75 results about "Central layer" patented technology

A shoe or other footwear has a non-removable multi-layer foot-support member (FSM) embedded within the sole. The uppermost layer is a breathable, stretchable textile configured for direct contact with the foot, offering softness and elasticity. Directly beneath it is a containment layer made of elastic fabric partially infused or impregnated with silicone, which stabilizes and restrains the granular contents below. The central layer includes one or two or three sealed chambers filled with a cured mixture of silicone and polymeric granules, forming a deformable medium that yields under pressure and mimics natural granular terrain or sand. Beneath this is a synthetic textile layer that restricts lateral expansion of the granular mixture, and preserves chamber geometry during use. The bottom component is a semi-rigid base that structurally supports and anchors all overlying layers.

The invention provides a boost inductor capable of reducing inverter loss, and relates to the technical field of inverters, a magnetic core is made of a graded nanocrystalline soft magnetic composite material, the magnetic core is composed of iron-based nanocrystalline alloy particles, the particle size gradually changes from 10-15 microns of a central layer to 25-50 microns of an outer layer, a gradient structure is formed through a layered compaction process, and the thickness of the gradient structure is larger than that of the iron-based nanocrystalline alloy particles. The winding comprises a main winding and an auxiliary winding, the main winding is a high-conductivity oxygen-free copper wire, the auxiliary winding is a carbon nanotube reinforced copper composite wire containing a multi-walled carbon nanotube with the weight ratio of 1%, the main winding is wound in a standard spiral mode, and the auxiliary winding is inserted between coils of the main winding in a staggered mode and is compacted in a layered mode to form a gradient structure; and the magnetic field distribution is obviously optimized, the eddy current loss is reduced, the stability of the gradient structure is ensured, and the magnetic core has the high saturation flux density of the nanocrystalline alloy and the low loss characteristic of the graded nanocrystalline soft magnetic composite material, so that the effect of improving the high-frequency working efficiency of an inverter is realized.

The present invention relates to a loose piece of a composite material sandwich structure, which comprises a central layer, a metal embedded part, a strengthening layer and a surface layer. The strengthening layer wraps the central layer, and the surface layer is coated on the outer surface of the strengthening layer. The central layer, the strengthening layer and the surface layer are all composite materials. One end of the metal embedded part is embedded between the central layer and the strengthening layer, and the other end thereof passes through the strengthening layer and the end face is lower than or flush with the outer contour surface of the surface layer. The present invention also relates to a manufacturing process of the loose piece of the composite material sandwich structure. The purpose of the loose piece of the composite material sandwich structure and its manufacturing process is to solve the problems of weight reduction and profile accuracy of large-sized loose pieces.

The utility model provides an earth structure demonstration model device, which relates to the technical field of earth structure demonstration and comprises a sphere, and the sphere is divided into an outer layer used for representing the earth crust, an interlayer used for representing the earth curtain and a central layer used for representing the earth core from outside to inside. The sphere is divided into the outer layer used for representing the earth crust, the interlayer used for representing the earth curtain and the center layer used for representing the earth core, and the outer layer, the interlayer and the center layer are equally divided into two halves, so that during display, the outer layer, the interlayer and the center layer on the two sides can be selected to be separated so as to be convenient for personnel to explain the earth structure; the outer layer, the interlayer and the center layer on the same side can be completely separated, further explanation by personnel is facilitated, students can more intuitively understand the explanation in a splitting mode after combination, and understanding of the students is facilitated.

The invention relates to a fabric that comprises: - an upper layer, comprising warp and weft yarns, defining a right side of the fabric; - a lower layer, comprising warp and weft yarns, defining a wrong side of the fabric; - a median plane, situated between the upper layer and the lower layer; and - a central layer, arranged on either side of the median plane, comprising at least warp and / or weft binding yarns. This fabric is characterised in that the binding yarns are configured to maintain a certain distance between the median plane and the right side and / or the wrong side, said distance varying in the warp direction of the fabric and / or in the weft direction of the fabric, so as to form a raised pattern on a surface of the fabric. The present invention also relates to a method for manufacturing a fabric according to the invention.

