81results about How to "Curved big" patented technology

Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve to limit absorption of nutrients in the duodenum. The anchor can include a stent and / or a wave anchor and is collapsible for catheter-based delivery and removal.

A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve. The anchor can include a stent and / or a wave anchor and is collapsible for catheter-based delivery and removal.

Ball bats and methods of making the same are disclosed whereby the handle and barrel members are separate structural components, and whereby the handle member is of sufficient length to extend through the hollow barrel member. The handle member is connected to the barrel member at its proximal and distal ends by proximal and distal connectors. The connection between the handle member at the proximal end of the barrel member is by means of an elastomeric proximal connector. The connection between the handle member and the distal end of the barrel member is accomplished by means of a rigid distal connector. The rigid connection of the handle member's distal end to the distal end of the barrel member and the elastomeric (flexible) connection between the handle member and the proximal end of the barrel thereby allows the handle member to flex substantially across its entire length during ball impact thereby improving ball speed and distance off the bat when struck.

Method for treating a Roux-en-Y patient having fistulas and leaks as a result of bariatric surgery. A gastrointestinal implant device is anchored in the esophagus and extends through a stomach pouch into an intestine anastomosed to the stomach pouch to prevent fistulas and other damaged tissue from making contact with food and fluids entering the esophagus. The gastrointestinal implant device includes an unsupported flexible sleeve and an anchor coupled to a proximal portion of the sleeve. The flexible sleeve is open at both ends, and adapted to extend below a jejunum. The anchor is adapted to be retained within the esophagus, preferably just above the gastroesophageal (GE) Junction. The anchor can include a stent such as a wave anchor and is collapsible for catheter-based delivery and removal.

The invention provides a clamp used for installing parts and the installation structure of the parts. The clamp (3) comprises a pair of lateral walls (3e), with the front end parts (3g) of the lateral walls being mutually connected; an inner space (3b) which is between the paired lateral walls; and an opening (3c) which is communicated with the inner space at the base end part (3d). An elastic blocking part (3a) blocked in an installing hole and a step part (3f) maintained on an auxiliary handrail are respectively arranged on the paired lateral walls. One end (3s) of the elastic blocking part is connected with the lateral wall, while the other end (3q) is a free end. The elastic blocking part is provided with a bending part (3t) which is provided with a dent (3k) that sags laterally towards the inner space relative to the end part and is blocked with the installing hole; and a sally (3m) that protrudes laterally relative to the dent (3k). The elastic blocking part is at least divided into a plurality of dividing pieces from the end part to the dent. By utilizing the structure, the clamp can be prevented from being pulled out from the installing hole.

The invention discloses a radial flow-type fixed bed residual oil hydrotreating reactor. The reactor of the present invention mainly comprises members of a housing, a central shaft oil inlet pipe, and a bottom hydrogen distribution disc; in a residual oil hydrogenation reaction process, raw oil mainly flows in a reaction diameter direction in a catalyst bed layer, and reaction supplemented hydrogen flows from bottom to top. The residual oil hydrogenation device of the invention has good operation flexibility, can realize synchronous inactivation of various catalysts, effectively prolongs the running period of the device, and makes full use of the active resources of residual oil hydrogenation catalysts.

The invention provides an electrofusion joint made of a thermoplastic resin for connection with a resin pipe by heat generation of heating wires embedded in its saddle portion through electric conduction, such as a saddle joint comprising a saddle portion to be fitted to an outer circumferential surface of a resin pipe provided with heating wires embedded in its surface to be joined to the resin pipe, also comprising a spigot projecting from the saddle portion and to which a branch pipe is to be connected, or a service tee joint comprising a saddle portion in which heating wires are embedded, a trunk portion projecting from the saddle portion and a spigot projecting in a lateral direction from the trunk portion. A recess is formed in a part on the collar portion side along the base of the spigot of the saddle joint or trunk portion of the service tee joint, to increase the length from the recess to the collar portion where a latch of a clamping device is engaged, so that the collar portion becomes sufficiently flexible to achieve closer contact with the pipe and to prevent defective fusion welding, even though wall thickness or rigidity of the saddle portion is large.

