33results about How to "No side leakage" patented technology

The invention provides an anti-side leakage sanitary napkin, which includes a surface non-woven fabric and a bottom impermeable membrane disposed from the inside out. The surface non-woven fabric has a three-piece structure, the intermediate piece of surface non-woven fabric and the two-wing surface non-woven fabrics are sticked together, and the space between the intermediate piece of surface non-woven fabric and the bottom impermeable membrane is filled with a toilet paper coated wood pulp cellulose absorption core. The surface of the sanitary napkin provided by the invention is composed of 100% polylactic acid fiber or PLA/PBHV fiber hot blast nonwoven fabric. The polylactic acid fiber retains the original characteristics and does not cause any damage. As polylactic acid is formed by polymerization of lactic acid molecules as monomers and spinning, polylactic acid molecules with short molecular chains possibly exist on the fiber surface, so that the pH value of a polylactic acid non-woven fabric surface shows weak acidity and is consistent with that of human body skin. Also an odor removal function is provided. The lateral two pieces of non-woven fabrics have greater gram weight and thickness than the intermediate piece, and side leakage cannot be caused.

The invention relates to a filter core manufacture field. The invention discloses a laser edge bonding machine used for plastic films and non-woven fabrics composite filter paper. The invention comprises a laser device, a composite filter paper transmission device, a bracket system, a smoke pumping device and a loading/unloading device. The laser device and the composite filter paper transmission device are supported by the bracket system; the laser device is arranged above the composite filter paper transmission device; the smoke pumping device is arranged above the composite filter paper transmission device and below the laser device; the loading/unloading device is arranged on the side surface of the bracket system. The edge bonding heating of the invention has the advantages of high efficiency, high processing speed and simple structure.

The invention discloses a polymer composite core for a paper diaper and a preparation method of the polymer composite core, and relates to the polymer composite core. The polymer composite core is provided with a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer, and is in composite connection with the non-woven fabric surface layer and the non-woven fabric bottom layer through hot-pressing or an adhesive and hot-pressing, water absorbing resins are permeated uniformly inside the bulky non-woven fabric layer, and surfaces of the non-woven fabric surface layer and the non-woven fabric bottom layer are both provided with knurling. Or the polymer composite core is provided with a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer, and is in composite connection with the non-woven fabric surface layer and the non-woven fabric bottom layer through an adhesive, the water absorbing resins are permeated uniformly inside the bulky non-woven fabric layer, and the surfaces of the non-woven fabric surface layer and the non-woven fabric bottom layer are both provided with knurling.

The invention belongs to the field of light emitting diode devices and particularly relates to a transparent flexible GaN nanorod array light emitting diode device and a manufacturing method thereof.The transparent flexible GaN nanorod array light emitting diode device comprises a transparent flexible substrate, a graphene first transparent flexible electrode, a GaN nanorod array, a graphene second transparent flexible electrode and a transparent flexible material sequentially from bottom to top, wherein the GaN nanorod array comprises n-type GaN, an InGaN/GaN multilayer quantum well and p-type GaN sequentially from bottom to top. Due to the GaN nanorod array in a vertical structure, side leakage similar to a core/shell structure is not caused, and due to a graphic transfer technology forphotolithography, the light emitting nanorod array is regularly arranged and can be arranged to light emitting points of any graph; as the nanorods are vertical and have the uniform lengths, almost all light emitting points emit light, and the light emitting efficiency of the LED can be greatly improved; and the graphene is used as an electrode and a current diffusion layer, the GaN nanorod arrayLED can be bent and can be in a transparent state in a non working state.

The invention provides a black sanitary towel. The black sanitary towel comprises a sanitary towel body, and the sanitary towel body comprises a surface non-woven fabric layer, an absorption core anda bottom impermeable membrane from top to bottom in sequence; the surface non-woven fabric layer comprises a middle sheet, retaining walls and side wings; the middle sheet is arranged in the middle ofthe surface non-woven fabric layer and used for cooperating with the bottom impermeable membrane and completely wrapping the absorption core; the side wings are arranged at the two sides of the surface non-woven fabric layer and used for fixing the sanitary towel body; the retaining walls are arranged at the two sides of the middle sheet and used for preventing an absorbed material which is absorbed by the middle sheet or the middle core from leaking from the sides; the side wings are fixedly connected with the middle sheet through partial retaining walls; the surface non-woven layer and thebottom impermeable membrane are both black. The black sanitary towel can meet the basic requirement of sanitary towels and have the advantages of bacterial inhibition, odor removal, moisture absorption and ventilation, soft and comfortable performance and complete degradation.

