozzle (SZ-002). 2. The use of the design product: used for injecting material into the die cavity of the die casting machine. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.
Owner:DONGGUAN ZHONGTANG JINCHENG DIE CASTING MACHINERY FACTORY

Non-perforated artificial turf with porous backing and methods of manufacture thereof

A method for manufacturing a synthetic non-perforated drainable material is disclosed herein. Generally, the method includes injecting a coating material with air, applying the air-injected coating material to the first side of the material, and curing the air-injected material such that it adheres. Once cured, the material has a highly efficient drainage rate that remains consistent throughout the life of the material.
Owner:SPINTURF LLC

Quantitative filling device

The invention relates to the technical field of concrete pouring, in particular to a quantitative filling device which comprises a base plate, an injection mold and spring columns, the spring columns are installed at the four corners of the bottom of the injection mold and fixedly connected with the base plate, and a plurality of injection openings distributed at equal intervals are formed in one end of the injection mold; a separation linkage mechanism used for separating injected materials to quantitatively control the materials is arranged on the inner side of the injection mold and comprises a plurality of separation sliding plates distributed at equal intervals and two supporting vertical rods, the two ends of each separation sliding plate penetrate through the injection mold and are in sliding connection, and one end of each separation sliding plate is located at the bottom of the injection port. The purpose of realizing automatic control of the device while realizing quantitative material is achieved, through accurate measurement and control of the material quality, the consistent filling quantity of each time can be ensured, and the situation of non-uniform concrete filling is avoided, so that the stability of the production process and the consistency of the product quality are improved, and through automatic quantitative control, the production efficiency is improved, and the production cost is reduced. And the production efficiency can be improved.
Owner:ANHUI JUNLAN CONSTR ENG GRP CO LTD

Improved extruded polystyrene board extrusion mold

The utility model provides an improved extruded polystyrene board extrusion mold which comprises a lower mold body, and a containing cavity is formed in the lower mold body. Limiting columns are welded to the periphery of the upper end of the lower mold. An upper mold is arranged on the limiting column; penetration holes are formed in the periphery of the interior of the upper mold and connected with the limiting columns in a penetrating mode. A vibration dispersion seat structure is supported at the bottom of the lower mold; a limiting column structure is arranged on the inner side of the vibration dispersion seat structure, and the vibration dispersion seat structure is characterized by comprising a bottom plate, and side columns are welded to the periphery of the upper end of the bottom plate; the middle of the upper end of the bottom plate is in bolted connection with a rubber frame; supporting springs are welded to the upper ends of the side columns. A movable working plate structure is supported by the upper ends of the supporting springs. Through the arrangement of the vibration dispersion seat structure, when the lower die vibrates, the injected materials are dispersed, so that the situation that the working efficiency is influenced due to the fact that the concentrated materials need to be extruded and dispersed is avoided.
Owner:JUANCHENG COUNTY WENERQIN INSULATION MATERIALS CO LTD

Methods for the rehabilitation and stabilization of a track bed

The present invention relates to a method for the rehabilitation and / or stabilization of a track bed (1), wherein railway rails (3a, 3b) are attached to sleepers (2) and the sleepers (2) are arranged in or on the track bed (1) and stones, ballast (8) or the like are located in the track bed (1), wherein the rehabilitation and / or repair is carried out in the track bed (1) itself without detaching the sleepers (2), the rails (3a, 3b), and / or without removing the sleepers (2) from the track bed (1), wherein the sleepers (2) have a central section and two end sections, and the central section is located between the two end sections, wherein a continuous opening (4) is produced through the sleeper (2) in the region of the first end section and / or the second end section and / or the central section, preferably the opening (4) is produced by a bore, wherein a material, preferably an injection resin, is injected into the opening (4) or openings.which solidifies or hardens after application, wherein the injection resin, when injected through the opening (4) in the sleeper (2), enters the area below the sleeper (2) in the track bed (1) and there wets the track bed material, namely stones, ballast (8) or the like, and fills gaps and / or cavities in the track bed (1), and after the injection resin has solidified, the area of ​​the track bed (1) that is wetted by the injection material, or whose gaps and / or cavities are filled, forms a compact body (15) on which the sleeper (2) rests.
Owner:GETEK GESELLSCHAFT FÜR INNOVATIVE TECHNIK GMBH

