Abstract: An apparatus for delivering a fluid grinding material to a grinding area in a grinding or polishing apparatus comprises a vessel in which a fluid grinding material is mixed and removed therefrom by conveyor means which drop it continuously in the grinding area. This automatic mixing and continuous transportation from the mixing vessel to the grinding area produces a more homogeneous grinding material in a freshly mixed non-volatile state and thereby provides an improved grinding effect.

Abstract: A sharpener having a clam-shell housing in which a motor is mounted for driving a grinding wheel disposed adjacent one end of the housing, a chuck which holds either twist drills or a diamond dresser, the chuck being indexable 180.degree. about its axis, and structure for mounting the chuck relative to the grinding wheel so that either the twist drill can be moved in a prescribed manner across the grinding periphery of the grinding wheel, or so that the diamond dresser can be moved across the grinding wheel in order to dress the wheel to a form suitable for sharpening twist drills or the like, and also means for moving the twist drills or the like or diamond dresser towards the grinding wheel.

Abstract: A cleaning device for water closets comprising a holder stick device having a handle part and a clamping member which is manually operable between a clamping position and a release position for releasably engaging a cleaning pad intended for usage during only a single cleaning operation. The cleaning pad is constructed of material whereby the pad will disintegrate in water and includes a material disintegratable by means of water and being provided with a cleaning compound. A receptacle arranged to contain a number of the pads laid in a pile one upon the other is arranged to support the holder stick device in a position whereby the clamping member rests against the top pad in a position facilitating clamping of the top pad by the clamping member.

Abstract: An inflatable tent is in the shape of a non-planar tetrahedron. The tent is formed from a single rectangular, planar sheet joined with itself along three linear seams.

Abstract: A free-standing fabricatable vertical wall or space divider is useful for partitioning buildings and/or office complexes. The wall is made up of a plurality of individualized and decorative flush panel units which are interchangeable and which are adapted to be readily inserted within a wall frame and locked into place without any visual showing of vertical supports used to lock the panels in place. The panels may be removed, redecorated and replaced as needed. Shelving or other appurtenances are attachable to the hidden vertical supports. The entire wall panel and/or divider is capable of replacement when it is desired to rearrange or enlarge or change a given floor space. Identical walls or dividers of the same basic construction are transversely connectable to each other.

Abstract: A water blocking device mainly for the use on the interior of buildings and the like, but also usable outside thereof comprises a triangular-shaped structure in two shapes which may be interlocked to form small dam-like barriers. The primary structure is straight and formed with tongue and groove ends with one tongue being interlockable with the groove of the adjacent section. The second shape being that of a 45.degree. curve again with the tongue and groove interlocking end portions. On the bottom surface of both type sections, recessed disc portions are provided to form in effect a plurality of miniature suction cups. Thus, when two or more of these structures are interlocked together and appropriately fastened to a smooth surface such as provided by a floor of a building, a quickly removable and interchangeable semi-permanent dam structure will be formed.

Abstract: Each prefabricated side wall of a transportation type vehicle has a joint surface formed along the lower, inner side thereof for seating thereto the laterally outward edge portions of two flanges which extend laterally outwardly in vertically spaced, parallel relation along each side of a prefabricated floor slab of such vehicle. An upwardly tapered bead along the outer edge of the uppermost of each pair of such flanges enters a recess provided therefor along its respective side wall surface. Also, one half of a plastic-key-interlock joint is formed along the outer edge of the lowermost flange of each pair for interlocking engagement with a second half of each such joint which is formed along each such joint surface. With the side walls substantially perpendicular to the floor slab, upward movement of each tapered bead into its recess also moves the joint halves associated therewith into interlocking engagement with each other, and simultaneously opens up a key-forming passage lengthwise within each joint.

Abstract: An interlocking building block construction comprising an overlapping masonry block having opposite sides, stepped opposite upper and lower longitudinal faces, and stepped opposite vertical end faces. A plurality of spaced tapered recesses with flat bottom surfaces are located on the upper longitudinal face, and a plurality of correspondingly shaped lugs are formed in the lower longitudinal face. There are two enlarged rectangular openings extending entirely through the block located in the central area of the upper and lower faces between the vertical end faces. A plurality of small apertures are formed in and adjacent to the lugs for receiving pins for interlocking adjacent blocks. Header blocks, pilaster blocks, partition blocks and filler blocks are provided for interlocking assembly with the interlocking building blocks to build walls of a building without the use of grout or cement.

