Abstract: A multiple function doll having a unitary drop-in internal mechanism including a motor which rotates a cam to cause an arm of the doll to wave and rotates a drive shaft to reciprocate a pump which causes the doll to tear. The simplified mechanism is constructed to provide conduits for liquid from the doll's mouth to a reservoir and from the reservoir to the doll's eyes so that internal tubing is eliminated. The elimination of tubing and reduction of components reduces substantially the tendency of the doll to failure.

Abstract: A dry seeding mulch having finely shredded or ground particles of waste paper mixed with a dry powdered chemical wetting agent and injected, after bagging, with a concentrated dye mixture which imparts color to the entire bag of mulch when mixed with water by the ultimate user. The mulch is produced by grinding or shredding waste paper into finely divided particles and mixing the finely divided particles of waste paper with a dry chemical wetting agent in the form of a powder. The dry mixture of paper particles and powdered chemical wetting agent is bagged for shipment and then injected with a concentrated chemical dye which produces only localized coloring at the point of injection. The entire contents of bag are colored by the dye when the ultimate user to whom the bag has been shipped mixes the dry mulch with water.

Abstract: A device for supporting a plant contained in a pot, and having a water reservoir and wick having a portion thereof retained in the water reservoir and a portion thereof extending into the soil of the pot.

Abstract: The present invention is directed to a window of the tilt and turn type which may selectively be positioned in a locked condition wherein the window member is in coplanar alignment with the frame; in a vent position whereat the window is tiltable about a horizontal axis adjacent the lower edge thereof; and a casement position whereat the window may be pivoted about a vertical axis, as for cleaning. The device is characterized in that the operating mechanism controlling the various conditions of operation of the window is provided with safety interlock means whereby the window may not be dislodged from its normal operating conditions by inadvertent or improper actuation of the operating handle.

Abstract: An improved hub assembly is utilized to rotatably mount a grinding wheel. The hub assembly includes a hub which engages a first major side surface of the grinding wheel. A circular clamp member is mounted on the hub by a plurality of fasteners. An annular flange ring circumscribes the clamp member and engages a second major side surface of the grinding wheel. The clamp member has radially extending arms which engage the flange ring and press it against the grinding wheel. A cover is mounted on the flange ring and extends over the fasteners. When the grinding wheel is to be removed from the hub assembly, the fasteners are loosened by inserting a suitable tool though openings in the cover. Loosening the fasteners enables the annular flange ring to be rotated relative to the clamp member until the radially extending arms on the clamp member are aligned with radially extending recesses formed inside the flange ring.

Abstract: An apparatus for shirring synthetic casings wherein there is superimposed on the customary helical shirring pattern another pattern which will change the folding or shirring pleat pattern of the casing from that of the customary continuous helix so as to increase the compressibility of the casing. In its simplest form, the part cylindrical shirring surfaces of cooperating shirring wheels are machined so as cooperatively to define a cylindrical shirring surface having a center which rotates about the axis of an associated shirring mandrel.

Abstract: A method of grinding gears is provided, wherein a workpiece support and a tool base are movable relative to one another for partial movements of the workpiece, for setting the gear teeth data, for accomplishing movements for configuring a tooth profile, and for the to-and-fro lengthwise stroke along the tooth flanks to be ground. A grinding wheel support is mounted at the tool base for pivotable movement about a pivot axis and a grinding wheel is mounted to be rotatably drivable at the grinding wheel support. The axis of rotation of the grinding wheel extends transversely with respect to the aforementioned pivot axis. The grinding wheel support is connected with the tool base by a pivot drive which, during grinding of a tooth flank, enables random changes of the grinding-pressure angle or angle of attack between the grinding wheel and the tooth flank.

Abstract: A method for dressing a grinding wheel, comprising the step of engaging the periphery of a rotating grinding wheel with a dressing tool composed at a positive back rake angle and optionally at a positive side rake angle. The dressing tool is preferably comprised of a composite compact having a first layer of bonded abrasive crystals of diamond or CBN and a second layer of cemented tungsten carbide bonded to the first layer. The compact may be provided with a side cutting edge angle between 0.degree. and 90.degree. and an end edge cutting angle between 0.degree. and 45.degree..