System for producing at least one three-dimensional element on an external part element of a timepiece

A system for producing at least one three-dimensional element on a visible face of an external part element of a timepiece implementing this process, the system including a mould formed by the reversible assembly of a first part and a second part configured to receive a support plate of the external part element, the mould including at least one cavity formed by associating the first part including at least one impression with the visible face of the external part element, each cavity helping produce a blank of the three-dimensional element from an over-moulding by injecting injectable material onto the visible face, and a device for applying a coating onto the blank over-moulded on the visible face of the external part element helping finalise this blank of the three-dimensional element.
Owner:RUBATTEL & WEYERMANN

Preparation process of metal protection cleaning fluid

The invention relates to the technical field of metal cleaning fluid preparation, and discloses a metal protection cleaning fluid preparation process which comprises the following steps: S1, material selection, S2, mixing and stirring, S3, secondary feeding and S4, rear-end treatment. Through the design of the mixing device, mixed liquid is stirred and mixed in the mixing tank, and during specific mixing, materials to be mixed are injected through the hollow rod and are discharged through the first liquid discharging groove and the second liquid discharging groove respectively, so that the materials are directly dispersed and sprayed in the mixing tank, and the injected materials are more dispersed; furthermore, mixing and stirring can be rapidly carried out while the stirring blades rotate, the mixing efficiency is higher, on the basis, if the interior of the mixing tank needs to be cleaned, cleaning water can be injected through the hollow rod and directly sprayed to the inner wall of the mixing tank, and all areas in the mixing tank can be effectively covered in cooperation with lifting of the hollow rod; and the cleaning efficiency is higher, and the effect is better.
Owner:JIANGSU KEXING NEW MATERIALS CO LTD

A material tube assembly for an injection molding machine injection system

This invention discloses a material tube assembly for an injection molding machine injection system, including a locking platen, a melt cylinder, a nozzle, and a nozzle flange. The locking platen has a locking cavity, and the nozzle is fixed to the nozzle flange for injection. The front end of the melt cylinder has a flange connection portion integrally forged therewith. The outer diameter of the flange connection portion is smaller than the inner diameter of the locking cavity. The flange connection portion is connected and fastened to the nozzle flange, whose outer diameter is smaller than the inner diameter of the locking cavity, by several fasteners. The fastening force between the flange connection portion and the nozzle flange is sufficient to overcome the injection force generated when the nozzle injects material. This invention, by connecting the flange connection portion integrally formed with the melt cylinder to the nozzle flange, and ensuring that the fastening force between the flange connection portion and the nozzle flange overcomes the injection force generated when the nozzle injects material, allows the front end assembly of the melt cylinder to extend into the locking cavity without lengthening the nozzle, shortening the injection flow path and thus reducing the injection pressure loss during injection.
Owner:BORCH MACHINERY

Liquid inorganic material for crack reinforcement and preparation method therefor

l 3 Disclosed in the present invention are a liquid inorganic material for crack reinforcement and a preparation method therefor. The liquid inorganic material includes component A liquid and component B liquid, where a mass ratio of the component A liquid to the component B liquid is (2—4): 1; the component A liquid includes in parts by mass: 75—90 parts of an adhesive, 30-50 parts of diatomite, and 1-5 parts of a stabilizer, and after mixing, a pH value of the component A liquid is 7—9; and the component B liquid includes in parts by mass: 10—20 parts of waste phosphoric acid, 50-150 parts of water, and 30-100 parts of inorganic salts, and after mixing, a pH value of the component B liquid is 1—1.5. Additionally, according to the size of cracks and the total quantity of injected materials, appropriate quantities of the ultrafine steel fibers are added to improve the strength after solidification.
Owner:HUNAN UNIV OF SCI & TECH +1

