116results about How to "Well oriented" patented technology

A fastener wherein right and left side edge portions can be engaged using a magnetic force, and which can be applied preferably for plastic article such as clothes and further prevented from being opened carelessly even if a lateral pulling force is applied when right and left elements are engaged. In the fastener, a plurality of first and second magnetic elements(3A,3B) having magnetism are provided in lines on a pair of first and second fastener tapes(3A,3B), the first and second magnetic elements(3A,3B) are adsorbed to each other using a magnetic force, characterized in that the first and second magnetic elements have head portions(7), a leg portion(8), and engagement / disengagement portions(9,10) formed at the head portions and mechanically engaged with or disengaged from each other between the first and second magnetic elements(3A,3B), the first and second magnetic elements are respectively disposed at predetermined intervals, the magnetic elements(3A) of one fastener tape(2A)(3B) are adsorbed to spaces between the adjacent magnetic elements of the other fastener tape(2B), and the first and second magnetic elements(3A,3B) are engaged with each other alternately.

This device includes at least one peripheral wall (2, 6, 8) forming an air duct (4) and at least one first fin (10) rotatably mobile around a substantially longitudinal axis (A), at least one second fin (12) rotatably mobile around a substantially transverse axis (B), and at least one deflector (18) extending upstream of the second fin (12) and being rotatably mobile around a substantially transverse axis (C), the downstream end portion (20) of the deflector (18) being fastened to the upstream end portion (22) of the second fin (12) via a hinge (24). The axis of rotation (C) of the deflector (18) is mounted in at least one slot (28) of the peripheral wall (2, 6, 8), the slot (26) extending along a path at least partially not parallel to the upstream-downstream direction of the air duct (4).

The invention discloses a detection head for carrying out airtight detection between a valve and a valve seat of an engine. The detection head is characterized in that the detection head is provided with a guide rod (1); the guide rod (1) is connected with a measuring conical surface (2); the edge of the measuring conical surface (2) is provided with an annular nozzle (3); the measuring conical surface (2) is connected with a detection head body (4); the inside of the detection head body (4) is provided with an air circuit (7); the air circuit (7) is connected with an air pipe (5) through a joint; the annular nozzle (3) is communicated with the air pipe (5) through the air circuit (7); and the detection head body (4) is connected with a handle (6). The detection head has simple, convenient and rapid operation, high detection efficiency and high precision.

A wide-range horizontal mini-tiller for avoiding middle tillage omission by adopting a guide wheel matched lift-throwing type plow with a blade protecting disc adopts combination of a guide wheel (p9) and the lift-throwing type plow (p104) and serves as a novel tool applying front guide wheel matched plow to avoid middle tillage omission. Various safety measures are provided. By using a safe follow-up upper protective plate, a safe follow-up rear protective plate and left and right safe protective frames, the mud sticking amount is decreased, entangled grass is cut off, the work efficiency is improved, the mini-tiller is safe and up to the standard, and observation is facilitated. A safe resistance fork wheel does not easily incline and is easy to guide, movable protective plates are provided with detachable plates, and the transportation cost can be reduced. The mini-tiller is proved with a reverse gear and facilitates usage of an operator on the cultivated land edge, a handle is provided with an anti-misoperation device, the handle height is adjustable at high level, middle level and low level, a horizontal angle of the handle is adjustable at five levels, the height of a mud blocking rod is adjustable in vertical four levels, and rotary blades have overlapping phase difference and end teeth and facilitates sharpening of sawtooth blades. The safety is further improved by using the outer protective disc. In addition, due to the fact that the outer protective disc is a function wave protective disc and bounces when being pressed to deform, the mini-tiller has the effects of wide-range vibration reduction, vitality enhancing and multiple-point balancing. The guide wheel matched lift-throwing type plow provided with the blade protecting disc has the effect of avoiding the tillage omission.

A method for producing a sintered permanent magnet comprises the steps of (a) pulverizing a rare earth magnet material to fine powder, and recovering said fine powder directly in a mineral oil, a synthetic oil or their mixture to form a slurry, (b) injecting said slurry under pressure into a die cavity, in which said slurry is wet-molded in a magnetic field, (c) heating the resultant green body under reduced pressure to remove said mineral oil, said synthetic oil or their mixture from said green body, and (d) sintering said green body in vacuum, wherein an axial direction of an aperture open in a cavity of said die for injecting said slurry under pressure is deviated from a center of a center core in said die.

