Abstract: A membrane-coated substrate and method for forming the membrane coating on the substrate that involves providing a porous inorganic monolithic substrate having one or more through channels having inner surfaces, providing solid polymeric film fusible to the substrate, and joining the film to the substrate by applying the film in a softened state to those inner surfaces and applying pressure thereto, so that the film fuses to and coats the inner surfaces of the channels. A workstream is modified by passing it through the membrane-coated substrate to cause modification of the workstream by the membrane coating.

Abstract: A magnetic conveyor system for transporting ferro-magnetic cans through an immersion or electro-immersion coating bath includes a magnetic infeed conveyor for transporting the cans toward an inlet end of the coating bath, a magnetic coating conveyor for removing the cans from the infeed conveyor and transporting them through the coating bath, and a magnetic outfeed conveyor for removing the cans from the coating conveyor at an outlet end of the coating bath. The magnetic coating conveyor includes an endless conveyor belt which defines inclined inlet and outlet runs relative to a surface of the coating bath. The cans are transported on the conveyor belt with a closed bottom of each can magnetically held to the conveyor belt and an open top of each can facing outwardly from the belt. The cans are transported into the coating bath at the inlet run with the closed bottom of each can entering the bath before the open top.

Abstract: A method and apparatus for treating the production tubing string of a flowing gas well is disclosed. The method includes introducing treatment fluid into the wellhead end of the production tubing string, allowing an applicator fall through the production tubing string thus applying a first coating of treatment fluid and retracting the applicator thus applying a second coating of the treatment fluid.

Abstract: A cylindrical member having a center bore is disposed in a vacuum vessel provided with a gas inlet port and a gas outlet port, and an auxiliary electrode is inserted into the center bore of the cylindrical member along the central axis thereof so as to extend to substantially an entire length of the center bore, thereby permitting the auxiliary electrode to be grounded or having a positive DC voltage applied to the auxiliary electrode. A gas containing carbon is supplied into the vacuum vessel through the gas inlet port after the vacuum vessel is evacuated and a voltage is applied to the cylindrical member to produce a plasma in the vacuum vessel including an inside of the center bore of the cylindrical member, thereby forming a hard carbon film over the inner surface of the cylindrical member by a plasma CVD process.

Abstract: A method and apparatus for minimizing excess aluminum deposition that can build up inside a substrate processing chamber during an aluminum CVD substrate processing operation. The method of the present invention periodically introduces nitrogen into the processing chamber after aluminum CVD processing of at least a single wafer in order to minimize unwanted aluminum accumulation in various parts of the chamber. According to one embodiment, the present invention provides a method of minimizing excess metal deposition inside a substrate processing chamber after a substrate processing operation. The method includes the steps of introducing a nitrogen-containing passivating gas into a chamber after the substrate processing operation, and maintaining at least a portion of the chamber at a second temperature during the introducing step thereby reducing excess metal build up within the chamber. In preferred embodiments, the method is performed after removal of the substrate from the processing chamber.

Abstract: Methods of lining the internal surface of a pipe, include first inserting two lining pigs into the pipe and then introducing a batch of resin thereinto, or inserting one lining pig between two batches of a resin, or first inserting a lining pig and then inserting two batches of a resin with another lining pig therebetween, or first introducing a lining pig made of a soft material capable of deforming so as to pass through a narrow-passing section and then introducing a batch of a resin into the pipe, causing the resin to move forward until the front end of the resin reaches an inner end of the pipe, and sucking the resin back from the inner end so as to line the internal surface of the pipe with the resin. The methods use improved liquid blocking pigs for use in pipe lining treatment, each of such pigs includes a spherical body made of a soft resilient material and at least one flexible liquid barrier diaphragm interposed in the spherical body.