Abstract: Sandblasting apparatus and valve apparatus therefor, and methods for performing sandblasting operations, wherein an abrasive-filled pressure vessel is pressured by sandblast air when an air control valve is opened, and wherein automatic blowdown of the pressure within the pressure vessel is required when the air control valve is closed, a dual valve structure being provided in which the air control valve and blowdown control valve are combined and in which the two valves operate in tandem, one valve being open when the other is closed.

Abstract: A combination fascia and G-trim moulding is disclosed comprising, firstly, a J-trim moulding in two pieces each having a generally L-shaped profile singly and a U-shaped profile when secured together; and, secondly, a fascia moulding having a vertical portion and a horizontal portion, the latter having a downwardly extending flange at its free edge; the flange engaging a longitudinally extending deep slot formed in the attaching branch of the upper piece of the J-trim.

Abstract: A connector assembly and method are disclosed for supporting each of the legs of a free standing tower or the like using a screw anchor driven into the ground at the base of a respective tower leg. In order to compensate for irregularities in alignment between the upper end of each screw anchor and a corresponding tower leg, the connector units are initially mounted on the screw anchors in a manner permitting individual axial, angular and longitudinal adjustment as may be necessary to bring each connector unit into proper alignment with a tower leg thereabove. The connector units while being held in such aligned disposition may be precisely affixed to a corresponding screw anchor and the proximal tower leg using the connector unit itself as a guide for such interconnection.

Abstract: Instead of enclosing the space between a sky-light dome and a ceiling window by the usual custom-built box or shaft, the space is easily, economically and effectively enclosed by a section of large-diameter flexible tubing stretched between the dome and the window. The ends of the tubing section fit over short sleeves on or attached to the dome and the window, and can be fastened to the sleeves by cement and/or constrictable bands. The tubing is preferably formed of an outer plastic ply and an inner light-reflective aluminum-foil or an aluminized-plastic ply, which are adhesively laminated with a helically coiled spring-wire skeleton embedded therebetween.

Abstract: A new and improved system for improving the heat insulating characteristics of an existing wall structure includes apparatus for providing an additional panel in spaced relation with a first or existing panel of an existing wall structure having a surround for supporting the edges of the panel. A sash including the additional panel is mounted in spaced apart relation with the first panel and includes peripheral elongated frame elements, each having a body with a transverse cross-section that is proportioned to extend generally normal to a face of the sash panel and providing a greatest resistance to longitudinal bending forces applied to the element acting in a direction generally normal to the face. Means is provided for structurally interconnecting the sash panel with the elongated elements of the sash frame and the sash is pivotally mounted in the surround outwardly of the first glazing panel.

Abstract: A thermal insulation device is described comprising a modular or block insulation composed of at least two layers of serpentine folded fibrous insulating blankets with the layers of blankets being secured by means of extended folds of the hot face layer being interengaged with folds of the cold face layer, with the cold face layer then being separately secured to attachment means for mounting the block on the wall, ceiling, door or other surface of a furnace, kiln or like structure. The layers of fiber are commonly composed of fibers of different compositions, with the more thermally resistant fiber comprising the outer or hot face layer and the less thermally resistant composition comprising the inner or cold face layer.

Abstract: A metal cross support is provided for use with a wooden truss structure of the type having a plurality of spaced wooden truss elements with a wooden stringer extending across at least one end of the truss elements and generally perpendicular thereto. A narrow and transversely extending channel is formed in each truss element so that the channels are in alignment with each other. The cross support comprises an elongated strip having a portion which is insertable into the aligned channel so that upon insertion, the metal strip is frictionally attached to the wooden truss elements. In addition, an overlapping portion at at least one end of the metal strip lies in a horizontal plane, abuts against and is attached to a corresponding horizontal surface.

Abstract: A roll packaging arrangement for applying headers or corresponding package units on paper rolls or the like of different diameter. The arrangement comprises a storage unit for the headers and an application unit including press members. Each header size has its own movable storage level, onto which headers are placed in a certain position and which are movable from a storage position to a working position for delivering headers of a desired size. There is a transmission member provided with catch means for transmitting a header from a storage level in a working position to a press member of the application unit. The location of the headers on the storage levels and the operation of placing a header onto the press member guided on the basis of the position of the header edge, so that the header, irrespective of the size of the roll to be packed, is placed in its proper place at the end face of the roll.

