Abstract: A movable puzzle platform includes a puzzle board and a board accessible unit. The puzzle board has a bottom for supporting on a playing surface, and a top surface for playing puzzle piece thereon. The board accessible unit is coupled at the bottom of the puzzle board for sliding on the playing surface, wherein the board accessible unit provides accessibility for the puzzle board to move the puzzle board at different planar directions with respect to the playing surface. Therefore, a player is able to move the puzzle board on the playing surface at a desired orientation to assemble the puzzle pieces on the top surface of the puzzle board.

Abstract: An adhesive dispensing system for applying liquid adhesive to a substrate using different nozzles with the same manifold is disclosed. The adhesive dispensing system includes a manifold having a body, a first clamp configured to engage the body of the manifold, a second clamp configured to engage the body of the manifold, and a nozzle. The first and second clamps secure the nozzle to the body of the manifold. The body of the manifold has a first contact surface that engages the first clamp and a second contact surface that engages the second clamp and the nozzle, where the second contact surface is angularly offset from the first contact surface.

Abstract: A gas blower device for blowing gas onto a surface of a traveling strip includes a plenum in the form of a hollow box for containing gas and comprising two side surfaces, a back surface and a front surface opposite to the back surface. The front surface having a profile of convex type symmetry with respect to a mid-plane perpendicular to the plane of the strip, so that a middle ridge of the front surface is located at the smallest distance from the plane of the strip. The front surface further presenting multiple tubular nozzles protruding at the front surface and having a gas outlet orifice facing in use the traveling strip. All the outlet orifices are essentially in a plane parallel to the strip plane. The gas blower device further includes a gas intake tube for feeding the plenum with gas.

Abstract: A beverage maker may include a fermenter having an opening, a fermentation lid configured to cover the opening of the fermenter, a gas discharge channel configured to communicate with an inside of the fermenter, a gas discharge valve connected to the gas discharge channel, and a gas discharge end fitting through which a gas passing through the gas discharge valve passes and which is provided with a mesh.

Abstract: A spray tip including a spray tip body and flow control element is provided. The flow control element includes a pre-orifice through which fluid can enter a primary fluid passage of the spray tip body. First and second discharge orifices are provided in a dome-shaped end wall of the spray tip body with each of the first and second discharge orifices being arranged on a respective one of opposing first and second sides of an apex of the dome-shaped end wall. Each of the first and second discharge orifices having an elongated slot-like configuration that maintains a substantially constant width as the respective discharge orifice extends from a first end to a second end and each and each extending a substantially equal distance to either side of the apex of the dome-shaped end wall.

Abstract: A hose clearing apparatus has a cylindrical body, a fluid coupler on the rear side, and a fluid nozzle on the front side. A method of clearing a hose involves coupling a fluid to the fluid coupler, adjusting the fluid nozzle to achieve the desired spray, powering on the vacuum with the hose coupled thereto, inserting the front of the body and accompanying nozzle into the hose, and allowing the hose to traverse through the hose.

Abstract: A pressure washer includes a motor configured to drive a pump, a frame having first and second end portions, a handle having first and second end portions, and a rotating joint rotatably coupling the first end portion of the handle to the second end portion of the frame. The rotating joint includes a locking mechanism to selectively lock the position of the handle relative to the frame. The handle rotates between a storage position and an extended position. In the storage position, the second end portion of the handle is positioned near the first end portion of the frame such that the motor and the pump are located within a volume defined by the first and second end portions of the handle and the frame. In the extended position, the second end portion of the handle is spaced apart from the frame.

Abstract: A porous sintered body with an electrically conductive coating is provided. The sintered body has an open porosity in a range from 10 to 90%. The electrically conductive coating is bonded to the surface of the pores and is part of a heating device in a vaporizer. The electrically conductive coating lines the pores located in the interior of the sintered body so that when the sintered body is electrically connected and a current is applied, the current flows at least partially through the interior of the sintered body so that the interior of the sintered body is heated. A method for producing a porous sintered body with an electrically conductive coating is also provided.

