157results about "Ceramic shaping linings" patented technology

A configurable mold for concrete-casting, methods of use and method using the configurable mold.

A mold (10) intended to form a slab from a mixture of agglomerate, a sheet (15) of PVA-based plastic material deposited over the mold surfaces so as to form with it a surface for subsequent contact with the mixture introduced into the mold for forming the slab, whereby in at least some areas a layer (14) of a fluid agent containing PVA in a solution is interposed between the sheet (15) and the mold surfaces. A system involving a plant and mold are also described.

The present inventive concept relates to a mold and a construction panel manufacturing method using same, in which, in order to manufacture a construction panel, a surface on which a raw material is applied is formed into a curved surface by continuously connecting a rope. The mold comprises: first and second side plates facing each other; a curved base forming a predetermined curved surface between the first and second side plates by being interweaved to the first and second side plates; and a sheet member disposed along the curved base so as to form the curved surface, and enabling a construction panel raw material to be applied thereon. Thus, construction panels having variously-shaped curved surfaces may be manufactured by repeatedly using the first and second side plates while differing the interweaving of a rope so as to correspond to a curved surface of a construction panel to be manufactured. Accordingly, the present inventive concept has the effect of having excellent manufacturing efficiency for construction panels having curved surfaces.

The invention discloses a stone texture-imitated ceramic water permeable brick and a manufacturing method thereof. The ceramic water-permeable brick with the imitated stone texture sequentially comprises a green body backing material layer, a green body surface material layer, a ground glaze decoration layer, a pattern decoration layer, a surface glaze decoration layer and a functional glaze decoration layer from bottom to top, and when the ratio of the nominal length to the nominal thickness of the ceramic water-permeable brick is smaller than or equal to 4, the ceramic water-permeable brick is a water-permeable pavement brick, the splitting tensile strength is larger than or equal to 3.0 MPa; the permeability coefficient is greater than or equal to 1.0 * 10 <-2 > cm / s; when the ratio of the nominal length to the nominal thickness of the ceramic water-permeable brick is larger than 4 and the ceramic water-permeable brick is a water-permeable pavement slab, the breaking strength is larger than or equal to 3.0 MPa, and the water permeability coefficient is larger than or equal to 1.0 * 10 <-2 > cm / s. The water-permeable ceramic tile product provided by the invention is clear in texture, rich in pattern effect, optional in product color and capable of realizing color and texture representation of the existing stone.

The invention discloses a preparation method of an easy-to-demold concrete test mold with super-hydrophobic and super-smooth inner wall, and belongs to the field of concrete test molds. The method comprises the following steps of: a, spin-coating negative photoresist, and obtaining a substrate with an inverted trapezoidal micron structure on the inner wall in an ultraviolet lithography manner; b, depositing a metal layer through vacuum evaporation; c, removing the metal layer on the upper surface of the inverted trapezoidal micron structure on the inner wall of the substrate; d, obtaining a micro-nano hierarchical structure on the metal layer; e, spin-coating molten wax, and after cooling, filling the micron-sized pores with solid wax; f, depositing aluminum through vacuum evaporation, and performing anodic oxidation to obtain a porous metal aluminum surface; g, solid wax is discharged, lubricating oil is injected, the whole pores are filled with the lubricating oil, and the super-hydrophobic and super-smooth surface is obtained; and h, splicing the base to obtain the easy-to-demould concrete test mould with super-hydrophobic and super-smooth performance. The cohesiveness of the concrete and the inner wall of the test mold is reduced, so that the concrete is easily separated from the inner wall of the concrete test mold.

The utility model discloses a high-speed rail evacuation platform plastic mold, which relates to the technical field of high-speed rail evacuation platform production and comprises a base, a mounting groove is arranged at the upper end of the base, pop-up components are symmetrically mounted at the bottom end in the mounting groove, a mold body is movably connected in the mounting groove, and a mold groove is arranged at the upper end of the mold body. A demolding assembly is installed at the bottom end in the mold groove, connecting blocks are symmetrically and fixedly connected to the two ends of the mold body, and fixing assemblies are installed in the connecting blocks. By the adoption of the structure, evacuation platforms of different sizes and shapes can be produced by replacing molds, production flexibility is improved, daily maintenance of the molds by personnel is facilitated, production interruption caused by mold problems is avoided, timely supply of the high-speed rail evacuation platforms is guaranteed, and production efficiency is improved. And meanwhile, the evacuation platform can be easily and quickly separated from the mold after being formed in the mold, so that the production period is shortened, and the production efficiency is improved.