Abstract: The present invention is characterized in that in a vegetable harvesting machine, primarily a sweet pepper harvesting machine, comprising a frame which mounts lifters designed to align the plants being harvested and guide them onto a fruit remover provided with an eccentric drive, and further comprising a system of conveyers for delivering the removed fruits outside the machine, said fruit remover is constructed as two walkers installed some distance apart and arranged to oscillate in antiphase, said walkers being attached to the lifters at one end and to the eccentric drive at the other. Each of said walkers is constructed as a rigid plate tapering toward the lifters. The throat between the walkers is adjustable.

Abstract: In a baler having a series of belt rollers that are supported by upright panels in a way to present normally uninterrupted, continuous spans across and between the panels, a set of endless belts may be installed on the machine, notwithstanding the presence of the panels at opposite ends of the rollers, by temporarily interrupting each span and slipping the new belts through the interruption. Clearances for belt replacement are presented by removing spacers from the rollers. The spacers are disposed between the proximate ends of roller sections, each pair of sections having a releasable coupling provided with parts which receive the spacers therebetween. The clearances so presented are preferably quite narrow, sufficient only that the belts may be passed through the clearances in an edgewise direction.

Abstract: The invention relates to vegetation clearing devices and more particularly to a gravity roller means for use in vegetation clearing. The invention provides a vehicle for use in vegetation clearing which comprises a winch arrangement mounted on the vehicle and connected with, so as to drive, two independently controllable winch drums. Control lines are mounted around the winch drums and are connected by way of a fair lead arrangement to a roller. Roller mounting means are provided at the front of the vehicle, so that with the vehicle situated in position at the top of a slope or hill, the roller is allowed to roll down the slope clearing vegetation in its path.

Abstract: The present invention relates to improvements in rotary quadrants of cable-making machines, for use in the production of strands composed of elementary filaments, the said quadrant being constituted by a supple member fixed at its two ends on two support members driven in rotation about the same axis, so that, in the rest position, the strand to be produced is stretched between the two support members, and in the working position, the said strand comes, under the effect of the centrifugal force, in resting contact against the supple member.The invention finds an application in cable-making machines.

Abstract: An open-end spinning apparatus with a spinning rotor having an interior wall, a yarn takeoff channel opening and a fiber feed channel opening communicating with the interior of the spinning rotor. A suction opening (5, 50, 51) is connected to a source of reduced pressure and has its open end directed to the interior wall of the spinning rotor. The suction opening is positioned so that a suction air stream flowing therethrough is separated by a screen from the yarn takeoff channel opening and the fiber feed channel opening.

Abstract: An open-end spinning rotor (2) consisting of a basic member (8) and a rotor member (9). The basic member is carried by a bearing and drive element (81, 82, 83) and comprises a substantially radial supporting surface (80) with a centering surface (31) at its outer edge, with which a centering surface (40) of the rotor member (9) co-operates. A connecting element (5) which affords a detachable connection between basic member (8) and rotor member (9) is disposed separately from the centering surfaces (31, 40).

Abstract: The gripping device consists of a holder in the form of an elastically deformable annular member mounted above the hole of a support plate at a single point of its lateral surface. The holder is provided with clamping means consisting of a flexible compressed-air tube also carried by the support plate at a point which is diametrically opposite to the point of attachment of the annular member. A guiding member in the form of an inverted funnel is attached to the support plate beneath the hole of the plate.

Abstract: To be able to correct irregularities in the length of lay, which result from the reversal of the twisting device in SZ twisting devices with very large storage capacity, a post-twisting device is arranged after the SZ twisting device, the post-twisting device including a retwisting disc with an equalization section in the back thereof. The length of the equalization section is at least five times the resulting length of lay; the speed of rotation of the post-twisting device is equal to the difference between two successive speed steps of the SZ twisting device and direction of rotation of the post-twisting device is changed in the same rhythm as the rotary motion of the SZ twisting device.

Abstract: Device for cleaning an open-ended spinning turbine comprises a bell which can be fitted to a container holding the spinning rotor and which is mounted on an arm operated by a jack.The bell bears a piston of which the front tapered end probes the bottom of the throat for uniting the fibers in the rotor when the bell is joined to the container.The procedure consists in letting a certain quantity of fibers enter after breakage of the yarn so as to form a ring of fibers in the rotor and then to press this ring by means of the piston until the rotor stops, while the scraping or rubbing of the ring of fibers enables the impurities stuck in the area of the throat for uniting the fibers to be detached.

