Abstract: An electrical connection structure includes: a first metal member including copper or a copper alloy, a plated tin layer being formed on at least a portion of the first metal member; a second metal member that is electrically connected or connectable to the first metal member; and a surface treating layer formed on the surface of the first metal member. The surface treating layer is formed by applying a surface treating agent containing base oil and a metal affinity compound having a lipophilic group and an affinity group that has an affinity for metal. The metal affinity compound contains an adduct between an acidic alkyl phosphate ester and an azole compound and an adduct between an acidic alkyl phosphate ester and a metal and/or an organic amine compound.

Abstract: A composition having an oil film retention function which an oil film can be stably retained on surfaces of various metals, an anticorrosive agent using same, and insulated terminated electric wire. A composition having oil film retention function for being added to base oil to be applied onto a metal surface and retaining base oil on metal surface, and composition contains a component that is an adduct of an azole compound and acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) (Chemical Formula 1) P(?O)(—OR1)(—OH) 2 . . . (1) or General Formula (2) (Chemical Formula 2) P(?O)(—OR1)2(—OH) . . . (2) where R1 represents an organic group having four or more carbon atoms, and component that is an adduct of a metal and/or organic amine compound and acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) or (2).

Abstract: A terminal-provided wire (10) includes a wire (11) formed by covering a core (12) with an insulation coating (13), a terminal (20) to be connected to the core (12) exposed at an end of the wire (10), and a shrinkable tube (28) for sealing a wire connecting portion (25) formed by connecting the exposed core (11) and the terminal (20). An inclined surface (12A) for making a thickness of the core (12) smaller toward the tip of the core (12) is formed by welding on a part of the exposed core (12) before the wire connecting portion (25).

Abstract: A terminated electric wire includes an electric wire that includes a core wire including a metal having an ionization tendency larger than that of copper and being exposed from an end portion of the electric wire, and a terminal that includes copper or a copper alloy and is connected to the exposed core wire. A surface treating layer includes a surface treating agent that is in liquid form or in paste form and whose molecular structure contains an affinity group having an affinity for the terminal and a hydrophobic group having hydrophobicity, and is formed on a surface of the terminal. As a result, the electrolytic corrosion resistance of the terminated electric wire is improved.

Abstract: An electric wire with a terminal includes an electric wire that has a conductor made of aluminum or aluminum alloy and an insulating coating covering the conductor, and a terminal that has a connecting portion to which an exposed conductor that is exposed at a terminal end of the electric wire is connected. The connecting portion is formed by compressing while heating a tubular part in a state in which the exposed conductor is inserted into the tubular part, the tubular part being provided on the terminal and being capable of allowing the exposed conductor to be inserted thereinto.

Abstract: An object is to obtain a stable electric connection resistance under a mild crimping condition. The present invention is a terminal connector 12 that includes a crimp portion 30 to be crimped to an electric wire. The crimp portion 30 includes a base material, an aluminum layer or an aluminum alloy layer a surface on the base material, and a hard layer on a surface of the aluminum layer or the aluminum alloy layer. The hard layer is harder than the base material. The present invention may be an electric wire with a terminal connector 10 that includes the above terminal connector 12 and a covered electric wire 40 that includes a core wire 42 made of aluminum or aluminum alloy. The crimp portion 30 of the terminal connector 12 is crimped to the core wire 42.

Abstract: An electric connection structure includes a copper member including copper or a copper alloy; a metal member connected to the copper member and including a metal having an ionization tendency greater than that of copper; and a surface treatment layer at least in a portion of the copper member that is different from a connection part connected to the metal member. The surface treatment layer includes a surface treating agent having a hydrophobic part and a chelate group in the molecular structure. Thus, the occurrence of electric erosion can be suppressed in the electric connection structure in which different kinds of metals are connected.

Abstract: An electric wire with terminal includes an electric wire covering an outer periphery of a core wire with an insulating coating and a female terminal. The female terminal includes: a wire barrel having a bottom plate on which the core wire is placed and crimped onto the core wire; a groove portion extending from the bottom plate in a direction in which the core wire extends and whose surface on the side where the core wire is placed is bent into a concave shape. The groove portion has a water blocking wall molded by synthetic resin. The water blocking wall is provided to fill the inside of the groove portion. A region extending from the water blocking wall to the end of the insulating coating is covered with a water blocking coating, and the inner surface of the water blocking coating is in close contact with the water blocking wall.

Abstract: A terminal-provided wire (10) includes a wire (13) with a core (11) whose end is exposed, and a terminal (20) crimped to the end of the core (11) and connectable to a mating side. The terminal (20) includes a front terminal portion (21) and a rear terminal portion (22). The rear terminal portion (22) includes a bottom plate portion (26) on which the core (11) is to be placed, a pair of wire barrel portions (27) extending from the bottom plate portion (26) and to be crimped to the core (11), an easily breakable portion (28) extending in an axial direction from the bottom plate portion (26) and to be broken at the time of disassembling, and a fixing portion (29) extending in the axial direction from the easily breakable portion (28).

