Abstract: A method for manufacturing a composite material comprises the steps of furnishing a layer of a matrix material, forming a groove in the matrix-material layer using a laser to remove material from the layer of matrix material in the form of a groove, and placing a reinforcement into the groove. Preferably, the surface of the layer of matrix material is smoothed with a laser beam prior to formation of the groove. In most instances, more than one layer is desired, and the steps of furnishing, forming, and placing are repeated, using the same or different materials, to build up a multilayer composite material. Cylindrical, flat, or curved panel composite materials can be readily prepared, using metal, intermetallic, or ceramic materials for the matrix.

Abstract: A method of forming high temperature resistant coatings from a quantity of composite particles, each comprising very small magnetic particles in a ceramic matrix by plasma spraying the composite particles onto a surface. Typically, the surface to be coated is pre-treated by a combination of solvent cleaning and abrasion, such as by grit blasting. In some cases the surface is coated with a thin electrically conductive transition layer having a coefficient of thermal expansion intermediate those of the surface and the composite coating. A quantity of finely divided composite particles are then prepared, each of the particles comprising a ceramic matrix containing plural spaced very small magnetic metal particles. In some cases, a small quantity of smaller pure matrix particles or lower melting particles are mixed with the composite particles to improve bonding.

Abstract: An apparatus for washing and cleaning metallic wheels comprising an apparatus that washes a metallic wheel, and an apparatus that subsequently cleans the washed metallic wheel. A house is provided wherein the cleaned and washed metallic wheel may be painted. A pair of rotating transport cylinders is provided in order to transport the metallic wheel from the apparatus for washing the metallic wheel to the apparatus for cleaning the metallic wheel, and subsequently from the apparatus for cleaning the metallic wheel to the house where the metallic wheel may be painted. A method for washing and cleaning a metallic wheel which includes elevating the metallic wheel from a supporting surface to a level generally horizontal to a pair of cylinders rotatably supported by a conveying frame, and rolling the metallic wheel across the pair of cylinders and into a washing chamber.

Abstract: A method of producing extruded ceramic products by extruding a ceramic forming material through an extruding opening, includes a step of coating a liquid, which is nonvolatile at ordinary room temperatures, on a surface of an extruded ceramic product. The liquid is preferably coated on the surface with the aid of capillary action. An apparatus for producing extruded ceramic products includes a forward end portion having an extruding opening for extruding a ceramic forming material and a guide passage for introducing the ceramic forming material into the extruding opening, a liquid supply section provided on the forward end portion for supplying a liquid, which is nonvolatile at ordinary room temperatures, to an outer surface of a product of the ceramic forming material extruded from the extruding opening, and a liquid supply device for supplying the liquid to the liquid supply section.

Abstract: A coated roller for transportation and stretching of plastic film web during load unitization, and a process for preparation of the coated roller. A cylindrical metallic roller core is pitted by blasting, then primed, heated and immersed in a room-temperature liquid plastisol comprising vinyl particles dissolved in a plasticizer. The plastisol accumulates on the hot metal to a depth determined by immersion time. After removal, curing and cooling the coated core is machined by lathe to expose a cellular infrastructure and achieve a cylindrical coating coaxial with the core. The coated roller exhibits superior durability, resistance to tackifier additive buildup, and resistance to circumferential web slippage during web stretch between two rollers in a film path from a supply roll to a load being wrapped.

Abstract: Carbonaceous films are coated on a surface by chemical vapor reation. In advance of the deposition of carbonaceous film, a silicon nitride film as coated on the surface to prevent interdiffusion between the carbonaceous film and the underlying surface.

Abstract: A method and apparatus for automatically grit blasting and metal spraying a wall of a cylindrical vessel utilizing a pair of rails with arms slidably disposed thereon, which rotate 180.degree. in unison about the axis of the vessel and then reverse and are moved incrementally along the rails upon completion of each 180.degree. of rotation until the wall of the vessel is grit blasted by a grit blasting nozzle on each arm and then sprayed with multiple thin layers of molten metal by a molten metal sprayer on each arm. The grit blasting nozzle and molten metal sprayer may be interchangeably mounted on the arms or may be both installed and operated separately.

