Abstract: An inter-trolley latching mechanism for a draper header having a pair of shiftable draper sections is disclosed wherein the latching mechanism connects the second draper section to the first draper section for simultaneous movement therewith. A hydraulic cylinder is provided to power the shifting movement of the first draper section in a transverse path relative to the subframe of the header. The latching mechanism selectively connects the two draper sections to permit the hydraulic cylinder to operatively power the transverse movement of both draper sections. A spring loaded retaining mechanism is also provided to lock the second draper section relative to the header subframe when not connected to the first draper section for movement therewith.

Abstract: A process and apparatus applicable to solid-set fruit growth such as strawberries in which a single harvest applies to an entire solid-set field and the harvest does not destroy the plants but separates foliage and trash from the fruit in an aerodynamic sequence and subsequent singulation of the fruit occurs under conditions of aerodynamic levitation of the fruits and clusters at the point of cropping connective tendrils.

Abstract: In a crop cutting apparatus having a cutterbar and attached sickle sections, an integrated hold-down sickle guard protects the sickle sections from damage and maintains them in proper spaced relation relative to complementary cutting edges for optimum cutting action. The hold-down sickle guard eliminates the need for separate sickle section hold-down plates positioned along the length of the cutterbar and provides a sickle section retaining arrangement of increased strength for every sickle section permitting the linearly arranged, coupled reciprocating sickle sections to be held in close cutting cooperation with associated complementary cutting edges along the entire width of the cutterbar. The hold-down sickle guard includes integral upper and lower sections with a generally horizontal slot located therebetween within which a sickle section is movably positioned.

Abstract: A fruit harvesting apparatus in which the positions of fruit are searched and detected by a television camera with a variable shooting direction. Both the television camera and a spot light emitting device, such as a laser, are varied in position and direction in accordance with instructions to locate a fruit. A movable fruit picker is then moved to the determined position of the fruit and operated to pick the fruit.

Abstract: A hay harvesting machine for windrowing hay, moving swaths of hay, tedding hay and the like includes at least one drum which has a base and a wall, and is rotatable about an axis which is inclined within a predetermined range to the vertical, a flexible skirt which has substantially the shape of a truncated cone, and is connected to the base for sweeping up the hay, and a plurality of arms arranged in a plurality of rows along the wall, and which extend therefrom so as to cooperate with the skirt for further movement of the hay, and wherein at least the arms of the row nearest to the skirt extend in a direction substantially parallel with an upper surface of the skirt.

Abstract: A system for helically wrapping a tape comprises tape twisting means, and, upstream of the twisting means, means for shaping the tape. The shaping means comprises a body over which the tape passes, the body having a first surface of at least partially cylindrical form and an outwardly curved edge surface extending along a side of the first surface. Tape supply means is arranged to feed the tape onto the first surface such that the tape is inclined to a plane at right angles to the axis of the first surface whereby an edge of the tape engages the curved edge surface and is thereby shaped in order to initiate wrapping. The system is particularly suitable for wrapping a paper tape around a nylon core.

Abstract: A wrapped-yarn spinning machine having several spinning places which include each a hollow spindle connected with a drive and carrying a binding thread rotating therewith; the hollow spindle is provided with a false twist device and is arranged between a delivery device for a sliver to be wrapped by spinning and a take-off device for the wrapped yarn; a yarn detector is coordinated to the wrapped yarn which detects the yarn tension and is operable to individually shut down the respective spinning place by interrupting the sliver feed and the drive of the hollow spindle in case of a breakage of the binding thread or of the sliver; the false twist device is provided at the inlet end of the hollow spindle while the yarn detector is arranged between the hollow spindle and the take-off device.

Abstract: In the laying-up of the cores of a multiple core cable in which the cores travel from a plurality of auxiliary platforms rotatably mounted on a main, rotatable platform to a laying-up member, the platforms are rotatable by separate motor drives, one for each platform, and the cores operate position sensors intermediate the auxiliary platforms and the laying-up member so as to speed up or slow down the motor drives for the auxiliary platforms dependent upon the positions of the cores as they pass from the auxiliary platforms to the laying-up member thereby eliminating residual torsion in the cores of the cable.

