38 results about "Conical forms" patented technology

Spiral forming methods can be used to join edges of a rolled material along a spiral joint to form conical and / or cylindrical structures. Alignment of the edges of the rolled material can be controlled in a wrapping direction as the material is being joined along the spiral joint to form the structure. By controlling alignment of the edges of the material as the edges of the material are being joined, small corrections can be made over the course of forming the structure facilitating control over geometric tolerances of the resulting spiral formed structure.

To provide a tire and a tire molding mold capable of achieving higher black density and higher contrast than conventional tires.SOLUTION: A tire 1 includes a pattern region 7 provided in a visible state as a portion different from the periphery on a portion of an outer surface 3a of a sidewall 3, where the pattern region 7 is provided with a plurality of projections 20 projecting from a reference surface 7a of the pattern region 7, and the projections 20 have a plurality of projecting lines 30 on outer surfaces thereof. The protrusion 20 has a conical shape in which a cross-sectional outer shape intersecting a protruding direction is reduced as the protrusion heads toward the protruding direction from the reference surface 7a.SELECTED DRAWING: Figure 5

The bristle brush comprises a support plate (1), a plurality of bristles (2) emerging from one of the surfaces thereof, the distal ends of the bristles (2), the ones further from the support plate (1), defining a support surface intended to receive a piece to be transported and / or cut or handled, wherein the distal ends of the plurality of bristles (2) have a semi-spherical or conical shape ending in a tip. It enables a bristle brush to be provided wherein the distal ends of said bristles have a shape which enables the bristles to move when a cutting blade or any other element comes into contact with them, without damaging them.

The utility model relates to the technical field of disassembly and assembly tools, in particular to a disassembly and assembly tool for a conical part with a radial hole, and mainly solves the technical problem that a disassembly and assembly tool matched with the conical part with the radial hole is lacked in the prior art. The tool comprises a long-strip-shaped body, and a mounting part and a dismounting part are arranged at the two ends of the body respectively. The mounting part and the dismounting part are both inferior-arc-shaped structures, a positioning pin is fixed on the inner side of one end of each inferior-arc-shaped structure, a cushion column is fixed on the inner side of the other end of each inferior-arc-shaped structure, the positioning pins are used for being inserted into radial holes of parts, and the end face, away from each inferior-arc-shaped structure, of each cushion column is an inclined face; and when the mounting part and the dismounting part rotate, the cushion columns are located on the front sides of the corresponding positioning pins in the rotating direction, and the slopes are attached to the conical surface section of the part. According to the tool, the thickness direction of the body can be basically parallel to the axis of the part through the matching of the positioning pin and the cushion column with the inclined plane, the stress is reliable, the operation is simple and convenient, the structure is simple, the cost is low, and the part cannot be damaged.

A tire 1 includes a pattern region 7 on at least a portion of an outer surface of a sidewall 3 of the tire 1, the pattern region 7 being visually distinguishable from a periphery of the portion. The pattern region 7 includes a plurality of protrusions 110 protruding from a reference surface 7a of the pattern region 7. Each of the plurality of protrusions 110 includes a concavity 111 having an inverted conical or inverted pyramid-shaped inner surface, a conical body portion 112 forming an outer periphery of the protrusion 110 and extending in a conical shape in a direction in which the protrusion protrudes from the reference surface 7a, and an outer edge portion 113 surrounding a periphery of the concavity 111.Each of the plurality of protrusions 110 has a protrusion height of 0.6 mm or more and 1.4 mm or less, and the concavity 111 has a depth within a range of 30% or more and 70% or less of the protrusion height.

The invention relates to a device (100) for fixing a rolling bearing (10) in a housing (1) of a motor vehicle, the rolling bearing (10) being arranged to be mounted around a rotating shaft (20), the fixing device (100) comprising:-a split ring (110) adapted to be mounted on an outer ring (13) of the rolling bearing (10) and comprising a convex outer surface (112), at least a portion of the convex outer surface has a frustoconical shape; -an insert (120) adapted to be fixed to the inner surface of the housing (1) and comprising a concave inner surface (122), at least a portion of the concave inner surface having a frustoconical shape nested in the convex outer surface (112) of the split ring (110), the portion of the convex outer surface (112) and the portion of the concave inner surface (122) having complementary shapes.