Reinforced side pulling mechanism for large-size workpiece

The utility model discloses a strengthening side pulling mechanism for large-volume workpiece, including lower die block, upper die block, molded product and set up on the strengthening group of lower die block, strengthening group includes side pulling group and middle pulling group, side pulling group includes strengthening plate and side edge locating piece, strengthening plate is fixed on the outside surface of lower die block, the side edge locating piece is fixed on the side edge locating piece, the middle pulling piece is fixed on the side edge locating piece, and the middle pulling piece is fixed on the side edge locating piece. The side edge positioning block is connected with the outer side of the formed product in an inserted mode, the side edge positioning block is located on the inner side of the reinforcing plate, the reinforcing plate is used for limiting movement of the side edge positioning block, the middle push rod is installed at the lower end of the middle ejection block, and the side pulling set has the forced limiting effect. The middle pulling set has a large-angle supporting effect; according to the utility model, the reinforcing plate is fixed on the lower module, so that the reinforcing plate can be used for forcibly limiting the moving distance of the side edge positioning block, and the situation that a large amount of injected materials push the side edge positioning block to move due to a larger structure of a molded product during injection molding of the device is prevented.
Owner:QINDIAN (XIAMEN) MOLD TECHNOLOGY CO LTD

Longitudinal uniform doping ion implantation method

PendingCN121419559AIon beamElectrical polarity
The invention belongs to the technical field of semiconductor manufacturing, and discloses a longitudinal uniform doping ion implantation method, which comprises the following steps of: S1, setting the energy of an ion implanter as the maximum energy Emax corresponding to the required doping depth; s2, applying an alternating electric field between an ion outlet of the ion implanter and the material to be implanted; s3, setting an electric field direction according to the polarity of the injected ions; and S4, controlling the period ta of the alternating electric field and the residence time T of the ion beam on the surface of the to-be-injected material to meet the relation: T = k * ta, and k is an integer and is greater than or equal to 1. The alternating electric field is introduced between the ion beam and the to-be-injected material, so that the injected ions can be uniformly distributed to the target depth position from the surface of the material, the applicability is good, and the practicability is high.
Owner:CHONGQING WATTSCI ELECTRONICS TECH CO LTD +1

Metal part casting and pouring device

The invention discloses a metal part casting and pouring device, and relates to the technical field of metal part casting, the metal part casting and pouring device comprises a rack and a connecting frame fixedly mounted at the top end of the rack; the injection mechanism is used for carrying out heat preservation and material injection on a metal solution, and the panel is fixedly connected to the outer surface of the injection mechanism, by arranging the injection mechanism, heat preservation can be carried out on high-temperature liquid metal needed for metal part casting, and during metal part casting, the high-temperature liquid metal is discharged into an inner cavity of the pouring mold; therefore, the casting work of a plurality of metal parts is realized; the centrifugal mechanism is used for reducing air holes generated during pouring, and the connecting plate is fixedly connected to the outer surface of the centrifugal mechanism, by arranging the centrifugal mechanism, when metal parts are cast, rotating force can be applied to the multiple pouring molds, and then liquid metal can fully flow into inner cavities of the pouring molds; the effect of preventing air holes from being generated in the metal part is achieved.
Owner:CHONGQING JIANGDONG METAL CASTING CO LTD