Abstract: A yarn spinner has two spaced apart upstanding posts whose upper ends each have a slot for receiving and journalling opposite ends of a spindle shaft. A flyer formed by a wire constituting a guide has a loop formed in it through which spun yarn is diverted to a distributor. The distributor is a v-shaped spring clip having a hole in each side for passing over the guide wire and a ring is suspended in the apex of the V through which the yarn is threaded for diverting it to a bobbin on the spindle. Pressing the sides of the spring clip toward each other releases it for movement on the guide wire and releasing the sides re-engages it with the wire. A tensioner line running over the bobbin has a rubber band in it and a capstan allows winding and unwinding line to increase and decrease the stretch of the rubber band to corresponding change the frictional drag on the bobbin.

Abstract: A device for interrupting the feed of a roving to drawing frames of a thread spinning machine of the type wherein each drawing frame comprises a plurality of pairs of upper and lower drawing rollers, of which the lower drawing roller, located on a roving in-feed side of the drawing frame, is provided with a clamping segment for interrupting the roving feed in a released position thereof in response to a broken-end detector, which monitors the presence of a spun thread, is improved by the provision of a suction device, associated with the drawing rollers on a thread formation side of the drawing frames, for collecting rovings present in a drawing frame when the roving feed thereto is interrupted. In accordance with a perferred embodiment, the suction device comprises suction tubes which are mounted for movement away from the drawing rollers and lockable in respective operating and nonoperating positions.

Abstract: Textile yarn having a staple yarn character and including continuous filaments with each continuous filament being formed into coils, loops or whorls at random intervals along its length, each continuous filament having a main body section with a portion thereof along the length of the main body section being intermittently separated from the main body section and a fraction of the intermittently separated portion being broken and providing free ends extending from the main body section.

Abstract: The present invention relates to an improved process for blending together textile like fibers exhibiting a relatively high modulus of elasticity together with textile fibers exhibiting a relatively low modulus of elasticity which blend can further be converted into a high quality blended yarn structure. When the textile fibers exhibiting the relatively high modulus of elasticity are also electrically conductive, such as e.g. metal or carbon fibers, then the resulting yarns and fabrics can be designed with a predetermined level of electrical conductivity.

Abstract: In order to maintain a desired feed velocity in a glass-fiber thread passing via a traveler from a supply bobbin to a cop on a spindle, the thread is led upstream of the traveler through the nip of a pair of rollers that are set in rotation by its motion to drive a tachometer working into a speed regulator which controls the bobbin drive. The output signal of the tachometer may further be used to measure the length of thread payed out from the supply bobbin and/or to generate an alarm signal stopping the bobbin and spindle drives in the event of a slowdown of the roller rotation indicative of a thread break; such an alarm signal could also be produced when a speed sensor coupled with the bobbin drive detects an excessive increase in its operating speed caused in the event of a thread break by feedback from the tachometer.

Abstract: A method and apparatus for twisting a yarn, such as a sliver of staple fibers, is disclosed, and wherein the yarn is advanced through a drafting zone and then through a twisting apparatus. The twisting apparatus includes two circular discs, with at least one of the discs being flexible. Also, in the preferred embodiment, two separate pressure applying members are mounted adjacent the back surface of the flexible disc, with the members being positioned on opposite sides of the plane defined by the axes of rotation of the discs. The two pressure applying members are adapted to be actuated concurrently, with one member defining a first twisting zone wherein S twist is imparted to the advancing yarn, and the other member defines a second twisting zone wherein Z twist is imparted. Means are also provided for controlling the degree of twist imparted at each of the zones, so as to obtain, for example, a twisted yarn composed of core fibers having minimal twist and which are bound by outer fibers of greater twist.