The present invention relates to a multilayer structure (1) for food packaging comprising: one or more central layers (10) of polymeric material stacked one on the other and defining a central assembly (11) having two free first opposite surfaces (11a, 11b); a barrier layer (20) on each free first surface (11a, 11b) of the central assembly (11) having a relative second barrier surface (20a, 20b), each barrier layer (20) is an ethylene-vinyl-alcohol (EVOH) layer.

The utility model relates to the technical field of concrete plate transfer, in particular to a transfer device for producing autoclaved aerated concrete plates, which comprises a transfer trolley and universal wheels, the universal wheels are mounted at four corners of the lower end of the transfer trolley, a bottom plate is fixedly connected to the upper end of the transfer trolley, the upper end of the bottom plate is fixedly connected with a transverse plate at the lowest layer, and the bottom plate is fixedly connected with a transverse plate at the lowest layer. Discharging assemblies are distributed on the upper surface of the transverse plate, and a lifting assembly is arranged on the outer wall of the transverse plate. Through cooperation of a second servo motor, a screw, a first oblique beam, a second oblique beam, transverse plates, grooves and concrete slabs, the second servo motor is controlled to reset, the multiple layers of transverse plates are released and unfolded again, then the concrete slabs of the central layer of transverse plates and the lowest layer of transverse plates are placed, and the charging process of the concrete slabs is achieved. The problems that when the concrete slab on the uppermost layer is loaded or taken, the concrete slab on the uppermost layer is very inconvenient to load or take due to the high position, and the concrete slab is prone to falling off are effectively solved.

In a production of a non-oriented electrical steel sheet comprising subjecting a slab containing a particular composition to a hot rolling, a hot-band annealing, a cold rolling to form a cold-rolled sheet and a finish annealing, a rolling reduction of a final finish rolling pass in the hot rolling is not less than 10%, and a coiling temperature is not higher than 620° C., and a soaking temperature in the finish annealing is 600 to 800° C. to achieve such properties that a recrystallization ratio is less than 100% as an area ratio, a strength C is not less than 2.0 and a strength difference C−D is not more than 2.0, where C is a strength at Φ=0° and φ1=0° and D is a strength at Φ=20° and φ1=0° in a section of φ2=45° of ODF obtained in a central layer of a sheet thickness.

A film for a pouch having a central layer, a first LLDPE tie layer, a second LLDPE tie layer, an outside HDPE layer, and inside HDPE layer and an inner LLDPE layer. The central layer is an ethylene EVOH, having an inside and an outside opposite the inside and a thickness. The first LLDPE tie layer is on the inside of the EVOH. The second LLDPE tie layer is on the outside of the EVOH. The at least one outside HDPE layer on an outside of the second LLDPE tie layer opposite the EVOH layer. The at least one inside HDPE layer on an inside of the first LLDPE tie layer opposite the EVOH layer. The inner LLDPE layer on an innermost of the at least one inside HDPE layer. The inside PE thickness being at least twice the outside PE thickness.

The utility model discloses a self-adhesive leveling-free anti-slip ceramic tile which sequentially comprises an anti-slip layer, a central layer and a self-adhesive layer from outside to inside, a buffer cushion layer is arranged at the corner below the self-adhesive layer, the ceramic tile and tools are prepared before construction, a ground base layer is checked, uneven positions are processed, meanwhile, the integrity of the central layer of the ceramic tile is checked, and the self-adhesive leveling-free anti-slip ceramic tile is obtained. During paving, release paper of the self-adhesive layer is torn off, the ceramic tile is adhered from one corner, leveling is avoided by utilizing the elasticity of the buffer cushion layer, a rubber hammer is used for adjusting, stripes and particles of the anti-skid layer are checked after paving is completed, the anti-skid effect is ensured, and the paving flatness and firmness of the ceramic tile are checked at the same time. The ceramic tile simplifies the construction process, has good anti-skid performance and structural strength, and effectively improves the construction efficiency and the use safety.