Abstract: A foundation for masts, posts, pillars, etc., wherein the foundation has a foundation tube (3) which is lowered into a pre-drilled hole (2) in the ground (1), where the pre-drilled hole has a diameter larger than the diameter of the tube (3) and where at least the space between tube (3) and ground (1) is filled with a casting mixture (8), e.g. concrete, a tube (3) is used which is designed with perforations (4) in its lower area. The foundation tube (3) is equipped with a coating which gives the tube protection against corrosion, and possibly also an electrical insulation. The coatings can have a rough surface in order to create the best possible adhesion to the casting mixture. In order to ensure that the coated foundation tube (3) is safely lowered into the hole, it is first lined with a casing (13), which is removed during or immediately after the casting.

Abstract: A method of inhibiting deposition of material on a wall of a chemical vapor deposition reactor includes providing a chemical vapor deposition reactor having a wall which has an inside facing surface, the inside facing surface at least partially defining a chemical vapor deposition reactor chamber; forming a first material atop the inside facing surface; positioning a substrate in the chemical vapor deposition reactor chamber, the substrate having an outer surface; and chemical vapor depositing a second material layer on the substrate in a manner which is selective to the substrate outer surface, and not the first material, thereby restricting deposition of the second layer on the reactor inside facing surface.

Abstract: The present invention relates to a composition for coating internal surfaces of an airfoil, particular high pressure temperature airfoils such as vanes and blades. The composition includes a dry composition consisting essentially of from about 2.5 wt % to about 7.0 wt % aluminum fluoride, from about 5.0 wt % to about 20 wt % of a chromium-aluminum powder, and from about 75 wt % to about 92.5 wt % Al.sub.2 O.sub.3. The dry composition is mixed with water and a cellulose compound to form a slurry which is thereafter injected into the airfoil. The coating compositions of the present invention are valuable in that they are capable of forming an oxidation and corrosion resistant coating on the internal surfaces of the airfoil simultaneously with the formation of an exterior corrosion and oxidation resistant coating. A process for simultaneously forming corrosion and oxidation resistant coatings on the interior and exterior surfaces of an airfoil is described herein.

Abstract: Coating for the tube beds and heat exchanger coolant tubes extending from them, especially steam condensers, based on hardening plastic mixtures, obtainable by cleaning the surfaces provided for coating using an abrasive; closing the tube inlets and outlets with removable plugs; applying at least one layer of a hardening plastic coating on the tube bed; allowing the coating to harden so that additional mechanical processing can ensue, and processing the surface; removing the plugs from the tube inlets and outlets as well as applying at least one layer of a hardening plastic coating at least in the inlet area of the coolant tube, and allowing it to harden, coating of the coolant tubes by timed applications being done reactively to the tube bed coating and the coolant tube coating exhibiting in comparison to the tube bed coating a greater elasticity having an elongation at tear at least 2% greater in accordance with DIN 53152 with respect to the elongation at tear of the tube bed coating, and process for coatin

Abstract: A method and apparatus for deflecting a liquid or powder stream during dispensing with a plurality of independently actuatable flows. A gun has a nozzle with an orifice for dispensing a stream. Blowout ports surround the orifice and are aimed at the flow path of the stream, just beyond the end of the gun. The blowout ports are connected via conduits to a pressurized source. A timer actuates solenoid valves to control liquid or powder dispensing through the orifice and flows from the blowout ports. By coordinating liquid or powder dispensing with the directional flows, the stream may be deflected to achieve a desired dot or spray distribution pattern on a substrate or uniform spray coating of the inside surface of a can. Additionally, protective structure may be added to the end of the gun nozzle to eliminate the adverse effects typically caused by accumulation of some deflected liquid at the end of the gun nozzle.

Abstract: The cylinder running surfaces of an internal combustion engine are treated with pretreatment and coating baths by using flush-in devices (5, 11) with lances insertable into the cylinder bores (1'). The flush-in devices (5, 11) can be successively connected via manifold devices (10, 12) with reservoirs (V.sub.1 to V.sub.5 ; B.sub.1 to B.sub.3) for different bath liquors. Thus, each flush-in device (5, 11) serves for the successive introduction of different bath liquors into the cylinder bores (1').

