Abstract: A nuclear steam generator 10 with economizer 32 adjacent secondary side feedwater inlets 38a and 38b includes a secondary side divider plate 36 and handholes 40 at opposing 180.degree. locations in alignment with the ends of the plate 36. Notches 42 in the ends of the plate 36 adjacent the aligned handholes 40 facilitate inspection and maintenance access on the secondary side above tubesheet 22. To prevent bypass flow from one side of the divider plate 36 to the other, a novel flow blocker 50 of cylindrical shape is provided for mounting in handholes 40 and notches 42. The flow blocker 50 is defined by telescopically assembled member 52 and 62 which are biased in opposite directions by pre-loaded spring 64 therein to insure stability against vibration and flow induced loads. The flow blocker 50 fits sungly in notch 42 and handhole 40 and is bolted to the inside of closure plate 74 of handhole 40.

Abstract: A method and apparatus for decorating the exterior surface of a cylindrical member such as a food or beverage can. A cylindrical bladder made of an elastomeric material is mounted longitudinally within a rigid support so as to create a closed cavity between the support and the bladder. At least a partial vacuum is created in the cavity through a port in the support. The vacuum extends the sidewall of the bladder making room for positioning of a transfer sheet containing sublimable dyes around the cylindrical member within the extended bladder. Vacuum is broken by admitting gas into the cavity at atmospheric pressure. The bladder sidewall contracts radially inwardly thus securely contacting the transfer sheet against the cylindrical member. Heat is applied to transfer at least a portion of the dyes to the cylindrical member. the transfer sheet and cylindrcial member are then removed from the bladder.

Abstract: A process for the production of full color, partial colored or two colored pictures, scenes, words, etc., on articles of aluminum or aluminum alloys. The process involves first forming a hard, dense, non-colored anodic coating of between about 0.4 mils and 1.0 mils on aluminum or aluminum base alloys by anodizing the aluminum in an acidic aqueous electrolyte comprising sulfuric acid, a polyhydric alcohol of from 3 to 6 carbon atoms and an organic carboxylic acid containing at least one reactive group in the alpha position; and coloring the coating by intimately contacting the unsealed coating with a paper containing a dye or dyes capable of subliming and then heating the surfaces causing the dye to sublime and transfer to the unsealed anodic film.

Abstract: A method of producing corrosion resistant, lightfast green coating on aluminum or an aluminum alloy wherein an initial anodic coating is formed on the aluminum or aluminum alloy. The anodized item is then placed in an electrolyte containing silver or silver and copper ions, and the metal ions or compounds thereof are electrolytically desposited into the pores of the anodic film which imparts a yellow color resembling gold to the anodic film. The colored anodic film is then dyed with a light fast blue organic dye. The resulting green colored coating is lightfast and corrosion resistant.

Abstract: Aluminum and its alloys are anodized with a hard finish by enhancing the anodizining electrolyte solution with a lignin or lignosulfonate salt.

Abstract: A method and apparatus for uniformly distributing fuel into the cylinders of an internal combustion engine by introducing fuel into a variable area, sonic flow, convergent-divergent nozzle type carburetor at a location below the throat in close proximity to the shock wave and always within a narrow width axially extending zone that during sonic flow engine conditions in the passage provides good fuel spray characteristics without flow separation from the walls of the passage regardless of the changes in manifold vacuum level or flow area of the nozzle.

Abstract: This invention relates to a process for mass-production formation of aluminum oxide coatings on a plurality of aluminum or aluminum alloy articles by means of continuous anodic oxidation. The process is characterized by connecting one or more of the aluminum articles to the positive terminal of a power supply capable of maintaining constant current. Depending on the volume of work to be anodized, two or more power supplies are utilized with the negative terminals connected to common cathodes of a common anodizing tank and the positive terminals being electrically isolated from each other. Individual racks containing one or more aluminum articles are brought into contact with the positive terminals of the power supplies. Contact is made through a series of segmented bus bars of positive electrical potential corresponding to the number of power supplies and a system is used to move the racks through the common anodizing tank. Thus, continuous anodizing of one or a plurality of articles is accomplished.

Abstract: A method for applying a liquid photo polymer to a surface such that the photo polymer is uniform and holiday-free, the method comprising obtaining a plastic sponge and impregnating the plastic sponge with a liquid photo polymer comprising a solvent which slowly reacts with the plastic from which the sponge is formed. Thereafter, the sponge is brushed and/or drawn across the surface to deposit the photo polymer thereon, the application of the photo polymer being accomplished before the solvent in the photo polymer substantially disintegrates the sponge.

Abstract: A method of recovering oil and oil sands, wherein the system is operated without the need of water or in general even of heat, at least in appreciable quantities. The subject method includes providing crushed ore, crushed preferably to particulate size, on a perforate bed or support and then spraying the so-crushed oil sands ore with a selected solvent at from 1-100 psi gauge pressure such that an oil-containing solution can be collected beneath such support. Thereafter, the oil is recovered by vaporizing the solvent and thereafter condensing the solvent for re-use. Upon vaporization of the solvent, the oil and lighter fractions remain and can be introduced into a refinery or distillation column for recovering desired fractions from the recovered oil or bitumen and also for producing a separate fraction so that the same can be used as an energy source to supply the necessary heat required as well as power for the mechanical equipment used.