To prevent solid matter from being bounced out of a vacuum pump while preventing the solid matter from being deposited in a recess of a rotor.SOLUTION: A vacuum pump 1 comprises: a housing 2 having a suction port 13; a rotor 4 housed in the housing 2, and rotationally driven to suction and exhaust gas from the suction port 13; and a lid member 43 that covers a recess 41 of the rotor 4. The lid member 43 has a conical shape with a vertex T on the side closer to the suction port 13 and a bottom surface B on the side closer to the rotor 4. A bus bar of the conical shape includes a first curved part 43A having such a curve that an angle between a tangent to the bus bar and a gas flow direction D1 increases from near the vertex to near the bottom surface.SELECTED DRAWING: Figure 2

The present invention relates to a method for making an anvil roll, the method comprising the steps of: providing a cylindrically-shaped body consisting of a first material, wherein the first material is selected from the group consisting of: an iron alloy, an aluminum alloy, and a titanium alloy, and wherein the body comprises an outer circumferential surface; adding one or more metallic materials in the form of powder; and fusing, by applying power from a laser source, the one or more metallic materials to the outer circumferential surface of the body to form a plurality of protrusions having a conical or frustro-conical shape comprising tapering sides, from a broader base at the outer circumferential surface tapering outwardly towards a narrower tip or having a cylindrical shape.

This invention relates to a locking device for the connection between a reel and the end of a pipe in the roll-type laying of subsea pipelines. An annular groove is formed at the connection between the spherical and conical shapes of the initial end. A central hole and a conical hole are sequentially arranged along the pipe's axial direction from front to back inside the initial end. After a conical fixing block is welded to the end of the axial pulling cable, the axial pulling cable is passed through the central hole of the initial end, causing the conical fixing block to engage with the conical hole inside the initial end. Left and right clamps are located on opposite sides of the initial end and are engaged with the annular groove of the initial end, with the left and right clamps being securely connected. A fixing arm is connected to the end of the right clamp, and a fixing disc is securely connected to the end of the fixing arm. A lifting ring is connected to the end face of the fixing arm. This invention enables the connection and fixation of the pipe end to the reel during the roll-up process, ensuring a firm fixation, convenient operation, and facilitating subsea pipeline laying operations, thus improving work efficiency.

This application belongs to the technical field of synthetic diamond manufacturing equipment, specifically disclosing a pressurizing device for a six-sided press, comprising: a cage, the interior of which is provided with a regular hexahedral pressure chamber, each with a conical positioning countersunk hole on its inner wall; eight secondary anvils forming a regular hexahedral composite, the outer wall of which is provided with a frustum corresponding to the conical positioning countersunk holes; and an octahedral pressure chamber inside the regular hexahedral composite. The conical positioning countersunk holes and the conical surfaces of the frustums cooperate to uniformly decompose the concentrated load applied by the external pressurizing hammer into normal clamping force and radial constraint force. This ensures that under ultra-high pressure conditions of tens of GPa, the secondary anvil can only move centripetally along its axial direction, and cannot undergo radial slippage or torsion. This reduces the risk of stress concentration and anvil breakage caused by anvil surface misalignment, ensuring the geometric stability and reusability of the secondary pressurizing device under extreme conditions.