Abstract: Patent for "PROCESS AND EQUIPMENT FOR THE SIMULTANEOUS RECOVERY OF TWO PIPES OR TUBES WITH A HIGH DEGREE OF OBSTRUCTION", with the said process consisting of recovering each of the said obstructed pipes or tubes by means of a jet of compressed air flowing with a spiral motion from one of the extremities of each of the said pipes or tubes, with water first being added to the said jet in order to increase the passage of the air; with the said water then being followed by a cleaning solution, a volatile liquid, or another equivalent product, along with an abrasive material consisting of crushed rock or gravel, or a similar substance, in order to clean the said pipe or tube; after which an epoxy resin paint or another type of coating is added, which coats all of the inner wall of the pipe or tube, as a result of the pressure applied by the said jet of compressed air.

Abstract: A rotating gate feeder (1) for feeding substantially particulate material comprises a housing (2) and a rotor (3) and also an end cap (8) at each end of the housing. The invention is characterized in that a wear-resistant coating (6) is cast directly on to the inner wall (14) of the housing which faces towards the rotor (3). The inner wall (14) of the housing functions as an outer mold and a purpose-adapted core (15) is used as an inner mold. The housing (2) may be provided at certain points with release zones on the inner walls (14) which face towards the cast wear-resistant coating (6). One or more wear members (12) having greater wear resistance than the molding compound may be embedded therein.

Abstract: A flexible sheathing tube suitable for encasing an elongated flexible body like a flexible insertion rod of an endoscope or other insertion type examination instrument, and a method for fabrication of such sheathing tubes. The flexible sheathing tube being of the type is basically provided with a flexible base structure having at least an open helical coil member of a cylindrical shape, a protective mesh sleeve fitted on the helical coil member, and an insulating outer coating layer formed on the protective mesh sleeve. The sheathing tube is further provided with an inner coat layer of a resilient material formed on the inner side of the helical coil member in such a manner as to cover the inner periphery of the helical coil member completely, filling in gap spaces between open helices of the coil member.

Abstract: Various types of articles having various deposition coatings applied using a gas vapor deposition process are provided. A system evacuates gases from the article or a deposition chamber prior to depositing a coating. The coating may be applied throughout the inside of an article or may be selectively applied to a portion of the article. The article may be moved relative to the gas jet or the gas may be moved jet relative to the article. Stencils may be used to pattern the coating on the surface of the article. The articles are coated in a pressure of approximately 5 millitorr. Articles may be cylindrically shaped, leadframes on a reel, substrates, or printed circuit boards.

Abstract: Hydrogen peroxide or a hydrogen peroxide producing agent is added to a water system having copper or copper alloy such as a thermal storage water system or a closed water system whereby the concentration of hydrogen peroxide in the circulating water becomes 1 to 200 mgH.sub.2 O.sub.2 /L. Hydrogen peroxide produces oxygen and oxygen works microbes directly so as to remove the microbial fouling and thus prevent the pitting corrosion in copper or its alloy due to microbial contamination.

Abstract: A process and apparatus for internally and externally coating enclosed structures with polymeric materials are provided. In general, the process includes loading a polymeric material into the interior of an enclosed structure. The enclosed structure is then heated and rotated until a polymeric lining is formed within the structure. A second coat of polymeric material may be applied to the exterior surface of the enclosed structure while the enclosed structure is at a temperature sufficient to melt the polymeric material. The enclosed structure can include tanks, drums, barrels, pipes, and the like. In one embodiment, an apparatus having a plurality of arms is used to rotate the enclosed structures between stations corresponding to different steps in the process. The apparatus can include a cooling system for cooling the arms during operation.

Abstract: There are provided methods of lining the internal surface of a pipe, which includes first inserting two lining pigs into the pipe and then introducing a batch of resin thereinto, or inserting one lining pig between two batches of a resin, or first inserting a lining pig and then inserting two batches of a resin with another lining pig therebetween, or first introducing a lining pig made of a soft material capable of deforming so as to pass through a narrow-passing section and then introducing a batch of a resin into the pipe, causing the resin to move forward until the front end of the resin reaches an inner end of the pipe, and sucking the resin back from the inner end so as to line the internal surface of the pipe with the resin. There are also provided improved liquid blocking pigs for use in pipe lining treatment, each of such pigs comprises a spherical body made of a soft resilient material and a least one flexible liquid barrier diaphragm interposed in the spherical body.

