Abstract: A wall framing system using thermal-break studs comprising two half-studs located on opposite sides of insulating material, and top and bottom channels into which the insulating material is inserted, and to which the half-studs are fastened. The half-studs may be tied together, compressing the insulating material, for additional strength.

Abstract: A structural foam partition formed by mating identical thin wall panel member halves obtained from the same mold. Panel member halves having molded-in fasteners for mating the panels, molded-in ribs for increasing structural rigidity, and molded-in means to join assembled partitions into restroom enclosures. Alternatively, a structural foam partition with molded-in corrugations to increase structural rigidity.

Abstract: An elongated sealing and decorative gasket having a head portion and a mounting portion, the head portion being adapted to cover a channel into which the mounting portion is inserted and the mounting portion having a shape, in cross-section, generally of a diamond with an open center.

Abstract: A modular, pre-insulated and furred structural masonry building block comprised of a basic structural masonry element of modular dimension which incorporates into its construction by entrapment through a series of interlocking dovetail-shaped grooves. First: A furring element to allow the attachment of fixtures and finishes directly to the finished wall by the simplest means, nails or screws and the like, and second: A insulating element with a vapor barrier attached thereto which provides 100 percent full face area coverage including the mortar joints between block, and further incorporates into its design an excess mortar pocket around the perimeter between the elements which will allow the edges of the individual insulating elements to butt squarely together forming a continuous thermal barrier.

Abstract: An insulating system for walls of furnaces, kilns and the like including apparatus and methods for retaining the system in place. The system includes a crisscross pattern of insulation blankets positioned against the wall, a vapor barrier and high temperature modular insulation blocks positioned against the vapor barrier. The apparatus and methods for retaining the system in place utilize studs welded to the wall upon which the insulation blanket and vapor barrier are impaled and between which are positioned the modular blocks. A block retaining pin with a notched portion midway thereof cooperates with an aperture in the end of the stud permitting the pin to pass through the aperture of the stud piercing the wall of block to retain the block while the pin is rotated to provide an interlock of the notched portion of the pin with the aperture of the stud.

Abstract: Apparatus for automatically receiving and opening the four flaps of a cardboard case or the like. The invention includes a conveyor system for transporting cases in spaced relationship with each other past a pair of vacuum-actuated hinged shoes which engage and partially open the side flaps and direct the same into a plow. The plow completes the opening of the side flaps. A pair of brushes, having common drive, but opposite rotation, are adapted for opening the front and rear flaps. A fabric belt engages and holds the front flap down, while a rotating arcuate member makes hold-down contact with the rear flap. The apparatus is adjustable to accommodate cases and flaps of varying dimensions.

Abstract: A method and apparatus are disclosed for aligning the slices in stacks of sliced food products and for loading the stacks into container cavities. Stacks are received sequentially from a supply conveyor onto a stack support surface, where the stacks are detained either by friction with the support surface or by a stack catcher. A stack positioning member movable along the support surface pushes the stacks into engagement with a stack former for aligning the slices. Simultaneously, the stack positioning member retards movement of the next upstream stack on the supply conveyor so that the stack comes to rest on the support surface, and then pushes the previously aligned stack to a downstream pick-up station for loading into a container cavity. Each stack is removed from the loading station by a gripper assembly which pivots between the loading station and the container.

Abstract: A method and means for vacuum sealing perishable materials in bags fabricated of vacuum gas impermeable material. A method according to the present invention includes: partially filling a bag fabricated of gas impermeable material with perishable product, loosely positioning clamping means about the open end of said bag, isolating the loosely clamped bag in a sealed treatment zone, drawing a vacuum in the treatment zone to evacuate the interior of said loosely clamped bag, maintaining the vacuum for a period of time to equalize vacuum pressure within the treatment zone and the loosely clamped bag, rapidly breaking the vacuum to expel remaining gases from the bag and to compress the clamping means to seal the bag, separately sealing the clamped-end of the bag and removing the clamping means to obtain a vacuum packed product.

