170results about How to "Reduce indentation" patented technology

The tire construction and method of building a tire 10 comprises the steps of cylindrically applying a pair of radial cord reinforced sidewall plies 17a, 17b, fixing the axial spacing between the bead cores; applying a crown ply 50, turning up each sidewall ply 17a and 17b to overlap lateral edges of the crown ply 50; moving the carcass assembly 18 axially inwardly while shaping the carcass assembly 18 toroidially to form ply turnups 20a, 20b axially inwardly of the bead cores 26. The method further comprises the steps of applying one or more belt reinforcing layers to the carcass and first reinforcing layer and applying a tread to form a pneumatic radial ply tread tire.

The invention discloses a display panel. The display panel comprises a first substrate and a second substrate which are arranged oppositely. Multiple spacers are arranged between the first substrate and the second substrate at intervals, at least one spacer comprises a first supporting portion and a second supporting portion, the first supporting portion is arranged on the first substrate, the second supporting portion is arranged on the second substrate, the first supporting portion and the second supporting portion are fixedly connected, and the material for manufacturing the first supporting portion is smaller than the material for manufacturing the second supporting portion in elasticity modulus. The invention further discloses a display device and a manufacturing method of the display panel. By the adoption of the display panel, the problem that in the prior art, a supporting force is weak due to the pressure resisting capability of the spacers and the like and accordingly the display panel easily produces indentations is solved.

The invention relates to a detachable hemisphere type base body of multiple pressure head board forming device, including a pillar (8), a pressure head (6); one end of the pillar (8) connects to the frame, the other end connects to the pressure head (6); the pressure head (6) is hemispheroid, the working face of the pressure head (6) is plane; a concave sphere support seat (7) is provided between the pillar (8) and the pressure head (6), the sphere portion of the pressure head (6) detachable connects to the concave sphere support seat (7). The pressure head (6) of the base body is not easy to incline when working, the pressing board surface is smooth with little impression.

The invention discloses a reconfigurable die. The reconfigurable die comprises a plurality of closely arranged hydraulic telescopic units and a hydraulic system connected with the hydraulic telescopic units, wherein each hydraulic telescopic unit comprises a pressure maintaining cylinder, a telescopic unit hydraulic valve, a hydraulic cylinder and a pressure head; the hydraulic system comprises an oil inlet line, a pressure maintaining oil line and a regulating valve used for switching between the oil inlet line and the pressure maintaining oil line. The invention also discloses a forming device for the reconfigurable die. A die point control mechanism is used for performing point control over the hydraulic telescopic units in the configurable die to form required curved surfaces. The reconfigurable die is low in cost and high in efficiency; through the closely arranged hydraulic telescopic units, unit contact points of the reconfigurable die and parts are increased, the smoothness of the curved surfaces formed by the reconfigurable die is improved, folds and indentation of punched parts can be reduced, internal residual stress of plates after punching is reduced, and the reconfigurable die is favorable for industrial popularization and application.

The invention belongs to the technical field of metallurgical industry equipment, and discloses a hydraulic shear pressing device of an aluminium sheet strip rolling mill, which is provided with an upper knife rest body provided with a heavy hydraulic shear; a pressing device is installed on the upper knife rest body; the pressing device consists of a hydraulic cylinder, guide posts and a press plate, wherein the press plate has a through long structure, the hydraulic cylinder is arranged on the hydraulic cylinder, the two guide posts are respectively positioned at the left and the right sides of the hydraulic cylinder, each guide post passes through a guide post hole arranged on the upper knife rest body, and the lower ends of the guide posts are connected with the press plate by flanges; a piston rod of the hydraulic cylinder is connected with the press plate by a ball head and a buffer device; and the press plate is driven to move downwards by the hydraulic cylinder and is contacted with the material so as to firmly press and fix the material. As the hydraulic cylinder is adopted to drive the press plate to press the material, little impression is generated on strip material, the heavy hydraulic shear can be ensured to work normally regardless of the width of the strip material, and the working effect is good.

The present invention relates to a polarized light board structure which is provided with a polarized light layer, a first optical film and a second optical film, the first optical film is formed above the polarized light layer and the second optical film is formed below the polarized light layer, wherein, at least one optical film selected from the first optical film and the second optical film is polymethyl methacrylate optical film. Into the bargain, the optical film is formed by pasting the mixed solution to the polarized light board and doing heat treatment when penetrating the mixed solution and distributing on the substrate to prepare for making have finished, or the optical film is formed by penetrating the mixed solution and distributing on the substrate and doing thermal treatment.