Abstract: A method of application of finning preventive agent in an apparatus for casting anodes for electrolyzing copper by pouring molten copper into the molds, in which the inner planes of the molds can be coated with the finning preventive agent in a reliable and efficient manner, is provided. Before pouring molten copper into the molds, silicon oil is automatically applied to the inner planes 2a.sub.1 to 2a.sub.10 of the molds M dividedly in three applications by industrial robots 24, 25 of a vertical multi-articulate type having brushes 30. An amount of silicon oil consumed is 4 to 10 cc for one mold.

Abstract: A method is disclosed to deposit aluminum coatings on high temperature superalloys for corrosion, oxidation, and erosion protection using low temperature chemical vapor deposition and an organometallic halide precursor, specifically an aluminum alkyl halide. The process is adapted to protective coatings for turbine parts having internal passages. Due to the lower temperatures used during chemical vapor deposition, a broad range of substrate materials can be utilized. The precursor vapors clean the substrate surfaces by removing native oxides while simultaneously depositing aluminum.

Abstract: A method for producing a container, such as for example a can or tube, for the accommodation of a filling material, wherein after production of the container, its interior is primed and wherein a coating is applied on the primer with a layer thickness of 30-70 um. A plastic, preferably made of a polyolefin or the like, is used as the coating.

Abstract: There are provided methods of lining the internal surface of a pipe, which includes first inserting two lining pigs into the pipe and then introducing a batch of resin thereinto, or inserting one lining pig between two batches of a resin, or first inserting a lining pig and then inserting two batches of a resin with another lining pig therebetween, or first introducing a lining pig made of a soft material capable of deforming so as to pass through a narrow-passing section and then introducing a batch of a resin into the pipe, causing the resin to move forward until the front end of the resin reaches an inner end of the pipe, and sucking the resin back from the inner end so as to line the internal surface of the pipe with the resin. There are also provided improved liquid blocking pigs for use in pipe lining treatment, each of such pigs comprises a spherical body made of a soft resilient material and a least one flexible liquid barrier diaphragm interposed in the spherical body.

Abstract: A method of manufacturing galvanized open or closed steel sections eliminates the steps of pickling and rinsing. The manufacturing process is modified in such a manner that shot blasting of both sides of a strip of substantially flat steel occurs prior to a forming step in the process. After the forming process, the formed section is immersed in a flux solution.

Abstract: A process is described to realize a film made of an adequate resinous material on the internal surface of metallic pipes, particularly those made of aluminium, to protect them and further allow for particular uses for which they could not be employed otherwise. These pipes are preferably applied in the hydrothermosanitary field.

Abstract: Corrosion by water of mild steel pipe is inhibited by the controlled addition of NaHCO.sub.3 to the water (containing calcium ions) in sufficient amounts to induce corrosion and form scale. The scale deposits on the pipe at the corrosion sites form a protective film thereon. The addition of the NaHCO.sub.3 is controlled by the use of corrosion electrode probes placed in the pipe.

Abstract: Carbon steel surfaces, particularly inside wall surfaces of steel pipelines, are treated with an organosilane coupling agent to improve the adhesion of epoxy, vinyl ester and similar polymer-type protective coatings to the surface. The organosilane coupling agent is applied to a cleaned steel surface in an aqueous and/or alcohol solution, the surface is dried to allow the organosilane to cure and the protective coating is then applied to the surface. Steel pipelines are coated in situ by cleaning the interior of the pipeline with hydrochloric acid, fresh water and a passivation agent such as phosphoric acid followed by pumping a slug of the organosilane coupling agent, in solution, through the pipeline between spaced apart pigs. The coupling agent is dried and a polymer coating is then applied by pumping a slug of the coating through the pipeline, also between two spaced apart pigs.