Existing pipe rehabilitation method

To provide an existing pipe rehabilitation method for repairing and rehabilitating existing pipes consisting of manholes having irregular shapes such as circular and / or rectangular, horseshoe, and triangular shapes, and which is also excellent in chemical resistance and abrasion resistance. [Solution] An existing pipe rehabilitation method for repairing and rehabilitating manholes having a circular shape and / or irregular shape, the method comprising: a step of fixing a sheet-like and / or panel-like structure made of synthetic resin to the surface of the manhole with a fixing device; a step of flowing an injection material into a space formed between the reinforcement and the structure and curing and solidifying the injection material; a step of welding the synthetic resin to joints that occur in the structure after the injection material has cured and hardened; An existing pipe rehabilitation method comprising the steps of:
Owner:TRUST TECHNO CO LTD +3

Existing pipe rehabilitation method

Provided is an existing pipe rehabilitation method for partially repairing and rehabilitating an existing pipe consisting of a manhole and a sewer pipe that has a circular and / or irregular shape, and which is also excellent in chemical resistance and abrasion resistance. [Solution] This is an existing pipe rehabilitation method for repairing and rehabilitating a portion of an existing pipe consisting of a circular and / or irregularly shaped manhole and sewer pipe, characterized in that the method comprises the steps of: fixing a lattice-shaped reinforcement material made of inorganic fiber to the inner surface of the existing pipe; fixing a sheet-like and / or panel-like structure made of synthetic resin to the back of the reinforcement material with fixing devices; flowing an injection material into the space formed between the reinforcement material and the structure and curing and hardening the material; and welding the synthetic resin to the joints that appear in the structure after the injection material has cured and hardened.
Owner:TRUST TECHNO CO LTD +3

Dispensing package for liquid or semi-liquid products

A dispensing package for dispensing a liquid or a semi-liquid product, the dispensing package includes: a storage member having a cavity adapted to contain the liquid or the semi-liquid product therein; an actuating member connected with an upper open end of the storage member; an applicator head connected with a top portion of the actuating member; the applicator head includes a dispensing portion and the actuating member includes an actuating portion; the actuating member and the actuating portion are made up of two bi-injected materials; the actuating member is a longitudinal hollow body having two diametrically opposite bores on a left-side portion and a right-side portion thereof; the actuating portion is another longitudinal hollow body having two diametrically opposite press buttons formed on an outer surface thereof; wherein the actuating portion is inserted in the actuating member such that the two diametrically opposite press buttons protrude out from the respective two diametrically opposite bores and a portion of the longitudinal hollow body of the actuating portion is situated inside the longitudinal hollow body of the actuating member; wherein the actuating portion is made of a soft compressible material as compared to the actuating member which is made of a hard rigid material; wherein the two diametrically opposite press buttons have dimensions closely matching those of the respective two opposite bores on each side of the actuating member; wherein the applicator head and the actuating member define an interior chamber in fluid communication with the cavity of the storage member for receiving the product stored in the cavity of the storage member when a user inverts the dispensing package; wherein the press buttons are manually movable between a deformed position and a rest position, wherein in the rest position, the press buttons are in a non-deformed state; and wherein in the deformed position, the press buttons are deformed by applying pressure for compressing the product within the interior chamber which in turn dispenses the product through a dispensing tip formed at an upper end of the dispensing portion
Owner:QUADPACK INDUSTRIES SA

Paper tube scrap briquetting machine with conveying auger mechanism

The utility model discloses a paper tube chipping briquetting machine with a conveying auger mechanism, which relates to the technical field of paper tube processing, and comprises a material pressing shell, an air cylinder is arranged right above the material pressing shell, one side of the material pressing shell is hinged with an equipment box door, one side of the material pressing shell is provided with a feeding mechanism, and the other side of the material pressing shell is provided with a conveying auger mechanism. The feeding mechanism transversely conveys injected materials, then the feeding amount of paper tube scraps is controlled, the uniformity of briquetting of the paper scraps is met, the shaping mechanism conducts shaping treatment on the guided-in paper scraps, and the paper scraps are vertically pressed through the briquetting device, so that the paper scraps form paper blocks consistent in specification. According to the briquetting machine, the driving motor is used for driving the spiral blades to rotate, then materials are transversely conveyed, transverse conveying is conducted through the spiral blades of different specifications, then the conveying amount of the materials is accurately controlled, and the situation that the compression stability of the briquetting machine is affected due to the fact that the one-time injection amount is too large is avoided.
Owner:JIANGSU DONGXIN PAPER CO LTD

