48results about How to "Efficient bonding" patented technology

The present invention provides a flux cored wire which increases bonding strength and is excellent in bonding efficiency in jointing an aluminum-base material with a steel-base material, a method for jointing dissimilar materials and a bonded joint obtained by the method. Specially, the present invention provides the method for jointing dissimilar materials when high-tension steel section and 6000 series aluminum alloy with different strength are executed with welded connection or when steel section is coated with aluminum. In one mode, the flux cored wire which is filled with welding flux in the outer skin of the aluminum product, therefore, the flux is prepared to a fluoride composition containing a certain amount of AlF3 and containing no chloride. The outer aluminum contains 1-13wt% of Si. When the flux cored wire according to the invention is used, a high jointing strength is obtained when high-tension steel section and 6000 series aluminum alloy with different strength are executed with melting welding.

The invention discloses a multiple repeated butt joint method of a spacecraft space, and relates to a micro spacecraft space butt joint method. The multiple-repeated butt joint method of the spacecraft space comprises the following steps of: coating a pressure-sensitive adhesive or gecko glue on the surface of a flexible unfolding device; then storing the flexible unfolding device closely in a spacecraft launching cabin in a folded mode when launching is implemented; opening an airtight device after the flexible unfolding device enters a predetermined orbit, stretching out the folded flexible unfolding device, and meanwhile unfolding slowly; and bonding the flexible unfolding device with a target spacecraft through the pressure-sensitive adhesive or the gecko glue when the flexible unfolding device touches another spacecraft. According to the multiple-repeated butt joint method, the flying speed and butt joint force are buffered by adopting the flexible slow unfolding device; two spacecrafts are bonded and connected integrally by adopting the pressure-sensitive adhesive or the gecko glue when in space orbit; the spacecrafts are separated away conveniently by peeling off from surfaces of the spacecrafts, and the spacecrafts are in butt joint and are separated; and the butting-joint flexibility, reliability and success ratio of the spacecrafts can be improved, and the difficulty of the butt joint mode is lowered.

The invention relates to the technical field of formaldehyde-free adhesive processing, in particular to a biomass formaldehyde-free adhesive based on a cellulose extracting solution as well as a preparation method and an application method thereof. Plant fibers with a natural antibacterial effect are used as main materials, a cellulose aqueous solution is prepared through physical crushing, pretreatment activation, dissolution and acetylation treatment, and compounding is performed through plant protein powder, a cross-linking agent, a curing agent and a tackifying aid. A biomass cellulose adhesive with good initial viscosity, easy gluing, water resistance and excellent natural antibacterial property of the prepared plate can be obtained, the mildewing condition of a glued layer of the glued plate is greatly improved, and the biomass formaldehyde-free adhesive prepared from the cellulose extracting solution has the advantages of wide raw material source, low preparation cost, environment friendliness, and no pollution, natural resources can be fully utilized, the dependence of the wood adhesive on petroleum resources is reduced, high-valued utilization of plant fibers with a natural antibacterial effect can be realized, and the adhesive has important significance for environmental protection.

A bonding apparatus (10) includes a thermal treating unit (20) and a bonding unit (21) that are integrally bonded together. The thermal treating unit includes a first thermal treating plate (40) for supporting and thermally processing a superimposed substrate (WT). The bonding unit includes a second thermal treating plate (90) for supporting and thermally processing the superimposed substrate (WT) processed in thermal treating unit, and a pressing mechanism (80) for pressing the superimposed substrate against the second thermal treating plate. The first thermal treating plate (40) includes a cooling mechanism (44) for cooling the superimposed substrate placed on the first heating plate. Each unit (20, 21) can depressurize the internal atmosphere to a specified degree of vacuum. The thermal treating unit has a plurality of carrying mechanisms (42) for conveying the wafers between the two units.

The specification describes methods, systems, and apparatus, for configuring triggers for the delivery of information to a user and the performance of actions, and providing notifications based on third party data. In an aspect, a method includes receiving data responsive to a selection of an action trigger prompt at a user device, wherein: the action trigger prompt is rendered at the user device with a resource and displayed with the resource in an initial state, and upon selection of the action trigger prompt the user device displays an action trigger menu that facilitates the input of a plurality of parameter values for an event; and the received data specifies a user defined event and an action associated with the user defined event and to be taken in response to the occurrence of the user defined event; and storing the data specifying the user defined event and the action to be take in response to the occurrence of the user defined event in an action trigger data store. The methods, systems and apparatus provide information and perform actions in a technically more efficient manner, which enables hardware and/or software resources to be optimized.

