83 results about "Conical projection" patented technology

The present invention discloses a grip fractioning pattern for any object, but specifically designed for handgun and rifle grips. The pattern consists of a series of spaces frusto-conical projections regularly spaced about the surface of the weapon's grip. Alternatively, the series may be interrupted by an interspaced series of pyramids, with their points not extending above the height of the frusto-conical projections. The grip pattern may be utilized in any circumstance where a user desires greater and more comfortable friction when gripping an object.

An electronic sign module housing having an overmolded gasket seal including an elastomer overmolded gasket seal with an inner and an outer lip and a base overmolded to a rearwardly located contact surface of an electronic sign module housing. Grooves on the contact surface of the electronic sign module housing provide additional bonding surfaces with a greater surface area to enhance the chemically-bonded overmolding of the overmolded gasket seal. Truncated conical projections extending forwardly from the elastomer base extend into correspondingly shaped truncated conical cavities in the electronic sign module housing in order to provide additional chemical bonding and to provide a geometrically based frictional engagement arrangement.

A fastener assembly comprising a fastener with a head having a first surface and second surface, and a shaft extending from the second surface of the head. An annular washer is rotatably disposed about the shaft and rotatable relative to the second surface of the fastener head. The washer has an inner diameter, an outer diameter, a first surface and a second, the first surface being positioned adjacent to the second surface of the head. A plurality of identical conical projections extend out from the second surface of the washer and are formed integrally therewith.

A device for constructing a synthetic image of an aircraft environment may include information sources having information relating to the aircraft and to its environment. An information processor constructs a synthetic image of the environment of the aircraft on the basis of information emanating from the information sources. A display presents, on at least one part of a display screen, a synthetic image, which is constructed with the aid of a conical projection onto a plane of projection that is orthogonal to a line of aim that forms angles of lateral separation and angles of vertical separation with the course of the aircraft.

A silicon substrate is used as the substrate, on which a conical projection is formed as a cathode. A gate electrode is arranged via an insulating film formed on the substrate. The gate electrode is formed so as to enclose and encircle the cathode while the pointed portion of the cathode and the surface of the gate electrode are coated with two layered coating films.

A micro prismatic structure is formed inside the light transmission face of a gradient-index lens, in which the projections have a height of at least 0.25 λ and the distance between the neighboring projections is at most λ, based on the applied wavelength λ. Preferably, the micro prismatic structure has conical projection units that are aligned in the light transmission face of the lens in a mode of hexagonal, tetragonal or orthorhombic arrangement. The conical projections may be in any form of circular cones, polygonal cones, flat-headed circular cones (circular cones of which the apex has been cut horizontally) or flat-headed polygonal cones .

A piston for a four valve direct injection diesel engine defines a combustion chamber comprising a recess (10) in the piston crown, which is rotationally symmetrical about the axis of the piston in axial cross-section and is defined by a base and a side wall. A generally conical projection (5) is upstanding from the base. The recess (10) includes a lower toroidal portion (8) and an upper portion (10), whose diameter progressively increases towards the piston crown. The upper and lower portions of the recess are separated by an annular, arcuate lip (12) extending into the recess. The included angle of the conical projection (5) is between 104 DEG and 108 DEG , the maximum depth of the recess (10) is between 13% and 22% of the diameter of the piston, the conical projection (5) merges with the base of the recess along a circular line whose diameter is between 38% and 44% of the diameter of the piston, the diameter of the lip (12) is between 54% and 59% of the diameter of the piston, the line of minimum diameter of the lip (12) is situated at a distance between 5% and 10% of the diameter of the piston from the plane of the piston crown and the diameter of the upper portion (10) of the recess increases from 54% to 59% of the diameter of the piston at the line of minimum diameter of the lip to between 72% and 76% of the diameter of the piston at the line where the side wall of the recess intersects the plane of the piston crown.

The invention discloses a petroleum pipe with good conveying effect. The petroleum pipe comprises a pipe body; multiple arc reinforcing convex edges are uniformly arranged on the outer side of the pipe body; sound insulation layers are arranged on the outer sides of the arc reinforcing convex edges; fireproof outer layers are arranged on the outer sides of the sound insulation layers; insulation materials are filled between two adjacent arc reinforcing convex edges; and multiple annular conical projections are uniformly arranged on the inner wall of the pipe body.

The present invention provides an ecological block and a method for constructing an ecological vegetation bank protection wall and an ecological vegetation retaining wall using such an ecological block. In the ecological block according to the present invention, a truncated conical projection and a corresponding groove is provided at the upper and lower parts of the block body of said ecological block respectively, a channel-shaped space (groove) in which water grasses are planted is provided at either side of the block body of said ecological block, and traveling passages for amphibious animals and insects and grooves for absorbing noise are provided at the front part of the block body of the ecological block. With the present invention as mentioned above, it is possible to preserve the ecological environment since excellent spawning and inhabitable spaces for amphibious animals and insects are provided.

