33results about How to "Solve side leakage" patented technology

The invention discloses a double-electrolyte digital sensor for detecting the diffusion and permeation rate of atomic hydrogen in a metal. The double-electrolyte digital sensor adopts a three-electrode system; an auxiliary electrode adopts a thin palladium sheet of which the thickness is 0.1 mm; a reference electrode adopts a pure nickel wire; the electrolyte adopts a twin-fluid system with colloidal high polymer potassium hydroxide solution and liquid potassium hydroxide solution; a constant potential circuit is used for controlling constant oxidation potential to ensure that the atomic hydrogen permeated to a nickel-plated hydrogen collecting surface is oxidized; a high-energy battery is used for driving the sensor to work; output current signals are digitalized; a magnet fixed mount is adopted to fix the sensor on a nickel-plated or palladium-plated workpiece surface; and the measured steady-state hydrogen permeation current is used for representing the hydrogen permeation rate which serves as basic data for hydrogen-induced cracking risk assessment and judgment. The double-electrolyte digital sensor has the following advantages that: the design of the sensor is elaborate; the colloidal electrolyte is used for contacting the workpiece surface without liquid leakage; the flexibility of the sensor is high; the response speed is high; the test result is accurate; digital signals are output; and conveying interferences can be eliminated.

The invention discloses a 3D (three-dimensional) breathing mask and a manufacturing method thereof. The 3D breathing mask comprises a pedestal, an interlayer and a face mask, wherein the pedestal is inosculated with a human face; the pedestal is uniformly provided with a plurality of small holes; the interlayer is arranged between the pedestal and the face mask; a filtering membrane is placed in the interlayer; the face mask is buckled on the pedestal; the face mask is also provided with a plurality of small holes; the pedestal, the interlayer and the face mask are communicated with external air. The face is scanned to obtain facial data by using a 3D scanner and a CT (Computed Tomography) scanner; a facial image is captured and converted into a 3D data file; a pedestal model digital file is generated; corresponding 3D pedestal and breathing mask digital files are designed; the printing is carried out through a 3D printer; the interlayer is placed in the pedestal; the face mask is buckled on the pedestal; a lacing is fastened. The 3D breathing mask provided by the invention is fayed with the face type of a person; the problem of the side leakage of air is solved; the propagation of a PM2.5 (Particulate Matter 2.5) and a pathogen can be effectively defended; a faying area to facial skin can be enlarged; the comfortableness is improved; the disassembly is convenient; a membrane is convenient to replace.

The invention discloses a sanitary napkin with functions of disinfecting, inflammation diminishing, menses soothing and pain relieving. The sanitary napkin comprise a nonwoven layer, a multifunctional core sheet layer, a first dustproof paper, polymer absorbent paper, a second dustproof paper, and a breathable PE film. The multifunctional core sheet layer is disposed below the nonwoven layer. The first dustproof paper is disposed below the multifunctional core sheet layer. The polymer absorbent paper is disposed below the first dustproof paper. The second dustproof paper is disposed below the polymer absorbent paper. The breathable PE film is disposed below the second dustproof. Compared with the prior art, the sanitary napkin has the advantages that the napkin can kill bacteria safely and quickly and take effect soon, the rate of killing bacteria is 99.99% in 15 minutes, the napkin can sooth menstruation, relieve pain, ease the motion, relieve painful menstruation and remove peculiar odors, the napkin has the super functions of absorbing water and breathing and is free of water leakage, the problem of side leakage is thoroughly solved, and the napkin containing no fluorescent agent has no side-effect harm to human bodies and is worthy of popularization and application.

