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1029results about How to "Avoid wrinkles" patented technology

Process for producing a curved laminated safety glass sheet

This invention concerns a process for producing a curved, laminated safety glass sheet from a first curved glass sheet (1), a first laminated layer (2), a thermoplastic substrate sheet (4) with a biaxially drawn thin-layer system (3), a second laminated layer (5), and a second curved glass sheet (10) conforming to the first one. To avoid formation of folds in the substrate layer, the process has the following steps: (a) a prelaminated sheet consisting of the first laminated layer (2) and the substrate sheet (4) is superimposed with its laminated layer facing the first glass sheet, (b) a bend-resistant cover sheet (10) conforming to the first glass sheet (1) is superimposed on the prelaminated sheet, (c) the glass layer packet formed out of the first glass sheet (1) and the prelaminated sheet with the cover sheet (10) superimposed upon it is preliminarily bonded by removing the air and subjecting it to pressure and heat, (d) the cover sheet (10) is removed, (e) the second laminated layer (5) and the second glass sheet (10) are superimposed on the preliminarily bonded glass-film pocket, (f) the laminate so formed is preliminarily bonded by removing the air and subjecting it to pressure and heat, (g) the preliminarily bonded laminate is finally bonded into a laminated safety glass sheet by subjecting it to pressure and heat.
Owner:PILKINGTON AUTOMOTIVE DEUT GMBH

Pipe cavity bracket

ActiveCN105496603AAvoid wrinklesAvoid blood blockageStentsBlood vesselsBlood streamCavity wall
The invention discloses a pipe cavity bracket. The pipe cavity bracket comprises a first pipe body and a second pipe body which sleeves the first pipe body, wherein at least one end of the second pipe body is in sealed connection with the outer surface of the first pipe body; in a radial supporting section of the pipe cavity bracket, the first pipe body comprises at least one first radial supporting structure which is arrayed along the peripheral direction of the first pipe body; the second pipe body comprises at least one second radial supporting structure which is arrayed along the peripheral direction of the second pipe body and a covering membrane covering the second radial supporting structure; a radial deformation capability of the second radial supporting structure is greater than that of the first radial supporting structure. After the pipe cavity bracket is planted, a semi-sealed gap can be formed between the first pipe body and the second pipe body or between the second pipe body and a pipe cavity wall; blood flowing into the gap can be used as a filling material to block an I type inner leakage channel, so that the blood is prevented from flowing into tumors or an interlayer. Under the impact of the blood, the first pipe body and the second pipe body both can keep a radial supporting shape and the end faces of near ends of the first pipe body and the second pipe body are not deformed, so that the blood flowing into the pipe cavity is prevented from being blocked.
Owner:LIFETECH SCIENTIFIC (SHENZHEN) CO LTD

Forming method of thin-wall nut

The invention discloses a forming method of a thin-wall nut. The forming method comprises the following steps: (1) treatment of raw materials, namely aligning wires used as the raw materials by virtue of a cold upsetting machine, conveying the aligned wires to a material cutting mechanism and cutting the wires into small sections of wire blanks; (2) primary upsettig, namely putting the small sections of wire blanks into a female die, performing end surface reshaping on the wire blanks by virtue of a reshaping punch and the female die, so as to obtain a cylinder and frustum combination body; (3) pre-upsetting, namely overturning the blank subjected to primary upsetting so as to enter into a cavity of the female die, and reshaping the blank as a mushroom shape; (3) semi fine supsetting, namely forming a tray part by use of a semi fine upsetting die and forming pre-upset holes; (5) fine upsetting, namely deepening the hole by virtue of a fine upsetting die; (6) punching; (7) threading. According to the forming method disclosed by the invention, a wire upsetting process is used for replacing a sheet material deep-drawing process, area deformation is replaced by volume deformation, and various problems such as drawing breakage and wrinkling caused by area formation in the deep-drawing process can be effectively avoided.
Owner:AVIC STANDARD PARTS MFG

Composite inner and outer hydraulic pressure forming method for high-branch height thin-wall three-way pipe

ActiveCN102921792AReduce frictionImprove axial critical wrinkling stressInternal pressureHigh pressure
The invention discloses a composite inner and outer hydraulic pressure forming method for a high-branch height thin-wall three-way pipe, belongs to the technical field of inner high pressure forming and aims to solve the problem that the branch height of the formed three-way pipe is limited in the conventional inner high pressure forming method. The method comprises the following steps of: filling liquid media inside a pipe billet and discharging gases through a supercharger, and moving a left-side punch and a right-side punch forwards to finish pipe end seal, so that inner pressure of the pipe billet is insufficient, and the pipe billet deforms; filling liquid media on the outer side of the pipe billet through holes on a die, wherein outside hydraulic pressure is sealed by a sealing groove on the die and a sealing ring on the punch, so that the pipe billet has plastic deformation under the action of inner pressure, outer pressure, axial feeding of the left and right punches and retreating of the branch punch, and obtaining the high-branch height three-way pipe. Compared with the traditional inner high pressure forming method, the method has the advantages of high branch pipe height and high pipe surface quality, and is particularly suitable for thin-wall three-way pipe forming.
Owner:抚顺三方机械制造有限公司