Abstract: An apparatus for false twisting a yarn is provided which comprises, in one embodiment, a thin pliable disc mounted for rotation with a cooperating disc or roller to define a twisting zone between opposing friction surfaces thereof. A pressure applying member is mounted adjacent the back face of the pliable disc for biasing the disc toward the other member locally at the twisting zone so as to firmly engage the yarn passing through the twisting zone and while the friction surfaces remain in substantially non-contacting relationship with respect to each other. The pressure applying member utilizes an air cushion between the member and back face of the disc to minimize friction. Where two discs are employed, they may be mounted for rotation in a common direction, and such that the yarn may be guided through the twisting zone without passing between the axes of rotation of the discs.

Abstract: An aircraft engine starter including a pneumatic motor driven by pressurized gas upon opening of an upstream control valve. A fusible plug valve automatically closes the control valve and shuts down the pneumatic motor whenever temperature of the lubricating oil of the motor exceeds a preselected level.

Abstract: A fuel delivery system for supplying high pressure fuel flow to a gas turbine engine which includes a first stage ejector pump driven by a second stage compressor which is driven by a hydraulically operated turbine supplied with fuel flow from a third stage gear pump.

Abstract: Means for accelerating the discharge of exhaust gas from an internal combustion engine, adapted to be mounted to the end of the engine exhaust pipe, in which exhaust gas from the engine is swirlingly guided by a plurality of spiral blades disposed in a tubular member, to form a super low pressure space at the center of the exhaust gas flow, thereby to accelerate the discharge of the exhaust gas.

Abstract: A muffler mounting (26) for a muffler (21) which is connected to an internal combustion engine (11) by a rigid exhaust pipe (16). Previous mountings for such mufflers have either been of the rigid type, which subjects the muffler to undesired stresses resulting from shock, vibration or thermal expansion, or have utilized flexible rubber belting hangers which deteriorate rapidly when subjected to high temperatures. The present invention provides a relatively thin, flexible, generally-vertical metal hanger (52) comprised of a plurality of thin, stainless steel, strips (53) overlaid on one another, to flexibly connect and support the muffler (21) to the engine (11) or frame (12). The present invention is particularly useful in vehicles wherein the engine (11) is resiliently mounted on the frame (12) and wherein the muffler mounting (26) is subject to high temperatures, corrosion, and oxidation.

Abstract: A method and apparatus which includes locating a compressible chamber filled with a non-compressible fluid confined in a closed circuit in the path of moving traffic so that the weight of the traffic passing over the chamber will affect a displacement of the incompressible fluid to create a fluid flow through the circuit. The circuit includes unidirectional flow control valves for directing the flow of displaced fluid through a fluid motor connected in circuit with the compressible chamber. Disposed in the circuit is a rectifier for rectifying the intermittent displacement of the fluid into a generally uniform fluid flow to affect the drive of the fluid motor with the output of the fluid motor being translated into useful work.

Abstract: The vacuum casing of vacuum brake boosters is conventionally made of sheet steel. The vacuum casing is subjected to pneumatic and mechanical forces absorbed by the casing parts. Accordingly, the casing parts must be suitably strong, which results in added costs and added weight. To eliminate these and other disadvantages, there is disclosed a vacuum brake booster comprising at least two bolts extending through the vacuum casing parallel to the master cylinder push rod connected to the end walls of the casing and through at least one movable wall in the casing. The movable wall is slidably disposed on the bolts by means of slide seats.

Abstract: A dual turbine turbocharger for an engine comprising a first turbine wheel and a second turbine wheel mounted on a common shaft in a dual scroll turbine housing for receiving exhaust gases. The twin turbines are isolated from each other by a partition separating the dual scrolls of the turbine housing. The scrolls begin as separate inlet ports for connection to isolated exhaust gas discharge systems.

