Abstract: The present invention provides a headphone with cord winder devices that are capable of winding up a bridging cord between one (left) headphone assembly and the other (right) headphone assembly. The headphone comprises one (left) headphone assembly accommodating, in one (left) headphone housing corresponding to one of the left and right ear, a speaker and a cord winder device for winding up an input cord for connecting to audio-video equipment; and the other (right) headphone assembly accommodating, in the other (right) headphone housing corresponding to the other of the left and right ear, a speaker and a cord winder device for winding up a bridging cord for bridging the left headphone housing and the right headphone housing.

Abstract: The present invention provides a headphone with cord winder devices that are capable of winding up a bridging cord between one (left) headphone assembly and the other (right) headphone assembly. The headphone comprises one (left) headphone assembly accommodating, in one (left) headphone housing corresponding to one of the left and right ear, a speaker and a cord winder device for winding up an input cord for connecting to audio-video equipment; and the other (right) headphone assembly accommodating, in the other (right) headphone housing corresponding to the other of the left and right ear, a speaker and a cord winder device for winding up a bridging cord for bridging the left headphone housing and the right headphone housing.

Abstract: A flash memory controlling system is disclosed which includes: a flash memory for storing therein data; a check code generating circuit for generating a data error check code; a storage circuit for storing therein the error check code generated by the check code generating circuit; and a control circuit for implementing a process sequence for data read-out or data write-in on the flash memory while storing in the storage circuit the error check code generated by the check code generating circuit for data stored into the flash memory.

Abstract: A linear material 20 is once wound on a winding drum 22, and then wound on a winding core 11a by a winding disk 21. The winding disk 21 periodically reverses the direction of rotation. During the winding operation, the linear material is impregnated with a synthetic resin.

Abstract: A nozzle structure for supplying synthetic resin to a core of a sheet molding apparatus for molding a sheet molding compound. The nozzle structure has a hollow annular nozzle with an opening directed generally along or at an angle to the core on which the sheet is being molded, and frustoconical members are provided for guiding linear materials through the nozzle structure for coating them with synthetic resin.

Abstract: A linear material 41 is once wound on a winding drum 3, and then wound on a core bar 1 by a winding disk 2. The winding disk 2 periodically reverses the direction of rotation.

Abstract: A multi-layered glass fiber sheet is formed by alternately laying groups of glass fiber warps and glass fiber wefts upon one another. The basic structure of the multi-layered glass fiber sheet is produced by deforming a portion of a circulating endless belt into a cylindrical shape in a section of the path of the belt, guiding glass fiber warps in the longitudinal direction of the cylindrically deformed portion of the belt to cover the entire periphery of the cylinder of the belt, winding glass fiber wefts about the cylinder of the glass fiber warps at right angles or at angles less than right angles to the warps, applying additional glass fiber warps to the cylinder in the longitudinal direction of the cylinder to form a multi-layered cylindrical product comprising warps and wefts, and ripping or cutting the cylindrical product along a line in the longitudinal direction of the cylindrical product by a cutter to provide a multi-layered sheet.

Abstract: A reinforced synthetic resin pipe is produced by winding a reinforcing material about a core bar suspended vertically for preforming the pipe, inserting the core bar holding thereabout the preformed reinforcing material into a mold into which a predetermined quantity of the liquid synthetic resin has been poured, pressing the core bar into the mold while applying vibration to the core bar or to the mold, stripping the core bar from the mold after the synthetic resin has been hardened, and separating the hardened molding from the core bar or the mold.

Abstract: A bent pipe of reinforced synthetic resin is produced by supporting a flexible and elastic tubular mandrel in a stiff and straight position, forming layers of fiber impregnated with thermo-hardening synthetic resin about the mandrel, releasing the mandrel from the straightly stiffened position, bending the mandrel in the desired curvature, heat hardening the synthetic resin, and then extracting the mandrel from the bent pipe thus formed and hardened.

Abstract: A bent pipe of reinforced synthetic resin is produced by supporting a flexible and elastic tubular mandrel in a stiff and straight position, forming layers of fiber impregnated with thermo-hardening synthetic resin about the mandrel, releasing the mandrel from the straightly stiffened position, bending the mandrel in the desired curvature, heat hardening the synthetic resin, and then extracting the mandrel from the bent pipe thus formed and hardened.

Abstract: A tapered synthetic resin pipe can be produced by winding belt-like or thread-like glass fiber around a tapered core bar, inserting it into a tapered mold and thereafter pulling out only the core bar, pouring a thermosetting synthetic resin in liquid form into the mold, inclining the mold by a predetermined angle from the horizontal position and rotating it at a predetermined rate of rotation.

Abstract: A tapered synthetic resin pipe can be produced by winding belt-like or thread-like glass fiber around a tapered core bar, inserting it into a tapered mold and thereafter pulling out only the core bar, pouring a thermosetting synthetic resin in liquid form into the mold, inclining the mold by a predetermined angle from the horizontal position and rotating it at a predetermined rate of rotation.