Abstract: A yarn false twisting apparatus is disclosed which comprises a flexible disc mounted for rotation with a cooperating rigid disc to define a twisting zone therebetween. A pressure applying member is positioned adjacent the back face of the flexible disc for biasing the disc toward the rigid disc locally at the twisting zone so as to firmly engage the yarn passing through the twisting zone. The flexible disc comprises a hub portion disposed adjacent the center of the disc, an annular ring disposed concentrically about the hub portion and including a yarn engaging friction surface on one face thereof, and a distinct and highly flexible junction portion joining the hub portion and annular ring. The highly flexible junction portion permits the annular ring to readily flex in the lateral direction, to thereby permit the deflecting force to be minimized, while still permitting the rotating torque to be transmitted to the annular ring without significant circumferential deformation.

Abstract: So as to be able to achieve, in yarn manufacture, the very high speed required by the textile industry in open-end spinning devices, for the purpose of increasing production, the rotors which are connected to the spinning container including a spinning groove, are designed as a hollow shaft, and this hollow shaft is guided radially on a bearing journal located in the interior of the hollow shaft by means of gas-dynamic radial plain bearings designed as inner bearings. Gas-dynamic axial plain bearings are provided for the axial guidance of the rotor rotating at very high speed. The rotor together with the spinning container can be pushed in and out in a simple way from the spinning side, and to position the rotor over the entire speed range, permanent magnets are located in the bearing journal opposite the rearside of the spinning container and in an annular widened portion of the bearing journal.

Abstract: A multi-fuel rotary power plant using novel internal cooling and energy saving thermodynamic cycles, gas pistons, the unique rotary centers of the ellipse in a novel compressor and a slurry type fuel made out of colloidal carbon, hydrocarbon and other solvents. These rotary power plants are designed for universal application such as engines for large industrial compressors, cars, electrical power plants, marine and jet propulsion engines. These multi-purpose engines do not require design changes other than sizing for each application and an exhaust pipe change for the case of jet propulsion applications.

Abstract: A combined plant including a gas turbine, a steam turbine and a waste heat recovery boiler using exhaust gases of the gas turbine as a heat source for producing steam serving as a drive source of the steam turbine further includes an ancillary steam source separate from and independent of the waste heat recovery boiler. At the time of startup of the plant, steam from the ancillary steam source is introduced into the steam turbine until the conditions for feeding air to the waste heat recovery boiler are set, to thereby avoid overheating of the steam turbine due to a windage loss.

Abstract: The invention relates to a propulsion engine, particularly for supersonic aircraft. An internal propulsion system comprises an envelope displaying a tapered center portion, around which is coaxially mounted an external propulsion system which lacks a separate compressor. According to the invention, mechanisms are provided to divert toward the combustion chamber of the external propulsion system an adjustable fraction of the compressed air arriving from the last compressor stage of the internal propulsion system. A blower which is driven by the external turbine exhausts in parallel with the latter into an annular conduit which emerges between the internal nozzle and external nozzle and an exhaust nozzle, all of these nozzles being of variable geometry. The purpose of the invention is to improve variable cycle propulsion engines for second-generation supersonic aircraft.

Abstract: Grinder-mixers include a material infeed device such as a feed table for feeding bales of hay to be ground up and incorporated into livestock feed rations. Due to varying bale density, the bale grinder sometimes lugs down when encountering a dense bale. However, if the feed table continues to feed bales during such a lug down, the grinder may clog and stall. A bypass apparatus solves the feed table problem by providing a bypass valve automatically operable to stop motion of the feed table when a lug down occurs.

Abstract: An internal combustion engine with an apparatus for controlling supercharging pressure. The engine includes at its exhaust pipe a by-pass conduit by-passing a turbine of the supercharger. A by-pass valve (so-called waste gate valve) is arranged in the by-pass conduit, which by-pass valve is connected to a diaphragm type actuator. The actuator has a diaphragm opened to the intake pipe at a position between the compressor of the supercharger and a throttle valve. A fixed orifice is arranged in the conduit. The conduit is at a position between the fixed orifice and the actuator connected to the atmosphere via variable orifice. The orifice is operated in accordance with the engine acceleration condition so that the pressure at which the by-pass valve is opened is increased when the engine is accelerating.