Abstract: An improved scoop is usable in combination with a wheel providing a rotating peripheral surface with an annular body of liquid supported on that surface and rotating with the wheel. The improvement comprises:(a) The scoop projects partially into the rotating annular body of liquid;(b) The scoop is mounted for rotation about an axis and in a forward direction in response to force transmission to the scoop from liquid entering the scoop;(c) The scoop has an interior surface that is locally curved to turn the entering liquid for discharge from the scoop in a relatively rearward direction; and(d) Substantially the entirety of the scoop interior rearwardly of said interior surface is rearwardly open to the exterior.

Abstract: Combustion apparatus of the premix/fuel lean type which employ jet induced circulation to inhibit the formation of atmospheric pollutants.

Abstract: A method and apparatus for cooling the hot gas casing of a gas turbine power plant is disclosed. The apparatus includes a shell which is spaced from but which encompasses the hot gas casing so as to form an air channel about the casing. A compressor provides a supply of cooling air which flows into the air channel through openings in the shell, and which air absorbs heat from the hot gas casing as it flows through the air channel.

Abstract: A vortex tube has a vortex generator portion in the form of a right circular cylindrical re-entrant cavity having end walls defining a right circular cylindrical volume therewithin with a nozzle means separating such volume from the remainder of the cavity. Pressurized air or other gas is introduced into the cavity through an appropriate coupling and is caused to swirl by the nozzle means to produce a vortex within such volume. A stream of higher temperature gas is coupled from one side of the vortex generator by a tube of given length and diameter smaller than the diameter of the vortex volume and a stream of lower temperature gas is coupled from the other side of the vortex generator through an opening of smaller diameter than the tube. Longitudinally extending grooves in the inner surface of the distal end portion of the tube enable a given temperature differential between the high and low temperature streams to be obtained with a tube of reduced length.

Abstract: A gas-driven fluid flow control valve capable of responding to a signal to alter the direction of fluid flow therethrough. When the valve is interposed between high- and low-pressure fluid reservoirs on one side and a cryogenic refrigerator requiring the supplying of high-pressure fluid and the discharging of low-pressure fluid on the other side, it may be used to reverse the flow of fluid through the refrigerator to switch it from a cooling to a warming mode. The incorporation of such a refrigerator into a cryopump in conjunction with the gas-driven valve makes it possible to rapidly warm up the condensing and adsorbing surfaces of the cryopump thus reducing the regeneration cycle of the cryopump from several hours to about 30 to 35 minutes.

Abstract: A freezing unit for use in a cold chamber to effect freezing of a load of pre-cooked food packages at a rate more rapid than the freezing rate of that load that would take place in the chamber in the absence of the unit. The unit includes a vertical plenum provided with a perforated wall and having an open input and a closeable output. The food packages are stacked in a rack adjacent the perforated wall of the plenum, with air spaces between the packages. Cold air drawn from the chamber atmosphere at a temperature below the freezing point of the food is forced into the input of the plenum to produce a positive pressure therein when the output is closed, thereby causing the pressurized cold air to penetrate the perforated plenum wall and pass through the air spaces in the stack at high velocity, the air returning to the cold chamber whereby rapid cooling of the packages is effected.

Abstract: Method and apparatus for utilizing the earth as a heat source and heat sink for heating and cooling buildings are disclosed. Flexible material such as hollow plastic or metal foil bags which can be buried in deep, narrow trenches are draped over and clamped to heat transfer fluid conduits or conventional heat pipes vastly increasing the heat transfer surface area serving the conduits or heat pipes. The heat pipe bags contain a heat transfer fluid and can contain wicks which are in heat transfer communication with the heat transfer fluid conduits or other heat pipes. The plastic or metal of the heat pipe bag similarly enclosed the wick forming a closed, sealed system which can also include the conduit or heat pipe. Such conduit-heat pipe bag combination can be used in combination with conventional heat pumps to both heat and cool buildings.

Abstract: A control system for a solar-assisted heating and cooling system including solar collector system, a thermal storage system, a water-to-air heat pump, a water-to-air heat exchanger, a domestic water heater, and a cooling tower. The preferred embodiment of the controller of the present invention includes a first temperature sensing means for sensing the temperature of the collector fluid at the outlet of the solar collector system, a second temperature sensing means for sensing the temperature of the storage fluid at the thermal storage system, and a third temperature sensing means for sensing the temperature of the inlet water to the domestic water heater. The controller energizes or deenergizes a collector fluid circulation pump and activates valve means to circulate the collector fluid between the collector system and the thermal storage system or the domestic water heater based on the temperature of the three sensors to provide efficient operation of the solar energy collection process.