A fixed fluidized bed reactor for tests comprises a cylindrical settling section [I] and an inverted conical reaction section [II]; the cylindrical settling section [I] and the inverted conical reaction section [II] are of a same diameter and are fixedly connected; an upper end of the cylindrical settling section [I] is sealed by a top cover flange [1]; the fixed fluidized bed reactor for tests also comprises a cooling medium inlet tube [8] and a cooling medium distributor [12] used for cooling materials in the reactor, a concentric combined casing pipe composed of a raw material oil inlet pipe [6], an atomized steam inlet pipe [14], and a heat insulation pipe [15], a grid plate [16] with a conical projection, and a conical plug valve [19] for discharging catalysts from the bottom. The reaction is applicable to both catalytic cracking and catalytic pyrolysis reactions, has the characteristics of a constant charging temperature and state, good raw material oil atomization, full agent-oil contact, complete agent discharging, a stable reaction pressure, and wide raw material application scope, can increase the security of the test process, and the accuracy and repeatability of test results.

The invention discloses a solar thermal collector and a method for manufacturing the same. The solar thermal collector is made of glass material, comprising a shell, a heat collecting pipe assembly, a water inlet pipe and a water outlet pipe, wherein, the heat collecting pipe assembly is formed by parallel odd number of rectangular tubes which are connected in series, and is coated with metallic film in the inner surface; a plurality of conical projections are arranged on the inner surface of the shell; sharp parts of the conical projections are pressed on the outer surface of the heat collecting pipe assembly; the water inlet pipe enters the shell from the bottom-left side and is connected with a water inlet of the heat collecting pipe assembly; the water outlet pipe enters the shell from the top-right side and is connected with a water outlet of the heat collecting pipe assembly; a vacuum is made between the shell and the heat collecting pipe assembly; a die of the heat collecting pipe assembly comprises an upper die, a moulding box and a lower die, the lower die is arranged under the moulding box, then hot glass melt is put in the moulding box, finally the upper die is pressed down; after the glass is cooled, the semi-finished product is taken out, annealed and coated with film; the water inlet pipe and the water outlet pipe are arranged; and six toughening outside casing plates are covered on the heat collecting pipe assembly, sealed and connected, and vacuumized so as to manufacture the solar thermal collector.

A method for joining a holed member, including a through-hole, and an unholed member together, the method includes deforming the unholed member against the through-hole of the holed member so that a flat portion of the holed member around the through-hole is deformed into the shape of a truncated conical projection and so that the unholed member is deformed along the truncated conical projection to partly project from the through-hole, and deforming a portion of the unholed member which projects from the through-hole to come into intimate contact with a wall surface of the through-hole of the holed member.

The invention discloses a method and system for generating a 3D integrated image based on display equipment. The method includes the steps shat, firstly, parameters of the display equipment and a 3D model file are obtained, wherein the parameters of the display equipment include the number of micro lenses and the number of pixels of the display equipment covered by the micro lenses; then, the number of the micro lenses is compared with the number of the pixels of the display equipment covered by the micro lenses, and according to the comparison result, the 3D integrated image is generated through a parallel projection algorithm or a conical projection algorithm. According to the method for generating the 3D integrated image based on the display equipment, a 3D scene model can be quickly converted to the integrated image to be used for 3D integrated image display and provide the true three-dimensional image which is full in parallax, life-like in color and continuous in viewing point.

A body side wafer of a stoma system is bonded to a further component thereof using an ultrasonic welding apparatus including an anvil and a horn. The horn includes a first welding surface and the anvil includes a second welding surface. At least one of the two welding surfaces includes a pattern of projections, preferably a plurality of adjacently placed conical projections such as pyramids, truncated pyramids, prismoids, cones, truncated cones or cylinders. The steps include clamping the parts to be welded between the first and second welding surface, and ultrasonically vibrating the horn with respect to the anvil. The resulting welded structure includes a first and a second welding area, respectively, which are bonded to each other by ultrasonic welding. At least one of the two welding areas includes a pattern of depressions, preferably a plurality of adjacently placed conical depressions, preferably in a goffered, honeycomb or diamond pattern.

