49 results about "Solid core" patented technology

The invention relates to a pressure pad (22) for a diffusion soldering device and / or sintering device (10), wherein the pressure pad (22) can be inserted into a tool (12, 14), in particular an upper tool (12), of the diffusion soldering device and / or sintering device (10), said tool having at least one axially movable pressure plunger (16), said pressure pad being designed to transmit an equilibrated compressive force to the at least one pressure plunger (16). According to the invention, the pressure pad (22) is produced as a prefabricated exchange element, in particular by means of a separate casting mould (42), wherein the pressure pad (22) comprises at least one solid core (24), in particular a metal core, said core being fastened at least in sections in or on a pressure-elastic and pourable pad material (26), in particular being cast-in or at least partially overmoulded or inserted, and wherein the solid core (24) is designed and connected to the pad material (26), in particular is embedded in the pad material (26), such that the pressure pad (22) can be inserted into and removed from the tool (12, 14) by means of the solid core (24), in particular without the use of tools. In secondary aspects, the invention relates to a pressure pad unit (20) equipped with the aforementioned pressure pad (22) for a pressure plunger (16) of a lower or upper tool (12, 14), to a casting mould (42), to a casting device (44), and to a production and use method of a pressure pad (22).

The utility model belongs to the technical field of hollow-core optical fiber cables, and particularly discloses a hollow-core and solid-core hybrid optical fiber cable, which comprises at least two 8-shaped solid-core optical fiber and hollow-core optical fiber hybrid optical fiber bundles, each 8-shaped solid-core optical fiber and hollow-core optical fiber hybrid optical fiber bundle comprises a solid-core optical fiber, a hollow-core optical fiber and a connecting structure, the solid core optical fiber comprises a solid core optical fiber core, a first cladding and a first coating which are sequentially arranged from inside to outside; the hollow-core optical fiber and the solid-core optical fiber are equal in length, and the hollow-core optical fiber comprises a hollow-core optical fiber core, a second wrapping layer and a second coating which are sequentially arranged from inside to outside; the connecting structure wraps the first coating and the second coating so as to connect the first coating and the second coating into a whole. The hybrid optical fiber cable is based on hybrid cabling of the hollow-core optical fiber and solid-core optical fibers such as G.652D, G.654E or G.655, assistance can be provided for positioning of abnormal points of the hollow-core optical fiber by means of detection of the abnormal points of the solid-core optical fiber, meanwhile, a network can be rapidly recovered by means of the solid-core optical fiber, the fault influence is reduced, and the application and maintenance convenience of the hollow-core optical fiber is improved.

The utility model belongs to the technical field of double-clean solid core boards, and particularly relates to a double-clean solid core board which comprises a frame sealing frame, a Chinese oak board is fixedly installed in the frame sealing frame, waterproof layers are fixedly installed on the top of the Chinese oak board, the opposite sides of the two waterproof layers are tightly bonded with the same Chinese oak board through a first DM I adhesive layer, and a second DM I adhesive layer is arranged on the other side of the two waterproof layers. When the whole Chinese oak board is used, the whole Chinese oak board is compact in structure, high in hardness, capable of resisting abrasion and corrosion and long in service life, the whole board is high in stability and not prone to deformation, and the fireproof layer is arranged on the side, away from the waterproof layer, of the whole board. Meanwhile, the first DM I adhesive layer, the second DM I adhesive layer and the third DM I adhesive layer are free of formaldehyde, formaldehyde release is completely eradicated from the source, harm of formaldehyde to human health and pollution to the environment can be effectively avoided, and healthy and environment-friendly living and working space can be provided for people.

