Abstract: The invention relates to an injection-moulding device for injection moulding of plastic objects, having a mould which defines a mould cavity, in which mould is provided a flow channel for the at least partially liquid plastic, which flow channel extends through a manifold and a number of nozzles connected to the manifold, wherein the flow channel contains a number of transverse separating surfaces between structural components, and at least one transverse separating surface is bridged by a sealing element in the flow channel, which sealing element is provided clampingly on the structural components.

Abstract: A mold battery with provisions for separating one mold member from another by both rotating away and also translating away. A mold member comprises two wheels resting on two rails and a lower roller. While the mold member is rotated to an open angle stopped by the lower roller contacting a stop surface, yet the mold member can also be translated away by rolling along the rails. When joining mold members, a freedom of movement is provided which improves the seal. One embodiment comprises parallel guidance by wheels fixed on a common axle and turning in unison. One embodiment substitutes a fixed pin for the lower roller.

Abstract: A molding/punching station for molding and punching containers out of a foil strip (2) of thermoplastic synthetic material, which station includes a molding table (5) for holding one half of a mold (4); a frame (9) in which the table (5) is mounted for pivotal movement about a fixed axis of rotation (26) transverse to a longitudinal axis (35) of the table (5); and a single guideway (27) that is mounted on the frame (9) and engages the table (5) for guiding the pivotal motion of the table (5), with the guideway (27) for pivoting table (5) being disposed between the plane of the foil strip (2) in the station and the pivoting point (26′) or axis of rotation (26) of the table (5), if necessary with sectional areas of the guideway (27) being opposite the foil strip (2).

Abstract: An injection molding device (1) having a valve pin (11) and an actuating cyclinder (15) connected to the valve pin (11). The valve pin head (37) is releasably attached to the piston (33) of the cylinder such that the cylinder can be removed while leaving the valve pin (11) from the nozzle such that a low headspace can be achieved above the nozzle.

Abstract: A catalytic heater 10 has an insulation pad 36 and a catalyst pad 34 mounted in face-to-face relation within an enclosure 11 having an open front face 20. A starter 48 is mounted within the catalyst pad and is effective for preheating of the catalyst pad. Fuel gas is supplied to the rear face of the insulation pad and air is supplied to the front face of the catalyst pad, so that a catalytic reaction occurs generally when the catalyst pad and sear the ope front face. After the catalytic reaction begins, electrical energy is ceased to the starter. The starter preferably comprises a quartz-halogen lamp of a relatively small size which is mounted within the catalyst pad.

Abstract: Disclosed is a hybrid high pressure catalytic combustion burner employing catalysts and CST combustion with staged mixing systems, in which a primary combustion gas containing reacted gas of a primary gas mixture, which is formed via catalytic combustion, is subject to a secondary mixing with the primary gas mixture containing fuel and high temperature air, completing stable high temperature CST combustion at ultra lean conditions, thereby achieving high temperature combustion reducing formation of NOx.

Abstract: A catalytic combustor contains multiple sections for catalytically combusting an anode effluent. The anode effluent is divided into a plurality of portions with each portion routed to a different section or stage of the combustor. The proportioning of the anode effluent allows the combustor to be operated so that the flows combusted do not autoignite and various heat loads placed on the different stages of the combustor can be met. Additionally, the proportioning of the anode effluent allows the temperature within the various components of the combustor to be controlled so that a useful life of the combustor can be increased.

Abstract: A system of controlling combustion of fuel in a boiler having an adjustable air-to-fuel ratio. A first sensor is used to measure the CO production to provide a CO distribution range during a period of time for the combustion A second sensor measures the NOx production to provide a NOx distribution range during this period of time for the combustion. A controller adjusts the air-to-fuel ratio to cause combustion of the fuel within the CO distribution range and the NOx distribution range to thereby cause the actual emission for the CO and NOx distributions to average less than the maximum permitted. Preferred time ranges are from 15 to 30 minutes, and the air-to-fuel ratio is selected to produce actual emissions averaging 95% of said maximum.

Abstract: Gas burner for a cooking hob, comprising a burner body provided with a plurality of openings for entry of primary air, a flame-dividing element which defines together with the burner body and air/gas mixing chamber, a gas injector which is mounted on the cooking hob, for injecting gas inside the mixing chamber, and a converging/diverging duct which defines a Venturi tube located downstream of the gas injector for drawing air into the mixing chamber. In accordance with the present invention, the burner body, the flame-dividing element and the converging/diverging duct consist of a single monolithic structure in the form of a pressed sheet-metal casing.