The invention discloses a composition and a preparation method for high-elasticity wear-resistant foaming materials, wherein the composition comprises, by mass, 20-65 parts of a polyether type polyurethane rubber, 20-65 parts of an ethylene-vinyl acetate copolymer, 7-18 parts of a polyolefin thermoplastic elastomer, 3-8 parts of a polybutadiene rubber, 5-15 parts of ethylene propylene diene monomer, 5-10 parts of a reinforcing agent, 0.3-1 part of a coupling agent, 1.0-2.0 parts of zinc oxide, 0.5-1.0 part of stearic acid, 0.8-1.5 parts of zinc stearate, 0.5-1.5 parts of a cross-linking aid, 1.0-2.5 parts of a vulcanizing agent, and 1.5-3.5 parts of a foaming agent. The preparation method mainly comprises: two mixing, granulation, and foaming. According to the present invention, by adopting the technical scheme, the obtained foaming material product has advantages of small density, softness, wear resistance, excellent anti-cussion performance, good elasticity, compression resistance, small compression deformation and folding deformation resistance.

An object, such as a soccer ball or a handball, is provided with perforated, interior panels disposed between an interior inflatable bladder and an outer covering which is stitched together from a plurality of individual panels. The stitching process produces raised portions surrounding the interior sides of the outer covering. These raised portions define recesses into which the perforated interior panels are disposed. The recess-filling panels overlie the ridges which are hard and whose hardness is counteracted by these preferably perforated panels. This provides a smooth surface against which the inflatable bladder rests. Additional flexure is also provided by perforating one or more of the layers in the outer covering. With particular reference to handball manufacture the interior panels comprise two layers, the outer one of which contains recesses containing shock absorbing gel type material.

Disclosed are a horizontal axis windmill and a manufacturing method for the vane of the wind turbines. The windmill comprises a tower and a wind wheel hub which is provided with vanes, wherein the vanes have structures for designing bending and torsional deforms in advance and structures for designing the prestress at the root of the vane in advance. The method is that the connection line of each section center of the vane is bent or inclined forward from the root to the top, so the vane can keep at straight status from root to top when the windmill is in running; the torsional angle of the aerofoil profile on each section of the vane is designed along the radial direction, the torsional deformation of the vane can be obtained according to the pneumatic load distribution of the vane, and the reverse torsional deform angle of the aerofoil profile on each section is designed in advance to make the torsional angle when the vane is running consistent to the designed geometry torsional angle of the vane; and the root of the vane has stress. When the vanes of the windmill are working, the vanes are basically at radial direction, the inflow flush angle and designed working condition of all the sections are basically consistent, the high efficiency use of wind energy is realized, the root stress of the vane is reduced, and the safety of the vane is improved.

The invention relates to ABS resin with high dimensional stability and a preparation method thereof. The ABS resin is prepared from the following components in parts by weight: 40 to 60 parts of ABS resin, 10 to 18 parts of ABS high rubber powder, 25 to 45 parts of highly branched styrene-acrylonitrile copolymer, 0 to 2 parts of a heat-resisting agent, 10 to 20 parts of a toughening agent and 0.5to 5 parts of an auxiliary agent. Compared with the prior art, the ABS resin with a high precision shrinkage rate is obtained by controlling the content of the high rubber powder ABS and introducing the highly branched SAN and the toughening agent, so that the ABS can be used in structural parts with high requirements on the shrinkage rate, such as automobiles, household appliances and the like, and has a wide market application prospect.

Method, brace (55), and system for measuring a degree of torsion or bending of a part of a human or animal body. The method comprises the steps of attaching a sensor (56) to a part of the human or animal body, obtaining calibration data of the sensor by detecting the output signal of the sensor for a well defined degree of torsion or bending of said part of the human or animal body, storing the calibration data, measuring an output signal of the sensor during torsion or bending of said part of the human or animal body, and a final step of relating said output signal of the sensor to a degree of torsion or bending by using the calibration data. The method, brace and system are characterised in that the sensor comprises an electrically conductive loop (51), the area of said loop at least partially covering said part of the human or animal body, for instance a knee, and that the sensor further comprises an output unit (57) for providing an output signal that is a measure for the inductance of the loop.

