Abstract: A household appliance, in particular a household dishwasher, includes an external display, a transmission interface connected for signal transmission to the external display, and a power supply network for supply of electrical energy. The household appliance is isolated from the power supply network after completion of a treatment cycle, and the transmission interface is configured to transmit a signal to activate the external display to display at least the completion of the treatment cycle before the household appliance is isolated from the power supply network.

Abstract: A dish rack is supported for vertical movement relative to a dishwasher tub, with the vertical adjustment being made by manually shifting the dish rack to cause a camming unit of a latching mechanism to cooperate with a follower in establishing at least a lowered position and a raised position for the rack. The camming unit includes a plurality of camming surfaces and ramps establishing multiple tiers upon which the follower is guided while being biased by a spring.

Abstract: A dishwasher including a cutlery basket that has an adjustable compartment. The adjustable compartment receives a cutlery item that is adjustable between a loading position for loading and/or unloading the adjustable compartment and an angled position for carrying out cleaning and/or drying the cutlery item. In the angled position, a first clearance height of the cutlery item is reduced in relation to a second clearance height of the cutlery item in the loading position.

Abstract: An apparatus and method for removing waste from a soiled container that houses laboratory animals and has an opening is disclosed. The apparatus includes a conveyor having a receiving end for receiving containers from a stack of containers. The stack is disposed such that the openings are upwardly oriented. The apparatus also includes a manipulator that aligns with and engages an uppermost container of the stack and causes the uppermost container to be separated from the stack and to be flipped over onto the receiving end of the conveyor such that the opening is downwardly disposed. Waste discarded from the container falls through openings in the conveyor, and a waste receptacle disposed below the conveyor collects the discarded waste. The conveyor advances to transport the container away from the receiving end toward a discharge end of the conveyor.

Abstract: A dishwashing machine including a dishwasher rack that assumes at least two different height positions; a spraying device to apply washing liquor to items to be washed, wherein the spraying device is assigned to the dishwasher rack; a hydraulic system to supply the spraying device with washing liquor; and a coupling with at least two openings to provide a liquid-conducting connection between the hydraulic system and the spraying device at the at least two different height positions and at at least two tilt positions. The at least two different height positions and the at least two tilt positions are assigned to at least one of the at least two openings to establish the liquid-conducting connection.

Abstract: A processing chamber for post-wet-etch removing of drying fluid (DF) is disclosed. The chamber includes a chamber wall surrounding a processing volume and a plurality of nozzles disposed annularly about the processing volume and arranged into a set of nozzle rows that includes at least one nozzle row. The chamber also includes a plenum and a set of manifolds coupled to the plurality of nozzles to deliver the supercritical CO2 to the plurality of nozzles. Each nozzle has a nozzle outlet directed toward an interior portion of the processing volume and the nozzles are configured to flow the supercritical CO2 toward the substrates in a manner that minimizes recirculation loops and vortices.

Abstract: A controllable automatic umbrella unfolding device includes an upper runner, a middle runner, a lower runner and a center bar. The upper runner is fixed at the top end of the center bar, the middle runner and the lower runner of the umbrella are movably sleeved on the center bar, the upper runner is connected with long ribs, the long ribs are connected with short ribs, the middle runner is connected with branch ribs, the branch ribs are connected with the short ribs, the short ribs are connected with the lower runner, a gas spring is disposed in the center bar, the tail end of a cylinder barrel of the gas spring is connected with the middle runner of the umbrella, a valve is arranged at the end of a piston rod of the gas spring, and a valve opening device is disposed corresponding to the valve.

Abstract: A portable canopy can be deployed either on a vehicle or on a paved area. Depending on the amount of tension of its elastic corner straps, the canopy can be deployed in a convex configuration, so as to arch over the cab of a vehicle, or alternatively in a substantially flat configuration, so as to cover a pavement. A series of coil spring strips within the canopy urge it to curl up around its longitudinal axis, so that, when the corner straps are released on one side, that side is lifted by the contraction of the coil strips, thereby expelling accumulated snow/ice to the other side of the vehicle or pavement.

Abstract: A lock for a ram shaft of a blowout preventer has a ram shaft controlled by an actuator, the ram shaft having a ram block end and a locking end, the locking end having an internal cavity that extends along an axis of the ram shaft, and a locking pin in the internal cavity. The locking pin has a release position retracted into the internal cavity, and a locking position extending from the internal cavity. A rotational stop engages the ram shaft and prevents the ram shaft from rotating. A locking pin stop is secured relative to the actuator, the locking pin stop engaging the locking pin in the locking position to prevent axial movement of the ram shaft.