Abstract: The present invention relates to a method and a device for reducing emission from a combustion or gasification plant, said plant having an combustion chamber housing means for insertion of a first fluid into said chamber, introduction of said fluid into said chamber being effective to reduce the emission of at least one substance from said combustion and said fluid having an optimal operating temperature range for which emissions are particularly low. The temperature is established in a volume in said combustion chamber, where said volume includes the position for insertion of said first fluid. A second fluid is inserted into said combustion chamber and is effective to reduce the temperature in said volume in said combustion chamber, if said temperature is established to be higher than said optimal temperature range.

Abstract: Orthodontic appliances such as orthodontic brackets are provided with bases that are shaped to correspond to the profiles of the specific teeth to which they are to be attached. The shapes of the bases facilitate the visual placement of the appliances on the teeth of patients by visually signaling to the practitioner the positioning of the appliance with the base thereof centered on the facial side of the tooth. This invention further facilitates the positioning of an archwire support of the appliance at a position on a tooth that is offset from the facial axis or from the center of the face of the tooth by manufacture of the appliance with the support offset from the center of the tooth-shaped pad. Preferably, the appliance base is a scaled reduction of the profile of the tooth, viewed from its facial side.

Abstract: The invention comprises an asymmetrically shaped matrix band. The asymmetrical shape of the matrix band provides form for molding a dental filling into a shape that closely approximates the asymmetrical and generally trapezoidal shape of a tooth. The matrix band comprises a cross-sectional area that curves asymmetrically in the vertical direction along a curve that is constrained by two radii. The first radius is applied near the top of the matrix band and has a magnitude that is approximately one third of the magnitude of the second radius that is applied at the bottom of the matrix band. The curvature of the cross-sectional area enables the matrix band to also provide form for molding a dental filling with a contact point in the anatomically correct location on a restored tooth.

Abstract: The invention is a supporting structure for a dental model in a dental articulator. The supporting structure includes an articulator plate and a base of the dental model. The base of the dental is provided with at least one cavity extending internally into the base from its bottom surface. The shape of the cavity is determined by the mold forming the base. In one embodiment, the cavity has straight walls. In another embodiment, the cavity is barrel-shaped. The articulator plate is provided with an alignment structure, which may include a pair of straight-walled projections, for use in combination with the straight-walled cavity, or a pair of curved springs, for use in combination with barrel-shaped cavity. The articulator plate is secured to the base by inserting and retaining the alignment structure inside the provided cavities. The articulator plate is provided with a shaft for attaching the dental model to a dental articulator.

Abstract: Endodontic fibers comprising a biocompatible polymer vehicle permeable to medicaments, or combinations of medicaments are described. Such fibers can be used, for example, in a method for the local delivery and sustained release of medicaments to periodontal or intracanal treatment sites. Endodontic fibers described include modified periodontal fibers and intracanal fibers.

Abstract: An endodontic instrument and method of manufacturing an instrument including an elongate member having a longitudinal axis, a proximal end, a distal end and a working length between the proximal and distal ends. The working length is formed with a plurality of surface portions ground from the outer surface thereof along paths extending along the longitudinal axis. One or more edges formed during the initial grinding operations are then at least partially ground down. The ground blank is then physically twisted to form helical cutting and/or debris removal edges extending around the longitudinal axis. The instrument may be a file or reamer used in root canal procedures and may have three, four or more longitudinally extending surface portions and multiple edges. Flexibility of the instrument may also be easily varied according to the invention.

Abstract: A safe gene transfer system is provided based on simian immunodeficiency virus (SIV). A packaging construct is provided in which the SIV packaging sequence is removed, and, in one instance, the gag, pol and other accessory genes are expressed under the control of CMV promoter. SIV transfer constructs are provided in which cis-acting sequences required for viral replication (R, tRNA primer binding site, encapsidation site, RRE sequence and 3′ LTR), with or without a marker gene, are described. Stable packaging cell lines are provided that were prepared by transfecting 293(T) cells with an SIV packaging construct. High titer virus (>107 transducing units/ml) can be produced upon transient transfection with SIV transfer vectors. The safety of the described SIV gene transfer vectors was further tested in a primate model. Rhesus monkeys that received multiple inoculations of high titer (107) retroviral vectors did not develop any signs of side effects.

