36results about How to "Square shape" patented technology

A tube reduction apparatus uses a pair of plates, each of the plates providing an X-shaped aperture therein. The X-shaped aperture comprises two pairs of opposing slots, and each slot provides a pair of opposing grooves. The grooves are oriented at right angles to the slots. The pair of plates are in face to face contact with the X-shaped apertures, grooves and slots aligned. A set of four wheels are mounted on transverse axles which are captured in the grooves with the wheels positioned in the slots. A V-shaped concave annular face has an has a semi-circular annular notch at its apex. The four wheels are positioned such that their edges are in mutual adjacency forming a square passage therebetween them.

The invention provides a novel plastic air pump machine core. The novel plastic air pump machine core comprises a plastic air cylinder, a plastic piston, a plastic output disc and a power mechanism. The power mechanism comprises a plastic gear, a plastic rocker arm and a motor. The air pump machine core further comprises a plastic support fixing and supporting the motor, the plastic gear, the plastic rocker arm and the plastic air cylinder. The plastic output disc and the plastic air cylinder are fixedly connected through a rotation buckle. The plastic support is fixedly connected with the motor and the plastic air cylinder through rotation buckles. The whole novel plastic air pump machine core is arranged in the plastic shell, and the plastic shell is internally provided with clamping grooves matched with the plastic air cylinder, the plastic output disc, the plastic support, the plastic rocker arm, the gear and the motor. According to the novel plastic air pump machine core, reliable engineering plastic is adopted, a reasonable connecting mechanism is designed, the overall air pump machine core except the motor is made of plastic, the weight of the novel plastic air pump machine core is greatly reduced, installing is easier and more convenient, the production efficiency of enterprises is greatly improved, and the manufacturing cost of the enterprises is saved.

An oil maintenance supply packaging box comprises a box body, a box cover and lock catches, wherein the box cover is connected to the box body by box body hinges; the lock catches are used for locking the box cover to the box body; a limit device which is used for limiting the opening angle of the box cover is mounted between the box body and the box cover; folding handles are arranged on the side walls of the box body; positioning bulges and positioning recesses which are positioned in a matching way to facilitate the stacked placement of packaging boxes are respectively arranged on the bottom of the box body and the top of the box cover; four corners of the bottom of the box body are provided with corner wrapping parts; four corners of the top of the box cover are provided with corner wrapping parts; raised balls and pits which are positioned in a matching way to facilitate the stacked placement of the packaging boxes are respectively arranged on the corner wrapping parts of the bottom of the box body and the corner wrapping parts of the top of the box cover; an inner cavity of the box body is divided into an upper layer of storage space and a lower layer of storage space by a movable cover plate; supporting devices used for positioning the movable cover plate are arranged inside the box body. The oil maintenance supply packaging box can be used as a rear service equipment repair and maintenance supply storage and transportation box in peacetime or in wartime, and a maintenance supply carrying and accompanying support task required by a rear service department is enabled to be completed. The oil maintenance supply packaging box has the characteristics that the structure is simple, the processing is easy, the use is convenient, multiple functions can be fulfilled, and the like.

The invention relates to a novel host of a split-type panel computer. According to the invention, the split-type panel computer adopts a parted structure composed of the host and a hand-held terminal. Based on the characteristic that the host and the hand-held terminal are apart, the host can be in various forms and has functions of ornamental articles, additions, gifts, toys, including some built-in special application functions.

The invention discloses an ion mobility spectrometer and a migration tube thereof. The migration tube includes a curved base tube. Implementing the technical solution of the present invention, since the migration tube of the ion mobility spectrometer adopts a curved base tube, the structure and size are more compact than the linear migration tube, and while realizing the miniaturization of the ion mobility spectrometer, it is ensured that The length of the transfer tube is increased, thereby effectively improving the resolution and sensitivity of the ion mobility spectrometer. In addition, because the overall shape of the curved transfer tube is more square, the design of its peripheral support system (such as temperature control system, etc.) is easier and the work effect is better.

