Abstract: A method of providing a uniform tightly adhered solid substantially continuous deposit of a friction-producing resin, such as nylon, in the bottom of the thread grooves of a threaded metal member, preferably of the type in which the threads' surfaces are identified in the trade as phosphate or phosphated surfaces, which comprises forming a 1-3% alcohol flow-promoting solution of a polymeric material selected from a group consisting of acrylic material, polyesters, polyvinyl acetates and nylons, applying the solution to the area of the threads in which the friction-producing deposit is to be made to form a thin uniform film of the solution on the thread surfaces, preparing a substantially aqueous viscous fluid mixture of the cured friction-producing resin powder, applying the mixture to the coated threaded surfaces to form in the thread grooves a deposit concentrated in the bottom of the thread grooves to a depth sufficient to interfere with at least the crests of threads of a mating threaded member, drying th

Abstract: An end closure for a rail car which comprises a pair of doors mounted for lateral movement from a closed position across the major lower portion of the opening in one end of the rail car to an open position. A panel is mounted above each door for lateral movement from a closed position across an upper portion of the opening in the end of the rail car to an open position. Each panel is connected to the door beneath it to cause the panel to be moved to open and closed positions by the corresponding movement of the door.

Abstract: A water purification system for use in combination with a domestic hot water heating tank. The system includes a water container for containing water separate from the water in the tank. A conduit carries hot water from the tank to the container, passing in close proximity to the heating unit of the hot water tank. A duct leading from the container conveys water vapor formed in the container to a receptacle. The water in the receptacle having been evaporated and condensed is thus purified for domestic use.

Abstract: Method and apparatus for splicing the ends of spun yarn includes means for inserting the yarn ends into a hole associated with a splicing nozzle having one or more air jet pipes, in which hole the ends are subjected to an air jet to join them each other. Yarn end control nozzles for the yarn on the package side and the yarn on the bobbin side are disposed at each end of the splicing nozzle to suck the yarn ends in the corresponding yarn end control nozzles, respectively and to keep the yarn ends free therein.

Abstract: Sliding door structure including an outer frame, at least one fixed and one movable door panel, and a screen door, said frame including a head having a single, inwardly extending movable door panel guiding fin and all mitered corners which corners include integral, offset abutment structure for insuring proper alignment of the corners in assembly, improved weather stripping at both the top and bottom rail of both the fixed and movable door panels, bottom adjusting structure for the movable door panel, and two-member glazing structure for the door panels capable of resisting high wind force and permitting glazing of the door panels from the inside. The frame and door panels include substantially universal and reversible members to reduce inventory. Resilient bumpers, a weather stop and prowler lock structure permitting locking of the sliding door structure of the movable door panel in a number of selected positions are also disclosed.

Abstract: Triple action piercing structure comprising an outer cylinder, an inner cylinder, a shaft and radially extending piston means operable between the inner and outer cylinders for providing a plurality of separate pressure chambers between the inner and outer cylinders, specific, simple and efficient passage means for passing a pressure medium into and exhausting the pressure medium from the pressure chambers to produce relative axial movement between the inner and outer cylinders at a particularly high pressure for cylinders of predetermined diameter to facilitate piercing of large diameter openings in thick hard workpieces.

Abstract: A nut having a threaded opening in which the sides of the threads are substantially uniformly coated from root to crest thereof with a thermoplastic material; also the method of producing the article in which an excess of powdered thermoplastic material is provided to fill the threaded opening with an excess of material extending beyond an end of the opening. Thereafter, the material is compacted by pressure or vibration to insure that the powdered material substantially fills the thread grooves. The nut is then heated, softening or melting those particles in contact with the thread surfaces, adhering them thereto, after which the remaining material in the threaded opening is eliminated.

Abstract: Operation conditions of a knitting machine for respective courses are marked on predetermined columns of a program sheet and are thus stored, the program sheet is rotated in the normal direction or reverse direction by one pitch per course, and marks are read out at every step of the program sheet by a mark reader to operate the knitting machine under conditions indicated by the read marks. In the apparatus for saving instuctions of a program sheet according to the present invention, when the operation of a knitting machine is continuously conducted under the same conditions, the stepwise advance of the program sheet is stopped and when the operation of the knitting machine is repeated according to a certain operation cycle, the program sheet is rotated in the normal direction or reverse direction according to said operation cycle.

Abstract: The invention relates to a roof and wall covering, in particular for heat-insulating house walls or roofs, consisting of board-like hollow plastic sections with several through profile chambers extending in longitudinal direction and of edge profiles insertable flush into each other.

Abstract: A nail polish dryer comprising an upwardly open bowl shaped body having a centrally located upward extension spaced inwardly from the periphery. The extension is provided with a support for the hand of the user which will position the nails of the thumb and fingers generally adjacent an annular space between the upward extension and the periphery of the body. Ports are provided surrounding the upward extension to direct drying air against the nails of the user. Preferably a switch activator is provided at the top of the upward extension adapted to be activated by the weight of the user's hand. A blower and preferably heating means are provided within the body and the blower directs heated air against the nails of the user.

