Abstract: An electromechanical device which can be used as a motor or as a generator. The device has a housing, including bearing means to support a rotatable shaft. Disc magnet means are provided, and poled to have alternating polarity and are mounted on the shaft to define a rotor.The device is an improvement in those which include at least one first pole shoe in contact with the magnet means, having a portion extending radially therefrom to define a virtual pole chamber, of a first polarity. Also included is at least one second pole shoe in contact with the magnet and having a portion extending radially therefrom to define a virtual pole chamber of the other polarity. A toroid stator is mounted on the housing and has windings thereon. The stator is positioned annularly around the disc magnets such that the virtual pole chambers of the first and second pole shoes surround portions of said windings with circumferentially alternating fields of alternating polarity.

Abstract: A device for separating at least two neck chains, each having at least one fixed ring thereon, comprising: a chain separator means including a pair of elongated members and a biasing means urging said elongated members in close substantially parallel relationship to each other; at least one of said elongated members having a plurality of first portions extending toward the other elongated member and a plurality of second portions alternatingly spaced between said first portions, said second portions each extending away from the other elongated member for a distance sufficient to accommodate one of said fixed rings on said neck chains.

Abstract: An electromechanical device which can be used as a motor or as a generator. The device has a housing, including bearing means to support a rotatable shaft. Disc magnet means are provided, and poled to have alternating polarity and are mounted on the shaft to define a rotor.The device includes at least one first pole shoe in contact with the magnet means, having a portion extending radially therefrom to define a virtual pole chamber, of a first polarity. Also included is at least one second pole shoe in contact with the magnet and having a portion extending radially therefrom to define a virtual pole chamber of the other polarity. A toroid stator is mounted on the housing and has windings thereon. The stator is positioned annularly around the disc magnets such that the virtual pole chambers of the first and second pole shoes surround portions of said windings with circumferentially alternating fields of alternating polarity.

Abstract: A threaded coupling chuck device for use with a male threaded tube, including a body, a shaft for rotation, a sleeve and adaptor, nose cone, seal means, port means and a valve.The body is centered about an axis and has a sleeve rotably mounted inside the body. This sleeve is driven by the shaft means which rotates the sleeve in a first direction for coupling with the tube and the other direction to uncouple.Fixedly mounted in the sleeve is an adaptor means which has a nose cone supported on it. The nose cone has a threaded portion for forming a coupling with the male threaded tube upon rotation of the shaft in the first direction. The nose cone may also have a tapered surface adjacent the threaded portion to guide the tube into coupling contact with the threads.Seal means are provided generally at all junctions, and particularly for preventing passage of fluid between the tube and the nose cone coupling.

Abstract: A threaded coupling chuck device for use with a female threaded tube, including a chuck body, adaptor means, probe means, seal means, and port means.The body has an axis of rotation and shaft means for rotation, centered about said axis. Adaptor means are mounted on the body and have a threaded portion for engagement with the threaded tube to form a threaded coupling upon rotation of the internal portion of said body in a first direction about said axis. Probe means are slideably mounted in contact with the adaptor means and are positioned to align the respective threaded portions of said adaptor and said tube.Seal means are included, and are positioned to prevent passage of fluid through the coupling. The seal includes a threaded annular portion of the adaptor means, which portion is adapted to expand into contact with the tube upon activation. The seal means includes piston means positioned to glide along the axis from a first position to a second position where the seal is activated.

Abstract: A hydraulic chuck haging a piston means with an axially centered fluid passage and a tube seating means on one end thereof. Collet means are provided and are mounted on the piston means such that axial movement of the piston means operates the collet means. The chuck body is slideably mounted on the piston means and has a nose cone means fixedly mounted on the body means. The nose cone means includes a collet engaging surface to close the collet upon engagement of the surface and the collet means. Seal means for preventing passage of fluid between the tube and the collet means are provided and include a seal cartridge means adjacent to tube seating means on the piston means. Seal seat means are slideably contacting the cartridge means and keyed to the collet means to define a seal cavity between the seal seat and the seal cartridge. The cavity has a first size when the collets are open and a smaller second size when the collets are closed.

