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1. 发明专利

JP2001289804A THERMOBALANCE APPARATUS 失效
公开(公告)号：JP2001289804A
公开(公告)日：2001-10-19
申请号：JP2000101600
申请日：2000-04-03
申请人： RIGAKU DENKI CO LTD
发明人： TAKADA YOSHIHIRO , TANAKA NORIHIRO
IPC分类号： G01G7/04 , G01G19/00 , G01G21/10 , G01N5/04 , G01N25/20
摘要： PROBLEM TO BE SOLVED: To provide a thermobalance apparatus which allows a support shaft to turn at a higher accuracy responding to any fine change in the weight of a sample transmitting to a sample holder by minimizing friction resistance of the support shaft and moreover, achieves a better withstand load performance. SOLUTION: A bearing structure is arranged so as to make a support shaft 20 with sample holders 3 and 4 linked thereto levitate by a magnetic force for freely revolvable indication. The bearing structure contains a first magnet body 30 mounted on the support shaft 20 and a second magnet body 31 provided on the circumference of the first magnet body 30 and the magnet bodies 30 and 31 are made to face each other corresponding to polarity. The first magnetic body 30 is columnar in form while the second magnet body 31 cylindrical and the respective magnet bodies 20 and 31 are preferably arranged in a concentric circle.

2. 发明专利

JPH06102215A THERMAL ANALYZER 失效
公开(公告)号：JPH06102215A
公开(公告)日：1994-04-15
申请号：JP24718192
申请日：1992-08-25
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO
IPC分类号： G01N25/20
摘要： PURPOSE:To easily and correctly position a sample container and a reference substance container and to surely prevent the positional shift during measurements by providing a positioning/holding means for each container in the periphery of a setting part of each container. CONSTITUTION:Inside a furnace body 8 is provided a supporting body 20 to set a sample container 21 and a reference substance container 22. A sample container setting part 26 and a reference substance container setting part 27 are formed at two points symmetric to each other to the central line of the supporting body 20. A positioning projection 25 serves as a positioning/holding means of each container 21, 22, which positions and holds the container set at the corresponding setting part 26, 27 in touch with the container from the periphery. Two bonding parts 24 are formed symmetric to each other to the central line by bending right and left ends of a setting part 23. Accordingly, when the container 21, 22 is to be set on the supporting body 20, a measuring person can correctly position the container only by setting the container along the projection 25. At the same time, the positional shift of the container 21, 22 during the measurement can be prevented.

3. 发明专利

JPH05223764A FURNACE UNIT OF DIFFERENTIAL SCANNING CALORIMETER 失效
公开(公告)号：JPH05223764A
公开(公告)日：1993-08-31
申请号：JP5695792
申请日：1992-02-07
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO
IPC分类号： G01N25/20 , G01N25/48
摘要： PURPOSE:To obtain a furnace unit of a differential scanning calorimeter capable of easy assembling, exchanging of each part and uniformly raising the temperature of heat sensing plate. CONSTITUTION:A furnace body 1 heated with a heater wire 7 and a heat sensing plate 2 arranged in the furnace body 1 and heated by the furnace body 1 are provided. In the furnace unit 3 used for a differential scanning calorimeter to measure the temperature of a sample 5 and a standard material 6 put on the heat sensing plate 2, the heat sensing plate 2 is fixed on the furnace body 1 with screws 18.

