Abstract: A plating apparatus (10) is disclosed including a plating tank (9), cathodes (1a to 1f), a holding mechanism (2), at least one anode (3), and a rotation mechanism (4). The plating tank (9) contains an annularly or helically wound substrate (90) together with a plating solution. The cathodes (1a to 1f) are placed inside the plating tank (9). The holding mechanism (2) holds the cathodes (1a to 1f) at positions electrically connected to the outer periphery of the substrate (90) and holds the substrate (90) via the cathodes (1a to 1f). The anode (3) is placed at least on the inner periphery side of the substrate (90) held by the holding mechanism (2). The rotation mechanism (4) rotates at least either the substrate (90) and cathodes (1a to 1f) held by the holding mechanism (2) or the anode (3), or both, around the axis of the wound substrate (90).

Abstract: A crack detection device for detecting a crack that occurs in a structure, includes: an MI cable that includes a metal sheath and a conductive wire accommodated in the metal sheath via a mineral insulating powder, and that is disposed along the structure so as to intersect an assumed crack C in a part of the structure where occurrence of a crack is assumed; a joint portion that is made of a metal that forms a joint when solidified from a melting state, and that joins the MI cable to the structure or a member fixed to the structure; and a detection device connected to both ends of a conductive wire, and configured to detect electrical characteristics of the conductive wire. The joint portion is present on one side and the other side with respect to the assumed crack C in a direction intersecting the assumed crack C.

Abstract: A crack detection device for detecting a crack that occurs in a structure, includes: an MI cable that includes a metal sheath and a conductive wire accommodated in the metal sheath via a mineral insulating powder, and that is disposed along the structure so as to intersect an assumed crack C in a part of the structure where occurrence of a crack is assumed; a joint portion that is made of a metal that forms a joint when solidified from a melting state, and that joins the MI cable to the structure or a member fixed to the structure; and a detection device connected to both ends of a conductive wire, and configured to detect electrical characteristics of the conductive wire. The joint portion is present on one side and the other side with respect to the assumed crack C in a direction intersecting the assumed crack C.

Abstract: A sheathed thermocouple includes thermocouple wires; a metal sheath accommodating the thermocouple wires; inorganic insulating material powder filled in an internal space of the metal sheath; a glass seal part tightly sealing an opening of the metal sheath while allowing the thermocouple wires to pass; compensation lead wires connected to the thermocouple wires; a metal sleeve having a cylindrical shape having a leading end part defining a connecting section connected with an outer peripheral surface of the metal sheath, and allowing a portion of the metal sheath closer to a proximal end than the connecting section, the thermocouple wires and the compensation lead wires to be in an internal space, the thermocouple wires and the compensation lead wires lying without contact between themselves; and a glass filler part made of a glass having a lower softening temperature than the glass seal part, and filling an internal space of the metal sleeve.

Abstract: A sheathed thermocouple includes thermocouple wires; a metal sheath accommodating the thermocouple wires; inorganic insulating material powder filled in an internal space of the metal sheath; a glass seal part tightly sealing an opening of the metal sheath while allowing the thermocouple wires to pass; compensation lead wires connected to the thermocouple wires; a metal sleeve having a cylindrical shape having a leading end part defining a connecting section connected with an outer peripheral surface of the metal sheath, and allowing a portion of the metal sheath closer to a proximal end than the connecting section, the thermocouple wires and the compensation lead wires to be in an internal space, the thermocouple wires and the compensation lead wires lying without contact between themselves; and a glass filler part made of a glass having a lower softening temperature than the glass seal part, and filling an internal space of the metal sleeve.

Abstract: A pad-equipped thermocouple includes a sheathed thermocouple in which a pair of thermocouple elements and an inorganic insulating powder for holding the thermocouple elements are accommodated in a sheath. An opening of the sheath is sealed by a sealing member. A pad is welded to a pipe and configured to hold the sheathed thermocouple to a surface of the pipe. A temperature measuring junction formed by the pair of thermocouple elements is exposed to a side face of the sheath in a leading end portion. The pad includes an accommodation portion accommodating the leading end portion such that the leading end portion can be inserted into and pulled out from the accommodation portion along the surface of the pipe, and the accommodation portion accommodates the leading end portion in a state where the temperature measuring junction and the surface of the pipe are in contact with each other.

Abstract: A pad-equipped thermocouple includes a sheathed thermocouple in which a pair of thermocouple elements and an inorganic insulating powder for holding the thermocouple elements are accommodated in a sheath. An opening of the sheath is sealed by a sealing member. A pad is welded to a pipe and configured to hold the sheathed thermocouple to a surface of the pipe. A temperature measuring junction formed by the pair of thermocouple elements is exposed to a side face of the sheath in a leading end portion. The pad includes an accommodation portion accommodating the leading end portion such that the leading end portion can be inserted into and pulled out from the accommodation portion along the surface of the pipe, and the accommodation portion accommodates the leading end portion in a state where the temperature measuring junction and the surface of the pipe are in contact with each other.

Abstract: A pad-equipped thermocouple includes a sheathed thermocouple in which a pair of thermocouple elements and an inorganic insulating powder for holding the thermocouple elements are accommodated in a sheath. An opening of the sheath is sealed by a sealing member. A pad is welded to a pipe and configured to hold the sheathed thermocouple to a surface of the pipe. A temperature measuring junction formed by the pair of thermocouple elements is exposed to a side face of the sheath in a leading end portion. The pad includes an accommodation portion accommodating the leading end portion such that the leading end portion can be inserted into and pulled out from the accommodation portion along the surface of the pipe, and the accommodation portion accommodates the leading end portion in a state where the temperature measuring junction and the surface of the pipe are in contact with each other.

