Abstract: A spraying device for applying a coating material such as anticorrosion oil to the internal surfaces of hollow bodies comprises a spray gun provided with a front piece which is inserted into the hollow body during operation of the device. Furthermore, the device comprises a pump for feeding the spray material to the gun and a control device for controlling the gun, the pump and the introduction of compressed gas into the front piece. This gas is introduced in order to further atomize the spray material ejected through an atomizing nozzle of the gun and in order to support the transport of the spray material through the front piece. The control device comprises means for controlling the rate of introduction of spray material into the gun. As a consequence, the degree of atomization of the spray material leaving the front piece is variable.

Abstract: A multiple chamber drip irrigation hose for distributing irrigation water and the like comprising, in combination, a primary and at least one secondary tube of flexible, water-impermeable material and joined at a common wall. Said common wall has a series of first holes placing the interior of said primary tube in communication with the interior of said secondary tube. Said secondary tube has a series of second holes leading from the interior of said secondary tube to the exterior. A flexible, filamentary line, ridge or groove is positioned within said secondary tube and forms a restricted path for water flowing from a first hole to a second hole. Optionally, at least one tertiary tube of flexible, water-impermeable material is joined to said secondary tube at a second common wall, with said second holes through said second common wall.

Abstract: A material unloader having a conveyor and a distributing unit includes a control assembly operative from the tractor or towing vehicle by a single hydraulic control. A jaw clutch is provided for engaging and disengaging the distributing unit drive and the power shaft. A variable speed pulley assembly is operable to engage and disengage the conveyor drive and power shaft and to vary the speed of the conveyor over a wide range of values. The jaw clutch and variable speed pulley assembly are simultaneously controlled by a cam operated shifter assembly. The cam is mounted on a control shaft along with a pawl and ratchet mechanism indexed by a hydraulic cylinder to sequentially establish various combinations of conveyor and distributing unit drive conditions, including a condition wherein the distributing unit is disengaged and the conveyor is operating at a relatively high speed for fast cleanout of the unloader.

Abstract: An apparatus and process for the atomization of a combustible material comprises feeding at least one stream of the combustible material and at least one stream of an auxiliary gas, under pressure, through an elongated zone in which atomization of the combustible material is achieved by expansion of the auxiliary gas while causing the said streams frequently to split into partial streams, recombine, and changing their rotational flow pattern throughout substantially the whole length of the zone; and adjusting the feed of the said auxiliary gas and combustible material into the atomization zone such that the atomized product from the zone is one in which the auxiliary gas occupies an appreciably greater volume than that occupied by the combustible material. At the zone outlet is provided a nozzle for constraining the atomized combustible material in a desired predetermined profile. There is substantially no atomization of the fuel by the auxiliary gas prior to entry into the atomization zone.

Abstract: A step in a film bag conveyor for a bag making machine protects the unwelded ends of a stack of film bags being conveyed away from disturbance by web support air jets. The step optionally permits the welded bag ends to overhang and thereby reduce stack height.

Abstract: A fire-fighting cannon nozzle assembly comprisees first and second feed conduits which become coaxial in a rotary sleeve assembly and extend through a body assembly and also through a swivel joint assembly for simultaneous projection of two fire-fighting agents. The rotary sleeve assembly provides for rotary movement of the body assembly about a vertical axis and the swivel joint assembly provides for rotary movement of the discharge nozzles about a horizontal axis.

Abstract: The sheet loading device for supplying a sheet of material from a sheet supply station to any of a plurality of sheet supporting rotatable drums includes an endless belt continuously moving past the sheet supply station and the rotatable drums. A rotatable belt deflecting roller is mounted adjacent each of the drums. A sheet supply arrangement urges a sheet at the supply station into engagement with the belt such that the sheet is carried by the belt toward the drums. One of the belt deflecting rollers is translated toward its respective sheet supporting drum such that the belt is deflected to wrap partially around the drum, whereby the sheet carried by the belt will be loaded onto the drum.

Abstract: A fire extinguisher of the type comprising a burstable container adapted to provide a high mass flow rate of discharged extinguishant is provided with venting means so adapted to direct the flow of extinguishant from the container that the reaction forces upon the container during discharge of extinguishant compensate one another to reduce the resultant force upon the container.

Abstract: An integrated thrust reverser vertical thrust control and divergent nozzle for controlling the exiting gases from a thrust producing aircraft engine. The nozzle comprises at least two nozzle reverser doors that are pivotable about a fore and aft aircraft pivotal connection and an actuator system for pivoting the doors. The pivotable connection at each pivot point is remotely disengageable allowing the doors to selectively pivot about either their forward or aft connection. The doors can be positioned through an infinite number of different positions through their travel about either pivotal connection. When in a forward thrust mode the two nozzle reverser doors pivot about their forward pivot point, when in a reverse mode about their aft pivot connections and a combination of forward and aft pivot connections for aircraft vectoring.

Abstract: A hand-held shower head includes a housing which is cylindrical in shape and has a frusto-conical portion with a single orifice nozzle in the center thereof. A push-button actuator is positioned on the cylindrical side portion which in turn actuates a valve mechanism through a diaphragm seal. Water flows from an inlet opening through a lightly biased, normally closed valve which is operated through a plunger connected via the diaphragm to the push-button actuator, and out through a flow restricter and the single orifice nozzle. The push-button actuator is provided with stop means to limit the depression of the actuator.