Abstract: An electromechanical device which can be used as a motor or as a generator has a housing, including bearing means to support a rotatable shaft. A pair of disc magnets are poled to have opposite polarity on the two faces of each. The magnets are mounted face to face together on the shaft to define a rotor.The device includes at least one first pole shoe in contact with one face of each magnet, and having a portion extending radially therefrom to define, in its preferred form, a pair of virtual pole chambers, of the same polarity as said one face. Also included is at least one second pole shoe in contact with the other face of each magnet and having a portion extending radially therefrom to define in its preferred form a pair of virtual pole chambers of the same polarity as the other face. A toroid stator is mounted on the housing and has windings thereon.

Abstract: A chuck device for use with a flexible hose including a porting tube means for attachment at one end to a source of hydraulic fluid and having a central passage for the fluid. Attached on the other end of the porting tube is a seal cartridge means which has a hose engaging cylinder extending away from the porting tube to engage the interior of the hose. Collet means are mounted on the cartridge means and are positioned to engage the exterior of the hose when the hose is on said cylinder. A chuck body means is included which is slideably mounted on the porting tube and the cartridge means to define a power chamber. The porting tube has a fluid passage connecting the power chamber to the central passage of the porting tube. Finally, nose cone means are mounted on the body means and has a collet means engaging surface. The passage of fluid into the chamber forces the collets against the surface and causes them to urge the collets against the hose.

Abstract: A hydraulic chuck for engagement of the outside of tubes. A set of ring collets are provided to grip the tube and hold it while the tube is tested, expanded, or otherwise worked on. Seals are provided to prevent fluid flow between the tube and the chuck. A piston is actuated to engage and release the ring collets, and to engage the seal when the collets are engaged.

Abstract: A device for detecting metallic objects in a container having a substantial quantity of non-metals therein including a frame having a verticle portion with respect to the ground. Metal detecting means are mounted on the verticle portion of the frame such that the metal detecting means defines a plane of detection. This plane of detection has a length defined as "L" which is substantially equal to the length of the detecting means, and the plane has a width extending parallel to the ground and away from the detector equal to distance "R". A container means of non-metallic material may be provided for holding a quantity of non-metal which might contain metallic objects therein. The container has an effective or operative length less than or equal to L and a diameter less than 2R. Container means may be provided to rotate the container means about an axis of rotation parallel to length L and less than distance R from said detecting means.

Abstract: A hydraulic chuck device for use with the inside of a tube. Included is a body defining a chamber and a piston slideably mounted in said chamber. An axially centered stem means is mounted at one of its end on said piston and has a passage along its axis, while sleeve means slideably cover said stem means and are mounted on said body. Collet means are operably connected to said stem means and said sleeve means such that relative movement of one with respect to the other causes activation of said collets. First fluid means are connected to said piston to cause relative movement between said stem and said sleeve, and second fluid means are connected to said stem means for passage of fluid through said passage of said stem means into the inside of said tube.

Abstract: The method of etching a porcelain dental appliance insitu including the steps of contacting the porcelain with a buffered solution containing trace amounts of hydrogen fluoride and removing the solution after sufficient time has elapsed to etch the porcelain. Preferred solutions are buffered at a pH from about 2.0 to about 6.0 and most preferably from about 3.5 to about 4.5. Contact time of the solution with porcelain ranges from about five minutes to from about five to about thirty minutes or longer.The solution preferably contains an alkali metal fluoride dissolved in a weak acid. In a preferred embodiment, the solution contains about one to about three parts by weight of sodium fluoride dissolved in about 50 parts to about 150 parts by weight of dilute weak acid. The weak acid has a molarity of from about 0.05 molar to about 0.5 molar. The weak acid solution is buffered, if necessary, and has a pH of from about 2.0 to about 6.0 and preferably from about 3.5 to about 4.

