Abstract: A charged particle beam irradiation device includes an accelerator that accelerates charged particles and emits a charged particle beam; an irradiation unit that irradiates a body with the charged particle beam; a duct that transports the charged particle beam to the irradiation unit; a tubular body arranged on a propagation path of the charged particle beam within the irradiation unit, has inert gas filled thereinto, and has particle beam transmission films transmitting the charged particle beam therethrough at an inlet and an outlet thereof; a gas supply unit that supplies the inert gas into the tubular body; and a leak valve that leaks the inert gas inside the tubular body to the outside when the internal pressure of the tubular body is equal to or higher than a set pressure. The gas supply unit has a plurality of supply lines having different amounts of supply of inert gas.

Abstract: A charged particle beam irradiation apparatus includes: an irradiation section configured to irradiate an irradiated body with a charged particle beam; a multi-leaf collimator configured to set an irradiation range of the charged particle beam which is irradiated from the irradiation section; an imaging section that is provided so as to be able to advance and retreat with respect to an irradiation axis of the charged particle beam which is irradiated from the irradiation section, between the irradiation section and the multi-leaf collimator, and directly images an opening portion of the multi-leaf collimator; and a drive section configured to move the imaging section between an imaging position corresponding to an irradiation area which includes the irradiation axis of the charged particle beam and a retreated position away from the irradiation area.

Abstract: A charged particle beam irradiation device includes an accelerator that accelerates charged particles and emits a charged particle beam; an irradiation unit that irradiates a body with the charged particle beam; a duct that transports the charged particle beam to the irradiation unit; a tubular body arranged on a propagation path of the charged particle beam within the irradiation unit, has inert gas filled thereinto, and has particle beam transmission films transmitting the charged particle beam therethrough at an inlet and an outlet thereof; a gas supply unit that supplies the inert gas into the tubular body; and a leak valve that leaks the inert gas inside the tubular body to the outside when the internal pressure of the tubular body is equal to or higher than a set pressure. The gas supply unit has a plurality of supply lines having different amounts of supply of inert gas.

Abstract: A charged particle beam irradiation apparatus includes: an irradiation section configured to irradiate an irradiated body with a charged particle beam; a multi-leaf collimator configured to set an irradiation range of the charged particle beam which is irradiated from the irradiation section; an imaging section that is provided so as to be able to advance and retreat with respect to an irradiation axis of the charged particle beam which is irradiated from the irradiation section, between the irradiation section and the multi-leaf collimator, and directly images an opening portion of the multi-leaf collimator; and a drive section configured to move the imaging section between an imaging position corresponding to an irradiation area which includes the irradiation axis of the charged particle beam and a retreated position away from the irradiation area.

Abstract: Improvements in both the pressure resistance of a target and the cooling effect of a target liquid can be made compatible, and the boiling of the target liquid is sufficiently suppressed. A radioisotope manufacturing apparatus can include a radiation source which radiates radioactive rays, and a target having a holding unit which holds the target liquid. The holding unit can include a spherical bottom surface which is recessed in a direction away from the radiation source so as to have an apex. The target can be disposed so that the intersection position between a radiation axis of radioactive rays radiated from the radiation source and the bottom surface can be located below the apex.

Abstract: Disclosed are a propylene polymer composition possessing excellent balance among rigidity and low warpage, resistance to deterioration caused by thermal oxidation during processing, weathering resistance, antistatic properties, and low bleeding properties, and a propylene resin composition which can easily produce molded products having excellent balance between rigidity and impact resistance (particularly low-temperature impact resistance) or heat resistance. The propylene polymer composition and the propylene resin composition comprise a propylene block copolymer consisting essentially of the following blocks (a) and (b) and having a melt flow rate of 0.

Abstract: A tuning-fork type piezoelectric vibratory gyroscope includes a tuning fork having two arms and a base portion integrally formed with the two arms and having electrodes, and a supporting base supporting the base portion of the tuning fork. An adhesive layer joins the base portion and the supporting base together so that the tuning fork and the supporting plate are elastically integrated within a temperature range in which the gyroscope is used.

Abstract: A braking apparatus is provided for an elevator which includes a cage, a counterweight, a main sheave, a motor for rotating the main sheave, a deflector sheave, and a rope wound around the main sheave and the deflector sheave, the rope extending from the cage to the counterweight. The braking apparatus comprises a first brake for the main sheave, and a second brake for the deflector sheave. Both brakes are controlled to apply an appropriate braking force to the cage in accordance with the load and the speed of the cage.