Abstract: Disks for heavy grinding are made by stamping uncoated backing material to provide a plurality of interconnected disk shapes. The shapes are notched or weakened for separation. The interconnected shapes are then covered with abrasive embedded in adhesive.

Abstract: Two methods are provided for applying and forming a protective composite coating on a metallic substrate. In the first method, the substrate is heated to a temperature between about 175.degree. C. and 275.degree. C. and a powdered coating of epoxy resin between 100 and 400 microns thick is applied to the outer surface of the heated substrate. A premixed powder coating of epoxy resin and polyolefin is applied directly onto the epoxy resin coating, forming an interlayer of interspersed domains of epoxy and polyolefin between about 100 and 400 microns in thickness. On to this, powdered polyolefin is sprayed to produce a polyolefin sheath coating for the metallic substrate between 200 and 1000 microns in thickness. In the second embodiment of the method, the interlayer is formed by spraying pure epoxy resin powder and polyolefin powder from separate sources simultaneously onto the substrate. By these methods, a metallic substrate coated with a composite epoxy/polyolefin protective coating is produced.

Abstract: A method of manufacturing a plunger for a downhole reciprocating oil well pump for use in sandy environments including the step of machining a metal plunger to the required base configuration with an external cylindrical pump surface having a diameter of about 0.025 inches less than the design diameter, grit blasting the plunger cylindrical pump surface to achieve a textured surface thereon, heating the plunger, flame spraying a thin layer of ceramic composite on the plunger cylindrical pump surface, repeating the flame spraying steps sequentially until the diameter of the cylindrical pump surface having the ceramic composite thereon is about 0.015 to 0.020 inches above the design diameter, cooling the plunger and grinding the ceramic covered plunger pump surface to the design diameter.

Abstract: A method of applying a thermal barrier coat on an exposed side of a porous metal laminate which method includes the steps of spreading on the laminate an air-curable maskant to force maskant into the perforations in the exposed side, removing excess maskant from the exposed side so that maskant plugs remain in the perforations with tops generally coplanar with the exposed side, allowing the maskant to cure, directing sprays of bond coat and top coat incompatible with the maskant at the exposed side of the porous laminate to deposit a thermal barrier coat thereon but not on the maskant plugs, and removing the maskant plugs by thermal and chemical treatment or by chemical treatment alone.

Abstract: A mechanical process for preventing the fouling of metalic objects such as ship propellers, hulls and other types of hardware exposed to seawater by application on the exposed surface of a ceramic coating. The coating is applied by thermal spraying. The ceramic coating is formulated to have sufficient hardness to prevent encrustation of barnacles, tube worms and other parasites, but retains enough malleability to prevent brittleness and to provide sufficient resistance to impacts.

Abstract: The present invention relates to a method for producing a photoreceptor for electrophotography. An aluminum base substrate is worked so that the R.sub.max is between 1.3 and 1.8 microns, with a filtered maximum waviness not exceeding 0.5 microns. The substrate is etched with an aqueous solution of alkali, and then etched with an aqueous solution of nitric acid to form an oxide thin film. A Se-As alloy is vacuum deposited thereon to form a light sensitive layer. This photoreceptor is flat and smooth so that the images obtained by electrophotography are substantially free from white point defects.

Abstract: A process for producing a ceramic honeycomb extrusion die including at least ceramic material feed holes and forming channels. The process includes the steps of preparing a ceramic honeycomb extrusion die base body having a given size by machining, detecting differences in extruding speeds of a ceramic material extruded through the forming channels, sealing of openings of the ceramic material feed holes corresponding to the forming channels having greater extruding speeds of the ceramic material based on the detected differences, feeding the ceramic material through the ceramic material feed holes corresponding to the forming channels having smaller extruding speeds of the ceramic material, and repeating the preceding steps number of times necessary for adjusting and substantially making uniform flow resistance of all ceramic material flow paths of the entire die. The ceramic material flow paths are constituted by the ceramic material feed holes and the forming channels.

Abstract: Process and apparatus for forming a plastic coating on a metal strip. A metal strip is cleaned, surface treated, coated with an electrostatically charged plastic powder in an enclosed chamber using a plurality of spray guns positioned on both sides of the strip, inductively heated to above the melting point of the powder, and maintained in an infrared heater until the fused powder is flowed into a coating having a smooth surface and a uniform thickness. Thermoplastic and thermosetting coatings, having thicknesses of at least 10 microns formed using total induction and infrared heating times of less than 60 seconds, can be fabricated without cracking.