The invention relates to a breeding hen quantitative feeding device, which relates to a breeding hen quantitative feeding device of domestic animal feeding equipment, and comprises a stock tray 1, a grid 3, a stock bucket 5 and a charging measuring device inside the stock bucket 5, wherein the charging measuring device comprises a bushing-type stretchable charging pipe 10, the bottom part of the charging pipe is provided with a measuring skirt tray 11, and the charging measuring device also comprises a charging funnel 6 which is fixedly connected with the bottom part of the stock bucket and is provided with a central charging hole 7, and the central charging hole is just aligned to a charging tray conical projection 2. The breeding hen quantitative feeding device has positive effects that: the measurement scale is flexible to adjust, the charging skirt tray is flexible to pull to move from top to bottom, feed inside the stock bucket is arranged below the charging pipe skirt tray, so no resistance problem and no skirt tray clamping problem exist; and the charging funnel 6 on the bottom part of the stock bucket is fixed, and the central charging hole 7 is right aligned to the conical projection of the charging tray, and the feed is uniform to charge and distribute. The breeding hen quantitative feeding device is accurate to position the measurement, is accurate to measure the charging, so the scientific and quantitative feeding can be realized, the feeding effect is good, and the benefit is remarkable. Due to the adoption of the breeding hen quantitative feeding device, a foundation can be set for the remote automatic control of a standardized henhouse feeding line.

A process for preparing ground resin particles is provided by modifying a jet mill with opposed fluidized bed, wherein the grinding efficiency can be dramatically increased, the operating conditions can be relieved, and smaller device size and reduced running cost can be achieved. By using a jet mill having a plurality of jet nozzles disposed at predetermined positions in a barrel of a grinding chamber toward the injection point of the grinding chamber and a bottom wall having a flat surface in part or in whole, parallel to the jet nozzles, or a jet mill having a plurality of jet nozzles disposed at predetermined positions in a barrel of a grinding chamber toward the injection point of the grinding chamber and a bottom wall having a conical projection immediately below the injection point, resin particles to be ground are jetted with or without water, thereby being ground to obtain ground resin particles of an intended particle size.

The invention relates to a cylindroid telescopic reducing drilling tool and belongs to the field of downhole tools for petroleum wells. The cylindroid telescopic reducing drilling tool comprises a shell, a guiding pipe, a positioning sleeve and a throttling sleeve, the shell sleeves the guiding pipe, step-shaped conical projections are arranged in the middle of the guiding pipe, the throttling sleeve is mounted at one end of the guiding pipe in a threaded manner, and the other end of the throttling sleeve is in contact connection with a connection head. The cylindroid telescopic reducing drilling tool is compact in structure, high in working reliability and capable of solving the problems that in an existing well drilling process, a traditional stabilizer used for controlling a well track and preventing well inclination is structurally fixed, is frequently affected by strata conditions, construction technologies and the like and is difficult in controlling and performance characteristic changing on the ground, and a diameter-variable stabilizer is complex in structure, high in manufacturing cost and low in reliability; the cylindroid telescopic reducing drilling tool can be applied to well drilling construction for large-displacement wells, directional wells and straight wells, efficiency can be improved, and great economic benefit and social benefit can be provided.

The invention discloses a valve plate of a feed bin discharge valve. The valve plate comprises a valve plate body which is fixed inside a valve body through a spring and positioned at the bottom of a feed bin, a conical projection with a cone angle of 24 degrees is arranged at a position, at the center of a feed bin opening, on the valve plate body, and the height of the conical projection is one-sixth of that of the feed bin. The valve plate of the feed bin discharge valve in the scheme is capable of automatically solving the problem of material blockage in the feed bin without shaking the feed bin, and is simple in structure, low in manufacturing cost and capable of effectively prolonging service life of a machine.

The invention discloses a fabric clamping suspension clamp. The fabric clamping suspension clamp is formed by a clamp belt and a rubber pad; the upper end of the clamp belt is in a circular ring shape; the lower end of the clamp belt is provided with two vertical plates, wherein the inner sides of the two vertical plates can be fully attached to each other; the outer sides of joints of the circular ring of the upper end and the vertical plates of the lower end of the clamp belt are provided with reinforcing ribs which are perpendicular to the end surface of the clamp belt; corresponding locking through holes are machined in the two vertical plates of the lower end of the clamp belt; the rubber pad is arranged on the circular-ring-shaped portion of the upper end of the clamp belt in a sleeving mode. According to the fabric clamping suspension clamp, the rubber pad sleeves the clamp belt, glass fiber fabrics are clamped in the rubber pad, the lower end of the clamp belt can be self-locked, the reinforcing ribs and the rubber pad with conical projections are arranged, and accordingly the fabric clamping suspension clamp is suitable for tightening fixation of conventional pipelines and circuits and the requirements of tightening fixation of pipelines and circuits arranged on engines in the aviation and aerospace industry are met; one side of the rubber pad is provided with the conical projections and accordingly the fixing performance is good when the circuits are clamped; the safety and the reliability of a system are greatly improved due to the reinforcing ribs of the clamp belt and the glass fiber fabrics which are clamped in the rubber pad.