Abstract: A method for manufacturing a concrete pole, includes steps of preparing a mold with PC steel bars; preparing a concrete composition comprising cement 19˜21 weight percent, Pozzolanic material 3˜5 weight percent, fine aggregate 25˜40 weight percent, natural stone aggregate 30˜45 weight percent, chemical admixture 0.3˜0.4 weight percent, inorganic pigment 0.4˜1.0 weight percent, and water 6˜7 weight percent; pouring the concrete composition into the mold; shaping the poured composition into a hollow pole; curing the shaped pole by steam at a temperature range from 75° C. to 85° C. from 6 to 8 hours; removing the mold from the cured pole; and grinding the outer surface of the pole so that the pattern and color of the natural stones are exposed on the outer surface.

Abstract: A process for manufacturing a structural part made of an organic matrix composite including: production of a fibrous structure, forming a preform by braiding rovings of a fibrous material on a mandrel that includes a reinforcement in its axial extension, impregnation of the preform with an organic resin; and curing of this resin, the reinforcement, forming the cover, having a bore with an axis perpendicular to the axis for housing a connecting member. Barbs, some of which are projecting, are incorporated into the reinforcement over at least part of the surface of which lying on either side of the bore, the braiding being carried out around the barbs so that the rovings at least partly criss-cross around the barbs.

Abstract: During the manufacture of slabs of stone or stone-like material using the technology which envisages preparation of a mix formed by a granular product and by a binder consisting of a hardening synthetic resin, vacuum vibrocompression of a layer of said mix and hardening of the resultant rough slab by means of a catalytic action and by heating, the slab is cooled to room temperature by directing onto both its surfaces a flow of cooling fluid, in particular air at room temperature, while controlling the flowrate of the air, so as to ensure gradual and controlled cooling, and supporting the slab in a static and perfectly flat condition. The device consists of a flat structure provided with a plurality of spacers (20) which keep the slab in a perfectly flat condition and allow the flow of cooling fluid to perform its action.

Abstract: A method (and apparatus) for nano lithography, includes applying a pneumatic pressure to at least one of a surface of a semi-rigid mask or template and a portion of a surface of a resist-coated workpiece, and, by the applying of the pneumatic pressure, transferring a pattern from the mask to the workpiece.

Abstract: A seamless microchannel with aligned microelectrodes structure can be prepared to include a polymeric body defining a surface of a seamless microchannel. The microchannel is seamless in that it is formed by a single body of material having a conduit that is open at one surface and extends to another opening aligned with microelectrodes in another surface of the body. The rest of the microchannel is closed and defined by the single body of material. The seamless microchannel structure can be used in methods that include biosensors, coupling waveguides, capillary electrophoresis chips, microreactors, polymerase chain reaction-chips, and solving mathematical problems.

Abstract: An improved pipe belling process is shown which features a mandrel having a specially designed backup or forming collar. The backup collar has an outer contact surface which forms an undulating pattern when viewed in cross section. The undulating surface reduces the contact area between the outer contact surface of the collar and the lip region of a plastic pipe being belled, thereby lowering the coefficient of friction that exists between the pipe lip region and the collar.

Abstract: A chew toy product is made of multiple layers of silicone. Liquid silicone layers are vulcanized to a solid silicone layer to form a unitary solid silicone chew toy. Each of the layers can include a silicone colorant, so the chew toy can have multiple colors.

Abstract: A mold for a composite component having a fillet joint, the mold including a mold body having a cavity within which the component is formed, and an insert mating with the mold body and including a forming surface against which, in use, the fillet of the component fillet joint is formed. The insert may be thermally insulating and highly rigid. A method of forming a composite component having a fillet joint using a mold, the method including forcing a surface of the fillet region of the component to adopt a non constant radius of curvature while the component is inside the mold during the cure process is also provided. Additionally, a method of forming a composite component having a fillet joint that is defined between first and second legs the method including placing the legs of the component in bending during cure of the component is described.

Abstract: Disclosed herein is a polyimide film having inorganic particles. The polyimide film is 12-250 ?m in thickness. The polyimide film includes about 50-90 weight parts of polyimide and about 10-50 weight parts of the inorganic particles. The particle size of each of the inorganic particles is about 0.1 ?m to about 5 ?m. The polyimide film is characterized in that the thermal expansion coefficient is equal to or less than 30 ppm/° C. in any direction, the difference between two thermal expansion coefficients in two mutually perpendicular directions on the film surface is less than 10 ppm/° C., and the Young's modulus of the polyimide film is greater than 4 GPa in any direction. The dimensional stability of the polyimide film measured by the standard of IPC-TM-650 is less than 0.10% in any direction. A method for manufacturing the polyimide film is disclosed as well.