Abstract: A hydraulic elevator comprises a car, a hydraulic jack to drive the car, a hydraulic pump, and control means for controlling a flow rate of fluid flowing to or from the hydraulic jack thereby to control movement of the car. The control means comprises a main valve constructed so as to allow fluid the flow from the pump into the hydraulic jack when a pressure of the fluid is higher than a predetermined value thereby to effect upward running of the car, and to check a fluid flow from the hydraulic jack when the pressure of the fluid from the pump is less than the predetermined value, and valve control means including a plurality of pilot valves for controlling, when the pressure of the fluid from the pump is less than the value, the main valve to open and close, and wherein the valve control means controls the closing operation of the main valve along at least two different patterns.

Abstract: In an elevator, for controlling the upward and downward movement of a cage, a shoe is brought into and out of pressing contact with a drum or a disk of a brake by a combination of a spring and a hydraulic cylinder. The optimum braking force is determined in accordance with the inertial mass and the speed of the cage to be braked, and the fluid pressure is controlled to control the force of pressing of the shoe against the drum or the disk, so that the brake can always produce the optimum braking force. A controller for controlling the pressure of the hydraulic cylinder is operated by an emergency power source. The brake can be controlled with a high responsibility and its braking force can be controlled arbitrarily, and even in the event of a power failure, the brake can be operated by the emergency power source of a small-capacity.

Abstract: A sheet reversing apparatus comprises a support in which sheets are stacked, an entrance section for guiding the sheet to the support, a blowing mechanism for directing an air stream to a sheet stack on the support to separate a lowermost sheet from remaining sheets, and a feeding mechanism for attracting the sheet to feed it. Further, stopper plates are provided to be pivoted above the support so that it cooperates with the support to pinch and brake the sheet therebetween in a continuous reversing mode wherein the incoming sheet is immediately fed and that it abuts against the incoming sheet by a portion thereof opposing a leading end of the sheet in a stack reversing mode wherein while the sheets are being stacked the lowermost sheet is separated and fed.

Abstract: A sheet separating and feeding apparatus has a separating device and a vacuum-attracting device to separate and feed sheets one by one from piled sheets. The separating device includes a compressed air plenum chamber, and main nozzles, first auxiliary nozzles and second auxiliary nozzles which are provided on the compressed air plenum chamber for causing air to blow to an upper portion of the piled sheets to separate the uppermost sheet from the remaining sheets. The vacuum-attracting device includes a vacuum chamber and an endless belt having a plurality of through holes provided in a part of the belt. The endless belt rotates around the vacuum chamber, and attracts the uppermost sheet which is separated by the separating device, when the through holes intermittently communicate with a negative pressure in the vacuum chamber.

Abstract: To adjust the posture of a sheet being conveyed, movable checker members provided adjacent to the conveyance path for the sheet are once driven in the direction of conveyance of the sheet before the members touch the sheet and are subsequently decelerated, the members being caused to abut against the front end of the sheet during the deceleration, thereby checking the sheet and thus correcting any skew thereof. Further, for positioning the sides of the sheet, the sheet is taken out of a hopper by way of a separating device and is guided and fed in such a manner that its front corner will not be caused to abut against a side registration guide, and subsequently the sheet is conveyed toward the guide by way of obliquely extending conveyer belt devices and one side of the sheet is brought into contact with the guide for positioning after a front corner of the sheet has passed at least the edge of the guide.

Abstract: A method of controlling print positioning comprises the steps of: detecting the time which elapses until a sheet of paper reaches a given position; predicting the time which would elapse until the paper reaches an image transfer position on the basis of the time detected in the detection step; calculating the time difference between the predicted time and an elapse time calculated on the basis of a paper carrying speed pattern which is previously stored and has at least two speeds; and controlling the paper carrying speed so that the calculated time difference becomes zero, thereby preventing any misregistration between a toner image and the paper.

Abstract: Paper sheets transported from a transporting line are stacked successively into a receiving station by a vane-wheel type receiving and guiding device. The paper sheets stacked in the receiving station are taken out to a subsequent transporting line one by one by a friction pick-up and separating and feeding device. The friction pick-up and/or the vane-wheel type receiving and guiding device are rotatable. The friction pick-up is retracted from the surface of the stacked paper sheets when the paper sheets are stacked and when the paper sheets are taken out and is moved to abut the surface of the stacked paper sheets to thereby permit the taking out of the paper sheets.

Abstract: Disclosed is a hydraulic elevator in which the load and/or the oil temperature are detected under the running condition of a cage of the hydraulic elevator and a proper value of the deceleration delay time corresponding to this running condition is obtained to thereby control the flow of pressure-oil on the basis of the proper value of the deceleration delay time. Various values of the deceleration delay time are stored in advance in the form of table with respect to various values of load and oil temperature.

Abstract: Disclosed is a hydraulic elevator in which the load and/or the oil temperature are detected under the running condition of a cage of the hydraulic elevator and a proper value of the deceleration delay time corresponding to this running condition is obtained to thereby control the flow of pressure-oil on the basis of the proper value of the deceleration delay time. Various values of the deceleration delay time are stored in advance in the form of table with respect to various values of load and oil temperature.