A sealing device for an anode groove and a cathode roller of a crude foil engine is characterized in that a semi-arc-shaped lip sealing strip baseplate is fixed on the inner surface of a lining plate, a sealing plate base plate is fixed on the upper surface of the lip sealing strip baseplate, a lip sealing strip is located on one side of the upper surface of the lip sealing strip baseplate, the lower end of the lip sealing strip is embedded into a dovetail groove in the upper surface of the lip sealing strip baseplate to be fixed, a sealing plate is fixed on the upper surface of the sealing plate base plate, and one side edge of the sealing plate covers the upper surface of the lip sealing strip. The adopted polytetrafluoroethylene sealing plate is resistant to shock cooling and shock heating and chemical corrosion, has high lubricating non-sticky performance and favorable electric insulativity and ageing resistance, is combined with the lip sealing strip to make up for the shortcoming of high frictional resistance of an EPDM lip sealing strip, and replaces the EPDM lip sealing strip to be in contact with the cathode roller, so that the sealing is tight and reliable, the problem of side leakage of a PVC end plate is solved, and normal running of the cathode roller is guaranteed.

The invention discloses a pipe and flange connection structure and a processing method thereof. The pipe and flange connection structure comprises a pipe (1) and a flange (2) sleeving the end of the pipe, the pipe (1) inside the flange (2) is provided with a convex ring (3) expanding outwards radially, the pipe (1) outside the flange (2) is provided with a flanging (4) expanding outwards radially, and the flange (4) is tightly pressed onto the convex ring (3) by the flanging (4). The pipe and flange connection structure is low in production cost, and the processing method of the pipe and flange connection structure is low in harms to bodies of operators, simple in manufacturing process and short in production cycle.

The invention belongs to a medical nursing device, in particular to an automatic excrement collecting device aiming at disabled patients. The device comprises a control system and an excrement collecting device, wherein the excrement collecting device having a C-shaped side comprises an upper portion, a side portion and a lower portion, which are respectively contacted with the human abdomen, the crotch and the hip; a concave cavity is arranged inside the excrement collecting device, the concave cavity is communicated with an excrement treatment pipe, the excrement collecting device is provided with a C-shaped self-adaptive integrated sealing pad at the part contacted with the human body, and the self-adaptive integrated sealing pad is provided with an upper U-shaped airbag at the upper part and a lower U-shaped airbag at the lower part. In the working process of the automatic excrement collecting device provided by the invention, a proper amount of air is filled through the upper and the lower airbags, so that the self-adaptive integrated sealing pad is tightly contacted with the patient to prevent lateral leakage of the excrement.

The invention relates to a concave and convex rolling shaft pressure device of a belt filter press. The concave and convex rolling shaft pressure device of the belt filter press comprises a ring-shaped flocking filter belt and a pressure rolling shaft, wherein a driven rolling shaft and a driving rolling shaft are respectively arranged at the two sides of the circular arc surface of the pressure rolling shaft; a plurality of extrusion rolling shafts are arranged under the pressure rolling shaft; the flocking filter belt is sheathed on the driven rolling shaft, the driving rolling shaft and the extrusion rolling shafts, and is extruded by the pressure rolling shaft and the extrusion rolling shafts; the flocking filter belt is also internally provided with a plurality of tension rolling shafts used for enabling the flocking filter belt to be in a tensioning state; the circumferential surface of the pressure rolling shaft has a concave-convex structure of a gear. The concave and convex rolling shaft pressure device is simple in structure, good in dehydration effect, good in mud cake stripping effect, little in sludge residue, not easy to block and small in cleaning water quantity, and thus reducing secondary pollution.

The invention belongs to equipment for pulverizing a metal ore rock material, which consists of a stander, high-pressure rollers, a universal transmission shaft, a retarder, a feeding adjustment device, a hydraulic control system, an electric control system and other main parts. Two sets of high-pressure roller devices are horizontally arranged on the stander in parallel; a driving mode of the equipment comprises that: a motor is connected with the high-pressure rollers through the retarder and the universal transmission shaft; each set of the high-pressure roller is provided with each independent drive device, wherein one set of the high-pressure roller is fixed; the other set of the high-pressure roller can slide in the horizontal direction; one side of a movable roller is provided with a pressure application hydro-cylinder; and two sides of the end face of the high-pressure roller are provided with self-adaptive floating side baffles. The pulverization equipment is high-efficiency, energy-saving and consumption-reducing and has remarkable economic benefit.

A composite sanitary napkin with liquid guiding-retaining function has a liquid penetrating top layer, an air-permeable bottom layer without liquid penetration, a hydroscopic core between said top layer and bottom layer, and optional liquid retaining layer. Its advantage is no leakage.