Abstract: A gang reel mower consisting of a pair of mower heads of the ordinary reel type laterally spaced apart in a forward row, and another mower head disposed behind and laterally intermediate the mower heads in the forward row. Each mower head is castered about a vertical axis disposed forwardly thereof, in order that it may operate directly forwardly even when the mower as a whole is negotiating a turn, and the caster axis of the rear mower head is shifted laterally of the mower frame in order that it will always be aligned to cut the strip of grass left uncut by the front mower heads. Mechanism is provided for elevating the mower heads to a transport position well above ground level, and in so doing to cancel and lock any castering motion thereof.

Abstract: A satellite mower-conditioner comprising a frame, a pair of rotary members mounted on the frame and rotatable about generally upright axes with each rotary member having mounted thereon for rotation therewith a plurality of rotary cutter units rotatable also about respective generally upright axes offset from the rotational axis of the rotary member, two sets of tines stationarily mounted on the frame and associated with the respective rotary members such that the tines of one set define, generally between the rotary members, an angle with the corresponding tines of the other set, and at least two additional sets of tines mounted for rotation with the respective rotary members.

Abstract: An apparatus for edging and mowing lawns. A rotary lawn edger is demountably attached to a rotary lawn mower for being driven by the motor of the mower through a power take-off, a positive first speed increaser drive and a slippable second speed increaser drive.

Abstract: A mower blade spindle assembly includes a drive shaft having a hub received on threaded end of the shaft. The shaft is tapered from the root diameter of the last thread and the hub is correspondingly tapered so as to provide a thread relief. The end of the shaft on which the hub is received has a threaded bore extending axially therein for receiving a blade mounting bolt. The bore is counterbored to a depth corresponding to the length of the threaded portion receiving the hub.

Abstract: The cutting cylinder of a forage harvester is provided with a plurality of fragmenting bars interspersed between the circumferentially spaced apart knives of the cylinder. Each of the fragmenting bars has a generally radially outwardly projecting portion that terminates in an outermost, serrated margin located inwardly adjacent the extremity of the cylinder as defined by the cutting edges of the knives during rotation thereof. Such serrations of the bars present rasping teeth that abraid, fracture and fragment crop cuttings produced by the knives so as to provide more uniformly sized, finer crop fragments and cracked kernels for the production of high quality silage.

Abstract: A lawnmower with rotating cutting blades has a central handle (1) provided with a hook (2) for mounting a grass collecting receptacle (3). The central handle (1) is so shaped and arranged as to permit easy lateral access during removal and replacement of the receptacle (3). The receptacle (3) is provided with a metal bail (4) for securement to the hook (2) of the handle (1). The base (6) of the central handle (1) pivotally supports a deflector (5) held in operative position by means of a strap (24) secured to the hook (2) of the central handle (1).

Abstract: A dual implement hitch for pivotal connection to the drawbar of a towing vehicle whereby a pair of implements, such as rakes, tedders or the like may be selectively towed in one of several modes by a simple movement of an operator without disconnecting the implements from the hitch and reconnecting same in a different position. The hitch comprises an arched longitudinal frame having a clevis at its front end for connection to the towing vehicle. The rear of the longitudinal frame is rigidly supported upon an arched transverse from which is supported by dirigible wheels at its opposite ends. A first hitch element is provided at the front end of the longitudinal frame behind the clevis for pivotally connecting a first implement to the frame, beneath the arch. A second hitch element is provided at the rear of the longitudinal frame for pivotally connecting a second implement in trailing position behind the hitch. A tie rod maintains parallel relationship of the wheels.

Abstract: A gardening tool having a long straight handle with a rake head on one end and a hoe head on the opposite end. The rake head has tines which extend beyond the one end of the handle at an obtuse angle to the longitudinal axis of the handle and terminate in transverse teeth which are disposed completely on one side of the handle. The hoe head extends beyond its end of the handle at an obtuse angle to the longitudinal axis of the handle and it presents a flat blade located completely on one side of the handle. The rake head and the hoe head are offset from each other rotationally about the axis of the handle to prevent the hoe head from striking a person using the tool for raking and to prevent the rake head from striking the person using the tool as a hoe.

Abstract: A releasable lock mechanism for securing a spool of wire in its supporting cradle in a tubular type wire stranding machine. The mechanism is both positive in action and easy to operate and includes for each end of the spool shaft a generally sector shaped locking member that is movable into and out of a position overlying the end of the shaft. When the locking member is moved into its locking position overlying the end of the spool shaft, it is positively yet releasably held in this position by coacting detent means on the member and cradle side rail.