Abstract: A thermal barrier coating for superalloy turbine engine vanes and blades that are exposed to high temperature gas is disclosed. The coating includes a ceramic layer applied to an aluminide or MCrAlY bond coat by electron beam physical vapor deposition. The ceramic layer has a first portion having unstabilized porosity, a second portion, overlying the first portion, with stabilized porosity, and an outer portion wherein the pores are coated with a noble metal. The stabilized porosity portion along with the noble metal coating reduce the thermal conductivity of the ceramic layer. Stabilizing the porosity renders it more resistant to sintering densification at high temperatures.

Abstract: A method of preparing and coating cylindrical bore surfaces of an aluminum workpiece that comprises (a) inserting and rotationally reciprocally moving a plurality of honing elements against the bore surface with a pressure of at least 30 psi to effect a pattern of spiral overlapping abrasions on said surface, each element being constituted of multifaceted, irregular-shaped, abrasive particles (i.e., diamond or SiC) having a particle size of 30-1300 micrometers. The particles, when in contact with the surface, plow micro-sized, non-smooth and irregularly spaced grooves in the aluminum workpiece resulting in spiral peaks and valleys along the direction of movement of the particles, whereupon repeated reciprocation and rotation of the elements (i.e.

Abstract: A method of coating an interior surface of a metal tube with a coating material including the steps of filling the tube with a fluid degradable transport material containing a dispersion of the coating material, rotating the tube, and induction heating the tube to a fusion point of the coating material.

Abstract: A method for reforming hydrocarbons comprising coating portions of a reactor system with a material more resistant to carburization, reacting the material with metal oxides existing in the portions of the reactor system prior to coating, fixating or removing at least a portion of the oxide in the metal oxides, and reforming hydrocarbons in the reactor system under conditions of low sulfur.

Abstract: Cast iron pipe and other elongated hollow articles are lined with a cementitious mortar for certain applications, such as the transmission of potable water or sewage. To improve the resistance to attack from acids and to provide a crack and void spot free cement lining, a calcium alumina cement is used to line the article. A plasticizer such as fireclay is added to the calcium alumina cement prior to its application. The cement lined article is then coated with an asphaltic based coating and then cured in a high humidity environment.

Abstract: A method of delivering a substance into a material mass including the steps of measuring a quantity of a carrier fluid and a material to be delivered, mixing the carrier fluid and the material to be delivered, and subjecting the mixture to a magnetic influence for increasing a permeability and effectiveness thereof by affecting the organization of the molecules of the mixture. Finally the mixture is introduced to the material mass for penetrating therein and direct, substantial absorbing of the mixture by the material mass.

Abstract: Method of masking one or more extremities of a cylinder bore from internal thermal spraying, when using a rotary gun inserted from one end of the bore, by essentially the steps of: (a) supporting one or more inflatable mask members adjacent an end of the bore wall; (b) pressurizing the inflatable mask member to expand and annularly engage an end of the bore, the mask being constituted of an inflatable and collapsible air tight bag of heat resistant (fiberglass) cloth coated on opposite sides with a sacrificial heat resistant non-stick coating (silicone). The inflatable characteristic of the mask member allows it to conform to the periphery of the cylinder bore extremities, and allows it to be easily installed in or through the component in its deflated condition. The mask is reusable by being comprised of coating material that may gradually be sacrificed to heat and wear of the over spray.

Abstract: An automatic liquid lubricant application device for applying a liquid lubricant to the inside of a hole in a workpiece includes an applicator for insertion into the hole for application of the lubricant. The applicator includes a perforated tube surrounded by a sleeve of wicking material. A shoulder surrounding the applicator is sized to engage the workpiece on the marginal portions around the hole. The shoulder is mounted for limited axial movement when pressed against the workpiece. A fluid flow channel connected at one end to a source of lubricant is connected at the other end to the perforated tube. A flow control device for controlling the flow of lubricant in the channel is actuated by axial movement of the shoulder when engaging the workpiece.

