Abstract: A tube fitting includes: a zinc-based plated layer; and a resin coating layer that is positioned at an outermost surface at an outer side of the zinc-based plated layer and includes a polyethylene substance, a lubricant, and solid particles. When a fitting average plating thickness t relating to the thickness of the zinc-based plated layer is defined, 2.1<t<19.7 is true.

Abstract: An object of the present invention is to propose a device capable of automatically insetting a tube into a bending die instead of doing so manually, even if the shape of a product exceeds two meters in length, the device comprising a bending die having a tube insetting portion, and a traveling body that includes a guide mechanism guiding a tube to an upper portion of the tube insetting portion, an auxiliary guide mechanism keeping the tube in the upper portion of the tube insetting portion, a insetting roll insetting the tube in the tube insetting portion, a pair of drive wheels rolling along lower rails, and a drive mechanism, wherein the traveling body moves and insets a tube into the bending die while having the auxiliary guide mechanism and the drive wheels grip the bending die.

Abstract: The thermoelectric module includes a first thermoelectric element including a first thermoelectric conversion layer and a first electrolyte layer stacked each other along a stacked direction, a second thermoelectric element stacking the first thermoelectric element in the stacked direction and including a second thermoelectric conversion layer and a second electrolyte layer stacked each other along the stacked direction, a first current collector located on a side of one edge in the stacked direction, a second current collector located on a side of another edge in the stacked direction, and an electron transmission layer located between the first thermoelectric element and the second thermoelectric element in the stacked direction.

Abstract: A tube fitting is provided with a resin coating layer over a coated region surfaces of a threaded portion and a contact portion. The resin coating layer includes a polyethylene based substance, a lubricant, and solid particles. When mass per unit area w (g/m2) is defined as a value obtained by dividing the mass difference between a state with the resin coating layer and a state without the resin coating layer by the surface area of the coated region, the mass per unit area w satisfies a relation 0.79<w<10.07.

Abstract: An object of the present invention is to provide a stable thermoelectric battery. The object can be solved by a thermoelectric battery comprising a working electrode containing a n-type silicon and germanium, a counter electrode, and a solid electrolyte having a polymer having a specific repeating unit with a molecular weight of 200 to 1,000,000, or a derivative thereof, wherein the solid electrolyte contains copper ions or iron ions as an ion source.

Abstract: A thermoelectric cell includes a thermoelectric body including heat-utilizing power generating elements in each of which a thermoelectric conversion layer and a solid electrolyte layer are layered, a conductive case including a first case body and a second case body and accommodating the thermoelectric body, an insulating member electrically insulating the first case body or the second case body or the second case body and the solid electrolyte layer on a side surface of the thermoelectric body while electrically insulating the first case body and the second case body, and a compressible conductor accommodated in the case and disposed between the thermoelectric body and the case. The first case body, the thermoelectric body, and the second case body are electrically connected in a stacked direction by disposing the compressible conductor on a side of at least one of the first case body and the second case body.

Abstract: An object of the present invention is to provide a bending die that has a simple configuration and is capable of bending a rod-shaped body in a three-dimensional XYZ direction quickly and reliably, the bending die comprising a pair of forming dies clamped in a Z direction, wherein the forming dies have, respectively, rod-shaped body-forming recess portions, and rod-shaped body guide portions for guiding a rod-shaped body to the rod-shaped body-forming recess portions, the rod-shaped body-forming recess portions are each formed into a shape with a semicircular cross section that defines, between the forming dies when clamping the forming dies, a long, cylindrical cavity for forming the rod-shaped body bent in a three-dimensional XYZ direction, and the rod-shaped body guide portions are each formed into a V-shape that spreads outward from both sides of each of the rod-shaped body-forming recess portions having a semicircular cross section.

