Abstract: The present invention provides a hollow fiber membrane module having fixing layers to which one or more hollow fiber membrane bundles each including a plurality of hollow fiber membranes are fixed at respective ends thereof using a casting resin, a hollow portion of each of the hollow fiber membranes being open at one or both of the ends, wherein the hollow fiber membrane bundle is divided into a plurality of small bundles at least one of the fixing layers on the open side of the hollow portion, and an outer circumference of each of the small bundles is covered with an elastic body near a filtration portion interface of the fixing layer.

Abstract: The present invention provides a hollow fiber membrane module having fixing layers to which one or more hollow fiber membrane bundles each including a plurality of hollow fiber membranes are fixed at respective ends thereof using a casting resin, a hollow portion of each of the hollow fiber membranes being open at one or both of the ends, wherein the hollow fiber membrane bundle is divided into a plurality of small bundles at least one of the fixing layers on the open side of the hollow portion, and an outer circumference of each of the small bundles is covered with an elastic body near a filtration portion interface of the fixing layer.

Abstract: Disclosed are metal alloy particles containing substantially no lead, each exhibiting a plurality of different melting points including an original lowest melting point (a) and a highest melting point, wherein, when the metal alloy particles are subjected to differential scanning calorimetry (DSC), at least one exothermic peak is observed in the DSC, wherein each of the metal alloy particles exhibits the original lowest melting point (a) at least at a surface portion thereof, and wherein, when each metal alloy particle is heated at a temperature equal to or higher than the original lowest melting point (a) to melt at least a surface portion of each metal alloy particle, followed by cooling to room temperature to thereby solidify the melted portion of each metal alloy particle, the resultant solid metal alloy particle having experienced the melting and solidification exhibits an elevated lowest melting point (a?) higher than the original lowest melting point (a).

Abstract: Disclosed are metal alloy particles containing substantially no lead, each exhibiting a plurality of different melting points including an original lowest melting point (a) and a highest melting point, wherein each of the metal alloy particles exhibits the original lowest melting point (a) at least at a surface portion thereof, and wherein, when each metal alloy particle is heated at a temperature equal to or higher than the original lowest melting point (a) to melt at least a surface portion of each metal alloy particle, followed by cooling to room temperature to thereby solidify the melted portion of each metal alloy particle, the resultant solid metal alloy particle having experienced the melting and solidification exhibits an elevated lowest melting point (a′) higher than the original lowest melting point (a).

Abstract: An apparatus for attaching a molding to the peripheral edge of an article such as a glazing used in an automobile. A molding having a groove in its one side is extruded from an extruder. The molding is guided so that the leading end of the molding contacts the edge of an article which is held by a robot. The groove of the molding is expanded by a guide section, and the edge of the glazing enters the groove thus expanded. The robot then rotates the glazing, while pressure is applied to the molding so that the molding adheres to the glazing. When the glazing is rotated one turn, the molding is cut. The molding may be heated from the side having the groove, and cooled from the opposite side having a lip. This facilitates the attachment of the molding without causing any deterioration of the shape of the lip.

Abstract: An electric control apparatus for an industrial robot the arm of which is actuated to carry out machining of a workpiece by means of a machining tool attached thereto. The control apparatus includes a force sensor arranged to detect reaction force acting on the tool, a memory for memorizing a maximum reaction force detected by the sensor during each machining process of the workpiece in a plurality of split sections of a teaching line, a comparator for comparing the memorized maximum reaction force with a set value indicative of a limit of reaction force acting on the tool and for producing a signal therefrom when the memorized maximum force exceeds the set value.

Abstract: In a grinding machine, a rest apparatus is advanced to move a workpiece toward a grinding wheel being in a stationary condition after a preliminary grinding operation. After a predetermined amount of advancement of the rest apparatus, the grinding wheel is again advanced to grind the workpiece while the rest apparatus is stationary until the workpiece deviates from engagement with the rest apparatus, whereby after a final grinding operation, the workpiece is ground at the true center thereof so as to be in true roundness and with good concentricity.