Abstract: A process for producing a galvanized perforated steel sheet material is described. A fully processed, unfinished sheet steel material is perforated to provide an area or areas of holes therein. The sheet material is then temper rolled to force any burrs formed during the perforation process back into the web of the material. The perforated sheet material is then galvanized. The galvanized perforated sheet material may then be roll painted without damage to the painting rolls.

Abstract: A process for the production of an open metal mesh the surfaces of which are coated with a coating of an electrocatalytically-active material, the process comprising forming a plurality of slits in a sheet of metal, applying a coating of an electrocatalytically-active material to the slit sheet, and stretching the coated sheet to expand the sheet and form the open mesh. The mesh is suitable for use as an anode in cathodic protection of steel-containing structures, for example, steel-reinforced concrete structures.

Abstract: Surfaces of a structure are treated from a walkway within an enclosure suspended from the structure. The enclosure has a downwardly-converging cross section terminating in a vacuum conveyor for collecting and removing particles accumulating from the blasting process. The enclosure is preferably provided in modules. The vacuum conveyor removes the particulate material for transfer to conventional separating and re-cycling equipment. the enclosure and walkway are moveably suspended from transverse guideways secured to the structure.

Abstract: A magnetic disk is rotated while a tape of initially abrasive free permeable cloth tape is fed around a roller in engagement with a radial region of the disk surface. A slurry with free abrasive particles is applied to the tape prior to engagement of the tape with the disk. The roller is radially oscillated and the oscillation frequency is related to the disk rotation speed to abrade grooves in the disk surface in a pattern in which grooves vary from the circumferential direction by no more than a maximum angle of 5 to 45, preferably 8, degrees. The slurry application is halted and a rinse liquid is applied to the disk surface while the feeding of clean tape continues. Thin film layers including a magnetic medium are deposited on the abraded disk surface. The groove pattern may be abraded on the entire magnetizable area of the disk surface or may be restricted to the head landing area.

Abstract: There is disclosed a method of making a roofing ply by providing a fiberglass mat, feeding the mat through a punching die and punching openings through the surface thereof. The mat is thereafter saturated with melted asphalt at a melting temperature of at least about 450 degrees F to impart an elastic memory to the mat.

Abstract: The invention discloses a coated substrate product comprises of a titanium or titanium alloy substrate, at least one thin interlayer composed of a non-reactive noble metal and a hard outer coating selected from the group comprised of a ceramic, hard metal, a hard metal compound and a diamond-like carbon, wherein at least the non-reactive noble metal interlayer which is immediately adjacent to the titanium or titanium alloy substrate is deposited onto the substrate by means of an electroless plating procedure, and the hard outer coating is deposited onto the non-reactive interlayer(s) by means of known chemical and physical vapor deposition techniques. The invention also discloses a method for making these coated substrate products.

Abstract: The present process results in a surface which is impermeable and resistant to the action of chemical substances and heat. Natural stones such as marble, travertine, granite and structural and ornamental works made out of these stones are protected from atmospheric and chemical process of degradation by a novel method of sanding down the surface with an industrial diamond abrasive to open up the pores of these solids; rinsing with water, removing water with a chemical solvent and wiping with a tack cloth to remove microchips. A protective mixture in the form of a moisture-cured polyurethane is then applied to the surface of the stones. The moisture-cured polyurethane acts as a sealant for the pores of the stones and as a chemical polish on the surface of the stones, such sealant being impermeable and resistant to the action of stains produced by chemical substances.

Abstract: An output scanner exposure cylinder perforated to allow exposure film to be held on to the cylinder by vacuum comprises a metal substrate carrying a coating of cured black resin composition which has been machined to e.g., a thickness of 0.1 to 1.5 mm. The resin is usually an epoxy resin and is applied as a powder and cured by heating.

Abstract: Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl cellosolve, oleic acid. Preferred phosphating is to a thickness of 2,000-3,000 mg Zn phosphate/square foot. This coating passes 240-plus hours in 5% salt spray (ASTM B-117) and resists wash off with car wash soap.

