39results about How to "Good bonding surface" patented technology

A wall and / or ceiling polymer-based composite structural sheathing board has a polymer material or predominantly polymer material core layer with a density between 1.6 lbs / ft3 and 25 lbs / ft3. A facer overlays at least one of the major surfaces of the core layer. The facer is generally coextensive with and bonded to the overlaid major surface of the core layer and enhances the integrity and fastener pull through strength of the polymer-based composite structural sheathing board as well as other desired physical and performance characteristics of the polymer based composite structural sheathing board. A wall and / or ceiling system of a building structure includes a plurality of the polymer-based composite structural sheathing boards overlaying and secured to a structural wall and / or ceiling frame and forming a wall and / or ceiling sheathing layer over the structural frame.

A building flooring system includes a plurality of polymer-based composite structural underlayment boards overlaying and secured to a building subfloor to form an underlayment layer over the building subfloor and a nonstructural finish-flooring layer overlaying and bonded to the underlayment layer. The polymer-based composite structural underlayment boards each have a polymer material core layer or a predominantly polymer material core layer that typically contains from 1% to 40% by weight filler(s) and a density between 1.6 lbs / ft3 and 25 lbs / ft3. At least the top or bottom major surface of each of the polymer-based composite structural underlayment boards is overlaid by a facer that reinforces and strengthens the polymer-based composite structural underlayment board and that is generally coextensive with and bonded to the overlaid major surface of the polymer-based composite structural underlayment board.

A building flooring system includes a plurality of polymer-based composite structural underlayment boards overlaying and secured to a building subfloor to form an underlayment layer over the building subfloor and a nonstructural finish-flooring layer overlaying and bonded to the underlayment layer. The polymer-based composite structural underlayment boards each have a polymer material core layer or a predominantly polymer material core layer that typically contains from 1% to 40% by weight filler(s) and a density between 1.6 lbs / ft3 and 25 lbs / ft3. At least the top or bottom major surface of each of the polymer-based composite structural underlayment boards is overlaid by a facer that reinforces and strengthens the polymer-based composite structural underlayment board and that is generally coextensive with and bonded to the overlaid major surface of the polymer-based composite structural underlayment board.

A touch-fastening anti-skidding material includes a knitted foundation layer and a plurality of synthetic yarns that is secured together by being collectively knitted in the foundation layer. The foundation layer is formed by knitting of pliable base yarns and synthetic yarns. The synthetic yarns are knitted in U-shaped loops and the base yarns are knitted between adjacent strands of the knitted synthetic yarns to make a large area cloth. The cloth may be in a planar form without hollow opening sections or it includes open sections to facilitate air permeability. The loops of the synthetic yarns have legs extending beyond the foundation layer by a predetermined length and the synthetic yarns show rigidity strength, whereby a flexible, resilient, light-weighted, and low-cost touch-fastening anti-skidding material is formed.

The invention discloses an asphalt base composite material for pavement crack repair. The asphalt base composite material for pavement crack repair is prepared from a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 120-150 parts of anionic emulsified asphalt, 1-3 parts of water reducing agent, 1-3 parts of defoaming agent, 3-8 parts of binder and 0-10 parts of water, and the component B comprises the following raw materials in parts by weight: 100 parts of cement, 70-110 parts of sand and 0.01-0.06 part of expanding agent. The asphalt base composite material for pavement crack repair has the flexibility of asphalt, the rigidity of cement and certain strength, is used for crack pouring and can bear and transfer loading force; the binder is added to the material so as to play a role of reinforcing the binding force between the material and crack walls, so that the service life of a pavement is prolonged, and the re-cracking phenomenon is difficult to occur. The asphalt base composite material for pavement crack repair has the advantages of low cost price, simple construction, low requirements on constructors, low energy consumption, low cost, strong binding power and long useful life and can be widely applied to the pavement crack repair.