Flexible display panel and flexible display device

The invention provides a flexible display panel and a flexible display device. The flexible display panel comprises a display panel body and a flexible supporting layer, wherein the flexible supporting layer is attached to the backlight surface of a bending area, so that the flexible supporting layer and the display panel body form an integral part; and when the flexible display panel is bent, thehardness of the flexible supporting layer is relatively soft, and bending of the display panel body is not affected. When the flexible display panel is unfolded, at the moment, the hardness of the flexible supporting layer is greater than the hardness of the flexible supporting layer when the display panel body is in the bent state, and the flexible supporting layer is used for providing the supporting force for the bending area, so that the display panel body can be flattened; and meanwhile, due to the fact that the flexible supporting layer and the display panel body are arranged in a laminated mode, relative sliding therebetween is avoided under the bending and unfolding process, so that the surface of the flexible display panel is always in a flat state, wrinkles of the flexible display panel are avoided, and then the display effect of the flexible display panel is improved.
Owner:YUNGU GUAN TECH CO LTD

Lithium ion battery and formation method thereof

The invention discloses a lithium ion battery formation method. A negative electrode active substance of a lithium ion battery comprises a lithium-rich manganese-based positive electrode material. Theformation method includes at least three times of charge-discharge cycles; in the two former charge-discharge cycles, charge cut-off voltage is lower than 4.4V, discharge current is higher than charge current, and the second-time charge current is higher than the first-time charge current; in the last charge-discharge cycle, the charge cut-off voltage is not lower than 4.4V, and the charge current is not lower than the second-time charge current. By the step voltage charge-discharge formation method, a stable SEI film can be formed on the surface of a negative electrode in repeated low-voltage charge-discharge processes while a stable CEI film is formed on the surface of a positive electrode, side reaction between electrolyte and an electrode piece can be inhibited, gas generation is reduced, and accordingly the problem of battery swelling is solved. In addition, by the method, structural stability and capacity exertion of the lithium-rich manganese-based positive electrode material under a high voltage can be improved, and the cycle performance and the energy density of the battery are improved as well.
Owner:CHINA AUTOMOTIVE BATTERY RES INST CO LTD

Double-point coating production line for hot-melt adhesive padding cloth

The invention provides a double-point coating production line for hot-melt adhesive padding cloth, and the double-point coating production line comprises a cloth reception device, a wind shielding screen, a size discharging roller, a holt-melt rubber powder blowing/sucking device, a drying oven, a cooling device, an ultraviolet lamp perching device and a rolling device which are arranged in sequence from front to back, wherein the cloth reception device comprises a cloth reception underframe, a lower pressing mould which is arranged on the cloth reception underframe and an upper pressing mould which is arranged on the cloth reception underframe and matched with the lower pressing mould in a lifting manner to crimp padding cloth; the wind shielding screen comprises a screen underframe and a screen plate which is arranged on the screen underframe; the size discharging roller comprises a discharging roller main body and a discharging hole which is formed in the discharging roller main body; and a scraper is arranged in the discharging roller main body. According to the double-point coating production line for hot-melt adhesive padding cloth, the unrolling speed of the padding cloth is increased, the continuous production is realized, the work efficiency is improved, the production cost is reduced and the quality of the padding cloth is improved.
Owner:HANGZHOU AOKE GARMENT ACCESSORIES

Display panel and display device

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and can solve the problem that an optical sensor cannot perform sensing due tolow light transmittance at the position, corresponding to the optical sensor, in the display panel. In the display panel, a pixel region comprises a first pixel group and a second pixel group which are continuous in the row direction and the column direction and are periodically arranged; each of the first pixel group and the second pixel group comprises at least two sub-pixels which are continuously arranged in the row direction and have different colors; a light-transmitting area comprises third pixel groups which are arranged at intervals in the row direction and the column direction; eachof the third pixel groups comprises at least three sub-pixels which are arranged in the row direction and have different colors; the difference value between the row number of any sub-pixel in the third pixel group and the row number of any sub-pixel in the pixel region, which is located in the same column as the sub-pixel and has the same color as the sub-pixel, is an integral multiple of M, wherein M is the difference value of the row numbers of every two adjacent sub-pixels of the color in the pixel area in the column direction.
Owner:BOE TECH GRP CO LTD +1

Overflow dyeing system of gas flow atomization dyeing machine and water using method thereof

