32results about How to "Overcome warping" patented technology

A generally planar, structural insulated panel for building construction includes a pair of outer facings disposed on opposed surfaces of a plastic foam core. Both of the outer facings are gypsum cellulose fiber board such as gypsum wood fiber board. Disposed on the exterior surface of the gypsum wood fiber board on the exterior surface and between another expanded polystyrene insulation panel is a weather resistant barrier that is fastened to the gypsum wood fiber board. The exterior surface of the second insulation panel is fastened to the gypsum wood fiber board by mechanical fasteners. The insulation panels are then coated with a basecoat which has an embedded mesh reinforcement and then a finishing coat is applied to the base coating. Vinyl or aluminum metal siding can be fastened to the structural assembly by G screw fasteners or other mechanical fasteners.

The invention provides a method for manufacturing reconstituted wood. Rotary cut is carried out on the raw wood for preparing a veneer or a veneer strip, defibering is carried out on the veneer, the forming points and/or wood bunch shades or wood bunches of striation crack are formed along the natural texture of wood on the veneer, then dipping, drying and hot pressing for molding the reconstituted wood are carried out. Compared with the prior art, the method of the invention solves the problem that wood bunch is irregular; the rate of utilizing wood and production efficiency of wood bunch are improved; defibering process is simplified and energy consumption for defibering is lowered. The process facilitates the cracks on the wood bunch shades and wood bunches to be very even and facilitates the dipping of wood bunch shades or wood bunches to be very even in the following dipping process; the product problems such as warp, deformation, jump fibre, and the like, are overcome, which are aroused by uneven defibering in making wood bunches from raw wood directly in the prior art, and the boards that the surface is very smooth, the mechanical performances such as stiffness and intensity, and the like, are higher than the raw material itself are made, therefore the fast-growing forest wood with worse performances and wider source can be made into the products of reconstituted wood which can compare beauty with noble hardwood.

The invention discloses an integral dynamic rail weighbridge, comprising a weighing body and a weighing bottom framework, wherein bottom ends of the weighing body are provided with a sensor respectively; the top surface of the weighing body is provided with two bearing rails which are arranged in parallel; joints between the bearing rail and a left approach rail and between the bearing rail and aright approach rail are connected with a transition device respectively; the top surfaces of the transition devices are consistent with those of the bearing rails, the left approach rail and the right approach rail; and one end of each transition device is arranged on one base of the approach rails, and the other end of each transition device extends to the weighing body. The integral structure is strong in matching performance, the sensors are used for detecting the weight, data channels and other advanced equipment are used for realizing transmission, treatment and other operations of data,electronic degree is high and operations are quick; the weighing bottom framework of the integral structure is configured and is integrally combined with a pit, the integral structure is simple and the bearing intensity is enough; a horizontal limited rod, a universal joint and other components in the weighing bottom framework performs self-limitation on four directions and eight positions of theweighing body directly, thus the integral design is reasonable; and the transition devices are configured, thus force points of wheels close to the inside of a weighing platform, thereby ensuring smooth transition and steady running.

An embodiment of the invention discloses a coreless substrate processing method which comprises the following steps: carrying out processing to form a first board set on one surface of a support layer; removing the support layer; and arranging the first board set between a third board set and a second board set. The technical scheme provided in the embodiment of the invention helps to improve production efficiency and qualified rate of the products.

The invention discloses a filler special for glue mixing of a plywood, comprising the following components: a clay mineral, sawdust, a silane coupling agent, an organic acid, alcohol and a viscosity regulator; a preparation process of the filler comprises the steps of: firstly, respectively grinding the clay mineral and the sawdust into powder and proportionally mixing the clay mineral and the sawdust in a mixer to form mixed powder; secondly, proportionally placing the silane coupling agent, the organic acid and the alcohol in a container and stirring by a stirrer to form mixed liquor; thirdly, slowly pouring the mixed liquor prepared in the last step into the mixed powder, starting the mixer at the same time and then warming to carry out full reaction between the mixed liquor and the mixed powder; and fourthly, adding the viscosity regulator in the reacted mixed powder and stirring well. The filler for glue mixing of plywood has the characteristics of low cost, strong viscosity and good economic benefit.