Provided is a thin-film solar cell (1) that has, on a substrate, a plurality of unit solar cells (3) that are partitioned by scribe lines (2) and that contain: first electrode layers comprising a transparent conductive material; photoelectric conversion layers; and second electrode layers containing a conductive material that reflects light. The second electrode layer between scribe lines (2) formed in the photoelectric conversion layer is electrically connected to the first electrode layer of an adjacent unit solar cell, thus electrically connecting the plurality of unit solar cells (3) in series. For at least one of the unit solar cells (3), the scribe lines (2) on both sides are formed such that the unit solar cell (3) sandwiched therebetween zig-zags in a prescribed direction with constant width, and both scribe lines have the same shape, which would overlap if moved in parallel in the prescribed direction.

The invention discloses a piezoelectric wind energy collecting device applied in a high-voltage grid, and belongs to the technical field of the wind energy collection. A substrate is provided with a main shaft and a gate-type connector. An outer circle of a bearing and a through hole edge of a turntable center are fixed through the interference fit, and an inner circle is in the interference fit with the upper part of the main shaft. Three tile-shaped blades are uniformly distributed on the upper surface of a plate face perpendicular to the turntable. The top of an L-shaped bracket is fixed with the edge lower surface of the plate face perpendicular to the turntable. Three L-shaped brackets are uniformly distributed in 120 degrees. The right-angle inner side of the L-shaped brackets is provided with a first magnet. The middle of the main shaft is provided with an annular connector. One end of a cylindrical polish rod is circumferentially and radially fixed with the annular connector, and the other end is fixed with the horizontal ends of the L-shaped brackets through a limiting block. A slider of which the upper part is provided with a second magnet is in the clearance fit with thecylindrical polish rod. One end of a spring is connected with the annular connector, and the other end is connected with the slider. The spring is coaxially installed with the polish rod. One end ofa flexible piezoelectric material is fixed with the annular connector, and the other end is fixed with the inner side of the slider.

An object, such as a soccer ball, is provided with perforated, interior panels disposed between an interior inflatable bladder and an outer covering which is stitched together from a plurality of individual panels. The stitching process produces raised portions surrounding the interior sides of the outer covering. These raised portions define recesses into which the perforated interior panels are disposed. The recess-filling panels overlie the ridges which are hard and whose hardness is counteracted by these preferably perforated panels. This provides a smooth surface against which the inflatable bladder rests. Additional flexure is also provided by perforating one or more of the layers in the outer covering.

The invention discloses an ageing-resistant ethylene-propylene-diene monomer rubber (EPDM) / POE waterproof roll which is characterized by being prepared from the following raw materials in parts by weight: EPDM, butadiene styrene rubber, POE, 1,3-di(tert-butylperoxyisopropyl)benzene, triallyl isocyanurate, stearic acid, 2-mercapto benzimidazole, lanthanum oxide, di-2-ethylhexylsulfosuccinate, absolute ethyl alcohol, polyvinyl alcohol, zinc oxide, argil, nano-silica, vinyltris(beta-methoxyethoxy)silane, ethylene bis stearamide, sodium phosphate, 2,2'-dithio-dibenzo thiazole and deionized water. According to the waterproof roll disclosed by the invention, EPDM serves as a matrix, and a proper amount of POE and butadiene styrene rubber are added, so that the wear resistance of rubber materials is greatly enhanced, and the ageing resistance and oxidization resistance of the waterproof roll disclosed by the invention are improved.

