Abstract: A fuel cell generator is made containing a plurality of fuel cells and fuel feed conduits exterior to and disposed between the fuel cells to distribute unreformed fuel feed to the exterior surface of the fuel cells, where the exterior surface of the fuel cells is effective to reform the fuel feed.

Abstract: A process of hot isostatic pressing of powders to form electrical contacts is characterized by the steps: (A) mixing powders, 1 in the Drawing, from metal containing powder or metal containing powder plus carbon powder, where at least one of Ag and Cu is present, (B) thermal cleaning treatment of the powder, 2 in the Drawing, (C) granulating the thermally treated powder, 3 in the Drawing, (D) uniaxially pressing the powders without heating, 5 in the Drawing, to provide a compact, (E) placing at least one compact in a pressure-transmitting, pressure-deformable container, 6 in the Drawing, and surrounding each compact with fine particles of a separating material, (F) evacuating air from the container, 7 in the Drawing, (G) sealing the compacts inside the container, 8 in the Drawing, (H) hot isostatic pressing, 9 in the Drawing, the compacts through the pressure transmitting material at a pressure from 352 kg/cm.sup.2 to 2,115 kg/cm.sup.2 and a temperature from 0.5.degree. C. to 100.degree. C.

Abstract: Disclosed is an improvement in a solid oxide electrochemical cell generator 1 having a rectangular design with four sides that meet at corners, and containing multiplicity of electrically connected fuel cells 11, where a fuel gas is passed over one side of said cells and an oxygen containing gas is passed into said cells, and said fuel is burned to form heat, electricity, and an exhaust gas. The improvement comprises passing the exhaust gases over the multiplicity of cells 11 in such a way that more of the heat in said exhaust gases flows at the corners of the generator, such as through channels 19.

Abstract: A drawout fuseholder 10 is made, containing two electrically conductive contacts 11 and 12 and having an insulating tube 13 connected thereto and disposed therebetween, where the tube tube has a smooth, hard inner surface 15 and outer surface 16 of glass free cycloaliphatic epoxy resin and a central glass fiber member 14 impregnated with cycloaliphatic epoxy resin, where a metallic fuse element is connected to the contacts through the interior of the tube.

Abstract: A draw-out fuseholder 10 is made containing a first, electrically conductive metal fuse contact 11 having an outer chamfer 12 and a circumferential top surface 13, a second, extended, electrically conductive metal fuse contact 14 having an inner chamfer 15, an outer chamfer 16, and a circumferential top surface 17, and insulating tube 18 comprising fiber reinforced, thermoset resin between the fuse contacts, where the top of the insulating tube has a sharp edge 19 and discontinuity 20 near the second fuse contact inner chamfer 15, and where the ratio of first fuse contact exposed length 25: second fuse contact exposed length 26 is from 1:1.3 to 1:2.5. This fuseholder 10 can be placed in the housing 32 of a draw-out device 30, where housing contact sets 39 and 40 mate with the fuse contacts 14 and 11 in an at-rest position.

Abstract: A silver-iron battery is made comprising a case 14 and a cover 15 within which are disposed at least one silver electrode 11, at least one iron electrode 12, a separator system 13 between the electrodes and an alkaline electrolyte, where the separator system contains at least a layer of low density polyethylene, having a density of from about 0.91 g./cm.sup.3 to about 0.92 g./cm.sup.3, graft co-polymerized with an acrylic material, disposed next to the silver electrodes, and at least a layer of high density polyethylene, having a density of from about 0.95 g./cm.sup.3 to about 0.96 g./cm.sup.3, graft co-polymerized with an acrylic material, disposed next to the iron electrodes, and where a layer of cellophane can also be included next to the low density polyethylene and a middle layer of low density polyethylene and be included between the cellophane and the high density polyethylene.

Abstract: An iron-silver battery is made, comprising a case 14 and a cover 15 conaining silver electrodes 10, iron electrodes 11, separators 13 between the electrodes, and electrolyte; where the siliver electrodes 10 are made by mixing a major amount by weight of large Ag particles and a minor amount by weight of small Ag.sub.2 O particles, pressing the mixture to a current collector having at least a nickel surface, to provide an electrode, and sintering the electrode in a reducing gas to provide a body of sintered, all silver particles containing large particles and small sintered-pore particles, having a 50% to 70% porosity and a large surface area, and capable of discharging at from a C/8 rate up to a C/2 rate.

Abstract: A solid electrolyte electrochemical cell combination 1 is made, comprising an annular, axially elongated, inner electrode 2 containing at least one interior gas feed conduit 3; annular solid electrolyte segments 4 around and covering portions of the inner electrode; annular outer electrode segments 6 around and covering portions of the electrolyte segments; electronically conducting, non-porous, interconnection material 5 disposed between electrolyte segments and in contact with the inner electrode, and electronically conducting, porous, metal fiber current collector felts 7 disposed on top of the non-porous interconnect material and outer electrode segments, where both the non-porous interconnect material and the porous metal felts are disposed circumferentially about the cell, transversely to the axial length of the cell and the inner electrode is continuous for the entire axial length of the cell combination.

Abstract: A controlled depth laser drilling system for a workpiece containing metallic conductors is provided having at least one laser beam (56 and/or 57 of FIG. 5) where a portion of the laser beam (44) will be reflected from the workpiece and back to a drilling depth monitoring means (43) containing optical means capable of reflecting a portion of the original and reflected laser beams into radiation detector means (46', 46" and/or 45', 45"), where the detector means are capable of converting the radiation received into a measurable electrical signals.

Abstract: A void-free prepreg is made by contacting a porous sheet material with a resin so that resin enters the sheet, providing a subatmospheric pressure on one side of the resin-containing sheet to draw resin through the sheet, and then B-staging the resin-containing sheet.