A core-less board manufacturing component comprises a supporting carrier and core-less boards arranged on the two sides of the supporting carrier. The core-less boards comprise inner prepregs, outer prepregs, inner copper foil layers and outer copper foil layers. The inner prepregs are arranged on the two sides of the inner copper foil layers. The outer prepregs are arranged on the outermost inner copper foil layers, and the outer coil foil layers are arranged on the outer prepregs. Gaps are formed in frames of the inner copper foil layers. According to the core-less board manufacturing component, the core-less board and a manufacturing method for the core-less board, the supporting carrier is arranged ingeniously, the warping problem of the core-less boards can be overcome effectively, and the yield of the core-less boards is improved.

The invention relates to a manufacturing method for a stacked chip encapsulation structure, which comprises the following steps: firstly, a substrate, a first chip and a second chip are provided; wherein, one surface of the second chip is equipped with a plurality of projections; secondly, the second chip is fixed on one side of the first chip; thirdly, the second chip and the first chip are inversely arranged on the substrate; chip inversion joint technology is used for electrically connecting the second chip with the substrate through the projections; fourthly, the first chip is electrically connected with the substrate; finally, an encapsulation colloid is formed on the substrate for coating the first chip, the second chip and the projections.

A pallet includes a number of runners which may be sandwiched between upper and lower face sheets of corrugated paperboard. Each runner is comprised of multiple layers of corrugated paperboard with the flutes of the corrugations oriented vertically to provide compression strength to the runners and the associated pallet. Each runner also may include at least one reinforcing insert most preferably of hardboard to provide beam strength to the runner and a band to avoid failure without a prior indication. Moreover, the system and method for manufacturing the runners with reinforcing inserts overcomes problems of delaminating and separation of the adhesively bonded layers of the runner.

The invention provides a printing device. The printing device comprises a printer, a transmission mechanism and a page turning mechanism, wherein the printer comprises an inlet and an outlet for books or certificates to enter and export respectively; the transmission mechanism is configured to freely move in multiple directions in a controlled mode so as to transmit the books or the certificates to the inlet or take the books or the certificates out of the outlet; the page turning mechanism is configured to turn pages of the books or the certificates; and the transmission mechanism is further configured to transmit the books or the certificates from the outlet to the page turning mechanism and transmit the books or the certificates from the page turning mechanism to the inlet. The printing device has full-automatic page turning and printing functions aiming at the books or the certificates.

The invention discloses a PP film and solid wood board coating technology. The PP film and solid wood board coating technology comprises the following steps that solid wood unit boards are prepared; moisture content is controlled; the moisture content of the prepared solid wood unit boards is controlled; an adhesive is applied to the solid wood unit boards, wherein the surfaces and peripheries ofthe solid wood unit boards are coated with the adhesive; PP film is prepared; the solid wood unit boards are coated with the with the PP film, wherein the solid wood unit boards coated with the adhesive are coated with the PP film, and sealing treatment is performed; assembly is performed, wherein the solid wood unit boards coated with the PP film are flatly laid between the two solid wood unit boards for assembly, one solid wood unit board coated with the PP film is laid between every two solid wood unit boards, the assembly layer number is N, and the number of the solid wood unit boards coated with the PP film is N-1; hot-pressing is performed, wherein hot-pressing is executed after assembly is completed; cold-pressing is performed, wherein boards are transferred into a cold-pressing machine within 2-3 minutes for cold-pressing after hot-pressing is completed. The PP film and solid wood board coating technology is somewhat improved based on solid wood boards, overcomes the shortcomings of possible arching, warping or deformation of the solid wood boards and has better stability.

The present invention provides a backlight module, which includes: a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane to correspond to the backlight source, a reflector plate disposed on a bottom of the light guide plate, an optic film disposed on a top of the light guide plate, and elastic members mounted to the backplane. The optic film has a top edge forming suspension sections and two first sidewalls respectively at left and right sides and each forming lugs. The suspension sections form first through holes. The lugs form second through holes. The backplane forms suspending pegs corresponding to the first through holes. The first through holes are mounted on the suspending pegs and the elastic members securely hold the second through holes and are mounted to the backplane so as to fix the optic films on the light guide plate.

The invention relates to building paint applied to interior walls, in particular to jade enamel paint. The jade enamel paint comprises water, hydroxyethyl cellulose, dispersing agent, glycol, light calcium carbonate, sodium bentonite, ground calcium carbonate, talcum powder, wollastonite, silicone-acrylate emulsion, coalescing agent, hydroxypropyl methyl cellulose, pH value regulating agent, defoamer and thickener. The jade enamel paint has the advantages of high breathability, water resistance, scrubbing resistance, high adhesion strength, non-existence of powdering, peeling and bulging, relative flame resistance effect, simplicity and convenience in construction, optional matching of various patterns, variety in texture selection and the like.

