97results about How to "Not easy to seepage" patented technology

The invention relates to a hard polyethylene pipe with high impact resistance, which solves the problem that the hard PVC pipe has low impact strength, has brittleness, and is easy to leak, permeate and crack. The technical scheme to solve the problem is that: the hard polyethylene pipe is prepared from the following components in part by weight: 220 to 280 parts of PVC, 6 to 10 parts of heat stabilizer, 0.7 to 1.3 parts of lubricant, 2.1 to 2.9 parts of titanium pigment, 10 to 20 parts of impact modifier, 2 to 4 parts of processing aid and 3.5 to 6.5 parts of calcium carbonate; and the hard polyethylene pipe is prepared by the following steps: firstly, evenly mixing the components to prepare a mixture; secondly, heating the mixture to between 105 and 145DEG C, and cooling the mixture to between 30 and 55DEG C; standing the cooled mixture at a normal temperature of between 18 and 25DEG C for 8 to 12h; extruding the mixture at a temperature of between 130 and 220DEG C with an extruder; and cooling at a temperature of between 10 and 22DEG C. The hard polyethylene pipe has good toughness and impact resistance, chemical resistance, and difficult leakage, seepage and crack, and is innovation on pipes.

The invention discloses a special flexible texture coating for an external heat insulating wall. The coating is characterized by: 1) mixing water, an antimildew agent, a preservative, a dispersing agent, a wetting agent, a antifoaming agent, titanium pigment and calcium carbonate according to a mass ratio, followed by carrying out high speed dispersion to provide a spare use; 2) then mixing an emulsion, quartz sand and the antifoaming agent according to a mass ratio, followed by being added to the prepared mixed solution from the step 1), then carrying out medium-speed stirring; 3) mixing cellulose and the water according to a mass ratio, and carrying out stirring to prepare a mixed material of the cellulose to provide a spare use; 4) adding the mixture prepared through medium-speed stirring to the mixed material of the cellulose to carry out stirring, such that the mixed material of the cellulose can provide uniform thickening effect; 5) carrying out a color treatment for the finished product from the step 4). The coating provided by the present invention has characteristics of free of crack, high cohesional strength, effective prevention from coating deterioration, good water resistance, excellent penetration resistance, excellent flexibility. With the coating provided by the present invention, the fine cracks can be filled so as to prolong a service life of the external heat insulating wall and effectively protect buildings.

The invention relates to a trapping medicine of termites and a termites trapping method thereof. The soil termites trapping medicine comprises the following components by weight percent: 40 to 50 percent of moli eucalyptus bark, 40 to 50 percent of macrophyll eucalyptus bark, 5 to 10 percent of soil termites active hormone, 1 to 3 percent of fipronil, and 1 to 3 percent of sulfluramid. The invention can avoid the drug resistance of the termites and enhance the trapping effect action obviously and has the advantages of strong trapping capability for the soil termites, uneasy mouldness, extensive source, low cost, no damage risk on crops and easy generalization. The soil termites trapping method comprises the following steps that: the medicine powder manufactured through the prescription is packed with coarse paper and is placed in a degradable plastic box to manufacture a soil termites trapping box. The trapping box is buried at the place the soil termites move frequently and the middle of the dense grouping holes when the grouping holes are formed and before the grouping is carried out. The invention has the effects of uneasy water leakage, low labor cost and ideal prevention and treatment effect.

The invention relates to a PVC (Polyvinyl Chloride) tubular product, and in particular relates to a PVC (Polyvinyl Chloride)-M (Modified) shock-resistant tubular product. The tubular product is made of the following raw materials in parts by weight: 100 parts of a PVC resin, 6 parts of calcium powder, 3 parts of titanium dioxide powder, 6 parts of a stabilizer, 2 parts of stearic acid, 13 parts of a shock-resistant modifier, 1 part of PE (Polyethylene) wax, 0.5 part of an MBS (Methyl-methacrylate-Butadiene-Styrene) resin, and 4 parts of ACR (Acrylic Resin)-530. The PVC (Polyvinyl Chloride)-M (Modified) shock-resistant tubular product by the invention has good toughness and good shock resistance, can resist chemical corrosion, is improved in tension strength and elongation at break, and has difficulty in leaking or penetrating water, and cracking; and the MBS resin is added into the PVC tubular product for improving plasticization, so that the dispersion of inorganic matters and the processing fluidity of PVC melts are enhanced, and the low-temperature shock strength of the tubular product is improved.

