1393results about How to "Simple molding process" patented technology

The invention relates to a metal-organic framework material for methane adsorption separation and a preparation method thereof. The metal organic framework material is prepared by reaction of at least a metal compound and at least one organic ligand, wherein the metal is one or more selected from Li, Mg, Al, Fe, Co, Ni, Cu, Zn, Mn, Zr, La and Sm, and the organic ligand is one or more selected from single or multidentate organic compounds containing nitrogen, oxygen or sulfur atom. The material has advantages of simple preparation process, high yield, easily available raw materials, mild reaction conditions; besides, the material has stable self properties and porous structure, and is especially suitable for separation of low-quality methane and purification process of high-concentration methane.

A radiolucent halo-type retractor (20) having a radiolucent curvilinear fixed member (32) connected to a radiolucent curvilinear movable member (34). Each of the fixed and movable members has a radiolucent male coupling (44, 46) projecting outward from a convex surface (40, 42) to receive a female coupling of a retractor arm. The ends (60, 68) of the movable member are separated by a distance less than a distance separating the ends (56, 64) of the fixed member. Radiolucent starburst connectors (58, 62) are disposed on first ends of the fixed and movable members to secure the fixed and movable members at a desired angular orientation. Radiolucent starburst connectors (66, 70) are also disposed on second ends of the fixed and movable members to secure the fixed and movable members at a desired angular orientation. A pin (72) rotatably connects the first ends. A locking shaft (76) rotatably connects the second ends and is operable to lock the fixed and movable members in a desired orientation.

A method of molding a microneedle using a mold apparatus that comprises a mold insert having the negative image of at least one microneedle, a compression core, and a mold housing configured to allow a reciprocal motion between the mold insert and the compression core. The mold apparatus has an open position and a closed position. The mold apparatus is placed in the closed position and polymeric material is injected into the closed mold apparatus. The injected polymeric material is compressed between the mold insert and the compression core by a reciprocal motion between the compression core and the mold insert. Also, molding methods wherein the mold apparatus has sidewalls having an injection gate. Also, molding methods comprising a heated mold insert. Also, molding methods comprising the application of ultrasonic energy to the mold apparatus.

In a manufacturing process of a semiconductor device, a manufacturing technique of a semiconductor device by which a lithography step that uses a photoresist is simplified is provided. A manufacturing cost is reduced and throughput is improved. An irradiation object is formed over a substrate by sequentially stacking a first material layer and a second material layer. The irradiation object is irradiated with a first laser beam that is absorbed by the first material layer and a second laser beam that is absorbed by the second material layer so that the laser beams overlap. A part or all of the region irradiated with an overlap part of the laser beams is ablated to form an opening.

The invention relates to a titanium silicate molecular sieve catalyst and the preparation method and the application thereof. The catalyst comprises 25-65 percent of titanium silicate molecular sieve and 20-65 percent of nanometer alumina. The mechanical strength is 20-30N/cm<2>. Prepared by an extruded moulding method, the catalyst has the characteristics of high mechanical strength, high catalytic activity and selectivity, and the like, and is especially applied to catalyzing 3-chloropropene oxidation reaction to prepare epichlorohydrin.

A plastic cleat (10) for a golf shoe is disclosed, including a cleat body (3), a plurality of flexible protrusions (1) and rigid protrusions (2) extending from the cleat body (3). The flexible protrusions (1) and rigid protrusions (2) provide good grips on grass without damaging the grass. The flexible protrusions (1) bend outwardly on a hard surface, when the rigid protrusions (2) chiefly support weight. The cleat (10) can be economically manufactured by "forced extraction molding" utilizing the shape rebounding nature of half hardened plastic materials.

An automotive fuel hose excellent in interlaminar adhesion between a low permeability resin layer and a rubber layer, wherein the low permeability resin layer and the rubber layer are directly adhered to each other without forming an adhesive layer at the interface between both layers. The automotive fuel hose has a laminated structure of a low permeability resin layer and a rubber layer, the low permeability resin layer is formed by the following (A) and the rubber layer is formed by the following (B). (A) a polyphenylene sulfide resin containing a softening component, or a modified fluororesin. (B) a rubber composition composed of at least one of an amine additive and an amine vulcanizing agent as an essential component.