The invention discloses a device for pasting an arrow head, an arrow tail and arrow feathers. The device comprises an installing support, an arrow rod conveying mechanism for horizontal and forward conveying of an arrow rod, an arrow head conveying mechanism for conveying the arrow head to the arrow head end of the arrow rod, an arrow tail conveying mechanism for conveying the arrow tail to the arrow tail end of the arrow rod, an arrow head glue spraying mechanism for spraying glue to the arrow head end of the arrow rod, an arrow tail glue spraying mechanism for spraying glue to the arrow tailend of the arrow rod, an arrow rod overturning mechanism for conveying the arrow rod into an arrow tail orienting mechanism, the arrow tail orienting mechanism for positioning the arrow rod conveyedfrom the arrow rod overturning mechanism, an arrow feather cutting-off mechanism for forming the arrow feathers adhering to the arrow rod, a glue spraying mechanism for coating the cut arrow featherswith glue, and an arrow feather pasting mechanism for pasting the arrow feathers to the arrow rod positioned through the arrow tail orienting mechanism. The device is reasonable in structure arrangement, high in automation degree and capable of improving efficient bonding of the arrow head, the arrow tail, the arrow feathers and the arrow rod and guaranteeing the bonding quality.

A manufacturing technology of PBT used for a loose tube of an optical cable. The invention relates to the technical field of high molecular materials and provides a manufacturing technology of PBT used for a loose tube of an optical cable. The PBT is stable in shape, good in flexibility and high in processing efficiency. The manufacturing technology includes following steps: 1) preliminary treatment; 2) a primary stirring process; 3) a secondary stirring process; and 4) dust removal. According to the invention, a viscosity-increasing process is carried out to a PBT raw material and 5# white oil is added during the primary stirring process. By means of the white oil, flexibility of the material can be enhanced effectively, thereby increasing smoothness of a surface of the loose tube and being beneficial to cabling. A polypropylene nucleating agent is added during the secondary stirring process. By means of the polypropylene nucleating agent, a crystallization speed of the material can be effectively increased, thereby significantly reducing a production time of the material and improving a processing efficiency. The PBT material, after being processed, can satisfy a production requirement and a technical standard of the loose tube.

The invention discloses a ki67 and p16<INK4a> detection kit based on glucan signal amplification. The kit comprises a ki-67 glucan poly-AP labeled antibody, a p16<INK4a> glucan poly-HRP labeled antibody, a DAB color developing solution and an AP color developing solution. According to the kit disclosed by the invention, an enzyme-labeled poly-primary antibody is used for immunodetection; specificconditions for preparing a glucan polyantibody are disclosed; and meanwhile, glucan molecules serve as a supporting framework, the glucan polyantibody is formed by a composite antibody and signal markers, the large number of signal markers are carried so that signal intensity is greatly improved, a use concentration of the antibody is reduced, and non-specific signal interference is avoided. Meanwhile, a macromolecular compound and enzyme are combined at multiple sites so that stable support is provided for natural three-dimensional conformation of the enzyme, stability of the enzyme and the antibody is greatly maintained, and efficient bonding between macromolecules is realized. According to the kit, a use amount of the antibodies is greatly reduced, an operation process and an operationtime are shortened, and the kit has higher color development efficiency and detection sensitivity.

The invention discloses an endoscopic treatment gastric ulcer dressing device. The endoscopic treatment gastric ulcer dressing device comprises an endoscope, a placing umbrella, a body, a protective film and a pulling rope, wherein the placing umbrella is connected with the endoscope, the body is fixed to the bottom of the placing umbrella through a connecting rope and used for storing dressing, the protective film is bonded to the bottom of the body and used for protecting the sealing performance of the body, the top of the pulling rope is connected to the left side of the placing umbrella, the periphery of the protective film is covered with the bottom of the pulling rope, and the pulling rope is fixedly connected with the right side of the protective film; seepage absorption bins for placing hemostasis damask silk are formed in the left side and the right side of the interior of the body, and a medicine release bin for adding medicine is arranged in the body and in the middle of theseepage absorption bins; the bottom of the body and the outer sides of bin openings of the seepage absorption bins are provided with adhesive films used for being attached to normal digestive walls on the periphery of ulcer; and the placing umbrella is made of rubber materials, and an iron wire used for adjusting the angle of the body is arranged in an umbrella handle of the placing umbrella.

The invention provides a bonding device and a bonding method. The bonding device comprises a supply motion platform, a transmission system, a bonding motion platform and an alignment measurement system. The functions of handover, transmission and measurement of a first chip are continuously achieved by adopting the supply motion platform, the transmission system, the bonding motion platform and the alignment measurement system, the circulation time of a single chip is reduced, the bonding of the first chip and a corresponding second chip on the substrate can be effectively completed, and the yield is improved. Further, the size of the bonding device is compact, the structure is simpler, the alignment measurement system is arranged on the frame and the bonding motion platform, and electrical wiring is more convenient; and moreover, by adopting the bonding method, the position of the alignment measurement system is pre-calibrated in advance, and the bonding of the first chip on the supply motion platform and the corresponding second chip on the bonding motion platform is achieved.