The invention relates to a non-contact dynamic seal (1) for sealing a radial gap (2), the seal (1) having an inner sealing body (10) and an outer sealing body (20), the outer sealing body having a receiving space for receiving the inner sealing body (10), the inner sealing body (10) having a conical basic shape and tapering in the form of a step, the outer sealing body (20) having a conical basic shape, the steps (11) of the inner sealing body are each defined by a radially outer surface (12) and an axially outer surface (13), the receiving space has a conical basic shape corresponding to the inner sealing body (10) and tapers in a step-like manner, the steps (21) of the receiving space are each defined by a radially inner surface (22) and an axially inner surface (23), the radially inner surface (22) is assigned to each radially outer surface (12), and the axially inner surface (23) is assigned to each radially outer surface (12). The radially inner surface and the radially outer surface are directly adjacent in sections in a non-contact manner so as to form a radial sealing gap (31), and an axially inner surface (23) is assigned to each axially outer surface (13), the axially outer surfaces and the axially inner surfaces being axially spaced apart, the axial outer surface (13) and the axial inner surface (23) each form a swirl chamber (32) for receiving a fluid, which are connected to each other by a radial sealing gap (31) as a throttle valve (31) for the fluid.

Indexable cutting tool (10) comprising a body (30) rotatable about an axis of rotation (C0), an interchangeable cutting insert (20) attached to the body (30), and a fastening element (40) that secures the cutting insert (20) to the body (30), wherein the fastening element (40) has a distal end part which is formed with a radially reducing conical surface (41), wherein the cutting insert (20) has an upper surface (24) and a lower surface (22), each in a rectangular shape, with a pair of longer sides (241, 243) and a pair of shorter sides (242, 244), and a side surface (25) connecting the upper surface (24) and the lower surface (22), wherein a cutting edge (21) is formed in a cutting edge section (241, 242, 243, 244) where the upper surface (24) and the side surface (25) intersect along the longer side (241), wherein the upper surface (24) is formed with a depression (23) which has a bottom (231), wherein at least a part of an inner wall surface of the depression (23) is a curved surface (232) which is curved towards a central axis (C2) of the depression (23), provided that a plane which has the central axis (C2) of the depression (23) and is parallel to the axis of rotation (C0) of the body (30) is taken as a first imaginary reference plane (IS1), and a plane which has the central axis (C2) of the depression (23) and is perpendicular to the axis of rotation (C0) of the body (30), is taken as a second imaginary reference plane (IS2), in the depression (23), when it is subdivided into four areas, a first, a second, a third and a fourth area (51, 52, 53, 54) by the first imaginary reference plane (IS1) and the second imaginary reference plane (IS2), the second area (52) being located on a central side closer to the axis of rotation (C0) of the body (30) and on a proximal side of the body (30) in the depression (23), the conical surface (41) of the fastening element (40) makes contact (X) with the curved surface (232) in the second area (52), and the fastening element (40) has a central axis line (C1) which is inclined in such a direction that a head part (42) is arranged closer to the midline and proximal side of the body (30) than the distal end part.

The utility model provides a wave absorbing unit and a wave absorbing structure, and relates to the technical field of electromagnetic wave absorbing materials. The wave-absorbing unit comprises a wave-absorbing main body and an end structure arranged at the top of the wave-absorbing main body. The wave absorbing body is in a pyramid frustum shape, and the end structure is in a conical shape. Or, the wave-absorbing main body is in a polygonal star frustum shape with a polygonal star-shaped cross section, and the end part structure is in a pyramid shape or a cone shape. Wherein the bottom surface of the end structure is connected with the top surface of the wave-absorbing main body, and the top surface pattern of the wave-absorbing main body is located in the bottom surface pattern of the end structure. The wave absorbing structure provided by the utility model adopts the wave absorbing unit. The wave-absorbing unit and the wave-absorbing structure provided by the utility model can improve the technical problem that the tip of the conical wave-absorbing material is easy to damage due to stress concentration and weak size in the prior art.

TITLE: DEVICE FOR STOPPING A LEAKAGE FLOW ON A FLUID PIPELINE The device (30) for stopping excess flow of a leak on a fluid pipeline comprises: - a seal holder having a tubular channel, - a lip seal that is leak-proof to the fluid flowing in the pipeline, - a plug (35) opposite the upstream end of the tubular channel, - an anchoring means configured to anchor the seal holder in the predetermined pipeline, and - a plug seat (34) mounted on the seal holder and having lateral openings for the passage of fluid towards the head (351) of the plug and towards the upstream end of the seal holder.The shutter head extends from a movable body (353) in a guide (32) comprising the return means (33) and wherein the shutter seat and the guide have, on their outer surface, a flow deflector (323, 342) configured to reduce fluid drag on the shutter head, this flow deflector being supported by the shutter guide and by the shutter seat and having a conical shape whose apex is located in the shutter guide. (Figure for abbreviation: Figure 4).

