Importance

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Abstract

Each welding cable terminal component, such as a semi-cylindrical terminal half, near its rearward end is provided with a semi-cylindrical recess in which the cable conductors are received and held in position by a clip in the form of an endless band having a partially cylindrical external portion snugly fitting a corresponding external semi-cylindrical groove in the terminal component. A chordal inner portion of the clip is pressed forcibly into compressing engagement with the ends of the cable conductors within the recess, whereupon molten solder is flowed into the recess under the clip between the hair-like wires of the strands of the cable conductors, thereby forcibly holding the cable conductors firmly in the recess while the solder permeates the entire cable conductor ends within the recess. The terminal components of which there are at least two, are then assembled with an insulating strip between them and clamped together, as by bolts. From each recess of each terminal component, a passageway runs forward to a transverse cooling water port to which connection is made to external cooling water hoses for cooling the cable during use. The forward ends of the terminal components together with the forward end of the insulating strip between them are provided with aligned transverse bores through which passes an insulated bolt for securing the rearward terminal to a welding current transformer and the forward terminal to a welding gun or machine.

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First Claim