Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

350results about "Gaskets" patented technology

Non-aqueous electrolyte secondary battery and manufacturing methods of an electrode used therein

To provide a non-aqueous electrolyte secondary battery adapted to prevent an internal short circuit between an positive electrode and a negative electrode caused by the penetration of electrically conductive micro particles through a separator, which occurs when winding up electrodes, and manufacturing methods of an electrode used therein, whereby the non-aqueous electrolyte secondary battery having a coiled electrode assembly is formed through the multilayer winding of an positive electrode 90 having a metallic collector 76 coated with an positive electrode mixture 78 composed of an positive electrode active material that occludes and liberates lithium ions, a negative electrode 86 having a metallic collector 82 coated with a negative electrode mixture 84, composed of a negative electrode active material that occludes and liberates lithium ions, and a separator 72 interposed between the positive electrode and the negative electrode, wherein the positive electrode 90 has an insulating layer 100 formed by means of the dried coating method, the heat seal tape method, or the hot melt coating method on a portion of the metallic collector 76 which is uncoated with the positive electrode mixture 78 and opposed to the negative electrode 86 coated with the negative electrode mixture 84, through the separator 72.
Owner:SANYO ELECTRIC CO LTD

Modified asphalt waterproof coiled material with reinforced overlap edges and production method of modified asphalt waterproof coiled material

The invention relates to a modified asphalt waterproof coiled material with reinforced overlap edges and a production method of the modified asphalt waterproof coiled material. The modified asphalt waterproof coiled material comprises a main body material layer, a modified asphalt layer and an isolating membrane, wherein two strips of fiber cloth are respectively embedded between the parts, which are respectively 0.1-1cm away from the edges of the two sides along the longitudinal direction of the modified asphalt layer, and the isolating membrane, so that the overlap edges are formed. After the method is adopted, the mechanical properties of the overlap edges are obviously improved after the modified asphalt waterproof coiled material is molded, so that the water resistance of the modified asphalt waterproof coiled material is more reliable; the production method provided by the invention solves the problems that in the traditional production process, due to mechanical mismatch of the left side and the right side of the coiled material, the coiled material is neat when being coiled and is twisted when being unfolded, and the like, and improves the quality of the waterproof coiled material.
Owner:XI NIU PI WATERPROOFING TECH CO LTD

Basement water-proof structure and construction method for basement outer wall water-proof structure thereof

PendingCN107190783AImprove the weak bondEffective waterproof barrierProtective foundationGasketsBasementEconomic benefits
Provided are a basement water-proof structure and a construction method for a basement outer wall water-proof structure thereof. A basement comprises a basic bottom plate, a basement wall body and a basement top plate. Wall bushings are formed in the basement wall body. The basement wall body comprises a guiding wall and a basement outer wall. Construction joints between the guiding wall and the basement outer wall are connected and fixed through water-stop steel plates. A concrete gel layer and a cross film water-proof layer are arranged at the periphery, from inside to outside in sequence, of the basement outer wall and the basement top plate. A second additional cross film water-proof layer is arranged in the portion, located at the inside corner position between the wall bushings and the basement wall body, of the cross film water-proof layer. The tail ends of the cross film water-proof layer and the second additional cross film water-proof layer are fixed to the wall bushings through metal hoops, and are sealed by applying polyurethane. The basement water-proof structure and the construction method for the basement outer wall water-proof structure have the characteristics of being safe and applicable, have good popularization and use value, and can generate good economic benefits after being widely popularized and applied.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Waterproof coiled material pre-paving and inverted sticking process

The invention provides a waterproof coiled material pre-paving and inverted sticking process. A waterproof coiled material is paved under a basement bottom plate and on a cushion layer and comprises an HDPE bottom film, a self-adhesive glue film and a reaction sand anti-sticking layer. The reaction sand anti-sticking layer is arranged on the self-adhesive glue film. The HDPE bottom film is arranged under the self-adhesive glue film. The waterproof pre-paving construction technology comprises the following processes of a, basic layer examination and acceptance, b, working surface transfer, c, basic layer cleaning, d, joint enhancement treatment, e, snapline positioning; f, coiled material paving, g, coiled material lapping treatment, h, coiled material head unwinding and fixing, i, self-checking and acceptance and j, working surface transfer. According to the waterproof coiled material pre-paving and inverted sticking process, compared with a traditional waterproof method, the construction time and the maintenance time of a leveling layer and a protective layer are omitted, the structure level is optimized, so that the construction period is greatly shortened, and the construction cost is greatly reduced; and the effects of environmental protection and safety are achieved, solvent and fuel are not needed in the construction process, environmental pollution and firefighting hidden dangers are avoided, and energy sources are saved.
Owner:SHENZHEN LANDUN WATERPROOF ENG

