Abstract: An apparatus and a process for manufacturing a three-dimensional object by successive layer-by-layer consolidation of selected zones of a powder stratum, the consolidated zones corresponding to successive sections of the three-dimensional object, each layer being divided into a central internal portion and an external border, said process comprising the following steps in order: a—depositing a powder layer on a holder; b—fusing the external border of said powder layer by means of a laser beam originating from a first energy source by moving the laser beam of said first energy source relative to the object along a preset path that follows the contour of said external border corresponding to the contour of the cross section of the object so as to selectively fuse said layer; and c—fusing the central internal portion of the powder layer by means of an electron beam originating from a second energy source, by moving the electron beam of said second energy source relative to the object so as to sweep it over sa

Abstract: A tire vulcanizing device includes a vulcanization mould and a central part. The vulcanizing mould includes moulding parts that defining a curing chamber therebetween. Inside the curing chamber is arranged a heating and ventilation apparatus structured for use with a heat-transfer fluid. The central part is structured to collaborate with the vulcanization mould by providing support to a heat-transfer fluid inlet and establishing communication between the heat-transfer fluid inlet and the curing chamber. The central part includes heating elements that are configured to be brought into operation before the heating and ventilation apparatus is brought into operation to cure a tire using the heat-transfer fluid.

Abstract: The disclosure relates to a molding element including a main lamella and two ribs positioned on either side of the main lamella at a certain distance from this main lamella. The ribs are mold-able to grooves in the tread, these ribs including rounded ends. The main lamella includes a cutting edge, the cutting edge making an acute angle. The ribs are curved in their length with a curvature C and in that the lamella is curved with the same curvature C.

Abstract: An aqueous adhesive composition includes: a phenol/aldehyde resin; and an unsaturated elastomer latex. The phenol/aldehyde resin is based on: an aromatic polyaldehyde bearing at least two aldehyde functional groups and including at least one aromatic nucleus; and a polyphenol including at least one aromatic nucleus. If there is just one aromatic nucleus, the nucleus bears two or three hydroxyl functional groups in a meta position with respect to each other or with respect to one another, with a remainder of the nucleus being unsubstituted. If there are plural aromatic nuclei, at least two of the nuclei each bear two or three hydroxyl functional groups in the meta position with respect to each other or with respect to one another, with two positions ortho to at least one of these hydroxyl functional groups being unsubstituted. The adhesive composition is useable to adhere a textile material to a crosslinkable rubber composition.

Abstract: The collapsible tire includes at least one carcass reinforcement that is surmounted radially from the outside by an inextensible crown reinforcement, which is radially on an inside of a tread. The reinforcements each include at least one layer of reinforcing elements. The tread is connected to two beads by two sidewalls. The beads are intended to come into contact with a rim, and each bead has at least one circumferential reinforcing element called a bead wire. The bead wire defines a mean line which forms a substantially circular closed curve in a circumferential plane. The bead wires are flexible and have at least one concave part Pc with a radius Rc and a center of curvature Cc.

Abstract: A method for determining the aerodynamic moment of resistance Maero-EM of a wheel arranged on an axis, by measuring the value of the mechanical power Pm to be applied to the wheel in order to maintain it in rotation at a constant speed ?, the said wheel being equipped with a rotational-drive means and with a device for picking off and/or recording the numerical values of the said mechanical power and those of the rotational speed. The wheel is protected by a removable cap and is subjected to a flow of air.

Abstract: A system for measuring a moisture content of an ion-exchange membrane in a fuel-cell stack is provided. The fuel-cell stack includes N electrochemical cells separated by bipolar plates, with N being a natural integer. The system includes a current generator, a voltage measurement device, and an impedance measurement device. The current generator enables a current to be applied to the fuel-cell stack. The voltage measurement device measures voltages of the cells of the fuel-cell stack. The impedance measurement device determines an impedance of an ion-exchange membrane according to a voltage ripple measured by the voltage measurement device across terminals of a corresponding one of the cells of the fuel-cell stack when the current is applied by the current generator. The impedance measurement device is installed in the voltage measurement device.

Abstract: A fuel-cell stack system includes a stack of electrochemical cells, a fuel gas supply circuit and an oxidant gas supply circuit, a cooling circuit, a micropump, a temperature measurement device, and a controller. The cells are separated by bipolar plates, with each bipolar plate including an anode, a cathode, and an ion-exchange membrane. The cooling circuit, which is structured to enable a coolant fluid to circulate therein, includes a secondary circuit and a primary circuit that is smaller in size than the secondary circuit, with the primary and secondary circuits being isolated from each other by a thermostatic valve. The micropump is installed at an outlet of the stack and enables a volume of water inside the stack to be mixed. The temperature measurement device determines an internal temperature of a core of the stack. The primary circuit is activated when the internal temperature rises above a predetermined threshold.

Abstract: A reversible pneumatic vane motor includes a stator housing with a pressure air inlet passage and an exhaust air outlet passage, a cylinder supported in the stator housing, a vane carrying rotor rotatable in the cylinder and forming a clearance seal portion with the cylinder, air communication ports located at opposite sides of the seal portion for supplying motive pressure air or scavenging exhaust air from the cylinder, a primary outlet diametrically opposite the clearance seal portion, and a directional valve for connecting alternatively the air communication ports to the pressure air inlet passage and the exhaust air outlet passage. The motor also includes auxiliary outlet ports which are located between the primary outlet and each one of the air communication ports, and the directional valve includes control parts for opening up and closing, respectively, communication between the auxiliary outlet ports and the atmosphere via the exhaust air outlet passage.

