Abstract: An apparatus for latching to any selected one of a family of electrical switching apparatuses having differently located centers of gravity includes a lifting bracket having a plurality of lifting attachment points whereby a crane or other hoisting device may be attached thereto. The lifting bracket with lifting attachment points enables the selected electrical switching apparatus to be lifted while being maintained generally level without excess tilting thereof. The apparatus also includes first and second latches movably connected to opposing ends of the apparatus for securely latching to the electrical switching apparatus being lifted. The lifting bracket of the apparatus also includes a locking flange for engaging the electrical switching apparatus during lifting and securely locking the first and second latches to the electrical switching apparatus.

Abstract: A lifting assembly for lifting an electrical switching apparatus for placement in an electrical cabinet includes a support frame moveable along first and second rail members mounted on the electrical cabinet. The lifting assembly also includes a winch having a spool, and a cable having a first end attached to the winch and a second end for lifting the electrical switching apparatus. The cable passes over a pivotable, rotatable cable support member mounted upon the support frame to provide even distribution of the cable on the spool. A plurality of wheels rotatable about either a horizontal axis or vertical axes are attached to the support frame for movement of the support frame along the rail members.

Abstract: This invention relates to a wet-laid sheet material prepared from thermoplastic fibers, graphite particles, reinforcing fibers, and microglass fibers. The sheet material is useful in making compression molded composite plaques, said plaques being thermally and electrically conductive.

Abstract: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.

Abstract: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.

Abstract: Thin carbon products are produced from cellulose material by impregnation with a carbonaceous material followed by curing and baking. The baked product may optionally be graphitized depending on end use.

Abstract: A refractory hard metal-metal composite is formed by impregnating a porous refractory hard metal article with molten metal.

Abstract: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.

Abstract: A monolithic bipolar electrode for the production of primary aluminum by molten salt electrolysis is composed of a cermet anodic layer 10, a conductive and diffusion-resistant intermediate layer 14, and a refractory hard metal cathodic layer 20, with the edges covered by an electrolyte-resistant coating. The intermediate conductive layer 14 has a coefficient of thermal expansion intermediate to the anodic and cathodic layers.

Abstract: A cathodic element for a Hall-Heroult aluminum reduction cell is formed from a refractory hard metal, preferably TiB.sub.2, in a generally mushroom-shaped configuration. The element is economical of raw materials and has improved thermal endurance when compared to a right cylinder or other element of uniform cross-section.

Abstract: TiB.sub.2 -graphite composite articles suitable for use as cathode components in a Hall aluminum reduction cell are made by impregnating a TiO.sub.2 -carbon composite with a boron compound and carbon black dispersed in water, or alternately by impregnating a boron or boron compound-carbon composite with a carbon black-TiO.sub.2 dispersion, and heating the article to a reaction temperature whereby TiB.sub.2 is formed and the amorphous carbon converted to graphite. The article may be impregnated with a carbonizable liquid, re-baked, and re-heated to a graphitizing temperature to increase its strength and density.

Abstract: Titanium diboride graphite composite articles are produced by mixing TiO.sub.2, petroleum coke and a binder to form a plastic dispersion. Articles are shaped by molding or extrusion and baked to carbonize the binder to form a baked carbon-TiO.sub.2 composite. The article is impregnated with a molten or dispersed boron compound, then heated to drive TiB.sub.2 forming reaction. The article is then further heated to a graphitizing temperature to form a graphite-TiB.sub.2 composite useful as a cathode component in a Hall aluminum reduction cell.

Abstract: TiB.sub.2 -carbon composites are produced by mixing the raw materials comprised of carbon, TiB.sub.2, pitch, and other reactants, forming a shaped article, processing in a nitrogen atmosphere up to 2100.degree. C., and in a noble gas above 2100.degree. C.

Abstract: A cathode component for a Hall aluminum cell is economically produced from a mixture of a carbon source, preferably calcined petroleum coke, and optionally calcined acicular needle petroleum coke, calcined anthracite coal; a binder such as pitch including the various petroleum and coal tar pitches; titanium dioxide, TiO.sub.2 ; and boric acid, B.sub.2 O.sub.3 or boron carbide, B.sub.4 C; forming said mixture into shapes and heating to a TiB.sub.2 -forming temperature.

Abstract: Chloro-hydrocarbons are used as pitch binder modifiers to improve the strength, density and electrical properties of carbon and graphite articles produced from carbonaceous particles, binders, and additives, and are particularly useful in manufacture of electrodes used in ultra high powered electric arc steel furnaces.