The application discloses an environment-friendly solid-core recycled wood-plastic door and window and belongs to the technical field of doors and windows. The environment-friendly solid-core recycled wood-plastic door and window comprises a door and window main body, an alloy mounting frame, a combined frame and an external hidden photovoltaic layer. The alloy mounting frame is composed of a mounting frame for mounting a glass panel and the combined frame for connecting the detachable solid wood frame body. The detachable solid wood frame body comprises a solid wood telescopic surface layer, a heating buffer layer and a linking combined layer. The wood-plastic door and window is composed of the alloy mounting frame and the detachable solid wood frame body. The solid wood frame strip meets the requirements of indoor decoration and sound insulation. The detachable design enables the wood-plastic door and window to be replaced when the wood-plastic door and window is damaged or mildewed. The locking type assembly and the sealing type assembly are matched to realize the effect of quick and simple disassembly. The material structure of the honeycomb buffer layer realizes the effects of shock resistance, heat preservation and noise reduction. The feature of the quicklime of the honeycomb buffer layer material absorbs the moisture of the wood-plastic door and window, thereby avoiding the deformation of the wood-plastic door and window caused by moisture.

This invention belongs to the technical field of special optical fibers and their photonic devices, and relates to a tunable solid-core anti-resonant optical fiber filter based on surface plasmon resonance. It includes a fiber core, cladding, and outer cladding arranged sequentially from the inside out. The cladding contains six cladding tubes, evenly distributed circumferentially around the center of the fiber core. Each cladding tube includes four unplated and two gold-plated tubes. The two gold-plated tubes are symmetrical about the axis of the fiber core. Both the unplated and gold-plated tubes include a tube wall with a central pore. The inner surface of the tube wall of the gold-plated tubes is coated with a gold film. This invention designs the anti-resonant optical fiber as a solid core structure, making the fiber more robust, and introduces surface plasmon resonance technology into the fiber. By coating the inner wall of the cladding tubes with a gold film to excite the surface plasmon resonance effect, a significant difference in the confinement loss of the two polarization fundamental modes in the fiber core is generated, thereby achieving a polarization filtering effect.

The invention provides acoustic contrast particles as well as a preparation method and application thereof. The acoustic contrast particle comprises a solid core, an elastic middle layer and a shell layer, the solid core is coated with the elastic middle layer, the elastic middle layer is coated with the shell layer, the density of a solid core material is larger than or equal to 3 g / cm < 3 >, the elastic modulus of a middle elastic layer material is smaller than 1 GPa, and the shell layer is made of resin. Aiming at the problems that a spray drying method for preparing acoustic material particles is low in granulation speed, high in energy consumption and high in selection requirement on elastic layer materials, an acoustic contrast material particle formula and a processing technology are redesigned, and an elastic middle layer comprises elastic filling powder particles and an elastic adhesive material; the preparation efficiency of the acoustic material particles is improved by using a dusting and coating process; the complexity of the processing technology is reduced, the selection range of the elastic material is expanded, and the overall temperature resistance of the particles is improved.

This invention discloses a foamed solid laminated ball, comprising a solid core, an adhesive film layer, and a ball sheet arranged sequentially from the inside out. The specific manufacturing process is as follows: a pre-prepared foaming material is injected into a mold cavity to form a foamed solid core; the mold cavity is shaped like a basketball, soccer ball, volleyball, or rugby ball. An adhesive layer is applied to the prepared foamed solid core, and the processed ball sheet is also coated with an adhesive layer. The adhesive-coated ball sheet and the adhesive-coated solid core are then bonded together manually or automatically to form a solid laminated ball. The solid laminated ball is placed in a heated mold, where the core and the ball sheet are firmly bonded together under high temperature. This patented foamed solid core has a short manufacturing process, low labor costs, and its elasticity is unaffected by changes in air pressure, requiring no inflation and never leaking.

A fuel injector comprises a coil (70), a solid core (50), a movable core (40), a valve body (30), an inner core part (52) that is part of the solid core which faces the movable core, an outer core part (51) that is part of the solid core which faces the movable core and is located outside the inner core part with respect to the annular center line (C), a non-magnetic component (60) that is arranged between the inner core part and the outer core part and has weaker magnetism than the solid core, an inner weld part (W20) that is a weld part between the inner core part and the non-magnetic component and is provided on at least one side selected from the side of the movable core of the non-magnetic component and a side of the non-magnetic component (60) opposite the movable core, and an outer weld part (W10).which is a welded part between the outer core part and the non-magnetic component and is provided on a welded surface (60b) of the non-magnetic component on the same side as the inner welded part. A recess (61) is formed on a part of the welded surface between the inner welded part and the outer welded part.

