31results about How to "Equal width" patented technology

The invention relates to a method for dredging and management and ait construction, which belongs to the techniques of environment protection and hydraulic engineering. The method comprises the following steps of: protecting dikes along both shores of a river by a light and hard shell dike method; arranging a nose dike in the middle position of the gradually-wide section of the river along the upstream end of a longitudinally ridged sand sill; according to the shape of the sand sill, hard shell sheet piles gradually extending to the downstream along both sides of the nose dike to form an aequilate river surface; inserting sheet piles, connecting the sheet piles into a whole, throwing the dredged mud into a range surrounded by the hard shell sheet piles, and then gradually forming a man-made island; marking a helix-shaped man-made bay on the downstream of the gradually-narrow section of the river to form a fixing sand point on the sudden-widen river; and then planting and fixing sand on the man-made island. The invention aims to satisfy the functions of flood discharge, tide suppressing, irrigation, water storage and navigation, and also can establish stable man-made islands and marsh parks. The invention has the advantages of dike stabilization, reduction of sand accretion, utilization of natural energy, and increase of earth resources, and is suitable for various types of river management.

The invention relates to a marking vehicle used for a three-lane road. The marking vehicle mainly comprises a vehicle body. A central frame is arranged on the vehicle body. A No.1 sliding holder and a No.2 sliding holder are installed on the central frame. The No.1 sliding holder and the No.2 sliding holder are in sliding connection with a No.1 bearing holder and a No.2 bearing holder respectively. A No.1 rack is installed on the No.1 bearing holder and a No.2 rack is installed on the No.2 bearing holder. The No.1 rack is engaged to a No.1 gear. The No.1 gear is connected with a No.2 gear and transmission gears. The No.2 gear is engaged to the No.2 rack. Two idle gears are arranged between the two transmission gears. Plugging covers are arranged at the lower end of the No.1 bearing holder and the lower end of the No.2 bearing holder respectively. An opening is arranged beside each plugging cover. The upper end of each plugging cover is pressed against a bar-shaped pipe. The bar-shaped pipe is connected with a raw material storage box. Annular teeth are arranged at the circumferential outer end of each plugging cover. The annular teeth are engaged to an auxiliary gear. The marking vehicle has functions of ensuring marking length and marking interval constant and marking of roads with different lane widths.

A modular wheel lift provides elevation of a vehicle wheel enclosed by body portions of a low height above the ground. A base lift unit includes a lift surface height selected to be less than the body portions height. A ramp unit is aligned and hingedly attached to one end of the base lift unit, to allow rotational movement of a wheel to the base lift surface. Additional lift units having ramp ends and progressively decreasing lengths are laterally positioned and stacked on the base lift surface. Side brackets are releasably positioned along either side surface to secure the stacked additional lift units to allow rotational movement of the vehicle wheel to an uppermost lift surface. A method of assembly and elevating includes laterally positioning and stacking a plurality of lift units having progressively shorter lengths to provide lifting of a vehicle wheel without disruption of the vehicle body portions.

A high voltage MOS transistor including a substrate, a well, a gate insulation layer, a gate, two drift regions, a channel region, a source/drain region and an isolation structure is provided. The well is disposed in the substrate and the gate insulation layer is disposed over the substrate. The gate is disposed over the gate insulation layer. The two drift regions are in the well at two sides of the gate and the width of the gate is greater than or equal to that of the drift regions. The channel region is disposed between the drift regions and the width of the channel region is greater than that of the drift regions. The source/drain regions are formed within the drift regions. The isolation structure is disposed inside the drift regions between the source/drain region and the channel region. The drift regions enclose the source/drain regions and the isolation structure.

The invention relates to laminaria japonica cutting equipment. The equipment comprises a rack, conveying rollers, a conveying belt, a cutting tool and a driving mechanism. The driving mechanism at least comprises a main shaft. A supporting frame driving the cutting tool to move up and down is connected between the main shaft and the cutting tool. The lower end of the supporting frame is hinged tothe eccentric position of the main shaft. The conveying rollers rotate in an intermittent mode and drive the conveying belt to move forwards in an intermittent mode. An intermittent transmission mechanism used for controlling the conveying belt to stop or move when the cutting tool is located in a cutting position or a non-cutting position is connected between the main shaft and the conveying rollers. According to the laminaria japonica cutting equipment provided by the invention, the conveying belt moves in the intermittent mode, both laminaria japonica and the conveying belt are kept in a stationary state when the cutting tool cuts downwards, damage of the cutting tool to the conveying belt is reduced, and the laminaria japonica cutting quality is guaranteed; the cutting tool and the conveying rollers are driven by the same driving mechanism and are high in moving synchronism, and the equipment operating stability is high; and a pressing device can be used for stretching the laminaria japonica to be flat, it is guaranteed that the cutting width of the laminaria japonica each time is the same, and the cutting quality is improved.

The invention provides a method for preparing a sealing strip of a scroll compressor. The sealing strip prepared by using the method has high strength, a small thermal expansion coefficient, a small abrasion rate and long service life. The preparation method comprises the following step of mixing the following components in parts by weight: 20-30 parts of polybenzimidazole, 40-50 parts PEEK (Polyether-Ether-Ketone), 5-10 parts of carbon fiber and 3-5 parts of molybdenum disulfide, and carrying out hot-press forming.