The invention relates to the field of hygiene products, and provides a hygiene product containing a controllable local hydrophilic pure cotton non-woven fabric and a preparation method of the hygieneproduct. The problems that a surface layer of a hygiene product in the prior art is strong in moist feeling, large in absorbed liquid retain amount and not dry and comfortable are solved. The preparation method comprises the steps of preparation of the surface layer, an absorbent body and a liquid-impermeable primer layer and integration of the obtained surface layer, the absorbent body and the liquid-impermeable primer layer into one body, and the surface layer is the controllable local hydrophilic pure cotton non-woven fabric; and the preparation steps of the controllable local hydrophilic pure cotton non-woven fabric are that (1) feeding of the pure cotton non-woven fabric is carried out, specifically, the pure cotton non-woven fabric is placed on a unwinding mechanism for feeding; (2)a hydrophobic oil agent is applied on the pure cotton non-woven fabric, theliquid applying amount is controlled at 0.5-3gsm; and (3) drying is carried out, and then the material is subjected to the next treatment process.

The invention discloses a sealing method for impermeability test of concrete. The method comprises the following steps: step 1, maintaining a truncated-cone-shaped test block used for impermeability test, taking the test block in one hour before the impermeability test, cleaning the side surface of truncated-cone-shaped test block by wiping and removing burrs; step 2, uniformly smearing the side surface of truncated-cone-shaped test block with a weather-proof neutral silicone adhesive so as to form an annular sealing adhesive strip; step 3, cleaning a test block sleeve by wiping, sleeving the test block smeared with the weather-proof neutral silicone adhesive with the test block sleeve; step 4, spraying the weather-proof neutral silicone adhesive into gaps formed in joint of the test block and test block sleeve, flattening and compacting the gaps so as to form an annular adhesive ring on the surfaces of the gaps and carrying out indoor standing for 5.5 to 6.5 h until the annular adhesive ring on the surfaces of the gaps, thereby obtaining a treated test block; and step 5, loading the treated test block on an impermeability instrument for impermeability test. The method provided by the invention improves the efficiency of the impermeability test of concrete, reduces work intensity of testing personnel, saves cost and decreases environmental pollution.

The invention discloses a method for manufacturing a sanitary towel with three-dimensional leakproof enclosures. The method comprises the steps that S1: a first covering device bends the left enclosure and the right enclosure downwards along a first covering position A for primary covering; S2: an absorbent body is laid on a first uncovered section b1 of each enclosure; and S3: a third covering device bends the first uncovered sections b1 upwards along a third covering position C for ternary covering. Each three-dimensional leakproof enclosure manufactured with the method comprises an inner double-layer protection edge, an outer double-layer protection edge and a bent portion. The sanitary towel comprises the enclosures, the enclosures are arranged on the left side and the right side of the absorbed body of the sanitary towel, and the absorbent body comprises a leakproof bottom layer, an absorbent core and a liquid-pervious surface layer which are arranged from bottom to top in sequence. Compared with the prior art, the sanitary towel has the advantages of being good in leakproof effect, comfortable in use and the like.

The invention provides a traditional Chinese medicine compounded liquid sanitary napkin. An inner core of the sanitary napkin is prepared from a novel liquid material through curing, mold pressing andscissoring, wherein the novel liquid material is prepared through mixing purified water, a traditional Chinese medicine extract and a nano super-absorbent polymer according to a certain ratio, carrying out emulsifying and carrying out homogenizing; and the traditional Chinese medicine extract is prepared from the following raw materials: herba leonuri, aloe vera, radix astragali, rhizoma Chuanxiong, artemisia argyi, cortex phellodendri, radix sophorae flavescentis, herba houttuyniae and fructus cnidii. The liquid sanitary napkin provided by the invention is dryer and clearer in surface layer,more superior in absorption property and free of side leakage; the menstruation absorption time of the liquid sanitary napkin is relatively short and is only 3 seconds on an average, and a consumer has skin-fitting feeling, comfort feeling and non-foreign sense in wearing; and meanwhile, the liquid sanitary napkin further has the actions of resisting bacteria, diminishing inflammations, relievingitching, regulating turbulence of vaginal florae, relieving primary dysmenorrhea, increasing the quantity of vaginal lactobacilli and improving immunologic functions of organisms, thereby being lovedand pursued by extensive female consumers.

The invention discloses a pixel structure and a liquid crystal display panel. The pixel structure includes a substrate, a first metallic layer, a first insulation layer and a transparent electrode layer; the first metallic layer is formed on the substrate, and includes patterns of gate lines; the first insulation layer is formed on the first metallic layer; the transparent electrode layer is formed on the first insulation layer; the transparent electrode layer includes first transparent electrodes; projections of the first transparent electrodes on the gate lines are positioned in local regions of the gate lines, i.e., parts corresponding to the gate lines, of the first transparent electrodes do not completely cover the gate lines. The liquid crystal display panel is a liquid crystal display screen having the pixel structure. The pixel structure can reduce the RC load of the gate lines, the voltage provided by the gate lines is more stable, and influence on the pixel charging rate is reduced. Influence of high-low potential generated by the powered-on gate lines on the transparent electrodes is reduced, lateral light leakage of the gate lines of the pixel structure is avoided, the aperture opening ratio of pixels is improved, and the display quality of the liquid crystal display screen having the pixel structure is improved.

