106 results about "Dual injection" patented technology

A waterproof case for a portable terminal is provided. The waterproof case includes a waterproof member assembled to the portable terminal to wrap an outer perimeter of the portable terminal, the waterproof member being formed with an opening for partially exposing the portable terminal, a protective member configured to wrap an outer perimeter of the waterproof member, the protective member being integrally formed with the waterproof member through dual injection molding, and a waterproof rib formed from an elastic material around the opening on an inner surface of the waterproof member, the waterproof rib being configured to come into close contact with the outer perimeter of the portable terminal

A method of dual injection molding is provided herewith. Generally, the method comprises the steps of providing a first mold to produce an inner portion of a product; forming the inner portion from a first plastic material such as polypropylene; providing an insert in the form of a logo or other indicia; combining the insert with the inner portion of the product; providing a second mold to receive the inner portion and insert combination; and injecting a second plastic material such as Santoprene® into the second mold around the core-insert combination, thereby forming a cover around the core and leaving at least one surface of the insert exposed so that it is visible.

The invention discloses a preparation method and the production process of a complex injection of 13 vitamins. The injection adopts dual-injection type, the invention overcomes the problem of solubility of the fat-soluble vitamins in water, so the invention can be prepared into the water injection; the stability of the product is good, and various vitamins can not be affected mutually. The injection includes water-soluble vitamins, fat-soluble vitamins, surfactant, antioxidant, complexing agent and solvent, the injection water is added till the dissolution, the activated carbon is added for absorption, the pH value of the solution is regulated, and then the nitrogen filling and sterilization are carried out. The production process of the invention prepares the injection into dual-injection type, the vitamin B12, folic acid and biotin have an independent package, the process overcomes the problem of solubility of fat-soluble vitamins in water, the invention can be prepared into water injection, the stability of the product is good, and various vitamins can not be affected mutually, the vitamins can be added in a large infusion for usage, so as to avoid the trouble of redissolution and reuse of the freeze-dried powder injection.

A dual injection type internal combustion engine including an injector for in-cylinder injection and an injector for intake manifold injection includes learning means for learning a background noise level based on an output signal of a knock sensor, and knocking suppression control means for performing, while learning the background noise level, knocking suppression control by controlling fuel injection of the injector for in-cylinder injection or the injector for intake manifold injection. Alternatively, the engine includes fixing means for fixing, while learning the background noise level, a start timing or end timing of fuel injection by the injector for in-cylinder injection at a basic timing determined by an operating state of the engine.

A method for recovering petroleum from a formation, wherein at least two injection wells and at least one production well are in fluid communication with said formation, comprising: introducing a gaseous mixture into a first and a second injection well at a temperature and a pressure, wherein said gaseous mixture comprises steam and non-condensable gas (NCG); and recovering a fluid comprising petroleum from said production well, wherein said injection wells and a production well are horizontal wells, and wherein said first injection well is disposed 1-10 meters above said production well, and said second injection well is disposed at least 5 meters above said first injection well.

A pharmaceutical capsule container comprises (i) a novel vial having a closed-bottom window formed from a transparent polymer, and a side-wall formed from a light-blocking polymer, and (ii) a safety cap. The vial is made as one piece by dual injection molding. The window serves as a clear-view window through which a pharmacist may view capsules inside a closed capsule container. In a preferred embodiment the window serves as a magnifying lens for easier recognition of capsule indicia. A pharmacist uses the invention to re-verify the type and strength of the capsules in a filled, closed capsule container against the type and strength specified in the prescription by viewing the capsules in the filled, closed capsule container. The pharmacist holds the capsule container upright and looks up to view the capsules in the container through the window in the bottom of the vial This enables the pharmacist to re-verify a prescription without being required to remove and replace the safety cap every time a prescription is filled.

The invention discloses a dual injection molding method of a built-in insertion piece and a built-in insertion piece type electric-device housing that produced by the method, wherein the method comprises the following procedures: separating a mobile mold of a first mold assembly from a fixed mold and opening the assembly; setting the insertion piece in the mobile mold of the first mold assembly; combining mobile mold of the first mold assembly with the fixed mold; transfusing a first transfusion liquor into a first mold assembly through an entrance for transfusing the transfusion liquor; opening the first mold assembly; moving a first injection molding product to the mobile mold of the second mold assembly; combining the mobile mold of the second mold assembly with the fixed mold; transfusing a second transfusion liquor into a second mold assembly through an entrance for transfusing the transfusion liquor; opening the second mold subassembly; and taking out the completed injection molding product from the second mold assembly. The electric-device housing produced by the method comprises a double structure that formed by an external surface and an interior surface and the insertion piece inserted between the two surfaces.

