Abstract: An electronic speed-measuring device for a beach buggy includes a magnetic member and a sensor. The magnetic member is fixed on the chain wheel driven by an engine of a beach buggy so the magnetic member rotates together with the chain wheel. The sensor is provided on an unmovable portion of a beach buggy, facing the moving track of the magnetic member and maintaining a proper distance from them. The sensor can detect the function of the magnetic member and transmit immediate digital data (signals) to a speedometer so that the speed of a beach bugay shown on the speedometer is extremely precise, achieving practical effect of installing with quickness and detecting speed with precision.

Abstract: A speed measuring device for a beach buggy includes a chain wheel rotated by the engine of a buggy, a connecting tube firmly connected to the chain wheel, a bearing fitted in the connecting tube, a gear set, and a fixing unit combined together. The fixing plate, the gear set, the connecting tube and the bearing are assembled together with an elongate rod with thread formed in the lower end portion and then fixed with the chain wheel. Then a hole base is formed on a rear small diameter portion of the gear set for a cable to extend in to transmit speed of the rotating chain wheel to a speedometer for a user to know the speed of the beach buggy.

Abstract: Methods of making polymeric fibers are provided and include spinning a solution containing at least one polymer, a modified pigment having attached at least one organic group, and a solvent. The polarity of the solvent and the polarity of the modified pigment are selected such that the polymer is soluble in the solution and the modified pigment is maintained dispersed throughout the solution. The polarity of the modified pigment may be substantially the same as the polarity of the solvent. Fibers of acrylic-containing polymers and other polymeric fibers are also provided. Articles and reinforcing material containing the various fiber(s) are also described.

Abstract: Methods of making polymeric fibers are provided and include spinning a solution containing at least one polymer, a modified pigment having attached at least one organic group, and a solvent. The polarity of the solvent and the polarity of the modified pigment are selected such that the polymer is soluble in the solution and the modified pigment is maintained dispersed throughout the solution. The polarity of the modified pigment may be substantially the same as the polarity of the solvent. Fibers of acrylic-containing polymers and other polymeric fibers are also provided. Articles and reinforcing material containing the various fiber(s) are also described.

Abstract: The instant invention is directed to a catalytic partial oxidation (CPO) process with improved ignition comprising; (a) igniting an ignition feed comprising hydrogen, diluent and oxygen in a catalytic partial oxidation catalyst bed wherein said ignition feed has a predetermined adiabatic reaction temperature sufficient to cause said catalyst bed to ignite in a manner which prevents said catalyst bed from undergoing thermal shock, (b) modifying said ignition feed following said ignition of said catalyst bed to obtain a reaction feed comprising oxygen and hydrocarbon-reactant in a molar ratio capable of producing partial oxidation products in said catalyst bed under partial oxidation conditions, wherein said modification of said ignition feed is conducted to accomplish a predetermined heatup rate of said catalyst bed, and wherein the amount of diluent present during said modification is sufficient to control the adiabatic reaction temperature.

Abstract: An oscillating disk dental hygiene device of the present invention includes a quick coupling assembly having a first stage adapted to be coupled to a water source fixture and a second stage adapted to be quickly attachable and detachable from the first stage; a main housing defining a water chamber and having an inlet and an outlet, the inlet being coupled with the second stage of the quick coupling assembly; and a disk defining at least one opening therein and being disposed in the water chamber, the disk adapted to oscillate between a first substantially neutral position and a second position substantially obstructing the outlet when water entering the water chamber via the inlet has a pressure within a predetermined range, the oscillating disk creating a pulsating water stream exiting the water chamber via the outlet. A hand held nozzle is coupled to the outlet and is adapted to concentrate and direct the pulsating water stream into a pulsating water jet.

Abstract: An acoustic ink print head includes an array of individual emitters. Each of the emitters have a corresponding transducer with a lower electrode, a separate layer of a piezo-electric material located on the lower electrode, and a separate upper electrode provided on the upper surface of the piezo-electric layer. The upper and lower electrodes are connected to a source of conventionally modulated RF power. A dielectric layer is deposited on top of this structure and lenses are etched into the top of the dielectric layer. The lenses focus energy generated by the transducer to a region of the upper surface of a body of liquid located above the transducer. The lenses concentrate sound waves from the transducers thereby disturbing the surface and causing droplets to be emitted. The print head is formed as an array of individual emitters. The upper electrodes of the individual emitter array have varying surface areas dependent upon their location within a row of electrodes and their output efficiencies.

Abstract: Oscillating disk devices for drip irrigation systems, heap leach mining systems, industrial cleaning high pressure washer or emulsifying systems are provided. The devices include an upper body portion having an inlet defining an intake passageway and a lower body portion having a discharge outlet defining a discharge opening and passageway. A disk (or disk combined with a spring) is positioned in a chamber between the upper and lower body portions. During the oscillation cycle, the disk oscillates with great energy at a low to medium frequency. This mechanical oscillation may be used to flush out irrigation or heap leach mining drippers and lines, and to create shock waves or mechanical vibrations that can be used for industrial cleaning applications, increase efficiency of high pressure water and mix or emulsify solutions.

