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| Number | Title | Issue Date |
| 6290775 | Fluidized bed reactor and a process of using the same The invention relates to a fluidized bed reactor for the continuous production of fluidized bed granules. The reactor is characterized by a discharge device designed as a siphon pipe or siphon weir. The fluidized bed reactor permits a trouble-free continu... | 09/18/2001 |
| 6273678 | Modified diffusion aluminide coating for internal surfaces of gas turbine components An article is formed of a gas turbine component having a substrate, an internal passage through the substrate defining an internal surface of the substrate, and an internal protective layer overlying the internal surface of the substrate. The internal pro... | 08/14/2001 |
| 6214165 | Method for deacidification of papers and books by fluidizing a bed of dry alkaline particles Lignocellulosic materials such as paper are deacidified by exposure to acoustically agitated submicron alkaline particles which adhere to the materials being treated. The alkaline particles neutralize the acidity of the paper and counteract the effects of... | 04/10/2001 |
| 6019845 | Method for coating inner surfaces of metal tubes with powdery paint and apparatus therefor 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 apparatu... | 02/01/2000 |
| 5643630 | Method and device for depositing pulverized lubricants or parting compounds on the pressing tools of tabletting machines A method of depositing dosed quantities of pulverized lubricants or parting compounds on the materials contacting surfaces of pressing tools of tabletting machines, according to which the parting compound uniformly distributed by a gaseous transport mediu... | 07/01/1997 |
| 5242718 | Coating apparatus and method with fluidized bed feed effect An apparatus and method for coating surfaces of workpieces employs an electrostatic fluidized bed unit for producing a cloud of charged particles, for deposition upon the workpiece, and a second fluidized bed for agitating the particulate material and for... | 09/07/1993 |
| 5041301 | Method and apparatus for coating interior surfaces of objects with abrasive materials Apparatus and method for coating interior surfaces of objects employs an electrostatic fluidized bed unit in which the fluidization chamber is relatively shallow, and is circumscribed by a marginal portion that conforms closely to the dimensions and confi... | 08/20/1991 |
| 4950497 | Method and apparatus for coating interior surfaces of objects Electrostatic apparatus and method for coating interior surfaces of objects. The apparatus employs a fluidized bed unit in which the fluidization chamber is relatively shallow, and is circumscribed by a marginal portion that conforms closely to the dimens... | 08/21/1990 |
| 4894075 | Filter for a fluidized bed powder coating apparatus A filter for a fluidized bed powder coating apparatus is located within the fluidized hopper and fits about the end of a tubular conduit connecting the hopper to a spray gun. The filter is an enclosure having a plurality of holes through its walls which a... | 01/16/1990 |
| 4886011 | Powder coating apparatus A powder coating apparatus fluidizes coating powder in a powder container and mixes with the fluidized powder an additional substance, such as steam, water or other liquid. The additional substance is delivered into the interior of one or a plurality of e... | 12/12/1989 |
| 4689241 | Method for powder coating with electrostatic fluidized bed Significant improvements in the coating characteristics of electrostatic fluidized beds are obtained by limiting the weight of the fines in the coating powder to certain maximum levels, e.g., no more than 10% by weight of minus 38 micrometer particles. Th... | 08/25/1987 |
| 4626306 | Process for manufacturing profiled strips in fiber-loaded thermoplastic resin, installation for the implementation thereof and profiled strips obtained The procedure for manufacturing thin profiled strips, made up of continuous unidirectional fibers embedded in a thermoplastic resin, consists of impregnating a lap (1) of parallel fibers with resin particles, achieving resin fusion, forming the profiled s... | 12/02/1986 |
| 4500560 | Process for enamelling objects electrostatically by means of a gun In this process comprising fluidizing the enamel powder in a fluidization vessel by blowing air in the bottom of the latter, steam is also introduced in the vessel in the course of the fluidization. The relative humidity is adjusted in the vessel to a val... | 02/19/1985 |