The invention discloses an environment-friendly heat preservation and shock absorption anti-crack ground system and a construction method thereof. The ground system comprises a pressing type steel plate, a modified polyphenyl granule lightweight aggregate concrete layer, a glass fiber mesh cloth layer, a non-shrinkage type mortar transition layer and a surface layer which are paved in sequence from bottom to top. The introduction of the modified polyphenyl granule lightweight aggregate concrete layer in the ground system not only reduces the deadweight of a building, but also has excellent effects of heat preservation and shock absorption; the super-high strength non-shrinkage type transition mortar layer is introduced into the ground system, and because of the excellent flow leveling performance and super early strength performance of super-high strength non-shrinkage type transition mortar, the construction is enabled to be convenient and fast; and the early strength and high strength performance of the super-high strength non-shrinkage type transition mortar can have a protective effect on the modified polyphenyl granule lightweight aggregate concrete layer, and is beneficial tothe quick construction of the surface layer. The environmental-friendly heat preservation, shock absorption and anti-crack ground system has universality and can realize different functions by selecting different surface layers.

The invention discloses a carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and a preparation method thereof. The adhesive is obtained by well mixing a component A and a component B. The component A is prepared from fluorinated epoxy resin, hydroxymethyl bisphenol A type epoxy resin, bisphenol S type epoxy resin, diglycidyl aniline, trimethylolpropane triglycidyl ether, a toughening agent, water-absorbent resin, a defoaming agent, a dispersing agent, active silica powder, carbon nanotubes, cement and fumed silica. The component B is prepared from aliphatic amide polyamine, isophorone diamine, a curing agent, DMP-30, a coupling agent, a defoaming agent, a dispersing agent, active silica powder, carbon nanotubes, cement and fumed silica. The adhesive prepared by the invention has the advantages of high water interface bonding strength, high colloid mechanical strength, good toughness, strong impact resistance and fatigue resistance, good construction performance and the like, and the bonding effect and durability of the carbon fiber cloth adhesive in water environment reinforcement engineering can be remarkably improved.

The invention provides a PVC decorative film and a preparation method thereof. The preparation method includes: step S1, using a first anilox roller of 100-300 mesh to roll-coat a bridging agent on the PVC fabric to obtain a primer film; step S2, using a second anilox roller of 100-300 mesh to coat the primer film Water-based PU slurry is applied to the upper roller to obtain a PVC decorative film. The preparation method improves the adhesion between the water-based PU slurry layer and the PVC fabric layer, and also improves the coating uniformity and surface compactness of the water-based PU slurry layer, thereby improving the wear resistance and durability of the prepared PVC decorative film. Scratchability, surface smoothness and smoothness, and make the prepared PVC decorative film have a satin-like skin texture, thus meeting the market demand for high-end home decoration film materials.

The invention belongs to the technical field of structural engineering and water conservancy and hydroelectricity engineering, and provides a computing method for reinforcing an old concrete gravity dam with cracks through FRP sheets. According to the method, the computing method of maximum shear stress tau needed by generation of the cracks of the old concrete gravity dam is given on the situation that the condition of slippage between the FRP sheets and a concrete interface of a dam body and the condition without slippage between the FRP sheets and the concrete interface of the dam body are taken into consideration, a model for bonding and slippage between the FRP sheets and concrete of the dam body is built, and a mathematical expression for the relation between the maximum shear stress t needed by crack generation and maximum resistance of the reinforced concrete dam body is obtained through calculation. The method for reinforcing the old concrete gravity dam with the cracks through the FRP sheets provides the specific implementation steps for the design of reinforcement of the old concrete gravity dam body with the cracks through the FRP sheets, and can be used for calculation and analysis of the operation that the cracks of the old concrete gravity dam are repaired through the FRP sheets.

The invention discloses a high-barrier PE coating membrane for liquid food packaging and a preparation method thereof. The high-barrier PE coating membrane comprises a modified PE thin film, the surface of the outer side of the modified PE thin film is coated with modified EVOH latex, and the surface of the inner side of the modified PE thin film is coated with modified MXD6 latex; the modified PEthin film comprises the following raw materials including a PE thin film body, acetone, ultrapure water, absolute ethanol, methyl methacrylate and a polyethyleneimine solution; the modified EVOH latex comprises the following raw materials including vinyl acetate, ethylene monomers, tert-butanol, methanol, sodium hydroxide, acetone, ultrapure water, benzoyl peroxide, 6-t-butyl m-cresol, polyoxyethylene laurate, zinc sulfate, trimethylolpropane and diethylene glycol dibenzoate; the modified MXD6 latex comprises the following raw materials including adipic acid, m-xylylenediamine, ultrapure water, disodium hydrogen phosphate and polyethylene alcohol. The technical problems that the modified PE thin film has high oxygen permeability and the blocking performance is lower along with increase ofhumidity are solved.