Abstract: A protective device (12) for steel reinforcements (16) includes a bottom box (22) and a cover (24) which can be inserted into it. In the bottom (26) of the bottom box there are slots (32) through which parts (18) of the steel reinforcements (16) which project out of the closed protective device can be inserted. The side walls of the cover are designed as double layers and form an interspace (56) which makes it possible to weld the outer layer (54) and the side walls (28, 30) of the bottom box using tools that grip from both sides.

Abstract: This disclosure relates to floor, wall or ceiling construction which includes a pair of plates having top and bottom surfaces and a relatively long peripheral side surface therebetween, each peripheral side surface including a first surface portion immediately adjacent each associated top surface, the first surface portions being disposed in relatively closed spaced side-by-side relationship to collectively define therebetween a relatively narrow guide groove of a predetermined width for receiving therein a cutting tool and of a length corresponding to the length of the peripheral side surfaces, each first surface portion merging with a second surface portion, the second surface portions being disposed in comparatively further spaced side-by-side relationship and the first surface portion is to define therebetween a relatively laterally wider adhesive-receiving channel, a cover across the top surfaces of the plate in spanning relationship to the narrow guide groove, an adhesive between the cover and the top s

Abstract: A building panel having inner and outer faces outlined by opposite ends and an upper and lower edges has opposite ends adapted to closely face the end of an adjacent panel in the same course. The outer face of the panel includes a lower segment of substantially greater surface area adapted for exposure and an upper portion of relatively smaller surface area adapted to underlie a lower portion of one or more panels in a next higher course laid in overlapping relation therewith. One of the ends of said panel includes an overlap end segment adapted to overlie an underlying end segment at the other end of an adjacent panel laid up end to end in the same course to form a ship lap end joint between the panels. The overlap end segment includes a marginal end portion of the outer face with an underside therebelow formed to slope from a minimum panel thickness adjacent the upper edge toward a maximum panel thickness adjacent the lower edge.

Abstract: A floor mat assembly is disclosed which is molded from resilient plastic material, and made up of only two different elements, mat modules and ramp strips. The mat module comprises a rectangular shape with two adjoining edges, each of the edges having an upper coupling edge flap with a row of downward directed projections, and two other adjoining edges, each of the other edges having a lower coupling edge flap with a row of vertical holes to couple with a row of projections on an upper coupling edge flap of a ramp strip or an adjoining mat module. The ramp strip comprises a tapered face with an upper coupling edge flap adjacent the tapered face, and a lower coupling edge flap joined by a severable link to the upper coupling edge flap, the lower coupling edge flap of the ramp strip to couple with an upper coupling edge flap of a mat module, and when the link is severed, the upper coupling edge flap of the ramp strip to couple with a lower coupling edge flap of a mat module.

Abstract: A system for forming concrete structural elements including a plurality of runners forming a spaced array; a plurality of supports extending upwardly from and connecting intersecting runners; and a plurality of coffer plates secured in position over the supports by a plurality of anchor nuts capable of interacting with the concrete poured to form the structural element. The coffer plates initially act as a mold for the structural element being formed. Thereafter, the array of runners and supports are used to suspend finishing components (plumbing lines, electrical conduit, electrical wiring and fixtures, ceilings, non-load-bearing walls, etc.) from the structural element without requiring alteration of the concrete forming the structural element.

Abstract: An apparatus for placing coupons, and the like, on cartons includes a supply source of coupons in the form of a web of coupons, a coupon advance drum for moving the coupon web from the supply source to the location of the cartons upon which the coupons are to be deposited, a knife device for cutting the coupons to be deposited from the coupon web, a movable coupon applying device which receives coupons at the knife device as they are cut from the coupon web and moves the coupons to a position above the cartons, and moving means for contemporaneously moving the carton and the coupon away from the applying means so that the coupon is moved out of the applying means and onto the carton as the carton and coupon are being moved.

Abstract: Method and box for conditioning products which must be stored under determined temperature conditions, generally different from the conditions of the environment. The method consists in placing within an open, thermally insulated enclosure (1), some removable reserve elements (26 to 30), placing the products within the volume delimited by the reserve elements (26 to 30) inside the enclosure (1), removing the reserve elements (26 to 30), replacing them by heat or cold accumulating elements brought to the required predetermined temperature and having shapes and dimensions similar to those of the reserve elements (26 to 30), and closing the enclosure (1). Application to the conditioning of products sensitive to temperature, especially such as vaccines, serums, etc.