Abstract: An article and process for the formation and molding of articles such as gaskets from useful areas of a flat textile panel. This panel is divisible into useful areas possessing textile reinforcement inlay threads in greater thickness and density than in the majority of the areas of the panel remaining outside the useful areas. The textile panel is produced from a ground pattern with the reinforcement threads inlaid thereinto. The useful areas are separated from the textile panel and embedding material is embedded onto the appropriate useful areas corresponding to the articles before or after the separation of the articles.

Abstract: Disclosed is a substrate for a magnetic disk, which comprises a ceramic substrate formed by subjecting a ceramic molded body to hot isostatic pressing in an inert atmosphere and subsequently to polishing treatment. In this magnetic disk substrate, the number of void defects is greatly reduced, and the substrate per se is excellent in the heat resistance and deformation resistance. If this substrate is used, there is provided a magnetic recording disk of a high reliability where recording can be performed at a high density with precise writing and reading.

Abstract: For the reactive deposition of tubular bodies of electrically conductive material from a flowing gas phase on a tubular substrate, a glow discharge 11 is produced between an inner electrode 6 and an outer electrode 2, one of which is constructed so as to be tubular and serves as a substrate. It is ensured that the electrodes 2, 6 are not short-circuited by growing conductive surface layers so that the glow discharge 11 extinguishes. Furthermore, the electrically conductive coating on the electrode 6 which does not function as the substrate electrode is interrupted in an insulating manner to locally limit the glow discharge 11. For example, by a gas barrier the deposit of an electrically conducting material on the insulation can be avoided. The glow discharge 11 is reciprocated during the deposition process.

Abstract: A fabric pressing device has a composite sole plate with a base component of metal or similar thermally conductive material that is coupled to the heat source of the pressing iron, and a layer of ceramic bonded to the base component. The ceramic layer has a planar fabric pressing surface that preferably has a smoothness of at least about a nominal two micrometers surface roughness. That ceramic surface is highly resistant to wear and to impact, is easy to clean, and has excellent dynamic and static frictional characteristics on textile fabrics.

Abstract: A magnetic disk or like magnetic recording medium having a magnetic layer provided on a non-magnetic substrate by dry-process or wet-process plating means and allowing a head to write and read data thereinto and thereoutof, and a method or producing such a recording medium. Scratch marks are formed on the surface of a non-magnetic thin layer, which is provided on the substrate, at a predetermined pitch and a predetermined depth in a particular direction which is substantially aligned with a direction in which the head writes data. A magnetic layer is deposited on the scratched surface of the non-magnetic layer. The pitch is less than about 50 microns, preferably about 0.1 to 10 microns, while the depth is about 0.002 to 0.1 microns in terms of center line mean roughness.

Abstract: Decorative panels are prepared employing a support of a transparent material having one of its faces dulled to enhance adhesion of a lacquer thereon. The processes also include applying a layer of a volatile liquid carrier containing metal and/or metal oxide particles. Also applied is a lacquer that is not miscible with the volatile liquid carrier. In one of the embodiments, the liquid carrier thrusts back the lacquer forming holes in the lacquer to reach the dulled surface of the support and adhere thereto. In the resultant panel, the particles are visible through the thickness of the transparent support at locations corresponding to the holes in the lacquer.

Abstract: A minute color coded identifier having a longitudinal axis, which is transversely color banded about its periphery. The identifier may, for example, be 0.015 inch long, have a transverse dimension of about 0.004 inch and have seven or more color bands such as to be observable under a power of 10 or more magnification. A method of making such identifiers, as well as a method of applying the same to articles for later identification is disclosed that involves a dispersion of identifiers in a transparent and hardenable cementitious liquid such as nitrocellulose in a suitable volatile solvent such as acetone and ethyl acetate, e.g. a common clear fingernail polish.

Abstract: There is disclosed a method of and apparatus for producing a wear-resistant coating on a thin metallic strip, for example for the manufacture of coating scrapers for paper webs. After preparatory surface treatment the strip is passed longitudinally through a coating zone in which coating material in a molten state is sprayed onto the strip by a coating unit as the strip passes. The wear-resistant coating is built up in steps by the application of several coating layers one on top of the other, each being applied during a respective pass of the strip through the coating zone. The strip speed and the capacity of the coating unit are adjusted in relation to each other so that the heat supplied to the carrier material by each coating layer applied will be so slight in relation to the thermal capacity of the carrier material that the temperature increase in the carrier material does not cause any change in the physical properties of the carrier material.