The invention discloses a preparation method and application of composite non-woven fabric. The composite non-woven fabric is prepared by laying a silk fiber net layer and a cotton fiber net layer through a spunlace process, wherein the silk layer is a straight laying net, and the pure cotton layer is a full cross laying net. According to the prepared composite non-woven fabric, the problems of tight combination, poor water absorption, low menstrual blood seepage speed, easiness in causing side leakage and the like when silk fibers are singly used and applied to the surface layer of a sanitarytowel are solved; and meanwhile, the problem that spunlace cloth made of degreased and bleached common cotton fibers is not soft and comfortable enough in texture is avoided. After the silk fibers are prepared into the sanitary towel, the silk layer is in contact with the skin, and the longitudinally arranged fibers are prone to longitudinal diffusion of menstrual blood and are not easy to leak laterally; and the pure cotton layer is in contact with a flow guide layer of the sanitary towel, so that the menstrual blood is easy to seep downwards and diffuse around, the safety and absorbabilityof the sanitary towel are enhanced, and the problem of menstrual blood side leakage is solved. Meanwhile, the indexes such as the absorption speed and the reverse osmosis amount of the sanitary towelmade of the composite non-woven fabric are obviously superior to those of sanitary towels made of other materials.

The invention provides a disposable spill prevention breast pad. The pad comprises an absorption body which can cover the wearer's breast, and match with the profile of the breast. A fixing device is used for fixing the absorption body. The absorption body comprises a hydrophilic surface layer, an impervious bottom layer and an absorption core layer located between the hydrophilic surface layer and the impervious bottom player. The absorption main body has a longitudinal length which follows the longitudinal orientation and a horizontal width which follows the horizontal orientation when being used. The longitudinal length orientation is consistent with the orientation of the height of a human body. The horizontal orientation is perpendicular to the longitudinal orientation. A longitudinal center line divides the pad into an inner part adjacent to the cleavage and an outer part away from the cleavage. The absorption body outer part which is away from the cleavage comprises a horizontally extended side edge part. The absorption core layer of the side edge part can completely cover the outermost edge close to the armpit in the horizontal orientation of the breast. The disposable spill prevention breast pad can effectively solve the side leakage problem caused by the improper body posture at night.

The invention discloses a novel leakproof sanitary towel which comprises a towel body, side wings and a tail wing. The inner sides of the side wings are symmetrically arranged on the two sides of the towel body. The inner side of the tail wing is connected to the rear end of the towel body through the side wings. The outer sides of the side wings and the outer side of the tail wing are respectively provided with an elastic cord. The towel body comprises a middle area and a rear area. The two sides of the middle area are symmetrically provided with side leakproof strips in the length direction of the towel body. The rear area is provided with water locking grooves and rear leakproof strips. The water locking grooves are formed inside the rear leakproof strips. The rear leakproof strips are arranged at the position, 15 mm away from the rear end face of the towel body, of the towel body. In this way, according to the novel leakproof sanitary towel, the water locking grooves have the function of locking menstrual blood, the leakproof strips and the elastic type protecting wings have the dual three-dimensional leakproof function, and the problems of side leakage and rear leakage of menstrual blood are effectively solved.

A disposable anti-galactorrhea pad comprises an absorption body and an outer packaging piece. The absorption body comprises a hydrophilic surface layer, an absorption core layer and a liquid-tight bottom layer. One to two cutting seams which face towards the center of the absorption body from the edge of the absorption body are arranged on the absorption body. The absorption body is arranged to be in the shape that the center of the absorption body is protruded towards the outer side along the cutting seams. When in use, the absorption body has a longitudinal size in the longitudinal direction and a transverse size in the transverse direction. The absorption body is divided by a longitudinal center line into a portion close to a cleavage and a portion away from the cleavage. The outline of the absorption body is symmetrical about the longitudinal center line. When the absorption body is in use, the area of the portion close to the cleavage is provided with a thickened portion with the thickness larger than the thickness of other portions, the thickened portion protrudes in an arc line towards the hydrophilic surface layer, and the thickened portion has the largest thickness.