Abstract: Spaced apart and covered Petri dishes are moved continuously toward a pair of spaced feed nozzles while the covers engage a ramp and are tilted upward away from the dishes to provide a space for reception of the feed nozzles. A photoelectric cell detects the passage of the dishes beneath the feed nozzles and controls the feeding of bacterial culture growth medium alternately from the nozzles into the dishes as the latter move continuously past the nozzles. The covers are replaced over the dishes after filling.

Abstract: The invention is an improved packaging system that may be located in satellite-like locations in a large area where packaging operations are being performed. The system combines the use of load carrying structures, such as pallets, load transporting equipment, such as pallet transporters, a turntable device, a mechanism for revolving the turn-table device, and a securing facility to package, by wrapping, a load upon the load carrying structure. The turn-table device consists of a plate-like platform secured to a bearing which is supported by a frame structure having rollers on which the plate-like platform revolves. The mechanism for revolving the turn-table device consists of a powered facility that turns a friction-type roller to revolve the plate-like platform.

Abstract: The casing of a rotary mowing device is formed of a series of tubular sections secured together to form a hollow, rigid unit. The intermediate portion is formed of a series of similar sections defining an open-ended, generally rectangular tube and there are two end sections closing these ends. The casing houses a series of gears and at intervals upstanding shafts project from the casing and to which the rotary cutting members are attached. The parting line between sections are disposed in planes each of which contains the axis of one of the shafts.

Abstract: An apparatus for cleaning bush. The apparatus has a frame with a circular saw mounted at the front end and power means, for use in operating the saw, mounted at the rear end. Pivot means on the frame are used to pivotally mount the apparatus on a bush vehicle. The vehicle is driven in bush and the saw is operated to cut down bush and small trees. The vehicle operator can both move the circular saw from side to side, and tilt the frame, to raise or lower the saw with one hand.

Abstract: A compressed gas splicing head assembly in an automatic splicing device for producing a knot-free thread connection by splicing, includes a compressed gas splicing head having a splicing channel with two ends formed therein defining a plane of symmetry in longitudinal direction of the splicing channel, the splicing head having outlets for the splicing channel formed therein, and the splicing head having at least two compressed gas injection openings formed therein discharging in said splicing channel mutually opposite and offset to the left and right of the plane of symmetry for holding and mutually tangling, bunching, swirling and winding fibers of two threads to be interconnected, said injection openings including an injection opening disposed closest to a given portion of each respective outlet, and thread and air guides each disposed at a respective one of the ends of the splicing channel, each of the guides obstructing a respective one of the given portions of the outlets, and the threads being disposed

Abstract: Respective leading and trailing end portions of two multi-filament yarns are joined together by disposing the leading and trailing end portions of the two multi-filament yarns in longitudinally contacting conditions, clamping the end portions of the multi-filament yarns at two points which are located at a predetermined distance from each other, drawing and slackening the end portions of the yarns between the two points, and blowing air under pressure toward the end portions of the yarns so that a jet stream of air impinges at a predetermined angle upon the end portions of the yarns over a predetermined length of the end portions between the two points for causing the end portions of the yarns to disintegrate into filaments over the aforesaid predetermined length and causing the filaments to entwine on one another.

Abstract: In a pneumatically threadable yarn brake, in which a substantially capsular brake cartridge (7) abuts against an upper (8) and lower (9) brake surface ring in a brake housing, the lower brake surface ring (9) is connected to an annular diaphragm (16) which is downwardly adjustable or movable under the action of a vacuum, at the same time carrying along the lower brake surface ring (9).

Abstract: An air nozzle for producing a sheath-core type fancy yarn, comprising a hollow cylindrical nozzle body in which a vortex occurs around an axis thereof due to a suction flow of a subatmospheric pressure source. Within the nozzle body a conical cap and a ring body are arranged in series. A sheath yarn is overfed into the nozzle body in the tangential direction to the inner surface of the body and wraps around the conical cap to form a plurality of loops due to the vortex, then entangles a core yarn running straight through the nozzle body. Since an outer surface of the conical cap and a central opening of the ring body guide the vortex smoothly along a yarn path, a fancy yarn having uniformly and tightly entangled loops can be obtained.