Abstract: Spraying heads may be used in spray guns for applying a pressurized aerosol material in the form of jets or spray. A spraying nozzle for spraying a polyurethane material includes a cylindrical body provided, on a first end, with a base having a mounting aperture extending into the cylindrical body, forming a cavity for arranging a head of a gun. The base of the nozzle is in the form of oppositely-disposed leaves. A second end of the body is provided with a cylindrical shoulder, a through-bore of which is communicated with a V-shaped and laterally non-closed recess at the region of an outlet of the sprayed material. Oppositely arranged plate-like protrusions adjoin a lateral surfaces of the cylindrical shoulder. A mounting aperture end which adjoins the base has a circumferential cut. The spraying nozzle is provided with an attachment means used when in an inoperative position.

Abstract: An air dispenser for a paint drying chamber having a housing with a top, bottom, and a curvilinear wall extending between the top and the bottom. The wall has an elongated outlet extending between the top and the bottom and an air outlet is formed in the top or the bottom. The wall is generally circular in cross-sectional shape but with an outwardly protruding wall section adjacent the air outlet.

Abstract: One or more fluid streams are uniformly divided into two or more partial fluid streams in chemical apparatuses in a manner such that there is a reduced tendency to form deposits. Division of such stream(s) is achieved by using a distributor device that includes at least one plate having two or more openings which openings are rounded or chamfered on at least one side.

Abstract: The method for flame spraying thermoplastic powders provides to heat the article to be coated at a suitable working temperature and to feed the said thermoplastic powders, transported by an inert gas, a flow of compressed air and a flow of liquefied petroleum gas through respective separated discharge chambers (7, 9, 12), shaped inside a mixing device (1) of a spray gun. The thermoplastic powders are then projected, in a resulting flow (30), on the heated surface of the article to be coated, to determine the melting of the same powders at their contact with said heated surface. At least one couple of flows (31, 32) of compressed air is sprayed converging towards the resulting flow (30) flowing out of the mixing device (1), giving the resulting flow (30) a substantially flattened fan shape.

Abstract: A slit nozzle for dispensing liquid onto a surface of a wafer, comprises a nozzle body having a discharge opening whose length is from 10-100 mm and whose width is from 0.5-5 mm. The nozzle body has a dispensing chamber positioned upstream of the discharge opening and extending to the discharge opening, and a liquid distribution chamber positioned upstream of the dispensing chamber. The dispensing chamber and the liquid distribution chamber are in fluid communication with one another and are separated by a reduction section of the nozzle body whose cross-sectional area is at least 20% less than a cross-sectional area of each of the discharge opening and the liquid distribution chamber.

Abstract: A polyurethane spraying system minimizes emissions of a polyisocyanate while spraying a mixture of a polyisocyanate and a resin composition onto a surface. The system includes a first reactant supply tank including the resin composition. The system also includes a second reactant supply tank including the polyisocyanate. The system further includes a non-gaseous pump that is coupled with the first and second reactant supply tanks, a mixing apparatus that is coupled with the first and second reactant supply tanks for mixing the resin composition and the polyisocyanate prior to spraying, and a particular spray nozzle that is coupled with the mixing apparatus. The polyurethane spraying system produces less than 50 parts of the polyisocyanate per one billion parts of air according to the NIOSH 5521 Impingement Method while spraying the mixture onto the surface.

Abstract: Nozzle orifice shapes and configurations associated with regulating and directing a flowing body of water over a water attraction riding surface for performing board-riding maneuvers is described. The nozzle orifice shapes and configurations according to the present invention includes shapes and configurations allowing for a flow of water over a ride surface which may include complex shapes which do not lend themselves to use with existing nozzle technologies. The present invention also includes nozzle arrays which may be made up of two or more nozzles arranged substantially adjacent or within close proximity to one another to create beneficial flow characteristics for performing board riding maneuvers on a complexly shaped riding surface.

Abstract: The present invention provides an attachment for emitting water from a water source. The attachment comprises an inlet end, a transitional section connected to the inlet end an outlet end connected to the transitional section opposite from the inlet end, and a reinforcement member attached to the transitional sectional and the outlet end to support the transitional section. The inlet end includes an external cover and an internal sleeve disposed within and spaced from the external cover.