A personal absorbent article (20) comprising in this order a topsheet (24), an optional acquisition layer (50), an apertured central layer (60) and a backsheet (25). The apertured central layer may be a nonwoven comprising or consisting of superabsorbent fibers. The topsheet, together with the optional acquisition layer when present, at least partially conforms to the apertures of the apertured central layer so that a three-dimensional surface on the wearer-facing side of the article is provided.

The invention relates to a flat pressure sensor unit, in particular a pressure sensor sheet (3), comprising first conductor paths (310) and second conductor paths (32) and a central layer (33) arranged between the first and the second conductor paths (310, 320). The first and second conductor paths (310, 320) cross one another, spaced apart by the central layer (33), whereby cross-over points (30) are formed in order to detect, as sensors, a spacing change between the first and second conductor paths (310, 320) generated by an external application of pressure. The conductor paths (310, 320) are sewn onto at least one material layer (31, 32). First and second connecting paths (390, 391) are provided, leading away from the first and second conductor paths (310, 320), extending towards at least one electronics unit (380, 381) and ending at the at least one electronics unit (380, 381). The first and second conductor paths (390, 391) are sewn on the at least one material layer (31, 32). The flat pressure sensor unit can be easily and economically produced and allows for flexible design both in the selection of the material layers (31, 32) and in the arrangement of the conducting and connecting paths (310, 320, 390, 391).

The invention relates to a fabric comprising: - an upper layer, comprising warp and weft yarns, defining a right-side surface of the fabric; - a lower layer, comprising warp and weft yarns, defining a wrong-side surface of the fabric; - a median plane, disposed between the upper and lower layers; and - a central layer, disposed on either side of the median plane, comprising at least some binding warp and / or weft yarns. This fabric is particular in that the binding yarns are configured to maintain a certain distance between the median plane and the right-side and / or wrong-side surface, said distance varying along the warp direction of the fabric and / or along the weft direction of the fabric, so as to form a relief on a surface of the fabric. The present invention also relates to a method for manufacturing a fabric according to the invention. Figure for the abstract: Fig 1

The invention relates to a cheese mold (1) configured for molding and pressing pressed cheeses, particularly Beaufort cheese. The cheese mold (1) comprises: a central layer (5) made of a first material and having a first thickness, the central layer (5) defining a structure of the cheese mold (1); an intermediate layer (6) made of a second material and having a second thickness, completely covering the central layer (5), the intermediate layer (6) ensuring the rigidity of the cheese mold (1); and an outer layer (7) made of a third material and having a third thickness, the outer layer (7) being designed to cover the intermediate layer (6), the outer layer (7) being configured to define an external surface of the cheese mold (1) and to be in contact with the cheese. (Fig. 3)

A glazing unit includes a stack of layers between a lower substrate and a transparent upper substrate. The stack of layers includes two dielectric layers, a lower layer and an upper layer, the lower layer including a first layer made of an adhesive material, referred to as first adhesive layer, an intermediate layer made of a polymer material, in contact with the first adhesive layer, and having a refractive index that is substantially identical to that of the upper layer, a central layer in contact, in a textured interface, with each of the intermediate and upper layers, the central layer being configured so that the glazing has diffuse reflection properties.

A method for making a braking band (2) for a brake disc (1) for a disc brake, comprising the following steps: a) preparing a mold (10) having an inner cavity (11), which comprises a first portion (11a) of a shape corresponding to the braking band (2) to be made; b) preparing a band preform (20) comprising a central layer (200) made of porous ceramic material comprising silicon carbide (SiC), an upper outer layer (201) and a lower outer layer (202), said upper outer layer (201) and said lower outer layer (202) being made of porous ceramic material comprising silicon carbide (SiC) and infiltrated with silicon (SiC+Si), said upper outer layer (201) and said bottom outer layer (202) being arranged in an opposing way and on opposite sides of the central layer (200); c) placing said band preform (20) inside the mold at the first portion (11a) of said inner cavity (11); and d) injecting a liquid or semi-solid aluminum alloy inside the entire inner cavity (11) of the mold (11) so as to infiltrate only the central layer (200) of said band preform (20) made of porous ceramic material with said aluminum alloy, obtaining at the first portion (11a) an aluminum metal matrix composite reinforced by said central preform (200) which defines the braking band (2) to be made. A braking band and a brake disc are made at least with the aforesaid method.

