47 results about "Material Protrusion" patented technology

A three-dimensional printing apparatus including a tank filled with a liquid-state forming material, a platform disposed at the tank, a rotating shaft, a rotating arm, and at least one light source is provided. The rotating shaft is disposed under the tank or above the tank. The rotating arm connects to the rotating shaft such that the rotating arm is driven by the rotating shaft to rotate. The light source disposed on the rotating arm rotates along with the rotating arm and generates light projecting toward the forming material along with the part of the platform moving in the forming material, such that the forming material is solidified in layers and forms a three-dimensional object on the platform.

According to the present invention, a multilayer tablet showing suppressed layer separation and a production method thereof are provided. A concave portion having a depth of not less than 0.1 mm Ka is formed on at least one surface Sa of the both front and back surfaces (Sa, Sb) of a multilayer tablet. Particularly, a multilayer structure obtained by, in tableting, forming a convex portion for forming the concave portion on at least the upper punch, and preliminarily compressing all layers in the multilayer tablet with the upper punch to form a concave portion having the same shape with a depth of not less than 0.1 mm on the upper surface of all layers, wherein the powder materials of the next layer are protruding into the concave portion, is a preferable embodiment.

The tips of gas turbine engine turbine rotor blades are provided with an abrasive layer and the abrasive layer comprises chromised silicon carbide grit protruding from a layer of material. In particular the abrasive layer comprises a mixture of cubic boron nitride grit and chromised silicon carbide grit and the cubic boron nitride grit and the chromised silicon carbide grit protruding from the layer of material. The cubic boron nitride grit has a greater dimension than the chromised silicon carbide grit. The cubic boron nitride grit cuts the majority of a track in an abradable structure and then the chromised silicon carbide grit provides any additional cutting of the abradable structure.

The present invention provides a ballast circuit and method for fabricating the same for multi-electrode corona discharge arrays. The circuit comprises a conductive plastic material and at least one corona electrode protruding from the conductive plastic material. The distance between the plastic material and the corona electrode varies and controls the electrical resistance and determines the voltage breakdown of the circuit. Additionally, a particle collection surface may preferably be located within the conductive plastic material or preferably be separated from the material depending on the circuit design and configuration.

Disclosed herein is a transparent optical film, including an optically structured layer, which is a sheet formed of a transparent polymeric material and composed of a first surface having three-dimensional structures thereon and a second surface opposite the first surface, and a damage prevention layer formed on the second surface of the optically structured layer and composed of a transparent polymeric material and spherical organic or inorganic particles. The damage prevention layer has protruding surface portions formed by the particles protruding from the transparent polymeric material. The optical film of the current invention is advantageous because the prism structure and the opposite surface of the optical film are prevented from damage due to external impact, vibration and friction, and the attachment of impurities due to frictional static charges is prevented. Further, the front luminance and optical properties of the optical film are improved.

This method of forming a carbonaceous material projection structure includes: the step of applying a resist 11 onto a diamond substrate 10; the step of forming holes 12 in the applied resist 11, the holes 12 being provided according to a predetermined arrangement, a wall 12b of each of the holes 12 being inversely tapered from an aperture 12a toward a bottom; the step of depositing a mask material through the aperture 12a to form a mask deposition 14 in each of the holes 12; the step of lifting off a mask material 13 deposited on the resist 11 together with the resist 11; and etching the diamond substrate 10 using the mask deposition 14 as a mask to form a carbonaceous material projection.

A radiation member includes a base material; and a composite plating layer, formed on the base material, that includes a metal layer and two or more kinds of carbon materials, having different diameters from each other, dispersed in the metal layer such that to be provided with a plurality of protruding portions, each of the protruding portions being composed by a part of each of the carbon materials that are protruded from a surface of the metal layer.

The invention relates to a metallic heat exchanger tube with fins which run helically around the outside of the tube, are molded integrally therefrom and are of continuous design and the fin base of which protrudes substantially radially from the tube wall, and with primary grooves located between respectively adjacent fins. At least one undercut secondary groove is arranged in the region of the groove base of the primary grooves. Said secondary groove is delimited toward the primary groove by a pair of mutually opposite material projections formed from material of respectively adjacent fin bases. Said material projections extend continuously along the primary groove. The cross section of the secondary groove is varied at regular intervals without having an influence on the shape of the fins. There is a spacing between the opposite material projections, said spacing being varied at regular intervals, as a result of which local cavities are formed.