Abstract: Optionally antimicrobial, hydrophilic coatings having reduced or low solids contents are provided. Such coatings are extremely useful for coating heat transfer surfaces of condensing heat exchangers to provide wetting and wicking and optionally to provide microbial growth inhibition where such coatings have improved coating properties and are, upon cure, less prone to cracking, flaking and particle generation.

Abstract: A method and an apparatus for coating tanks and pipe systems internally in that, first, a tank (1) is filled with a liquid (3) consisting of water to which is admixed an acid (10). Oxide coating on the internal surface is removed through heating and circulating the liquid (3) through a filter (4). The liquid (3) is neutralized through the admixture of a base (12). Approximately one fifth of the neutralized liquid (3) is drawn off, the tank (1) being refilled with a concentrated metal solution (15). The temperature, acidity and metal concentration of the liquid (3) are maintained close to constant through supplying heat, acid (10) or base or base (12), and concentrated metal solution (15), respectively. Air or vapor is supplied through a blowing pipe (5) and creates stirring, surplus liquid and gas being drained through a pipe (16). When the internal surface of the tank (1) has received a coating having the desired thickness, the process is interrupted in that the liquid (3) is cooled and drained.

Abstract: A process for providing aroma in a container for a product such as instant coffee. Empty, open-topped containers are conveyed one after the other to beneath an aroma spraying station which contains at least one spraying nozzle. Once an open-topped container is positioned substantially beneath a spraying nozzle, the spraying nozzle is activated and aroma is dispensed into the open top of the container while the open-topped container continues to be conveyed. The aroma is dispensed in the form of fine droplets to coat the inner side walls of the open-topped container. The spraying is then discontinued while the open-topped container is still beneath the spraying nozzle. The container may then be transferred to a filling station where product may be filled into the container. In this way, aroma may be incorporated into a product at production rates of 200 to 500 containers per minute.

Abstract: A method is disclosed to deposit aluminum and a metal oxide on substrates for improved corrosion, oxidation, and erosion protection. Low temperature chemical vapor deposition is used. A homogeneous biphase coating may be deposited, as well as layers of aluminum and metal oxides.

Abstract: A water-based coating composition that does not use an organic solvent is formed by dispersing a resin composition into an aqueous medium. The water-based coating composition has excellent stability over time. The coating film obtained from the composition has excellent retort resistance, adhesion to metals, processability and chemical resistance; and it can be cured at relatively low temperatures.

Abstract: Disclosed is a process for reducing volatile organic compound emissions during the processing and coating of articles contaminated with water insoluble contaminants. The process prevents the formation of undesired etching and pitting which increases the surface area of an article. The use of volatile organic compound-containing surface coatings is thereby reduced resulting in reduced volatile organic compound emissions. The process of the present invention includes contacting a surface with a terpene finishing agent to remove water insoluble contaminants from such surface and applying an amount of volatile organic compound-containing coating to effectively cover the surface at a desired coating thickness.

Abstract: A method is disclosed to deposit aluminum and platinum on substrates for improved corrosion, oxidation, and erosion protection. Low temperature chemical vapor deposition is used. A homogeneous biphase coating of aluminum and platinum may be deposited, as well as sequential layers of aluminum and platinum.

Abstract: A process is disclosed for pretreating aluminum-bearing surfaces in a vacuum deposition chamber after a previous step of cleaning the chamber, and prior to depositing tungsten silicide on substrates in the chamber, which first comprises treating the aluminum-bearing surfaces with a mixture of silane and a tungsten-bearing gas, such as WF.sub.6, to form a first deposition of a silane-based tungsten silicide on the aluminum-bearing surfaces. In a preferred embodiment, the process further comprises subsequently treating the already coated aluminum-bearing surfaces of the chamber in a second step with a mixture of a tungsten-bearing gas, such as WF.sub.6, and a chlorine-substituted silane such as dichlorosilane (SiH.sub.2 Cl.sub.2), monochlorosilane (SiH.sub.3 Cl), or trichlorosilane (SiHCl.sub.3) to form a chlorine-substituted silane-based tungsten silicide deposition over the previous deposited silane-based tungsten silicide.

