1455results about How to "Prevent sinking" patented technology

The invention provides a fluid product service life testing device. The fluid product service life testing device comprises a fluid generation device, a fluid product testing region and a washing device, wherein a fluid circulating pipeline is formed between the fluid generation device and the fluid product testing region; fluid flows into the fluid product testing region from the fluid generationdevice and then continually flows back into the fluid generation device; the washing device is communicated with the fluid circulating pipeline; the washing device is communicated with the fluid product testing region and then is communicated with the fluid generation device through the fluid circulating pipeline; the fluid generation device is connected with a sediment recycling device. The fluid product service life testing device can be used for testing the service life of a product through simulating fluid flowing of production conditions.

Repairs of cartilage defects or of cartilage / bone defects in human or animal joints with the help of devices including a bone part (1), a cartilage layer (2) and a subchondral bone plate (4) or an imitation of such a plate in the transition region between the cartilage layer (2) and the bone part (1). After implantation, the bone part (4) is resorbed and is replaced by reparative tissue only after being essentially totally resorbed. In a critical phase of the healing process, a mechanically inferior cyst is located in the place of the implanted bone part (1). In order to prevent the cartilage layer (2) from sinking into the cyst space during this critical phase of the healing process the device has a top part (11) and a bottom part (12), wherein the top part (11) consists essentially of the cartilage layer (2) and the subchondral bone plate (4) and the bottom part (12) corresponds essentially to the bone part (1) and wherein the top part (11) parallel to the subchondral bone plate (4) has a larger diameter than the bottom part (12). After implantation in a suitable opening or bore (20), the cartilage layer (2) and the subchondral bone plate (4) are supported not only on the bone part (1) but also on native bone tissue having a loading capacity not changing during the healing process. Therefore, the implanted cartilage layer cannot sink during the healing process.

A modular assembly capable of converting from a shipping container configuration into a building unit, and from a building unit into a shipping container configuration. From the shipping container configuration, a plurality of frame panels and unit panels moveably connected to a frame of the modular assembly are selectively positioned to form the floors, walls, and ceilings of the building unit configuration thereby forming a living and / or commercial structure complete with electrical, water and sewage connections. The assembly may include an automated erection system, which may include a system of electric motors, gears, pulleys, cables, automated mechanical arms and electronic controls, located within the container structure of the modular assembly, and which interact with a plurality of frame panels and unit panels to deploy and retract the plurality of frame panels and unit panels for constructing the shipping container configuration and building unit configuration.

A backlight assembly includes a light-generating device, a receiving container, a first heat-dissipating member, a heat-blocking member, and a second heat-dissipating member. The receiving container receives the light-generating device. The first heat-dissipating member contacts the receiving container. The heat-blocking member is disposed on the first heat-dissipating member. The second heat-dissipating member contacts the first heat-dissipating member. Therefore, liquid crystal is prevented from being deteriorated by heat generated by a light source.

A head support device which enables a user to comfortably rest in the prone position. The head support device includes a padded member having a generally horse-shoe shape with a top, arcuate sides spaced apart ends, a first inner side wall and a second inner side wall, a first region for supporting the user's face in the frontal sinus area, a second region adjacent to the eye socket and cheek area for supporting the user's face area, and a third region for support along the sides of the user's mandible. The support device also includes a substantially rigid support member for supporting the padded member. The support member has a pair of upstanding splayed outwardly walls which define an air channel for the free exchange of air when the user inhales or exhales. The support member has a plurality of opposing, substantially parallel zones which provide support for the above described support regions of the padded member when the user is lying in the prone position. The padded member is secured to the support member using an attachment method that does not interfere with said padded member conforming to the facial configuration of the user.