Abstract: A display device which displays image information in a form perceivable by a blind person. For this purpose, the display device has a plurality of areally arranged elements (1), which are individually actuatable, and an actuation device for actuation of the elements (1), whereby through the elements (1), electronic image information (7) fed into the evaluation device (16) is tangibly represented through the elements (1). The actuator elements may be arranged areally on a flexible substrate (13), which are individually actuatable, whereby through the actuator elements (11), vibrations and/or heat and/or electrical impulses can be generated.

Abstract: An electronic abacus calculator comprising an electronic abacus display screen in combination with a numeric display and an electronic keyboard calculator. The invention also comprises a personal abacus, which comprises a mechanical abacus or an electronic abacus calculator or both in a suitable carrying case, which is designed to open and make the abacus available for use in the case.

Abstract: A system and method for internet-based cognitive performance measurement is provided. Furthermore, a method is provided whereby improvements in statistical accuracy is obtained.

Abstract: The invention relates to a system (20) and a method and signal used for broadcasting of a media package (28). In the media package, a name list is established for a predetermined period of days or on a day by day basis and includes one name for every day of the period. The list could be established by a software program providing names from a name database. A media channel is used for broadcasting a name of the day media package (28) comprising at least a presentation of the at least name corresponding to the day of a broadcast (40). The media channel presents the media package (28) on a display (24), whereby an audience is educated about each presented name and its history.

Abstract: The invention features a method preventing or treating long-term UVB-induced wrinkles in a subject. The method includes inhibiting angiogenesis in the skin of the subject.

Abstract: A rotary connector assembly for an electrical apparatus on a rotating component is presented. The rotary connector assembly has a fixed base for mounting the assembly within the rotating component. The rotary connector assembly is rotatable relative to the rotating component. The attachment has an annular flange at the outer periphery and a mechanism that contacts the flange and supports the rotary connector portion. Connections at the base have terminations to attach incoming wiring and at the rotary portion to attach wiring to the electrical apparatus.

Abstract: A habitable vehicle utility docking apparatus comprises a fixed-half quick connect panel fixed to a habitable vehicle such as a recreational vehicle or a boat, and a removable-half quick connect panel matable therewith. The fixed-half quick connect panel maintains a permanent connection to utilities inside the habitable vehicle. The removable-half quick connect panel is connected via commonly-used hoses and wires to external docking station utility services at a campsite, marina, etc. docking station. This avoids the time and inconvenience of having to make a multiplicity of utility connections and disconnections for each and every coming and going of the habitable vehicle to and from the docking station.

Abstract: A board-to-board connector system is provided that may be used with a flex circuit, interposer, or polymer housing that includes a plurality of contacts that are arranged in an array. Each of the plurality of contacts includes a resilient body. A first conductor is provided that includes at least one wire formed in a spiral extending continuously through the resilient body, and having electrically accessible first and second ends. The first conductor is electrically connected to at least one of a plurality of signal conductor traces on a printed wiring board or the like. A second conductor is provided that includes at least one wire formed in a spiral extending continuously through the resilient body, and having electrically accessible first and second ends. The first conductor and the second conductor are in spaced apart relation to one another, and the second conductor is electrically connected to at least one of the plurality of ground path conductors arranged on the printed wiring board.

Abstract: The present invention provides a heat spreading connector suitable for use with electronic components including those using land grid arrays and pin grid arrays and a method for its use. The connector of the present invention includes at least one dielectric layer and at least one thermally conductive layer.

Abstract: An adapter for attaching a connector having a plurality of pads to a device under test. The adapter is comprised of two types of parts a carrier cradle and at least one circuit substrate. The circuit substrate has plurality of pads formed on a first and second edge. A plurality of circuits are formed on a first side of the circuit substrate, each circuit connecting a pad on the first edge of the circuit substrate to a pad on the second edge of the circuit substrate. The circuit substrate is supported by the carrier cradle such that the pads on the first edge of the circuit substrate align with the first side of the carrier cradle and the pads on the second edge of the circuit substrate align with the second side of the circuit substrate, whereby when the adapter is interposed between the connector and the device under test the circuits electrically connect the device under test to the connector.