Abstract: A mounting for a spherical tank holding gases or liquids which is supported on a rigid concrete foundation in a region of the vertical axis of the tank, the mounting consisting essentially of a spaced array of rigid support elements of foamed or sponge structure, such as foam glass blocks within a matrix of light heat insulating filler such as a mixture on the basis of polyurethane. The upper and the lower surfaces of the array of support elements and matrix are coated with an elastic layer, which are bonded to the steel surface of the tank and to the top of the foundation. The upper elastic layer may consist of felted fine gauge aluminium wire, while the lower elastic layer may consist of felted mineral fibres.

Abstract: A structural assembly comprises a frame structure and infill panes or panels retained in the frame structure with weathertight seals at their peripheral edges and at marginal portions of their inner faces adjacent to said edges. Clamping means engaging the outer faces of the panes or panels apply sealing pressure for said marginal portions but are not relied on to provide seals. In a preferred construction the sealing means are substantially flush with the outer faces of the panes or panels and the clamping means comprise a series of small and widely spaced devices that bridge contiguous panes or panels.

Abstract: A wall construction suitable for an exterior load bearing wall includes spaced studding positioned vertically between upper and lower plates with the outer surfaces of the studs scalloped so as to present limited areas of contact with an insulating board affixed thereto and preferably incorporating a moisture seal membrane. Siding or the like is positioned on the exterior of the insulating board to form the exterior surface of the wall and lath and plaster or dry wall is affixed to the interior surface of the studding in continuous contact therewith to complete the wall construction, the arrangement being such that the studding act as heat conveying fins on the lath and plaster or dry wall so as to warm the area within the wall construction. The spaced transversely positioned scallops in the exterior surface of the studding substantially isolating the studding from the insulating board and exterior siding.

Abstract: A method of making a building panel and the panel made by the steps which include laying a mold form horizontally, laying bricks in the pattern indicated in the mold form and depositing a fibrous and cementitious mixture in the spaces between the bricks and over the tops of the bricks. Providing a reinforcing lattice work and forcing it into the still soft cementitious mixture. Subsequently, a resin insulating material is foamed in situ in the mold cavities formed between the elements of the lattice work. Optionally, a smooth finish coat of material may be troweled or sprayed over the insulation material.

Abstract: A panel for construction purposes and having opposite edges to be interlocked with adjacent panels. The panel has a C-shaped interlocked member at one edge and C-shaped slot at the other edge. In assembly the C-shaped member of one panel is slid into the C-shaped slot of the other panel for interlocked purposes.

Abstract: Decorative precast concrete boards having a pore-free decorative porcelain-tile-like, hewn-stone-like or relief surface and a porous core layer are provided. Such precast concrete boards are produced by applying inorganic cement mortar containing siliceous volcanic sand called "shirasu" in a flat mold made of an elastomeric material so as to form the pore-free surface and pouring thereon an inorganic concrete mortar containing expanded particles of said siliceous sand as the aggregate. The concrete boards do not suffer efflorescence.

Abstract: Tubular wire grid reinforcing cages for concrete pipe or similar structures are constructed from a plurality of prefabricated peripheral segments or cage sections, each section extending the full axial length of the completed cage and defining a portion only of the peripheral extent of the cage. By prefabricating the cage sections as individual segments, the individual segments or cage sections can be more efficiently designed and constructed to counteract the stresses encountered in the completed pipe, which stresses differ substantially at various points about the pipe periphery. The segmental cage section construction further enables the prefabricated sections to be compactly nested for shipping and storage, as well as simplifying problems of constructing cages for bell mouthed pipe.

Abstract: A truss having parallel wood chord members and diagonal web members therebetween connected to the chord members by toothed metal plates. The diagonal web members under compression are wood having their ends fitted into notches in the chord members and the web members under tension are preferably metal with their ends connected to one side of the chord members by toothed plates which overlie the notches. The toothed plates connecting the ends of the compression members to the chord members overlie the notches on the other side of the chord members.

