Abstract: A plant for treatment of car bodies may include: transport units to carry car bodies; a first transport line to move the transport units between a starting zone and an arrival zone so as to pass over at least one treatment tank; and a second transport line along which empty transport units are returned. The second transport line is configured to convey the transport units rotated on one side relative to a normal position for transporting the car bodies. A first transfer device is configured to pick up a transport unit from the first transport line, rotate the transport unit on one side, and to deliver the transport unit to the second transport line. A second transfer device is configured to pick up a transport unit from the second transport line, rotate the transport unit into the normal position, and deliver the transport unit to the first transport line.

Abstract: A method for coating a pipe (1) in the interior thereof, wherein the method has at least the following method steps: (i.) providing an immersion basin (2) which is filled with a coating liquid (3); (ii.) first immersion of the pipe (1) to be coated into the coating liquid (3); (iii.) first removal of the pipe (1) to be coated from the coating liquid (3) ensuring an angle (?) between the central axis (M) and the surface of the coating liquid (3) with 1°<(?)<30°; (iv.) second immersion of the pipe (1) to be coated into the coating liquid (3); (v.) second removal of the pipe (1) to be coated from the coating liquid (3) ensuring an angle (?) between the central axis (M) and the surface of the coating liquid (3) where ?30°<(?)<?1°.

Abstract: The present invention relates to the field of steel pipes and vessels rotolined with metallocene-produced polyethylene.

Abstract: The invention relates to a method of coating a surface (2) of a hollow body (1), said method comprising: a step of positioning said hollow body (1) on a support (7) designed to receive said hollow body (1); and a step of spraying at least one coating material onto said surface (2) of said hollow body (1) by means of a spray device (9), relative movement being imparted to said support (7) and to said spray device (9); said coating method being characterized in that said relative movement takes place at a velocity that varies as a function of the distance (d) between the spray device (9) and said surface (2). Coating machines.

Abstract: A method of coating a first porous substrate with a thermoplastic material comprises the steps of: rotating the substrate about an axis of the substrate; and applying the material in a liquefied state onto the substrate, wherein the step of applying is performed from the outside of the substrate. According to another embodiment, a method of coating a porous substrate with a thermoplastic material comprises the steps of: connecting a first porous substrate to a rotator; rotating the substrate about an axis of the substrate; pumping the material in a liquefied state from a receptacle to an application head; and applying the material in a liquefied state onto the substrate, wherein the step of applying is performed from the outside of the substrate. In certain embodiments, the material coated on the substrate is used to help remove at least a portion of a filtercake.

Abstract: A combined heating and cooling device for coating the inner walls of pipes may include heating areas and cooling areas. This device can be guided along the pipe to be coated, wherein a fluid containing the coating active agent is supplied to the interior of the pipe. The combined heating and cooling treatment for the pipe supports the process of coating formation. The cooling process is subject to a desired profile by the use of the cooling area and is not determined by chance.

Abstract: The invention relates to a method for plasma-assisted chemical vapour deposition for coating or material removal on the inner wall of a hollow body (42). The method involves introducing a gas lance (44) into the hollow body (42) and forming a cavity plasma (45) to form a plasma cloud arranged at the tip of the gas lance by applying an electric radio-frequency field to an RF electrode (41).

Abstract: A method of applying a coating material to a stent includes the steps of providing a generally tubular stent having an inside surface and an outside surface and applying a coating material to the inside surface of the stent without applying that coating material to the outside surface of the stent. The method may comprise providing a mandrel having a diameter less than an interior diameter of the stent, providing the coating material around the mandrel, placing the stent around the mandrel and crimping the stent so that the inside surface of the stent contacts the coating material. Alternatively, the method may comprise providing an expandable device, providing the expandable device with the coating material such that the coating material is deliverable from the expandable device, placing the stent around the expandable device and expanding the expandable device such that the expandable device contacts the inside surface of the stent.

Abstract: The present invention relates to the field of steel pipes and vessels rotolined with metallocene-produced polyethylene.