Abstract: A slit nozzle of a liquid coating apparatus which discharges a liquid on a substrate, the slit nozzle includes a first nozzle part, a shim having an outlet configured to discharge the liquid and a second nozzle part facing the first nozzle part with the shim interposed therebetween. At least one of the first nozzle part and the second nozzle part has a sloping portion to prevent the discharged liquid from adhering to the slit nozzle.

Abstract: Disclosed herein is an apparatus and method of constructing a stationary wear-resistant stationary nozzle 200 and/or nozzle liner 230 for solid fueled furnaces. A transition section 210 is constructed from several flat pieces 211-218 several that may have identical starting shapes. This reduces manufacturing complexity and costs. All pieces 211-218 have a high-wear weld overlay on their inner surface 316, 416. Corner pieces 215-218 are folded into a corner shape at an outlet edge 412 and rolled into a curved shape at an inlet edge 411. Horizontal 211, 212 and vertical pieces 213, 214 are only rolled at an inlet edge 311. The pieces have seam tab 240 along longitudinal edges that are welded together to construct a transition section 210. The transition section 210 may be used as a liner to reduce wear in an existing stationary nozzle or may be constructed to be connected to an inlet piece 220 to form a strong, wear-resistant coal nozzle 200.

Abstract: Disclosed herein is a nozzle tip coupled to a nozzle header so that washing water is sprayed toward a substrate during a process of washing the substrate, the nozzle tip including: a flange having a hollow part formed therein; and a pipe body having a discharging slit formed in a front end portion thereof so as to be communicated with the hollow part of the flange.

Abstract: The present invention relates to a device for controlling the thickness of a coating made of a liquid film on a moving strip (3), comprising a nozzle (1) fed with a pressurized fluid (6) in a chamber (2) of the nozzle, said chamber (2) being terminated by nozzle lips (11) making an elongated discharge opening (12) for discharging the pressurized fluid onto the moving strip (3), said chamber (2) comprising also a perforated baffle plate (8) obstructing a cross-section L×h of the chamber (2) in the fluid flow, the perforated baffle plate (8) having a number of holes (13) so that the total surface of said holes (13) is higher than 90% of said cross-section and having a thickness Th higher than 3 times the individual diameter of any of said holes (13) and higher than 3 mm, characterised in that the perforated baffle plate (8) has a honeycomb geometry, i.e. a geometry having cells (13) with hexagonal section.

Abstract: A wide slit nozzle having a slit as a discharge opening. The thickness of a lateral end part is set smaller than the thickness at a lateral center part. The thickness of the lateral center part is fixed. The thickness of the lateral end part changes linearly from opposite lateral ends of the lateral center part to the opposite lateral ends of the slit. Coating material is discharged from the slit while applied with pressure, so that the coating material is coated while expanded wider than the width of the slit. The coating material is discharged at 7 liter per minute, and a coating width of a first example is 100 mm, for example. A thickness increase of the overlapped part is +25% even when a width or an overlapped margin z of the overlapped part is 10 mm or 20 mm.

Abstract: A liquid ejecting apparatus having a storage portion (20) for storing a treatment liquid, a slit-shaped opening portion (41) for ejecting the treatment liquid, and a connecting passage (42) that has a slit-shaped cross-section and connects the storage portion (20) to the slit-shaped opening portion (41) includes: a valve body portion (50) that is provided in the storage portion (20) to cover the connecting passage (42), and forms a gap (22) together with a lower wall (43) of the storage portion (20) so that the treatment liquid is caused to flow into the connecting passage (42) through the gap (22); a first curved surface portion (44a) that smoothly connects a surface of the lower wall (43) of the storage portion (20) to an inner wall surface (42a) of the connecting passage (42); and a second curved surface portion (51a) that is provided on the valve body portion (50) so as to project to an identical side to the first curved surface portion (44a).

Abstract: A straw for dispensing fluids includes a first end, a second end opposite the first end, an outer surface, and at least one aperture extending from the first end to the second end defining an inner surface. The aperture has a non-circular cross-sectional shape, such as an oval, an ellipse, a tear drop, and the like. The straw is made of a durable, non-toxic material, such as thermoplastic material that is suitable to withstand a temperature of the fluid of up to 212 degrees Fahrenheit, while preventing toxin release related to common cold beverage straws when immersed in hot beverages.