The invention relates to a waterproofing roof engineering construction method. The method comprises the following steps: S1. repairing a leveling layer; S2. brushing a first waterproof layer, whereinthe first waterproof layer is formed by brushing a base layer by polyurethane cement-based waterproof paint; S3. paving a second waterproof layer, wherein the second waterproof layer is formed by paving a waterproof coil on the first waterproof layer after the paint is dried to form a film; S4. brushing a third waterproof layer, wherein the third waterproof layer is formed by brushing the upper surface of the second waterproof layer by the polyurethane cement-based waterproof paint; and S5. paving a protective layer. The method has the advantages that three layers of waterproof measures are adopted for the roof, the tolerance for paving defects is strong, the durability of the waterproof layers is increased, rainwater can hardly enter the roof surface from the gap at special parts of the roof, which have good waterproof effect, and the risk of rainwater infiltration is reduced.

The invention provides a high-strength woven base cloth coating air-inflation shell fabric, belonging to the technical field of shell fabrics. The high-strength woven base cloth coating air-inflation shell fabric comprises base cloth and is characterized in that the base cloth is woven cloth with a warp-weft density of 50*50 units per inch and is made of bamboo carbon fiber materials; a first flame-retardant layer, a first metal net layer, a first air bag layer and a first waterproof layer are sequentially arranged on one side of the base cloth from inside to outside; a second flame-retardant layer, a second metal net layer, a second air bag layer and a second waterproof layer are sequentially arranged on the other side of the base cloth from inside to outside; a plurality of anti-slide grains are uniformly formed in the outer surfaces of the first waterproof layer and the second waterproof layer; and the outer surfaces of the first waterproof layer and the second waterproof layer are respectively covered with a first nylon layer and a second nylon layer. The high-strength woven base cloth coating air-inflation shell fabric has the advantages of being high in strength and inflatable.

The invention discloses a multifunctional changeover valve. The multifunctional changeover valve comprises an automatic ball-point pen type pressing mechanism, a sealing guide rod, a first spring and a valve element body, wherein the automatic ball-point pen type pressing mechanism is triggered, and the first spring applies return force opposite to pressing force to the sealing guide rod, so that the sealing guide rod abuts against the pressing mechanism all the time; the pressing mechanism has high stroke and low stroke, so that the sealing guide rod performs up and down reciprocating motion along the axial position of the valve element body, and therefore, the first flow-guide hole or a second flow-guide hole is selectively plugged by a plug on the sealing guide rod, and a water inlet and a first water outlet or a second water outlet are opened/closed; and an included angle between the valve element body and a valve element seat body is rotated, so that an over-flow area of a flow regulating hole is changed, and therefore, the flow switching purpose is realized.

The invention provides an environment-friendly waterproof coating inflatable fabric, belonging to the technical field of fabrics. The environment-friendly waterproof coating inflatable fabric comprises a base fabric. The invention is characterized in that the base fabric adopts a woven fabric of which the thread count is 50*50 yarn/inch; the woven fabric is prepared from a bamboo charcoal fiber material; one side of the base fabric is sequentially provided with a first waterproof layer, a first airbag layer, a second waterproof layer and a first flame-retardant layer from inside to outside; the other side of the base fabric is sequentially provided with a third waterproof layer, a second airbag layer, a fourth waterproof layer and a second flame-retardant layer from inside to outside; the external surfaces of the first flame-retardant layer and second flame-retardant layer are uniformly provided with a plurality of antiskid grains; and a first nylon layer and a second nylon layer are respectively coated on the external surfaces of the first flame-retardant layer and second flame-retardant layer. The inflatable fabric is environment-friendly and inflatable.

The invention discloses an LED (Light Emitting Diode) module. The LED module comprises a lens group, LED beads, a circuit board and a radiator, wherein the LED beads are arranged on the circuit board in a welding way, the circuit board and the radiator are fixedly connected, the lens group is arranged above the LED beads in a covering way and is connected with the radiator, a wire penetrating hole is formed in the radiator, and a wire which is connected with a power supply penetrates through the wire penetrating hole and is arranged on the circuit board in the welding way so as to supply electricity to the LED beads; following double sealing structures of a double-layer silicone ring sealing structure and a wire double-layer sealing structure are adopted by the LED module. According to the LED module disclosed by the invention, a double protection mode of the double-layer silicone ring sealing structure and the wire double-layer sealing structure is adopted, the protection level of the LED module is effectively increased, the sealing performance of the LED module can be better, and water leakage is not easily caused; in addition, the structure of the lens group is redesigned, the surface of the lens group is additionally provided with reinforcing ribs, and the defect that the middle part of the lens group easily protrudes and deforms after the lens group is used for a long time is effectively solved; narrowing design is also carried out on the lens group, the raw materials are saved, and the cost is reduced.