A floating decoy system is provided for agitating the surface of a water body on which the device is deployed in a manner that is attractive to live game animals (e.g. live waterfowl). The system includes a frame, which is disposed partially above and partially below the surface of the water and suspended from a plurality of floating means. The device also includes an agitator assembly, which is slidably mounted to the frame above the surface of the water and produces ripples on the water surface and the sound of splashing water. The ripples and sound of splashing water are intended to simulate an active area where wild game are swimming, feeding, and interacting. Additionally, an airborne decoy may be mounted atop the frame to give the device added attractiveness to wild game. An alternative embodiment requires the removal of floating means and the anchoring of the frame to the bottom of the water body. The invention further includes a method for attracting live game animals to a target area by agitating the surface of a water body in a manner that simulates the appearance and sound of swimming, feeding, bathing, and commingling live game.

An earmuff includes: a casing; a baffle board; and an ear pad including an engagement member, the engagement member being an outwardly extended part of a skin member of the ear pad. The ear pad is fixed at a front of the baffle board with the engagement member constrained to an outer surface of either of the baffle board and the casing or both by a ring-shaped elastic member, and the ear pad fixed and the baffle board define a front air chamber.

The invention discloses an artificial hip joint consisting of multilayer shell core composite structural components. The artificial hip joint comprises an artificial acetabulum and an artificial thigh bone. The artificial hip joint is characterized in that: the artificial acetabulum has a multilayer shell core composite structure and consists of a ceramic acetabulum lining, a transition layer, a porous metal, a porous alloy or a porous toughened ceramic acetabulum shell; the artificial thigh bone has a multilayer shell core composite structure and consists of a ceramic spherical shell layer, a transition layer and a toughened ceramic inner core. The ceramic acetabulum lining and the spherical shell layer of the artificial thigh bone have high hardness, corrosion resistance and abrasion resistance; the artificial acetabulum shell layer and the inner core of the thigh bone have high toughness and impact resistance; and the transition layers are made of gradient composite materials between the materials for the shell layer and the inner core layer, and have the functions of increasing the bonding strength between the shell layer and the inner core layer, reducing the interface stressbetween the shell layer and the inner core layer and the like. The artificial hip joint has the characteristics of long service life, high reliability, high performance and the like.

The invention relates to an exterior wall waterproofing heat-insulating decorating integrated material and a preparation method thereof.The preparation method includes: using conventional resin like polyurea and polyurethane as raw materials, adding compound micropowder prepared from solid waste and sludge, and adding a mixed modifier and a thixotropic agent to prepare A-compound slurry; adding a promoter and a hardener, and performing spray coating, brush coating, roll coating and pouring methods to obtain the exterior wall waterproofing heat-insulating decorating integrated material.The material has the comprehensive advantages of good waterproof effect, high heat insulativity, high hardness, high hole closing rate, low density, good anti-seepage performance, high corrosion resistance, low linear expansion coefficient, high softening temperature, oxidization resistance, aging resistance, flame retardancy and firmness in binding with a substrate.When the material is used for building exterior walls, multiple times of leveling, waterproofing, heat insulating and decorating construction are not needed, on-site moisture-free operation and one-time forming can be realized, and the material is short in construction period, extremely low in cost and great in market prospect.

The super-abrasive grain fixed type wire saw is equipped with two layers consisting of a brazing material layer (13) and a metal plating layer (16), the aforementioned brazing material layer (13) serving to temporarily fix super-abrasive grains (14), and the aforementioned metal plating layer (16) serving to hold the super-abrasive grains (14). The thickness of the brazing material layer (13) is 10% or less of the average grain diameter of the super-abrasive grains (14). The brazing material layer (13) is formed on the surface of a wire (10) in advance. The super-abrasive grains (14) are dispersed and adhered in a single layer onto the brazing material layer (13). Subsequently, the surface of the brazing material layer (13) is melted and solidified, resulting in a super-abrasive-grains-temporarily-adhered wire (12) such that super-abrasive grains (14) are joined to the adhesion surface of the brazing material layer (13). Thereafter, the super-abrasive-grains-temporarily-adhered wire (12) is metal-plated.