Abstract: A method for providing corrosion protection with the use of a corrosion protection product for protecting an outer covering on a metal body from corrosive undermining. The corrosion protection product is an inner protective material used in connection with a metal body having an outer surface, pores communicating with the outer surface, and a covering of outer protective material that is bonded to the outer surface and bridges over the pores. The inner protective material is a liquid medium, preferably oil, which is substantially impervious to atmospheric corrosive agents, having therein a suspension of finely divided particulate material, preferably paint pigment. The inner protective material is introduced into the pores, and any of the inner protective material that may remain on the outer surface is selectively removed, leaving bodies of the inner protective material in the pores.

Abstract: The microscopic pores, cavities and crevices of the strings and the interstices of a wound string are filled with dry lubricant particles using a moisture displacing agent and rust inhibitor as a carrier for the dry lubricant. This provides lubrication and inhibits corrosion, thus shortening initial break in periods and extending string life.

Abstract: Decorative tiles which may be bonded to the surfaces of columns and walls of a building are provided and a method for manufacturing the same is also disclosed. One surface of a tile blank made of a refractory material such as ceramic is coated with a metal layer by a metal spraying process so that a decorative tile looks gorgeous and even when a decorative tile is directly bonded to a concrete wall, it is not attacked or corroded.

Abstract: A method of preparing a mold surface for forming a pattern on a molded article includes masking the mold surface, sandblasting the exposed surface of the mold, cleaning the mold surface and then depositing a metal layer on the mold surface to provide a metal coated mold surface having areas of altered surface texture corresponding to the pattern. The mold is then used to bond a resin coating to a masonry unit to provide a decorative surface pattern to the exterior molded surface of the resulting composite masonry unit.

Abstract: A process is provided for cleaning a substrate and providing it with a durable corrosion protecting coating by subjecting a part of the substrate to a blasting treatment and simultaneously hitting the same part of the substrate by a stream of a film forming binder. Structures in a marine environment can thus be provided with a durable coating in one combined operation of cleaning and coating. The invention also relates to the substrate thus obtained.

Abstract: A method of manufacturing a thin layer detector for integrating solid state dosimeters, in particular for thermoluminescence dosimeters (TLD's), from thermoluminescent powder material, comprising the simultaneous application of high pressure and elevated temperature to the powder layer at selected values (working point) sufficient to cause physico-chemical bonding of the layer with a suitably prepared substrate by plastic flow of the powder grains.

Abstract: A method of adding fine line circuits to a thick film microcircuit comprising the steps of: cutting a circuit pattern on a substrate; filling the circuit pattern with a conductive or resistive paste and removing the excess; adding screen printing thick film circuit elements on the substrate surface and over selected portions of the fine line pattern; and heating thereby sintering the paste and thick film elements to the substrate.

Abstract: The method of forming fine line circuit patterns on an insulating coating comprising the steps of applying an insulating coating to a substrate, forming a circuit pattern on the insulating coating surface, filling the circuit pattern with conductive or resistive circuit paste, removing the excess and heating at a temperature for sintering the paste to the coating.

Abstract: The process for producing a prepreg of a glass fiber cloth according to the present invention is characterized by heat-treating the inner portions of the selvages of the glass fiber cloth to remove the residual stress of glass fibers in the glass fiber cloth, coating the heat-treated portions of the glass fiber cloth with a solution of a saturated polyester type resin of 150.degree. to 180.degree. C. softening point insoluble in a thermosetting resin varnish to be later used for impregnation so that the amount coated becomes 4 to 10% by weight as resin based on the weight of the portions of glass fiber cloth coated, drying the resulging glass fiber cloth, removing the selvage portions of the glass fiber cloth by cutting, impregnating the selvages-removed glass fiber cloth with the above mentioned thermosetting resin varnish, and drying the impregnated glass fiber cloth.