Abstract: A seal apparatus provides sufficient sealing and is compact and inexpensive. The seal apparatus includes a thread part screwed to the screw fastening part of a hollow component; a seal part that moves along an axis of the screw part and comes into pressure contact with the screw fastening part of the hollow component; a stopper part fixed to the screw part that restricts the movement of the seal part; a pressed part that moves the seal part into pressure contact with the screw fastening part; a spring disposed between the pressed part and the stopper part; and an accumulator formed between the stopper part and the seal part and into which a test fluid which is introduced into the hollow component for inspection flows.

Abstract: An anchor position adjustment device includes a guide rail having a plurality of engagement recess portions formed to be arranged, a moving member attached to the guide rail, a lock pin-provided in the moving member, a first biasing member biasing the lock pin in an inserting direction of the lock pin with respect to the engagement recess portions, a release pin extending from the lock pin, and an operation member attached to the moving member in a slidable manner. The operation member has a release inclination surface guiding the release pin in a pulling direction of the lock pin with respect to the engagement recess portions in accordance with sliding of the operation member, and a release inhibition surface inhibiting the lock pin from being pulled out from the engagement recess portion in a pre-slide state.

Abstract: Provided is a fuel pipe connected to a fuel distribution pipe distributing and supplying fuel to a plurality of fuel injection devices. The fuel pipe includes a pipe body and a connection head part fastened to the fuel distribution pipe by a cap nut. The connection head part includes a first curved portion curved in a circular shape in a reference cross-section including a central axis A of the fuel pipe and abutting against a seat surface formed on an inner peripheral surface of the fuel distribution pipe, a second curved portion curved in a circular shape in the reference cross-section and locked on a locking surface formed on an inner peripheral surface of the cap nut, and a straight portion extending linearly in the reference cross-section and interconnecting the first curved portion and the second curved portion.

Abstract: A gas-tight plug is attachable by pressing it against an opening portion of a hollow component, the gas-tight plug being inserted into the opening portion using the force of pressing to be automatically aligned so that if the positions of a plurality of opening portions vary within an allowable tolerance, the axial directions of all the opening portions and the axial directions of the respective gas-tight plugs are automatically caused to coincide. A gas-tight plug includes an end portion, a contact part of a base portion end of the gas-tight plug coming into contact with a base of the pressing mechanism has a circular flat surface coaxial with the end portion, and the circular flat surface has a diameter more than 0.12 times and less than 0.2 times a total length of the gas-tight plug.

Abstract: A cooling device includes: a case equipped with a supply port for a coolant and a discharge port for the coolant and a laminated core disposed in the case, the laminated core comprising a plurality of punched plates, each with the same shape, and each punched plate including: a plurality of linear portions that extend in waveform shapes in a flow direction of the coolant and that are spaced apart in an amplitude direction of the waveforms, and linking portions that are spaced apart in an extension direction of the linear portions and that link the linear portions to one another in the amplitude direction, the punched plates being alternately disposed front-to-back and the linear portions being superposed over one another, and the linking portions of the superposed punched plates being disposed spaced apart in the extension direction.

Abstract: A cylinder housing 12 includes a cylindrical cylinder portion 21 which extends in the direction of a center axis line Z and a bent portion 22 which is bent with respect to the cylinder portion 21 and extends inward in a radial direction from an end portion of the cylinder portion 21, the cylinder portion 21 includes a first cylinder portion 25 and a second cylinder portion 26 which is located on the side of the bent portion 22 in the first cylinder portion 25 and is connected to the bent portion 22, a thickness B of the second cylinder portion 26 is equal to or larger than a thickness A of the first cylinder portion 25, and a thickness C of the bent portion 22 is larger than the thickness A of the first cylinder portion 25.