The invention discloses a new unmanned express delivery conveying system and conveying method. Detailed plans are made from goods departure, to transportation paths, and finally to clients, so that the goods are safely, accurately and fast to be delivered to the clients. In addition the invention carries out further optimization on RF labels. The cost is reduced so as to make the system and conveying method of the invention to have stronger market competitiveness. The operation is simple and unattended. The unmanned express delivery conveying system runs 24 hours a day. RFID labels are automatically added to express delivery articles. It is helpful to automatic sorting. A large number of time and manpower are saved. After express items are in place, confirmation information is sent to recipients in real time, and the safety is improved. The unmanned express delivery conveying system and conveying method can be widely used in various communities where express delivery is frequently needed, and are safe and fast, low in cost and convenient in maintenance.

The invention provides a fracturing method capable of improving the sand-carrying performance of fracturing liquid. The method comprises the following steps: dispersing degradable fibers by virtue of a dispersion device, and uniformly dissolving the dispersed degradable fibers in a fracturing liquid base solution; pumping into a fracturing blender truck, and mixing with a propping agent for fracturing so as to form sand-carrying fluid; then pumping the sand-carrying fluid dissolved with the fibers into a strata so as to support a formed fracture geometry. When the degradable fibers added into the fracturing liquid are uniformly dispersed in the fracturing liquid, the fibers and a guanidine gum chain with a network structure form a tangled structure, so that the strength of the cross-linked network structure is enhanced, the sedimentation rate of the propping agent is reduced, the sand-carrying capacity of the fracturing liquid is improved, the propping agent is uniformly distributed in a whole crack, a supporting effect is fully realized, the crack is prevented from being closed and thus the fracturing period of validity is increased; furthermore, the added fibers are capable of effectively preventing the propping agent from flowing back and preventing formation sand flow; an oil gas flow passage is additionally increased, so that the fracturing yield-increasing effect is finally realized.

An ice chest has retractable, telescoping legs extending at respective forward and rearward angles from each respective endwall of the ice chest. The ice chest has handles at the upper central portion of the ice chest endwall having push buttons therein which release the telescoping legs from a locked position and which fall to the open position under their own weight and lock in a secure position. The push buttons actuate the locks by a linkage system. The front legs have pads at their lower ends, protecting the ends of the legs, and providing weight to pull the legs into the open, locked position. The rear legs have wheels which also providing weight to pull the legs into the open, locked position. A similar water cooler has retractable legs which have pads on their lower ends pulling the legs downward upon pushing buttons on handles on the sidewalls.

A waterproof enclosure for enclosing a handheld electronic device is described. The enclosure includes a flexible bag having an interior cavity for enclosing the handheld electronic device and an opening for insertion of the device into the bag cavity, a closure for releasibly sealing the bag opening, and a sealable exhaust tube extending from the bag cavity to the exterior of the bag for use in evacuating air from the bag cavity when the opening is sealed. The tube preferably includes a one-way valve allowing air to flow from the bag cavity, but not into the bag cavity. A detachable means, such as a rubber bulb, may be included to withdraw air from the cavity through the tube. The case may also include an electronic jack extending from the bag cavity to the exterior of the bag.

The invention provides concrete integral pouring construction method and device for a road inspection well. The method comprises advance constructions and post constructions, wherein the advance constructions comprise the following steps of: measuring and paying off; excavating a wellhole; pouring a reinforced concrete foundation bottom and building a wellhole protection wall; connecting pipelines; building a well chamber; mounting a tread; backfilling well perimeters; reserving a branch pipe; building a close up section; mounting a cover plate; building the wellhole; covering and protecting; backfilling cement and stone dust to the well perimeters; and constructing a pavement basic layer. The post constructions comprise the following steps of: excavating the pavement basic layer covered on the wellhole to expose the wellhole, dismantling the cover plate and excavating a concrete foundation pit by using the wellhole as a center, wherein the radius of the excavated foundation pit two times larger than or equal to that of the wellhole; laying reinforcing steel bars in the foundation pit and supporting an inner mold in the wellhole; overhanging a well cover on the wellhole by a fixing bracket overhanging device; adjusting the altitude of the well cover; pouring concrete into the foundation pit and keeping the height of the concrete parallel to the bottom of the well cover; building the perimeters of the well cover into a cement slope by concrete; carrying out acceptance checks; paving a bituminous pavement on the perimeters of the well cover and keeping the bituminous pavement parallel to the well cover.