The invention discloses a method for manufacturing a flexible oil pumping rope. The method comprises the following steps of: twisting a plurality of steel wire strands into a sealed steel rope by adopting twisting equipment; weaving a silk screen for binding the steel rope on the outer surface of the sealed steel rope; and coating an outer protective sealing layer on the outer surface of the silkscreen, and closing the silk screen and the sealed steel rope in the outer protective sealing layer. Single steel wires or steel wire strands of the oil pumping rope manufactured by adopting the method form a sealed whole, and leakage of the whole oil pumping rope is not caused even if the local oil pumping rope is damaged, so the use of the oil pumping rope is not affected, and the service life of the oil pumping rope is prolonged.

The invention discloses a friction plate type self-adapting automatic separation driving assembly of an inner rotor motor of an electric motor cycle. The friction plate type self-adapting automatic separation driving assembly comprises a driving motor, a tank body, and a main shaft which is matched with the tank body in a rotating manner and outputs power, and further comprises a gear base, a clutch assembly, a first-stage gear, a transmission unit, a one-way gear and a one-way limiting screw cam. According to the friction plate type self-adapting automatic separation driving assembly disclosed by the invention, a novel plane type clutch assembly is used for transmitting torque, so that the friction plate type self-adapting automatic separation driving assembly has the advantages of being simple in structure, fast and convenient to assemble, easy to process, good in joint surface, fast in separation, free from impact, stable in torque force value, and the friction area can be infinitely increased. Through adjusting the number of external tooth friction pieces and the number of inner tooth liners and / or adjusting torque, nuts are adjusted to meet different requirements for the torque; when the torque is greater than a calibration value of the clutch assembly, the one-way limiting screw cam drives a thrust limiting screw cam, so that the external tooth friction pieces and the inner tooth liners are mutually loosened, the situation that the pressure in an axial direction is infinitely increased is effectively limited, the situation that the axial pressure of the main shaft is lower than 5000N is guaranteed, and the damage of a bearing on the main shaft is avoided.

The invention discloses a manufacturing method of the reactor loop lead wires in the technical field of the reactor, including the following steps: first performing the high temperature anneal process on the strip sheet copper row; then fetching the aluminum foil with the same shape with the copper row, removing the surface oxide layer of the copper row and the aluminum foil; finally performing the cold crimping on the press machine with the copper row and the aluminum foil. The upper die is arranged with a plurality of strip ridge heave arranged in parallel, while the lower die is the rigid flat. The copper row and the aluminum foil are arranged between the upper die and the lower die, wherein the aluminum foil is up and the copper row is down, through the matched molds, the pressure maintaining, the demould, the copper row and the aluminum foil pressed together are fetched, namely the reactor loop lead wires. The method can connect the two materials reliably, with reliable connection and large tensile strength, no electrochemistry rot, no welding, high cleanness, low cost. The obtained product can be used for manufacturing the reactor.

The invention relates to a method and equipment for pressing granulated aggregate into a synthetic plate. The method comprises the steps of material preparation, pavement and plate manufacture; and the method is characterized in that: in the plate manufacture step, each square meter of the granulated aggregate are vibrated by 240 to 450 KN exciting force in a vacuum state and are applied with pressure during vibration. In the technical scheme provided by the invention, the 240 to 450 KN exciting force is adopted to apply to each square meter of the granulated aggregate in the pressing process and granules with different sizes can be the pressed. The vibrating frequency is adjusted to make the granules have multidirectional movement, and optimal combination surfaces can be found among the granules for arrangement. The pressure is applied while the exciting force is applied; gaps among the granules are continuously compressed; in the pressure application process, the exciting force with the vibrating frequency can well control and guide the moving direction of the granulated aggregate to make geometric surfaces of the granulated aggregate occluded with each other.