The invention relates to a blocking slide (38) for a pump, comprising: a rotor contact region (48) designed to abut against a wave-shaped rotor collar of the pump, in which the rotor contact region (48) comprises: a lateral rotor contact surface (50) designed to abut against a lateral surface of the rotor collar in each case; and an upper rotor contact surface (52) designed to bear against a radially outward shell surface of the rotor collar, the side rotor contact surfaces (50) being each embodied as a conically rounded surface, a first radius of curvature (R1) in a lower region of the side rotor contact surface (50) facing away from the upper rotor contact surface (52) is smaller than a second radius of curvature (R2) in an upper region of the side rotor contact surface (50) adjacent to the upper rotor contact surface (52).

The application belongs to the technical field of separation equipment, and specifically discloses a multistage centrifugal separation device, which comprises a separation tank, the middle part of which is in a cylindrical shape, the bottom part of which is in a conical shape, and the bottom part is higher at the periphery and lower in the middle. A first outlet is formed in the lowermost end of the bottom part, and a storage tank is connected below the first outlet. A plurality of liquid inlet holes are distributed on the conical surface, and each liquid inlet hole is inclined to the same circumferential direction. A second outlet is arranged on the joint ring of the cylindrical and conical shapes, and a first discharge valve is arranged on the second outlet. The top part of the separation tank is in a conical shape, is higher in the middle and lower at the periphery, and is provided with a fourth outlet. The edge of the conical shape vertically extends downwards to the middle part of the separation tank, and is combined with the cylinder in the middle part of the separation tank to form a settling space. The bottom part of the settling space is closed, and a third outlet is formed in the bottom part, and a second discharge valve is arranged on the third outlet. The application solves the problem that the existing centrifugal separation device cannot perform grading separation according to the size of solid particles.

This utility model provides a combined tool holder using an NT50 to Capto C5 converter, comprising an NT50 tool holder, a connecting plate, and a Capto C5 tool holder. The connecting plate has a first inner hole and a second inner hole. One end of the NT50 tool holder is used to simultaneously engage with the inner conical surface and end face of the spindle of a CNC turning and boring machine. The other end of the NT50 tool holder is fixedly connected to the connecting plate by multiple first bolts. The Capto C5 tool holder is fixedly connected to the connecting plate by multiple screws. The Capto C5 tool holder includes a core sleeve, which is inserted into the second inner hole and interference-fitted with it. The inner wall of the core sleeve is triangularly conical, with the edges of the triangularly conical cone evenly distributed circumferentially and forming arcs. A second bolt for fixing the tool is threaded into the second inner hole. This utility model can achieve a tool change time of less than 2 minutes, a tool change repeatability accuracy of less than 0.005 mm, excellent connection rigidity, and can achieve cutting operations with a length-to-diameter ratio of 5, meeting the requirements of cutting operations.

The invention relates to the technical field of water pump production, and provides a part welding clamp for water pump production. A motor is arranged at the bottom end of the workbench, and clamping structures are arranged on the two sides of the top end of the workbench. When the second cone-shaped body is inserted into the inner diameter of the flange, according to the characteristic that one end of the second cone-shaped body is conical, based on the inclined plane guiding characteristic of the conical surface, and when the conical end of the second cone-shaped body abuts against the inner hole wall of the flange, the spring is arranged between the three-jaw chuck and the mounting base through the self-adaptive attaching effect of the inclined plane; by means of the compensation characteristic of the spring, the height deviation of a part flange is automatically corrected, accurate calibration of the height position of the part flange is achieved, when the flange makes contact with the two ends of the water pump, the small difference between the flange and the centers of the two ends of the water pump is automatically adjusted, self-adaptive adjustment is achieved, the flange is automatically aligned when clamped with the two ends of the water pump, and manual repeated adjustment is not needed; therefore, the clamping work of automatic adjustment is completed.