Abstract: An apparatus for electrostatic spinning of textile fibers is disclosed. The apparatus includes a twister electrode and a rapid spinning ground electrode, more particularly, a spinning ground electrode having an insulated tip which is tapered and fluted so as to positively drive or rotate the yarn tail extending from the twister electrode.

Abstract: A part of a solid fuel is combusted in a fluidized bed combustor; a remainder of the fuel is combusted in a dust combustor. Waste gases from the fluidized bed are fed to the dust combustor. A heat exchanger in the fluidized bed heats compressed air in which fuel is combusted to drive a hot gas turbine. A heat exchange in the dust combustor heats water to superheated steam to drive a steam turbine.

Abstract: Pushbutton controls are provided for the power management of a turbine powered aircraft; and these pushbuttons may be mounted on the aircraft pilot's control handwheel. The turbine engine has a maximum rated permissible rotational speed which initially increases with increasing air temperature and with increasing altitude or reduced pressure; and has an absolute maximum limitation, with this maximum permissible rotational speed decreasing at increasing temperatures starting at about 10 or 15 degrees below zero, centigrade; and these limitations are reduced when supplemental equipment such as de-icing equipment is turned on. In accordance with the present invention, a series of "maps", or rotational speed control characteristics reflecting the factors mentioned above, are provided, and the pushbutton controls select among these characteristics, with the "take-off" power button permitting the highest maximum speeds, etc.

Abstract: A modular engine manifold construction comprising a series of cast metal headers, each having an inlet communicating with an exhaust gas port in the engine. Each header is also provided with a passage that extends through the headers and is located generally normal to the inlet. Stainless steel tubes are slidably mounted within the aligned passages and interconnect the headers. The ends of the tubes are provided with longitudinally extending slots which engage locating pins on the inner surface of the headers to prevent rotation of the tubes, yet permit longitudinal movement of the tubes relative to the header to accommodate heat expansion. The ends of the tubes are also provided with cut-out sections or notches which are aligned with the inlet in the header when the slots in the tubes are engaged with the locating pins. The assembled manifold is a non-welded construction formed of a minimum number of component parts.

Abstract: A vehicle brake booster comprises a brake master cylinder operable by a brake pedal, and a power valve including valve means operable by the brake pedal to admit fluid under pressure from a source to a boost piston for applying a boost force to the master cylinder and to apply a reaction force to the brake pedal, the valve means are movable against a spring by fluid under pressure from the source from an inactive position to an active position so long as fluid under pressure is available.

Abstract: An hydraulic booster has a housing provided with a bore, an inlet connected to a source of high pressure fluid, an outlet connected to a reservoir and a boost piston working in the bore. The boost piston is advanced in response to pressurization of a boost chamber by fluid from the source, under the control of a valve mechanism operated by an input member. The diameters of the bore and the boost piston are arranged to provide an annular chamber round the boost piston connected to the inlet, with the sealing diameter at the rearward end greater than that at the forward end of the chamber, where the boost piston is spaced from the bore. The forward end is sealed by a seal mounted in the bore so that it is radially deformable and able to tolerate the radial clearance between the piston and the bore. The seal is preferably a P.T.F.E. ring backed by an O-ring.

Abstract: A turbocharger control system has a waste gate operative to cause engine exhaust gases to bypass the turbocharger to protect the engine when the supercharging pressure exceeds a predetermined pressure level. A pressure modulator is provided to mix pressures derived from points upstream and downstream of a compressor to produce a controlling pressure which is modulated to be of a pressure level between the compressor-upstream and downstream pressures and which is also adjusted as a function of the atmospheric pressure. A waste gate actuator compares the supercharging pressure and the controlling pressure to control the operation of the waste gate.

Abstract: Residual geothermal steam containing hydrogen sulfide from a steam turbine is condensed with an aqueous solution of ferric chelate in a direct or indirect condensor whereby the hydrogen sulfide is converted to free sulfur and the ferric chelate is converted to ferrous chelate. The ferrous chelate is subsequently oxidized back to the ferric state and reused.