Manhole with locking device

The present invention relates to a manhole (10) with a locking device, and more particular to a manhole with a locking device, which comprises a manhole frame (20) having a plurality of insertion slots (24) inwardly protruded from an inner circumferential surface thereof, each insertion slot (24) having a latching protrusion (26) formed in such a manner that a top surface of the insertion slots (24) is partially opened; a bearing member (30) having a female screw portion formed on the center thereof and a plurality of fastening pieces (36) radially formed outwardly from the outer circumferential edge thereof, so that the bearing member (30) is detachably fastened to the manhole frame (20); and a manhole cover (40) having a through-hole (41) centrally formed therein so that an upper portion of the vertical screw rod (42) is rotatably inserted into the through-hole (41), the vertical screw rod (42) having a male screw portion (45) formed on the lower portion thereof so as to be threadably fastened to the female screw portion (35) of the bearing member, a head portion (43) formed on the upper portion thereof so as to abut against an upside surface of the manhole cover (40), and a support portion (44) formed on the upper portion thereof so as to abut against an underside of the manhole cover (40), so that the manhole cover (40) is closed by rotating the head portion (40) of the vertical screw rod (42). Thus, in a case of the manhole (10) mounted on a vehicle road, the manhole cover (40) is prevented from being separated from the manhole frame (20) without permission by a vehicle running at a high speed as well as from frictional noise generated between the manhole cover (40) and the manhole frame (20). Further, in a case of the manhole (10) mounted on the waterside of a river, the manhole (10) maintains its watertightness and is readily opened and closed by an operator.
Owner:SAEGYE CAST IRON

Composite anti-seepage structure for red mud tailing ponds

The invention discloses a composite anti-seepage structure for red mud tailing ponds, which comprises an anti-seepage layer, a flexible protective layer and a rigid protective layer, wherein the anti-seepage layer is arranged on a side slope, the flexible protective layer is arranged on the anti-seepage layer, the rigid protective layer is arranged under the anti-seepage layer, an isolating layer is also arranged between the rigid protective layer and the anti-seepage layer, wheat straws or rice straws and clay are mixed to form the isolating layer, and the materials of the anti-seepage layer include polycarbonate, polytetrafluoroethylene, polybutylene terephthalate, fly ash, hammer-milled glass fibers, graft copolymerization acrylic acid derivative, antioxidant, ultraviolet light absorber and anti-aging agent. The physical and chemical properties of the adopted anti-seepage materials are stable, the low-temperature properties and the ageing resistance are excellent, the right-angled tear resistance is high, the reliability of joints is high, the strength of the whole anti-seepage layer structure is high, and the composite anti-seepage structure has extremely high tensile strength and elongation in order to adapt to local anti-piercing strength on sand and stones in a large-area tailing stack, thus ensuring that wastewater from red mud cannot seep into the ground during the usage of the stack.
Owner:乐陵市建兴装饰工程有限公司

Underground impermeable-membrane plug connector and construction method thereof

The invention provides an underground impermeable-membrane plug connector and a construction method thereof. The underground impermeable-membrane plug connector comprises a connector body, wherein atleast one grouting slot unit is arranged in the connector body; each grouting slot unit comprises a first grouting cavity and a second grouting cavity which communicate with each other; openings are arranged at side ends of the connector body and communicate with the first grouting cavities correspondingly; plugs are arranged in the grouting slot units, and comprise linking sections, adaptive mounting sections and limiting sections; the linking sections extend out of the connector body from the openings; the adaptive mounting sections are movably inserted into the side parts of the openings; and the limiting sections are clamped in communication positions between the first grouting cavities and the second grouting cavities, extend into impermeable membranes or permeable membranes, and areconnected with the impermeable membranes or the permeable membranes through the linking sections. By the adoption of the underground impermeable-membrane plug connector provided by the invention, theproblem about how to apply the impermeable membranes to underground impermeable treatment construction can be solved, the construction quality and efficiency can be further improved, and the pollutionpossibly caused by construction can be reduced.
Owner:SHANGHAI YUANFANG GROUNDWORK ENG