Abstract: Techniques are described for forming an elevated concrete slab-like supporting platform. A sand blanket is installed on the platform site and supporting piles are driven down through the sand blanket. A concrete slat is poured over the sand blanket and a moat is dug around its periphery. Water jet nozzles are positioned within the sand blanket prior to pouring of the concrete slab; and water conduits are also provided to extend from outside the sand blanket to the nozzles. After the concrete slab hardens, water is pumped through the conduits to form water jets at the nozzles which wash the sand blanket out from under the slab.

Abstract: A technique for controlling the pressure in a closed, sealed article, such as a tennis ball or the like. A needle having a sharp, forward, outer end adapted to puncture the article includes a passage in its rear end which terminates in a flow orifice which opens through the side of the needle, between the ends of the needle. Means are provided at the outer end of the needle to carry a resilient sealing plug. The needle may be attached to a syringe or other appropriate means for injecting or withdrawing air from the article. The article is punctured by the plug-carrying needle which is inserted to expose the flow orifice interiorly of the article and to locate the plug within the article. Air is introduced or withdrawn from the article as desired. When the desired pressure level is reached, the needle is withdrawn.

Abstract: A device is provided for conveniently holding a flexible bag open and extended so as to be filled and which is particularly designed to enable a user to quickly and easily form a tightly twisted closure for removal of a loaded bag. The device features a base upon which a support platform and stand are rotatably mounted with the stand having a wirelike frame construction promoting access to a loaded bag for efficient removal from the support platform upon spinning the bag to form an open top of the bag into a tightly wound closure serving as a handle for the bag.

Abstract: The disclosure embraces noise abatement apparatus and a method of abating noise in a yarn texturing machine of the type that employs rotatable spindles driven by endless belts, heater means and yarn transport means, all of which are spaced along a frame between a gear housing and a motor housing; the apparatus includes sound insulating walls for enclosing the timing belt driven pulley located nearest the gear housing together with tunnels lined with sound absorbing material through which the endless belts of the machine pass from the gear housing over the frame of the machine; also, there are included means for isolating the vibrations of idler pulleys for the drive belts from the mounting rail as well as reducing sound propagation from the rotating idler pulleys; noise generated from within the gear housing of the machines is also suppressed.

Abstract: A device for reinserting the broken yarn in an open end spinning unit, comprising a yarn gripping element, attached to an endless belt passing in front of a yarn gripping position on the winding up bobbin and a device for reinserting the broken yarn in the spinning unit; control means act on the belt to move the yarn gripping member from the gripping position to the reinserting position in the spinning unit and then stopping it at least at a location of the path of the endless belt.

Abstract: Poly(tetramethylene terephthalate) hosiery yarn.

Abstract: An electronic digital clock includes an arbitrary number of fixed value stores the BCD stored values of which are compared with the BCD time representative signals generated by the clock to produce, in the event of coincidence, an electrical output signal which serves for switching purposes. In order to reduce the number of connections to be made to an integrated clock chip the clock may include a changeover switch which enables connections to the clock display device also to be used as connections to the stores.

Abstract: A rotary mower having a discharge chute with a downwardly angled guard for interception of missiles, the structure providing a coupling mechanism for securing a catcher to the chute, with attachment of the catcher serving to tilt the guard upwardly and to lock it in a horizontal position in which the clippings are freely discharged into the catcher. More particularly, the guard has inwardly extending projections formed with upwardly facing notches, and the chute has a cooperating outwardly facing groove. The catcher frame includes a horizontal supporting rod which is pressed against the projections incident to installing the catcher to swing the guard upwardly until the rod drops into seated position in the groove, the vertical edges of the notches serving to hold the rod captive. The rod is guided into seated position by an upstanding guide surface.

Abstract: A hedging apparatus is disclosed which comprises a wheeled vehicle having a specially adapted chain saw thereon for cutting limbs and branches from trees, hedges, or shrubs, which are planted in rows. The chain saw is provided with a plurality of spaced-apart guide bars which extend forwardly of the cutter chain, thus assuring the severing of limber branches which would otherwise be pushed aside by the saw and remain uncut. Resilient springs in the form of elongated rods can be used in conjunction with the guide bars to prevent chattering of the branches being cut. To particular advantage, a positioner can be provided for setting the chain saw blade at a selected pitch angle and for maintaining the selected pitch angle during a hedging operation. To further advantage, a hopper can also be provided for collection and disposal of the severed limbs and branches during the hedging operation so that they do not have to be subsequently gathered up and hauled to another site for disposal.