4. 发明专利

JPH04289444A THERMAL ANALYSIS APPARATUS HAVING BALANCE BEAM 失效
公开(公告)号：JPH04289444A
公开(公告)日：1992-10-14
申请号：JP7839991
申请日：1991-03-18
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO
IPC分类号： G01N25/20 , G01N5/04
摘要： PURPOSE:To exclude the requirement for clamping a balance beam when sample holders are attached to and removed from the balance beam and to eliminate the problem area which has occurred by additionally providing a clamping mechanism in a thermal analysis apparatus. CONSTITUTION:A thermal analysis apparatus has sample holders 7 and 8 for mounting samples 9 and 10, sockets 6 in which the sample holders 7 and 8 are mounted so that the holders can be attached and removed and a balance beam 4 for supporting the sockets 6. Pins 28 are provided as a unitary body together with the sockets 6 and located on direction lines L1 and L2 for attaching and removing the sample holders 7 and 8. Pin stoppers 17 regulate the movement of the pins 28 which are arranged so that their positions are not moved into the attaching and removing directions of the sample holders 7 and 8. The pin stoppers 17 do not regulate the movements of the pins 28 during the measurement but regulate the movements of the pins 28 exceeding the allowed limit value.

5. 发明专利

JPH08247977A DIFFERENTIAL THERMAL ANALYZER 失效
公开(公告)号：JPH08247977A
公开(公告)日：1996-09-27
申请号：JP7719695
申请日：1995-03-08
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO , AKIYAMA KIYOSHI
IPC分类号： G01N25/20
摘要： PURPOSE: To provide a differential thermal analyzer which has excellent temperature response. CONSTITUTION: A differential thermal analyzer comprises a heat sink 8 for forming a sample chamber R, and a heat-sensitive plate 16 for placing a measuring sample 22 and a reference substance 23 and receiving the heat from the sink 8 to rise at its temperature. The analyzer measures the temperature- dependent properties of the measuring sample based on a temperature difference generated between the sample 22 and the substance 23. A mica sheet 10 having low thermal conductivity is provided between the sink 8 and the plate 16, a gas supply port for replacing the gas in the chamber R is provided at the heat sink wall 8a corresponding to the bottom wall of the chamber R, the plate 16 is bent, and one or a plurality of through holes are provided between the measuring sample placing part of the plate 16 and the reference substance placing part. Accordingly, even if the thermal capacity of the sink 8 is reduced, the temperature around the sample 22 can be stably held.

6. 发明专利

JPH07190967A HEATING FURNACE FOR THERMAL ANALYZER 失效
公开(公告)号：JPH07190967A
公开(公告)日：1995-07-28
申请号：JP34603093
申请日：1993-12-24
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO
IPC分类号： G01N25/00 , G01N25/20
摘要： PURPOSE:To make a heat sensitive plate easily exchangeable and to improve the soaking property of the plate so as to make the plate to be hardly affected by a conviction by forming a sample housing space smaller by surrounding the space with a furnace body and by arranging samples on the upper end part of a sample holder. CONSTITUTION:A heater wire 38 is directly wound around the outer peripheral surface of an aluminum furnace body 36 and a sample housing space 40 is formed in the furnace body 36. The space 40 is surrounded by the side wall 42 and bottom 44 of the furnace body 36 and the lower surface of a lid 46. A sample holder 50 is passed through the central passage 48 of the furnace body 36 and a soaking cylinder 52 is put on the upper end of the holder 50. A thermocouple 54 is passed through the holder 50 and a pair of heat sensitive pates 56 and 58 are joined to the upper end of the thermocouple 54. A container 60 for sample to be measured and another container 62 for standard sample can be placed on the plates 56 and 58. The lower end of the holder 50 is constituted in a plug-in system so that the holder 50 can be connected to a balance device or temperature measuring instrument.