The invention discloses a preparation method of an ultraviolet detector based on a ZnO micro-wire array embedded in a flexible substrate. The method comprises the following steps: preparing ZnO micro-wires from zinc powder evenly placed on a quartz boat and a quartz tube as raw materials with a chemical vapor deposition method; then, transferring the prepared ZnO micro-wires to a cleaned glass substrate, arranging the micro-wires orderly, adding dropwise PVAL glue to cover surfaces of the ZnO micro-wires, and removing the ZnO micro-wires and a PVAL substrate from the glass substrate after theglue is solidified to complete embedding of an ZnO micro-wire array into the flexible substrate; next, depositing gold interdigital electrodes on the surface of the ZnO micro-wire array to complete preparation of the ultraviolet detector based on the ZnO micro-wire array. According to the method, the PVAL flexible substrate is used, and the ZnO micro-wire array can be protected to the greatest extent and forms the best contact with the electrodes, so that the detector is highly integrated.

The invention relates to a polyolefin thermoplastic elastomer and a processing method thereof. 100 parts by weight of the polyolefin thermoplastic elastomer comprise, by weight, 10-50 parts of high density polyethylene, 50-90 parts of highly branched polyethylene and 0.1-1 part of an antioxidant, wherein the branching degree of the highly branched polyethylene is 70-130 branched chains / 1000 carbons, the weight-average molecular weight is 66,000-436,000, and the Mooney viscosity ML (1+4) at 125 DEG C is 6-93. EPDM, POE and OBC and other elastomers are replaced with the highly branched polyethylene, so the production cost of the polyolefin thermoplastic elastomer is greatly reduced, and the method is suitable for large-scale industrial production.

The invention discloses an auxiliary tool for conducting general anesthesia. The auxiliary tool comprises a bottom plate, wherein the top of the bottom plate is provided with multiple transparent holes, the two sides of the bottom plate are fixedly connected with a first connecting belt, a second connecting belt, a third connecting belt and a fourth connecting belt through a connecting frame respectively, the left side of the first connecting belt is fixedly connected with a first connecting box, the left side of the second connecting belt is fixedly connected with a second connecting box, andthe right side of the third connecting belt is fixedly connected with a third connecting box. The auxiliary tool for conducting the general anesthesia has the advantages that the adjustment of the tension of the mask during fixation is facilitated to prevent a larger gap from existing between the mask and a patient, and the medical gas affects the anesthetic effect of the patient through gap loss, thereby improving the efficiency of the anesthesia, and avoiding the resource waste; the auxiliary tool is adopted to replace a traditional manual handheld mask to perform comprehensive anesthesia on the patient, which saves the workload of an anesthetist, reduces the working strength and ensures the good working state of the anesthetist, thereby improving the stability and safety of the anesthesia, the structure is simple, and the use is convenient.

The invention provides a foldable ethylene propylene diene rubber / POE (polyolefin elastomer) waterproof coiled material, which is characterized by being prepared from the following raw materials in parts by weight: ethylene propylene diene rubber, hydrogenated rosin resin, POE, 1,3-bi(tertiary butyl peroxide diisopropyl) benzene, triallyl isocyanurate, stearic acid, 2-mercapto benzimidazole, lanthanum oxide, chlorinated paraffin, ammonium bicarbonate, zinc oxide, sodium metasilicate, 2-amino-2-methyl-1-propyl alcohol, epoxidized soybean oil, sodium selenite, polyethylene terephathalate, azodicarbonamide, aluminium oxide, hexamethyl disilazane, ethyl ester, diethyl tertiary butanol, trihydrolxy triethylamine 2,2'-disulfbenzothiazole and deionized water. The waterproof coiled material can be folded at any angles, so that the number of splicing parts can be greatly reduced; the water seeping probability can be effectively reduced; meanwhile, the heat insulation and energy saving effects can be achieved; the construction is simple and convenient.

The invention relates to a high-impact polyvinyl chloride and a processing method thereof. The high-impact polyvinyl chloride comprises, by weight, 100 parts of PVC resin, 5-25 parts of highly branched polyethylene, 2-15 parts of a compatibilizer, 0.5-8 parts of a stabilizer and 0.5-5 parts of a lubricant, wherein the PVC resin is PVC resin with the polymerization degree of 1400-1600, the branching degree of the highly branched polyethylene is 70-130 branched chains / 1000 carbons, the weight-average molecular weight is 66,000-436,000, and the Mooney viscosity ML (1+4) at 125 DEG C is 6-93. Thehigh-impact polyvinyl chloride adopting the highly branched polyethylene as an impact modifier greatly reduce the production cost of the high-impact polyvinyl chloride, and is suitable for large-scaleindustrial production.