Abstract: An operation for securing and coupling a coupling flange and a fluid device mounted through the interior of a valve case of a sluice valve for operations can be performed with good efficiency from the exterior while sufficiently ensuring the external mounting depth of the coupling tube part on the coupling flange and while facilitating the attachment of pulling and securing means and ensuring the attachment strength.

Abstract: Apparatuses for restricting fluid flow through a well conduit comprise a tubular member having a seat member disposed within the tubular member for receiving a plug element. One or both of the seat member or the plug element comprise at least one shape-memory material to facilitate the plug element being able to land on the seat and/or to facilitate the plug element to pass through a seat member or other restriction in the tubular member either before or after landing on a seat.

Abstract: A device (1) for draining a tank of fluid under pressure pertaining to a space system includes a pyrotechnic actuator that is suitable to perforate a conduit (2) in fluid communication with the tank, the device including a collar (4) that is suitable to enclose the conduit, the collar bearing: a pyrotechnic cartridge (5) for perforation, oriented radially towards the conduit (2), and an anvil (11), diametrically opposed to the cartridge in relation to the conduit, that is suitable to collect debris generated by the perforation.

Abstract: A check valve for an aircraft galley plumbing system comprises a valve body including an inlet for a potable water supply line, and first and second outlet ports leading to a distribution manifold. In a preferred embodiment, quick disconnects that include reverse flow inhibitors seal the valve's output ports. A vertical channel extends through the valve body for draining water through the valve, which is coupled to a pressure line connection port that exerts pressure from the aircraft's pressure system. A piston reciprocating across the vertical channel and biased by a spring is in fluid communication with the pressure line connection port, such that when a water pressure is introduced from a water pressure line to the pressure line connection port of sufficient to collapse said spring, the piston blocks said channel, and when the water pressure is insufficient to collapse said spring then the piston retracts to open said channel, allowing fluid to pass thereinthrough.

Abstract: The present invention concerns a valve (1), a valve closing body (14) and use of a valve (1) and a valve closing body (14) of the type used for injecting dry powder which is mixed with liquid, and where the dry powder is supplied under the liquid surface in a mixing vessel (11) in which a vacuum is typically maintained. The novel feature of a powder valve (1) according to the invention is that a closing body (14) of the valve in the closed position extends through the valve seat (13) of the valve and into the wet environment. It is hereby achieved that when the valve (1) is opened, powder or dust from powder is not deposited on the valve closing body (14). This is in spite of the valve closing body (14) being wet, due to contact with the liquid to which the powder is added. Due to its elongated shape, the valve closing body (14), which in the withdrawn position opens for inflow of powder, has the property that the inflowing powder dries the valve closing body (14) at first and keeps it dry subsequently.

Abstract: A pipeline control unit that connects two conduits attached to opposing sides of a housing with an attachable pressure cover plate and a valve servicing assembly that can be installed onto the housing to form a fluid-tight structure. A pipeline control mechanism can be mounted in an access opening of the pipeline control unit to enable a user to selectively control fluid flow through the housing. The pipeline control unit allows the removal and replacement of the pipeline control mechanism without depressurizing a pipeline system.

Abstract: The present invention provides a hose management system for a plumbing fixture fitting.

Abstract: A spool valve includes a housing having a spring-enclosing portion and a spool-enclosing portion aligned along a longitudinal axis. A spool is mounted for reciprocal axial movement in the housing and a piston is fixed to one end of the spool. The spool-enclosing portion supports a stationary bushing having a bore receiving an opposite control end of the spool, the bushing formed with a first plurality of radially-oriented passages opening into an annular groove formed in the bore, the groove having sloped side edges. The spool supports plural ring-seals arranged to engage the sloped side edges of the annular groove and thereby seal off the radially-oriented passages when the spool is in a neutral position. Movement of the spool is adjustably limited in one direction and dampened in both axial directions.