Abstract: Apparatus for recovering chlorocarbons from a vent gas stream which additionally contains a halogen, including an inlet means connected to a source of the gas stream and a heat exchanger means for receiving the stream from the inlet means. The heat exchange means has a cooling capacity sufficient to reduce the temperature of the stream to less than about -60.degree. F. at a pressure of at least 60 psig. Finally, separator means are provided for receiving the stream at the reduced temperature and include means for separating the liquid from the vapor at that point.The apparatus and the method of using the same is particularly suited for use with vent gas streams containing at least 1000 ppm of carbon tetrachloride and approximately 0.2 to 20% of a halogen, particularly chlorine, based upon the weight of the carbon tetrachloride. Preferred operating conditions are from about -60.degree. F. to about -70.degree. F. at a pressure ranging from 80 to 90 psig.

Abstract: A process for the purification of crude 2-mercaptobenzothiazole, prepared by reacting aniline, carbon disulfide and sulfur at elevated temperature and pressure is described. The process comprises the reaction of crude 2-mercaptobenzothiazole with 5-20%, preferably 10-12%, molar excess aqueous alkali metal hydroxide having a concentration of 3 to 20% by weight alkali metal hydroxide at 70.degree. to 90.degree. C. for 0.5-4 hours, with vigorous agitation, followed by filtration of the insoluble impurities and acidification of the filtrate with a non-oxidizing mineral acid, such as hydrochloric and sulfuric acids. The precipitated, filtered product is washed with water and collected in 98-100% yield and 95-98.5% purity.

Abstract: A substituted urea compound containing at least one 2,2,2-trichloro-1-hydroxyethyl group is provided which is useful as a flame retardant for polymers such as polyurethane.

Abstract: A process for preparing mercapto-alcohols by reacting a molar excess of hydrogen sulfide with an alkylene, cycloalkylene, or aralkylene oxide in the presence of an alkali metal zeolite catalyst.

Abstract: A device for detecting metallic objects in a container having a substantial quantity of non-metals therein including a frame with metal detecting means mounted on the frame such that the metal detecting means defines a plane of detection. This plane of detection has a length defined as "L" which is substantially equal to the length of the detecting means, and the plane has a width equal to distance "R". A container means of non-metallic material is provided for holding a quantity of non-metal which might contain metallic objects therein. The container has a length less than or equal to L and a diameter less than 2R. Rotating support means for positioning the container in the plane of detection is adapted to rotate the container about an axis of rotation parallel to length L and less than distance R from said detecting means. Alarm means for signalling the presence of a metallic object passing through the plane of detection during rotation of the support means is also provided.

Abstract: In a lithium-thionyl chloride cell having a lithium anode, an electrolyte including thionyl chloride and a cathode with current collector, the improvement comprising a coating of a metal phthalocyanine complex on a said cathode. Particularly preferred are transition metal phthalocyanine complexes, such as copper and cobalt phthalocyanine.

Abstract: An electroded wafer for use in electro-optic devices comprising a ceramic wafer having piezoelectric properties and having faces substantially larger than the thickness of the wafer. On the wafer are a plurality of parallel slots cut in at least one face of said wafer to form an interdigital matrix wherein adjacent slots are cut through the periphery of the wafer at opposite ends. Further included is a metallic electrode plated on the interior of the slots and the periphery of the wafer by electroless plating of at least one metal in contact with a palladium catalyzing compound such that the catalyzing compound is present only on the portions of the wafer to be plated.

Abstract: An electrolyte for use in rechargeable electrochemical cells having a lithium electrode and a depolarizer which includes an electrochemically active amount of LiAsF.sub.6 dissolved in tetrahydrofuran and a rechargeability improving amount of LiI contained therein to form an electrolyte solution, said solution being capable of passing through a molecular sieve of less than 5 Angstroms. A preferred embodiment includes a 1 molar solution of the LiAsF.sub.6 and from about 0.8 to 1.4 molar solution of LiI.