To provide a water-permeable sheet with little fluffing after being removed from a mold. [Solution] A water-permeable sheet used in formwork for manufacturing concrete products, the water-permeable sheet having a first nonwoven fabric layer containing a first resin fiber and a second nonwoven fabric layer arranged on one side of the first nonwoven fabric layer and containing a second resin fiber, the 60° gloss value of the surface of the water-permeable sheet facing the second nonwoven fabric layer being 5.0 or higher.

A method for manufacturing a structure having at least one microscale feature includes mixing a powdered material with a binder to yield a slurry, shaping the slurry to yield a green device, and sintering the green device to yield the structure.

According to the present invention, there is provided a pipe forming apparatus for forming a pipe at an installation site. The apparatus includes a former upon which material is wound, and a mold for receiving the former bearing the wound material. An applicator is provided for applying curable liquid within the mold. Advantageously, the pipe is formed at site to provide for efficient formation of a pipeline. A transported ISO container providing the material and curable liquid to the site can produce 800 metres of pipeline section, compared with 60 metres in the prior art, representing a significant increase in efficiency.

The utility model discloses a wallboard for pouring molding, and relates to the technical field of wallboards. The wall board comprises a wall board body, a supporting frame is arranged at the bottom of the wall board body, a corner protector is fixedly connected to the side face of the wall board body, and a hinge block is arranged at the top of the wall board body; a supporting device is arranged at the bottom of the wallboard body and comprises a fixing block, the side face of the fixing block is fixedly connected with the top of a supporting frame, and a bidirectional reciprocating lead screw penetrates through the side face of the fixing block. The force for rotating the rotating handle is matched with components such as a threaded block, a fixed rod and a rotating rod in the supporting device by rotating the rotating handle, so that the effect of driving the wallboard main body to move upwards through the upward displacement of the positioning block is realized, the effect of supporting the wallboard main body is achieved, deformation or inclination in the pouring process can be prevented, and the construction quality is improved. And the stability and the flatness of the wallboard main body can be maintained.

The present invention relates to the technical field related to concrete processing and molding, and specifically to a concrete molding device for iron tailings sand processing, which comprises a horizontally arranged supporting base plate, wherein supporting feet are arranged at the four corners of the bottom surface of the supporting base plate; first baffles are symmetrically arranged at both ends of the supporting base plate, and fourth baffles connected to the ground are symmetrically arranged at both ends of the first baffle plate; it adopts a plate chain conveyor belt to intermittently transmit an unloaded placement box, and synchronously completes the application of a release agent to a concrete molding groove on a concrete molding box in the placement box during the intermittent time when the placement box pauses through an auxiliary mechanism linked with the conveyor belt, and after the concrete slurry is poured through a concrete slurry mixing and extruding device, as the plate chain conveyor belt continues to move, the concrete molding box can be reciprocatedly knocked and lifted by a cam, and synchronously, in the process of the concrete molding box falling along the cam, a seismic column can perform a secondary bottoming rebound on the concrete molding box.

The utility model discloses an auxiliary curing device of a polishing roller, and belongs to the technical field of rhinestone production. Comprising a rectangular frame, a rectangular cylinder, a plurality of pulleys, a fan, a heating wire, a heating controller, four rectangular pipes and a heating wire fixing pipe, the bottom, the top and the front side of the rectangular frame are open; the top and the bottom of the rectangular cylinder are open, and the rectangular cylinder is located over the forming mold. The heating wire comprises a central heating unit and four side wall heating units; the front end and the rear end of the left side and the right side of the rectangular cylinder are each provided with a rectangular pipe, and the four side wall heating units correspond to the four rectangular pipes respectively. The side wall heating unit is fixed on the rectangular cylinder through an insulating sleeve, is vertically arranged, is arranged in a snakelike manner in the front-back direction, and is positioned on the adjacent inner side of the corresponding left side or right side of the rectangular cylinder; the wiring ends of the side wall heating units are arranged in the left-right direction, penetrate out of the rectangular barrel outwards and are located in the corresponding rectangular pipes. The central heating unit is located in the middle in the rectangular cylinder and fixed to the lower side of the heating wire fixing pipe.