The invention relates to a silage film with a total thickness between 75 µm and 150 µm, comprising at least one outer and at least one inner layer, a central layer composed of a soft polyethylene (PE), selected from linear low-density polyethylene (LLDPE) or low-density polyethylene (LDPE), at least one functional layer arranged on either side of the central layer and at least one intermediate layer positioned between each functional layer and the outer or the inner layer. At least one functional layer is composed of a special polyethylene that replaces conventional barrier layers. The silage film is entirely free of any barrier layers, including polyamide (PA) or ethylene vinyl alcohol (EVOH).

This invention discloses a cold-cut anti-fraying webbing, relating to the field of webbing technology. It includes a webbing body, which is an integrated composite structure comprising, from the inside out, a reinforcing central layer, a first side buffer layer and a second side buffer layer, a first surface skin-friendly layer and a second surface skin-friendly layer, side edge locking ribs, and a surface penetrating shaping coating covering the outer side of the webbing body. This invention relies on a triple anti-fraying structure: internal low-melting-point irregularly shaped adhesive yarn multi-dimensional cohesion constraint, side dense locking rib edge limiting, and surface shaping coating gap reinforcement. This allows the webbing to be directly cold-cut using a room-temperature sharp blade, enabling free cutting at any transverse or longitudinal position. The cut edge requires no heat-sealing, no glue-sealing, and no sewing.

The invention discloses a sampling device for a sludge layer at the bottom of a reservoir and relates to the field of hydraulic engineering. The device comprises a sampling barrel, a connecting shaft is rotatably mounted in the sampling barrel, the connecting shaft is provided with a transmission mechanism, the transmission mechanism comprises a worm fixedly mounted on the connecting shaft, the worm is meshed with a worm gear, one ends of first connecting rods are fixedly mounted on the two sides of the worm gear, and the other ends of the two first connecting rods are rotatably mounted on a second connecting rod; a moving plate is fixedly mounted on the second connecting rod and penetrates through the sampling opening to extend out, and the sampling opening is formed in the sampling barrel. By arranging the grab bucket type sampling mechanism, a grab bucket goes deep into a sludge layer for direct grabbing during sampling, and the problem of center layering deviation caused by large viscosity of sludge and the inner wall of a traditional sampling pipe is avoided. Samples at different positions can be uniformly obtained, the overall condition of a sludge layer can be reflected more truly, the accuracy and representativeness of the samples are improved, and reliable data are provided for subsequent research and analysis.

The invention provides a manufacturing method of a liquid cooling plate of a copper-aluminum structure, and the manufacturing method comprises the steps: S1, obtaining a bottom plate which comprises a central layer and a coating layer wrapping the central layer, the central layer is made of aluminum, and the coating layer is made of copper; s2, the bottom plate is machined, so that a groove, a liquid inlet hole and a liquid outlet hole are formed in the bottom plate, and the liquid inlet hole and the liquid outlet hole communicate with the groove; and S3, a cover plate is obtained, the lower surface of the cover plate covers the upper surface of the bottom plate, the cover plate is made of a copper material, and an installation area used for being connected with a chip is formed on the upper surface of the cover plate. According to the manufacturing method of the liquid cooling plate of the copper-aluminum structure, the liquid cooling plate which is light in weight, low in cost and high in heat dissipation efficiency can be manufactured.