Abstract: A water pressure regulator includes a sealing member and a body having a diaphragm assembly. The diaphragm assembly is positioned and secured within the body to define first and second chambers. The diaphragm assembly has a force acting thereon from within the second chamber. The first chamber defines first and second zones and a passageway therebetween. An inlet of the body is configured to provide water to the first zone and an outlet of the body is configured to deliver water out of the second zone. The sealing member is positioned within the first zone. The sealing member seals the passageway by a force of the water in the first zone acting upon the sealing member and by a gravitational force acting upon the sealing member. The sealing member is formed in the shape of a spherical ball. The water pressure regulator may be used in a watering system.

Abstract: Disclosed is a check valve for a variable capacity compressor of a vehicle, which includes a valve seat including a refrigerant introduction hole, a valve case disposed above the valve seat, and including refrigerant discharge holes along a circumferential surface of a cylindrical body thereof, a spool valve disposed within the valve case to selectively open and close the refrigerant introduction hole and the refrigerant discharge holes, and an elastic member disposed between the valve case and the spool valve.

Abstract: The present invention relates to a pump assembly (5) for a supply unit, in particular a tank container (1), comprising: a pump line (51; 51r, l) for conveying a liquid medium between a container (3) and a removal connection, a pump (55) arranged in the pump line (51), and a feed connection (58), which is connected to the pump line (51) via two connecting lines (57). Here the pump (55) acts between the two connecting points (57a) of the connecting lines (57) in the pump line (51). The medium can therefore be delivered as desired directly by the pump (55) between the feed connection (58) and the container (3), between the container (3) and the removal connection (52), or between the feed connection (58) and the removal connection (52). The invention further relates to a fuel supply unit having a pump assembly (5) according to the invention and a container (3).

Abstract: Disclosed is a device for causing turbulent flow in a tank assembly that includes, inter alia, a base portion and a vane element that extends in an axial direction from the base portion. The vane element has a curved surface formed at a distal end thereof which is adapted and configured to redirect fluid traversing the device axially in a non-axial direction. Still further, a plurality of shoulder elements extend radially outward from the axis of the vane element and are adapted and configured for limiting that axial insertion of the device into a fitting associated with the tank assembly. In an embodiment of the present invention, the vane element includes lateral edges which are adapted and configured for press-fit engagement with an inside diameter of the fitting associate with the tank assembly.

Abstract: Disclosed are various apparatus and method for transferring a hydrocarbon fluid between two bodies. To this purpose, a transfer skid and transfer hoses are moved from a first body to a second body to be installed thereupon to provide fluid communication between the two bodies. Offloading of hydrocarbon fluid may then take place between the two bodies. Emergency release operation may be triggered during the offloading, where the transfer hoses are disconnected from the transfer skid, and are returned to the first body. Various features of the transfer skid and associated apparatus allow the transfer skid to be installed on the second body with improved mating connections, transfer hoses to be returned to the first body after offloading operation without hydrocarbon fluid leakage, and transfer hoses to disconnect with speed and safety during emergency release operation.

Abstract: Disclosed are various apparatus and method for transferring a hydrocarbon fluid between two bodies. An offloading system for facilitating hydrocarbon fluid transfer between two bodies includes a transfer skid and a lifting system. The transfer skid is movable from a first body to a second body to be installed thereupon to facilitate hydrocarbon fluid transfer to and from the first and the second bodies. The lifting system may be provided on the first body, and includes an extendable lifting arm; a spreader frame attachment which includes at least a first and a second lifting device to support the transfer skid, wherein the spreader frame attachment is rotatably coupled to the extendable lifting arm to allow angular or rotatable adjustment of the transfer skid in a horizontal plane.

Abstract: A manifold trailer comprises at least one main line having a plurality of discharge connectors and a plurality of articulating arm assemblies which are each connected to a corresponding discharge connector. Each arm assembly comprises a connector member which includes an inlet port, an outlet port and a third port which is located generally opposite the outlet port and is closed by a removable plug member. Each arm assembly also includes an articulating conduit assembly which comprises a first end that is connected to the inlet port and a riser swivel which is connected to the outlet port. During deployment of the arm assembly, a second end of the conduit assembly is connectable to a pumping unit to thereby fluidly connect the pumping unit to the main line.

Abstract: A valve device includes a housing (2) and a valve piston (4) axially displaceable in a piston bore (3) of housing (2). First and second load connections (A, B) can alternately be connected to a pressure connection (P) and to tank connections (T1, T2) by moving the piston from an idle position by first and second solenoids (5, 6). First and second pilot control chambers (7, 9) pressurize first and second piston back sides (8, 10) of the valve piston (4). The pressure in the pilot control chambers (7, 9) is controlled by first and second pilot control pistons (12, 13) movable by the solenoids (5, 7). The pilot control chambers (7, 9) are connected via a connection (11) to the pressure connection (P). The pilot control pistons (12, 13) open or close connections (14) between the pilot control chambers (7, 9) and the tank connections (T1, T2).