The present invention discloses a kind of easy demoulding concrete test mold with super-hydrophobic / super-slip performance on inner wall and its preparation method, the method comprises the following steps: a, spin coating negative photoresist, and by the mode of ultraviolet lithography, obtain inner wall with the substrate of inverted trapezoidal micron structure;b, vacuum evaporation deposits metal layer;c, the metal layer on the upper surface of the inverted trapezoidal micron structure of substrate inner wall is removed;d, obtain micro-nano hierarchical structure on the metal layer coated by the inverted trapezoidal micron structure of substrate inner wall;e, spin coating molten wax, after cooling, solid wax fills in the micron-level pores between the inverted trapezoidal structures;f, spin coating positive photoresist, and carry out ultraviolet lithography;g, the solid wax in micron-level pores is discharged, obtains the substrate with super-hydrophobic surface structure;h, substrate is assembled to obtain the easy demoulding concrete test mold with super-hydrophobic performance. The present invention reduces the cohesion between concrete and test mold inner wall, makes concrete easily detach from concrete test mold inner wall.

To provide a method of casting a preform part for reaction bonding, the method including a step of coating an inner surface of a mold and a mandrel surface with a release layer.SOLUTION: A preform cake is formed by forming an assembling mold from a mold and a mandrel, pouring slurry into a mold cavity, and letting it settle. Thermally removing a release layer helps removing the mandrel after pyrolysis and removing the preform cake.SELECTED DRAWING: None

A plastic encased mandrel includes an open cell carbonaceous foam that is shaped to correspond to a core of a ceramic matrix composite (CMC) part. A polyvinyl butyral (PVB) plastic is injection molded into the carbonaceous foam, before or after shaping, to encase the carbonaceous foam core and form an encased mandrel. The open cell carbonaceous foam may be silicon carbide (SiC) foam or reticulated vitreous carbon (RVC) foam. The foam core may be incorporated into the CMC part when SiC foam is used for better distribution of thermal and structural loads or the foam core may be removed from the CMC part when RVC foam is used, such as when a CMC vane incorporates a metal spar.

To provide a water-permeable sheet with minimal fluffing after demolding. [Solution] A permeable sheet used in a mold for manufacturing concrete products, wherein the permeable sheet comprises a first nonwoven fabric layer containing first resin fibers and a second nonwoven fabric layer containing second resin fibers, disposed on one side of the first nonwoven fabric layer, and the 60° gross value of the side of the permeable sheet facing the second nonwoven fabric layer is 5.0 or more.

The invention relates to a method for manufacturing a part made of composite material, comprising the arrangement of a fibrous preform (10, 20) in the impregnation chamber (110, 210) of a mould (100, 200), the impregnation chamber (110, 210) being closed by a flexible membrane (130, 230) separating the impregnation chamber (110, 210) from a compaction chamber (120, 220), an impregnation fluid (1000, 3000) being injected into the impregnation chamber (110, 210) and a compression fluid (2000, 4000) being injected into the compaction chamber (120, 220), the compression fluid (2000, 4000) being a liquid in which the value of the density is between 60% and 125% of the density of the impregnation fluid (1000, 3000).

The utility model discloses a bridge plate formwork which comprises an upper transverse plate, a lower transverse plate, a bottom support and a working table, the upper transverse plate is connected with the lower transverse plate through an inserting block, a wedging groove matched with the bottom support is formed in the working table, two sets of oil pressure lifting tables are arranged in the working table, stacking plates are arranged on the oil pressure lifting tables, and pressing blocks are arranged on the side walls of vertical plates. The occlusion block is arranged on the bottom support, the pressing block and the occlusion block limit the degree of freedom of the transverse plate and the vertical plate, and the pouring precision and stability of the bridge block are ensured. The leveling strips enhance the structural strength, resist the pouring pressure, improve the flatness of the transverse plate, reduce concrete gaps and improve the compactness and uniformity. And the placing strip is clamped in the pressing positioning groove, so that the upper transverse plate is stably positioned, and the manufacturing precision is improved. The working table through groove facilitates forklift operation, bridge block transportation is simplified, and efficiency is improved.