Abstract: The method permits mass-producing axially retained tripod joints having high rigidity and a given prestressing force which is reproducible from one joint to another. According to this method, after having clipped a resiliently yieldable attachment onto a tulip-shaped element of the joint while the joint is in its assembled position, the value of the gap between the shoulder of a thrust member and a bearing surface of a hub carrying the trunnions is determined for the position of the joint in which the hub and tulip-shaped member are in alignment and the thrust member is axially shifted away from the hub and there is introduced in the gap produced between the thrust member and the hub a shim the thickness of which is chosen to be slightly larger than the gap.

Abstract: Machine for knitting a tubular fabric, in particular stocking articles, comprising a needle cylinder, a cylinder holder, a dial, suction and discharge ducts for the produced tubular fabric and means for driving the cylinder holder. A shaft extends coaxially through the needle cylinder and the cylinder holder and is affixed to the dial. A tube-like body is mounted coaxially within the cylinder holder wherewith it rotates. The tube-like body is displaceable axially in the cylinder holder from a position whereat it is coupled directly to and made rigid for rotation with the shaft, to a position whereat it forms with the shaft at least one annular passage for communication with the suction and discharge ducts for the produced tubular fabric. A control member is provided of essentially lever-like configuration for axially displacing the tube-like body.

Abstract: A racking device for an automatic flat knitting machine in which a data of the knit structure and other data are stored in memory members in respect to each course and the knitting operation is carried out based on outputs of said stored data. The racking device includes a means for correcting a signal of an instruction for driving the racking motor.

Abstract: In a metal strip rolling mill having a strip shape measuring means connected to adjust the mill to control the strip shape, improved strip shape control performance is achieved by mounting a hold-down roll between the measuring means and the take-up reel.

Abstract: An apparatus for calibration of tubular articles, especially cylinder linings for internal combustion engines, manufactured through isostatic compression of pulverulent metallic materials, comprises piston means for effecting an axial displacement between the tubular article and a mandrel which it surrounds during the calibration. Preferably, the tubular article is first subjected to a rather modest radial inwardly directed pressure which is increased after an axial relative movement between the mandrel and the tubular article has taken place.

Abstract: Apparatus for producing annular corrugations in the wall of thin metal tubing in the manufacture of corrugated metal hose includes a plurality of dies. Each die comprises a helical rib of greater than 360.degree. extent formed on the inner rim of an annular ring with the ribs on successive dies being progressively thinner and having successively closer pitches so as to progressively deepen the corrugations and make them narrower. The dies are preferably mounted to rotate in synchronization with each other at identical angular speeds, and are arranged in pairs in one or more stages with the dies in each stage engaging opposite sides of the tube.

Abstract: A ring rolling mill is disclosed which has a rolling mill frame, a rolling platform mounted to the frame, a main roll movably mounted on the frame, a plurality of elongated mandrel rolls mounted laterally of the main roll, and a plurality of mandrel roll bearing housings each supporting oppositely disposed ends of each mandrel roll. Each mandrel roll and one bearing associated therewith is axially displaceable.

Abstract: A flat skelp is longitudinally fed through convex and concave horizontal rolls, and is edge-crimped so that both edges are curved inward symmetrical to the pass line. The edge-crimped skelp is forced through a plurality of cage rolls disposed along and symmetrical to the pass line. The cage rolls perform intermediate forming that shapes mainly the uncrimped portion of the skelp toward a round form symmetrical to the pass line. The nearly rounded skelp is then subjected to finish-forming, with the fin of a finned-roll inserted in the gap between the edges. The edge-crimping process includes two or more stages; bending the outermost edges of the skelp and subsequent bending of the inward portion adjacent to the first bent edges.

Abstract: The method of drawing uniformly heavy walled parts in a multiple plunger machine without any intermediate anneals and a machine for carrying out the method. The method comprises a number of press operations which convert a flat blank to a final desired drawn configuration, the relatively uniform wall thickness being maintained throughout the operation by the mouth configuration of each die and by means of supplemental sleeves that assist the punches in extending the drawn shells into the dies with no stretch to the metal or thinning of walls. Work hardening due to stretch or tensile load is minimized allowing more deformation without anneals.