A composite wear-resisting shoe sole is prepared from, by weight, 60-100 parts of natural rubber, 10-50 parts of styrene butadiene rubber, 5-20 parts of polar rubber, 10-60 parts of modified white carbon black, 1-10 parts of zinc oxide, 1-4 parts of accelerant, 0.1-0.5 part of antioxidant, 2.5-4.5 parts of active agent, 5-20 parts of filler and 1-10 parts of sulfur .The filler is tetrapod-like zinc oxide whiskers .According to the composite wear-resisting shoe sole, the natural rubber and a small amount of polar rubber are jointly used as main rubber materials, the white carbon black subjected to toluene diisocyanate graft modification is added to serve as a reinforcing material, the tetrapod-like zinc oxide whiskers of a highly regular structure are used as a filling frame, the accelerant, the composite antioxidant and the active agent are added in sequence, and the composite wear-resisting shoe sole with high slippery resistance and tear strength and a remarkably improved frictional coefficient is prepared.

The present invention has provided a welding forged steel single piece piston and its manufacturing methods. A semi-finished head and a semi-finished skirt are forged respectively; the semi-finished head and semi-finished skirt are heat-treated respectively; rough machining is carried out respectively to the semi-finished head and the semi-finished skirt, and a face of weld between the two adjacent ring grooves is higher than the one under the combustion chamber; the head and the skirt are welded together through friction welding; an annular groove, a combustion chamber, a ring groove, a pinhole, an outer annulus and oil inlet/outlet holes are manufactured respectively; and the surface of the piston is phosphorized and graphitized. Compared with one-piece forged piston, it has better processing technology, because the head and skirt are forged respectively and then welded together. Over-all structural rigidity of the piston has been increased, and distortion of the ring groove in high temperature is slight because the cooling oil recess is sealed through welding. As the annular groove is located on the upper part of skirt, the weight of body of the piston is lowered and this kind of structure can accelerate engine oil returning on, decrease the clearance between the piston and the cylinder and reduce the engine oil consumption.

The invention discloses a four-layer water capsule used for cigarettes and a manufacturing method of the four-layer water capsule. According to the four-layer water capsule used for cigarettes, water-soluble essence serves as an inner layer in the capsule, water serves as a solvent to dilute the essence, sodium alga acid complex compounds serve as the middle layer to wrap the water and the essence, waxy material serves as the third layer to prevent possible permeation of the water in the capsule, and sodium alga acid also serves as raw materials for the outermost layer to form a protection film so that cracking of the waxy layer can be reduced and the efficiency of adding the capsule to cigarettes can be improved. The manufacturing method of the four-layer water capsule includes the steps of wrapping a cigarette additive in a special rubber sheet and manufacturing the capsule through a dropping method. Dropping pills of the cigarette additive are manufactured through a dropping mechanism, used for filter tips and wrapped in tobacco bundles, and the additive or the essence is exposed when the four-layer water capsule is used and pinched broken by hand. The method is simple and practicable in process, simple in device, capable of being directly used for cigarette machining and convenient to popularize and apply. Raw materials are wide in source and low in cost.

The invention provides a forming device and method of an aluminum-based silicon carbide particle reinforced composite material and a member thereof. The forming device comprises a laser system, a powder spreading system, an inert atmosphere system and a control system. By using the forming device, quick formation of the aluminum-based silicon carbide particle reinforced composite material and the member thereof can be realized. The forming method provided by the invention is simple, and adopts digitized manufacturing. The formed product is compact and uniform in texture, and any complicated members can be directly manufactured without being secondarily processed.

The present invention discloses pulse type shock reinforced in-line mixing and injecting forming method and apparatus. Pulse type shock is introduced into the whole in-line mixing and injecting forming process of producing fiber reinforced composite polymer material. The apparatus includes one plasticizing extruder with three screws arranged in one line and including one main screw capable of generating periodical axial pulse shock, one buffering storing device, and one pulse type shock pressure reinforcing plunger injecting device. The present invention can lower melt viscosity, raise mixing and homogenizing effect, raise the compatibility between fiber and polymer, lower the processing power consumption and raise product quality.

A furnace for heating steel plates includes a plurality of horizontal furnace levels in superimposed disposition. Each furnace level is constructed for acceptance of at least one steel plate and includes a transport mechanism for moving the at least one steel plate during a heating process.

The invention discloses a method for manufacturing a high-strength X100 steel grade spiral seam submerged arc welded pipe. The method comprises the following steps: uncoiling, flattening, edge milling, pre-springing, molding, inside welding, outside welding, pipe end belling, base metal layering ultrasonic examination, weld seam X ray inspection, hydrostatic test, weld seam ultrasonic inspection, pipe end chamfering and finished product inspection. In the technical steps of the preparation method, double edge milling process, pre-springing process and pipe end belling process are added so as to successfully solve the technical problems that the high-strength X100 steel grade spiral seam submerged arc welded pipe has poor molding stability, the welding joint performance cannot meet technical requirement and the like.