The invention provides a concrete preparation method, a mold and a concrete curing system, and belongs to the field of concrete. The method comprises the following steps: providing a mold and mixed slurry, wherein the mixed slurry comprises low-calcium clinker, phosphogypsum, carbide slag and water; pouring the mixed slurry into the mold to form a concrete member; curing the concrete member by using flue gas to obtain concrete; wherein the low-calcium clinker contains Ca < 14 > Mg < 2 > (SiO < 4 >) < 8 >, beta-Ca < 2 > SiO < 4 > and Ca < 2 > Al < 2 > SiO < 7 >. According to the invention, the high temperature of the flue gas can be utilized to realize the curing effect, the pollutant components in the flue gas and the components in the formula can be utilized to react with each other to realize sulfur fixation, nitrogen fixation and carbon fixation, the effect of improving the early strength is achieved by virtue of the reaction while the pollutant purification effect is achieved, the concrete with good performance can be prepared, and the cost is reduced. And pollutants in the flue gas can be purified, so that the coordination of the requirements of the concrete, flue gas emission and environmental protection is realized.

A method for preparation of a mold (10) intended to form a slab from a mixture of agglomerate comprising the steps of depositing over the mold surfaces a sheet (15) of PVA-based plastic material so as to form with it a surface for subsequent contact with the mixture introduced into the mold for forming the slab, whereby in at least some areas a layer (14) of a fluid agent containing PVA in a solution is interposed between the sheet (15) and the mold surfaces. A plant for carrying out the method and a method for production of a slab are also described.

The utility model discloses a foamed mould of foam concrete heat preservation board relates to foam concrete production equipment technical field. The device includes mould body, and the inside of mould body is provided with quick detach unit, and the spliced baffle in quick detach unit sets up in the inside of mould body, and the inner wall of spliced baffle is sprayed with release agent, side clamping piece sets up in the inside of mould body, and jacking piece sets up below mould body. The device adopts the spliced baffle, and can be disassembled into bottom plate, support plate and connecting plate and the like components after demoulding, is convenient for the thorough cleaning to each component, compared with integral mould, greatly shortens the cleaning time, reduces manpower investment, reduces production cost, and the setting of quick detach unit realizes quick demoulding and mould cleaning, so that the next round production can start faster, effectively guarantees the continuity of production, improves overall production efficiency.

The utility model provides a kind of wear-resistant corrosion-resistant brick mould, including upper die and lower die, the surface of upper die is provided with wear-resistant corrosion-resistant metal lining, and the inner wall of lower die is provided with the lining of same material;The periphery template of lower die is provided with fixed hole not penetrating outer wall;The opposite side of the lining is provided with fixed stick matching the size of fixed hole position, and the lower template of lower die is provided with through-hole;The lower lining of the lining is vertically provided with screw rod matching the size of through-hole position, further including nut matching the screw rod, and the nut is fixed in the nut groove outside lower template.The utility model is provided with wear-resistant corrosion-resistant metal lining on the surface of upper die and the inner wall of lower die, prevent the inner surface of brick mould from being damaged by sand in brick material friction when making brick, affect the size accuracy of brick embryo;Secondly, each lining of lining is independent, easy to disassemble and replace, facilitate regular inspection and maintenance.

The invention provides a release film, a method of manufacturing a multilayer electronic component, and a multilayer electronic component. The release film comprises: a base layer; and a release layer disposed on one surface of the base layer and including a cured product of a release composition, in which when a surface of the release layer is analyzed using an X-ray photoelectron spectrometer (XPS), a ratio (Si / C) of an atomic percent of silicon (at%) to an atomic percent of carbon (at%) is 0.15 to 0.20, and a surface hardness of the release layer measured by a nanoindentation method is 200 MPa to 300 MPa, and the average roughness Ra of the center line of the other surface, opposite to the one surface, of the base layer is less than or equal to 15 nm.