Abstract: A parallel resonant electric circuit comprising a first and second concentric electrical coil wound in the same directions with the convolutions of the one coil between the convolutions of the other coil and with one end of one coil connected to the opposite end of the other coil, and a third electrical coil extending within the first and second coil if it is desired to tune the parallel resonant circuit.

Abstract: Footwear comprising cloth inner sole, back and front members constructed of three separate layers of jean material quilted together and frayed at their edges. The back and front members are sewn to the inner sole about the periphery of the inner sole and a rubber outer sole is sewn to the inner sole about the periphery thereof. A three layer, jean material, tie extends completely around the top of the back member of the footwear and beyond the front end thereof for securing the footwear to a human ankle. In manufacture of the footwear, the back is sewn to the inner sole at the back of the inner sole initially and then toward the front of the inner sole on both sides thereof to within a short distance of both ends of the back member, the front member is completely sewn to the front of the inner sole around the periphery thereof, after which the sewing of the back member to the inner sole is completed.

Abstract: Apparatus for performing machining operations on a workpiece or detail at different angles, comprising a rotatable table having a plurality of locating holes preferably spaced at one degree intervals about its periphery, two indexing pins insertable in the holes, and two indexing blocks having prongs provided with abutment surfaces in positions to be contacted by the pins. The table normally rests upon pads during a machining operation. To rotate the table to a new position, the table is lifted from the pads by a manually operable lifting mechanism. Anti-friction rollers support the table when raised to facilitate rotation.

Abstract: A loader for a forging press or the like comprising a transfer arm movable from a work pickup station to a work receiving station. A clamp is provided on the transfer arm for clamping and unclamping the work.

Abstract: A self-contained window unit adapted to be assembled in an oven door. The window unit comprises at least two glass panes held in spaced parallel relation by a channel-shaped spacer having means engaging the peripheral edge portion of one of the panes, and individual clips or brackets mounted on the spacer and having clip portions engaging the peripheral edge portion of the other pane. The clips may be designed to hold third and fourth glass panes in spaced parallel relation to the first two panes.

Abstract: A tooling gage for gaging the accuracy of critical surfaces on a tool. The gage is universal in the sense that it may be used to check a wide variety of tools. The gage comprises a work holder and one or more adjustable gaging devices. Means are provided for securing each gaging device in adjusted position with respect to the tool.

Abstract: A system of operating an engine on a recyclable, relatively non-polluting fuel. The fuel may include any one or more of the following: magnesium (Mg), aluminum (Al), magnesium plus aluminum, magnesium-aluminum alloy, magnesium hydride (MgH.sub.2) aluminum hydride (AlH.sub.3) and magnesium aluminum hydride (Mg(AlH.sub.4).sub.2). The fuel when burned produces oxides and hydroxides of magnesium and/or aluminum. The oxides and hydroxides can be reduced to magnesium and/or aluminum and/or their hydrides and reformed for reuse in the engine. The system is intended for use not only in automotive engines but also stationary power plants including refrigeration.

Abstract: This apparatus is used for splicing the ends of the spun yarn by inserting the yarn ends into an air jet nozzle having one or a plurality of air jet pipes, in which they are doubled and subjected to an air jet to join each other. Yarn end cutting and holding devices for the top yarn and the bottom yarn are disposed at the both ends of a yarn inserting hole of the air jet nozzle. An automatic yarn inserting device may be provided with the apparatus to introduce the yarn ends into the yarn inserting hole and into the yarn end cutting and holding devices.

Abstract: A ground flare comprising a furnace body in the form of a tubular wall having a circular or polygonal cross section and a bottom open over the substantially entire bottom area and a multiplicity of burners arranged at the opening of the bottom of the furnace body. Each of the burners comprises a gas nozzle and a gas mixing tube having an open lower end with the upper end of the gas nozzle positioned therein and a substantially cylindrical inner surface. Most suitably for the prevention of black smoke and vibration, the gas mixing tube has an inside diameter 2 to 5 times the inside diameter of the gas nozzle and a length 5 to 10 times the inside diameter of the tube. Flame transfer plates provided between the upper ends of the gas mixing tubes serve to greatly reduce the number of pilot burners which otherwise would be needed.

Abstract: An apparatus comprising a resin plasticizing injection machine having an injection nozzle, a branch portion connected to the injection nozzle and having a plurality of outlet ports, molds and mold clamping devices both arranged around the branch portion in corresponding relation to the outlet ports, and an extension nozzle for maintaining each of the outlet ports in communication with each of the molds. Pressure control means is provided at an intermediate portion of the extension nozzle for maintaining the mold cavity at a specified pressure after resin has been injected into the mold. Means is provided for closing a flow channel extending from the injection machine to the pressure control means. After resin has been injected into a mold, the cavity of the mold can be maintained at the specified pressure by the pressure control means in place of the injection machine, so that the injection machine and the next mold can be subsequently brought into operation.