The invention provides a secondary injection molding process of megawatt level wind turbine blades. When a white spot region is found after the primary resin injection is completed, a circle of spiral pipe is fast paved on the white spot region, a plurality of glue injection nozzles are uniformly distributed on the spiral pipe, and a layer of outer-layer vacuum bag is covered above the white spotregion through sealing joint strips on the periphery of the spiral pipe. Small holes are dug in the middle of the outer-layer vacuum bag above the center of the white spot region, the glue injection pipe is connected with the spiral pipe while gluing a vacuum air suction pipe, a communication pipe with a middle valve is arranged between the vacuum air suction pipe and the glue injection pipe, theother end of the glue injection pipe is connected with a glue injection barrel through a glue injection valve, the outer end of the vacuum air suction pipe is connected with a vacuum pump through a vacuum valve, vacuum pumping and glue injection are carried out after the system pavement is completed, a injected region is heated, and the manufacture is completed after the fiber structure is cured.The secondary injection resin and the primary injection resin have good combining surfaces, the operation is simple, the fiber intensity in each direction is ensured, and the blade quality and the production efficiency are improved.

The invention discloses a split self-adaption automatic torque adding and energy saving driving assembly for an electric vehicle. The assembly comprises a box, a main shaft, a power input gear, a gear shaft, a clutch assembly, a gear base, a first-grade gear, a transmission unit, a one-way gear and a one-way limiting spiral cam. The split multi-clutch assembly is adopted to transmit the torque, and has such advantages as simple structure, fast assembly, easy machining, capability of infinitely increasing the friction area, good combining surface, fast separation, no impact and stable torque value. Different torque demands are adapted through adjusting the numbers of outer tooth friction pieces and inner tooth lining plates and / or adjusting torque adjusting nuts; and in addition, a thrust limiting spiral cam is pushed by the one-way limiting spiral cam to release the outer tooth friction pieces from the inner tooth lining plates, so that the axial infinite pressurization is limited, the axial pressure of the main shaft is lower than 5000 N, and the damage of a bearing on the main shaft is prevented. The assembly reduces the axial pressure, and has such advantages as stable driving-climbing mechanical conversion and high sensitivity.

The invention discloses an organic light-emitting diode frit glue packaging structure and a manufacturing method thereof. The organic light-emitting diode frit glue packaging structure comprises a cover plate, a micro-nano thin layer and frit glue, wherein the micro-nano thin layer is arranged on the cover plate, and the frit glue is arranged on the micro-nano thin layer. The invention belongs to the technical field of semiconductor packaging, and particularly relates to the organic light-emitting diode frit glue packaging structure and the manufacturing method thereof. A micro-nano thin layer is added on the surface of the cover plate, and the combination surface of the frit glue and the cover plate is improved.

The invention discloses a high rock-fill dam membrane anti-seepage body on a deep coverage layer and a construction method of the high rock-fill dam membrane anti-seepage body. The membrane anti-seepage body is composed of a concrete protection layer, a geomembrane anti-seepage layer, a flexibility cushion layer and a transition layer. The concrete protection layer is a cast-in-place fiber concrete layer for a reserved cross joint and a vertical joint and located on a surface layer to protect a geomembrane. The geomembrane anti-seepage layer is a two-cloth and one-membrane composite geomembrane and is located in the middle to play a role of preventing seepage. The flexibility cushion layer is a polyurethane pervious concrete layer and located at the bottom of the anti-seepage body to support the geomembrane and to transmit and disperse water loads. The rough granule transition layer is arranged between the flexibility cushion layer and a rock-fill dam body. The construction method comprises the technical steps of filling and building the transition layer, pouring the flexibility cushion layer, paving the composite geomembrane, pouring the concrete protection layer and the like. The membrane anti-seepage body can keep stable on a high rock-fill dam slope, the ability of adapting to deformation of a coverage layer dam foundation and the dam body is high, the structural form is simple, construction is fast, and the anti-seepage problem of the high rock-fill dam on the deep coverage layer can be effectively solved.