The invention provides a spliced ultra-thin same-floor drainage facility provided with an access port. The same-floor drainage facility comprises a drainage channel and a side drainage structure, wherein the drainage channel is formed by mutually splicing a plurality of strip-shaped converge bottom grooves, and a grate covers the upper parts of the converge bottom grooves; the drainage channel is arranged on a mounting surface by a gradient; the tail end of the drainage channel is the lowest point of the gradient, and the tail end of the drainage channel communicates with the side drainage structure; a water tank and a side drainage pipe are arranged in the side drainage structure; the water tank is matched with the converge bottom grooves of the drainage channel, so that a water seal is formed and the water seal communicates with an external drainage vertical pipe; a cleaning opening is formed in the upper part of the water outlet end of the water tank and the cleaning opening communicates with the converge bottom grooves; an opening cover is arranged on the cleaning opening; and the grate on the converge bottom grooves extends to the side drainage structure and covers the water inlet end and the cleaning opening of the water tank. According to the same-floor drainage facility disclosed by the invention, drainage and converge structures are optimized in a mode of splicing strips; moreover, through the coordination with the side drainage structure, a water passing area is increased, and by virtue of the structure, a cleaning operation is optimized; therefore, the same-floor drainage facility can meet an internal water seal standard, and meanwhile, the same-floor drainage facility can achieve same-floor drainage from a low-level floor slab to a floor drain finished surface.

The invention relates to a waterproof and sun-proof plastic woven bag. The plastic woven bag comprises the following raw material components in parts by weight: 60-70 parts of polypropylene; 40-60 parts of linear low density polyethylene; 15-20 parts of polystyrene; 8-12 parts of titanium dioxide; 10-15 parts of nano calcium carbonate; 5-10 parts of octabromo ether; 15-20 parts of an ultraviolet light absorber; 8-16 parts of a tackifier; 10-14 parts of a toughening agent; 6-12 parts of an antioxidant; 5-10 parts of a flame retardant; and 4-10 parts of a filler. The plastic woven bag produced by using the formula materials is excellent in ultraviolet resistance and good in sunscreen and waterproof effects, and the service life of the plastic woven bag is prolonged.

A faucet installation fixture mainly includes a cover, a pressing piece and more than two locking screws; Rotate the sheet at a certain angle, so that the cover and the pressing sheet cannot slide out from the fixing column below the locking column, and then use the locking screw to press the pressing sheet on the cover from bottom to top, and the cover transfers the force to the table, so that The pressing piece and the gland are tightly pressed on the wall of the platform from bottom to top, so that the faucet cannot be pulled out, so as to realize the rapid positioning of the faucet, and then connect the water inlet pipe with the faucet installation guide post under the pressing piece, Complete the installation of the faucet; use the pressing piece to tighten the locking column, so that the position of the installation guide post of the faucet is fixed and difficult to rotate, so that the connection between the faucet and the water inlet pipe is not easy to loose and cause water seepage.

The invention relates to the technical field of vehicle doors of amphibious vehicles and particularly discloses a vehicle door of an all-terrain vehicle. The vehicle door of the all-terrain vehicle comprises a door body, a door frame and a door lock. The first edge of the door body is hinged to the door frame. The vehicle door of the all-terrain vehicle further comprises two or more elastic sealing strips. The elastic sealing strips are arranged on the periphery of an inner plate of the door body and/or the door frame and used for sealing a gap between the door body and the door frame. When the vehicle door is in a closed state, the elastic sealing strips are in pressure contact with the door body or the door frame, and an airtight space is formed between every two adjacent elastic sealing strips. The sealing performance of the vehicle door can be greatly improved, and the vehicle door can meet the working requirement in water areas or similar environments.

The invention discloses a metal profiled plate comprising antirust coatings, metal plate layers, thermal insulation layers, terrace shaped pieces and a connecting piece, wherein the metal plate layer is arranged at the bottom of the thermal insulation layer; the surface of each metal plate layer is coated with the corresponding antirust coating; the terrace shaped pieces are mounted at the tops of the thermal insulation layers; the connecting piece is arranged on the extended area of the thermal insulation layers; the connecting piece is in pressing fit and connected with one terrace shaped piece. The metal profiled plate has the benefits of simple structure, attractive appearance, tight connection, water seepage resistance and high simplicity in installation.

The invention discloses a waterproof pipe gallery with good sealing performance. The waterproof pipe gallery comprises pipe bodies, pre-embedded connecting pieces and covering connecting pieces, a first connecting end and a second connecting end are arranged on the two sides of each pipe body respectively, every two adjacent pipe bodies can be spliced, a splicing seam is formed between the first connecting end of one pipe body and the second connecting end of the other pipe body, the pre-embedded connecting pieces are arranged on the two sides of each pipe body in a surrounding mode and comprise pre-embedded parts pre-embedded in the pipe bodies and plastic connecting parts stretching out of the outer sides of the pipe bodies, the covering connecting pieces are annular, plastic combining parts are arranged at the two ends in the axial direction of each covering connecting piece respectively, and the plastic combining parts can be connected with the plastic connecting parts in a hot melting mode so that the covering connecting pieces and the pre-embedded connecting pieces can seal the splicing seams. According to the structure, the covering connecting pieces are tightly attached to the joints of every two pipe bodies, water is not prone to seeping from the joints to the pipe bodies, and on the other hand, when the pipe bodies slightly move or are staggered, the covering connecting pieces have the good elastic deformation capacity and can be better attached to the joints, and the more stable waterproof effect is provided.