Abstract: A refrigeration cycle device includes a flow channel coupling member which constitutes at least one of a branching portion and a joining portion of a third refrigerant passage and a branching portion and a joining portion of a bypass passage. One of three refrigerant ports of the flow channel coupling member is directly connected to one of two refrigerant ports of a first switching device or a second switching device, and a sealing mechanism preventing a refrigerant leakage is provided in a connecting portion between the refrigerant port of the flow channel coupling member and the refrigerant port of the first switching device or the second switching device. The flow channel coupling member is fixed to one of the switching devices at a position different from a position of the sealing mechanism.

Abstract: A system includes an acquisition unit configured to acquire browsing history information on a website in an online shopping service; an analyzer configured to quantify a browsing act on the website by a user of the service based on the acquired information; and a notification generator configured to generate information for notifying of a privilege granted to the user in the service based on the quantified browsing act. The browsing history information includes user identification of the service, item identification of an item sold in the service, and act identification of the type of the browsing act on the website. The analyzer extracts the browsing history information based on the user identification and the item identification, and quantify the browsing act on the website by referring to information set with a numerical value appropriate for the browsing act on the website based on the act identification.

Abstract: A relief valve includes an adjusting piston which is slidable by the action of a pilot pressure, a pilot poppet on which a spring force of a setting spring adjusted by a sliding movement of the adjusting piston acts in a valve closing direction, a spring chamber into which a spring for exerting a spring force opposing the pilot pressure is incorporated, and an air vent hole which is formed in the spring chamber and exposes the spring chamber to outside.

Abstract: A terminal-provided wire (10) includes a wire (11) formed by covering a core (12) with an insulation coating (13), a terminal (20) to be connected to the core (12) exposed at an end of the wire (10), and a shrinkable tube (28) for sealing a wire connecting portion (25) formed by connecting the exposed core (11) and the terminal (20). An inclined surface (12A) for making a thickness of the core (12) smaller toward the tip of the core (12) is formed by welding on a part of the exposed core (12) before the wire connecting portion (25).

Abstract: An object of the present invention is to provide a terminal fitting with improved waterproof property. A terminal fitting (10) includes a box-shaped main portion (21), barrel portions (22, 23) to be crimped and connected to a core (91) at an end portion of a wire (90), a waterproof wall (60) to be mounted between the barrel portions (22, 23) and the main portion (21) to partition between them in a liquid-tight manner, a restricting portion (25) configured to restrict a movement of the waterproof wall (60) toward the main portion (21) by coming into contact with the waterproof wall (60) from the main portion (21) side and a heat shrinkable tube (70) to be held in close contact with the barrel portions (22, 23) and the waterproof wall (60) while surrounding the core (91).

Abstract: A terminal-provided wire (10) includes a wire (13) with a core (11) whose end is exposed, and a terminal (20) crimped to the end of the core (11) and connectable to a mating side. The terminal (20) includes a front terminal portion (21) and a rear terminal portion (22). The rear terminal portion (22) includes a bottom plate portion (26) on which the core (11) is to be placed, a pair of wire barrel portions (27) extending from the bottom plate portion (26) and to be crimped to the core (11), an easily breakable portion (28) extending in an axial direction from the bottom plate portion (26) and to be broken at the time of disassembling, and a fixing portion (29) extending in the axial direction from the easily breakable portion (28).

Abstract: Provided are an aluminum-based terminal fitting in which a Sn layer has high peel resistance, and a terminal connecting structure of an electric wire provided with the terminal fitting. The aluminum-based terminal fitting includes a wire barrel portion (110) for connection to a conductor (210) constituted by aluminum or an aluminum alloy and provided in an electric wire (200), and a fitting portion (female fitting portion (130) or male fitting portion (140)) provided to extend from the wire barrel portion (110) and electrically connected to a separate terminal fitting. A Sn layer formed directly on a base material constituting the terminal fitting is provided on the contact region in the fitting portion.

Abstract: An object is to obtain a stable electric connection resistance under a mild crimping condition. The present invention is a terminal connector 12 that includes a crimp portion 30 to be crimped to an electric wire. The crimp portion 30 includes a base material, an aluminum layer or an aluminum alloy layer a surface on the base material, and a hard layer on a surface of the aluminum layer or the aluminum alloy layer. The hard layer is harder than the base material. The present invention may be an electric wire with a terminal connector 10 that includes the above terminal connector 12 and a covered electric wire 40 that includes a core wire 42 made of aluminum or aluminum alloy. The crimp portion 30 of the terminal connector 12 is crimped to the core wire 42.

Abstract: A method for manufacturing an electric wire with a terminal, includes crimping a barrel portion of the terminal onto a core wire constructed of metal wires and creating a crack in a metal oxide layer immediately before the crimping. The metal oxide layer is formed on a metal surface of the core wire. The creating of crack is accomplished by applying a mechanical force to the metal oxide layer.