Abstract: A pipe connector includes: a housing in which an insertion hole is formed, a pipe being inserted into the insertion hole; at least one O-ring that forms a seal between an inner circumferential surface of the insertion hole and an outer circumferential surface of the pipe; a restricting member that is attached to the housing from an outer side in a radial direction of the pipe; and a restricting portion that is provided at the restricting member, wherein the restricting portion bends towards an opposite side from an insertion direction of the pipe when the restricting member is pressed from the outer side in the radial direction of the pipe towards an inner side thereof, and elastically returns so as to restrict movement of the at least one O-ring towards the opposite side from the insertion direction of the pipe when the restricting member has been attached to the housing completely.

Abstract: Provided is a fuel distribution device 1 including a fuel distribution pipe 3, a fuel pipe 4, and a connecting member 5. The fuel distribution pipe 3 has a seat section 21 having a first convex curved surface 24 formed on an outer circumferential surface thereof. The fuel pipe 4 has a seal section 27 having a second concave curved surface 28 formed on an inner circumferential surface thereof, and a second convex curved surface 29 corresponding to the second concave curved surface 28 is formed on an outer circumferential surface thereof. The connecting member 5 presses the seal section 27 against the seat section 21 from an opposite side of the fuel distribution pipe 3. A radius of curvature SR2 of the second concave curved surface 28 is greater than a radius of curvature SR1 of the first convex curved surface 24.

Abstract: A cooling device uses siphon circulation whose heat source is an object-to-be-cooled installed in a vehicle to circulate refrigerant to the object-to-be-cooled, the cooling device including: a tank that is disposed above the object-to-be-cooled and stores the refrigerant; an outflow path that opens to the inside of the tank and through which the refrigerant flows out; a passage member that extends from the inside to the outside of the tank, with an open end of an inside section of the passage member positioned inside the tank being positioned above an opening of the outflow path; and identifying means that is provided at an outside section of the passage member positioned outside the tank and by which the position of the open end inside the tank can be identified.

Abstract: A metal pipe including a curved portion produced by bending in which a plurality of non-bending surfaces and a plurality of bent portions at which the non-bending surfaces are connected in a bending manner are provided on a circumferential surface on an inside of a center of a curvature side of the curved portion is provided.

Abstract: A method for bending a pipe by, while sandwiching one portion of the pipe by a gripping device, sandwiching the other portion of the pipe between a pair of bending rolls and by causing the other bending roll to relatively revolve about one bending roll out of the pair of bending rolls, wherein the bending rolls are held by a common movable frame body, the relative revolution is realized by synchronous movement in which rotating movement for rotating the frame body and lateral movement for moving the frame body in a direction (Y-axis direction) perpendicular to a longitudinal direction (X-axis direction) of the pipe are synchronized with each other, and the movement in the Y-axis direction of the frame body is performed such that a position in the Y-axis direction of a center axis of the one bending roll is held and a position in the X-axis direction of a rotating center point of the rotating movement remains same.

Abstract: A chuck device that allows easy attachment of a clamping target component and can provide powerful and highly reliable clamping includes a main body including a metal core part and an annular space coaxial with and formed around the metal core part; a rubber elastic body fitted in the annular space of the main body such that there is a pressure chamber between a circumferential wall that defines the annular space and the rubber elastic body, and a clearance for allowing a tubular clamping target component to be inserted between the rubber elastic body and the metal core part; and a passage for introducing a fluid to the pressure chamber, wherein the rubber elastic body is deformed to expand toward the metal core part by a pressure of a fluid introduced to the pressure chamber via the passage so that a tubular clamping target component that is attached to the metal core part is clamped by the metal core part and the rubber elastic body that has deformed to expand.

Abstract: Provided is a fuel distribution pipe connected to a fuel pipe and distributes and supplies fuel to a plurality of fuel injection devices, comprising: a tubular base material forming a body of the fuel distribution pipe; and a plating layer formed on a surface of the base material, wherein the base material includes a sealing surface formed on an inner peripheral surface thereof and comes into press-contact with the fuel pipe, and wherein a thickness of the plating layer on the sealing surface is thinner than that of the plating layer on an outer peripheral surface of the fuel distribution pipe.