Abstract: A process for electrostatically coating a stent on a catheter. A conductor which is permanently affixed to the catheter contacts a stent mounted on the catheter. Conductive ink applied to the catheter may be used as the conductor. An electrical charge is applied to the conductor. The stent is then coated using an electrostatic coating process.

Abstract: Disclosed herein is a method for aluminiding an internal passage of a metal substrate comprising injecting a slurry composition that comprises a powder comprising aluminum, a binder selected from the group consisting of colloidal silica, an organic resin, and a combination thereof, into the internal passage; applying compressed air to the internal passage to facilitate distribution of the slurry composition throughout the internal passage; and, heat treating the slurry composition under conditions sufficient to remove volatile components from the composition, and to cause diffusion of aluminum into a surface of the internal passage.

Abstract: A grafting reagent and related method of using the reagent to form a polymeric layer on a support surface, and particularly a porous support surface, in a manner that provides and/or preserves desired properties (such as porosity) of the surface. The reagent and method can be used to provide a thin, conformable, uniform, uncrosslinked coating having desired properties onto the surface of a preformed, and particularly a porous, polymeric substrate.

Abstract: Processes for coating implantable medical devices that improve the stability of therapeutic agents contained within the coating.

Abstract: A method of covering the inside surface of a steel connection part having an empty inside volume (1-2) defined by said inside surface, with a liner constituted by a layer of substantially uniform thickness of a thermoplastic material. The connection part including at least two open tubular ends suitable for being connected respectively to at least two steel pipe elements, each including the same internal liner. A rotary molding method is implemented in which the connection part acts as a mold. The present invention also provides a connection part obtained by the rotary lining method of the invention, and to methods of assembling a connection part of the invention, as obtained by rotary lining, with a likewise lined pipe element.

Abstract: A method of forming a coating for an implantable medical device, such as a stent, is provided which includes applying a composition to the device in an environment having a selected pressure.

Abstract: A method and apparatus for surface treating metal pipes includes introducing a treatment liquid into a first distribution chamber having a flat bottom surface, and dropping the treatment liquid onto at least a portion of the outer peripheral surface of the metal pipe through a plurality of holes formed in the bottom surface of the first distribution chamber. Preferably, a distance between the bottom surface of the first distribution chamber and the metal pipe is maintained constant as the outer diameter of the pipe varies. The treatment liquid may be introduced into a second distribution chamber having a flat bottom surface, and the treatment liquid may then be introduced into the first distribution chamber through a plurality of holes formed in the bottom surface of the second distribution chamber. It is possible for the first distribution chamber to simultaneously drop the treatment liquid onto at least two metal pipes.

Abstract: The present invention provides a method and system for implanting a piece of wood or wood composite to improve the electrostatic attraction thereupon. A method is provided for treating a lignocellulosic substrate such as medium density fiberboard (MDF). The method includes implanting a conductive material into the lignocellulosic substrate, pre-heating the implanted lignocellulosic substrate, coating the pre-heated implanted lignocellulosic substrate with a powder solution, and curing the powder coated substrate.

Abstract: A cementitious composition (1) which, in the hardened state, acts as a low leaching coating in low alkalinity and low hardness waters. The composition comprises at least one cement and a highly reactive pozzolan. The cementitious composition can be applied to a surface such as a metallic drinking water pipe (2) in order to provide corrosion protection therefor.

Abstract: There is provided a method of forming a coat on an inner surface of a bearing, in which a jig 13 is attached to a rotor 2 while holding four bearings 12 for example, so as to form those in a cylinder shape. Then, while the rotor 2 is rotated at a circumferential speed of 0.3 m/sec, a nozzle 8 for airless spraying is inserted into the rotor 2, so that the nozzle 8 injects a coating material 30 from the inside of the bearings 12 toward an inner surfaces of the bearings 12 to apply the coating material thereon. Because the coating material 30 is injected from the nozzle 8 without using compressed air, the fly amount of the coating material is made less as compared to air spray painting.