The invention discloses a manufacturing method of a composite material of doped aligned carbon nanotubes, and belongs to the field of nanocomposite manufacturing. The formula includes the carbon nanotubes and a base material. The method includes the steps that 1, gas-phase dispersion carbon nanotube airflow is made to pass through a high-voltage cathode metal net in an air channel and enter a uniform electric field; 2, the carbon nanotube airflow falls into a receiving tray perpendicular to the electric field; 3, the atomized base material is driven by the airflow to fall into the receiving tray from a base material air channel; 4, in the working process, the receiving tray rotates at a constant speed in the fixed direction and receives oriented carbon nanotube particles and oriented base material particles from the two air channels respectively; 5, manufacturing of the composite material of the doped aligned carbon nanotubes can be completed after the mixture in the receiving tray accumulates to a needed thickness. The manufacturing method of the composite material of the doped aligned carbon nanotubes is high in alignment degree and can achieve any thickness.

The invention relates to a valve sealing structure, and provides the valve sealing structure, a valve body and a low-pressure valve using the sealing structure. The valve sealing structure comprises avalve body and a valve element; the valve element is provided with a rubber pad; the valve body is provided with a valve base; the valve base is provided with a sealing fit surface for forming a sealing pair with the rubber pad; an outermost layer of the sealing fit surface is a plastic spraying coating layer; and the plastic spraying coating layer is formed by sprayed Teflon. The outermost layerof the sealing fit surface, forming the sealing pair with the rubber pad, of the valve base is the plastic spraying coating layer; the plastic spraying coating layer is formed by the sprayed Teflon;as Teflon is excellent in non-adhesive performance, the influence on primary opening pressure by attachment of rubber on the sealing fit surface can be prevented; and the valve element adopts an existing valve element without needing special treatment, so that maintenance and replacement are convenient, and the generality is excellent.

The invention discloses an assistant of a tire mounting / demounting machine. A main arm of the assistant is hinged to a sliding body with a V-shaped guide structure; driven by an actuator, the sliding body longitudinally slides along a square guide rail; the sliding body mainly consists of a front half body, anti-friction sheets and a rear half body; two lateral sides of the sliding body are balanced in stress and good in guiding performance, so that the problem that in the prior art, lateral sides are bad in guiding performance is solved. A main-arm locking mechanism with an external unlocking air cylinder is arranged on the main arm, and the external inching unlocking air cylinder is arranged on the main arm; the unlocking air cylinder is large in cylinder diameter and quick to unlock, the assembling ability is improved, and the unlocking air cylinder is convenient to maintain and long in service life. Quick-changing tire pressing sleeves are respectively arranged under two branch arms hinged to the main arm, so that the assistant can be quickly adapted to the change of tire types during maintenance.

The invention discloses an electric car coupler pushing device, car couplers and a working method of the electric car coupler pushing device. The electric car coupler pushing device comprises push trigger mechanisms, and one end of each push trigger mechanism extends towards the opposite car coupler; when car couplers are automatically coupled, the car couplers on the opposite side can push the push trigger mechanisms to move synchronously; the device further comprises a pushing mechanism which is arranged on an electrical car coupler, and a transmission mechanism, one end of the transmission mechanism is connected with the push trigger mechanisms, and the other end of the transmission mechanism is connected with the pushing mechanism. When the car couplers are automatically coupled, the push trigger mechanisms drive the transmission mechanism to move under the pushing action of the car couplers on the opposite side, and the transmission mechanism pushes the pushing mechanism to push out the electrical car coupler. The technical problem that in the prior art, an automatic coupling car coupler with the short guiding length cannot achieve accurate coupling of the electrical car coupler through mechanical driving is solved.

The invention discloses a directional arranged electrostatic spinning fiber preparation apparatus which comprises a solution control system and a spinning reception system, wherein the solution control system comprises a metallic needle head, a propulsion device for controlling the flow velocity of spinning solution in the metallic needle head and an electrostatic generating device for controlling the electrostatic voltage on the metallic needle head, and the spinning reception system comprises a rotating disc receiver and a drive unit for driving the rotating disc receiver to rotate. The rotating disc receiver is cylindrical, the side surface is wrapped by a reception layer for receiving electrostatic spinning material, and the axial direction of the metallic needle head is parallel to the axial direction of the rotating disc receiver. The metallic needle head is arranged in a curved surface, where the side surface of the rotating disc receiver is located, and a gap is arranged between the metallic needle head and the bottom close to the rotating disc receiver. The method disclosed in the invention controls and regulates the orientation degree of electrostatic spinning fibers by controlling DC voltage, the flow velocity of polymer solution, the distances between the metallic needle head and the rotating disc receiver, the rotating speed of the rotating disc receiver and the diameter of the rotating disc receiver. The operation performance is good.