Abstract: The present invention provides a junction box that is divided into a base circuit part connectable to an external circuit and fuse and/or relay connection circuit parts. The junction box includes a base module including the base circuit part, and a fuse module including the fuse connection circuit part and/or a relay module including the relay connection circuit, and the junction box is assembled by combining the modules. The base circuit part of the base module includes rectangular vertical bus bars that are aligned in parallel in an internal part of a case, and the case incorporates multiple terminal housing compartments into which terminals connectable to external wire terminals are inserted, each terminal incorporating pairs of grip ends of terminals that grip and connect to the vertical bus bars.

Abstract: A board mountable connector has a pair of mounting portions to be mounted on a board. A mounting aperture is formed in each mounting portion, and a keying protrusion is formed on one of the pair and aligned with the mounting aperture. A pair of openings, corresponding to the mounting apertures in the mounting portions of the connector, are provided in the board. A slot that receives the keying protrusion is aligned with one of the openings. This slot is formed thin, to correspond to the keying protrusion of the mounting portion. The mounting portion serves as a securing means by a bolt as well as a keying means to prevent erroneous mounting. Connector retention is therefore improved while minimizing the area required on the board.

Abstract: An electronic component is obtained by forming a primer plating layer of a material which is poorly wettable to a weld brazing material 3 on a base member 11X of a contact 11 having a terminal section 111 for brazing and a contact section 112, and then forming a finish plating layer of a material which is highly wettable to the weld brazing material on the primer plating layer. An exposed region of the poorly wettable primer plating layer is formed thereafter by selectively removing a portion of the finish plating layer at the terminal section 111 and served as an arresting region for arresting the weld brazing material 3 from creeping up and migrating along the highly wettable plating layer in brazing the terminal section 111 to the brazing pad 22 of a wiring board 2.

Abstract: An electrical connector contact strip including spaced electrical contacts, a body and fusible elements. The spaced electrical contacts each have a main section and a tab section extending from an end of the main section. The body includes dielectric material molded onto the contacts and connecting the contacts to each other. The fusible elements are mounted on the tab sections.

Abstract: An ejection assembly for ejecting a modem from a wireless communication device is provided. The wireless communication device provides communication capability for a personal data assistant. In one embodiment of the present invention, the ejection assembly includes both an ejector sleeve which holds a variety of modems and a lever arm. The ejector sleeve couples the modem with the wireless communication device to establish connectivity between the wireless communication device and the modem. The ejector sleeve also decouples the modem with the wireless communication device and ejects the modem from the wireless communication device. The modem decouples and ejects from the wireless communication device when a user pushes the ejector sleeve into the wireless communication device, thereby rotating the lever arm. The rotation of the lever arm decouples the modem and ejects the modem from the wireless communication device.

Abstract: The invention concerns the devices which make it possible to connect a plug (116) to a radio frequency circuit (207) whilst simultaneously breaking the connection from this radio frequency circuit to an antenna circuit (201). It consists in using the ends of the earth plane (203) and of the antenna circuit (201) in order to directly establish respectively contact between the external casing (116) of the plug with the earth plane (203) when the plug is connected, and contact between a spring connector (204) itself connected to the radio frequency circuit (207) and the antenna circuit (201) when the plug is disconnected. This spring connector (204) is held captive in a cylindrical protrusion (213) on the support (202) for the antenna circuit and the earth plane.

Abstract: A housing is provided in which a first electrical connector is positioned, the first connector being connected to a power supply. A second electrical connector is designed to be received by the housing so that a substantially stable and continuous electrical connection is established between the first and second electrical connectors.

Abstract: An electrical connector for establishing an interconnection between the contact pads of a printed circuit board device under test (DUT) and an electrical device. The connector includes a flexible circuit carrying the interconnect between the DUT and pcb, which is moved into position by the inflation of a bladder that changes its form to press the contacts on the flexible circuit onto the contact positions of the DUT. The bladder is constrained to minimize its expansion. The flexible circuit is not constrained except at the point it is mated with the circuit board of the equipment driving the DUT. The path of the flexible circuit is shaped by fixed formers and terminates at the bladder. This avoids impinging on the DUT area outwith the contact zone. The connector includes variants which have a lock to secure the DUT in place and sensors to determine when the DUT is fully inserted.