Abstract: A stent mounting device and a method of coating a stent using the device are provided.

Abstract: The invention relates to a method of coating a surface of a stent by contacting the stent with a coating solution containing a coating material, inserting a thread through the lumen of the stent, and producing relative motion between the stent and the thread to substantially remove coating material located within the openings of the stent. Eliminating or minimizing coating material located within the openings preserves the functionality of the stent. The method can be used to apply a primer layer, a polymer, either with or without a therapeutic agent, and/or a top layer on the stent.

Abstract: A thermal insulator can change a heat insulation characteristic partially with a simple structure. The thermal insulator is divided into a plurality of parts in accordance with a temperature of a heat source which is insulated by the thermal insulator. The plurality of parts are formed of different honeycomb structures, respectively, so as to provide different heat insulation characteristics. The plurality of parts may be formed by different materials, or a shape or dimension such as a cell pitch of the honeycomb structure may be varied. Heat is collected from air within the honeycomb cells, and is transferred to other parts for heating.

Abstract: A method of forming a coating for an implantable medical device, such as a stent, is provided which includes applying a composition to the device in an environment having a selected pressure. An apparatus is also provided for coating the devices. The apparatus comprises a chamber for housing the device wherein the pressure of the chamber can be adjusted during the coating process.

Abstract: Iodine or iodophor stain resistance is imparted to a surface by applying a hardenable coating composition containing an effective amount of a reducing agent having a redox potential sufficient to decolorize an iodine or iodophor stain. The reducing agent reacts with triiodide anion in the stain to change the stain coloration from a yellowish hue (e.g., yellow-white, yellow or brown) towards a lighter hue (e.g., pale yellow, white or transparent). This decolorization reaction takes place over a period of minutes, hours or days, and preferably can eventually cause the stain to disappear.

Abstract: A heat-resistant resin film having a metallic thin film accumulated thereon or an endless belt having a metallic thin film accumulated thereon having good mechanical characteristics is produced in a simple process. A metallic thin film is formed on an inner surface of a cylindrical substrate, and a layer of a heat-resistant resin is formed thereon. An accumulated body of the heat-resistant resin and the metallic thin film is peeled off from the substrate. The metallic thin film may be formed by electroplating, electroless plating or vapor deposition, or may also be formed by attaching a metallic foil having been prepared on an inner surface of the substrate. The heat-resistant resin layer is formed by injecting a polyamide acid solution in a rotational drum, and then formed by centrifugal forming by rotating the rotational drum on rollers under heating. After forming, imidization is conducted by heating and baking to form a film member of a thermosetting polyimide.

Abstract: A method for coating an interior surface of a metallic tube with a corrosion-resistant and/or an abrasion-resistant alloy. The method includes placing an alloy within a tube, enclosing the open ends of the tube with end caps, at least one of which is vented, heating the tube by applying current across the tube sufficient to heat the tube and melt the alloy, and spinning tube by the longitudinal axis of the tube to distribute the molten alloy along the interior surface of the tube using the centrifugal forces created by the spinning. An apparatus suitable for carrying out the above method is also disclosed.

Abstract: An apparatus and methods for applying a coating to an implantable device. The implantable device can include depots formed in the outer surface thereof to receive the coating. The coating can include a polymer and a solvent applicable to the surface of the implantable device including the depots. The application of the composition is performed under a pressure, which can reduce the surface tension and/or molecular adhesion force of the composition. The reduced surface tension and/or adhesion force allows gas bubbles within the depots to be removed while the composition is being driven into the depots.

Abstract: A flow tube has a metal outer tube and is lined with an ETFE fluoropolymer that is resistant to corrosive chemicals and mechanical damage even at high temperatures. The inner surface of the metal tube is coated with a bonding metal that can be securely bonded to the outer metal tube and also forms a strong bond with ETFE fluoropolymer. After the bonding metal has been applied, a layer of a desired thickness of the ETFE fluoropolymer is molded in place to form an inner liner for the flow tube.

