Abstract: A welding torch tip for use in welding ferrous metals with Mapp gas, and method for same. The tip is elongated and has threads in one end thereof and a gas outlet in the other end thereof and it has a gas mixing chamber centrally located in the tip and intermediate the screw threads and the outlet. The method is the steps of introducing the gas into the tip and mixing the gas in a chamber in the tip and then directing the gas through a passageway and out of the tip.

Abstract: A method and apparatus for distributing irrigation water and the like around agricultural plants. The apparatus includes a semi-permanent, semi-looped elastic distributing conduit having a closed end and an open end, with a plurality of spray nozzles in the upper surface of the conduit for distributing liquid outward from the plant in fan-like overlapping patterns. The apparatus becomes a semi-permanent installation, and the method includes the placing of such a semi-looped distributor close in about a plant and arranging the spray patterns to have a substantially fan-like configuration extending outward from the plant and overlapping.

Abstract: A spray nozzle having one or more elongated, tunnel-shaped channels, each formed by a top wall, and two fixed substantially vertically depending side walls for encompassing substantially the entire body of an elongated object such as a permanent wave rod or hair curler, the walls having perforations therein for directing a liquid spray at substantially the entire body of the object when it is axially in the channel.

Abstract: A sprinkler system weighing, when automatically drained, under 20 pounds per 1000 foot of tubing plus sprinkler heads and, that can be rapidly rolled up by a tractor carrying a reel, is made of two concentric polyester plastic tubes both 2 inches in diameter with 0.001 inch thick walls. The two concentric tubes are sealed together at the top and 0.04 inch diameter holes are spaced at 6 foot intervals along the top seal so that water flowing through the inner tube can spray out. The outer tube is aluminized to protect the polyester against the sun and a black stripe is painted along the top of the outer tube so that photoelectric cells can make the spray holes along the black line be unrolled on top when the irrigation tubing is put in place. When it is desired to move the irrigation tubing, the water is shut off and air is forced between the inner and outer tubes. This about completely forces the water out of the inner tube making an extremely light load to roll up and carry.

Abstract: This invention relates to a diffuser adapted to aerate a fluid medium, such as sewage in which it may be immersed. The diffuser consists essentially of two elements, namely, a T shaped member, the leg of which is provided with a central bore and adapted to be connected to a source of a fluid medium, such as air, under pressure, while the top is preferably flat and disc shaped. Overlying said top, is a cap or cover which is flexible and adapted to lie contiguous with the surface of said top. Said cap is provided with an annular rim which engages said top along and under the peripheral edge thereof. Finally, means cooperating between said T shaped member and said flexible cover are provided to permit the intermittent release of the fluid medium, such as gas, from said diffuser; however, the flexible nature of said cap in combination with said means is such that the back pressure of fluid medium to be aerated will prevent the flow of such fluid medium through the said diffuser.

Abstract: An improved nozzle is provided for a metal spraying torch, said nozzle comprising a hollow cylindrical body having a substantially conically shaped nose terminating into a tip and a plurality of gas-conducting orifices communicating with the hollow of said nozzle and passing substantially axially through the nose of said nozzle, for example, coaxially parallel or conically disposed relative to the axis of the nozzle, and emerging from the conical surface thereof short of the tip. The orifices are radially disposed about the axis of said nozzle with the terminal portions thereof lying in a circle when observed from the tip end. An advantage of the nozzle is that it provides a quieter flame and also avoids flashback when the tip thereof makes contact with a workpiece.

Abstract: A miniaturized object cleaning apparatus which is portable and adjustable including two juxtaposed concave, allochiral, elongated tubular jaws containing opposed openings for passage of ionized air in the form of jets to remove fine dust particles from said article.

Abstract: A long-range nozzle, used in particular for cooling the strand and/or the supporting and guiding rollers of a continuous casting plant by means of liquid jets or liquid and gas jets is provided with a plurality of parallel nozzle channels arranged side by side in one plane. All of the nozzle channels are connected with each other in the area of the mouth of the nozzle by means of a transverse channel that is open in the spraying direction. The transverse channel has two parallel limiting areas. The hydraulic diameter of each channel is 1.5 to 4 mm. The ratio of the hydraulic diameter of each channel to the distance between the two channel axes is 0.7 to 0.9. With the nozzle of the present invention a long range for the spray jet and a close bundling of the spray jet are achieved.

Abstract: An improved material fluidizing apparatus having a series of communicating reaction chambers separated by a concavo-concave foraminous member having a plurality of spaced frusto-conical openings through which a mixture of gases and solids can flow. This apparatus is useful for sustaining fluidization in a recirculating flooded dense bed, particularly under conditions of high temperature.

Abstract: A washer jet assembly is provided with a housing adapted to be suspended on a wiper arm and having an inlet sleeve communicating into a distribution chamber. A plurality of grooves are formed in the open end wall of the distribution chamber of the housing to form passageways from the distribution chamber to the outside. A cover button with a head portion and a shank portion is secured to the housing with the head portion closing the distribution chamber and with the shank portion passing through the distribution chamber and the housing and being secured to the housing by upsetting the exposed end of the shank portion.

Abstract: A drain clearance device comprising a length of flexible hose having at one of its ends means for connecting it to a source of water under pressure and at the other end a nozzle of elliptic contour longitudinally thereof and of a size to fit into a drain pipe. Said nozzle has four circumferentially spaced, slot-shaped orifices in the flanks of its rounded front end that are adapted to emit flat jets of water under increased pressure forwardly at an oblique angle against the inner surface of the drain pipe to dislodge and flush away any foreign matter that may have accumulated on the wall of the pipe and impede the free flow of water through the pipe. Intermediately of its ends the hose carries slidably mounted thereon means that may be manipulated to close the space around the hose to block back flow of water to the entrance opening of the drain during operation of the device.

Abstract: A detachable mounting and support arrangement for the stationary spray tube which extends through a rotary drum. A tension cable extends through the spray tube and is anchored exteriorly of the drum and spray tube at each end of the drum.