The invention provides a solid-state reactor core temperature field reconstruction verification system and method. The verification system comprises a simulation reactor core system which comprises a test base body, a plurality of electric heating rods and a plurality of test heat pipes, wherein the electric heating rods and the test heat pipes are embedded into the test base body; the axial length of the test base body is smaller than that of the actual base body, the test heat pipe comprises an evaporation section, a heat insulation section and a condensation section, the evaporation section and the test base body are equal in axial length and fixed in position, and the length of the condensation section is adjustable; the length of the heating section of the electric heating rod is adjustable; the cooling subsystem comprises at least one parameter-adjustable cooling medium circulation loop, and the cooling medium circulation loop is connected with the condensation section of the test heat pipe and is used for equivalently simulating the heat trap boundary of the solid reactor core; and the data acquisition and control subsystem is respectively connected with the electric heating rod and the cooling subsystem and is used for adjusting the heating power of the electric heating rod according to a preset working condition and changing the cooling capacity of the cooling subsystem by adjusting the adjustable parameters of the cooling medium circulation loop.

1. Name of the product in this design: Solid core wall panel. 2. Application of this design: decorative panel material. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A production string includes one or more segments each including a solid core defining a plurality of non-intersecting production conduits. Flow through the conduits can be selected such that, as a first instance, substantially all of the fluid flowing from the subterranean zone to the surface location is permitted to flow through one or more of the plurality of production conduits. In response to a liquid loading event, as a second instance, flow is prevented through at least one of the plurality of production conduits, such that a total cross-sectional area of the production conduits in the second instance is less than a total cross-sectional area of the production conduits in the first instance.

The invention relates to a sliding surface fixed-point diameter-expanding bag type anti-shearing structure and a construction method, and belongs to the technical field of landslide treatment. The device is arranged in a drill hole penetrating through a slip surface of a landslide mass, and the drill hole forms a diameter-expanding cavity in the slip surface and in an up-down preset range of the slip surface; the bag assembly is arranged in the expanding cavity in a matched mode, an air bag convex shield integrally formed with the bag assembly is arranged at the bottom of the bag assembly, and the air bag convex shield is embedded into the overdrilling section in a matched mode and tightly attached to the hole wall; the bag assembly at least comprises a flexible bag body layer and a curing enhancement layer from inside to outside; the curing enhancement layer is tightly attached to the inner wall of the expanding cavity through resin curing, and a rough interface embedded with the hole wall of the expanding cavity and surrounding rock cracks of the hole wall is formed on the outer surface of the curing enhancement layer; and the anti-skid solid core is filled and consolidated in the inner cavity of the flexible capsule layer. And the shear thrust of a landslide body is effectively resisted, so that the sliding of a sliding surface is hindered.

The present application relates to a kind of solid core-porous shell ratio adjustable aerogel fiber and preparation method and application, belong to aerogel fiber composite material technical field, the solid core prepared in the present application and the porous shell ratio adjustable aerogel fiber, "solid core" and "porous shell" two components are completely same, combine closely, there is no phase separation in actual use process, also can control the proportion of solid core and porous shell in aerogel fiber, realize the regulation of microstructure in fiber;By changing swelling time, the microstructure in aerogel fiber is regulated, and different microstructure shows that the difference of thermal insulation performance, electromagnetic shielding performance, electromagnetic wave reflection / absorption characteristics is greater, not only greatly improve the mechanical properties of aerogel fiber, and aerogel fiber also has renewable and repeatable customization.