Abstract: A pressurized air-assisted liquid spray nozzle assembly having an air direction member that defines a central longitudinal airflow passage having an upstream end for coupling to a pressurized air supply and a plurality of cross-passages for directing a plurality of pressurized air streams radially outwardly, a liquid direction guide disposed in surrounding relation to the air direction member having a plurality of circumferentially spaced liquid passages extending transversely across the cross-passages for intersecting pressurized liquid and air streams and pre-atomizing the liquid, a downstream expansion chamber for receiving pre-atomized liquid, and discharge orifice communicating centrally with the expansion chamber for emitting a predetermined atomized liquid spray pattern.

Abstract: A nozzle is provided for dispensing a liquid from a container in a desirable, nearly rectangular spray pattern. The nozzle includes an actuator having an inlet end adapted to receive liquid from the container and an outlet end, the actuator outlet end defining an outlet chamber. An insert is coupled to the actuator outlet end and defines an insert passage in fluid communication with the outlet chamber. The insert includes at least a first convex shoulder disposed downstream of the outlet chamber, and a nozzle outlet disposed downstream of the first convex shoulder. The convex shoulder may have a radius of curvature and side walls may be provided at an angle of convergence. The radius of curvature and the angle of convergence may be provided within certain ranges to obtain the desired spray pattern at the desired flow rate using typical aerosol can pressures.

Abstract: A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment.

Abstract: An apparatus that uses an optimized body design incorporating one or more interchangeable nozzle inserts with a wide array of discharge orifice sizes, configurations and spacings to efficiently and effectively deliver a pressurized, high velocity, laminar flow air stream to dry, cool, or clean objects that are either stationary or moving transversely through the optimized air stream developed by the apparatus, all while minimizing the operational downtime required to implement the interchangeable nozzle insert modifications to the apparatus.

Abstract: The present technique provides a system and method for improving atomization in a spray coating device. An exemplary spray coating device of the present technique has a fine finish tip with an atomization section comprising a first fluid impingement orifice, i.e., a pre-orifice, angled toward an expansion chamber and a subsequent second fluid impingement orifice. The fine finish tip is provided as a unitary assembly that may be applied to a spray gun and that provides a fixed relationship between the pre-orifice, the expansion chamber, and the second orifice, which results in refined spray characteristics, such as uniform particle distribution and uniform fan pattern shapes.

Abstract: A coating nozzle for high-viscosity paint includes a nozzle slit. The nozzle slit exhibits a specific reduced slit angle, and includes a nozzle-slit outlet, and a nozzle-slit inlet. The nozzle-slit outlet is formed as a distinct substantially-arced shape elongating lopsidedly from the nozzle-slit inlet to the nozzle-slit outlet. The coating nozzle including the nozzle slit can optimize a shear velocity of high-viscosity paint for a discharge rate of the high-viscosity paint in a setting of the actual employment.

Abstract: A method for fire-fighting, a rescue boom and a nozzle of a piercing tool. A rescue boom is provided with an elongated piercing tool that can be pushed through a shell of a burning object. A fire extinguishing medium can be conveyed through the piercing tool to a nozzle provided in the piercing tool. The nozzle is provided with orifices arranged such that single jets form a single uniform jet having a flat curtain-like shape.

Abstract: An improved fuel injection apparatus and method have a variable area injector arrangement in which a pintle defines a pilot orifice extending through a tip of the pintle for supplying a pilot flow of fuel through the fuel injector at low fuel pressures, and in particular when the pintle tip is sealed against a variable flow orifice of the variable area injector arrangement.

Abstract: A filling method exhausts gas from inside a slit nozzle that applies coating liquid onto a substrate surface while filling the slit nozzle with the coating liquid. The slit nozzle includes a coating liquid supply opening, a coating liquid discharge outlet, a manifold that is connected to the supply opening and holds the coating liquid inside the slit nozzle, a liquid channel that is connected to the manifold and supplies the coating liquid to the discharge outlet of the slit nozzle, and a ventilation hole for exhausting gas from inside the manifold. The filling method includes: a discharge outlet closing process that closes the discharge outlet while the coating liquid is being fed from the supply opening into the slit nozzle; and a ventilation hole opening process that opens the ventilation hole.