Abstract: Mobile apparatus for spreading a constant volume of liquid per unit area of surface in spite of variations in speed of travel, has a spreading liquid circuit which includes a pressure regulator for controlling the liquid pressure in response to the pressure in an auxiliary liquid circuit. The pressure in the auxiliary liquid circuit is controlled by a sensing wheel which is carried on a pivotally mounted arm so that the sensing wheel can engage either with a wheel of the vehicle on which the apparatus is mounted or with the ground. The sensing wheel provides a pump for the auxiliary circuit and the flow rate of the pump is controlled by an orifice which can be partially occluded by a cam-like shutter.

Abstract: A drip irrigation system for agriculture comprises a plurality of water distribution lines extending across a field or similar area for growing crops. The lines are arranged in at least two separate groups, and the lines in each of the groups are interconnected. A source of pressurized, substantially unfiltered water is selectively communicated with the lines, and a plurality of water emitters are connected with and spaced along each of the lines for discharging water into the soil. Each emitter has an orifice sized to generally allow foreign material in the unfiltered water to pass therethrough. A water distributor has an inlet portion connected with the water source, and at least two outlet ports each connected with an associated one of the water line groups.

Abstract: A sprinkler spray head consisting of three components preferably molded of plastic material, namely, a body member, a cap member and a flow control member. The mounting and sealing of the components is such that several different spray patterns can be obtained by utilizing several different cap member configurations with the same body and flow control members. The operation of the flow control member is such that flow control adjustment can be obtained by a turning movement from a center position in either direction.

Abstract: A nozzle suitable for mixing atomized first and second components of a resin exterior to the nozzle and combining the atomized and combined resinous components with a base material such as a fibrous or granular insulation material. The nozzle comprises a front plate and a back plate, the back plate individually receiving under pressure the first component and second component of the resin, a base material and an air supply. The front and back plates are secured in registry to each other so that central passageways in the front and back plates communicate the base material through the nozzle to be exhausted onto a surface. The air supply is communicated through the back plate to a continuous channel on the surface of the back plate in registry with the front plate and the first and second components of the resin are transmitted through the back plate by means of single passageways on either side of the continuous air channel.

Abstract: A sprayer has a hollow housing with an inlet port and an outlet opening. A cap assembly closes the outlet opening and includes a plurality of sets of discharge orifices with each set exhibiting an individually different characteristic of orifice flow of fluid from the housing interior. The orifice sets are selectively opened to the passage of flow out of the housing and that flow is valved. Different sets of the orifices provide for a fine-spray cone, larger streams and a swirling jet. A porting seal cooperates with a selector plate to enable fluid communication to different sets of orifices and an overall valving assembly also is included. Still further is a stand for the sprayer which supports it, when desired, above a holder or in a manner which enables convenient storage.

Abstract: In a sprayer, particularly an agricultural sprayer, having a boom equipped with conical jet spraying nozzles, the height of the boom above the plane of the surface to be treated is controlled in accordance with the pressure of the spray liquid in the boom by a system for the displacement of the boom perpendicularly to the plane of the surface to be treated, which system is mounted on the chassis of the sprayer, and provided with detectors for detecting the position of the boom with respect to the chassis, a comparator for comparing signals coming from the detectors with a value representing the pressure of the fluid in the boom, and a hydraulic jack connected to the comparator for operating the said displacement system in one direction or the other according to the differences detected, for the purpose of maintaining a tangent relationship between the circles or ellipses of the intersection of the conical spray jets with the plane of the said surface to be treated.

Abstract: A dual purpose sprayer and spreader device capable of selectively distributing either granular or liquid material upon the ground being traversed. The device includes a hopper supported for travel over the ground, the hopper having a discharge opening in the bottom thereof through which granular material from the hopper falls by gravity onto a rotary impeller which throws the material laterally, the impeller being driven by the ground wheels. To distribute a liquid, a container of liquid, (such as a flexible bag) is inserted in the hopper, the bag having a dispensing tube extending from the lower end thereof, which tube extends through the discharge opening at the bottom of the hopper. The hopper is also provided with a slidable gate which controls the size of the discharge opening from fully open to fully closed and when the tube extends therethrough, the gate functions as a valve for opening and closing the tube.

Abstract: A duct having the shape of a pyramid frustum for the flow of powder in suspension in a carrier gas is of increasing width and decreasing height in the downstream direction. The duct has a solid end-wall and a wall provided with an opening between the open upstream base joined to a supply pipe and a solid portion joined to the open downstream base so as to form a spray-discharge nozzle. The device comprises a screen having holes for the discharge of carrier gas and a grid formed by flat partitions. Inclined deflectors extend transversely within the duct in the vicinity of the opening, the angle of inclination being of increasing value from the upstream end to the downstream end.

Abstract: Disclosed is a device for emitting an aromatic substance into the surrounding environment which utilizes a pivoted arm carrying a mass as an actuator for an aerosol container containing the aromatic substance and an electronic circuit for maintaining the arm in a position to continue actuation of the aerosol container for a predetermined period of time. In a preferred form, the electronic circuit is such that the arm is controlled to lie in the position maintaining the aerosol container actuated as a function of the elapsed time between succeeding emissions of the aromatic substance.

Abstract: An electrostatic spray gun is disclosed which comprises a high valued resistance in the barrel portion of the gun, and a second resistor in the nozzle of the gun closely adjacent to a charging electrode projecting from the nozzle to provide safer operation.