The utility model discloses a semiconductor equipment ceramic arm preparation die with an anti-oxidation coating, which comprises a machine table, a lower die holder is fixedly arranged on the upper end face of the machine table, a lower die is fixedly arranged at the upper end of the lower die holder, a support frame is fixedly arranged above the machine table, and an air cylinder is fixedly arranged at the upper end of the support frame. One end of the air cylinder penetrates through the interior of the supporting frame, the extending end of the air cylinder is connected with an upper mold base, an upper mold is fixedly arranged below the upper mold base, cooling structures are arranged in the upper mold and the lower mold correspondingly, a demolding structure is arranged below the lower mold, and the demolding structure comprises a positioning plate fixedly installed in the machine table; a driving motor is arranged on the rear side of the positioning plate, a transmission structure is arranged below the driving motor, an eccentric disc is arranged on the front side of the positioning plate, a connecting column is fixedly arranged at the position, away from the circle center, of the outer wall of the eccentric disc, the connecting column is slidably connected with an ejection frame, and rapid demolding can be achieved after the ceramic arm is machined.

The sample manufacturing device for concrete detection comprises a manufacturing box, a drawer box and a demolding box, the manufacturing box is provided with a plurality of cavities with upward openings; a mold, a vibration device and a demolding device are arranged in the cavity; the demolding device is arranged at the bottom of the cavity; the mold is cylindrical and is connected to the top of the demolding device in a sleeving manner; the vibration device is arranged on the side wall of the cavity and is connected to the mold; the drawer box is arranged at the bottom of the manufacturing box, and a drawer is slidably arranged in the drawer box; a concrete release agent is arranged in the drawer; one side of the demolding box is rotationally arranged on the side wall of the manufacturing box, and the demolding box can move to the position above the manufacturing box from the position above the drawer; and a rolling brush is arranged at the bottom. The problems that a traditional concrete sample manufacturing method is low in efficiency, unstable in quality, complex in demolding process and prone to damaging the sample are solved.

The utility model relates to the technical field of ceramic machining, and particularly discloses a cambered surface hexagonal workpiece machining die which comprises a base, a graphite jacket, a forming assembly and a plurality of graphite pressure heads, the graphite jacket is installed on the base, the forming assembly comprises a sheath and a separator, the sheath forms a forming space, the separator is arranged in the forming space, and the graphite pressure heads are arranged on the graphite jacket. The forming space is divided into a plurality of forming cavities, the forming cavities are used for loading blanks of the cambered-surface hexagonal workpieces, the graphite pressing heads correspond to the forming cavities in a one-to-one mode and are matched with the inner side walls of the forming cavities, and the end face shapes of the graphite pressing heads are consistent with the cambered-surface shapes of the cambered-surface hexagonal workpieces. The forming space is divided into a plurality of forming cavities through the separators, a plurality of cambered-surface hexagonal workpieces can be produced in one-time production, in addition, a plurality of graphite pressure heads in one-to-one correspondence with the forming cavities are arranged, the end face shapes of the graphite pressure heads are set to be consistent with the cambered-surface shapes of the cambered-surface hexagonal workpieces, and therefore hexagonal products with cambered surfaces are produced. The application field is widened.

The invention relates to a reaction container (1) for producing a porous geopolymer, comprising an outer container (2) with a base, an inner container (3) with a base (7), a spacer (8), a pressure valve (5), an intermediate space (6) formed by the spacer (8) between the outer container (2) and inner container (3), and a cover (4) for hermetically sealing the outer container (2) and the inner container (3), wherein the base (7) of the inner container (2) is a non-vapour retarder and forms a barrier for fluids, and wherein the pressure valve (5) is designed to discharge pressure and water vapour out of the intermediate space (6). The invention also relates to a method for producing a porous geopolymer, to a porous geopolymer with a residual moisture content after demoulding of max. 15 wt.%, and to the use of a porous geopolymer as a building material.