The invention discloses a preparation method of a NiFeBMo-based opening and closing locker multilayer composite structure material. The NiFeBMo-based opening and closing locker multilayer composite structure material is prepared from NiFeBMo matrix alloy, an anti-wear agent, a heat conduction agent, a reinforcing agent and a curing agent as raw materials through the steps of structural design andcomponent calculation of all layers, matching preparation, vibration mixing, dry hot-press molding, curing heat treatment, overlaying sintering and machining of all layers. The NiFeBMo-based opening and closing locker multilayer composite structure material has the advantages that all layers are different in component and thickness, and the component difference is large; the material shows the gradient distribution trend, the relative use amount of the material is reduced, and the friction and wear performance of the material is remarkably enhanced. Meanwhile, the preparation method is simple,the preparation technology is easy to control, efficiency is high, technological parameters are stable, operation is easy to control, all layers of structures of a prepared opening and closing lockercan be freely divided and repaired, the mechanical performance is stable, and the service life is long.

The invention discloses a method for stabilizing a PI substrate to prevent warping and a manufacturing method of a display panel. The method for stabilizing the PI substrate to prevent warping comprises the steps of forming an amphiphilic material layer on the substrate; forming a PI layer on the amphiphilic material layer, wherein the amphiphilic material layer is at least located below the edgepart of the PI layer, and the curing temperature of the PI layer is higher than the critical dissolution temperature of the amphiphilic material layer. According to the scheme, due to the fact that the amphiphilic material layer is formed between the substrate and the PI layer, when the PI layer is heated to be solidified, and along with the temperature rise, the temperature is higher than the critical dissolution temperature of the amphiphilic material layer, an amphiphilic material in the amphiphilic material layer is lyophobic, so that the edge of the PI layer is contracted on the lyophobicamphiphilic material layer; a certain slip amount can be generated between the contracted part of the PI layer and the substrate, so that the problem that the contracted part of the PI layer pulls the substrate to be warped due to the existence of an adhesion force of the bonding strength between the PI layer and the substrate is solved; and under the condition that the substrate is not warped, the manufacturing precision of subsequent process devices can be ensured, and the damage to film forming equipment is avoided.

The invention belongs to the technical field of adhesives, and in particular relates to a furniture edge sealant. The furniture edge sealant comprises the following raw materials in percentage by weight: 30 to 60 percent of wood glue powder, 15 to 40 percent of white latex and 10 to 40 percent of marine glue, wherein the wood glue powder is lignocelluloses; the marine glue is polymer cement-base marine glue; and the white latex is polyvinyl acetate white latex. The furniture edge sealant has high bonding strength, ageing resistance, certain flexibility and service life of 30 years, and can overcome the defects of warping and falling off of furniture edge bands due to wet expansion and dry shrinkage.

The invention relates to the field of ring piece machining equipment, in particular to a horizontal rolling process and forming device for a special-shaped ring piece. The horizontal rolling process comprises the following steps that a blank is heated to the forging temperature and subjected to punch forming; a formed ring piece blank is moved to a working platform to be fixed; two opposite grinding wheels and two opposite pressing wheels are used for rolling an obtained workpiece blank; and flashes and burrs are removed. The forming device comprises the grinding wheels pressed on the side edge of a ring piece to be formed, the pressing wheels pressed on the side edge of the other side of the ring piece to be formed and arranged opposite to the grinding wheels, an operation platform used for placing the ring piece to be formed and driving the ring piece to rotate, and a support arranged on the operation platform and rotationally connected with the grinding wheels. By means of the design scheme that the edge of the pressing wheel is rolled by the rolling wheel to be warped consistently, the edge warping problem of the ring piece is effectively solved, and the quality of a finally-formed product is effectively improved; the replacement frequency of the support or the grinding wheel or the pressing wheel is reduced through an adjustable installation frame, meanwhile, the time for adjusting the support is saved, and operation is easy.

The invention discloses an electronic packaging method and an electronic packaging device. The method carries out each packaging program by loading a work loading platform to a whole substrate. A plurality of packaging devices are hung near the work loading platform and are moved to an operation position by a mechanical arm. Therefore, problems of warping and transferring of the substrate can be effectively solved. The electronic packaging method and the electronic packaging device can use the whole substrate to carry out the packaging operation and can simultaneously carry out the same or different packaging programs in different areas of the whole substrate so as to effectively increase the yield and reduce the cost.