Abstract: In a cordless electric rotary lawnmower, for example, of the type having two counter-rotating blades, a blade configuration providing substantially improved efficiency and performance is disclosed. The lawnmower is battery operated and each blade in a twin blade mower, or the single blade of a single blade mower, is provided with a configuration to maximize cutting effectiveness, air flow and blade life. The blade comprises a generally rectangular strip of metal having a cross section defined by two parallel spaced flat surfaces joined at their ends by generally tapering surfaces. The flat surfaces extend across approximately 50 to 70% of the total width of the blade adjacent the blade ends and preferably extend across about 60%. In addition, the blade deviates from a rectangular strip in that its outer portions are twisted downwardly from a planar portion at the center to define a lift angle to obtain axial air flow.

Abstract: The invention contemplates a combination steam-gas generator engine having a rotatable burner can that is provided with a cylindrical exposed inner water wall jacket-liner that is held in place by the centrifugal force generated by rotation of the burner can such that the portion of the radiated heat absorbed by the water jacket-liner is used to develop a contributory supply of water vapor or steam that enters the power providing fluid flow stream, such that said water jacket-liner serves both as a heat shield and as a source of energy laden fluid.

Abstract: A split flow injector for solid fuel ramjets (SFRJ) having a tube injected nto the injector port of a SFRJ to split the air into two streams wherein the primary airflow through the annular area around the tube is injected into the recirculation region just inside the injector port to stabilize combustion.

Abstract: A port liner assembly comprises a tubular liner embedded in a cylinder head block as its moulding so as to be integrally formed into a heat-insulation wall surrounding an exhaust port formed in said cylinder head block, said tubular liner consisting of an outer tube and an inner tube spaced inside of said outer tube.

Abstract: Heat insulating apparatus for an exhaust pipe of an internal combustion engine to maintain exhaust gases at high temperature to reduce unburned constituents. The apparatus is so arranged as to permit the thermal expansion of the exhaust pipe. The exhaust pipe is located with a heat insulating material which in turn is coated with a cover. One end of the cover is secured to the exhaust pipe and the other end is slidably engaged with the exhaust pipe.

Abstract: A water motor unit includes a fixed cylinder having an outlet conduit on the bottom thereof and a telescoping sleeve on the upper end thereof. A piston head is disposed for reciprocating movement above the sleeve. The water motor unit is immersed in a container providing a continuous supply of water. When the piston head is in its uppermost position ports provided on the sleeve and the cylinder are open to permit a column of water to flow from the container down through the outlet conduit. As the piston head descends, the sleeve telescopes into the cylinder and closes off the ports in each causing the column of water in the outlet conduit to exert a downward pull on the piston head. When the piston head is in its lowermost position the ports in the sleeve and the cylinder mate at which time water again flows from the container into the cylinder and relieves the pull of the column of water on the piston head.

Abstract: At least one device for generating power from sunlight, wind and/or water movement supplies power to a hydraulic pump which uses such power to pump hydraulic fluid to a tank which receives and stores the hydraulic fluid under a constant pressure. The hydraulic fluid stored within the tank is allowed to selectively pass to a hydraulic motor whereby the hydraulic motor is activated.

Abstract: A Stirling cycle engine utilizing internal heat exchangers and heat regenerators. The engine is comprised of two wedge-shaped spherical sectors connected by a disk-like universal type coupling within a spherical housing to form four separate chambers. One sector is fixed relative to the housing while the other sector is nutated about the center of the assembly to vary the relative displacement of the chambers. The sectors, which are covered with heat conducting fins, serve as heat exchangers to transfer heat to or from a working fluid contained within the chambers. The coupling disk has two wedge-shaped spherical sectors mounted on each side, which are also covered with fins complementary to the heat exchanger sectors, and which contain passageways to connect the chambers on opposite sides to form two interconnected pair. The coupling sectors serve as heat regenerators to transfer heat to and from the working fluid as it is transferred from one interconnected chamber to the other.