A dual-injection molding article (10) includes a first molding portion (20), a second molding portion (30) and a groove (40). The first molding portion has a hole (213) defined therein, and an inside surface (214) surrounding the hole. The second molding portion includes a base plate (31) and a protruding portion (33). The base plate is integrally formed on the first molding portion. The protruding portion is inserted inside the hole. The groove is defined between a peripheral sidewall of the protruding portion and the inside surface of the first molding portion. A method for making the dual-injection molding member is also provided.

A medical device includes a catheter body having a first injection lumen, a second injection lumen, and an exhaust lumen, where the first injection lumen provides a fluid flow rate greater than a fluid flow rate provided by the second injection lumen; an expandable element coupled to the catheter body in fluid communication with the first and second injection lumens; a cryogenic fluid source in fluid communication with the first and second injection lumens; a valve in fluid communication with the first and second injection lumens to selectively allow fluid flow to at least one of the first and second injection lumens; a pressure sensor in fluid communication with an interior defined by the expandable element; and a controller in communication with the pressure sensor programmed to regulate fluid flow through the first injection lumen based at least in part on a signal from the pressure sensor.

The invention relates to an air-liquid dual injection type airlift loop reactor comprising a fermentation tank. The air-liquid dual injection type airlift loop reactor is characterized in that guide cylinders are arranged in the fermentation tank, a liquid ascending area is arranged inside each guide cylinder, a liquid descending area is arranged among the guide cylinders and the fermentation tank, an annular distribution pipe is mounted on the lower portion of the liquid ascending area and provided with a plurality of spray holes, one or more static spiral cutting devices are mounted at the bottom of the fermentation tank, and each static spiral cutting device is provided with an air-liquid mixture outlet, a fermentation liquid input inlet and a compressed air input inlet, wherein the compressed air input inlet is connected with an air source, the air-liquid mixture outlet is connected with the distribution pipe, and the fermentation liquid input inlet is connected with a circular liquid outlet in the bottom of the fermentation tank through a pipeline. The air-liquid dual injection type airlift loop reactor has the advantages that difficulties in mixed air-liquid delivery and air-liquid coupling of an airlift biological fermentation system are overcome, biological treatment capability of the airlift loop reactor can be given to full play maximally, treatment efficiency is improved and energy consumption is reduced.

The invention relates to a nano-class silver oxide and preparation method thereof which comprises, using dual injection control technology, stirring through a stirrer, charging silver nitrate water solution and sodium-hydroxide water solution simultaneously into reaction system containing protective agent water solution, obtaining silver oxide particles and performing cooling down, filtering, washing and drying.

The invention relates to a simple dual-injection-pipe energy-saving cooker with a circular windproof bracket with holes. The simple dual-injection-pipe energy-saving cooker comprises a cooker body, the windproof bracket with holes, a combustion supporting plate, fire passing holes, injection pipes, a valve, a gas inlet pipe, support feet and a connecting sheet, wherein the valve is arranged on the gas inlet pipe, one end of the gas inlet pipe is arranged in the injection pipes, the injection pipes are arranged at one side of the cooker body, the connecting sheet is welded between the injection pipes, the windproof bracket with holes is arranged on the cooker body, the combustion supporting plate is arranged on the cooker body, the fire passing holes are formed in the combustion supporting plate, and the support feet are fixed at the bottom of the cooker body. The simple dual-injection-pipe energy-saving cooker is simple in structure, low in manufacture cost, less in heat loss and uniform in heating and has a fuel-saving effect, and waste gas generated by the cooker is reduced.

The invention discloses an efficient dual injection type refrigeration system and a method thereof. The system comprises a generator, a main injector, an evaporator, a condenser, a dephlegmator used for a gas and liquid separator, a second injector adopting high-pressure liquid injection gas, a working medium pump used for liquid boosting and a throttling mechanism for throttling liquid supply to the evaporator. According to the efficient dual injection type refrigeration system and the method, the non-complete condensation manner is adopted in a single working medium or no-azeotropy mixed working medium, the area and the load of the condenser are better reduced, that is, the heat load of the generator is reduced, and therefore the heat ratio of the injection type refrigeration system is improved; and a backheating exchanger is arranged between the main injector and the condenser, so that condensation heat is further recycled, the heat loads of the generator are reduced, and the thermal performance of the injection type refrigeration system is further improved.