A coil component includes a core, and projection is on a lower main surface of a top plate and a recess for receiving the projection is in a top surface of a flange portion in the core. The projection has a frustoconical shape, for example, and the cavity formed by the recess has a conical inner peripheral surface. An outer surface of the projection and a wall surface that defines the recess form guide surfaces which guide the projection into the recess and form first and second abutment portions, respectively, that are brought into abutment against each other. The abutment between the first and second abutment portions defines the termination end of the projection inserted into the recess with a gap between the lower main surface of the top plate and the top surface of the flange portion and aligns the top plate relative to the core.

The invention belongs to the technical field of conical barrel forming, and particularly relates to a conical barrel aligning device and method. The cone barrel aligning device comprises a first supporting assembly detachably connected with a first barrel, and the first supporting assembly is arranged on the first barrel in a sleeving mode and abuts against the outer wall of the first barrel; the two second positioning pieces are arranged on the first supporting assembly and correspond to the two first positioning pieces in a one-to-one mode, the second positioning pieces abut against the corresponding second positioning pieces, and the two second positioning pieces are aligned to the two first positioning marks; the second supporting assembly is detachably connected with the second cylinder, the second cylinder is sleeved with the second supporting assembly, and the second supporting assembly abuts against the outer wall of the second cylinder; and the two third positioning pieces are arranged on the first supporting assembly and correspond to the two first positioning pieces in a one-to-one mode, and the third positioning pieces abut against the corresponding first positioning pieces. According to the cone cylinder alignment device and method, accurate cone cylinder alignment can be achieved.

1. The name of this design product: positioning device. 2. Purpose of this design product: used to position workpieces with circular cross-sections, especially for positioning cylindrical, conical and frustum-shaped workpieces during assembly and transfer processes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

Device for rotating or rolling a filling material, comprising several rollers (2) rotatable about their respective longitudinal axes, which together form a longitudinally tapered roller body (1) enclosing a longitudinally tapered free space (3), wherein the rollers (2) are arranged circularly around the free space (3) with their first ends (4) and their second ends (5), with at least one rolling body (11) arranged in the free space (3) and rotatable about its longitudinal axis, the circumferential surface of which is in contact at least partially with the circumferential surfaces of at least individual rollers (2), and with a rotating device which engages with the first or second ends (4, 5) of the rollers (2), such that the rotating device causes all rollers (2) to rotate about their longitudinal axes and the filling material present in the free space (3) can be rolled into a covering material that can be introduced into the free space (3). is,so that a conically shaped product can be manufactured.

A valve (40) includes a side wall (41) formed along a surface of a conical shape. The housing (10) rotatably accommodates the valve (40) with the axis of the conical shape as the axial center (CL) and includes a port (13) extending through an outer wall (14) and an inner wall (16) of the housing (10). A sealing member (50) is provided between the inner wall (16) of the housing (10) and the valve (40) and includes a surface (51) on the housing (10) side that is in contact with a port periphery (131) of the inner wall (16) of the housing (10), and a surface (52) on the valve (40) side that is in sliding contact with the side wall (41) of the valve (40).The biasing member (60) urges the valve (40) toward the apex of the conical shape and maintains a state in which the side wall (41) of the valve (40) and the sealing member (50) are in sliding contact with each other during both rotation and stop of the valve (40), and maintains a state in which the inner wall (16) of the housing (10) and the sealing member (50) are in contact with each other.