The invention provides a high-performance lithium iron phosphate cathode material for a lithium ion battery. During the preparation process, a carbon source used is a product obtained after nitrogen treatment of cigarette filters in ammonia gas. The invention also provides a preparation method of the lithium iron phosphate cathode material. The preparation method comprises the following steps: a product obtained after nitrogen treatment of cigarette filters in ammonia gas is firstly used as a carbon source of the lithium iron phosphate cathode material; then, an iron source, a lithium source, a phosphorus source and the above carbon source successively undergo uniform mixing, ball milling, drying, crushing and roasting so as to prepare the lithium iron phosphate cathode material. The lithium iron phosphate cathode material has outstanding merits as follows: the preparation technology is simple; cost is low; and the material is easy for large-scale production. As the product obtained after nitrogen treatment of waste cigarette filters in ammonia gas is used as the carbon source, resources are saved to realize cyclic utilization of wastes, and the lithium iron phosphate cathode material with high specific capacity and good rate capability also can be obtained. The lithium iron phosphate cathode material has important practical application value.

The invention provides a method for forming a protrusion structure of a carbon-based material. The method for forming the protrusion structure of the carbon-based material comprises: coating a resist (11) on the diamond substrate (10); opening holes ( 12), the process of making the wall (12b) of the hole (12) form an inverted taper from the opening (12a) toward the back side; start to vapor-deposit the mask material from the opening (12a) side, (12) The process of forming a mask evaporation (14) inside; the process of lifting the mask material (13) evaporated on the resist (11) together with the resist (11); A step of etching the diamond substrate (10) with the mold vapor deposition (14) used as a mask to form a carbon-based material protrusion.

The invention relates to a soldering process capable of regulating and controlling the grain orientation and structure of a tin soldered joint. The soldering process comprises the following steps thatfirstly, a layer of single crystal metal material is deposited at the position of each bonding pad of a PCB with a physical or chemical or electrochemical method or single crystal metal material protrusion points are grown on the surface of a wafer; secondly, oxides and organic contaminants on the surface of the single crystal metal material are removed; thirdly, tin-based soldering flux is soldered to the single crystal metal material with a brazing technology, and then the tin soldered joint with the specific grain orientation and structure is obtained. Since the grain orientation and structure of the tin soldered joint are effectively controlled, the reliability of the tin soldered joint can be greatly improved.

The invention relates to a device and a method for testing influence of different metal materials on SF6 local sudden discharge fault decomposing. The device comprises a pressurizing system, an SF6 discharging gas chamber, a detection system and a metal material protrusion defect model, wherein the output end of the pressurizing system is connected with the metal material protrusion defect model; the metal material protrusion defect model is arranged in the discharging gas chamber, and the detection system is simultaneously connected with the discharging gas chamber and the pressurizing system. The device and the method have the beneficial effects that the cost is low, and the testing method is simple and is suitable for being popularized; the spark discharge fault state caused by different metal protrusion defects in the SF6 electrical insulation equipment can be well simulated; the blank of failure to evaluate the influence of different metal materials on SF6 spark discharging decomposing in the existing test equipment and method for detecting the SF6 decomposing gas component to evaluate the SF6 insulation electrical equipment state is filled; the possibility is created for verifying the influence characteristic and action mechanism of the metal materials on the SF6 spark discharging decomposing.

The three-dimensional printing apparatus includes a tank, a platform, a lighting module, a control unit, a photosensitizer coating unit, and an exposure and development unit. The tank is filled with a liquid forming material, and the platform is movably disposed above the tank. The lighting module is used for providing light projecting toward the liquid forming material. The control unit coupled to the platform and the lighting module is configured to control the platform to move along a first direction, such that at least one layer object of a three-dimensional object is cured on the platform by layer. The photosensitizer coating unit is coupled to the control unit and configured to form at least one photosensitizer film on the layer object. The exposure and development unit is coupled to the control unit and configured to expose the photosensitizer film by exposing and developing to color the three-dimensional object.