Abstract: A switching apparatus for a fluid flow with a first fluid-conducting connection (5) and a second fluid-conducting connection (6) between first and second treatment devices (3, 4) has a first pair of switching levers (11, 12) assigned to first and second distributor valves (7, 8) and a second pair of switching levers (15, 16) assigned to third and fourth distributor valves (13, 14) arranged in different planes. The switching levers (11, 12) of the first pair can be actuated by an operator without obstruction with the switching levers (15, 16) of the second pair, and vice versa.

Abstract: The present invention provides methods and apparatus for controlling gas flow to a semiconductor-processing chamber. The invention includes deactivating ratio setpoint feedback control in a flow ratio controller; initiating gas flow through the flow ratio controller; moving valves of the flow ratio controller to a preset position based on a stored position when an upstream pressure reaches a stored upstream pressure value, wherein the stored position and the stored upstream pressure value were stored during a prior process run; determining that steady state flow ratio controller output flows have been reached; and activating ratio setpoint feedback control in the flow ratio controller. Numerous additional features are disclosed.

Abstract: In a solenoid valve control device, a plurality of solenoid valve blocks are connected in series with respect to a solenoid valve control unit. A solenoid valve operating circuit of a given solenoid valve block, to which a block selection signal from a block selection line is supplied, operates plural solenoid valves of the same given block, based on the block selection signal.

Abstract: Block valve with emergency input, in particular for vacuum line or network, comprising a valve body traversed by a main fluid passage between a first orifice located at an upstream end of the said main passage and a second orifice located at a downstream end of the said main passage. The valve body further comprises a control device comprising a member operable manually by an operator and movable between at least an open position in which the said control device allows fluid communication between the first and second orifices, and a closed position in which the said control device interrupts any fluid communication between these orifices. An auxiliary fluid passage is fluidly connected via its upstream end to the said main passage between the control device and the first orifice, and comprises a third orifice at its downstream end.

Abstract: A hollow, cylindrical water hammer arrestor includes an axial passage; two externally threaded extensions disposed at both ends respectively, each of the externally threaded extensions having a diameter less than that of the axial passage; a plurality of first rings disposed in the axial passage, each of the first rings having a plurality of teeth formed on an inner surface; and a plurality of second rings disposed in the axial passage, each of the second rings having a smooth inner surface. The first and second rings are alternately disposed from one end of the axial passage to the other end in the axial passage.

Abstract: A plug for a connector includes an insertion portion, and the insertion portion includes an O-ring abutment portion and a creep prevention portion. Also, when the insertion portion of the plug for a connector is inserted in a mouth portion of a connector, the O-ring abutting portion abuts against an O-ring mounted inside the connector, and closes the mouth portion of the connector. Also, the creep prevention portion prevents a creep of a lock member which is in a standby position.

Abstract: An apparatus and method for repairing defects in composite materials using a tapered disk sized to fit the part being repaired. Also included is a bolt sized to fit through a central hole in the disk. A spring is positioned on the bolt with a washer. A nut is attached to the end of the bolt and tightened to place pressure on the washer to compress the biasing device. An adhesive is applied to the tapered disk prior to engaging the composite material. A threaded bushing is used to fixedly attach a second bolt completely in the hole.

Abstract: A pipe having variable cross section and including a working core pipe, capillary pipes or sheets, an outer pipe, a connection support, and a cavity. The capillary pipes or sheets are attached to an external surface of the working core pipe. The connection support connects the working core pipe and the outer pipe. The cavity is formed between the working core pipe and the outer pipe and has variable cross section.

Abstract: A reinforcing bar binding machine is provided with a device for detecting a power supply voltage during a binding wire twisting step subjected to the heaviest load and comparing the power supply voltage with a predetermined CPU operation voltage, and a control device for driving a motor in a reverse direction when the voltage has dropped below the predetermined CPU operation voltage. The power supply voltage during operation is monitored, and twisting operation is suspended before the voltage drops below the CPU operation voltage, whereby the binding wire twisting mechanism is returned to the initial position. Therefore, it is possible to prevent the binding wire twisting mechanism from being stopped while grasping the binding wire, when the CPU stops.