Abstract: This device comprises a turbocompressor C whose turbine 7 has a scroll 8a connected to two pipes 5, 6 each connected to the exhaust of a group of cylinders of the engine. The inlet of the scroll is divided by a partition 10 into two conduits 11, 12 which extend the two pipes 5, 6. A regulating flap 15 is provided and constitutes a movable wall of the scroll and includes two extensions 18, 19 which extend on each side of the partition 10 into the conduits 11, 12. This arrangement avoids the phenomenon of a counter-scavenging in the cylinders of the engine and improves the efficiency of the turbine.

Abstract: A boiler driven power generator comprises a power generator directly driven by the expanded steam vapor inside a vaporizing chamber of a boiler to save energy as friction loss caused by the expanded steam vapors during vaporization.

Abstract: A high volume cryogen vaporizer includes a radiator where a working fluid draws heat from ambient air for vaporizing a cryogen in a heat exchanger. An electrical heater is provided for periodically heating the working fluid to defrost the radiator, thereby allowing sustained operation of the vaporizer. When not required for defrosting the radiator, the heater may be operated to heat a working fluid in a circuit separate from that of the radiator, and in which the heated working fluid is used for further elevating the temperature of the vaporized cryogen in a second heat exchanger, thereby making possible a gas output temperature higher than ambient air temperature.

Abstract: An air conditioner includes a compressor, four-way valve, outdoor side heat exchanger, expansion valve and indoor side heating exchanger, which components are sequentially connected via coolant tubes, thereby constructing a refrigeration cycle circuit which is capable of performing cooling (defrosting) and heating operations. A switching control valve is connected between the suction side of the compressor and the four-way valve. The control valve is opened when abnormal high pressure is produced in the refrigeration cycle and when the defrosting operation is performed. A first branch passage is connected at its one end between the four-way valve and indoor side heat exchanger, and at the other end to the control valve. During the heating operation, when the control valve is opened, the first branch passage forms a releasing circuit, thereby releasing the abnormal high pressure to the low pressure side of the refrigeration cycle.

Abstract: To reduce the probability of top freezing of a fresh cargo 12 in a trailer 10 served by a transport refrigeration unit 14, a control arrangement is provided including a sensor 18 controlling signals according to discharge air temperature fed to a first timer 20 which provides time periods according to the level of discharge air temperature, with shorter duration periods with lower discharge air temperatures, and when timer 20 times out effects actuation of relay 22 to reduce refrigerating capacity and start a duration timer 26 to maintain the reduced refrigeration capacity, with timer 26 functioning through a reset 28 to again start timer 20 when the duration timer has expired, and has caused the relay 22 to be operated to a position of normal refrigerating capacity.

Abstract: An S.I.R SYSTEM is a self-contained, indirect, refrigeration system which effectively and efficiently removes varying heat loads (i.e. heat of respiration of climacteric fruits) at changeable operating conditions. System design allows for quick and easy installation.

Abstract: An air temperature regulating or conditioning control apparatus for use in a space having one or more refrigerated display fixtures. The fixtures have an open refrigerated display zone separated from the conditioned room space by one or more planes (curtains) of refrigerated air substantially lower in temperature than the conditioned room space, which absorb energy from the room air adjacent these planes thereby causing it to be cooled. The apparatus comprises a housing having a return air chamber and a make-up air chamber isolated from the return air chamber. Each of these parallel chambers has an outlet connected to a mixing compartment for mixing the conditioned air received from both chambers. An air moving means is connected to the mixing compartment for displacing the mixed conditioned air through air flow convection ducts back into the space. Each of the chambers further has an air intake or inlet, a filter section and a cooling section.

Abstract: A multi-stage heating system comprising two or more heating stage units. Each unit holds a saturated solution of a hygroscopic solute in contact with solid solute and the units are connected in series in such a way that solution from one unit is fed into an evaporator in the next following unit. In each unit, vapour is brought in contact with the saturated solution to be absorbed by the latter, whereby the solution heats up and the so-heated solution is fed to the evaporator of the next following heating stage. The last heating stage unit is designed for the withdrawal of heat for consumption. If desired, the last unit may also be adapted for cooling. To this end this unit is associated with an external water evaporator which by heat exchange cools the solution inside the last heating stage unit to ambient or slightly above ambient temperature.