The invention relates to an enema member device and an enema method. A fecal storing bag is communicated with a buffer bag, an infusion tube guiding hole is formed in the back of the buffer bag, and a fistulation hole is formed in the front of the buffer bag; one end of an infusion tube penetrates through the infusion tube guiding hole in the back of the buffer bag to extend out from the fistulation hole, and an air sac sleeve is arranged on the outer wall of the infusion tube extending out of the fistulation hole; a double-side adhesion ring is sleeved with the heel of the air sac sleeve, one side of the double-side adhesion ring is stuck to the fistulation hole in the buffer bag or skin all around an anus, and the other end of the infusion tube is a liquid inlet. The enema member device has the advantages that firstly, the fistulation hole in the buffer bag is in seal combination with the stoma of the skin of a human body or the anus, so that excrement and urine in returned liquid with pressure after enema can be effectively controlled and collected, and the phenomena that the excrement and urine and soiling solutions thereof are leaked and are splashed from the side surface are avoided; secondly, the device has a simple structure, low cost and lighter weight; thirdly, the device is convenient to carry for a patient; fourthly, the device has the function of enema, and has the functions of receiving and storing enema excrement and the effect of drug treatment.

A leak-proof straw mainly comprises a pipe body, the lower end of the pipe body is inserted into a milk box, a suction opening corresponding to the pipe body is formed in the upper end of the milk box, a vertical inner ring plate is connected with the upper end of the suction opening in the circumferential direction in a sleeving mode, the inner ring plate is fixed to the milk box and sleeved withan outer ring plate. An opening gap is reserved between the outer ring plate and the inner ring plate, the outer ring plate is connected with the circumference at the upper end of the inner ring plate through an annular slide-in ring plate, a screw cap is connected with the outer end of the outer ring plate, the pipe body is sleeved with a rubber sleeve, and the lower end of the rubber sleeve isfixed to the screw cap. In use, the pipe body is sleeved with the screw cap and the rubber sleeve, the lower end of the pipe body is inserted into the milk box from the suction opening, the pipe bodyis convenient inserted into the milk box due to the arrangement of the annular slide-in ring plate, the pipe body continues to move downwards, then the outer ring plate is sleeved with the screw cap,the screw cap is screwed, so that the screw cap is tightly squeezed on the pipe body under the elastic force of the rubber sleeve, and when the milk box is squeezed, the side leakage phenomenon of milk cannot occur.

The invention discloses an excrement drainage device and belongs to the field of medical nursing apparatus. The excrement drainage device comprises a drainage hose, inflated balloons, balloon inflating one-way valves and an excrement collection bag, and is characterized in that the drainage hose is made of silica gel, elastic reinforcing rings are respectively mounted at the top and the bottom ofan inner ring of each of the inflated balloons, so that the drainage hose is kept open to guarantee smooth defecation; according to usage time and difference in placed positions of the balloons, the excrement drainage device can be of a structure with double inflated balloons or of a structure with a single inflated balloon; the excrement collection bag is provided with a tubular excrement sampling scoop and a sealing sleeve.

The invention discloses a polylactic acid fiber and an application thereof in an adult incontinence nursing pad, and belongs to the technical field of hygienic materials. The polylactic acid fiber is specifically prepared by the steps: firstly, using dibenzoyl tartaric acid and 4-(2,3-epoxypropoxy)indole for modifying chitosan to obtain a chitosan derivative; blending and modifying polylactic acid by utilizing chitosan to prepare the polylactic acid fiber; and finally, mixing, opening, feeding cotton, carding, directly forming a net, hot-rolling and reinforcing to prepare a non-woven fabric material. The non-woven fabric material is used as a surface layer of the adult incontinence nursing pad, has the advantages of high strength, good toughness, high moisture permeability, soft hand feeling, fluffiness and air permeability, is high in degradation rate, and reduces pollution to environmental resources.

The invention relates to a filter for filtering synthetic produced liquid in the production process of dimethylformamide, comprising a filter cylinder body (1), a filter head cover (13), a synthetic produced liquid input pipe (2) and a synthetic produced liquid output pipe (3), wherein the bottom of the filter cylinder body (1) is provided with a settling chamber (4); the settling chamber (4) is connected with the synthetic produced liquid input pipe (2); the bottom end of the settling chamber (4) is provided with a sediment discharge valve (5); the filter cylinder body (1) is internally provided with more than one vertically placed filtering pipe (6); the lower end of the filtering pipe (6) is a filter pipe outlet end (8); the filter pipe outlet end (8) is connected with a collector (9); and the synthetic produced liquid output pipe (3) is connected with the collector (9). The invention can not generate lateral leakage and enhances the filtering effect because the bottom of the filter cylinder body (1) is provided with the settling chamber (4); and in addition, the invention increases the pressure of the inlet end of the filtering pipe (6) during filtration, thereby enhancing the work efficiency of the filter.