Abstract: The internally locking coaxial connector has a conductive insert disposed in an outer body. The insert has a front flange and a lock washer placed between the front flange and an inwardly extending annular flange at the rear of a coupling nut slidable on the outer body. When a male connector is mated with the female connector, the lock washer applies a continuous tension between the male and female connectors to prevent their separation when exposed to vibration or thermal cycling.

Abstract: An electrical connector (3) includes an elongated insulative housing (30), a number of terminals (311, 321, 331) received in the insulative housing. The insulative housing includes a front mating surface (301) adapted for mating with a complementary connector, an opposite terminating surface (302) and a pair of staggered latches (304) at a middle portion of the terminating surface of the housing. The latches extend rearwardly from the terminating surface and each has a hook (305) at a free end thereof for engaging with a printed circuit board (2).

Abstract: An electric connector includes an insulation housing formed with a plurality of terminal slots, two positioning slots formed at two sides of the insulation housing, a plurality of terminals inserted into the terminal slots of the insulation housing, respectively, and two lateral fasteners arranged along and rotatable about a horizontal axis, each of which including a main body having a first end engaged with the corresponding positioning slot of the insulation housing. The first end of the main body is formed with an engagement structure. The insulation housing is formed with resilient members within the positioning slots. Each of the resilient members is formed with an engagement block. When the lateral fastener is inserted into the positioning slot, the engagement block engages with the engagement structure of the lateral fastener.

Abstract: A socket assembly is provided for receiving electronic packages including a cover and a base slidably engaging one another and movable between open and closed positions. The base includes a contact array. The socket assembly also includes a cam member received by the cover and base. Rotation of the cam member actuates a sliding motion between the cover and base. The socket assembly further includes a load bearing member mounted to one of the cover and base, and a wear plate mounted about the load bearing member. The wear plate has a cam reception hole accepting the cam member. The load bearing member and the cam member are located different distances from the contact array to reduce the moment caused by the sliding motion between the cover and base.

Abstract: A resilient locking piece (58) projects from a detector (50). When male and female housings (10, 20) are connected, a lock arm (30) is inclined and the engaging portions (38) return the detector (50). In this state, the detector (50) cannot be pushed in, with the result that a partial connection can be detected. When the connectors (10, 20) are connected property, the lock arm (30) returns to engage an engageable portion (35) with a lock (15) from behind. At this time, a head (59) of the resilient locking piece (58) is opposed to a slanted guiding surface (15B) of the lock (15). Accordingly, the detector (50) is pushed in and reaches a detecting position while the resilient locking piece (58) is guided by the guiding surface (15B) and deformed. In this way, proper connection of the housings (10, 20) is detected.

Abstract: A connector lock mechanism which not only can reduce the number of parts required in male and female connectors to be engaged with each other and the number of assembling steps of the connectors but also can surely detect a partially engaged condition between the male and female connectors. In a connector lock mechanism (31), there is included a connector removing mechanism (48) which is composed of a flexible elastic piece (35) formed integrally with one connector or male connector (32), and a push-out guide surface (41) formed integrally with the other connector or female connector (33) and capable of deforming the flexible elastic piece (35) elastically to thereby generate a push-out force pushing back the two connectors in their mutually removing directions.

Abstract: A power cord retaining device for a portable AC powered tool. A retaining member holds the power cord plug engaged with a mating AC power jack in the housing of the power tool. The retaining member moves within the housing of the power tool from an open position to a closed position. In one embodiment the retaining member slides within the housing of the power tool. In an alternative embodiment the retaining member rotates within the housing of the power tool. In the closed position the power cord plug is held in place engaged with the mating power jack in the housing of the power tool. In an alternative embodiment the retaining member comprises a curved portion and one or more boss portions that facilitate the retention of different sized power cord plug heads.

Abstract: A communication device is provided for use with a handheld computer. The communication device includes an electrical connector and a coupling mechanism. The coupling mechanism is configured to direct a housing portion of the handheld computer towards the electrical connector so as to create an active contact between the electrical connector and a connector of the handheld computer. Alternatively, the coupling mechanism is configured to resist separation of the handheld computer from the communication device so as to maintain an electrical contact between connectors of the handheld computer and the communication device.