Abstract: A receptacle for holding a beverage container such as a beer keg while the exterior of the container is being subjected to a cold liquid is disclosed. In one embodiment, there is a plastic housing which is formed with a generally cup-shaped internal cavity, the cavity having a bottom cavity wall and cavity sidewalls. The housing is also formed with an opening for allowing the container and the cold liquid to be inserted in and removed from the cavity. A plurality of ribs are positioned in the cavity that have an inner centering edge which is spaced radially inward from the cavity sidewalls. The inner edges are suitable to hold the container away from the sidewalls when the container is inserted in the cavity and positioned radially inward of the inner edge. In another preferred form, there is also provided a platform positioned in the cavity and affixed to the bottom wall.

Abstract: A simple to use, durable and effective securing means for an interchangeable wearable jewelry item having a base unit and a feature unit is described. The securing means includes a receiving structure being provided with a resilient insert and being contained within the base unit, the resilient insert being provided with a threaded, and essentially tapered hole having a wider opening at one end and a narrower opposite end; and a threaded stem having one end for setting the feature unit, and the opposite end for frictionally engaging the receiving structure by way of the tapered hole.

Abstract: A circular knitting machine includes a cylinder spacedly provided with vertical slits on its overall circumference, and sinkers and knitting needles alternately mounted in every other slit of the cylinder. Each one of the sinkers is formed on its bottom side with a cutout so that a sinker selection jack moving up and down within the slit pushes the slant front edge of the cutout to move the sinker horizontally, or towards the center of the cylinder. With the structure, the movements of the sinker can be individually controlled to form a pile patterning and reversed patterning.

Abstract: Smoothing washed garments (10) in the treatment chamber (11) of a finisher produces a considerable amount of fluff. To remove the fluff from the device in a trouble-free and effective manner the flowing medium carrying the fluff along is passed through a sieve belt (20) which conveys the fluff out of the device. Outside the treatment chamber (11) the fluff is removed in a suitable manner.

Abstract: A top loading clothes washing machine has a resiliently mounted outer tub within which is a spin tub mounted for rotation about a vertical axis. At its upper end, the spin tub has a weighted balance ring releasably mounted on the inner side of the spin tub and extending toward the central axis to serve as a clothes guard. The balance ring is formed of a concrete aggregate material and is completely covered with a plastic material. The outer tub has a top cap with a spray tube on the underside extending around the periphery of the top cap and the tube has discharge openings directed into a spray channel which breaks up the stream of water and directs it downwardly onto the clothes within the spin tub.

Abstract: The invention relates to a machine for the treatment of animal hides and skins for the purpose of leather and fur manufacture and preservation.It is the object of the invention to create a machine which guarantees quality treatment of animal hides and skins in an economical way, for leather and fur manufacture and preservation.The invention has the object of developing a machine, which operates according to the continuous flow principle and which shortens the processing time of hides and skins.

Abstract: A high security barrel lock and a high security key with a movable external sleeve for maintaining the lock in an unlocked position. The lock has a cylindrical barrel with an axial bore. A hollow plunger and a center pin with an enlarged head are axially mounted in the bore. A pair of locking balls are constrained for limited movement between locked and unlocked positions in radial passageways formed in the barrel. The sleeve is fitted over the barrel and is constrained for movement between a locking ball holding position and a locking ball releasing position. In the holding position, the sleeve holds the locking balls in their unlocked position and, in the releasing position, the locking balls are released by the sleeve and free to move radially outward in the barrel passageways into their locked position. Thus, the installer does not require a key in order to install the lock.

Abstract: The present invention provides a padlock comprising a padlock body having formed therein a slot arranged to receive an object to be secured, a hasp mounted in the body and arranged to be moved between a first, inoperative position in which the slot can receive an object to be secured and a second, operative position in which it is disposed across the slot, said hasp being retained in said body in all phases of its operation and, when in the operative position, extending across the slot within the confines of the body so that the portion of the hasp securing the object is shrouded.The padlock of the present invention comprises a hasp which, when in the locked position, is shrouded but which does not have to be removed completely from the padlock body when not in use.

