Abstract: Inductive Proximity Sensors are non-contact sensing devices used in manufacturing processes to sense metal targets. In practice, it is common for objects to contact the sensor causing the sensor to malfunction. An inductive sensor with improved durability is required. An inductive proximity sensor includes an exterior housing, an interior sensing coil and electronic circuit, and a connector. The Exterior housing is produced from one piece of metal bar, bored from one end to the tip of the other end, leaving the cylindrical tube open only on one end. The Exterior Housing is produced with an Inside Dimension that is smaller than previous proximity sensors and places the coil and electronic circuit further away from the Outside Dimension of the Exterior Housing. The interior sensing coil and electronic circuit are protected by the thick casing of the Exterior housing to improve structural rigidity and the longevity of operation in manufacturing processes.

Abstract: Inductive Proximity Sensors are non-contact sensing devices used in manufacturing processes to sense metal targets. In practice, it is common for objects to contact the sensor causing the sensor to malfunction. An inductive sensor with improved durability is required. An inductive proximity sensor includes an exterior housing, an interior sensing coil and electronic circuit, and a connector. The Exterior housing is produced from one piece of metal bar, bored from one end to the tip of the other end, leaving the cylindrical tube open only on one end. The Exterior Housing is produced with an Inside Dimension that is smaller than previous proximity sensors and places the coil and electronic circuit further away from the Outside Dimension of the Exterior Housing. The interior sensing coil and electronic circuit are protected by the thick casing of the Exterior housing to improve structural rigidity and the longevity of operation in manufacturing processes.

Abstract: Inductive Proximity Sensors are non-contact sensing devices used in manufacturing processes to sense metal targets. In practice, it is common for objects to contact the sensor causing the sensor to malfunction. An inductive sensor with improved durability is required. An inductive proximity sensor includes an exterior housing, an interior sensing coil and electronic circuit, and a connector. The Exterior housing is produced from one piece of metal bar, bored from one end to the tip of the other end, leaving the cylindrical tube open only on one end. The Exterior Housing is produced with an Inside Dimension that is smaller than previous proximity sensors and places the coil and electronic circuit further away from the Outside Dimension of the Exterior Housing. The interior sensing coil and electronic circuit are protected by the thick casing of the Exterior housing to improve structural rigidity and the longevity of operation in manufacturing processes.

Abstract: A remotely controlled apparatus for positioning and stabbing pipe within a drilling rig derrick is provided. A support base assembly is mounted to a structural member of a drilling rig derrick. A jointed articulating boom having a boom base member and a boom arm member is attached to the support base assembly and can be pivoted about vertical and horizontal axes. The jointed articulating boom extends and retracts by cooperative motion between the boom base member and the boom arm member. A pipe gripper assembly having opposing arcuate jaws is mounted at the outer extent of the jointed articulating boom and can be pivoted about a horizontal axis. A remote control panel subassembly is used to control the movement of jointed articulating boom and pipe gripper assembly.

Abstract: To cause the reversal of the pull of gravity, on a held liquid density, so that it can be supported to height by air weight and lifted by effortless displacement and a minimum of friction and transported through governing valve stops to be emptied at height, by using a held supported dual vertical and connected tube columns and joining horizontally supported, sliding governor tube, for a new type of liquid pump.

Abstract: One or more external surfaces of an extruded foam are coated by co-extruding a skin of polymer on the surface to reduce the diffusion the foaming gases out of the cells of the solidifying polymer foam. The sealing effect can involve coating one side of the extruded foam (AB foam) or both sides (ABA form). The skins can be solid or foamed. Alternatively, a cylinder is formed from an annular die and, preferably, a cylindrical cooling mandrel. By extruding and drawing the cylinder of foam onto a cooled cylindrical mandrel, which expands the diameter of the cylinder, the optimum physical properties of the structure can be achieved. This is because the foam structure is stretched in longitudinal and lateral directions. Preferable, the foaming polymer has “inherent melt strength” and “strain hardening” so that the foam cells are more consistent in size and shape. The preferred polymers are polypropylene or polystyrene.

Abstract: A remotely controlled apparatus for positioning and stabbing pipe within a drilling rig derrick is provided. A support base assembly is mounted to a structural member of a drilling rig derrick. A jointed articulating boom having a boom base member and a boom arm member is attached to the support base assembly and can be pivoted about vertical and horizontal axes. The jointed articulating boom extends and retracts by cooperative motion between the boom base member and the boom arm member. A pipe gripper assembly having opposing arcuate jaws is mounted at the outer extent of the jointed articulating boom and can be pivoted about a horizontal axis. A remote control panel subassembly is used to control the movement of jointed articulating boom and pipe gripper assembly.