The invention relates to a method for preparing opening micropore plastic material though slack-melting, extruding and molding. The method includes the processes: after reaching from a feeding device arranged on a double piston extruder to a heating material cylinder, preheating plastic powder with particle size of 40-1500 meshes is extruded by the piston driven by a hydraulic driver and compacted, transported and heated constantly; when the surface temperature of the plastic powder reaches the melt temperature of Tf plus or minus 20 DGE C, the power is extruded from a machine head and a die. Then, extruding matters are cooled and set by a cooling-traction device and the products are finished. By regulating the particle size of the powder, addictive and forming process conditions and so on, the invention can control opening rate, size and distribution of the aperture; the invention has simple process, short production cycle, low forming temperature and pressure as well as short forming time; besides, the invention can greatly reduce the production cost can not be degraded easily when the plastic is processed and can be widely applicable to molding of the opening micropore products of thermoplastic powders, thermosetting power and so on.

The present invention provides a method of manufacturing a thin film magnetic head, capable of forming a magnetic pole layer as easily as possible. By etching a lower insulating layer and the upper insulating layer by RIE using a fluorine-based gas (CF₄ or CHF₃) or chlorine-based gas (Cl₂ or BCl₃), a magnetic pole formation space R1 is formed so as to have a uniform width in an upper insulating layer by and a magnetic pole formation space R2 is formed in the lower insulating layer so as to have a width gradually narrowed from width W1 to width W4 with distance from the magnetic pole formation space R1. After that, a plating film is grown in the magnetic pole formation spaces R1 and R2, thereby forming a main magnetic pole layer. Since the main magnetic pole layer is formed in one process by using the structural characteristics of the magnetic pole formation spaces R1 and R2, the process of forming the main magnetic pole layer is simplified and the number of processes required to form the main magnetic pole layer is reduced.

Disclosed are processes for rotational molding of thermoplastic polyesters and for hollow articles produced therefrom. The thermoplastic polyesters have a crystallization half time of at least 10 minutes and an inherent viscosity of 0.55 to 0.70 dL/g. Additional thermoplastic polymers may be used to produce multilayered articles.

An insulation product is provided comprising an insulation mat comprising randomly oriented fibers. The mat has first and second major surfaces and a pair of side portions. A vapor retardant facing layer is bonded to at least one of the major surfaces of the mat. The facing layer has a fiber orientation such that the facing layer has a ratio of machine direction tensile strength to cross machine direction tensile strength which permits the facing layer to be separated by hand along a substantially straight line selected in the machine direction.

The invention provides a preparation method of high-volume coal ash ceramsite foam concrete. The preparation method of the ceramsite foam concrete comprises the following steps: putting 38%-50% of a binding material, 29%-40% of ceramsite lightweight aggregates, 0.5%-1.5% of an excitant and 0.12%-0.14% of a fiber into a stirrer, and stirring evenly; simultaneously adding 0.04%-0.20% of a foaming agent and foam which is formed by a part of water in a foaming machine and has the particle sizes of 50-1,000mu m, the residual water and 0.09%-0.15% of a water reducer into the stirrer, and stirring with powder evenly to form slurry; adding the foam into the slurry, stirring evenly, and then pouring into a mold to mold; and demolding to prepare the ceramsite foam concrete of which the density is 300-800kg/m<3>. According to the formula provided by the invention, low-cost coal ashes are taken as a main raw material, and the material cost is reduced; meanwhile, the volume-weight of the concrete is reduced by adding the ceramsite lightweight aggregates with different particle sizes; and the mechanical strength and the stability of the concrete are effectively improved.

This invention provides a plastic sealant for AC permanent magnetic submersible motor, its sealing process and application. The plastic sealant is composed of: epoxy resin, diluent, curing agent, and silicon micropowder. The process comprises: (1) preparing the plastic sealant; (2) placing the motor stator in the stator sealing mold, locating, and placing the rotor in the rotor sealing mold; (3) sealing; (4) curing. This invention can be used for sealing AC permanent magnetic submersible motor, permanent magnetic wind power generator, electrical appliance, capacitor, transformer and inducer. This invention can largely shorten the sealing time, and can improve the sealing efficiency of diving motor. The plastic sealant has such advantages as low viscosity, smooth pouring, simple process, high product smoothness, good heat conductivity, good insulation, good waterproof property, no pollution during production and usage, and no toxicity to human bodies, thus is suitable for mass production.