The invention relates to an overflow dyeing system of a gas flow atomization dyeing machine and a water using method thereof. The overflow dyeing system is characterized in that a filter mesh I is arranged between a main pump and a heat exchanger in a matching manner, the output pipeline of the heat exchanger is connected with an overflow spray nozzle through an overflow spray nozzle connecting pipe valve, and the overflow spray nozzle is positioned above a gas flow spray nozzle; and an additional pump is connected and arranged on the pipeline of the main pump in parallel, and a connecting valve I and a connecting valve II are arranged and connected on two end pipelines connected with the additional pump. By adopting the overflow dyeing system, the electricity consumption can be effectively saved, and the limitations in dyeing by a gas flow dyeing machine can be solved. The overflow dyeing system simultaneously has the gas flow and overflow dyeing systems, thereby avoiding wrinkling of terylene and other gray cloth when passing through high-temperature gas flow at the temperature of 130 DEG C for dyeing, further reducing the electricity consumption consumed by a fan when drying by the high-temperature gas flow, saving energy and expanding the range of applications of the dyeing machine.
Owner:ZHEJIANG YINHE PRINTING & DYEING

Side hole punching die

The invention discloses a side hole punching die, and relates to a stamping die. The die comprises an upper die holder, a lower die holder, a die handle, a male die and a female die, wherein two sides of the upper surface of a fixed plate of the female die corresponding to a female die hole are respectively provided with a chute, a slanted slide block and a stop block; the male die is arranged at a position of the slanted slide block close to the lateral surface of the female die corresponding to the female die hole; a rubber press block is coated on the surface of the lateral wall of the male die; a guide hole is formed on the stop block; a pull rod passes through the guide hole and is fixedly connected to the end face of the slanted slide block far from the female die, and the end of the pull rod far from the slanted slide block is provided with a stopper; a return spring is arranged on the pull rod between the stopper and the stop block; slanted wedges matched with the slanted slide block are arranged at two ends of the upper die holder corresponding to the slanted slide block; a wear-resistant pad is arranged on a working inclined plane of each slanted wedge; and a guide block is arranged on the lateral surface of the stopper corresponding to each slanted wedge. In the side hole punching die, two symmetrical holes on the lateral wall of a workpiece can be formed at one time without repeated positioning, so that the production rate and the product accuracy are improved.
Owner:王良全

Tension-adjustable textile fabric winder based on Hooke law principle

The invention relates to the technical field of textile fabrics, and discloses a tension-adjustable textile fabric winder based on a Hooke law principle. The tension-adjustable textile fabric winder based on the Hooke law principle comprises a support frame, wherein a cloth guiding plate is fixedly connected to the inner part of the support frame; an unfolding frame is movably connected to the toppart of the cloth guiding plate; an unfolding shaft is movably connected to the inner part of the unfolding frame; an unfolding wheel is fixedly connected to the outer part of the unfolding shaft; afirst bevel gear is fixedly connected to the outer part of the unfolding shaft; a second bevel gear is connected to the outer part of the first bevel gear in a meshing way; a rotary shaft is fixedly connected to the inner part of the second bevel gear; a main gear is fixedly connected to the outer part of the rotary shaft; and a fixed cloth guiding roller is movably connected to the inner part ofthe support frame. Through the cooperative use of the cloth guiding plate and the unfolding wheel, a fabric is fully ensured to be unfolded and spread on the surface of the cloth guiding plate in therotation process of the unfolding wheel, the fabric is effectively prevented from being wrinkled and imprinted, and the fabric is fully ensured to be wound flatly.
Owner:陕西秦塬纺织有限公司

Expansion type cable-rod-film combined emergency bridge

The invention relates to a unfolding type cable-rod-film combined emergency bridge, which consists of a plurality of bridge units; each bridge unit consists of a cable-rod-film composite beam, a bridge faceplate and supports; the cable-rod-film composite beam is mounted in the groove of the supports; and the bridge faceplate is mounted on the cable-rod-film composite beam; the cable-rod-film composite beam consists of a top boom, a bottom boom, a low pressure inflated air bag and a stay cable; the top and the bottom boom are disposed on the upper and lower side of the beam; the low pressure inflated air bag is disposed in the middle of the beam; the stay cables are disposed on both sides of the beam; the bag is disposed on the bottom boom; the top boom is disposed on the bag; cross section of the top and the bottom boom and the low pressure inflated air bag is superposed with the vertical symmetrical axis; the cables are winded individually along both sides of the rod and passed through the node ring disposed on the rod side, and fixed by tightening the cables on both sides to connect the cable, the rod and the low pressure inflated air bag into one integral body. The novel emergency bridge achieves the advantages of extremely light weight, convenience for storing and carrying and rapid installation, and has high practical value and broad application prospect.
Owner:BEIHANG UNIV
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