Abstract: A dispensing system includes a detection device and a dispenser configured to dispense at least one of ice and a liquid. The detection device is configured to detect a container positioned with respect to the dispenser and generate a first signal representative of the container position. The dispensing system also includes a controller coupled to the detection device and the dispenser. The controller is configured to determine a stability of the container and activate the dispenser to dispense at least one of an amount of the ice and an amount of the liquid into the container based on the first signal and the determined stability of the container.

Abstract: One embodiment of the present invention relates to a method for inflating a chamber within an inflatable avalanche safety system. The method includes providing an inflatable avalanche safety system including an inflatable chamber; receiving a user-triggered action intended to activate the avalanche safety system; transmitting ambient air from an external region to within the inflatable chamber; and inflating the inflatable chamber entirely with the transmitted external ambient air to a particular internal pressure and shape configured to protect the user from burial during an avalanche. The transmission of ambient air within the inflatable chamber may be accomplished with a fan or an electrical component.

Abstract: An exemplary embodiment can be inflator having an integrated compressor and carry handle. The compressor can include a housing having a top surface contoured to form at least a first portion of a first container holder. The carry handle can he foldable between a first upright carry position and a second folded position wherein the carry handle lies flush with a top surface of the compressor housing. The carry handle can include an inner grasping area contoured to form at least a second portion of the first container holder when the carry handle is in the folded position and wherein the carry handle second portion of the first container holder is complementary to the compressor housing first portion of the first container holder.

Abstract: A filling system for a detergent vessel comprises a reservoir (2) having a dispensing nozzle (3) and a detergent vessel (16) having a filling spout (15). The nozzle has a collar with engagement means which when inserted into the filling spout engage a portion of the filling spout providing an effective seal.

Abstract: A protective cover for handbags and like objects is provided, which comprises a portable and self-contained storage pouch. The protective cover can be attached to the exterior of a handbag by various mechanisms and can comprise one or more carrying straps. The protective cover can be made from a durable, water resistant and germ resistant material capable of preventing dirt, moisture and harsh chemicals from reaching the handbag. This protective cover can also prevent germ contamination of the handbag or other surfaces by removing it from the handbag and washing it after use.

Abstract: A wheel assembly includes a rim, a rib surrounding and radially spaced apart from the rim, and a resilient member that engages the rib. The resilient member is tied to the rim, such that the rim is resiliently held in relation to the round rib at least in part by tension in the resilient member.

Abstract: Tire including a continuous pressure membrane. The tire includes a carcass, a rubber layer surrounding the carcass, and a belt. The carcass includes at least one continuous pressure membrane defining a generally U-shaped cross section. The pressure membrane includes a crown portion, a first sidewall portion, and a second sidewall portion connected with the first sidewall portion by the crown portion. The belt may be composed of at least one additional continuous pressure membrane adjacent the crown portion.

Abstract: A pneumatic tire has a shoulder land portion including a tread edge and a plurality of lateral grooves which are open to an outer wall of the shoulder land portion in a tread surface. One end in a tire circumferential direction of the outer wall is positioned on an inner side in a tire width direction with respect to another end between the lateral grooves which are adjacent to each other. A vacancy communicating with the lateral groove from the one end of the outer wall is formed so as to face the outer wall. A pawl portion protruding in the tire circumferential direction is provided in a wall surface of the lateral groove which is close to the other end of the outer wall. A height of the pawl portion from a bottom of the lateral groove is gradually decreased toward a leading end.

Abstract: A farm vehicle tire (1) having a tread (2), which has a toroidal base surface (3), and a number of lugs (5), each extending radially outwards from the base surface (3) and having a front wall (6) and a rear wall (7) with respect to a given rolling direction (8); the leading edge (11), with respect to the rolling direction (8), of the section of each lug (5) along any plane (12) perpendicular to an axis (4) of rotation of the tire is in the form of an involute curve outward of the base surface (3).