Abstract: The invention is directed to a freeze crystallization subassembly having means for continuously removing crystals formed on a heat transfer surface from the surface. A scraper shuttle is moved across the heat transfer surface by a fluid being refrigerated to remove crystals from the surface. The crystals are carried to a mixer where they are mixed with incoming feed until a circulating slurry is produced. Means is provided to remove slurry from the mixer.

Abstract: A fiberizing spinner for converting a stream of molten material into a plurality of fibers includes a substantially cylindrically shaped copper shell. A complementary shaped coolant guide is disposed within the shell and is closely spaced from the inner surface thereof so as to define a highly restrictive narrow flow passage. A liquid coolant is supplied to the passage where the velocity of the same is made to accelerate to an ultrahigh velocity of at least 10 feet per second across the inner surface of the shell to thereby sweep away steam generated upon the surface.

Abstract: This invention is a portable ice chest, containing removable racks and trays for foods and beverages, replacable ice cubes and a fan driven by a battery powered motor.

Abstract: A portable cooler has an inner container and an insulated jacket with means for closing the opening to the container. The container is constructed of a heat-conducting material, the outer jacket is provided with one or more pockets, the interior of which communicate with a portion of the heat-conducting wall of the container so that items to be warmed or cooled by the contents of the container may be stored in the pocket. The latter is accessible without opening the container.

Abstract: An absorption refrigeration system having a generator, a rectifier, a condenser, an evaporator, an absorber and heat exchangers which are connected by means of conduits in an airtight manner so that circulations for refrigerant and for absorbent solution are formed, wherein the rectifier is mounted upright above the generator, and wherein a receiver for receiving absorbent containing refrigerant is mounted below the rectifier and communicates with the lower portion of the generator through an absorbent passage means, whereby decreasing hindrance of the generation of the refrigerant vapor from the generator, thus increasing the efficiency in generating vapor and, at the same time, preventing local overheating of the solution in the generator.

Abstract: Device comprising an inlet duct for a gaseous refrigerating fluid under pressure connected to a choke opening into a fluid expansion and liquefaction chamber connecting with a refrigerating fluid discharge passage which exchanges heat with the said inlet duct, characterized in that, for the pressure range involved, the minimum opening (15) of the choke (10) and the heat exchange relationships with the inlet duct (7, 8) are such that in the minimum opening operating phase a liquefaction phase arises in the inlet duct upstream of the choke, so producing self-regulation producing the fluid flow just necessary to maintain liquefaction in the expansion and liquefaction chamber.

Abstract: The invention provides an earfitting for an earring to be worn on pierced ears. An earring post which in use is positioned in the pierced hole in the ear lobe has a spearhead hingedly mounted on the end thereof. The earring post and spearhead can be temporarily locked in mutual alignment to enable the earfitting to be passed through the ear lobe, whereafter the spearhead can be turned with respect to the earring post to secure the earfitting in place behind the ear lobe.

Abstract: Internally of its tub, the machine provides a conduit fitted with fan-shaped delivery outlet. The fan portion of said delivery outlet terminates with an arcuate surface provided with slots along which the fabric being processed runs. The conduit has connected thereto a water supply pipe for the conveyance of air mixed with water on the fabric being processed.

Abstract: A tubless washer system including a wash and drive subsystem which allows the basket to be mounted on a hollow drive shaft that provides a water conduit from the basket to the drain sump. The wash and drive subsystem is mounted on a support frame including a generally spherical bearing surface. The entire wash and drive subsystem is supported on a generally spherical surface on the cabinet base which is formed complementary to the spherical bearing surface of the subsystem.

Abstract: An accessory lock and article storage device is set forth adapted to be attached to the frame of a bicycle or the like. The device has a pair of complementary members which both enclose a portion of the accessory and the frame when the members are brought into engagement with each other as well as form an enclosed space for storing small articles. A lock is also provided for locking the members together and to effect frictional securement of the accessory and the frame relative to the members.

Abstract: A hingedly attached face plate shieldingly protects a key deposited within a key storage compartment in the lock box. Variants of the lock box accommodate conventional cam locks or shielded padlocks for locking the face plate in place. The lock box is attached to a mounting surface by normally inaccessible fasteners.