Method for estimating flow rate distribution of sprayed material, method for estimating temperature distribution of object, method for designing spray nozzle, and method for creating learned model

Provided are a method for estimating a flow rate distribution of an injected material, a method for estimating a temperature distribution of an object, a method for designing a spray nozzle, and a method for creating a learned model, which are capable of accurately estimating a flow rate distribution of an injected material injected from a spray nozzle on an injection surface while using a particle method having a track record as a numerical simulation method even for a gas-liquid multiphase fluid.SOLUTION: An inflow particle arrangement interval d ' obtained from a filling rate α of the liquid phase and an initial inter-particle distance d is defined as a particle interval in the particle inflow region, a function of a probability that particles are generated in the particle inflow region is defined as a particle generation rate function P, and coordinates of the injected material in the particle inflow region are represented by the inflow particle arrangement interval d ' and the particle generation rate function P, the particle generation rate function P is calculated in advance by using a flow rate distribution on a test ejection surface measured in advance by using a test spray nozzle having the same shape as the spray nozzle.SELECTED DRAWING: Figure 1
Owner:JFE STEEL CORP

Existing pipe rehabilitation method

To provide an existing pipe rehabilitation method for repairing and rehabilitating existing pipes consisting of manholes and sewer pipes, which have circular and / or irregular shapes such as rectangular, horseshoe, and triangular shapes, and which is also excellent in chemical resistance and abrasion resistance. [Solution] This is an existing pipe rehabilitation method for repairing and rehabilitating existing pipes consisting of manholes and sewer pipes that have circular and / or irregular shapes such as rectangular, horseshoe, and triangular shapes. The method comprises the steps of: attaching and fixing a lattice-shaped reinforcement material made of inorganic fibers to the inner surface of the existing pipe; fixing a sheet-like and / or panel-like structure made of synthetic resin to the back of the reinforcement material with fixing devices; flowing an injection material into the space formed between the reinforcement material and the structure and curing and hardening it; and welding the synthetic resin to the joints that appear in the structure after the injection material has cured and hardened.
Owner:TRUST TECHNO CO LTD +3

Multi-sprue-gate ejection mechanism capable of accurately controlling material quantity of same mold cavity

The invention belongs to the technical field of injection molding machines, and particularly relates to a multi-sprue-gate injection mechanism capable of accurately controlling the material quantity of the same mold cavity. Comprising an injection base, a material injection cavity which is formed in the injection base and allows liquid materials to enter, a plurality of material distribution cavities which are formed in the injection base at intervals and communicate with the material injection cavity, a plurality of injection guns which are arranged on the injection base and connected with the material distribution cavities correspondingly, and an ejection assembly which communicates with the material injection cavity and supplies materials to the material injection cavity. By limiting the structure of the injection mechanism and matching the multiple material distribution cavities with the multiple injection guns, liquid materials entering the material injection cavities are distributed and injected into the relative positions in a mold cavity through the multiple injection guns, the injection speed of the liquid materials in a mold can be effectively increased, and the injection efficiency of the liquid materials is improved. And the multiple injection guns inject materials into multiple positions of the mold cavity of the mold at the same time, so that the diffusion and flowing time of the liquid materials is effectively shortened, and the production efficiency is improved.
Owner:JINJIANG KAIJIA MASCH MFG CO LTD

Die casting machine nozzle (SZ-003)

1. The name of the design product: die casting machine nozzle (SZ-003). 2. The use of the design product: used for injecting material into the die cavity of the die casting machine. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.
Owner:DONGGUAN ZHONGTANG JINCHENG DIE CASTING MACHINERY FACTORY