A backlight assembly includes a light-generating device, a receiving container, a first heat-dissipating member, a heat-blocking member, and a second heat-dissipating member. The receiving container receives the light-generating device. The first heat-dissipating member contacts the receiving container. The heat-blocking member is disposed on the first heat-dissipating member. The second heat-dissipating member contacts the first heat-dissipating member. Therefore, liquid crystal is prevented from being deteriorated by heat generated by a light source.

The invention discloses an artificial hip joint on a bone trabecula microporous surface, which is designed for solving the problem of secondary operation repairing caused by later-period loose or sunk acetabulum or femoral stem existing in a traditional artificial hip joint. The artificial hip joint on a bone trabecula microporous surface comprises a femoral stem body, wherein a stem neck is arranged at the upper end of the femoral stem body and is in socket joint with an acetabulum liner, a femoral ball head is in socket joint outside the acetabulum liner, an acetabulum cup is in socket joint outside the femoral ball head, and a bone trabecula microporous layer is formed on at least one of the outer surfaces of the femoral stem body and the acetabulum cup. After the artificial hip joint is implanted into a human body, the artificial hip joint and natural bones can be integrally fixed to effectively enhance the fixation effect, prevent the artificial hip joint from loosening or sinking for a long time and prolong the service life.

A liquid crystal display device can properly maintain a distance between a TFT substrate and a counter substrate even when an organic film which constitutes color filters or the like is formed on a TFT substrate and pedestals are formed on the organic film. In a liquid crystal display device which includes a TFT substrate, a counter substrate and liquid crystal sandwiched between the TFT substrate and the counter substrate, support columns SOC which project toward a TFT substrate are formed on the counter substrate, thin film transistors, an insulation film PAS1 which covers the thin film transistors, organic films (color filter CF(G), CF(R)) which are arranged on the insulation film, and a transparent electrode CITO which constitutes a common electrode and is arranged on portions of organic films are formed on the TFT substrate, at least portions of the transparent electrode include a metal film which constitutes a common electrode auxiliary line CRM respectively, and portions of the metal film which are arranged on the transparent electrode form pedestals PED corresponding to the support columns SOC.

A modular assembly for a femoral prosthesis comprises a femoral prosthetic implant forming a spindle of elongate and tapered shape and a one-piece neck. The implant consists of a diaphyseal lower part and a metaphyseal upper part having a flat face delimited by an outer edge and in which a cavity is formed. The neck is formed of a tenon having a shape corresponding to the cavity, said tenon being fitted into the cavity along an insertion axis YY perpendicular to the flat face and a rod provided with an interface for fixing a cup that is to be inserted into the acetabulum of the hip bone. The rod is provided with a tongue which protrudes parallel to the flat face in a radial direction with respect to the insertion axis and directed towards the interior of the obtuse salient angle, at a distance from the flat face of between 0.3 mm and 1.5 mm measured along the insertion axis, the tongue having a free end located at a greater distance from the insertion axis than the part of the edge located opposite the tongue. The free end of the tongue overhangs somewhat with respect to the outer edge of the flat face of the femoral prosthetic implant, in such a way as to ensure that, in the event of sinking of the implant into the medullar cavity, the tongue will come into abutment against the femoral calcar.