Abstract: A process for rotolining a cylindrical article is provided, wherein the rotolining powder contains both fluoropolymer and filler and has a particle size of 70-1000 micrometers, and the cylindrical article (surface being lined) is rotated at a speed of at least 100 m/sec2 while heating the powder to press the powder against the surface being lined to thereby form the lining.

Abstract: A batch process for making galvanized steel products with a low lead or no lead zinc coating is described. Metal parts are cleaned, rinsed, pickled and rinsed and are immersed in a hot, pre-flux solution and thoroughly dried before they are immersed in a molten zinc bath. The dryer system includes a mechanism for rotating the batch of parts as they are dried. In one embodiment of the invention, a batch of steel pipe is dried by hot air having a maximum temperature of 125° C. The descrambler system rotates the pipe and moves the pipe in contact with the divider apparatus to separate the pipe in the dryer. The pipe, thoroughly dried, is immersed into a molten zinc bath having less than 0.05% by weight lead, and the use of a top-flux on the molten zinc bath is optional.

Abstract: A coating apparatus with a spray head is provided for coating can bodies internally. The spray head is supplied with coating material through a feed line which passes through the seam welding machine for the container bodies. The combined spray and extraction head is also connected to a suction line which extracts excess coating material which has not been deposited on the internal walls of the container bodies, and returns it through the welding machine. In this way, the escape of coating material between the individual can bodies can largely be avoided, thus reducing contamination of equipment.

Abstract: A process for manufacturing a copper tube with a tinned inner surface by circulating a substitution-type electroless tin plating solution inside the copper tube. The process is characterized by comprising a first plating step wherein the rate of deposition of a tin film is adjusted so that the total copper ion concentration in the plating solution, immediately after flowing from the copper tube, after having been circulated inside the tube divided by the tin (II) ion concentration in this plating solution is 0.8 or less, and a second plating step wherein plating is carried out at a plating solution temperature higher than the plating solution temperature in the first plating step. A plating solution comprising 0.05-0.3 mol/l of Sn.sup.2 ion, 0.5-2.0 mol/l of thiourea, 0.5-2.0 mol/l of sulfuric acid, 0.05-2.0 mol/l of alkyl benzene sulfonic acid, and 0.5-5.0 g/l of a nonionic surface active agent is preferably used.

Abstract: A method for coating an inner surface of a metal tube comprises supplying a hot-melt resin powdery paint floating in air together with an air stream into the metal tube which has been pre-heated and rotating around it's horizontal center axis. An apparatus used for the method comprises a rotating means for supporting and rotating the metal tube, fluidizing bed tank for floating the powdery paint in air, a paint supply pipe, an air pipe and a Y-shaped mixing pipe through which the powdery paint is supplied to the inside of the metal tube in the form of a jet. The inner surface of the metal tube can be coated uniformly in a very short period of time.

Abstract: The present invention relates to a method of applying a wear protection substance to the inside of metal cases used for ammunition. The wear protection substance comprises a composition of wax and a solid particle component which has a known barrel wear reducing effect. The wear protection substance is either applied in molten form to the inside of the metal case or is applied in solid form to the inside of the metal case and then melted. The wear protection substance is then spread to form a layer over the inside of the metal case. The metal case is then cooled whereby a solid coating is formed on the insides of the metal case.

Abstract: Also disclosed is an appliance for introducing sealing compound into lug caps, the appliance containing a turntable for accommodating the cap, and an injection unit, the injection unit containing a nozzle block, which has annularly arranged injection nozzles, and a delivery device for the sealing compound, the turntable and the nozzle block being arranged so as to be centered and the nozzle block being rotatable in the same direction as the turntable.The invention also relates to a process for introducing sealing compound into lug caps and to the use of the appliance for injecting sealing compound into lug caps.