Abstract: A semi-conducting, stable polychelate coating is manufactured in situ on a conducting substrate providing metal coordination centers, by carrying out a controlled chelating reaction and thermal treatment on the substrate surface with a predetermined specific amount (X.sub.o) of tetranitrile compound per unit substrate area. The temperature and duration as well as this specific amount (X.sub.o) are selected from given ranges to form a uniform polychelate coatingbonded to the substrate surface.Titanium electrodes are provided with such polychelate coatings for different purposes. Electrodes with other metal substrates are further provided with such polychelate coatings.

Abstract: The surfaces of threads, sealing surfaces, and other load-bearing surfaces of oil field tubes or the like are treated by blasting surfaces to increase the roughness thereof to obtain a roughness of an average depth of from 7 to 15 micrometers under utilization of corundum or silicon carbide at a grain size of from 40 micrometers to 200 micrometers; a resin varnish is deposited onto the blasted surface for curing at higher than room temperature and including molybdenum sulfide at a layer thickness of from 5 to 20 micrometers. The varnish is cured in situ by heating.

Abstract: A liquid penetrable material such as a compactible gasket material is coated with a liquid dispersion of polymer or polymers, by first preheating the liquid penetrable material to a temperature sufficient to prevent any substantial penetration of liquid into the material when the material at the preheated temperature is coated with the liquid dispersion of polymer or polymers. The preheated material is then coated with the liquid dispersion of polymer or polymers in an amount sufficient to form a fluid-impermeable barrier over the material and the coated material is supported on a plurality of support members through a drying section until the coating is in a tack-free condition. After drying the material to a tack-free condition, it is supported on a conveyor through a curing station to cure the coating. Thereafter the material is delivered by suitable conveyors to an inspection and packaging station, but may be passed en route through another coating station, this time to receive a suitable release coating.

Abstract: A method for producing stratification mass for the production of top surfacing layers particularly through dipping, painting, filling or spraying on a carrier (especially for friction/slide layers of bearing laminates having metallic base members) of a matrix foundation substance of fluoride-held polymers which has admixed metal or metal-alloy particles and/or additive material with friction and/or slide-improving characteristics. The applied layer material is subjected to heat to melt the same, and the layer is then cooled and pressed. The synthetic substance of the matrix can contain a primer, such as chromium oxide.

Abstract: The surfaces of aluminum and aluminum alloy articles, when abraded with a low-density abrasive product in the presence of a lower alcohol such as isopropanol, are readily plated or coated to provide a uniform plating or coating. The process is particularly useful in providing aluminum-silicon brazing alloy with nickel or nickel-lead plating for brazing.

Abstract: A preform made of carbon, and especially electrical graphite (electro-graphite), is given a protective coating of pyrolytic graphite which, in turn, is activated by further coating with a carbon with a very low degree of orientation (soot) or by roughening. The process of activation reduces the effect of the sample to be analysed, while the protective effect of the pyrolytic graphite coating is preserved.

Abstract: The method of providing on location a vitreous enamel bathtub with traction means in a predetermined pattern comprising the steps of:(a) cleaning the vitreous enamel surface;(b) securing a stencil having cutouts therein to the bottom of the tub and, in the stencil cutouts;(c) removing the glaze by etching with acid, scrubbing and sanding;(d) rewashing the cutouts;(e) applying an enamel coat;(f) sprinkling on silica sand;(g) top coating with enamel; p0 (h) removing the stencil;(i) curing the resulting traction means with heat; and(j) removing any excess sand.

Abstract: A method of repairing damage to a porous refractory material coated with a glass coating (16) comprising applying hydrolyzed tetraethyl orthosilicate to the damaged area, curing said tetraethyl orthosilicate, applying to said damaged area a pliable filler (30) comprised of hydrolyzed tetraethyl orthosilicate and powdered refractory substrate (11) and heating the damaged area to cure filler (30).

Abstract: The invention relates to a method of forming a metal-resin bond in the presence of environmental contamination of the metal surface by, for example, adsorbed water. The method consists of cleaning the metal surface and then coating it with a pre-treatment material adapted to displace the adsorbed contaminant and to be displaced in turn by the applied resin. The method is particularly relevant to the formation of steel/epoxy resin bonds underwater for the repair of submerged structures. The pre-treatment material may consist of a hydrocarbon solvent containing in solution a surfactant such as an ionic surfactant together with a viscous hydrocarbon such as petroleum jelly.