Abstract: A thermal engine system is characterized by a cylinder having a suitable working fluid disposed therein and having a piston reciprocally movable in first and second directions within the cylinder, the piston dividing the cylinder into first and second pressurization regions. In one embodiment, a thermally responsive, expansible member is operatively connected directly at one free terminus thereof to the piston. In an alternate embodiment, the free terminus of the thermally responsive, expansible member is indirectly attached to one or more double-acting piston-cylinders through lever connections. The thermally responsive, expansible member is connected at the second end thereof to suitable means for maintaining the second end of the expansible member in a substantially stationary position.

Abstract: An auxiliary power system for an internal combustion engine. The system employs a vapor or hot gas engine coupled to an internal combustion engine by means of an overruning clutch assembly. The internal combustion engine, operated conventionally, generates heat in its cooling and exhaust systems as well as in accessory equipment. The heat generated in the internal combustion engine and its accessories is used for generating vapor in one or more heat exchangers, the vapor preferably being from a liquid with a boiling point well below that of water. The generated vapor is used to drive a vapor engine. Temperature-sensitive means is employed to measure the heat generated in one or more parts of the system for controlling a linear solenoid valve for automatically controlling the internal combustion engine temperatures and thereby the amount of vapor generated.

Abstract: Heat from an exothermic chemical reaction(s) is employed to superheat and/or reheat steam generated by a light water nuclear reactor (LWR). The use of such a source of heat enables the selection of a temperature for the heating limited by thermodynamic considerations that eliminates equipment failures due to overheating the heater tubes.

Abstract: The subject invention relates to method and apparatus for controlling or manipulating a body of crude, refined, or used petroleum as, for example: in the herding and recovery of an oil spill in a body of water; in temporarily stopping a leak in an oil tanker caused by a cracked hull; in recovering oil inadvertantly spilled on a beach front; in plugging an oil casing pipe to control an oil fire at sea on a drilling platform; in effecting preliminary refinement of oil at the oil rig site; in transporting oil from the Arctic or Antarctic region without resorting to complicated and costly apparatus; and in many other applications. The method basically comprises exposing a body of crude, refined, or used petroleum mass either to a transient atmosphere or environment of a freezing, sub-freezing, or cryogenics temperature, or contacting the petroleum with a substance or mechanism exhibiting freezing, sub-freezing, or cryogenics temperatures.

Abstract: A slipform and method for forming a concrete lining in upright open shafts having been previously filled with a liquid such as drilling mud. The drilling mud below the slipform apparatus is pressurized to push the slipform upwardly within the shaft while it simultaneously forms delivered concrete into a monolithic lining within the shaft. The apparatus includes outer and inner slipform members. The inner slipform member fits within a conical recess of the outer slipform member and includes a lower cylindrical portion for forming the open inside diameter of the lining. Concrete, in a plastic, wet condition, is pumped between the two slipform members to be molded against the shaft wall into an upwardly open monolithic concrete lining. The rate of ascent of the forms is timed in accordance with the setting time of the concrete so that the upwardly moving form leaves a hardened monolithic lining behind.

Abstract: Disclosed is an apparatus to detect misaligned clay tiles in the chute of a tile-laying machine and realign any tiles incorrectly aligned. The apparatus is capable of being retrofitted onto existing tile-laying machinery as well as being incorporated into improved future designs. The apparatus is comprised of alignment sensing switches which in turn control solenoid operated repositioning levers. The levers realign the ceramic tiles such that they are properly positioned to avoid gaps in the tile field.

Abstract: Apparatus mounted in a motor vehicle for cooling by evaporation the condenser of an air conditioning system in the vehicle. The apparatus includes a coolant tank in the vehicle having a pump to pump coolant to a manifold upon demand from which it is sprayed onto the condenser. A float in the tank activates a switch to stop the pump motor when the coolant level in the tank reaches a predetermined level.

Abstract: Wake-up apparatus includes an elongated hose having a funnel member at one end for coupling to the output side of a room air conditioner and a horizontally elongated rectangular outlet on the other end for placement on a mattress for directing air therealong. A rotatable damper vane mounted in the hose is controlled by a motor energized via an electric timer for driving the vane to an open position at a predetermined time for causing a blast of cold air along the mattress.

Abstract: A conventional absorption refrigeration system is combined in series with a vapor compression refrigeration system to effect the improvement, which comprises compressing the vapor refrigerant from the evaporator before introducing it into the absorber and/or compressing the vapor refrigerant from the generator before introducing it into the condenser. One bypass permits direct operation as a vapor-compression refrigeration system. Bypasses also permit direct operation as an absorption system.