Abstract: An electronic apparatus comprises a front shielding assembly with a generally flat front plane edged with a board to board multipin connector and an antenna pin substantially perpendicular to the plane, and a printed wire board (PWB) generally parallel to and in registration with the front plane. The apparatus is manufactured through applying the printed wire board in the registration and allowing the connector's multiple pins and the antenna pin to protrude through corresponding holes in the printed wire board. In particular, the manufacture comprises the following. First, a mechanical centering of the PWB relative to the shielding assembly is effected through the use of a plurality of edgewise disposed parts of the PWB regarding edge parts of the shielding assembly while executing a first part of an approaching movement between the PWB and the shielding assembly.

Abstract: For a connection between two multiple electrical conductors, a connecting arrangement is proposed which consists of a casing that can be disassembled in such a way that even a multiple electrical conductor that has already been laid, for example a round cable, can be connected to additional electrical conductors at any desired point. Under these circumstances, electrical contact with the individual electrical conductors of the multiple conductor that has been laid is made by means of insulation-cutting terminals disposed in the said casing in which an eccentric, which is likewise disposed therein in a rotatable manner, successively forces the electrical conductors, without great expenditure of force, into the insulation-cutting terminals disposed in the form of a circle around the eccentric, and brings them into electrical contact with the severing of the insulation.

Abstract: An electrical terminal adapted for connection with a conductor, comprising a hollow electrically conductive terminal containing a chamber receiving a U-shaped spring, and an opening for receiving a conductor that is biased by one leg of the spring into engagement with a given wall of the terminal chamber, the spring one leg having an operating tab portion that extends through a slot contained in the given terminal wall. A plurality of the terminals may be provided in an outer housing that is formed of an electrically insulating synthetic plastic material.

Abstract: An electronic ignition device for a gas grill is disclosed. The ignition device comprises a housing having a recess therein for the receipt of the battery and a cap with a rotatable clip therein to hold the old battery during the removal process from the recess and to hold the new battery during the insertion process into the recess. The clip and battery remain substantially stationary within the housing of the electronic ignition device as the cap is threadably received thereon. The terminals on the battery engage electrical contacts within the housing of the electronic ignition device after the battery has been inserted therein. An O-ring is provided between the cap and the housing to provide a seal therebetween protecting the electronic ignition device from the outside environment.

Abstract: An electronic equipment comprises a battery storage section that may store two types of rectangular battery which are mutually different in thickness, and a cover that covers the battery storage section, in which the electronic equipment is operative upon receipt of an electric power from the rectangular battery stored in the battery storage section. The battery storage section has a holding member movable between a holding position in which a thin rectangular battery is held and a save position in which it is permitted that a thick rectangular battery is stored in the battery storage section. The cover has a stopper section that stops the holding member at both times when the holding member is at the holding position and when the holding member is at the save position.

Abstract: A apparatus for joining coaxial line sections for high-power RF signals includes a feature that permits the impedance and the electrical profile of the inner joining element to remain comparatively uniform as the sections of coaxial conductor change dimensions with temperature. The apparatus for joining coaxial line sections further includes a feature in the outer joining element that compensates for impedance lumps caused by the nonuniform profile of the inner element at the joints.

Abstract: The present invention discloses a cable fixture for a coaxial connector, and the fixture comprises a metal housing having a hollow cylindrical section, and said cylindrical section at one end has an external cover and an arc-shape lower cover at the other end; the area of said external cover is larger than that of said lower cover such that when an insulator is placed in the cylindrical section, and a cable with terminals are placed on the lower cover, the external cover is bendable to cover cylindrical section, while the upper section covering the cable. Then, the external cover is bent downward to fix onto the cylindrical section, enabling the upper cover and the lower cover to tightly wrap onto the cable.

Abstract: A connector (1, 11) comprises a connector housing (2, 12), a plurality of signaling contacts (3, 13) arranged in a plurality of columns and a plurality of rows, a plurality of first ground plates (4, 16) arranged between every two adjacent ones of and at the outside of opposite outermost ones of the columns, and a plurality of second ground plates (5, 17) arranged between every two adjacent ones of and at the outside of opposite outermost ones of the rows. The first and the second ground plates (4, 5; 6, 17) are connected to each other to form a grid structure to enclose each individual contact in each grid cell. In case of differential signal transmission, each pair of two contacts is enclosed in each grid cell.