Abstract: Orthodontic brackets that can accurately be mounted to the surface of teeth to effectively perform orthodontic treatment. The orthodontic bracket according to the present invention is characterized in that, a marker is provided on at least a portion of an outline that is generated by crossing a plane including a longitudinally extending center line, on the archwire slot base of the archwire slot and vertical to the archwire slot base, and an outer surface of the bracket with each other. The marker can be selected from the group consisting of a protrusion, a projection, a slit, a notch and a paint.

Abstract: A water filter cartridge particularly suited for a water filtration system incorporated into refrigerators includes an outer housing, a water filtration media inside the housing, and a cap affixed to an end of the housing to thereby enclose the filtration media. A portion of the cap defines a large cylindrical cavity having a channel formed therein which is positioned so that an O-ring provides a substantially water-tight seal when the filter cartridge is in an operative position in a manifold. The O-ring prevents water from otherwise flowing through the channel and externally of the water filtration system. Under normal water pressure the water filtration system will immediately visually exhibit a substantial leak if the filter cartridge is coupled to the manifold of the water filtration system in the operative position without the O-ring being positioned in the large cylindrical cavity.

Abstract: A drive train of a vehicle is disclosed which comprises a permanently driven primary axle and a secondary axle connectable to the primary axle via a switch-on device with a switch-on mechanism, whereby the secondary drive train output via side shaft couplings is transferred to the drive wheels of the secondary axle. Because the switch-on mechanism and/or the side shaft couplings have frictionally engaged couplings, it can be that when the secondary axle is uncoupled, the shutdown section of the secondary drive train located between the switch-on device and the side shaft couplings is uncoupled both from the primary axle and from the secondary drive wheels, such that there is no more power loss in this shutdown section, whereby connecting the secondary drive train during travel is possible all the same and losses in comfort and practicability do not have to be tolerated.

Abstract: A semiconductor package which is structured to allow for the edge mounting thereof in a vertical mount orientation. The semiconductor package comprises a flexible substrate or “flex circuit.” The flexible substrate includes a conductive pattern disposed on a first surface thereof, and a plurality of conductive pads or terminals disposed on a second surface thereof which is disposed in opposed relation to the first surface. Mounted to the first surface of the flexible substrate are one or more electronic components such as semiconductor dies. The semiconductor die(s) is/are electrically connected to the conductive pattern, and thereafter covered or encapsulated by a package body applied to a portion of the first surface of the flexible substrate. That portion of the flexible substrate including the conductive pads or terminals formed on the second surface thereof is thereafter folded and adhered to a portion of the package body through the use of a suitable adhesive.

Abstract: A filter vial and piston are provided where the vial has a cylindrical wall with a closed bottom and open top and with the hollow, tubular piston therein. The piston has a distal end covered by a cup having a proximal cup seal extending outward to engage the walls of the vial to form a fluid tight seal with the vial during use. The distal end of the piston has a piston flange extending outwardly and located adjacent a recess in the piston so the cup forms a snap fit over the piston flange and extends into the recess. The piston flange causes the cup to bulge sufficiently outward to form a fluid tight seal with the vial during use. A filter is placed in the bottom of the cup and abuts an inwardly extending lip on the cup. The filter is held against the lip by a piston support at the distal end of the piston. A cup support at a distal end of the cup also helps support the filter.

Abstract: There is provided a splitting tool for use with a pipe defining a longitudinal pipe axis. The pipe includes an outer wall and an inner wall defining a pipe channel. A ferrule is circumferentially disposed about the outer wall. The splitting tool includes a pipe support member defining an outer periphery that is substantially complimentary in shape to the inner wall. The pipe support member is insertable within the pipe channel to extend at least through the ferrule and to provide radial support to the inner wall. The splitting tool additionally includes a splitter member operatively connected to the pipe support member. The splitter member defines a longitudinal splitting axis that is substantially perpendicular to the pipe axis when the pipe support member is inserted within the pipe channel. The splitter member is moveable along the splitting axis to radially engage with and pierce the ferrule.

Abstract: To improve methods of manufacturing a rotor core, a rotor feed screw, and a rotor for motor-driven valves and reduce manufacturing cost of the motor-driven valves.

Abstract: A pipeline pressure testing assembly has a fitting defining a flow path and having a port on a wall of the fitting into which a pressure testing device is removably inserted along a central axis of the port for pressure testing. The port is circular, larger than the interior diameter of the pipeline and located at or above the tube forming the flow path through the fitting. The fitting has a recess encircling at least part of the flow path and opening to the port to receive the testing and sealing devices. The recess is formed by two opposing walls inclined relative to the central axis of the recess. The recess walls at the top of the flow path by the port are spaced apart a distance as large as the pipe diameter for cleanout and inspection. A tubular valve stem screws into the testing device and has a rotary valve blocking flow through the tubular valve stem. Flow through the fitting is blocked with the rotary valve closed and the tubular valve stem in a first position.

