Abstract: A fault monitoring and diagnostic system for a telephony switching system. Two call processing systems connect through a programmable switch to port group units that receive individual telephone lines. All signals from the port group units are conveyed to both call processing systems, and the call processing systems operate in synchronism. However, the programmable switch conveys signals back to the port group units from only one of the call processing systems. Fault monitoring and diagnostic circuitry monitors various conditions within the telephony switching system. A test call generator automatically performs test calls thereby to diagnose system problems. If a fault is detected, the fault monitoring and diagnostic system controls the programmable switch and, in appropriate circumstances, couples the output signals from the other call processing system to the port group units. Information concerning the nature of the fault is also provided.

Abstract: A coal feed system for use in a fluidized bed combustor in which a grate is supported in a housing and is adapted to support a bed of particulate material including a combustible fuel. Air is passed through the grate and into the bed to fluidize the particulate material. The particulate fuel material is separated externally of the bed into a relatively coarse material and a relatively fine material. The fine material is agglomerated and it, along with the coarse material, is passed to a distributor which distributes the material onto selected areas extending across the upper surface of the bed.

Abstract: A phase locked loop circuit employing a first edge detector consisting of an exclusive OR gate and flip flop circuit feeding by way of a NAND gate, an up counter and a second edge detector of like kind feeding also by way of a NAND gate into a down counter. Both counters feed into an added which provides a signal to a decoder representing the phase difference between the input phase and the output phase signal. The phase processing system provides positive rapid pull-in over the entire frequency range capability of the VCO, which allows narrow bandwidth loops to track rapid rates of frequency change without loss of lock and with great accuracy.

Abstract: An electrical horn has a hollow body fitted with a diaphragm secured to an armature. A self-supporting coil is disposed with clearance in a recess in the body. The coil has no central former but is provided with upper and lower electrically insulating flanges. The flange has laterally projecting support portions engaging the body. The support portion has an integral upstanding post fitted with an electrically conducting sleeve. Mounted in stacked relationship on the support portion and around the post and sleeve are an eyelet and an electrical connector. The post and sleeve are deformed to produce a head which holds the eyelet and electrical connector in engagement without the need to use a rivet extending through the support portion and the body. This reduces the risk of entry of water into the body in service. The lack of a central former for the coil improves air circulation therearound.

Abstract: There is disclosed a ground pin blade having an improved design having a vastly enhanced resistance to fatigue failure. There is also disclosed a molded electrical connector plug utilizing the ground pin blade. The ground pin blade is a channel-shaped member having the sidewalls of its end which is embedded in the molded plug body flared outwardly from a channel shape to an included side wall angle of about 90 degrees. The channel member has an aperture in its bottom wall adjacent the transition between the flared and unflared portion and this aperture receives the electrical conductor for the ground conductor of the electrical cord. The ground pin blade is intended primarily for use in a molded-on, electrical plug useful in life support equipment and, for this purpose, a plurality of strain relief members are used to firmly secure the assembly of the molded plug and electrical conductors.

Abstract: A food product suitable for preparing a filled pastry shell and a method for preparing it are disclosed. The food product comprises an unbaked sheet of puff pastry dough which comprises a central portion which is sufficiently disrupted to reduce normal rising and a substantially-continuous peripheral portion which rises to a greater extent than the central portion during baking. According to a preferred embodiment of the invention, a frozen food insert is disposed over the central portion of the sheet and, during baking, the insert cooks to fill a recess formed as the peripheral portion of the sheet rises to form a shell.

Abstract: A protective cover for an electrical connector capable of torsional flexibility and adapted for use in combination with an electrical connector having a rotatable sleeve for actuating a locking pin to lock the connector's blades. The cover is a unitary elastomeric body comprising a clamping assembly for securing to the connector cable, a gripping sleeve for engaging the rotatable sleeve on the connector, and a torsionally flexible portion joining the clamping assembly and gripping sleeve. The torsionally flexible portion includes an annular series of radial pleats and a thin-walled tubular portion extending from the pleats.

Abstract: Apparatus and methods are disclosed for removing concentrated radioactive aqueous waste from an evaporator and delivering the waste to a storage tank. The evaporator drain conduits are maintained full of feed liquor when concentrated waste is not being removed from the evaporator and feed liquor is used to rinse the conduits after the concentrated waste removal through the conduits is completed. The liquid fed through the conduits is carefully controlled by a sequencer or timer. A fast acting evaporator drain valve is used which can be rinsed by feed liquor to avoid plugging and deposition of radioactive solids in the valve.

Abstract: A gig for hunting frogs and fish having a tubular body, with a rear end portion attachable to an elongated handle. The tubular body has tines fastened to it. One end of each tine is inserted in holes positioned around the body to make contact with the inside surface of the tubular body while a rotatable clincher ring is placed forward of the rear end portion and the holes to secure the tines against the outside surface of the body. The clincher ring has a gap in it which allows the removal and replacement of a defective tine, by rotating the clincher ring until the gap is above the tine to be removed.