Abstract: According to the invention a flexible drill pipe constructed of a closed pitch cylindrical spiral coil of wire rod with a floating core of tube sections constructed the same positioned end to end but not attached through the hollow center of the coil of wire rod to keep the coil of wire rod from collapsing under torsion loads required for a drilling operation. A thin wall hose is laid through the tube sections so drilling fluids can be pumped through the flexible drill pipe during a drilling operation.

Abstract: A flexible coupling includes a plurality of flexible torque-transmitting members arranged in a circular pattern around the axis of the coupling. Each member is of an elastomeric material and has two parallel stud-receiving passageways. The studs projecting through the radially outer passageways of the torque-transmitting members are supported on their axially outer ends by one part of the coupling. The studs projecting through the radially inner passageways are supported at their axially outer ends by the other part of the coupling. Thus torques are transmitted from one part of the coupling by way of the radially outer studs, the torque-transmitting members, and the radially inner studs, to the other part of the coupling, or vice versa.

Abstract: An improved flexible coupling assembly for connecting a driving member to a driven member and includes two spaced circular end plates, one for securing to the driving member and one for securing to the driven member, the end plates being interconnected by a one-piece flexible plastic molded body having a plurality of bowed ribs which compensates for axial and lateral displacement between the end plates.

Abstract: A shock absorbing subassembly with a body, a mandrel slidably and non-rotatively received in the body, dampening means therebetween, an upper seal above the dampening means and a floating seal therebelow for maintaining an oil bath between the body and the mandrel, a primary seal between the body and the mandrel below the floating seal, and a secondary seal actuated upon a predetermined magnitude of leakage past the primary seal to sequentially establish another seal between the body and the mandrel above the primary seal and below the floating seal.

Abstract: Patterning apparatus for pile knitting machines for manufacturing patterned knitted pile fabrics on crochetting machines having a row of side-by-side needles, and multiple pile thread guides provided with a pile thread selecting sinker for each needle, the thread exit openings of the multiple pile thread guides being disposed in spaced relationship one to the other along lines substantially in parallel with the longitudinal axes of the needles; the selecting sinkers being supported on a vertically movable bar for pivotal movement about axis parallel to the row of needles to selected thread exit openings of their respective multiple pile thread guide via patterning spacers operable adjacent the upper ends of the sinkers, the sinkers incorporating stop elements on said upper ends operative with stop linkages shared in common by all thread selecting sinkers.

Abstract: A plurality of machines, such as circular hosiery machines, are controlled at preselected times during a knitting cycle by a central control unit. Each machine includes, in addition to the needle cylinder, a revolutions counter and angular position detector cooperatively connected to the cylinder, as well as actuators which change or vary the operations performed on the article by the cylinder. If desired a size-change unit may be provided for each machine to vary the sizes of the body, leg, and foot of articles produced. A cyclical switching generator successively and individually feeds information from the angular detector and revolutions counter into a central control unit from each machine as well as feeding information from the central control unit to the actuators of each machine, so that, for any position and after a prescribed number of revolutions of each machine, prescribed knitting functions may be directed.

Abstract: A lock-protective device designed to be used with various well known garage-door-locking units wherein the units include a sliding bolt, adapted to be slidably secured to the lock housing of the unit by a padlock, the present lock-protective device comprising a protective plate having a front wall and an integrally formed rear wall which is bent over to form a support keeper that is received over the locking bolt and allows the front wall to cover the padlock. There is included a lock strut positioned between the front and rear wall members, said strut having an aperture therein to correspond to the opening in the existing ear of the lock housing, whereby the padlock arm is received through both openings to prevent removal of the lock-protective device therefrom.

Abstract: A locking device for a pair of skis having a first and second attachment mountable on respective skis. The first attachment includes a locking bolt which is positioned flush with the underside of the ski in a retracted position and is projected substantially beyond the underside of said ski in an extended position. A head portion of the lock bolt is received through an orifice of a second attachment and includes a lock surface for mating with end wall surrounding the orifice. The lock bolt head is rotated to a locked position by a lock means which is operated by a tumbler. A bolt is threadably received into an opening formed from the upper to the lower surface of each ski and provides a mounting for a housing portion of each attachment.