The invention relates to a continuous foaming device for amino sound-absorbing cotton. The continuous foaming device comprises a foaming mold, a microwave system, a foaming air supply and air outlet system and a foaming unit of a foamed stainless steel shell, wherein the microwave system is arranged on the outer side of the foamed stainless steel shell, and the foaming air supply and air outlet system is arranged on the outer side of the foamed stainless steel shell; the microwave system comprises a power supply, a magnetron and a microwave transmission pipeline, and the tail end of the microwave transmission pipeline enters the interior of the foamed stainless steel shell to be located between the foamed stainless steel shell and a top plate of the foaming mold; and the microwave system further comprises strip-shaped distributors which are arranged in a cavity at the tail end of the microwave transmission pipeline, the cross sections of the strip-shaped distributors are isosceles triangles, and the strip-shaped distributors are arranged to enable wave-facing surfaces of the strip-shaped distributors to uniformly separate microwaves and transmit the microwaves to the two sides. According to the continuous foaming device, the plurality of wedge-shaped strip-shaped distributors with isosceles triangles are arranged in the cavity at the tail end of the microwave transmission pipeline, the microwaves are uniformly separated and transmitted to the two sides, so that the microwave uniformity is effectively improved.

A method of fabricating an epitaxial layer includes providing a substrate. The substrate is etched to form at least a recess within the substrate. A surface treatment is performed on the recess to form a Si—OH containing surface. An in-situ epitaxial process is performed to form an epitaxial layer within the recess, wherein the epitaxial process is performed in a hydrogen-free atmosphere and at a temperature lower than 800° C.

A slat connecting system is provided for a roll-up truck bed cover comprising an array of a plurality of contiguously arranged elongated slats. The elongated slats are pivotably hinged together, wherein an elongated slat comprises a main slat body having a first elongated edge and an opposite second elongated edge, a first elongated hinge member is provided in the vicinity of the first elongated edge along its length, and a second elongated hinge member is provided in the vicinity of the second elongated edge along its length, wherein the first elongated hinge member of a slat of the array of the plurality of contiguously arranged elongated slats is configured for being pivotably interconnected to the second elongated hinge member of the adjacent slat of said array.

The invention relates to a multi-channel high-efficiency electrode which can generate same change electric field force simultaneously, comprising a high-volage multi-channel electrode fixed on a support plate of a bracket. The high-voltage multi-channel electrode is of a closed tubular structure, the upper end of which is provided with an air intake and a feed inlet and the bottom of which is a slab shape; the lower part of a slab is provided with 2 or more than 2 metal hollow acerose channels which are electrically connected with the anode end of an external high-voltage pulse power source; the lower end ports of both the metal hollow acerose channels are positioned at a same plane; a low-voltage board electrode is arranged correspondingly below the high-voltage multi-channel electrode, and is of the slab-shaped structure; the low-voltage board electrode corresponding to the lower ends of the metal hollow acerose channels is provided with round holes, the circumferences of which are provided with metal circular rings which are electrically connected with an external high-voltage negative pulse power source; the low-voltage board electrode is connected with the bracket in a sliding way. The multi-channel high-efficiency electrode used in a method of electrostatic atomization can prepare biologic microcapsules with controllable and uniform grain diameters.

The invention discloses an automatic green brick cutting device. The automatic green brick cutting device comprises a clay strip conveying mechanism, a moving mechanism and a cutting mechanism arranged on the moving mechanism, wherein the cutting mechanism cuts clay strips and pushes the cut clay strips away in the state that the relative speed of the moving mechanism and the clay strip conveying mechanism is zero. With the adoption of the structure, the automatic green brick cutting device and the cutting method have the advantages as follows: (1), conveying is not required to be stopped when the clay strips are cut in the clay strip cutting process, and the clay strips are continuously and automatically cut off; (2), the relative speed of the cutting mechanism and the clay strips is zero in the moving direction of the clay strips, so that clay strip green bricks are square during cutting, the whole mechanism is compact, and the small area is occupied.