The invention discloses a microcapillary free bending springback prediction method considering a size factor. The method comprises the following steps: determining an elastic modulus, a geometric dimension and a grain size of a microcapillary to be detected; determining microcapillary flow stress in a single crystal state which is the same as that of the microcapillary material to be detected; dividing the cross section into an inner surface layer, an outer surface layer and a central layer according to the grain size of the microcapillary to be measured, and calculating the flow stress of the surface layer and the flow stress of the central layer according to a surface layer model; according to the springback theory, integration is carried out on the inner surface layer, the outer surface layer and the center layer to solve the section bending moment when the microcapillary springback occurs; and solving the rebound angle considering the size factor in the stable arc section of the microcapillary. According to the method, the size effect occurring in the bending and springback process of the pipe under the micro-scale condition is considered in the calculation of the springback angle, and the accuracy degree of free bending springback angle prediction and axis control of the microcapillary can be effectively improved.

A carbon fiber heating device for polyimide film production relates to the technical field of heating devices and comprises a stretcher, heating components are horizontally arranged in upper and lower areas of a film of the stretcher respectively, and each heating component comprises a plurality of carbon fiber heating pipes arranged in parallel along the movement direction of the film. The distance between every two adjacent carbon fiber heating pipes can be adjusted. The utility model solves the problems that the heating of the polyimide film on a stretching machine is limited by the influence of a heating structure, so that the heating of the surface layer and the central layer is not uniform, the deformation of the polyimide film is not consistent, and the product quality is influenced in the prior art.

A personal absorbent article (20) comprising in this order a topsheet (24), an optional acquisition layer (50), an apertured central layer (60) and a backsheet (25). The apertured central layer may be a nonwoven comprising or consisting of superabsorbent fibers. The topsheet, together with the optional acquisition layer when present, at least partially conforms to the apertures of the apertured central layer so that a three-dimensional surface on the wearer-facing side of the article is provided.

High frequency filter, comprising: at least one acoustic wave device (10) comprising: a layered substrate having a piezoelectric material layer (12) comprising a multilayer piezoelectric substrate having three layers (12A, 12B, 12C) bonded to a second material layer (12'; 12") comprising a material having a higher thermal conductivity than the piezoelectric material layer (12), of which a central layer (12B) of the three layers (12A, 12B, 12C) has the largest electromechanical coupling coefficient; interdigital transducer electrodes (14) arranged on a surface of the piezoelectric material layer (12); Contact pads (32) arranged on the piezoelectric material layer (12) and in electrical contact with the interdigital transducer electrodes (14); external connection pads (34) arranged on the second material layer (12'; 12"); and conductive vias (30) passing through the layered substrate (12; 12'; 12'; 12") and establishing electrical contact between the contact pads (32) and external connection pads (34).

The application provides a red pigment sheet. The red pigment sheet comprises a central layer and at least one set of interference cavity film stacks stacked on at least one side main surface of the central layer, each set of interference cavity film stacks comprising a first dielectric layer, a first metal light adjusting layer, a second dielectric layer and a second metal light adjusting layer which are sequentially stacked in a direction away from the central layer, wherein the thickness of the second dielectric layer is an even multiple of the thickness of the first dielectric layer, and the thicknesses of the first dielectric layer and the second dielectric layer are set so that when the observation angle is the normal direction of the main surface of the central layer, the red pigment sheet has only one main peak in the 380-780 nm wave band, the position of the main peak is at 600-700 nm, and the half peak width is less than 80 nm. The red pigment sheet has high color purity, wide color change color gamut, and large production tolerance and high efficiency.

The invention provides a method for automatically selecting and reconstructing a central layer, which comprises the following steps of: performing an automatic layer selection step on at least one plane of an x plane, a y plane and a z plane of a cone beam computed tomography system, namely performing rotary scanning on a measured object to obtain at least one original projection drawing, and obtaining a target projection drawing according to the original projection drawing; a preset number of target rows and columns are selected from a pixel point matrix of the target projection drawing, reconstruction rows and columns are obtained according to the target rows and columns and serve as reconstruction center layers of the corresponding planes, and the preset number is a natural number larger than or equal to 1. Through the method provided by the invention, the problem that in the prior art, only manual adjustment can be carried out, and the reconstruction center layer cannot be automatically selected is solved.