Abstract: Electric locks of the armed type comprise a movable bolt assembly actuated by various levers, powered by a motorized reduction gear assembly and capable of hooking a keeper mounted on a stationary part of the body. The bolt assembly comprises a locking lever of a keeper and a blocking lever of the locking lever, both biased in the hooked position by a common spring. A rotating control body controls the preceding levers, and rotates successively in the opening direction and in the reverse closing direction while being powered by a motorized reduction assembly in response to the impulses of electric current.

Abstract: A pneumatic central locking system for doors and/or lids in motor vehicles, with a pneumatic operating or locking element being provided for each lock mechanism of the doors and/or lids so as to enable the same to be locked and unlocked. An electrically drivable air pump is connectible with the locking elements by a line system and a selector valve is disposed at an outlet side of the air pump. The selector valve acts upon the line system and/or the locking elements in a desirable manner by means of an additional pneumatic operating or switching element connected fluidically in parallel at the locking elements. A response pressure of the switch element is higher than that of the locking elements. At least one lock mechanism contains a key operable first selector switch, with a second selector switch which may be operated by the switching element.

Abstract: A live bolt lock mechanism for a safe door uses a rotatable idler 15 in a middle region of the door. A plurality of live bolts 20 spaced around the door each has a connecting rod 19 joined to the idler 15 at crank locations for operating the live bolts. A handle 25 is mounted between the idler and the opening edge of the door, and a combination lock 30 is mounted beside the idler. An actuator 27 rotated by the handle moves an actuator link 31 connected to the idler for rotating the idler when the handle turns. A lock link 50 mounted on the idler and extending toward the combination lock 30 has a projection disposed adjacent the combination lock to block the lock link and idler from movement unless a combination for the lock is fulfilled.

Abstract: A rolling mill has a transducer for measuring the separation of a movable part of the mill from the fixed part of the mill. The transducer comprises a magnetostrictive element secured to one end of the fixed part, a transmitter for transmitting magnetostrictive signals into the element, a receiver for receiving signals reflected back along the element and a magnet secured to the other part which produces a magnetic field which serves to reflect the signals along the element. A timer measures the time interval between transmitting the energy and receiving the echo and this is representative of the distance between the two parts of the rolling mill.

Abstract: In continuous friction-actuated extrusion, especially Conform extrusion of copper, at least part of the tooling is made from aged nickel-chromium base alloy (which is preferably cold-worked before aging to give a yield strength of at least 1500 MN/m.sup.2 at 20.degree. C.) and which is capable of sustaining an adherent oxide film. The preferred alloy is "Inconel Alloy 718". Despite lower hardness, the tooling has better service life than conventional special-steel tooling.

Abstract: A method of making a beam having a lambda-shaped cross section from a flat sheet of metal. The longitudinal side edges of the metal sheet are initially bent to provide a generally U-shaped section composed of a flat central web and a pair of side flanges that extend at obtuse angles from the web and are joined to the web at bends. The flat central web is then bent at locations spaced inwardly of the first bends to provide a generally flat base and a pair of side sections that are joined to the base at right angle radiused corners and the outer extremities of the side sections are joined to the respective flanges at the first bends. Each side section is then bent inwardly about the corresponding corner to form the lambda configuration in which the side members are at an acute angle to the longitudinal axis of the beam and the side flanges are in proximate flatwise relation.

Abstract: A die is described, comprising a die body and a steel case, characterized in that: a die body made of a silicon nitride ceramic or a silicon carbide ceramic is shrink fitted or force fitted into a steel case wherein an optional wide recess may be cut in the inner surface of the bottom of said steel case along a corner where the bottom and the inner wall of said steel case meet.

Abstract: An apparatus and method for measuring the concentration of a gaseous or volatile substance in a liquid, which comprises passing a carrier gas through a liquid-repellent porous partition tubing, immersed in a liquid, having continuous minute channels extending through the tubing wall, introducing to a gas detector the gaseous volatile substance passing from the liquid into the carrier gas through the continuous minute channels while controlling the flow rate and the pressure of the carrier gas by simultaneously operating both a carrier gas control means and a choking means. Also disclosed is a method for the measurement of the same which is equipped with sterilization, calibration and standby function so that it may be immediately applied to an actual industrial scale process including cultivation of microorganisms, brewing and the like. Further disclosed are various measuring apparatus for the practicing of the foregoing methods.