The tire includes a first and second axially-spaced bead core, a carcass having at least one belt extending under a tread, and a first ply layer having first and second ends, a first end is located axially outside and adjacent a first bead core, and a second end that is located axially outside and adjacent a second bead core. The carcass further comprises first and second shoulder ply layers each shoulder ply layer having first and second ends, a first end is located under the tread belt, the shoulder ply extending down the side wall region with the second end folding from a position axially outside a respective bead core to a position axially inside and around the bead core. The carcass further comprises an additional reinforcement layer which wraps around the bead and is preferably positioned between the shoulder ply and the first ply layer, although not required.

According to a mechanical assembly drum assisting turn-up of tire embryo seam allowance and a method for realizing assisted turn-up provided in the invention, rubber ring structures capable of swelling when inflated are arranged at the interior and exterior side of the tire embryo seam allowance and form into capsules after inflation to realize internal and external extrusion to the part of seam allowance, thereby improving quality of turn-up and compaction of the tire embryo seam allowance. The invention enables the operation of wrapping and compacting directed to the part of seam allowance to be realized and bubbles in the interior and exterior side of the tire embryo seam allowance to be completely eradicated, thereby substantially enhancing quality of turn-up of the part of the seam allowance. The mechanical assembly drum has a hollow cylindrical main shaft and a driving shaft which drives a locking piece assembly and a finger type turning up means for reciprocating motion; a rubber ring, which is connected with a locking piece unit and forms a closed ring structure around the periphery of the main shaft, is provided on the top of a locking piece cylinder body; two ends at the exterior side of the rubber ring are respectively fixed on the interior and exterior side of the locking piece cylinder body; a breather pipeline of the locking piece cylinder body communicates with the interior of the rubber ring. When the rubber ring is inflated, internal and external capsules are formed for direct wrapping, compacting and venting of the part of the seam allowance.

The invention discloses an escalator with an Euler handrail driving system. The escalator comprises a frame body, a handrail band and a friction wheel, wherein the friction wheel is arranged in the frame body and in contact with the handrail band, the escalator further comprises two roller groups which are oppositely arranged on two sides of the friction wheel and compress the handrail band, one side is the fixed side, the other side is the regulation side, one end of the roller group positioned on the fixed side is fixed with the frame body through a fixed steel angle, the other end of the roller group is fixed with the frame body through a puller bolt, and one end of the roller group positioned on the regulation side is fixed with the frame body through a connecting steel angle; and the escalator also comprises a pull rod, one end of the pull rod is fixed with the middle part of the roller group positioned on the regulation side, the other end of the pull rod penetrates through a steel angle fixed on the frame body, an external thread is arranged on the part, which penetrates out of the steel angle, of the pull rod, and a clamping part with an internal thread is further sheathed on the part. According to the invention, the abrasion and pressure marks of the handrail band can be effectively reduced, the service life of the handrail band is prolonged, and the performances of the whole machine are greatly improved.

The invention discloses a method for manufacturing a high-accuracy pure titanium rod. The method includes the steps of blank preparation, blanking, cogging-down forging, deformation processing, annealing, thermal straightening, lathe machining, piece finishing and finished product packaging inspection. During lathe machining of a rod, diameter of the rod can be directly machined to be in the size of a finished product rod, and waste chips generated during turning of the rod can be recycled, so that economic value is increased; heating temperature is low during finishing, so that influence on metallographic structure of the rod is small, service life of the rod is prolonged, and mechanical strength of the rod is improved; due to low heating temperature, oxidation scale on the surface of the rod is extremely thin, total indentation of the rod is small during straightening, grinding is not needed after straightening, and requirements, on coarseness of 1.6 micrometers and size tolerance, of the finished product rod can be met by directly polishing for two times.

The invention provides a method for preparing high-accuracy titanium and titanium alloy bars. The method comprises the steps of preparing a blank, blanking, cogging and forging, performing deformation processing, annealing, hot straightening, turning, finishing, and inspecting a finished product and packing. According to the method, the bars are turned before finishing treatment, the diameter of the bars can be directly processed into the size of finished bars, sweeps generated by turning the bars can be recycled, and the economic value is high; the heating temperature is low during finishing treatment, metallographic structures of the bars are influenced a little and nearly not changed, the service life of the bars is prolonged, and the mechanical strength of the bars is enhanced; meanwhile, because the heating temperature is low during finishing treatment, oxide skins on the surfaces of the bars are very thin, the indentations of the integral bars are small in the straightening process, the bars are not required to be ground after straightening, directly enters a polishing machine and are polished twice to meet the requirements of the finished bars on roughness 1.6[mu]m and size tolerance.