Abstract: A valve positioner for controlling a valve closure element is provided. The positioner includes a positioner housing with a plurality of fluid flow passageways in fluid communication with a fluid supply source and the valve closure element. The positioner housing is configured to receive a detachable spool manifold assembly. The spool manifold assembly is positioned adjacent the plurality of fluid flow passageways. The spool manifold assembly includes a reciprocally moveable spool configured to selectively port fluid flow from the plurality of fluid flow passageways. The spool manifold assembly includes a diaphragm connected to the spool via a flexible shaft. The diaphragm is in fluid communication with a transducer for receiving a fluid causing the diaphragm to expand or contract and thereby displacing the spool. The flexible shaft is radially elastic in order to minimize axial backlash between the diaphragm and the spool. The flexible shaft configuration minimizes the spool stroke.

Abstract: The present invention is directed to a block building system for building a wall structure that includes a plurality of pre-formed blocks configured to be stacked vertically upon one another to form the wall structure. Each block has at least one frustum-shaped protrusion on a top surface of the block, a horizontal channel formed in a bottom surface of the block, and at least one aperture extending vertically through an interior of the block. The system also has at least one base track, a plurality of T-shaped reinforcement members configured to engage with and extend upwardly from the track, a plurality of extension members that interlock with and extend T-shaped reinforcement members, and securing members. One or more courses of blocks can be vertically stacked over the base track by passing the T-shaped reinforcement members and/or extension members through the apertures formed in the blocks, thereby forming the wall structure.

Abstract: The invention is an aircraft that includes a flying wing having a plurality of extendable flaps mounted on the trailing edge of the flying wing. A canard is mounted on the nose of said flying wing. A system is mounted in the flying wing for providing high pressure air over the canard and the flaps. A second system is provided for controlling the flow of air over the canard to provide pitch control of the aircraft.

Abstract: A continuous annealing and pickling process of flat cold-rolled products, such as stainless steel strips, to obtain a high surface quality product at high production rates and with a low environmental impact. It comprises the following steps: heating, up to a temperature comprised in the range 650-1050° C., in an atmosphere with an oxygen content comprised in the range from 0.5 to 12%; heating for a time comprised from 10 to 200 sec up to a temperature comprised in the range from 650 to 1200° C. in presence of oxidizing agents and/or inert agents; cooling down to temperatures comprised in the range from 650° C. to ambient temperature in presence of oxidizing agents and/or inert agents; thermochemical or electrolytic descaling and finally possible pickling and/or passivation, by means of the use of pickling baths consisting of mineral acid solutions.

Abstract: In accordance with the present invention, there is provided a semiconductor package (e.g., a QFP package) including a uniquely configured leadframe sized and configured to maximize the available number of exposed leads in the semiconductor package. More particularly, the semiconductor package includes a generally planar die pad or die paddle defining multiple peripheral edge segments. In addition, the semiconductor package includes a plurality of leads. Some of these leads include bottom surface portions which, in the completed semiconductor package, are exposed and at least partially circumvent the die pad, with other leads including portions which protrude from respective side surfaces of a package body in the completed semiconductor package. The semiconductor package also includes one or more power bars and/or one or more ground rings which are integral portions of the original leadframe used to fabricate the same.

Abstract: A dispenser (10) for items (26), such as cans (28) or bottles (30), including a main body (16) including one or more openings (32,34) for item dispensing therethrough; a storage means such as a holder (24) included in the main body to store the items substantially within the main body; and a rotation device (54,66) to rotate substantially within the main body, wherein items are presented by the rotation device to one or more of the openings for dispensing.

Abstract: Disclosed is a lead frame and a semiconductor device including the same. The lead frame is provided with a die pad, and first, second and third lands sequentially arranged on an outer circumferential edge. The lead frame can separate the first and second lands or the die pad and the first land using a plating layer formed on the lead frame as a mask, instead of using a separate mask by etching after the application of the encapsulant. As a result thereof, a plurality of lands can be formed at low cost, in comparison with a conventional method. Additionally, the first, second and third lands are exposed to the outside through a lower portion of an encapsulant, and can be surface mounted on an external device through the first, second and third lands.

Abstract: An oxygen trainer assembly for use in athletic activities to increase inspiratory muscular endurance, the assembly comprising: a mouthpiece having a mouthpiece opening; a circulation chamber housing having a circulation chamber in fluid communication with the mouthpiece opening; a first endcap having a first endcap aperture and a second endcap having a second endcap opening in fluid communication with the circulation chamber housing; a first endcap insert disposable in the first endcap operative to control the level of air resistance in the assembly during inhalation and exhalation; a one-way valve disposable in the second endcap sized and configured to allow the flow of air away from the circulation chamber during exhalation.