Abstract: Disclosed is a cermet electrode consisting of metal particles of nickel, cobalt, iron, or alloys or mixtures thereof immobilized by zirconia stabilized in cubic form which contains discrete deposits of about 0.1 to about 5% by weight of praseodymium, dysprosium, terbium, or a mixture thereof. The solid oxide electrode can be made by covering a substrate with particles of nickel, cobalt, iron, or mixtures thereof, growing a stabilized zirconia solid oxide skeleton around the particles thereby immobilizing them, contacting the skeleton with a compound of praseodymium, dysprosium, terbium, or a mixture thereof, and heating the skeleton to a temperature of at least 500.degree. C. The electrode can also be made by preparing a slurry of nickel, cobalt, iron, or mixture and a compound of praseodymium, dysprosium, terbium, or a mixture thereof, depositing the slurry on a substrate, heating the slurry to dryness, and growing a stabilized zirconia skeleton around the metal particles.

Abstract: Disclosed in an emulsion having a discontinuous phase that consists of a water dispersed or water emulsified epoxy resin in water having at least two epoxide groups, a water soluble salt of an imide compound having at least one carboxyl group, and a crosslinking agent; the discontinuous phase has excess epoxide functionality. The continuous phase is water. A method of forming a coating on a conductive substrate is also disclosed. The substrate and an electrode are immersed into the emulsion and a direct current is applied between the substrate and the electrode to electrophoretically deposit a coating on the substrate of the epoxy resin, the imide compound, and the crosslinking agent. The substrate is removed from the emulsion and is heated to a temperature sufficient to cure the coating.

Abstract: A coated article is made by: (1) admixing an epoxy resin, with a dual curing agent admixture of (a) an irradiated mixture of carboxylic acid anhydride and carbon containing cyclic compound and (b) a boron trihalide complex selected from at least one of boron trihalide:amine and boron trihalide:ether, (2) applying the mixed resin and concentrated dual curing agent to the surface of an article, and (3) curing the applied resin and curing agent.

Abstract: A porous, self-supporting, elongated electrode is made, having a closed end, an inner wall defining a gas feed conduit, and at least one other gas exit conduit within the structure, where the conduits communicate with each other near the closed end of the structure.

Abstract: An integrated gasification iron-air electrical system, capable of generating electrical energy from a carbon containing material, is made, the system containing a gasification furnace having at least one gasification reactor zone where a carbonaceous material contacts and reacts with a gas containing steam, to produce a hot gas reaction product containing CO and H.sub.2 ; where the hot gas then contacts discharged iron electrodes at over 450.degree. C., to convert discharged iron compounds to iron compounds, and the recharged iron electrodes are then placed in iron-air cells which generate electrical energy.

Abstract: A vacuum interrupter device 11 with contacts 21 and 27 formed from a mixture of copper, chromium, bismuth, and at least about 0.5 weight percent of chromic oxide. The mixture can additionally include small amounts of silver, iron and titanium. The chromic oxide hinders copper grain growth, binds bismuth in the matrix, and increases vacuum dielectric strength in the vacuum interrupter.

Abstract: A resilient polyurethane elastomeric article is made from (A) a prepolymer prepared from a composition consisting essentially of diphenylmethane diisocyanate and polyoxytetramethylene glycol, and (B) a dual component chain extender consisting essentially of a low molecular weight triol and a material selected form one of 1,4-butanediol and resorcinol di-(beta-hydroxy ethyl) ether. The admixture can be used to impregnate or coat porous fabric material which upon cure and be used as relatively soft, flexible seals or shock isolator pads.

Abstract: The surface of a metal article which is exposed to the atmosphere and abrasion during normal use of the article is protected from scratches and/or corrosion during such use by a thin transparent abrasion-resistant film of an inert non-metallic material such as SiO.sub.2, SiC, Si.sub.3 N.sub.4, TiO.sub.2, MgO, Al.sub.2 O.sub.3, Ta.sub.2 O.sub.5, Nb.sub.2 O.sub.5, GeO.sub.2, spinel and selected colorless glass compositions. The protective film is preferably deposited by RF-sputtering techniques and undesirable coloration of the article by optical interference effects from incident light rays is avoided by properly correlating the film thickness with the refractive index of the particular material used to form the film. The invention permits the use of thinner gold plating on such items as articles of expensive jewelry and bracelets and cases for fine wristwatches without detracting from the quality, durability or appearance of the merchandise.

Abstract: An axially elongated, electrochemical cell assembly is made, containing a plurality of cell elements each made up of an electronically conductive, porous, inner electrode, an annular, solid electrolyte contacting and surrounding said first electrode, and an annular, electronically conductive, porous, outer electrode contacting and surrounding said electrolyte, with annular, electronically conductive, interconnection members disposed between and bonded to cell elements, where the inner electrodes of the cell elements are electronically connected through the interconnection member, and the outer electrodes of the cell elements are physically and electronically segmented from each other; where a plurality of such cell assemblies can be connected by a sleeving means and placed in the generating chamber of an electrochemical cell generator, which also has an associated dual gaseous reactant input, at least one combustion product chamber, and a combustion product gas exhaust.

Abstract: An electrochemical apparatus is made containing an exterior electrode bonded to the exterior of a tubular, solid, oxygen ion conducting electrolyte where the electrolyte is also in contact with an interior electrode, said exterior electrode comprising particles of an electronic conductor contacting the electrolyte, where a ceramic metal oxide coating partially surrounds the particles and is bonded to the electrolyte, and where a coating of an ionic-electronic conductive material is attached to the ceramic metal oxide coating and to the exposed portions of the particles.