The invention discloses an endoscope transmission mechanism and an endoscope with the transmission mechanism. The transmission mechanism comprises a driving device, a shell, an active gear, an upper shell traction rack, a push rod, a lower shell traction rack, driven gears, chain wheels, chains and steel wires; two pairs of racks drive two pairs of driven gears at the lower shell of the endoscope, a chain wheel is attached on the driven gears, chains are arranged on the chain wheel, two ends of the chain are connected with the steel wires respectively, when the racks are driven by the push rod, the racks drive the gears to rotate, the rotation of the gears drives chains to make coaxial synchronous rotation, the connection of the steel wires and chains is fixed using steel wire clamping buckles, welding is not needed, the heavy acid mist vapor pollution and the personal injury to an operator caused by rinsing with concentrated acid when welding the steel wires is avoided, and the adjustment and maintenance at a later stage are also facilitated.

Bending moment applied to a beam causes out-of-plane deformation to a panel when the panel zone is hollow, and thereby a load bearing by a web cannot be expected in an elastic region.  Since the section modulus of a beam end is limited to the section modulus of only the flange not including the web, the beam end has a low strength.  Therefore, a beam larger in size which bears bending moment on the entire section of the beam must be used and an extra beam depth is required, thus causing an increase in the weight of a steel beam. As the result of various studies, it has been found that various problems could be resolved by increasing the plate thickness of a diaphragm, applying a backing plate to the top surface or the bottom surface of a beam flange, increasing the strength of the material of the beam flange, increasing the thickness of the diaphragm or the backing plate, notching a web, or hot working the bottom surface of the beam to impart prestress thereto.

The invention discloses a substrate. The substrate comprises a flexible substrate, an array function layer arranged above the flexible substrate and a back plate arranged on the side, away from the array function layer, of the flexible substrate. At least one groove is formed in one side, far away from the flexible substrate, of the back plate; according to the embodiment of the invention, the back plate is arranged at one side, far away from the array function layer, of the flexible substrate; the back plate is used for protecting the flexible substrate, at least one groove is formed in the side, away from the flexible substrate, of the back plate and can be used for releasing stress generated in the bending process of the substrate, and therefore, the substrate can be bent with larger curvature, and the curvature radius of the substrate is effectively reduced.

Bending moment applied to a beam causes out-of-plane deformation to a panel when the panel zone is hollow, and thereby a load bearing by a web cannot be expected in an elastic region. Since the section modulus of a beam end is limited to the section modulus of only the flange not including the web, the beam end has a low strength. Therefore, a beam larger in size which bears bending moment on the entire section of the beam must be used and an extra beam depth is required, thus causing an increase in the weight of a steel beam. As the result of various studies, it has been found that various problems could be resolved by increasing the plate thickness of a diaphragm, applying a backing plate to the top surface or the bottom surface of a beam flange, increasing the strength of the material of the beam flange, increasing the thickness of the diaphragm or the backing plate, notching a web, or hot working the bottom surface of the beam to impart prestress thereto.

The cell culture bag comprises a supporting plate, a suction cup is connected to one side of the supporting plate, a first through hole is formed in the upper portion of the supporting plate, a supporting rod is connected to one side of the supporting plate, an injection body is connected to one end of the supporting rod, a clamping mechanism is connected to the upper end of the injection body, and a rotating mechanism is fixedly connected to the interior of the injection body. The lower end face of the rotating mechanism is connected with a pushing mechanism. The lower end face of the injection body is connected with a cell culture bag, the suction cup on the supporting plate is firstly selected to be adsorbed on a wall body or hung on a hook through the first through hole, the two fixing modes can also be used at the same time, and after the suction cup and the first through hole are fixed, the cell culture bag needs to be placed in the supporting groove in advance, and the cell culture bag is prevented from falling off.