Abstract:
A crimp (40a, 40b) for joining copper wires (18a, 18b) in a telecommunications exchange (1), the crimp comprising a cylindrical wall of material comprising an alloy containing copper, iron, nickel, and manganese, and preferably having a composition conforming to BS CN102.
Abstract:
The present invention relates to an electrical contact pair (1), comprising an electrically conductive contact element (2) and a mating-contact element (3) which is likewise electrically conductive and which may be brought into electrical contact with the contact element (2) at least one contact point (C), wherein the contact element (2) and/or the mating-contact element (3) is/are equipped, at least at the contact point (C), with a tin- containing material, and a predetermined normal force (N) is provided, by means of which the contact element (2) and the mating-contact element (3) are compressed together in operation. In order to increase the reliability of tin-containing electrical contact pairs, the surfaces of the contact element (2) and/or the mating-contact element (3) are provided, at the contact point (C), with at least one curvature radius (Rl, R2, R3, R4), wherein the sum of the reciprocals of the curvature radii (Rl, R2, R3, R4) multiplied by the third root of the normal force (N) acting between the contact element (2) and mating-contact element (3) is less than 3.3.
Abstract:
Bei einem elektrischen Steckverbinder (1) in der Ausgestaltung eines Buchsenkontakts mit einem Kontaktinnenteil (3) zum elektrischen Kontaktieren eines Pins (2) und mit einer das Kontaktinnenteil (3) umgebenden Überfeder (4) ist erfindungsgemäß das Kontaktinnenteil (3) aus Neusilber gebildet.
Abstract:
An electrical plug connector (1) in the form of a socket contact with a contact inner part (3) for making electrical contact with a pin (2), and with an outer spring (4) which surrounds the contact inner part (3), the contact inner part (3) is, according to the invention, formed from nickel silver.
Abstract:
Die Erfindung betrifft einen elektrischen Steckverbinder ( 1 ) mit einem buchsenartigen Kontaktelement (6), das in einer, mindestens zwei mit jeweils mit mindestens einer Stossfläche (24, 25) aneinander anliegende Kammerteile (3, 4) umfassenden Kontaktkammer (2) aus Kunststoff mit einer Einstecköffnung (8) angeordnet ist. Erfindungsgemäß ist vorgesehen, dass die Aussenfläche (5) der Kontaktkammer (2) vollständig mit einer leitenden Schicht beschichtet ist, und dass die Stossflächen (24, 25) auf der Aussenseite der Kontaktkammern (2) seitlich von einem Überlappungswandabschnitt (27) überlappt sind, und dass die den Stossflächen (24, 25) zugewandte Seite des Überlappungswandabschnitts (27) ebenfalls mit einer leitenden Schicht beschichtet ist.
Abstract:
A process for producing spiral contact (7) that even in an environment of high temperature, exhibits a low permanent set in fatigue and ensures fair spring characteristics, excelling in electrical conductivity. Ni is used as a core metal of spiral contact (7). Dissimilar metal (7b,7b') deposited on the surface of the core metal, Cu substrate (1) and the core metal in the state of being in contact with each other are heated so as to induce diffusion infiltration of atoms of the dissimilar metal (7b,7b') and Cu atoms of the Cu substrate (1) into a surface layer of the core metal, thereby forming alloys (7c,7d). Ti or Al is used as the dissimilar metal (7b,7b') deposited on the surface of the core metal. With respect to the heating temperature, the lower limit thereof is the temperature corresponding to 0.4 time the absolute temperature of melting point of metal with highest melting point among the core metal and dissimilar metal (7b,7b') disposed in contact with each other while the upper limit thereof is the absolute temperature of melting point of metal with lowest melting point thereamong. Alternatively, Cu is used as the core metal, and a barrier material of Ni is interposed between the core metal and the Cu substrate (1).