Abstract: Tire provided with a tread surface and lateral faces intersecting at two corner edges to determine a total width of tread between the said two corner edges, provided with grooves of depth H opening onto the tread surface and delimited by faces of material which are distant by at least a width equal to 2 mm, a plurality of grooves on at least one of the opposing faces that delimit them with at least one profiled protrusion delimited by a radially external surface and by a radially internal surface, the radially external surface being closer to the tread surface than the radially internal surface, meeting at those points of the protrusion that are furthest away in the direction of the groove, each of these radially internal and external surfaces of each protrusion has, in a plane of section parallel to the faces delimiting the groove, a profile of length greater than the length of the profile of the radially internal surface.

Abstract: A pneumatic tire, wherein the central narrow groove includes an arc, the inner diameter side of the arc is facing towards the tire ground contact edge side, one end is open to another adjacent central narrow groove and the other end is open to the circumferential main groove on the inner side area side. A first central sipe is disposed between adjacent central narrow grooves, and connects the central narrow groove and the circumferential main groove on the inner side area side. One end of the notch portion is open to the circumferential main groove on the outer side area side, and the other end terminates within the central land portion. A second central sipe is disposed between adjacent notch portions. One end of the second central sipe is connected to the circumferential main groove on the outer side area side and another end terminates within the central land portion.

Abstract: A pneumatic tire for improving steering stability performance on dry and wet road surfaces. The tire tread pattern has circumferential center main grooves, outside and inside main grooves, land sections demarcated by the main grooves, ground contact borders on both sides of the tire, and closed shoulder lug grooves. A ratio Wmax/Wout of a maximum main groove width Wmax and an outside main groove width Wout is at between 1.5 and 2.5 inclusive. A ratio Sin/Sout of a groove area ratio Sin of a region on a tire-widthwise second side of a tire centerline and a groove area ratio Sout of a region on a first side of the tire centerline is at least 1.10 and smaller than 1.25. A groove area ratio of a region on the second side of a tire-widthwise centerline of the intermediate land sections exceeds that of a region on the first side.

Abstract: A non-pneumatic tire for supporting a load by working in tension comprising a generally annular inner surface, a generally annular outer ring, and an interconnected web having a plurality of web elements and comprising a plurality of generally polygonal openings. Web elements are sized, oriented and comprised of a material that facilitates buckling when subjected to a compressive load. By buckling, those elements in a deformed portion of the tire between a hub and a footprint region where the tire contacts a surface may assume a significantly reduced portion of the load, if any. This causes web elements in other portions of the interconnected web to operate in tension to support the load. With the portion of the tire in the footprint region not bearing a significant portion of the load, non-pneumatic tire may exhibit a more comfortable ride subject to less noise and vibration and improved handling capabilities.

Abstract: Without decreasing the strength in the axial direction of the cord, and without increasing the thickness in the radial direction, a steel cord for reinforcing a rubber article, which improves durability against cut, as well as a construction vehicle tire utilizing the steel cord for reinforcing a rubber article as a reinforcing material is provided. A steel cord for reinforcing a rubber article is formed by twisting a plurality of sheath strands 2 formed by twisting a plurality of wires around a core strand 1 formed by twisting a plurality of wires, wherein the core strand 1 is constituted of a 4-layer-twisted structure and the diameter of the steel cord is 5 mm or larger.

Abstract: A pneumatic tire in which an inner liner including a film mainly made of thermoplastic resin is attached to an inside of the tire via a tie rubber sheet, on an inner side of a carcass layer, and which has a lap-splice portion where end portions of the film in a tire circumferential direction overlap each other in a tire widthwise direction with tie rubber therebetween. A section of the film on a tire cavity side in the lap-splice portion has a portion where the film is thin over part or entirety of the width in the tire widthwise direction before the lap-splice portion, or a film thickness in the lap-splice portion is smaller than a film thickness in a portion other than the lap-splice portion. Thus, the pneumatic tire has no crack developing around the lap-splice portion of an inner liner layer after running, and has excellent durability.

Abstract: A portable, handheld, light-weight device for sealing seams between adjacent sheets of flooring in which a seam following guide is incorporated as an inseparable part of the body of the handheld device. The guide has a pair of laterally separated rollers carried by a roller mounting that has a narrow, seam following element located midway between the rollers. A support on the body may be extended to hold a sealant dispensing tip out of contact with the adjacent sheets of flooring, or collapsed to allow the tip to contact the adjacent sheets of flooring that are to be sealed together with sealant therebetween. An electrically powered propulsion system drives the rollers and is operable to automatically advance the device along a seam as sealant is discharged into it. Alternatively, the device can be manipulated manually with the propulsion system disabled for use in detail work.