Abstract: The invention relates to a device for spraying particles of dry ice, notably for the purpose of cleaning surfaces, comprising a spray nozzle (4), allowing the passage of a working fluid carrying said particles, said nozzle (4) having an outlet orifice (5) and comprising a throat (6) and a divergent part (7) said divergent part (7) extending between the throat (6) and the outlet orifice (5) of the nozzle. According to the invention, said divergent part (7) has at least one first stage extending between the throat (6) and an outlet orifice of said first stage (5, 12) and the ratio between the area of the throat (6) and the area of said outlet orifice (5, 12) of the first stage of the divergent part is greater than 0.2.

Abstract: A shower attachment which can be adjusted about a joint is proposed. The shower attachment comprises in one shower-attachment housing two water guides with in each case one outlet option. A changeover device can be used to change over between the two water guides. The changeover device comprises a valve having a valve closing body. In order to actuate the changeover device, an actuating element is provided on the shower-attachment housing and can be adjusted in two opposite directions relative to the shower-attachment housing. The two adjusting directions of the actuating element are at the same time directions which lead to a pivoting of the shower attachment about the joint axis.

Abstract: Various embodiments of modular dual vector fluid spray nozzles are disclosed. Embodiments of the nozzles are characterized by specially shaped fluid channels, impingement surfaces and exit orifices used to generate atomized mists of fluid under pressure. Embodiments of the nozzles are generally characterized by composite fluid spray density patterns having horizontal and vertical components, i.e., dual vector in nature. The nozzles disclosed are modular and may be easily installed or removed from a given fluid spray system, nozzle head, or fixture as dictated by any given application.

Abstract: A fluid dispense tip includes a bevel at an opening to reduce the amount of surface tension, or “land”, at the opening. The bevel is formed by grinding in a longitudinal direction such that any tooling scars resulting from the grinding operation are likewise longitudinally oriented, further reducing the amount of surface tension in the tip, thereby leading to heightened dispensing accuracy. The tip may be machined from stock as a unitary piece, to increase its lifetime, and may be formed with a bore of a relatively large diameter that is tapered down to a smaller diameter near the tip opening, to allow for delivery of fluid through the tip body at a decreased pressure. The tip may optionally be formed with a Luer™-style fitting on the body, such that the tip is compatible with pumps that utilize such a fitting.

Abstract: In accordance with certain embodiments, a spray system is provided with a spray tip including a core tip structure having a first material, wherein the core tip structure includes a liquid passage extending to a liquid exit orifice. The spray tip also includes a wear resistant coating disposed about the core tip structure, wherein the wear resistant coating has a second material relatively harder than the first material.

Abstract: A heat exchanger includes a heat exchanging section for performing heat exchange between a refrigerant and a cooling medium and a passage section. The passage section includes a first passage and a second passage for supplying the refrigerant to the heat exchanging section and a supply passage for supplying the refrigerant to the first passage and the second passage. The first passage and the second passage define a first opening portion and a second opening portion opening at an end of the supply passage. A minimum distance between an opening edge of the first opening portion and an inner surface of the supply passage is equal to a minimum distance between an opening edge of the second opening portion and the inner surface of the supply passage.

Abstract: Embodiments of a flat jet fluid nozzle are disclosed. More particularly, flat jet fluid nozzles having fluted impingement surfaces are disclosed.

Abstract: A spray nozzle includes a tubular channel extending along a longitudinal axis, a slot formed by two approximately plane surfaces converging in a direction of the channel and located on either side of a plane including the longitudinal axis of the channel, and a dome connecting the channel and the slot wherein a length of the dome represents less than 50% of a largest transverse dimension of the channel and a plane cross section of the dome is symmetric and it is defined by at least two different circular arcs.

Abstract: A tool for cleaning heat exchangers may include a fluid flow control valve, a hollow elongated stem attached to the valve and a hollow fan head attached to the hollow stem. The fan head may have a fan-head axis oriented at an oblique angle relative to a stem axis of the stem.