The invention relates to the technical field of glass curtain walls, in particular to a glass curtain wall with a drainage structure and a mounting method thereof. The glass curtain wall with the drainage structure comprises glass plates, stand columns and cross beams, the stand columns are connected through longitudinal insertion cores, and the stand columns and the cross beams are connected through transverse insertion cores; transverse limiting grooves are formed in the cross beams, longitudinal limiting grooves are formed in the stand columns, and the peripheral edges of the glass plates are clamped and fixed to the transverse limiting grooves and the longitudinal limiting grooves in a connected mode; waterproof sealing rubber strips are filled into the positions between the glass plates and the cross beams and between the glass plates and the stand columns, and the waterproof sealing rubber strips are bonded and fixed to the glass plates through silicone adhesives; transverse drainage grooves are formed in one sides of the cross beams, and openings of the transverse drainage grooves of the cross beams are connected with water guide nozzles; leading-in openings of the water guide nozzles are connected with the openings of the transverse drainage grooves, and leading-out openings of the water guide nozzles penetrate through the stand columns and are led out to the other sides of the glass plates; and the stand columns are provided with longitudinal drainage grooves used for draining water drained by the water guide nozzles. The glass curtain wall has the effects that theconstruction steps of extra pipeline drainage can be reduced, and rapid installation of the glass curtain wall is facilitated.

The invention relates to the technical field of woven bags, and especially relates to a moisture-proof plastic woven bag. The moisture-proof plastic woven bag comprises, by mass, 10-20 parts of an ethylene-vinyl acetate copolymer, 10-15 parts of nano-sulfobetaine, 5-10 parts of bentonite, 5-10 parts of dimethylaminoethyl acrylate, 3-8 parts of tetraethoxysilane, 3-8 parts of nanometer calcium carbonate, 10-20 parts of low-density polyethylene and 10-15 parts of polypropylene particles. The moisture-proof plastic woven bag adopting the above components is not prone to aging, peeling, breaking and crushing, and is not prone to be seeped in a humid environment, so that the service life of the plastic woven bag is prolonged; and the moisture-proof plastic woven bag also has the advantages of no environment pollution, low component cost, and easiness in production.

The invention relates to an aluminium-clad wood outward-opening door or window system, which mainly comprises a door or window frame and a door leaf or window sash; the door or window frame mainly comprises a left wooden border, a right wooden border, an upper wooden border and a lower wooden border; the door leaf or window sash comprises a wooden leaf or sash frame, hollow glass and press line bar, wherein the wooden leaf or sash frame mainly comprises a left leaf or sash border, a right leaf or sash border, an upper leaf or sash border and a lower leaf or sash border; an aluminium door or window frame is fixed on the outdoor sidewall of the door or window frame, and an aluminium leaf or sash frame is correspondingly fixed on the outdoor sidewall of the wooden leaf or sash frame; the left wooden border, the right wooden border, the upper wooden border and the lower wooden border of the door or window frame are respectively provided with at least one stepped rabbet which faces outdoors, a joint is formed between the indoor side edge of the door leaf or window sash and the side edge of the stepped rabbet when the door leaf or window sash is closed into the door or window frame from outdoors, a rubber seal strip forming a second seal is arranged at the joint, and when the door leaf or window sash is closed into the door or window frame from outdoors, the outdoor surfaces of the aluminium door or window frame on the outdoor sidewall of the door or window frame and the aluminium leaf or sash frame on the outdoor sidewall of the wooden leaf or sash frame are flush on the same plane.

The invention discloses a one-time pouring moulding method for a pipe rack segment. The method comprises the following steps: (1) positioning a pay-off line; (2) binding reinforcing steel bars of a bottom plate and a side wall; (3) installing a template of the side wall; (4) installing a load-bearing bracket; (5) installing the template of a top plate; (6) installing the reinforcing steel bars ofthe top plate, and further comprise the following steps: (7) pouring concrete. Pipe rack concrete adopts one-time integral pouring, a cross section is adopted to symmetrically pour longitudinal stratification to achieve pouring moulding in order, and compared with pouring in stages, the method has the advantages of short construction period, difficult water seepage at construction joints, and lowoverall cost.