Provided is a protection type precise setting-out position finder. The position finder comprises a horizontal base of which the upper portion is provided with a bearing base, the bearing base is coordinated with a wall through a flange, and the upper portion of the wall is provided with an iron plate; the structure that the upper portion of the wall is provided with the iron plate is achieved by connecting the wall and the iron plate through a connecting piece, a first connecting piece and a third connecting piece are arranged oppositely, a notch-shaped connecting opening is formed in a second connecting piece, and the bottom wall of the connecting opening faces the direction far from the first connecting piece; the upper portion of the outer wall of the bottom of a square box is integrally connected to an iron material protrusion, the iron material protrusion is located outside the top of the iron plate, and the lower portion of the outer wall of the bottom of the square box is attached to a rubber sheet through viscose glue; a notch is formed in the top wall of the top of the iron plate, and the connecting opening is formed in the side wall in the connecting opening. Through the protection type precise setting-out position finder, the defects in the prior art that the effects of connecting and erecting are lost, the complication of mounting is improved, thus the maintenance becomes difficult, and the fixing and connecting method is always not stable enough caused by a connecting piece are reduced.

The present invention provides a ballast circuit and method for fabricating the same for multi-electrode corona discharge arrays. The circuit includes a conductive plastic material and at least one corona electrode protruding from the conductive plastic material. The distance between the plastic material and the corona electrode varies and controls the electrical resistance and determines the voltage breakdown of the circuit. Additionally, a particle collection surface may preferably be located within the conductive plastic material or preferably be separated from the material depending on the circuit design and configuration.

A method of making an insole includes the steps of (a) providing a base sheet material having through holes, (b) immersing the base sheet material in a filling material for enabling the filling material to fill up the through holes, (c) baking the base sheet material to cure the filling material, (d) splitting the base sheet material to a desired thickness, (e) bonding a fabric layer to one side of the base sheet material, (f) cutting the base sheet material into semi-finished insole, (g) stamping the semi-finished insole into a finished insole where the filling material protrudes over the top and bottom sides of the base sheet material, and the fabric layer has raised portions supported on the protruded filling material corresponding to the through holes.

A contacting device (1) for contacting an electrical conductor (10) to an electrical conductor path (20) comprises a contact clip (200) arranged in a hollow space (104) of a housing (100) of the contacting device (1). In an initial state, one end (211) of the first section (210) of the contact clip is held on a material protrusion (221). The contact clip (200) is designed in such a way that, during insertion of the electrical conductor (10) into the hollow space (104) of the housing, a second section (220) of the contact clip is pressed down, whereby the end (211) of the first section (210) ofthe contact clip is released from the engaged position of the initial state and secures the electrical conductor (10) in the clamping position on the electrical conductor path (20).

The invention relates to a sealing arrangement made of a preferably integral peripheral rubber-like sealing material for sealing the sealing space for use in a rotary connection, wherein the sealing space is confined by a sealing region (17) on the bearing side and the sealing arrangement is used between at least one outer ring (or outer rotatable bearing component) (7) and at least one inner ring (or inner rotatable bearing component) (8) rotatable against one another about the same central axis, wherein the sealing arrangement is not irretrievably fixed in a groove but is connected by positive and non-positive engagement, so as to be releasable and replaceable again, to a recess (2) introduced on a surface parallel to the horizontal outer surface (20; 21) of the rotatable bearing component. The invention is in particular characterised in that a) for fixing by positive engagement on the outer or inner bearing component (7; 8) the sealing arrangement is retained by surrounding a projecting material protrusion (18) as an integral part of the outer or inner rotatable bearing component (7; 8), and b) said material protrusion (18) is surrounded by surfaces (10; 5; 15) which touch the sealing arrangement, and c) the sealing arrangement bears against a lower surface (10) on the bearing side of said material protrusion (18), which, as an abutment, supports the resistance against any axial pushing out from the direction of the sealing space (9) to be sealed.