The invention relates to the technical fields of daily articles for babies, and discloses a water-absorbent side-leakage preventing paper diaper structure and a making method thereof. The paper diaperstructure comprises a paper diaper main body, wherein a hip groove is formed in the middle of the paper diaper main body; primary adsorbent colloids are arranged at the bottom of the paper diaper main body; the ends, away from the paper diaper main body, of the primary adsorbent colloids are fixedly connected to the top of a filter laminated board; adsorbent filter holes are formed in the middleof the filter laminated board; stream guidance colloids are fixedly arranged at the bottom of the filter laminated board; and a liquid container is fixedly arranged at the bottoms of the stream guidance colloids. According to the water-absorbent side-leakage preventing paper diaper structure and the making method thereof, the abdomen and waist of a baby can be protected on the basis of the actionsof adhesion surrounding plates; and meanwhile, through waist fastening straps, clamping rubber grooves and clamping rubber blocks which are combined, a function of adjusting the elasticity of the paper diaper is guaranteed, and meanwhile, fitness of the paper diaper to the waist and the abdomen is effectively improved; therefore, the comfort of the paper diaper in a using process is further improved.

The invention relates to a carriage side leakage preventing device for a self-dumping semitrailer and a using method of the carriage side leakage preventing device. The carriage side leakage preventing device comprises a vehicle head and a carriage; an automatic telescopic tent is arranged at the top end of the carriage; vertical rods are fixedly connected to the outer side of the automatic telescopic tent; first limiting switches are fixedly connected to the positions, close to the tail of the carriage, of the upper portions of the two sides of the carriage; second limiting switches are fixedly connected to the positions, located at the front end of the carriage, of the inner sides of the first limiting switches; supporting rods are fixedly connected to the upper portion of the left side of the carriage; a baffle is fixedly connected to the upper portions of the supporting rods; a fixing block is arranged on the upper portion of the interior of the carriage; and an electric telescopic rod is fixedly connected to the lower portion of the fixing block through a connecting plate. According to the carriage side leakage preventing device for the self-dumping semitrailer, through the above structure, the problem of environment pollution in the transportation process of sandy soil due to side leakage of the sandy soil because of jolting can be solved. Compared with an existing side leakage preventing device, the carriage side leakage preventing device is better in leakage prevention effect and is more convenient in operation.

The invention provides a pants-type leakage-proof sanitary absorption article. The pants-type leakage-proof sanitary absorption article comprises an elastic waistline, an absorption body and leg leakage-proof edges, the absorption body comprises a liquid-permeable surface layer, a flow guide layer, an absorption core body and a breathable bottom layer which are sequentially arranged from top to bottom; wherein the absorption body further comprises a three-dimensional protective enclosure; a net-shaped flow guide groove is formed in the absorption core body; and the leg leakage-proof edges are connected with the elastic waistline and the absorption body respectively and used for forming annular wrapping on the legs. According to the pants-type leakage-proof sanitary absorption article, the leg leakage-proof edges are arranged and extend towards the legs along the elastic waistline and the absorption body, so that annular wrapping on the legs is formed, and side leakage can be effectively prevented; meanwhile, the net-shaped flow guide groove is formed in the absorption core body, the absorption speed and the diffusion speed of the liquid are increased, side leakage can be further prevented, and the surface layer can be kept dry and comfortable.

The invention discloses a side leakage prevention structure for a diaper. The side leakage prevention structure for the diaper comprises two non-woven fabrics, PE films and rubber band layers, whereineach PE film adheres to one side of the corresponding non-woven fabric in a fusion manner; each rubber band layer adheres to the other side of the corresponding non-woven fabric in a fusion manner; the PE films and the rubber band layers are arranged on two sides of the peripheries of the two non-woven fabrics; and adjacent surfaces of the two non-woven fabrics adhere to each other and are fixedthrough fusion of the two PE films. The breathable PE films are added between the two layers of composite SMS non-woven fabrics, have a waterproof function, are high in physical property, and are notdamaged easily, and breathability is ensured when the problem of side leakage of the diaper is solved. In the aspect of the structure, the water-repellent SS non-woven fabrics and the SMS non-woven fabrics coat rubber bands through hot melt adhesive to form a conventional three-dimensional protective structure, the breathable PE films on the outer sides and the non-woven fabrics on the bottom layer are coated through adhesive spraying and adhere to each other through folding plates to form the external friction side leakage prevention structure, and therefore, shortcomings in the prior art areovercome effectively.