Abstract: The central locking installation for motor vehicle door locks blocks the locking element of the door lock by means of an additional, separately controllable blocking member. The locking element and the blocking member are driven by separate electrical drives which are connected into mutually parallel-connected current paths of one common drive current circuit. The drive direction of the two drives is controlled by common switches of a pole-changing circuit which reverses the current direction. Into the current path of the drives of the blocking member there is connected a control switch by way of which these drives can be switched on selectively. In the unlocking direction and the unblocking or releasing direction a time control system controllable by means of the door key in the unlocking of the door switches on the drives of the locking element and of the blocking member simultaneously. In the locking of the door lock only the drive of the locking element is switched on in its locking direction.

Abstract: The publication relates to a lock system of the type which may be activated and/or recoded by means of a preferably plate formed key and/or recoding unit. The publication relates also to a method for recoding such system and to a key member for recoding the system. The lock system comprises a reading unit reading the code on the key and/or recoding unit, a unit comparing and memorizing the detected code and means for activating the mechanical parts of the lock thereby suspending its locking effect. The purpose of the system is to enable recoding of lock independent of a priority determined sequence of codes on the key and without being dependent of a centrally arranged memorizing unit, memorizing the various codes in sequence. The proposed effects are achieved by including a code section on the key member on to which a recoding command may be recorded.

Abstract: A combination lock includes a bolt plate that can be retracted independently of a fence plate and dial wheel assemblies when a strap hinge is pressed thereagainst so that the bolt plate can latch into the strap hinge whether the dial wheel assemblies are in a proper combination symbols or not. The bolt plate which latches into the strap hinge can be moved against a biasing force by means of a fence plate which has spaced apart downward hook members abutted against three dial wheel assemblies when it is locked against a releasing movement. Each of the dial wheel assemblies are provided with a radial bore and an axial groove, the radial bores being respectively registered with the axial grooves when the dial wheels are in the proper combination of symbols in a proper sequence for permitting the releasing movement of the fence plate that brings the bolt plate to an unlatching position.

Abstract: An apparatus for sizing of tubes under the pressure of fluid comprises a split die (2) with a lock mounted on a bed (1) and provided with a horizontally arranged sizing channel (3) corresponding to the shape of a tube (7), a mandrel (6) for setting the tube (7) in the sizing channel (3) coaxially therewith, a means for delivery of fluid into a clearance (10) between the mandrel (6) and the tube (7), packings (19) for sealing the clearance (10) between the mandrel (6) and the tube (7), a hydraulic striker unit (24) for building up the pressure of fluid in the clearance (10), incorporating a working chamber (34) filled with a fluid and a vertically arranged receiver (30) with a barrel (25) wherein slides a striking ram (26) which at the impact builds up the pressure of fluid in the working chamber (34) connected to the sizing channel (3) of the die ( 2) through the medium of an adapter (36) joined to the sizing channel (3) and provided with a piston (37) serving for isolating the fluid filling the working chamb

Abstract: A forming machine (10) disclosed has an improved drive mechanism (28) for driving a pair of slides (20,22) mounted on upper and lower bases (12, 14) so as to provide forming of a workpiece for forming racks (24, 26) mounted on the slides. Upper and lower hydraulic motors (30,32) respectively drive the pair of slides whose movement is coordinated by a rotatable synchronizing gear (48) and upper and lower synchronizing racks (50,52). The synchronizing gear (48) is mounted by a connecting portion of the machine between the slides and is meshed with the synchronizing racks (50, 52) which are mounted on the slides by wedge adjusters (53) to adjust backlash of the synchronizing racks with the synchronizing gear. Both rotary and linear hydraulic motors for drivng the slides are disclosed. A pair of tie rod connections (150) preferably extend between the upper and lower bases to control deflection therebetween during the workpiece forming.