The invention relates to a machine used to produce prestress concrete hollow post, wherein the longitudinal support has at least two support plates longitudinally; the transmission is fixed between support plates while another end is connected to the screw tube with blades; the back end of screw tube is connected to one holing tube; the screw tube is in one outer tube fixed with support or support plate; the screw tube and outer tube have material protrusion chamber between them; the radial side wall of outer tube has material inlet; the inner holing tube is in one vibration mold support whose bottom is on the ground; the inner holing tube, vibration mold support and the ground form shaping mould chamber of concrete hollow post; the vibration mold support with power device via spring is connected to the support; the vibration mold support and outer tube have guide plate between; the guide plate is horn cylinder connected to the outlet of outer tube; the vibration mold support can be integral or detachable, while its inner wall is same as the section of hollow post.

The invention concerns a method of producing a mixed substrate, that is to say a substrate comprising at least one block of material different from the material of the substrate, the method comprising the following successive steps:formation of a cavity in a substrate of first material, and from one of its faces, the formation of the cavity being carried out so as to leave at least part of the first material projecting from the bottom of the cavity,formation of the block by means of a reaction, initiated from the walls of the cavity, between the first material and at least one chemical element contributed in order to obtain a second material filling the cavity, the formation of the block being carried out so as to obtain, from the part of the first material projecting, a protrusion of second material projecting on said face of the substrate.

Provided is a three-dimensional culture structure that is excellent in cell adhesion and cell stretching and can be produced efficiently. The three-dimensional culture structure includes cells, a cell support material configured to support the cells, and bioaffinity particles. In a preferable mode, the bioaffinity particles are exposed from at least part of the surface of the cell support material, or the bioaffinity particles are protruded from the cell support material, or a surface area occupation rate at which the bioaffinity particles are exposed is 20% or greater of the entire surface of the three-dimensional culture structure, or the bioaffinity particles are dispersed in the cell support material.

The invention discloses a protecting device convenient to mount aiming at rail electric potential and a method thereof. The protecting device comprises a programmable controller and a voltage detecting module; the voltage detecting module for detecting voltage between steel rails and an protected area is in communicating connection with the programmable controller; the programmable controller is arranged in a cuboid hollow controlling cabinet, and a cover plate is welded to an opening of the controlling cabinet through a hinge; more than two opening structures are formed in the ring side wall of a second nesting part, an iron material protrusion is integrally connected to the upper portion of the outer wall of a shell of the programmable controller and is located outside a supporting platform, and a rubber piece is glued to the lower portion of the outer wall of the shell of the programmable controller through glue; and a controlling cabinet which can exchange air and lower temperature and avoid influence of particulate impurities is achieved, and the defect that the fixed connecting mode is often poor in firmness is avoided.

The invention provides waterproof, oil-proof and flame-retardant fabric, belongs to the technical field of textile products, and solves the problem that existing fabric is poor in waterproof and fireproof performance. The waterproof, oil-proof and flame-retardant fabric comprises a breathable water-absorption layer, a fireproof layer and a waterproof layer which are sequentially arranged from bottom to top, wherein a plurality of breathable cavities are formed in the breathable water-absorption layer, and a plurality of micrometer-material protrusions are arranged in the waterproof layer. The fabric further comprises breathable grooves which sequentially penetrate the waterproof layer and the fireproof layer from top to bottom, and the breathable grooves are located in gaps among the micrometer-material protrusions and communicated with the breathable cavities. The fabric has the advantages that the fabric is good in waterproof and fireproof performance and breathability, and the micrometer-material protrusions can reduce greasy-dirt adhesion to achieve an oil-proof effect.

The invention relates to a manufacturing installation (1) for the additive manufacturing of components (3), each (3) provided with at least one material overhang (2), has at least one building platform (4) on which the particular component (3) can at least partially be additively manufactured. In order to reduce the material consumption and the time to produce additively manufactured components (3), the manufacturing installation (1) has at least one preferably electrically controllable support device (5) with at least one movable support arm (6) for the at least temporary holding of at leastone support element (7,11,12,13,14), arranged on the support arm (6), during the additive manufacture of the particular component above the building platform.