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: The present invention provides a method for coating the interior surface of a cylinder with a uniform, relatively thick layer of a polymeric material. The method includes the steps of dispersing a particulate polymeric material into the interior cavity of a cylinder. Any openings in the cylinder are then closed. The cylinder is then subjected to rotational movement while at the same time subjecting the cylinder to oscillation in a vertical plane. The polymeric material is then heated to a temperature above the melting point of the polymeric material, and maintained at that temperature for a time sufficient to coat the polymeric material onto the interior surface of the cylinder. The rotation and oscillation of the cylinder is then halted and the polymeric material is cooled.

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: Apparatus for internally coating a pipe, comprising means heating a pipe as it is internally spray coated, a plurality of first rollers mounted on a first rotatable shaft having an inlet end proximate the heating means and an outlet end spaced from the heating means, and a plurality of second rollers mounted on a second rotatable shaft parallel to the first shaft and having an inlet end adjacent the heating means. Each second roller is spaced from and adjacent to a corresponding first roller in a paired relationship to thereby define a nesting groove located above the gap between each set of paired rollers. Motive means rotates the shafts and the mounted rollers to rotate the pipe within the nesting grooves of adjacent pairs of rollers. Advancing means longitudinally advances the pipe through the heating means and sequentially along the nesting grooves of adjacent pairs of rollers.

Abstract: Apparatus for internally coating a pipe, comprising a device for heating a pipe as it is internally spray coated and a plurality of inlet rollers and a plurality of outlet rollers for supporting the pipe while it is being heated and longitudinally advanced through the heating device. Each roller is spaced from and adjacent to a corresponding roller in a paired relationship to thereby define a nesting groove located above a gap between each set of paired rollers. A motive device rotates the rollers to rotate the pipe within the nesting grooves of adjacent pairs of rollers. An advancing device longitudinally advances the pipe through the heating device and sequentially along the nesting grooves of adjacent pairs of rollers. The pipe leaving the heating device is heated to a high temperature and has an increased diameter.

Abstract: A film-forming polyester derived from a monohydric alcohol component having one or more long chain alcohols, the alcohol forming from 5 to 60% by weight of the components from which the polyester is derived. Coating compositions including the polyesters are particularly suitable for applying to cans before the cans are subjected to a spin-necking operation.

Abstract: A method of applying a liquid coating material to the inside of a tank(10) and performing a hydrostatic pressure test on the tank at the same time. The method is useable for applying a liquid vitreous enamel coating material to a water heater tank, to be subsequently dried and furnace heated to form a glazed enamel internal coating. Preferably the hydrostatic pressure test is performed by displacing coating material from a portion(68) of an accumulator(51) by pumping liquid into a flexible bladder(66) housed in the accumulator. Pressure from pump(76) is transmitted to the tank(10 by the liquid coating material and held for a prescribed time interval to prove tank integrity. The method avoids excessive shear, hence viscosity changes in thixotropic coating materials.

Abstract: A nozzle, nozzle assembly and method for internally coating containers uses a dual orifice nozzle and method to direct divergent distinct spray patterns at separate interior surface portions of the container where the coating liquid is required most. The nozzle comprises a generally cylindrical body having a forward portion, a middle portion, a rear portion, a first conduit passageway extending longitudinally therethrough terminating in a first opening disposed in the forward portion, and a second conduit passageway extending longitudinally therethrough terminating in a second opening formed in the forward portion of the nozzle body. The first and second conduit passageways direct the separate sprays of coating liquid generally forward of the nozzle body in separate distinct patterns diverging from one another with an acute included angle.

Abstract: This the method of manufacturing metal pipes by inserting tin or tin based coating material into the metal pipe, raising the temperature rapidly to over 1000.degree. C. in the high frequency furnace in a non-active, or non-oxide atmospheric gas, or in a reducing gas, to coat the entire interior wall of the metal pipe with tin or tin based alloy, and, then, to cool it at a high rate of cooling.According to this method of manufacturing, a uniform coating is formed in the interior wall of the metal pipe, without giving rise to residuous collection of the coating material, or to the non-formation of coating, and such effects as the prevention of metal corrosion as well as the absence of the weakening of the mechanical strength as vibration resistance and also of pressure resistance may be obtained.