Abstract: A broken end piecing up apparatus for ring spinning frames having a servicing assembly propelled along the spinning frame. This servicing assembly comprises a pressurized housing which contains the mechanisms. An optical scanner is provided for detecting the absence of yarn on the corresponding bobbin and provision is made for positioning the apparatus in front of the spindle where the absence of yarn has been detected. The apparatus has a mechanism which then stops the broken end spindle and rotates it in the unwinding direction, withdrawing and picking up this broken end from the bobbin. Then a predetermined length of yarn is pulled out from this bobbin and fed through the corresponding ring traveller. The broken end is cut, combed and fed to the roving issuing from the drafting systems and the piecing up operation of both takes place. Then the servicing assembly moves on to detect a further absence of yarn.

Abstract: Method and apparatus to produce a continuous filament textured yarn with unusually low crimp contraction and intermittent crimp and molecular orientation along its length. This is accomplished by the use of an electromagnetic tension device to control the draw in the yarn being supplied to a false twist device driven at a speed to provide low false twist in the yarn being twisted. The apparatus includes a control between the electromagnetic tension control and the yarn supply package to prevent the yarn coming off the package from rotating in a full balloon path and consequently prevent entanglement of the yarn in the yarn guides as it passes to a yarn consuming machine.

Abstract: A twisting method for a yarn strand includes passing the yarn to a pin where the yarn is wrapped no more than 360.degree. about the pin and where the pin intersects the yarn path at an angle of approximately between 90.degree. and 100.degree., the yarn may be previously heated and cooled upstream of the twister to impart texture to a thermoplastic yarn; the pin twister may be flexible and may be vibrated to induce random variations in the amount of twist imparted to the yarn wrapped around the pin; the yarn downstream of the false twisted pin may be passed directly to a fabric forming machine for incorporation of the yarn into a fabric; the pin may be used to impart twist to a moving yarn in a variety of applications.

Abstract: A fuel control for a gas turbine engine is operable in a training mode in addition to the conventional automatic and manual back-up modes. In the training mode the manual mode is simulated, with signals commensurate with operator action being delivered to the fuel metering valve actuator, while protection against exceeding the safe operating limits of the engine is provided.

Abstract: A method for producing power from coal in a combined cycle apparatus 10 is disclosed. A partial gasifier 22 is used to convert the coal into combustible fluids and combustible char. An auxiliary combustor 20 is employed to burn the char and provide heat to the steam turbine engine cycle. The combustible fluids are burned directly in the gas turbine engine cycle. The efficiency of the cycle is improved by adding coal to the gasifier to improve the efficiency of the gasifier and the steam turbine engine cycle.

Abstract: In a dual area nozzle automatic mechanical actuation system for a boost-sustain solid propellant rocket motor, a pressure differential is created on the opposite sides of a ball-catch retaining ring when a fast-burning portion of the solid-propellant grain is spent and a slow-burning portion is ignited that allows the blow-out load on the smaller throat orifice of a mechanically restrained movable nozzle section to move the movable nozzle section to seat the smaller throat orifice against the larger throat orifice of a fixed nozzle section.

Abstract: A control for a variable displacement motor and operable in either direction of rotation of the motor (10) and which acts on a servo cylinder (55) to set the position of a wash plate (50). The control includes a signal-setting valve (65) operable in response to the rate of fluid flow through the motor by sensing a pressure drop in a closed circuit line to the motor to set a variable control signal and the variable control signal is applied to the displacement-setting mechanism (56,55) for the motor to have a decrease in motor displacement related to an increase in the rate of fluid flow through the motor.

Abstract: In a hot gas engine of the type having a regenerator surrounding each cylinder top a part of the upper cylinder wall and the regenerator have been made as a unit having low heat conductivity in axial and radial directions, the unit consisting of two interconnected wall elements leaving a gap of ring shaped cross section between them, and the regenerator being brazed to the outside of the outer wall element.

Abstract: A control arrangement is provided for controlling the operation of an hydraulic assist turbocharger of the type including an hydraulic turbine driven by an hydraulic fluid under pressure to supplementally drive a turbocharger during engine operating conditions when supplemental air flow is required. The control arrangement includes a dual function control valve responsive to engine speed and load to regulate the supply of hydraulic fluid to the hydraulic turbine in accordance with engine air flow requirements.