Disclosed herein is an absorbent front assembly for integration in a washable absorbent male undergarment. The absorbent front component has an extension in a longitudinal direction (y), a transverse direction (x) and a thickness direction (z) perpendicular to the longitudinal direction (y) and the transverse direction (x). The absorbent anterior assembly includes a liquid permeable layer, a liquid impermeable layer, and first and second absorbent layers positioned between the liquid permeable layer and the liquid impermeable layer. The absorbent front component is a three-dimensionally shaped absorbent front component comprising first and second side panels joined along a long curved side edge by a curved central joint extending from a top edge to a bottom edge of the absorbent front component in a longitudinal direction (y). Each layer of the three-dimensionally shaped absorbent front component comprises first and second layer side panels joined along long curved layer side edges by a central layer joint extending in a longitudinal direction (y) from a top edge to a bottom edge of the absorbent front component and curved in a thickness direction (z). The central junction of the absorbent front assembly includes a central layer junction in which the first and second layer side panels of the first absorbent layer are joined by a flat lock stitch in class 600 according to international standard ISO 4915. An absorbent male undergarment including the absorbent front panel and methods for making the absorbent front panel and the absorbent male undergarment are also disclosed.

A multilayer ceramic capacitor includes a laminate and an external electrode. The laminate includes a central layer portion in which first and second internal electrode layers are alternately laminated with a dielectric ceramic layer therebetween, a peripheral layer portion sandwiching the central layer portion in the lamination direction, and a side margin sandwiching the central layer portion and the peripheral layer portion in the width direction. When a point P indicates an end in the width direction of the internal electrode layer closest to a main surface of the laminate, and a point Q indicates a point where a boundary between the peripheral layer portion including the point P and the side margin including the point P intersects the main surface, and an imaginary line IL is drawn to pass through the point P and the point Q, the boundary is curved from the imaginary line IL.

Disclosed is an absorbent core for use in an absorbent article, the absorbent core extending in a transverse direction and a longitudinal direction and having a thickness in a vertical direction perpendicular to the transverse direction and longitudinal direction, the absorbent core comprising: a liquid-permeable top cover layer; abottom cover layer; a high loft central layer between the top cover layer and the bottom cover layer, the high loft central layer having a top surface and a bottom surface, wherein the high loft central layer has from about 0.05 g / cm3 to about 0.15 g / cm3 at 4.14 kPa (0.6 psi) and / or the initial thickness of the central layer at 4.14 kPa (0.6 psi) is more than about 0.30 mm, as measured using Thickness and Density Measurement Method herein; and a superabsorbent polymer in the form of particles deposited on the high loft central layer, wherein the superabsorbent polymer particles have a capacity of at least about 20g / g as measured by the CRC method described herein; wherein each of the top cover layer and the bottom cover layer are bonded to the top surface and the bottom surface of the high loft central layer, respectively, by a substrate adhesive having a density of less than about 13gsm,; wherein each of the top cover layer and the bottom cover layer are further bonded to the top surface and the bottom surface of the high loft central layer, respectively, by an auxiliary adhesive having a density of more than about 25gsm, the auxiliary adhesive distributed for less than 10%of each of the area of the high loft central layer facing the top cover layer and the bottom cover layer.

This invention provides a method, apparatus, and silicon carbide single crystal preparation method, relating to the field of silicon carbide single crystal technology. The method includes: vertically arranging multiple silicon carbide raw material wafers at intervals at the bottom of a crucible cavity, wherein the multiple silicon carbide raw material wafers have a multilayer structure, and the silicon-to-carbon ratio of the silicon carbide raw material wafers gradually decreases from the central layer to the outer layers; placing a silicon carbide seed crystal in the crucible cavity, the seed crystal being positioned above the multiple silicon carbide raw material wafers; installing the crucible in the furnace cavity of a growth furnace, and growing the silicon carbide single crystal according to a preset growth program. This invention's preparation method, by precisely controlling the ratio of carbon source to silicon source in the raw materials, effectively alleviates the Si / C ratio imbalance problem in the later stages of growth, stabilizes the crystal growth rate, improves the slow growth situation in the later stages, and reduces defects.