Abstract: To provide an expansion injection molding process, which is freed from the occurrence of swirl marks on the surface of a molded article and by which foamed injection moldings having good appearance can be produced in a short molding cycle and at a low cost; and a mold for expansion injection molding. A movable mold 2 is moved toward a fixed mold 1, whereby a sealing member 6 set on at least one of a pair of facing surfaces of the mold 1 and mold 2 in the outside of a cavity is brought into contact with the other of the facing surfaces or a sealing member 6 set thereon to make the cavity 3 gas-sealed state. While keeping the gas-sealed state, the movable mold 2 is further moved toward the fixed mold 1 with the sealing member 6 compressed, whereby the volume of the cavity 3 is decreased to enhance the pressure in the cavity 3 to a level exceeding the atmospheric pressure. Then, a thermoplastic resin is injected into the cavity 3 of an enhanced pressure.

Abstract: Exemplary embodiments provide methods and apparatus of forming fibrous carbon foams (FCFs). In one embodiment, FCFs can be formed by flowing a fuel rich gas mixture over a catalytic material and components to be encapsulated in a mold to form composite carbon fibers, each composite carbon fiber having a carbon phase grown to encapsulate the component in situ. The composite carbon fibers can be intertwined with one another to form FCFs having a geometry according to the mold.

Abstract: A reinforced structural part and method are provided. The reinforced structural part includes a body made from a plastic material provided with a core made from a metallic material. The method includes the steps of positioning the metallic core in a first mold cavity, injecting a plastic material into the first mold cavity, the cavity being arranged so that the plastic material over-molds at least part of the inner surface of the core, positioning the over-molded metal core in a second mold cavity and injecting a plastic material into said second mold cavity, the cavity being arranged so that the plastic material over-molds the entire outer surface of the core.

Abstract: An in-mold-decoration method for plastic articles is provided. An uninterrupted film is provided and transported into a mold. A predetermined area of the film attaches to an inner surface of a cavity of a female mold of the mold. The predetermined area of the film is cut from the uninterrupted film during closing the mold.

Abstract: A caterpillar traction apparatus (110), wherein two pairs of pulleys (122 & 123, 132 & 133) can be driven at different speeds, so that the linear member (40) being driven by the mechanism is subjected to either compression or extension forces.

Abstract: Stents and methods of manufacturing a stents with enhanced fracture toughness are disclosed.

Abstract: Thickness gradients in large, cobonded composite structures resulting from gravity-induced resin migration during curing is substantially reduced by rotating the structure during the resin infusion and curing stages. The layup for the structure is placed on a rotatable tool fixture and vacuum bagged. The tool fixture is mounted on a central support tube provided with motors for rotating the tool fixture about the axis of the tube. The tube has internal passageways that deliver resin to the bagged layup and carry away excess resin from the layup using vacuum pressure. The resulting composite structures exhibit thickness gradients less than 10%.

Abstract: An object of the present invention is to provide a process for producing an in-mold decorated molded article, which can eliminate the need for deburring after molding and the need for an extra allowance of the molded article. The process includes: clamping a first mold (1) and a second mold (2) to hold a decorative film (207) between the molds; cutting a transfer layer (302) of the decorative film (207) in the molds; injecting resin (5) into the cavity of the mold; cooling the resin (5); and opening the molds to remove the in-mold decorated molded article on which the transfer layer (302) is disposed.

Abstract: Hydroxyapatite-polymer nanocomposites, which are nanoparticles/microparticles, methods for making them, and articles made from them are disclosed. These methods are capable of preparing nanocomposites exhibiting more homogeneous dispersion of nanoparticles than is seen using previous methods. Such nanocomposites and articles are useful for a wide variety of applications, such as biological, medical, biochemical, biosensor, fuel cell, and aerospace applications.

Abstract: A method of manufacturing a rim for a bicycle wheel includes wrapping plys of fibers in a resin matrix around a mandrel; curing the plys to form the rim; and reducing a size of the mandrel to allow the mandrel to be removed from the rim.

Abstract: A method for producing a thermo formed part includes closing in a mold a heated sheet (L) made of thermoplastic material in such a manner as to deform the latter, then cooling it inside the mold until complete consolidation is achieved. During cooling, the sheet is cut along at least one edge portion (E) thereof, this cutting operation causing a bending of the edge portion against an abutment surface (1s) in the mold; and removing the upper half-mold from the lower half-mold once the consolidation of the deformed sheet has been attained. During the cooling of the sheet inside the mold, subsequently to the cutting operation a folding operation is performed, this folding operation includes moving the abutment surface away from the edge portion of the sheet, and operating on the edge portion in such a manner as to resume its bending towards a support surface (2s) of the sheet in the mold.