The present invention provides a cobalt regulating rod assembly core block extrusion molding process, which is carried out as follows: (1) using powder metallurgy method to form a cobalt green body; (2) sintering and turning the cobalt green body to the extrusion required Size; (3) put the cobalt green body into the mold and extrude it into a cobalt rod; (4) cut the extruded cobalt rod to obtain a cobalt pellet of the required size; (5) anneal and dehydrogenate the cobalt pellet ; (6) finishing the cobalt pellets to the required size; (7) cleaning the cobalt pellets, and then performing nickel plating. Through the extrusion molding of the method of the present invention, the cobalt regulating rod core block with smooth surface and high and uniform density is prepared, which saves manpower and material resources, reduces mold manufacturing and maintenance costs, and at the same time, the density of the cobalt regulating rod core block is also improved The 8.6g/cm3 increased to 8.7g/cm3.

The invention provides an annular drill pipe power tong. The annular drill pipe power tong comprises a base and a clamping mechanism; the base comprises a central through hole; the clamping mechanism comprises a driving assembly, a gland assembly that can be driven by the driving assembly to move in an axial direction of the central through hole, a plurality of power tong slips distributed in a circumferential direction of the central through hole, and a connecting rod, wherein one end of the connecting rod is hinged to the gland assembly, while the other end of the connecting rod is hinged to the power tong slips; when the driving assembly drives the gland assembly to move in the axial direction of the central through hole, the gland assembly is capable of driving the power tong slips to close in or expand in a radial direction of the central through hole through the connecting rod. The annular drill pipe power tong is capable of clamping a drill pipe in a continuously circular drilling process, and providing enough clamping force to the drill pipe to ensure no relative sliding between the annular drill pipe power tong, the drill pipe and the clamping mechanism after the drill pipe is clamped and to guarantee that an indentation of the drill pipe is as small as possible.

The invention discloses a forming mold used for a refrigerator door shell and a forming method of the refrigerator door shell. The forming mold comprises an upper supporting plate, a lower supporting plate, a first sequence mold body and a second sequence mold body; the first sequence mold body and the second sequence mold body are installed between the upper supporting plate and the lower supporting plate in a front-back side-by-side manner; the first sequence mold body comprises upper cushion legs, a spring, an upper mold base, lower cushion legs, a nitrogen spring, a lower mold base and a forming lower mold main body; and the second sequence mold body comprises an upper cushion leg II, a nitrogen spring II, a spring II, an upper mold base II, a lower cushion leg II and a lower mold base II. The structure is simple and reasonable. The forming method is efficient and reliable, original four procedures are changed into two procedures, the labor cost is reduced, the production cost is reduced by 70%, errors and pressing marks are reduced, and the percent of pass of products is increased by 50%.

The invention discloses an integrated wallboard cutting device and a cutting method thereof. The cutting device comprises a bottom plate, fixing frames, a clamping device, a protective plate and a cutting device body. The upper end of the bottom plate is symmetrically provided with the fixing frames. The fixing frames are connected to the bottom plate in a sliding fit mode. The cutting device andmethod can solve the problems that when integrated wallboards are cut at present, processing cannot be adjusted according to the change of the size of the integrated wallboards, when the integrated wallboards are clamped and fixed, the surfaces of the integrated wallboard are prone to being indented, consequently, the surface decorative layers of the integrated wallboard are damaged, the integrated wallboards cannot be supported internally, the integrated wallboards are damaged internally due to excessive clamping force, meanwhile, when existing equipment cuts the integrated wallboards, the surfaces of cuts cannot be protected, cracks or breaks are liable to occur to the cut surfaces, then materials are scrapped, cutting waste cannot be recycled during cutting, and the environment is impacted.

The invention discloses a non-indentation adhesive welding connection method for metal plates, and the method is implemented through the following steps that: an adhesive mixed with metal particles is coated between two layers of horizontally-placed metal plates; the two layers of metal plates gradually pass through a space between a roller electrode couple on which a welding current is exerted, so that a closed loop is defined by roller electrodes, the metal plates and the metal particles so as to achieve metallurgical interconnection; finally, after the adhesive is cured, an effect of non-indentation fixed connection is achieved. The method disclosed by the invention can be used for significantly improving the peel strength of joints and eliminate spot welding indentations, and also can be applied to the connection of heterogeneous metal sheets, and the normal tensile strength of processed metal plates can reach about 7000 N.

The invention relates to a plastic film cutting device. The plastic film cutting device comprises a working table, a clamping device and cutting devices, wherein the clamping device is arranged on theworking table; and the cutting devices are equidistantly arranged on the upper end surface of the working table from left to right. According to the plastic film cutting device and a cutting processing method, a plastic film is cut by adopting the design concept of multiple clamping, so that the stability of the entire plastic film is improved, the entire plastic film is in a non-relaxed state, and furthermore, the precision and efficiency of plastic film cutting are improved; and meanwhile, a pre-cutting structure and a cutting structure are combined for cutting the plastic film so as to improve the quality of plastic film cutting.