A negative pressure suction surgical electrotome belongs to the technical field of medical instruments and comprises an electrotome rod and an operating handle, the operating handle is a hollow handle, an electrotome chip and a miniature negative pressure pump are arranged in the operating handle, an electric cutting switch, an electrocoagulation switch and a negative pressure switch are arranged on the outer surface of the operating handle, the electrotome rod is a hollow rod, and an inclined solid core tool bit is arranged at the front end of the electrotome rod. The tail end of the electrotome rod is a straight cut-off hollow electrotome tail, the rear section of the electrotome rod is electrically connected with the electrotome chip and communicated with the miniature negative pressure pump, a ceramic membrane is arranged on the front section of the electrotome rod, and a plurality of smoke suction holes are formed in the portion, close to the solid-core electrotome head, of the electrotome rod and the ceramic membrane at the position. The smoke suction hole vertically penetrates through the ceramic membrane and the rod wall of the hollow electrotome rod; the electrotome has the advantages that smoke and liquid discharging functions are added to the electrotome, the smoke suction hole is formed in the front portion of the hollow electrotome rod, smoke or interstitial fluid generated by electrotome can be sucked out in time, and the operation view can be kept clear all the time on the whole.

A hollow-core optical fiber for a fiber optic network is disclosed. The hollow-core optical fiber includes opposing end portions. A main portion extends between end portions. A tapered region is between an end portion and the main portion. One end portion has a reduced outer dimension. A cladding defines an inner surface of the main portion. The inner surface defines a hollow core. The cladding includes a doped layer. At least one end portion and tapered region has a solid core. The main portion has an outer diameter greater than 126 μm and one end portion has an outer diameter of 126 μm or less. A fiber optic cable assembly includes a hollow-core optical fiber, and optionally one or more single mode fibers (SMF) and / or multimode fibers (MMF), terminated by a fiber optic connector. A method of making such a hollow-core optical fiber and cable assembly is also disclosed.

The present disclosure provides an acoustic hollow core door comprising a door slab including an inner door frame and first and second facings secured to first and second sides of the inner door frame. The inner door frame and the first and second facings define an at least partially hollow air cavity, and at least one of the first or second facings has a thickness between about 0.150-0.320 inches and a nominal density of between about 0.80-1.1 grams per cubic centimeter. The hollow core door may include internal sticks or core inserts positioned within the hollow air cavity between the first and second facings. Acoustically absorptive material may be positioned within the hollow air cavity to reduce resonance effects around 250-315 Hz frequency range. The acoustic hollow core door achieves STC ratings of between about 25-31, while maintaining weight reduction compared to solid core doors with comparable acoustic performance.

The application discloses a kind of solid core welding wire, high wear-resistant composite step plate and their manufacturing method, belong to composite step plate technical field.The high wear-resistant composite step plate of the application is composed of base body part and wear-resistant composite surfacing face, and the solid core welding wire containing nano rare earth oxide particles is used for wear-resistant face, the solid core welding wire is combined on base material by surfacing welding, to form the composite structure of "flexible and rigid combination".The application aims at the problem of high welding difficulty of high alloying element content, high carbon equivalent and high sensitivity, by modifying welding wire, selecting appropriate welding mode, controlling welding parameter, to prepare wear-resistant face meeting the requirement of comprehensive performance.

The invention provides a composite roller shaft core and a manufacturing method thereof, the composite roller shaft core comprises a ceramic core and a conductive outer layer, the conductive outer layer is arranged on the surface of the ceramic core, and a staggered layer is formed between the ceramic core and the conductive outer layer; wherein the inner diameter of the ceramic core is d, the thickness of the staggered layer is t, the outer diameter of the conductive outer layer is D, and the following formula constraint is met: d + 2t is less than or equal to epsilon * D, and epsilon is between 0.67 and 0.96. The ceramic core replaces a traditional metal solid core material, the cost is reduced, the bonding strength of the ceramic core and the conductive outer layer is enhanced through the staggered layer, the proportional relation between the layers of the composite roller shaft core is proper through formula constraint, the thickness of the metal layer can be reasonably reduced, the cost is reduced, and the service life is prolonged. And meanwhile, the overall strength and the conductivity of the composite roller meet the requirements of practical application.