The dual injection airlift pump has a hollow tubular body through which the liquid being pumped passes upward from the lower intake end to the upper outlet end. Air or other gas is injected into the liquid in the pump body, the less dense gas adding buoyancy to the liquid and entraining the liquid to rise toward the outlet end. The dual injection airlift pump includes two air injection stages, with the first or lower stage having a perforated interior sleeve allowing the gas to pass therethrough to be injected radially into the liquid. The second, upper stage has an impervious sleeve defining a gap between the sleeve and the interior surface of the pump wall, the lower end being sealed and the upper end open. Air is injected between the sleeve and pump wall, the air exiting at the upper or downstream end in an axially peripheral flow pattern.

The invention discloses a photonic crystal-loaded zigzag waveguide dual-injection slow-wave structure; by virtue of a forbidden band characteristic of a photonic crystal structure, propagation of electromagnetic wave in a relatively distant region outside the open broadside of the broadside open zigzag waveguide can be blocked; equivalently, the waveguide cavity space of the conventional zigzag waveguide propagated by adopting a TE20 mode is reduced, so that electric field energy can be more concentrated, thereby realizing establishment of a larger electric field at the same input power, and coupled impedance of a slow-wave structure is increased; the electric field structure in the broadside open zigzag waveguide is equivalent to a part of the electric field in the conventional zigzag waveguide, and has the dispersion characteristic similar to that of the conventional zigzag waveguide; and equivalently, the photonic crystal-loaded zigzag waveguide dual-injection slow-wave structure has similar dispersion characteristic and bandwidth as the conventional zigzag waveguide adopting the TE20 mode.

The invention relates to a rod-shaped silver vanadate photocatalytic material and a preparation method thereof. The photocatalytic material is formed by the component of: rod-shaped silver vanadate crystallites. The preparation method comprises the following steps: (1) carrying out a dual-injection precipitation method to prepare the rod-shaped silver vanadate crystallites in the presence of a polymer protective agent; (2) washing by warm water in order to remove the polymer protective agent and inorganic salt; and (3) storing the silver vanadate crystallites by gelatin. According to the preparation method, the preparation process is simple, condition is mild and the post-processing is convenient, so that the method is suitable for being carried out to prepare the rod-shaped silver vanadate photocatalytic material.

A method for fabricating a display window member for a portable terminal includes: fabricating a surface sheet to be attached to a surface of the window member; introducing the surface sheet into a mold; and molding the body of the window member by pouring poly synthetic resin into the mold, and at the same time, attaching the surface sheet to the outer surface of the body. Since the window member fabrication method employs a dual injection molding using polymer synthetic resin, the fabrication method can easily reduce the weight of the window member compared to the conventional fabrication method using a glass material only and can reinforce the surface hardness of the window member while easily fabricating the window member.

The present invention relates to an antistatic component and a method of manufacturing the same. An antistatic component of the present invention comprises buttons each of which includes a push portion 11 or 11′ formed at one end of the button and made of a first resin and a switch contact 13 or 13′ formed at the other end of the button and made of a second resin; and an elastically-deformable connection portion 15 formed integrally with the switch contact 13 or 13′ so as to connect the plurality of buttons to one another. The push portion is exposed outward to be pushed and has a plating layer 12 or 12′ formed thereon, and the switch contact selectively operates a tact switch 4 or 4′. The first resin comprises a plating material and the second resin comprises a non-plating material. The switch contact and the connection portion, and the push portion are formed integrally with each other by means of dual injection molding. With the antistatic component and the method of manufacturing the same according to the present invention constructed as above, penetration of static electricity is prevented while the durability and appearance of the button are maintained. Thus, there are advantages in that the appearance of a part can be sufficiently decorated, an internal system can be effectively protected, and a process of manufacturing a part can be simplified, resulting in improved productivity.

The invention discloses an ammonia and urea dual injection system. The ammonia and urea dual injection system comprises a urea box, a urea pump, a urea nozzle, an ammonia storage tank, an ammonia metering valve, an ammonia nozzle, an ECU (Electronic Control Unit) and a postprocessor. According to the ammonia and urea dual injection system, urea injection is focused, ammonia injection is performedonly in special working conditions of cold start, low exhaust temperature, urea icing or superhigh SCR conversion efficiency, and the problems of low exhaust temperature, low conversion efficiency inthe working condition of cold start and easiness in crystallization and blockage of a national VI urea system can be solved; the problems of unfreezing first and having no capability of quickly discharging when the national VI urea injection system is operated in a cold area are solved; the problem of difficulty in implementation of 99% of the national VI SCR conversion efficiency can be solved; and the problem of inconvenience in popularization and use of the ammonia injection system is solved.