The invention relates to a deironing method for secondary aluminum. The deironing method is characterized by comprising the following steps of (1) preheating 50-70% Al-B intermediate alloy and 30-50% Al-Mn intermediate alloy for 30-60 minutes at 150-250 DEG C, wherein the intermediate alloys account for 0.5-2% of mass of aluminum-silicon secondary aluminum; (2) maintaining the temperature for 10-30 minutes after heating the aluminum-silicon secondary aluminum to 400 DEG C; and raising the temperature to 700 DEG C; (3) after the aluminum-silicon secondary aluminum is melted, adding the intermediate alloys, slowly stirring, and standing for 0.5-4 hours after the intermediate alloys are melted; (4) dusting casting, fixing a mold on a vibration platform, and casting and cooling under the condition of mechanical vibration, wherein the frequency of the vibration platform is 10-40 Hz and the amplitude of the vibration platform is 5-10 cm. The deironing method is used for removing iron, refining grains and improving the shape of an iron-rich phase, can reduce the iron content of the secondary aluminum and improve the extension strength and rate of the secondary aluminum and is suitable for the aluminum-silicon secondary aluminum.

A method of detecting a tsunami by using the global positioning system (GPS) is provided. The method comprises steps of distributing a plurality of GPS receivers over a sea surface in a target area; receiving signals from GPS satellites by the plurality of GPS receivers, and transmitting the signals and coordinates of the plurality of GPS receivers to a computer; processing the signals to acquire a real-time monitoring data of the ionosphere, wherein the real-time monitoring data includes the distribution of electrons in the ionosphere above the target area; and determining the occurrence of a tsunami based on the distribution of electrons.

The invention discloses a bored pile construction method for reinforcing cage framework layered installation. The bored pile construction method for reinforcing cage framework layered installation comprises the steps of (a) making preparation for construction, (b) setting out a pile position, (c) manufacturing a pile casing and pre-burying the pile casing, (d) drilling a bore, (e) reinforcing a dado, (f) cleaning the bore for the first time, (g) manufacturing reinforcing cage frameworks and installing the reinforcing cage frameworks in a layered mode, (h) placing a guide tube, (i) cleaning the bore for the second time, (j) pouring concrete, (k) recycling the pile casing and (l) backfilling the pile bore. According to the bored pile construction method for reinforcing cage framework layered installation, the reinforcing cage frameworks are placed in the bore in a layered mode, aligned one by one and welded, so that a reinforcing cage is installed, and a traditional method that the reinforcing cage is directly installed is replaced; the reinforcing cage can be stably placed in the bore, and the reinforcing cage is prevented from colliding against the wall of the bore and prevented from deforming; in addition, the reinforcing cage can be accurately located to the center of a bore site, and the reinforcing cage is prevented from floating or sinking in the process of concrete pouring. Besides, by the adoption of the bored pile construction method for reinforcing cage framework layered installation, the speed is high, a construction period is short, and the quite high scientific performance and the feasibility are achieved.

The invention provides a surface drilling pressure relief gas extraction and overlying strata isolated grouting filling synchronous implementing method, and is suitable for extraction and filling under a building. A plurality of grouting drilling holes are formed in the surface and above the middle of a working face before exploitation of the coal working face, a plurality of gas extraction drilling holes are formed in the surface and above a boundary, overlying strata grouting filling is implemented by the grouting drilling holes in the exploitation process of the coal working face, pressure relief gas of an upper adjacent coal seam can be extracted by the gas extraction drilling holes, a gas extraction channel is isolated from a grout flowing channel by barrier action of a top upper adjacent coal seam, and synchronization of grouting and extraction is realized until grouting filling and gas extraction of all the drilling holes in the whole coal working face are finished. Pressure relief gas extraction and overlying strata grouting filling can be implemented synchronously, problems of grout filling and gas flowing disturbance are solved, and subsidence can be controlled while the gas is extracted.

The present invention provides a seat for a vehicle. In the seat for the vehicle having a seat liner, it is possible to thicken the seat liner, to prevent sitting posture from sinkage and to ensure sitting sensation to be well. Provided with at least two linear supporting members (50, 50) on the back face of a liner member (45), the supporting members (50, 50) are arranged on a portion (S) to be pressed primarily on one side facing to a sitter along with sitting on the seat, and the supporting members support the liner member (45). Here, the back face side (D) of the liner member (45) arranged between the support members (50, 50) is provided with a smooth curve shape in the pressing direction due to sitting. In addition, the back face side (D) of the liner member (45) with the smooth curve shape is provided with liner material (47) integrated with the liner member (45) in shaping.