High-molecular self-adhesive film waterproof roll welding and lapping structure and construction method

ActiveCN105672367ASolve the problem that cannot be constructedMake up for the defects that are not easy to applyProtective foundationGasketsAdhesive beltWeld seam
The invention discloses a high-molecular self-adhesive film waterproof roll welding and lapping structure and construction method. The structure comprises two pairs of rolls, two welding seams in the lapping edges, a reserved cavity positioned between the two welding seams in the lapping edges, and a sealing adhesive tape covering and bonded to the upper part of the lapping part, wherein the rolls at the lapping part adopt the structures without adhesive layers. The construction method comprises the following steps: taking the two pairs of high-molecular self-adhesive film waterproof rolls in place; removing the self-adhesive layers at the lapping part of the rolls through special equipment, and exposing a base layer plate; lapping the two welding seams in the lapping edges, where the adhesive layers are removed, of the two pairs of rolls through a welding machine; detecting the welding and sealing quality through the cavity reserved between the two welding seams; covering the lapping edges through sealing tapes to enable the lapping edges and the rolls on the two sides to both achieve the property of the self-adhesive film rolls. According to the structure and construction method, through the treatment of the adhesive layers, the rolls can be welded and lapped, the lapping edges can be subjected to airtight detection, the lapping is firm and reliable, and the adaptability is strong.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

Building foundation impermeable membrane connecting device and building foundation impermeable membrane connecting method

The invention relates to a building foundation impermeable membrane connecting device and a building foundation impermeable membrane connecting method, which are suitable for engineering construction of hydraulic engineering dams, reservoir dams, channels, ponds and the like so as to meet impermeable functional requirements, the tensile strength between new membranes as well as between a new membrane and an old membrane in an impermeable system can be effectively guaranteed, and the impermeable requirements are satisfied. The connecting device comprises inner pipes and outer pipes, wherein insertion openings are axially formed in pipe bodies of the inner pipes, bayonets are axially formed in pipe bodies of the outer pipes, and the outer pipes are clamped on the upper surfaces of impermeable membrane coiling layers which are wrapped outside the inner pipes, so that impermeable membranes I and impermeable membranes II which are used by two building foundations are connected together segment by segment, and the outer pipes as well as the inner pipes are abutted one by one. According to the building foundation impermeable membrane connecting device and the building foundation impermeable membrane connecting method, the leakage problem of the connecting positions of the impermeable membranes is solved, the impermeable purpose is achieved, and the engineering quality is effectively increased.
Owner:中石化石油工程技术服务有限公司 +1

Replaceable surface layer combined sealing structure for concrete structural joint

The invention discloses a replaceable surface-layer combined water-stop structure for concrete structural joints. Grooves or reserved grooves are made on both sides of the structural joints on the concrete surface to form water-stop grooves. U-shaped rubber water-stop belts are glued The adhesive is glued to the bottom of the water stop, and two sets of stainless steel bolts are used to fix the two water stop pressure plates on both sides of the structural joint parallel to the structural joint, and the U-shaped rubber water stop is pressed tightly on the bottom surface of the water stop On the top, the raised U-shaped part of the U-shaped rubber waterstop is inserted into the structural split, and the sealant is injected between the gap material in the structural split and the raised U-shaped part, and the upper part of the U-shaped rubber waterstop Fill the elastic material, fill up the water stop groove, and paint the elastic waterproof coating on the surface of the water stop groove after filling, and the elastic waterproof coating will span the entire water stop groove and bond with the concrete structure on both sides of the surface. It can be widely used in newly-built concrete structures with anti-seepage requirements, joint water seals at the junction of new and old concrete, and renovation of old concrete structures.
Owner:CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products