Abstract: A nozzle comprises a lower nozzle plate including a lower impingement surface formed therein, at least one fluid intake port disposed at an inner end of the lower impingement surface, and an upper nozzle plate including an upper impingement surface formed therein and an upper orifice edge disposed along an outer end of the upper impingement surface. The nozzle includes a seal configured for sealing the lower nozzle plate to the upper nozzle plate, such that the lower and upper impingement surfaces are opposed toward one another, thereby forming a fluid channel between the impingement surfaces, directing pressurized fluid from the at least one fluid intake port to a slotted orifice formed between the opposed lower and upper orifice edges. The nozzle includes a droplet size adjustment mechanism configured for attachment to the upper and lower nozzle plates for selectively controlling fluid droplet size ejected from the slotted orifice.

Abstract: An anti-piracy system for a vessel produces a non-lethal all of water along the side of the vessel to wash away a pirate. A cylindrical cap has a top, a bottom edge, a hollow interior, and an outside surface. A slit is defined within the outside surface forming a partial opening within the cap from the interior to the outside surface. A threaded hose fitting is formed within the interior, wherein the cap can be secured to a fire suppression node on the vessel with the downward face positioned over a side of the vessel for forcibly dispersing water through the slit downward over the side of the vessel. The cap is positioned near the deck of the vessel, just over the side of the vessel such that upon activation of the tire suppression system the water is directed downward over the side of the vessel.

Abstract: A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment.

Abstract: A fluid dispense tip includes a bevel at an opening to reduce the amount of surface tension, or “land”, at the opening. The bevel is formed by grinding in a longitudinal direction such that any tooling scars resulting from the grinding operation are likewise longitudinally oriented, further reducing the amount of surface tension in the tip, thereby leading to heightened dispensing accuracy. The tip may be machined from stock as a unitary piece, to increase its lifetime, and may be formed with a bore of a relatively large diameter that is tapered down to a smaller diameter near the tip opening, to allow for delivery of fluid through the tip body at a decreased pressure. A cleaning tool may be provided for removing residual material from the inner surfaces of the tip. A removable liner sleeve may be provided within the bore to reduce the effective inner diameter of the dispense tip.

Abstract: Disclosed is a catalyst injection nozzle that comprises an outer tube with an open end, a nozzle tip with a diameter connected to the outer tube open end, an orifice connected to the nozzle tip internal to the outer tube, an internal mixing zone connected to the orifice internal to the outer tube, an inner tube residing within the outer tube further comprising an open end connected to the internal mixing zone, where a steady-state, uniform two-phase flow regime between an atomizing gas and at least one liquid catalyst feed does not form in the internal mixing zone at an atomizing gas to liquid catalyst feed flow ratio of about 0.05 to about 10.

Abstract: A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment.

Abstract: A coating nozzle for a high-viscosity paint is equipped with an introduction passage, an inner space, and a nozzle slit, which communicate with one another, and sprays a coating body with the high-viscosity paint from the nozzle slit in a radial direction. The nozzle slit is constructed in a sectional shape having a predetermined angle in a plan view. When the nozzle slit is regarded as having the sectional shape, an arc of the sectional shaped nozzle slit serves as a nozzle slit outlet. The nozzle slit outlet has a nozzle slit outlet width equal to or larger than 35 mm and a flattening equal to or smaller than 0.01 where a slit height represents a clearance of the nozzle slit outlet, the nozzle slit outlet width represents a chord of the arc, and the flattening represents a ratio of the slit height to the nozzle slit outlet width.

Abstract: A device for igniting combustible means, especially solid combustibles such as wood, charcoal, and similar. The device includes a pressurized receptacle that is filled with a combustible medium, a spring-loaded actuating valve which selectively opens and closes a discharge port of the receptacle, preferably by applying pressure with a fingertip, and a top part that is joined to the discharge port and has a tubular extension having an adequate length.

Abstract: An air knife system includes a first set of openings and a second set of openings arranged along opposite first and second walls, respectively, of a main body. The first set of openings may be aligned with the second set of openings such that a coupling member may be inserted through each one of the first set of openings and a corresponding one of the second set of openings. The coupling members may be fixedly joined to the first and second sets of openings to maintain a desired width of a discharge slot defined by a first lip extending from the first wall and a second lip extending from the second wall. In one embodiment, the coupling members may be joined to the first and second sets of openings using a welding process.