Abstract: Drip irrigation devices (10, 40, 90) to facilitate the flushing of the irrigation system are provided. The devices (10, 40, 90) include an upper body portion (12, 42, 96) having an intake passageway (24, 55, 106) and opening (56, 104), and a lower body portion (16, 46, 98) having a discharge passageway (29, 66, 106') and opening (76, 104). A floating or stationary disk (14, 44, 114) is positioned between the upper and lower body portions. During the flush cycle, the disk (14, 44, 114) oscillates with great energy to loosen debris and flushes particles and debris out of the irrigation lines. During the irrigation cycle, the disk provides pressure-compensated regulation of water flow to permit drops of water or solution to form.

Abstract: A self-countersinking screw including an inverted-conical head portion formed at a top with a cavity adapted to receive a tip of a screwdriver and having a conical bottom, said conical bottom having a plurality of triangular recesses each having a lateral side extending inwardly to form a sharp edge and a space for receiving chips, a threaded portion, and a tapered portion having a large diameter connected with the head portion and a small diameter connected with the threaded portion, whereby the sharp edge will make a countersink on a workpiece when the countersunk head screw is turned therein.

Abstract: A reusable agricultural and industrial tie (10, 50, 200, 300, 400, 500, 600) for securing objects to a fixed structure, such as a tensile wire, and a wooden or metal structure. The reusable tie includes a head portion (14, 54, 202, 302, 402, 602) adapted for securely fastening onto the fixed structure, and a band (12, 52, 306, 406, 506, 606) having two ends coupled to the head portion and forming a generally annular cavity. A clamping assembly (16, 56, 304, 404, 504, 604) is formed in the ends of the generally annular band and has first (22, 62, 210, 310, 410, 510, 610) and second (24, 64, 212, 312, 412, 512, 612) interlocking members for adjustably, securely and fixedly clamping around the objects. The first interlocking member includes a single-contact-point biasing tongue (100, 220, 320, 420, 520, 620) defining an elongated opening (30, 70, 222, 322, 422, 522, 622) with a jaw member (28, 68, 216, 316, 416, 516, 616) with a predetermined number of teeth (32, 72, 218, 318, 418, 518, 618).

Abstract: Apparatus for fastening to an irrigation hose and a suspended wire is provided. The apparatus comprises a flexible band forming a substantially annular cavity. The band has two free ends to which are attached first and second interlocking members of a hose clamping assembly. A wire clamping member is formed integral to said band and located directly opposed to said hose clamping member. The apparatus is easily installed and removed for reuse.

Abstract: The dripper and mini-spray include an inlet and an outlet coupled to a housing which defines a substantially spherical, ellipsoidal, or cylindrical chamber. The chamber houses a ball which can roll about the chamber freely, but which is too large to exit through either the inlet or outlet. A whirlpool is caused by water or other liquids entering the chamber through the inlet due to the particular orientation and position of the inlet, the shape of the chamber, and optional water obstructing structures such as a reflector pad and a deflector ridge and slot openings therein. The resultant whirlpool(s) flush debris from the chamber and push the ball around the chamber for a predetermined period of time. The ball then becomes seated against the outlet to substantially obstruct the passageway out in a pressure-compensated manner.

Abstract: The dripper and mini-spray include an inlet and an outlet coupled to a housing which defines a substantially spherical, ellipsoidal, or cylindrical chamber. The chamber houses a ball which can roll about the chamber freely, but which is too large to exit through either the inlet or outlet. A whirlpool is caused by water or other liquids entering the chamber through the inlet due to the particular orientation and position of the inlet and the shape of the chamber. The whirlpool flushes debris from the chamber and pushes the ball around the chamber for a predetermined period of time. The ball then rests against the outlet to substantially obstruct the passageway out in a pressure-compensated manner.

Abstract: The dripper and mini-spray include an inlet and an outlet coupled to a housing which defines a substantially spherical or ellipsoidal chamber. The chamber houses a ball which can roll about the chamber freely, but which is too large to exit through either the inlet or outlet. The outlet includes a cradle which is formed with ridges and/or slots. The inlet of the dripper is horizontally attached to an irrigation line and with water pressure in the line the ball is forced against the cradle, effectively closing off the outlet, however some water is able to escape via openings formed by the ridges/slots. At the beginning of each irrigation cycle a small whirlpool is created in the chamber, pushing the ball about, which flushes out any debris which has accumulated in the chamber.

Abstract: A self-countersinking screw including an inverted-conical head portion formed at a top with a cavity adapted to receive a tip of a screwdriver and having a conical bottom, said conical bottom having a plurality of triangular recesses each having a lateral side extending inwardly to form a sharp edge and a space for receiving chips, a threaded portion, and a tapered portion having a large diameter connected with the head portion and a small diameter connected with the threaded portion, whereby the sharp edge will make a countersink on a workpiece when the countersunk head screw is turned therein.