Abstract: A method to produce thin films suitable for fabricating ferroelectric thin films. The method provides for selection of the predetermined amounts of lead, lanthanum, zirconium, and titanium precursors which are soluble in different solvents. Dissolving predetermined amounts of the precursors in their respective solvents in proportions such that hydrolyze reaction rate for each metal precursor will be approximately equal. Preferably, the reaction is performed under an inert atmosphere at from about 350 mmHg to 650 mmHg pressure. The precursors and solvents are mixed, and water is added to begin a hydrolysis reaction. After the hydrolysis the solution is heated to drive off the excess water and solvent to promote the formation of a sol-gel. The sol-gel is then applied to a thin substrate and sintered to produce the ferroelectric film.

Abstract: A method for making an anisotropic or predominantly unidirectional wick primarily for use in heat pipes is disclosed unidirectional heat pipe wicks is made by supporting magnetically susceptible particles on a wire screen and moving the screen inside a magnetic field until the characteristic cone or point shapes assumed by the particles are aligned in a laid down orientation. The particles are then heat treated to yield a sintered wick. An example of a wick made with nickel powder demonstrates improved wicking in the direction pointed to by the laid down points. A wick is also made by the spinning pipe-slurry method for making heat pipe wicks. Magnetically susceptible powder is mixed into a viscous binder to make a slurry, then injected inside a rotating cylindrical heat pipe container. A magnetic field is created around the spinning container and varied to align the particles in a desired structure.

Abstract: A nozzle, nozzle assembly and method for internally coating containers uses a dual orifice nozzle and method to direct divergent spray patterns at separate interior surface portions of the container where the coating liquid is most needed and to minimize misting, overspray and waste. The nozzle comprises a generally cylindrical body having a forward portion, a middle portion, a rear portion, a first conduit extending longitudinally therethrough terminating in a first opening disposed in the forward portion, and a second conduit extending longitudinally therethrough terminating in a second opening formed in the forward portion of the body. The first and second openings are oriented at an acute angle with respect to a central longitudinal axis of the nozzle to direct the separate sprays of coating liquid from the body generally in separate patterns diverging from the central longitudinal axis of the nozzle.

Abstract: A computer controlled concrete injector pump and process for lining pipe comprises a pump chamber having an outlet connected to a spray lance through a first check valve and having first and second inlets, one inlet being connected through a second check valve to a hopper, and the second inlet being connected to an injector tube having a piston moveable therein by a hydraulic cylinder. The hydraulic cylinder is controlled by a programmable logic controller in a control system which has provisions for operator input of lining process parameters. The volume and flow rate of material from the pump may be controlled accurately by controlling the movement of the piston within the injector tube. The valve housing of the second check valve between the chamber and the hopper is split into two portions which are connected by a quick-disconnect coupling. The valve housing may be separated for access to its interior for maintenance and cleaning.

Abstract: The invention comprises applying to a substrate a precursor of an organo-metallic compound, the precursor preferably consists of one or more pairs of ligand substituted Group III and V elements. The precursor is decomposed and deposits onto a receiving layer held at the decomposing temperature of the vaporized material.

Abstract: A method for coating a pipe (1) in the interior thereof, wherein the method has at least the following method steps: (i.) providing an immersion basin (2) which is filled with a coating liquid (3); (ii.) first immersion of the pipe (1) to be coated into the coating liquid (3); (iii.) first removal of the pipe (1) to be coated from the coating liquid (3) ensuring an angle (?) between the central axis (M) and the surface of the coating liquid (3) with 1°<(?)<30°; (iv.) second immersion of the pipe (1) to be coated into the coating liquid (3); (v.) second removal of the pipe (1) to be coated from the coating liquid (3) ensuring an angle (?) between the central axis (M) and the surface of the coating liquid (3) where ?30°<(?)<?1°.