The invention discloses an antibacterial sanitary napkin, which comprises a non-woven fabric layer, a multi-functional chip layer, a first air-laid paper, a polymer absorbent paper, a second air-laid paper and a breathable PE film, wherein the multi-functional chip layer is coated with a bactericidal peptide layer. The sanitary napkin has an effect of killing bacteria in a short time. The product has the advantages of low cost and good effects and is worthy of large scale popularization and use.

The invention provides an absorptive article which is longitudinally long in shape. The absorptive article comprises an anti-leak layer preventing liquid permeation and an absorption layer which is arranged over the anti-leak layer and can retain liquid. The absorption layer comprises an absorption body capable of retaining liquid and a surface layer which is arranged over the absorption body and allows liquid permeation. The middle portion of the absorption body is provided with a groove. The absorptive article can rapidly absorb excretion matter and prevent reverse permeation, thereby solving the problem of side leak.

The invention discloses a side-direction double-clamping-connection sectional material for an aluminum alloy geometric flower box. The side-direction double-clamping-connection sectional material is characterized by being in a long strip shape as a whole and comprising an upper plane body, a left elevation, a clamping groove with a downward opening, a middle elevation, a half bottom plane body anda clamping groove with a rightward opening, the end of the upper plane body and the left elevation are connected to each other, the middle elevation is located at a central longitudinal perpendicularplane under the upper plane body, the clamping groove with the downward opening is formed between the middle elevation and the left elevation, the end of the middle elevation and the half bottom plane body are connected to each other, the clamping groove with the rightward opening is formed between the half bottom plane body and the upper plane body, and is at the right side of the middle elevation and under the upper plane body. According to the invention, an oblique lateral vertical board of the aluminum alloy geometric flower box and the outer side of a trapezoidal vertical plane can be integrally fixedly clamped together, the limiting fastness is good, the tightness is good, slope lateral sliding and displacement can be effectively prevented, and the sectional material is easy to loadand unload.

The invention relates to the field of sanitary accessories, and particularly discloses an adjustable sanitary napkin. The adjustable sanitary napkin comprises a sanitary napkin body and a leakproof pad body dismountably connected with the sanitary napkin body, wherein the leakproof pad body can be spliced to become the shape of three-dimensional underpants; the sanitary napkin body comprises a skin friendly layer, an absorption layer, a leakproof layer and a bonding layer, first bonding strips which can move in the width direction of the sanitary napkin body are movably connected to the two side parts of the sanitary napkin body, and the two first bonding strips are mutually bonded. Through the adoption of the technical scheme, the problem of side leakage because the sanitary napkin generates deflexion easily in the use process in the prior art can be solved.

The invention discloses a preparation method and application of a composite non-woven fabric. The composite non-woven fabric is prepared by laying a cotton fiber net layer and a hemp fiber net througha spunlace process, the cotton fiber layer is a straight laying net, and the hemp fiber layer is a full cross laying net. The semi-crossed parallel lapping technology is adopted, the cotton fiber layer is laid directly, and the hemp fiber layer is fully crossed. After a sanitary towel is manufactured, the cotton fiber layer makes contact with the skin, and longitudinally-arranged fibers are easyto longitudinal diffuse of menstrual blood and not easy to side leakage; the hemp fiber layer is in contact with a flow guide layer of the sanitary towel, so that the antibacterial property of the non-woven fabric is guaranteed, and discomfort caused by contact of thick hemp fibers with skin is avoided; and meanwhile, the structure facilitates infiltration of menstrual blood and enables the menstrual blood to diffuse to the periphery, the problem of lateral leakage of the menstrual blood is solved, and safety and dryness of the sanitary towel are enhanced.