The solid-core and hollow-core optical fiber mutual conversion device comprises a bispherical lens, a glass tube, a single-mode solid-core optical fiber pigtail and a hollow-core optical fiber pigtail, the bispherical lens comprises a first end spherical surface and a second end spherical surface, and the curvature of the first end spherical surface is smaller than that of the second end spherical surface; the first end spherical surface of the double-spherical-surface lens is close to the single-mode solid-core optical fiber pigtail, and the second end spherical surface of the double-spherical-surface lens is close to the hollow-core optical fiber pigtail, so that the size of a light spot of parallel light converged by the first end spherical surface is the same as that of a light spot emitted by the hollow-core optical fiber pigtail; the hollow-core optical fiber and the solid-core optical fiber can mutually convert light, the problems of ultrahigh loss and extremely low return loss caused by welding of the solid-core optical fiber and the hollow-core optical fiber are solved, and the hollow-core optical fiber and the solid-core optical fiber have the advantages of being simple and small in structure, low in cost and excellent in performance.

The utility model discloses a two-dimensional woven square solid twelve-strand fishing line, and belongs to the technical field of weaving equipment. The fishing line comprises a first yarn and a second yarn, the second yarn and the first yarn are mutually crossed and laminated to form the fishing line, and the fishing line is of a square solid core structure; the first yarns and the second yarns form V-shaped lines on the first surface; the second face is perpendicular to the first face, and the first yarn and the second yarn form herringbone lines on the second face. The square solid-core fishing line can improve the wear resistance and tensile strength of the fishing line, is resistant to rolling and wind swing, free of yarn friction, uniform in overall thickness, free of being flattened through a take-up traction machine, free of weak points, good in toughness and moderate in ductility, the square solid-core fishing line is heavier than an existing flat fishing line of a hollow structure, the water cutting performance of the fishing line is improved, and the fishing line is suitable for large-scale popularization and application. The device can be used in wild rivers, and can be used in windy rivers or severe environments. The fishing line is smaller in line diameter and better in concealment, and the success rate of fishing can be increased.

The application relates to the technical field of welding materials, in particular to a continuous oil pipe butt welding gas protection solid core welding wire and a welding method; the chemical components of the solid core welding wire include the following: C: 0.08%-0.14%, Si: 0.2%-0.3%, Mn: 0.7%-1.0%, Ni: 0.15%-0.25%, Cu: 0.25%-0.35%, Cr: 0.5%-0.7%, Mo: 0.10%-0.15%, Nb: 0.02%-0.03%, Ti: 0.01%-0.02%, and the rest is Fe and inevitable impurities; by adopting low-carbon components, the fatigue performance of a weld is reduced, then the Mn, Ni, Mo, Cr and Cu systems are adopted, and i and Nb trace elements are added at the same time, so that the solid solution strengthening, fine-grain strengthening and precipitation strengthening methods can be comprehensively utilized to improve the strength of the weld, the hardenability of the weld metal is improved, the generation of bainite is promoted, the toughness and strength of the metal weld are improved, and therefore the fatigue resistance of a pipe-pipe butt welding joint is comprehensively improved.

Methods for forming a high current inductor leverage solid core materials to form ribbon inductors. In some embodiments, the method may include forming a central opening lengthwise through a solid core conductive material, wherein the solid core conductive material has an outer diameter, the central opening forms an inner diameter of the solid core conductive material, and a difference between the outer diameter and the inner diameter is a thickness of a ribbon conductor of the high current inductor and removing a spiral portion of the solid core conductive material to form the ribbon conductor of the high current inductor, wherein a width of the spiral portion forms a gap spacing between windings of the ribbon conductor.

The present disclosure provides an acoustic hollow core door comprising a door slab including an inner door frame, a first facing secured to a first side of the inner door frame, and a second facing secured to a second, opposite side of the inner door frame. The inner door frame and the first and second facings define an at least partially hollow air cavity, and at least one of the first or second facings has a thickness between about 0.150 and 0.320 inches and a nominal density of between about 0.80 and 1.1 grams per cubic centimeter. The hollow core door may include internal sticks or core inserts positioned within the hollow air cavity between the first and second facings. Acoustically absorptive material may be positioned within the hollow air cavity to reduce resonance effects around 250-315 Hz frequency range. The acoustic hollow core door achieves STC ratings of between about 25 and 31, while maintaining weight reduction compared to solid core doors with comparable acoustic performance.