Abstract: In order to solve a technical problem of a temperature sensor for high temperature, in which platinum lead wires may be broken when used at a high temperature, an inner frame (8) made of ceramic is provided inside an outer frame (7) made of metal, the inner frame (8) is fixed, only at the upper end portion thereof, to the outer frame (7), and an insulating filler (9) made of a ceramic adhesive or a ceramic powder tightly filled at a high density is filled inside the inner frame (8) and a portion inside the outer frame (7) where the inner frame (8) is not present. According to this configuration, the occurrence of a break in platinum lead wires (6) can be significantly lowered compared with that of conventional examples.

Abstract: The present invention provides a structure for an end of an MI cable, capable of being produced in a short time with a small number of processing steps. In the structure for the end of the MI cable, a connector including metal pins is attached to the end of the MI cable, and the metal pins respectively have sharp-pointed front ends stuck into the end faces of the wires of the MI cable, and rear ends functioning as electrodes for connection with a soft cable.

Abstract: A terminal head, which is provided in a sheath type temperature sensor and is for connecting the sheath type temperature sensor and a cable, is structured such that, in order for replacement of the sheath type temperature sensor to be easily performed and in order to minimize the number of replacement parts, a terminal plate (2) of the terminal head (1) and the sheath type temperature sensor 3 are coupled using a pair of plug-in connectors (4, 5) and the coupling is held by a coupling nut (6). When replacing the sheath type temperature sensor (3), the leads (31) of the sheath type temperature sensor do not need to be detached from and attached to the terminal plate (2) at the replacement worksite, and the only replaced part other than the sheath type temperature sensor (3) is the one connector (5).

Abstract: It is aimed to provide an inexpensive water level sensor capable of improving accuracy. The water level sensor includes a heat generating body 9 operable to generate heat by an electricity, a thermocouple 12 having a temperature measurement point 123 arranged adjacent to the heat generating body 9, a protection tube 13 for housing these heat generating body 9 and thermocouple 12 and an insulating material 14 filled in this protection tube. The heat generating body 9 includes a platinum resistive element 9 as a heat source.

Abstract: Provided is a cryogenic temperature measuring resistor element including a metallic temperature measuring resistor wire, an electric insulator made of a polycrystalline ceramic material, and a filler filled between the electric insulator and the temperature measuring resistor wire. The filler includes polycrystalline inorganic electric insulating powder, particles of the insulating powder being connected by glass. The glass has a lower softening point than respective melting points of the inorganic electric insulating powder, the temperature measuring resistor wire, and the electric insulator.

Abstract: The present invention relates to an in-furnace temperature measurement device 1 for a furnace in which gas is generated.

Abstract: The materials used for a termination sleeve-equipped MI cable according to the present invention, including bonded portions formed with silver solder, are all non-magnetic substances, and therefore, there will be no disturbance of an external magnetic field due to the presence of a magnetic substance. Furthermore, a pair or a plurality of pairs of conducting wires of the MI cable that transmit a signal or electric power are each formed in a double helix configuration, and therefore the generation of a magnetic field due to the currents flowing through the conducting wires and the influence from an external magnetic field on a signal or electric power to be transmitted can be minimized by using the two conducting wires of each pair as a single round-trip signal line or as a single round-trip electric power line.

Abstract: In a prior-art nail puncture test, it has been difficult to measure the temperature at a short-circuiting portion, which is closely related to the scale of an accident which occurs. As a solution, A nail puncture test device having a temperature measurement function, a sheath thermocouple, and a fixing portion 6 of the sheath thermocouple, wherein a bottomed hole through which the sheath thermocouple is inserted is bored in the axial direction from a head portion to the vicinity of the distal end at the center part of the outer frame, and the sheath thermocouple is fixed to the outer frame by the fixing portion 6 in a state where the sheath thermocouple is inserted into the bottomed hole and the distal end thereof having a temperature measurement point is in contact with the bottom of the hole is provided.

Abstract: The materials used for a termination sleeve-equipped MI cable according to the present invention, including bonded portions formed with silver solder, are all non-magnetic substances, and therefore, there will be no disturbance of an external magnetic field due to the presence of a magnetic substance. Furthermore, a pair or a plurality of pairs of conducting wires of the MI cable that transmit a signal or electric power are each formed in a double helix configuration, and therefore the generation of a magnetic field due to the currents flowing through the conducting wires and the influence from an external magnetic field on a signal or electric power to be transmitted can be minimized by using the two conducting wires of each pair as a single round-trip signal line or as a single round-trip electric power line.

Abstract: The present invention relates to an in-furnace temperature measurement device 1 for a furnace in which gas is generated.

Abstract: In a prior-art nail puncture test, it has been difficult to measure the temperature at a short-circuiting portion, which is closely related to the scale of an accident which occurs. As a solution, A nail puncture test device having a temperature measurement function, a sheath thermocouple, and a fixing portion 6 of the sheath thermocouple, wherein a bottomed hole through which the sheath thermocouple is inserted is bored in the axial direction from a head portion to the vicinity of the distal end at the center part of the outer frame, and the sheath thermocouple is fixed to the outer frame by the fixing portion 6 in a state where the sheath thermocouple is inserted into the bottomed hole and the distal end thereof having a temperature measurement point is in contact with the bottom of the hole is provided.

Abstract: A sheath type measuring instrument can be mounted in place easily and smoothly without the need for boring holes in an outer wall and an inner wall with high positional accuracy and also for a complex process, even if a barrel is to be fixed to the outer wall while a tip end of a sheath is being inserted in a sheath insertion hole bored in an inner wall. The sheath type measuring instrument has a sheath having a tip end for being brought closely to or into contact with a measurand for measuring a physical property of the measurand, and a barrel holding a proximal portion of the sheath for movement in a direction perpendicular to an axis of the sheath.