| 4500336 | Process for making granules containing urea as the main component A process for making granules containing urea as the main component by prilling or granulating a urea melt or an aqueous urea solution, which melt or solution may contain one or more other fertilizers, such as ammonium sulphate, ammonium dihydrogen phosph... | 02/19/1985 |
| 4490411 | Apparatus for and method of metalizing internal surfaces of metal bodies such as tubes and pipes An apparatus and method for metalizing the interior of pipes or tubes is disclosed. The base metal pipe or tube to be internally metalized is moved axially while simultaneously being rotated at a relatively high rpm. A first pre-heat means, preferably an ... | 12/25/1984 |
| 4478632 | Process for making granules containing urea as the main component A process for making granules containing urea as the main component by spraying an aqueous urea solution having a urea concentration of 85-98% by weight, to which solution magnesium hydroxide, an inorganic magnesium salt or a mixture of such substances ha... | 10/23/1984 |
| 4435444 | Method of making ultra-microcrystallite silicon carbide product The present invention is directed to a reaction product of silica sand and of particulate carbonaceous material to form, silicon carbide on the surface of the carbonaceous particles and within the pores thereof, with the silicon carbide ultra-microcrystal... | 03/06/1984 |
| 4296142 | Method for coating a tubular food casing A method for coating a tubular food casing includes subjecting an inflated section of the food casing to a cloud of electrostatically charged dry particles and sintering the coated food casing. The process provides a pin-hole free coating and permits a co... | 10/20/1981 |
| 4288466 | Power preconditioning for electrostatic application Organic hygroscopic powders are preconditioned to render them free flowing and to facilitate their electrostatic application to preheated workpieces. The preconditioning technique includes drying the powder prior to electrostatic application to remove moi... | 09/08/1981 |
| 4243699 | Method of powder coating the inside of pipes with a continuous film of plastic material A method of powder coating the inside of tubular goods, such as oil field pipe and the like, by connecting one end of the pipe to a means for producing a flow of compressible gases therethrough. The other end of the pipe is open to atmospheric pressure. A... | 01/06/1981 |
| 4171410 | Elastic body and method of making same An open-cell synthetic-resin foam body is placed in a fluidized bed of conductive metallic particles having a particle size many times smaller than the cell size of the foam. The particles completely permeate the body and adhere to all of the strands ther... | 10/16/1979 |
| 4170074 | Powder dryer including fluidized bed aspirator Apparatus for preconditioning of organic hygroscopic coating powders to render them free flowing and facilitate their electrostatic application to preheated workpieces. The preconditioning technique includes drying the powder prior to electrostatic applic... | 10/09/1979 |
| 4122798 | Apparatus for coating the interior of tubular goods The interior of a pipe is coated with a uniform thickness of plastic. A fluidized bed of heat-meltable plastic material in particular form is connected to the inlet end of the pipe, while the opposed end of the pipe is made attachable to a source of reduc... | 10/31/1978 |
| 4089998 | Method of powder coating the interior of tubular goods The interior of a pipe is coated with a uniform thickness of plastic. A fluidized bed of heat-meltable plastic material in particular form is connected to the inlet end of the pipe, while the opposed end of the pipe is made attachable to a source of reduc... | 05/16/1978 |
| 3982050 | Method for coating inner faces of metal pipes of small diameter This invention relates to a method for coating inner faces of metal pipes of a small diameter which comprises feeding a stream of a powdery resin at a rate of 2 to 10 m/sec into a metal pipe of a small diameter preheated at a temperature higher by 20° to... | 09/21/1976 |
| 3946125 | Method for internally coating ducts with synthetic resin A method of and an apparatus for the internal coating of ducts with a synthetic resin, especially long steel pipes or tubes, in which gas-entrained synthetic-resin particles are passed through the tube while the latter is heated progressively by displacin... | 03/23/1976 |