The invention relates to a debris flow simulation test device and method capable of adjusting and controlling hazard-cause factors. A slurry storage box is arranged on a base platform and communicated with a debris flow forming area slurry tank through a slurry delivery pipe, the slurry delivery pipe is provided with a slurry pump and a slurry output valve, the debris flow forming area slurry tank is communicated with a debris flow circulating area slurry tank through a movable rubber belt, the debris flow forming area slurry tank and the debris flow circulating area slurry tank are both obliquely arranged, the included angle between the debris flow forming area slurry tank and the debris flow circulating area slurry tank and the horizontal plane is smaller than 90 degrees, and an opening formed in the bottom end of the debris flow circulating area slurry tank faces a horizontally-arranged data acquisition board. The device and method have the advantages of being easy to operate, convenient to assemble and disassemble, clear in result comparison and the like and are suitable for range prediction research of different types of debris flow hazard areas in mountain areas of China.

The combination umbrella and folding chair includes an umbrella section with first and second rectilinear poles with axially opposed top and bottom ends respectively. The umbrella section further includes a rotatable knob that allows the user to maintain the second pole in a fixed position and a circular and flexible covering. The assembly further includes a chair section with a flexible and planar seat member, a flexible and planar backrest, and a ring-shaped cup holder. The assembly further includes a mechanism for storing and transporting the umbrella section and the chair section simultaneously.

An easy to use device for the dialysis of a sample. The device embodies a liquid tight compartment, a portion of which is a membrane capable of allowing molecules and compounds of a pre-determined size to pass into and out of the compartment. The cartridge can be fabricated in a manner that provides a highly efficient surface area to volume ratio between the membrane and the sample, allows the use of standard laboratory pipettes for sample introduction and removal, is automatically oriented in a beneficial position when residing in dialysate solution, and prevents the potential for damage to the membrane from osmotic imbalance between the sample and the dialysate.

The invention relates to a prevention method of shallow-buried steeply-inclined coal seam rock burst. The prevention method includes following steps: (A) drilling a hole from ground to pre-splitting blasting a terrane or a rock pillar in floor and roof of a coal seam; (B) performing water-injection softening and pressure-releasing blasting to a mined coal seam; (C) after the coal seam being mined, performing deep-hole blasting to the floor and roof of the coal seam so that a hanging arch of the floor and roof is cut in advance and accumulated bending elasticity energy is released; and (D) filling a goaf of a working face with nonflammable objects after the coal seam being mined. In the prevention method, energy of the floor and roof are released through various measurements so that a strong rock burst disaster caused by fractured terrane or the rock pillar in the floor and roof can be prevented well. The method can effectively reduce an apparent intensity of a dynamic disaster during a mining process of a shallow-buried steeply-inclined coal seam and can reduced property loss and danger of worker life.

The invention discloses a high efficient photo-bioreactor for the culture of photosynthetic bacteria, which consists of a control system, a transparent cylindrical barrel body, an internal light source, an internal modulator tube sleeve brush, a water circulation flow guide device, a heating device and an electronic cooling device. The photo-bioreactor is characterized in that: the system is totally sealed; the internal light source and an external natural light source can be utilized simultaneously, the internal light source is arranged at the centre of the barrel body and protected by a quartziferous modulator tube sleeve, and the outer wall of which is provided with the lift type annular brush; the water circulation flow guide device is positioned at one side of the barrel body and comprises a mini submerged pump and a water circulation guide pipe; the lower end of the water circulation guide pipe is connected with a pump and the 1 / 3 upper part is provided with a column of water circulation outlets, direction of which is not vertical to the tangent plane of the barrel wall at the closer side, thus ensuring liquid in the reactor is fully stirred under anaerobic conditions; and the heating device and the cooling device are integrated in the water circulation guide pipe. The photo-bioreactor has convenient operation, low cost and safe production and can fulfill high efficient and continuous culture of photosynthetic bacteria.