The mortar body for the mill is made of ceramics and has a vitreous cutting blade having a surface made of glaze for improving sharpness.SOLUTION: A mortar of a mill device is composed of an annular outer blade 7 in which a spiral multi-thread inner peripheral blade 7a is formed on an inner peripheral surface, and a substantially conical inner blade 8 which is inserted into an inner peripheral hole of the outer blade 7 and rotationally driven and in which a spiral multi-thread outer peripheral blade 8a is formed on an outer peripheral surface. The base material of the outer blade 7 and the inner blade 8 is a ceramic material, and the surface of the base material has a glazed and baked vitreous skin that serves as a crushing blade. The cutting edge has an uneven surface formed by grinding ceramics and vitreous material.SELECTED DRAWING: Figure 5

The present invention aims to provide a method for manufacturing cylindrical glass with extremely small diameters without grinding and abrasion of the sides, and the cylindrical glass obtained by this method. A method for manufacturing cylindrical glass from a glass block includes: arranging three or more calendering rolls with cylindrical or conical tops such that their rotation axes intersect; rotating all the calendering rolls in the same direction; pressing the softened glass block into a gap formed at a position surrounded by the rotation axes by the rotation of the tops; and elongating and shaping the glass block into a cylindrical glass by being pressed. The cylindrical glass obtained by this manufacturing method is also described.

To improve performance of a blower having an impeller in which a shroud is disposed.SOLUTION: An impeller 1 of a blower 100 may rotate around a rotation axis J extending in an axial direction with a shaft 21 of a motor 2. A hub 11 of the impeller has a cone shape in which an outer diameter becomes smaller toward one side in the axial direction. A plurality of blades 12 extends from a radial outer surface of the hub to the radial outer side and is arranged in a circumferential direction and extends in at least the axial direction along the radial outer surface of the hub. A cylindrical shroud 13 encloses a portion at one side in the axial direction of each blade and the rotation axis and is connected to a radial outer end of the portion at the one side in the axial direction of the blade. An annular opening 30 is disposed on a radial inner surface of an impeller case 3 which encloses and houses the impeller. The shroud is disposed in the annular opening.SELECTED DRAWING: Figure 1A

The invention relates to a disintegrating ammunition belt for an automatic weapon. The ammunition belt consists of successively arranged, articulatedly connected links made of polymer materials. Each link consists of three cartridge clips connected to one another by a connecting member, the front and rear clips being arranged coaxially on one side of the connecting member at a distance greater than the width of the middle clip. The middle clip is arranged between the front and rear clips on the opposite side of the connecting member, thus forming an articulated connection between links, wherein a cartridge is placed in the front and rear clips of one link and in the middle clip of the successive link. The inner surface of the middle clip is configured in the form of two pairs of coaxial conical surfaces and two flat surfaces. The inner surfaces of the front and rear clips are configured in the form of a cylindrical or conical surface, the directrix of which is formed by a circle or by identical arcs connected by their ends and curving convexly away from the axis of rotational symmetry of the clip. The technical result is an improvement in the performance of the ammunition belt.

A paperboard plate having a truncated conical base construction is provided. The paperboard plate has a base the serves as the bottom of the paperboard plate. The base includes: a first transition radius; a conically extending planar surface located adjacent the first transition radius; a second transition radius located adjacent the conically extending planar surface; and a plateau located adjacent the second transition radius and opposite the conically extending planar surface; wherein the plateau truncates the conically extending planar surface.

The invention discloses a rotary kiln tail sealing structure and a rotary kiln applying the rotary kiln tail sealing structure. The problem that the sealing performance of a rotary kiln is insufficient is solved. The rotary kiln tail sealing structure comprises a conical movable ring, the conical movable ring is arranged on a rotary body of the rotary kiln and coaxially connected with the rotary center line of the rotary body, and one port of the conical movable ring is communicated with a feeding port in the tail of the rotary body; the conical fixed ring is arranged on a kiln tail feeding mechanism of the rotary kiln and matched with the conical surface of the conical movable ring in a sleeved mode, and the kiln tail feeding mechanism conveys materials into the feeding port through a feeding channel formed after the conical surface is matched in a sleeved mode; and the annular sealing structure is arranged on a pair of matching surfaces which are arranged between the conical movable ring and the conical fixed ring and are used for realizing sleeving and matching of the conical surfaces. The sealing surface size is reduced, the sealing area is reduced, and the air leakage problem is remarkably reduced.