Abstract: By providing a single wrapping composition capable of wetting and conditioning unbleached hair fibers while simultaneously protecting, equalizing and conditioning bleached hair fiber so that both the bleached and unbleached hair fibers are capable of responsive interaction with a waving or processing lotion, a unique permanent waving system is achieved which allows a head of hair having both bleached and unbleached hair fiber inseparably mixed, to be permanently waved in a single, uniform application and treatment. In order to assure that the bleached hair fibers will be capable of reacting with the waving or processing lotion, the wrapping composition should comprise an aqueous solution incorporating a hair substantive compound containing a lipoidal alkyl chain having ten or more carbon atoms and a disulfide derivative of a mercaptan with a substituent group. Preferably, the respective chemical compounds are those containing a quaternary ammonium group and a dithio derivation of a thioglycolate.

Abstract: A panel structure for use in blocking glass panes against the passage of heat and cold. In one form the structure comprises first and second rigid foam panel sections joined together by a flexible sheet. The ends of the panels are exposed underneath the sheet so that they may be trimmed to fit the glass pane. Releasable means is also provided for mounting the panel sections in blocking relationship to the glass pane.In another embodiment one of the rigid foam panel sections is provided with a tapered edge so that the section will fit behind the lock on a double hung window. In a further embodiment of the invention a plurality of u-shaped channels are placed around the periphery of the rigid foam sections to form framework. Releasable means may then be secured to the framework to hold the panel structure in blocking relationship to the glass pane.

Abstract: A quantity of Gilsonite Asphalt in proportion ranging from one-tenth gram to three grams per gallon of water to be treated is added in finely powdered form to sea water to coagulate plankton containing metals in the water in a coated treating tank. Treated water is then filtered with a microfine electric filter to remove the plankton and gold and other metals from the sea water. The precipitate is dried and then redissolved in a suitable reagent. Gold and other minerals are separated electrolytically. The treated water then can be desalinized in known manner such as by solar distillation.

Abstract: A rotary furnace volumetric feeder includes a hopper for receiving work pieces, a feed chute which includes two openings disposed therein, a measuring station and discharge chute. The discharge chute is normally sealed, thereby precluding the outside atmosphere from entering the furnace while permitting oven gases to slowly leak to the outside atmosphere providing a more controlled atmosphere in the oven yielding a more controllable process and an improved product.

Abstract: A method and apparatus for improving the efficiency of an integrated combined cycle Brayton-Rankine engine is disclosed. The engine has a main power turbine operating on an open-loop Brayton cycle. Its air supply is furnished by a compressor independently driven by the turbine of a closed-loop Rankine cycle which derives heat energy from the exhaust of the Brayton turbine. A portion of the exhaust gas is recirculated into the compressor inlet during part-load operation. The recirculation of exhaust gas improves the efficiency of the engine at part-load over that which would occur with only ambient temperature air entering the compressor. Also, the controlled application of exhaust gas recirculation improves the dynamic response of the engine to demands for changes in power output and is predicted to reduce the emission of polluting nitros oxides from the engine combustor.

Abstract: Lead is electrowon from aqueous phosphorus-containing fluosilicic acid solution by deposition on a lead cathode, employing an anode comprising a titanium substrate and an electrodeposited lead oxide coating having a uniform, dense grain size and structure.

Abstract: A circular saw of improved vibration characteristics in which the saw teeth are arranged in an odd number plurality of segments and wherein each segment includes a relatively rigid zone and a relatively flexible zone obtained by varying tooth spacing. Also, the tooth-to-tooth spacing is preferably randomly varied to reduce harmonic vibration.

Abstract: An electrically and mechanically modular design of a high impedance, passive tap is disclosed for use in distributed, serial transmission systems to provide a tap connection to the primary transmission line with minimum loading and reflection. The tap is comprised of the cable connectors and a microstrip circuit compatible with an associated transceiver.

Abstract: An electrochemical cell is shown wherein anode 1 of a reactive metal having an insulating film 2 thereon is separated from cathode 6 by a non-conductive flow screen 4. A porous, expandable element 5 is positioned between screen 4 and cathode 6 to maintain essentially uniform dimensions of the electrolyte flow channel defined by screen 4 as the anode is consumed during cell operation. Preferably, when a multiplicity of cells are electrically connected together, a plurality of separator elements 8 between the respective anodes and cathodes are utilized to ensure that each cell in the multi-cell configuration is subject to essentially identical compression forces in assembly and during discharge.

Abstract: This invention relates to a durable press treatment for textile fabrics containing cellulosic fibers and which is characterized by avoiding the use of formaldehyde and problems associated therewith. The fabric is impregnated with a formaldehyde-free finishing agent containing glyoxal, reactive silicone, a catalyst and a buffering agent for reducing the acidity of the fabric. The fabric is thereafter dried and the finishing agent is cured to impart durable press properties to the fabric.

Abstract: The subject of the present disclosure is a new and distinct variety of miniature rose plant characterized by the small well shaped buds and flowers, essentially a bi-color, the same being light to deeper shades of pink on upper petal surfaces and white to softer pink on reverse surface.