The invention discloses a bridge structure and an assembly method thereof, relates to the technical field of bridges, and solves the problems that the installation width cannot be adjusted according to a cable with a larger diameter and the assembly is inconvenient. The invention discloses a bridge structure and an assembly method thereof. Connecting plate, two connecting sleeves are mounted at each of the two ends of the inner side of the connecting plate; an adjusting rod is mounted on the inner side of the connecting sleeve; ten limiting holes are formed in the inner side of the adjusting rod; a fixed column is mounted on the inner side of one of the limiting holes; a driven plate is mounted at the upper end of the fixed column; a rotary knob is installed at the upper end of a driven plate, an adjusting plate is installed on one side of an adjusting rod, a sealing plate is installed on one side of the adjusting plate, five limiting grooves are formed in one side of the lower end ofthe sealing plate, placing plates are installed on the two sides of the lower end of a connecting plate, and driving gears are installed at one ends of the inner sides of the placing plates. The installation width can be adjusted according to a cable with a large diameter, and assembling is convenient.

Adhesive tape with a backing of a polymer material and with an adhesive, wherein the backing material is composed of a multiplicity of strips which are oriented in machine direction and aligned in machine direction, the multiplicity of strips being fixed to one another by means of an auxiliary backing film.

Compound headers and combine harvesters that include compound headers are disclosed. The compound headers may include two or more crop harvester types that are operable to harvest different crops simultaneously, such as different crops grown in the same field in an intercropped relationship. The simultaneously harvested crops may be separated into individual crop flows that are handled separately from each other.

The invention relates to a glass fiber reinforced plastics bow comprising a bow arm made of glass fiber, two bow tips symmetrically disposed at two ends of the bow arm, a bow string connected with thetwo bow tips and a grip attached to the bow arm. The bow tips are made of a wood material or glass fiber. The invention also provides a glass fiber reinforced plastics bow machining method. A glass fiber reinforced plastics forming process is applied to the machining of a traditional bow; the bow arm is made of glass fiber reinforced plastics by an integrated hot-pressing process, the glass fiberreinforced plastics are not affected by the external environment and temperature and mechanical properties of the glass fiber reinforced plastics bow are not affected by ambient temperature and humidity changes when the glass fiber reinforced plastics are stored or used, so that the glass fiber reinforced plastics bow not only improves environmental weather resistance, but also prolongs service life, and meets the use requirements of bow enthusiasts.

A method of manufacturing a thin film magnetic head can suppress dulling of a magnetic pole tip portion of a write magnetic pole during ion milling carried out when forming the write magnetic pole, and can also suppress fluctuation and nonuniformity in the write core width of the write magnetic pole. The method includes a laminating process of successively laminating a lower magnetic pole layer, a gap layer on the lower magnetic pole layer, and an upper magnetic pole layer on the gap layer to produce a laminated film and an ion milling process of irradiating the laminated film produced by successively laminating the lower magnetic pole layer, the gap layer, and the upper magnetic pole layer from above with an ion beam to trim the laminated film to a narrow width and thereby form the lower magnetic pole layer, the gap layer, and the upper magnetic pole layer into a write magnetic pole. During the ion milling process, trimming is carried out using an ion beam with a first divergence angle and then trimming is carried out using an ion beam with a second divergence angle that differs to the first divergence angle.

A separation device having a housing (10) with a feed conduit (1) and a reject conduit (2), between which conduits (1, 2) and an accept conduit (3) of the housing (10) is a rotor unit (13) having a shaft (4) transverse to the through-flow direction of the separation device, which shaft rotates discs (5) attached to the shaft (4), the outer surface and/or side surfaces of which discs are jagged, i.e. they have protrusions (6) and/or notches and/or these surfaces are substantially rough and the teeth (9) of at least two sieves (7, 8) attached to the housing (10), extend between the discs (5), the first sieve (7) being between the reject conduit (2) and the accept conduit (3) and the second sieve (8) being between the feed conduit (1) and the accept conduit (3).

A delay line circuit is provided and includes a fine delay unit and coarse delay units. Each fine delay circuit includes a first PMOS transistor; a first NMOS transistor; second PMOS transistors whose widths of gate features of the second PMOS transistor are equal; at least one third PMOS transistor, coupled between the power voltage and the source of the first PMOS transistor, whose width of gate features is smaller than the widths of the gate features of the second PMOS transistors, second NMOS transistors whose widths of gate features of the second NMOS transistors are equal; and at least one third NMOS transistor, coupled between the ground voltage and the source of the first NMOS transistor, whose width of gate features is smaller than the widths of the gate features of the second NMOS transistors.

The invention provides a high-hydroscopicity non-woven fabric edge cutter, belongs to the technical field of machinery, and solves the technical problems of non-uniform width and the like of the edge-cut non-woven fabric obtained by an existing non-woven fabric edge cutter. The high-hydroscopicity non-woven fabric edge cutter comprises a rack, wherein the rack is rotationally connected with a cloth collecting roller, the cloth collecting roller is provided with edge cutting grooves close to two ends, the rack is provided with two sets of cutting assemblies in one-to-one correspondence to the edge cutting grooves, each set of cutting assembly comprises an upper sliding seat, a lower sliding seat and a cutting line connected between the upper sliding seat and the lower sliding seat, the upper sliding seat is in sliding connection onto a top plate of the rack, the lower sliding seat is in sliding connection onto a bottom plate of the rack, the cutting line is vertically arranged, and theupper sliding seat and the lower sliding seat can synchronously move to enable the cutting line to penetrate through each edge cutting groove or keep away from the cloth collecting roller. The edge cutter provided by the invention has the advantage of uniform width of the high-hydroscopicity non-woven fabric after edge cutting.