Abstract: A process for passivating a metal surface to enhance the stability of a gas mixture containing one or more gaseous hydrides in low concentration in contact therewith, which comprises:a) purging gas in contact with said metal surface with inert gas to remove the purged gas,b) exposing the metal surface to an amount of a gaseous passivating agent comprising an effective amount of a gaseous hydride of silicon, germanium, tin or lead and for a time sufficient to passivate said metal surface, andc) purging said gaseous passivating agent using inert gas.

Abstract: Process for coating hollow objects exhibiting an opening, and beverage cans in particular, in which the hollow objects are immersed completely and with the opening downward in a paint-filled submersion bath, the openings being moved into the vicinity of nozzles for the paint, which are located underneath the surface of the liquid in the submersion bath and which at least partially displace the air trapped in the hollow objects immersed in the submersion bath by means of streams of paint discharging from the nozzles. With this process hollow objects can be painted uniformly inside and outside in one step without its being necessary to turn them either to fill them with paint when immersed in the submersion bath or to drain them after their being lifted out of the bath.

Abstract: The invention is a method for assembling heat transfer plates, introducing a plastic protective material into the plate interspaces as a vapor, and condensing the material on the surfaces of the heat transfer plates.

Abstract: A method of coating a corrugated pipe includes preparing an asphalt composition having a polymer constituent within the range of from about 3 to about 20 percent by weight, the composition having a softening point within the range of from about 180.degree. F. to about 250.degree. F. and a viscosity at a temperature of 360.degree. F. within the range of from about 600 to about 4000 cps, heating the asphalt composition to a temperature within the range of from about 340.degree. F. to about 390.degree. F. and coating the corrugated pipe by positioning at least a portion of the corrugated pipe in the heated asphalt composition for a time sufficient for the corrugated pipe to reach a temperature of at least 150.degree. F. The coated pipe is then removed from the asphalt composition for cooling.

Abstract: A lubricant and surface conditioner for formed metal surfaces, particularly aluminum and tin beverage containers, reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature. The conditioner includes a water-soluble organic material selected from alkoxylated or non-alkoxylated castor oil triglycerides and hydrogenated castor oil derivatives; alkoxylated and nonoalkoxylated amine salts of a fatty acid including mono-, di-, tri-, and poly-acids; alkoxylated and non-alkoxylated amino fatty acids; alkoxylated and non-alkoxylated fatty amine N-oxides, alkoxylated and non-alkoxylated quaternary ammonium salts, oxa-acid esters, and water-soluble alkoxylated and non-alkoxylated polymers.

Abstract: A chemical vapor deposition method is provided for case hardening a ferrous metal interior tubular surface by exposure to diffusible boron with or without other diffusible elements such as silicon to enhance the wear, abrasion and corrosion resistance of the surface. The pack composition used allows for borosiliconizing of the interior surface without sintering or adhering to itself and/or adhering to the surface. The pack composition comprises between about 5% and about 20% by weight of a suitable source of boron; between about 2% and about 10% by weight of silicon material; between about 2% and about 15% by weight of an activator; and the balance being a non-sintering, non-adhering filler.

Abstract: An apparatus for applying coating material to inner surfaces of cans includes a coating material spray gun and a cleaning material spray gun which are mounted in a side-by-side relationship on a manifold block. The coating material spray gun is connected in fluid communication with a coating material supply conduit through the manifold block. The cleaning material spray gun is connected in fluid communication with a cleaning material supply conduit through the manifold block. The cleaning material spray gun is operable to direct a flow of cleaning material toward a nozzle on the coating material spray gun to clean the nozzle. Three point mounting systems are utilized to accurately mount the spray guns on the manifold block. A heater is provided to maintain body of coating material in the coating material spray gun at a desired temperature.