The application provides a hollow core fiber interconnection optical cable for high-speed data center, relates to the technical field of optical fiber manufacturing, and comprises an outer sheath, an aluminum tape, a core layer and a central reinforcing member which are concentrically arranged from outside to inside, wherein the core layer is distributed in a ring array by at least one hollow core fiber piece and a solid core fiber or is distributed in a ring array by a plurality of hollow core fiber pieces; the application utilizes the anti-resonance cavity composed of an arc-shaped part and a hollow cavity circular part in the hollow core fiber piece to guide light, and the optical signal is transmitted in air, so that the application realizes ultra-low delay and extremely high non-linear threshold, lays a foundation for breaking through the "Shannon limit" and realizing the next-generation Tbps-level high-speed transmission. Moreover, the arc-shaped part with a large diameter and the hollow cavity circular part with a relatively small diameter are designed, when the hollow core fiber piece is extruded along the second direction, the deformation of the arc-shaped part with a large diameter has a small influence on the anti-resonance cavity of the hollow core fiber piece, and when the turning and winding scenes are used, the stability of data transmission can still be ensured.

The utility model relates to the technical field of solid core wallboards, in particular to a modular decoration solid core wallboard which comprises a wallboard body, a splicing mechanism facilitating modular splicing is arranged on the wallboard body, and a supporting mechanism for supporting the wallboard body is installed on the wallboard body. The T-shaped clamping blocks slide into the T-shaped clamping grooves, the locking sliding blocks are extruded to slide into the sliding holes until the T-shaped clamping blocks are embedded, the locking sliding blocks coincide with the fixing holes in position, the locking sliding blocks are clamped into the fixing holes under pushing of the springs, and therefore splicing of the two wallboard bodies is rapidly completed, connection of the T-shaped clamping blocks of the T-shaped structure is more stable, and the splicing effect is better. The situation that the connecting position of the two wallboard bodies is separated is avoided, the inserting rods are inserted into the inserting holes formed in the wallboard bodies, then the abutting rods are rotated, the hinge bases at the bottoms of the abutting rods make contact with the ground, the abutting rods are firmly adsorbed to the ground through the suction cups, and therefore supporting force is provided, the wallboard bodies abut against the wall, and the situation that the wallboard bodies fall off from the wall due to the dead weight is avoided.

The present application relates to the technical field of ink, and discloses a wire drawing effect ink and a preparation method thereof, which comprises the following steps: preparing a molten core phase, wherein the molten core phase comprises a high-molecular-weight wire drawing component, a low-melting-point solid carrier and a latent compatibilizer, and the wire drawing component and a film-forming resin have different polymer properties; preparing an ink matrix phase comprising the film-forming resin, dispersing the molten core phase in the ink matrix phase to form a thermotropic emulsion; and rapidly cooling and solidifying the thermotropic emulsion to form solid core phase microparticles, wherein the wire drawing component and the latent compatibilizer are physically coated in the solid microparticles through rapid cooling and solidification, physical isolation of the wire drawing component is realized in the storage stage, and the rheological stability of the ink is ensured; meanwhile, the latent compatibilizer solves the problem of wire drawing failure caused by incompatibility of the wire drawing component and the matrix resin after high-temperature melting triggering, and ensures stable realization of the wire drawing effect.

Disclosed herein is a sport practice device comprising a solid core ball having a bore formed therein, an elongated tether secured in the bore, a positioning washer configured to position the elongated tether inside the bore, and an adhesive configured to hold the elongated tether inside the bore. The elongated tether has a first end portion and an opposite second end portion, with the first end portion secured inside the bore and the second end portion configured to be attached to an anchoring mechanism. Corresponding systems and methods also are disclosed.