Abstract: An apparatus is proposed for detecting operating characteristics of an internal combustion engine. It has an optical sensor whose output signal is delivered to an amplifier with a variable transmission behavior. As a result, it is possible to have either a stepped or a continuous adaptation of the sensor sensitivity to various operational points of the engine. It is particularly proposed that the amplification for the measurement signal be selected to be high in the case of an opto-electrical combustion chamber observation in a low load range, while it is selected to be low in a high load range, so that relatively equalized measurement results are available for use.

Abstract: A structure for use in an internal combustion engine for providing shortened vibration channels through which vibratory forces within engine cylinders are transmitted to a knock sensor attached to the engine on its engine block outer wall. The structure includes a plurality of ribs each extending through a cooling passage between the engine block outer wall and corresponding one of cylinder walls.

Abstract: A permeation testing apparatus for determining the permeation of a chemical through a test material. The testing apparatus includes a permeation cell comprising two units, each constructed of a block of relatively chemically inert material which may be placed in intimate contact. One face of each said block has a shallow cylindrical well, that is referred to as the "challenge side". The opposite face of the block has a conical well that is referred to as the "collection side". Two such blocks, or permeation units, are positioned face-to-face ("challenge side" to "collection side") and constitute one permeation cell. The material to be tested is positioned between two permeation units thereby separating the "challenge side" from the "collection side". Four ports are provided perpendicular to the axes of the permeation cell; i.e., an inlet and an exit port for each of the two permeation units. Several permeation units may be stacked, with each interface providing a permeation cell.

Abstract: In accordance with an illustrative embodiment of the present invention, a hydraulic pipe testing tool comprises a body member carrying longitudinally spaced, normally retracted packing and anti-extrusion members that are expanded into sealing and abutting engagement with the surrounding walls of a well pipe being tested. The anti-extrusion member includes inwardly biased arcuate segments that carry gripping elements which bite into the pipe to anchor the tool against longitudinal movement during testing operations.

Abstract: Disclosed herein is a torsion tube apparatus for making on-line measurements of the viscosity and elasticity of a fluid. The apparatus includes a housing member, an outer cylinder having one end rotatably mounted with respect to the housing member, and a motor for rotating this outer cylinder. An elongated torsion tube is mounted concentrically within and spaced from the outer cylinder and has one end fixed to the housing member, with its other end freely disposed within the cylinder for torsional movement with respect to the fixed end. Therefore, an annular void is defined between the tube and cylinder. Fluid may be introduced through a conduit into the interior of the cylinder for flow therethrough and discharge therefrom, such that rotating motion of the fluid caused by rotation of the cylinder exerts a torsional force directly on the outer surface of the tube. A torsion indicating shaft extends concentrically through the tube, having its one end fixed to the free end of the tube.

Abstract: A device is provided for determining the density or concentration of solid contaminants suspended in a fluid, having an orifice or narrow passage through which the fluid carrying suspended solid contaminants is passed, and monitoring the rate of build-up of the contaminants at the orifice or narrow passage as a function of the density or concentration of the contaminants in the fluid.

Abstract: A chassis dynamometer allows operators to conduct running tests on vehicles such as new automotive vehicles in a laboratory or workshop. A pair of rolls and a dynamometer connected to one another are mounted on a chassis so that the overall assembly is movable to reduce the test space and to allow operators to change the setting of the chassis dynamometer to suit the type and size of the vehicle in a short period of time.

Abstract: A method and apparatus is disclosed for determining various diagnostic conditions of an internal combustion engine from an analysis of the resonances of a reflected microwave signal radiated into a combustion chamber of the internal combustion engine. Various parameters of each microwave resonance are calculated including: (1) the location of the resonance with respect to the crank angle of a crankshaft of the engine; (2) the peak-to-peak amplitude of the resonance; (3) the slope of the resonance; (4) the quality factor or "Q" of the resonance; and (5) the symmetry of parameters 1 through 4 with respect to turnaround points of the piston in the cylinder of the engine. The calculated parameters are thereafter correlated with reference parameters to determine the particular diagnostic condition.