Document Rj4bX91mBq13z6oMxwJbxrwJk

WHAT'S NEW IN PLANT EQUIPMENT Flexible Coupling of Ball and Socket Design In the flexible coupling (Davis) re cently announced by the Penn Machine Company, Johnstown, Pa., the principle of the ball and socket motion is em ployed. Hardened and ground socket keys sliding in keyways cut in the outer rings fit over balls imbedded in the hub and permit the coupling to compensate for offset and angular misalignment. The outer ring connects the two hubs through the socket keys sliding endwise in the ring and rocking over the im bedded balls in the hub. With this con struction practically half of the area of the balls is always in contact in the socket keys. This provides maximum ExpanctoD washers ot bolted construction clamp, of non-magnetic steel, is for use on buses and similar connections where this convenient method of joining con ductors can be used. The body of the clamp is shaped so that it will dis tribute the contact pressure independ ently of the spring action of the bolting lugs. The expansion washer for use on Clamp prevents heating of fuse dips dne to poor contact Fuse Clip Clamps To prevent fuses from arcing and burning at contacts, the Ideal Com mutator Dresser Company, Sycamore. III., has introduced the fuse clip damp illustrated. The clamp is placed over the ends of the fuse contact and by turning a knurled knob the contacts are drawn tightly against the fuse, assuring a permanent contact. They are made in three sizes--30 amp., 250 volts; 30 amp.. 600 volts; and 60 amp., 250 to 600 volts.. Protective Paint for Pipe Lines driving contact in all positions and at the same time provides free lateral float to the connected machines. The coupling is made entirely of high carbon forged steel in a number of sizes and both shrouded and exposed types are available. Steel Clamp and Expansion Washer for Electrical Cross section of Davis coupling showing ar rangement of balls and sliding socket keys bolted connections is placed under the head and nut of the bolt. The washers measure li in. in diameter and are pro portioned to give full tension up to the elastic limit of a regular -in. steel bolt. Announcement has just been made by the American. District Steam Company. North Tcnawanda, N. Y., of a protective paint for use on steam and hot water pipe lines. The product has been named ADSCO Pipe-Kote 505. According to the manu facturer, it provides several important advantages over the ordinary paints in that it is impervious to any degree of heat generated by steam; is practically immune to the action of moisture, dilute acids and alkalis; and while it produces an extremely hard, tenacious coating, it is sufficiently elastic to expand and con tract with the pipe without cracking or peeling. While Pipe-Kote is especially recom mended for use on steam and hot-water lines, it is said to work with equal effectiveness on gas and water mains, stacks, boiler fronts, bridges, and all other surfaces exposed to extreme or rapid changes of temperature and at mospheric conditions. Connections To maintain a constant contact pres sure in buses and connections during varying current loads, the General Elec tric Company, Schenectady, N. Y., has brought out the steel clamp and expan sion washers illustrated. The spring Spring clamp of non-magnetic eteel Industrial Brake Lining As a supplement to its line of packings, the Garlock Packing Com pany, Palmyra, N. Y., has introduced an industrial brake lining to be known as Garlock 701. The lining, which is designed for severe duty, is constructed of asbestos cloth, impregnated with a special rubber compound, then folded, molded, and vulcanized under 2.000-lb. pressure. It is available in widths from H to 12 in. and in thicknesses from 5/32 to 1 in. Photo-Electric Lighting Control Relay To enable the intensity of . natural light to control artificial "lighting auto matically, a new photo-electric lighting control relay has been developed by the Westinghouse Electric & Manufactur ing Company, East Pittsburgh, I'a. When the intensity of daylight in creases to a certain point this device operates to turn on electric lights: and, conversely, when the natural light in creases to a certain intensity it causes the lights to be turned off. The operation of the lighting control relay is effected by variations in tinintensity of light falling on a photo electric tube. These variations Pr,``' duce proportional changes in the amount of current passing through the tube. 688 powfp__,v. iw in.1931