Abstract: A modular system for producing triple-necked open ended containers includes three substantially identical necking modules each having the same frame and identical rotatable turrets which have a plurality of identical necking stations around the periphery. Each necking station includes an annular necking die and a platform and punch which are cam-operated to move towards and away from each other and are maintained in engagement with the cams by pressurized fluid. Each necking station also has a container pressurizing means in the form of an annular chamber which acts as a holding chamber prior to transmitting the pressurized fluid into the container.

Abstract: A rolling stand comprises a housing defining a pair of parallel and spaced inner axes and a pair of parallel and spaced outer axes flanking the inner axes and defining therewith a plane. Respective inner rolls are journaled in the housing at the inner axes and have bodies axially symmetrical about the respective axes and having centered on the respective axes roll-body surfaces of noncylindrical shape and each formed by rotation of a continuously curved generatrix about the respective axis. One of the inner rolls is displaceable axially relative to the other inner roll from an end position to another position. The inner-roll surfaces are spaced in the plane in the other position at a uniform distance and in the plane in the end position at a nonuniform distance. Respective outer rolls journaled in the housing at the outer axes bear toward each other on the respective inner rolls.

Abstract: A device for manufacturing a laminated semifinished material by indirect extrusion of a sintered-bond blank consisting of layers of metal, metal alloys, metal mixtures or mixtures of metals and nonmetals comprises a vessel with a rectangular cutout or extrusion chamber and a one- or multipart extrusion die with one or several cutouts. A surface of the die facing the blank is profiled in the form of one or more roof gables, the surfaces of which gable forms extend perpendicularly towards the cutout from a sliding surface of the extrusion die.

Abstract: The present invention relates to a louver fabricating tool comprising a shaper element and a die element. The die element includes a recessed area having side walls and projections and an outwardly tapered apex wall. The shaper element includes an abutting region designed to fit a portion of the recessed area. The louver tool is portable and can form louvers in situ in sheet like material capable of being deformed because the louver tool only requires access to one side of the deformable sheet-like material in order to fabricate the louver.

Abstract: The clamping device comprises a vertical screw for supporting a body-clamping jaw unit. The screw extends through a horizontal slide attached to the side of the checking frame or bench jig and is supported on the slide by slidably mounted bearing-blocks and by clamping nuts. Vertical and horizontal millimeter scales are attached respectively to the screw and to the slide and the body-clamping jaw unit is detachable. The position of the clamping unit can thus be adjusted with accuracy. Detachable mounting of the clamping unit permits rapid exchange for adapting the unit to different vehicle body shapes and designs.

Abstract: A sensing element exposed to a gas to be analyzed has an internal resistance which depends on its temperature and also on the oxygen concentration in the gas. A thermistor has an internal resistance which depends on its temperature. The thermistor is positioned near the sensing element so that the temperature of the thermistor substantially coincides with the temperature of the sensing element. The ratio of the internal resistances of the thermistor and the sensing element is substantially independent of the temperature of the thermistor and the sensing element but is dependent on the oxygen concentration in the gas. A first device serves to sense the internal resistance of the thermistor and thereby determine the temperature of the sensing element. A second device serves to sense the ratio of the internal resistances of the thermistor and the sensing element and thereby determine the oxygen concentration in the gas. At first, the first device is enabled and the second device is disabled.

Abstract: An apparatus and method suitable for simultaneously testing the integrity of the joints and walls of a plurality of interconnected pipe sections is disclosed. Further, the present invention includes a method and apparatus for sequentially setting at different pressures the packers of such a device. A further feature of the present invention is the actuation of the pressurizing of an annular pipe section testing chamber by the setting of a packer adjacent to the chamber.

Abstract: The invention concerns a measuring apparatus for checking and determining the flow shear stress of certain suspensions, principally blood, by a static or dynamic method and to thereby plot the viscosity of the suspension. The apparatus employs an internal measuring chamber comprised of a passage arrangement to simulate the natural microcirculation area wherein a network of capillary passages diverge from a main passage, with at least two of the capillary passages of different lengths, with a length ratio that can range from 3:1 to 15:1, with those capillaries connected to a source of variable pressure and extending past a detector unit.