Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4280847 | Process and apparatus for producing highly colloidized water-cement mixtures and for coating pipes The invention relates to a process and apparatus for producing highly colloidized water-cement mixtures and to a process of coating structural members therewith.... | 07/28/1981 |
| 4256255 | Method of brazing with replaced braze powder The invention overcomes the difficulty of applying a layer of material e.g. braze material, to a concave surface, by rotating the workpiece having the concave surface, about the axis of revolution of the concavity and the material is applied thereto in po... | 03/17/1981 |
| 4254165 | Method of forming a filled polymer coating on an internal cylindrical surface and article produced thereby A filled, low or medium density polyethylene or other polyolefin composition is used to form a polymer coating on an internal cylindrical metal surface such as, for example, the interior surface of a pipe.... | 03/03/1981 |
| 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 |
| 4183974 | Container coating method A method for coating a cylindrical container with a thin, resinous coating by spraying powdered resin is disclosed. The technique involves spraying of finely divided resin particles into a beverage container from spray nozzles external to the container. T... | 01/15/1980 |
| 4169906 | Wear resistant coated pipe and method of making it This is concerned with a method of making a pipe to increase its wear resistance by coating the interior thereof with a wear resistant coating which includes wear resistant particles, and the pipe produced by such a method.... | 10/02/1979 |
| 4163812 | Container coating method A method for coating a slender, cylindrical container with a thin, resinous coating by spraying powdered resin is disclosed. The technique involves spraying of finely divided resin particles entrained in a gas stream at a substantially uniform rate at a v... | 08/07/1979 |
| 4150164 | Process for heating cylindrical containers with a plasma arc generated flame The interior of cylindrical metal containers are coated with a thin, substantially uniform comestible coating by spraying finely divided resinous particles into the container after it has been preheated by a plasma arc-generated flame to a temperature abo... | 04/17/1979 |
| 4150182 | Method of producing a refractory lining in a cylinder or tube and resultant article A method of producing a refractory lining in a cylinder or tube by initiating an exothermic reduction reaction, such as an aluminothermic reduction reaction, within the cylinder and causing the reaction products to coat the interior of the tube substantia... | 04/17/1979 |
| 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 |
| 4054688 | Method of making locking nuts Improved process for applying locking patches of resilient resin to internally threaded articles such as nuts having openings at both ends of the threaded portions in which process there is used apparatus including, a support and treating member, preferab... | 10/18/1977 |
| 4039703 | Method for producing a tubular multi-layered porous barrier A method for producing a tubular multi-layered porous barrier comprising the step of depositing fine powder onto at least one of the inner and outer surfaces of a sintered tubular porous support member in a layer of uniform thickness to form a fine powder... | 08/02/1977 |
| 4025664 | Container coating method A method for coating a cylindrical container with a thin, resinous coating by spraying powdered resin is disclosed. The technique involves spraying of finely divided resin particles at a velocity of at least about 200 feet per minute from a spray nozzle e... | 05/24/1977 |
| 3993811 | Thermal insulating panel for use in an insulative container and method of making said panel A panel having a double wall construction of a structural plastic material is provided with improved thermal insulative properties by (1) metallizing at least one surface of each wall of the panel with metal such as silver to provide a light reflective su... | 11/23/1976 |
| 3989859 | Coating entire surface of three-dimensional article with heat fusible plastic A preheated workpiece having a surface with substantially arcuate curvature is supported by rotatable supporting means which has limited contact with said surface. Heat fusible plastic material in finely divided solid form is propelled against all parts o... | 11/02/1976 |
| 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 |
| 3974306 | Method for coating the inner surface of metal pipes A method for coating the inner surface of a metal pipe having an inner diameter of about 1 to 15 cm, which comprises feeding from one end of said metal pipe dry particles of a coating composition into the interior of the metal pipe preheated at a temperat... | 08/10/1976 |