7. 发明专利

JP2006349545A THERMAL ANALYZER 审中-公开
公开(公告)号：JP2006349545A
公开(公告)日：2006-12-28
申请号：JP2005177350
申请日：2005-06-17
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO
IPC分类号： G01N25/20
摘要： PROBLEM TO BE SOLVED: To provide a thermal analyzer accurately carrying a sample and a reference material to a predetermined measuring position in a short period of time without complicating the moving form of a carrying device such as a robot arm, a sample support device such as a table. SOLUTION: The thermal analyzer includes a turntable 52 supporting the sample S and the reference material R in a juxtaposed state at a sample taking position P0; a measuring device 2 measuring the change of the sample S relative to the reference material R while simultaneously heating the sample S and the reference material R juxtaposed in measuring positions 31b and 31a; and a carrying device 3 simultaneously holding and carrying the sample S and the reference material R juxtaposed in the sample taking position P0 to the measuring positions 31b and 31b. The carrying device 3 includes a holding mechanism having holding members 6s and 6s and a holding mechanism having holding members 6r and 6r. The sample S is held by the holding members 6s and 6s, while the reference material R is held by the holding members 6r and 6r. COPYRIGHT: (C)2007,JPO&INPIT

8. 发明专利

JPH08184545A THERMOBALANCE 失效
公开(公告)号：JPH08184545A
公开(公告)日：1996-07-16
申请号：JP32806694
申请日：1994-12-28
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO , SUZUKI SAMON , AKIYAMA AKIFUMI
IPC分类号： G01N25/20 , G01N5/04
摘要： PURPOSE: To obtain a thermobalance in which highly accurate results of thermal analysis can be obtained using any one of single beam structure or differential structure, as required. CONSTITUTION: First and second supporting rods 1, 2 provided, at the forward end thereof, with connectors 5 to be connected with sample holders 6, 7 can swing about fulcrums 3, 4 and are related to each other thus forming a differential thermo-balance structure. The connector 5, 5 provided for the first and second supporting rods 1, 2 can be connected with a sample holder for holding a single sample container and at least one connector 5 can be connected with a sample holder for holding a pair of sample containers.

9. 发明专利

JPH08184544A BALANCE 失效
公开(公告)号：JPH08184544A
公开(公告)日：1996-07-16
申请号：JP32806294
申请日：1994-12-28
申请人： RIGAKU DENKI CO LTD
发明人： TANAKA NORIHIRO , SUZUKI SAMON , AKIYAMA AKIFUMI
IPC分类号： G01G9/00 , G01N5/04
摘要： PURPOSE: To obtain a balance in which a supporting rod can be swung by a required amount with a small driving force. CONSTITUTION: A supporting rod 1 can swing freely about a fulcrum 2 and is driven through a drive plunger 8 comprising an electromagnetic coil 6 and a magnet 7. In the balance having such structure, the electromagnetic coil 6 is disposed while being spaced apart from the supporting rod 1. Since the supporting rod 1 is subjected to a driving force at a part spaced apart from the fulcrum 2, i.e., the driving force acts at a point spaced apart from the fulcrum 2, a larger driving torque can be obtained with the same driving force.

10. 发明专利

JP2000221150A HIGH-PRESSURE THERMOANALYSIS APPARATUS AND METHOD HAVING COOLING FUNCTION 失效
公开(公告)号：JP2000221150A
公开(公告)日：2000-08-11
申请号：JP2612299
申请日：1999-02-03
申请人： RIGAKU DENKI CO LTD , AGENCY IND SCIENCE TECHN
发明人： TANAKA NORIHIRO , AKIBA ETSUO
IPC分类号： G01N25/00 , G01N25/20
摘要： PROBLEM TO BE SOLVED: To accurately measure the thermal changes of a sample, starting from the vicinity of room temp. in a high-pressure thermoanalysis apparatus for measuring the sample placed under high pressure. SOLUTION: A high-pressure thermoanalysis apparatus has a sample chamber 14 housing a sample S, a heater 17 changing the temp. of the sample S and a pressure-resistant vessel 4 surrounding the sample chamber 14 in a high- pressure state. Cooling medium passages 25, 26 are provided to the outer peripheral surfaces of the container walls 2, 3 of the pressure-resistant vessel 4 to allow the cooling medium, for example, water to flow along the outer peripheral surfaces of the vessel walls. The temp. of the sample chamber 14 is lowered to room temp. or lower by the cooling medium prior to raising the temp. of the sample S.

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