Abstract: A cooling circuit for a fuel cell includes at least one channel, a mechanical support, a first sensor, and a second sensor. Each channel is formed in a bipolar plate of the fuel cell, and is adapted to permit a cooling fluid to flow. The first sensor senses a flow rate of the cooling fluid. The second sensor senses an electrical conductivity of the cooling fluid. Both the first sensor and the second sensor are installed on the mechanical support.

Abstract: The purpose of the present invention is to provide: composite phthalocyanine microparticles of a nano-order level, preferably on the order of 100 nm, that are optimal as a coloring material; and a method for producing the same. Provided is a method for producing composite phthalocyanine microparticles, the method being characterized by including a step (1) for preparing a dissolved solution by dissolving at least copper phthalocyanine and titanyl phthalocyanine and/or cobalt phthalocyanine as raw materials in a first solvent, a step (2) for precipitating composite phthalocyanine by mixing the dissolved solution obtained in step (1) with a second solvent that serves as a poor solvent of the abovementioned raw materials, and a step (3) for causing an organic solvent to act on the composite phthalocyanine obtained in step (2).

Abstract: Provided are a method for producing organic material microparticles and a method for modifying organic material microparticles, whereby it becomes possible to improve the crystallinity of organic material microparticles or achieve the crystal transformation of the organic material microparticles while preventing the growth of the organic material microparticles in a solvent. A surfactant is added to a solvent that is capable of partially dissolving organic material microparticles, and then the organic material microparticles are reacted with the solvent. In this manner, it becomes possible to improve the degree of crystallization of the organic material microparticles or achieve the crystal transformation of the organic material microparticles without substantially altering the particle diameters of the organic material microparticles.

Abstract: A patch is provided for an electronic device of a tire. The patch includes first and second compartments. The first compartment, which does not include an opening, is structured to house therein an electronic identification module. The second compartment, which includes a reclosable opening, is structured to house therein an electronic module having a complementary function to a function of the electronic identification module. The electronic module is adapted to receive identification data from the electronic identification module.

Abstract: The disclosure relates in particular to a machine for additive manufacturing by sintering or melting powder using an energy beam acting on a powder layer in a working zone, said machine comprising a device for layering said powder. The device is configured to distribute the powder that are able to travel over the working zone in order to distribute the powder in a layer having a final thickness suitable for additive manufacturing; transfer the powder to a distribution structure by gravity, and control the quantity of powder transferred to the distribution structure.

Abstract: Particular embodiments of the invention include apparatus and methods for compensating for shrinkage of a polymeric material in a mold during curing operations. Embodiments of the method include providing a mold comprising a molding cavity defining an interior mold volume separated from an exterior environment and introducing a volume of polymeric material into the molding cavity. Such methods further include impeding the development of a void in the volume of polymeric material by, either: isolating the volume of polymeric material within the molding cavity from the exterior environment, or reducing the interior mold volume of the molding cavity to at least substantially consume a volume of polymeric material shrinkage. Such methods further include curing the polymeric material to form a molded polymeric form.

Abstract: The invention relates to an emergency stop device for a power tool comprising an electrical power contact for releasably connecting a power source to the power tool, and an emergency stop circuit connected to the electrical power contact and configured to disconnect the electrical contact from the electrical power source upon receipt of an emergency stop signal by the emergency stop circuit. The invention further relates to a power tool, a system comprising such a tool and a method of performing emergency stop of a power tool.

Abstract: A mold for vulcanizing and molding a tire is provided herein. The tire includes a tread delimited by two sidewalls, the mold including a ring for molding the tread of the tire and two shells for molding the sidewalls. The mold includes an annular groove extending in a recessed manner in one of the shells and an insert housed in the groove, this insert having tire marking elements and being formed from a plurality of insert parts that are positioned one after another in the annular groove.

Abstract: Provided is a method for producing metal microparticles in which the ratio of crystallite diameter to the particle diameter of the metal microparticles is controlled. At least two types of fluid to be processed are used, including a metal fluid in which a metal or a metal compound is dissolved in a solvent, and a reducing agent fluid which includes a reducing agent. Sulfate ions are included in one or both of the metal fluid and the reducing agent fluid. The fluid to be processed is mixed in a thin film fluid formed between at least two processing surfaces, at least one of which rotates relative to the other, and which are disposed facing each other and capable of approaching and separating from each other, and metal microparticles are precipitated.

Abstract: The present invention provides a composition for coating having high ultraviolet ray protection ability for a coating material, and properties required for a coating material such as texture, appearance, designability and weather resistance. The composition is a silicon oxide-coated iron oxide composition for coating comprising iron oxide particles, a primary particle diameter of which is 1 nm or more and 50 nm or less, wherein at least a part of the surface of said iron oxide particles is coated with silicon oxide, and wherein said composition comprises an iron oxide particle dispersion having the average molar absorption coefficient of 1500 L/(mol·cm) or more for the light of the wavelengths from 190 nm to 380 nm in a state that said coated iron oxide particles are dispersed in a dispersion medium. It is preferable that the transmittance of said iron oxide particle containing dispersion for the light of the wavelengths from 200 nm to 420 nm is 2.