Abstract: A fluid-impervious self-inflatable sealed pouch containing separately compartmented first and second gas generating components which, upon admixture in successive discrete quantities, generate gas, causing the pouch to expand gradually from an initial collapsed condition to an ultimately fully expanded condition. Within the pouch is a mechanically rupturable solvent-containing member optimally including a measured quantity of one of said components and the other said component is enclosed by a water-soluble film barrier of polyvinyl alcohol, methylcellulose or the like, additional inner receptacles within the pouch contain measured quantities of said one component for successive release into said admixture caused by expansion of said pouch.

Abstract: Combustors [22] which employ such features as rotary cup fuel atomizers and the latter in conjuction with CIVIC combustion to enhance flame performance, to produce efficient combustion over a wide operating range, and to eliminate the problems typically encountered in liquid fueled combustors, especially as they are scaled down in size. A porous or perforate barrier [180] can be used to keep large fuel drops from reaching the combustion zone [124] of the combustor. Also, an air buffer system can be employed to keep fuel from backing up to the bearings [32] by which the rotary cup [98] of the atomizer is rotatably supported, and a fuel supply line [56] with a strategically located orifice [176] can be provided to effect an interaction between fuel discharged therefrom and the buffer air. This keeps the film of fuel formed on the atomizer cup [98] from being disrupted and also keeps the buffer air from penetrating to an inner hot gas recirculation zone [130] in the combustor.

Abstract: A cryogenic refrigerator of rotary type which comprises a generally cylindrical rotor and an expander formed about a first axial portion of the rotor which is used as the expander rotor, with a plurality of radial vanes for defining about the expander rotor a series of expansion compartments which vary in volume as the rotor rotates. A regenerator is provided inside or outside and about a second axial portion of the rotor adjacent to and in fluid communication with the expander compartments. A compressor supplies compressed gas to the expander compartments for adiabatic expansion accompanied by a temperature drop of the expanded gas, which is conducted through the regenerator back to the compressor.

Abstract: A refrigerated display case having a display section within a cabinet and a movable door covering a front access opening to such display section. The door includes a frame member in which two glass members are mounted with an air space between the glass members. A refrigeration air conduit extends along the top, bottom and rear walls of the cabinet. The air conduit has an outlet opening and an inlet opening at opposing ends thereof with the openings being in alignment so that air leaving the outlet opening will be directed towards and received by the inlet opening thereby forming an air curtain across the front opening of the cabinet along the path inside the door. During a refrigeration cycle of operation of the display case, refrigerated air is circulated through the air conduit and a refrigeration mechanism arranged within the conduit so as to establish a refrigerated air band and a refrigerated air curtain across the front opening in the cabinet.

Abstract: A unitary air conditioner unit adapted to be mounted through a wall opening of an enclosure to be conditioned including an air sensing system operative for generating a signal dependent on the level of gases in the enclosure air. The control is operable for adding outside air to the circulating enclosure air or for exhausting enclosure air when a first level of gases sensed and for causing an alarm to sound when the level of gases is above a predetermined value.

Abstract: A gas sensor is provided to detect the concentration of a gas component included in external air which may be led into the compartment of a motor vehicle. When the level of an output signal from the sensor exceeds a first predetermined value, the air-conditioning system is switched to internal air recirculation mode so that unclean external air is not led into the vehicle compartment. When the level of the gas sensor output is continuously kept below a second predetermined value, which is smaller than the first predetermined value, for a predetermined period of time, the system is switched to external air introduction mode. Instead of directly comparing the level of the gas sensor output with the first and second predetermined levels, a relative value of the gas sensor output may be compared therewith.

Abstract: An oil separation system for a refrigeration system having compressor, condenser-receiver and evaporator means, including an oil separator having a vortex separation chamber disposed in the refrigerant gas discharge line between the compressor means and condenser-receiver means, an oil reservoir for receiving oil from the separation chamber, and oil control means for maintaining a predetermined oil level in the compressor means including a pressure differential valve for regulating the flow of oil from the reservoir to the compressor means.

Abstract: A refrigeration system including a refrigeration control system for controlling the operation of the refrigeration system so as to insure that the temperature of the refrigerant discharged from the evaporator coil is above the saturation temperature. The refrigeration system includes at least one refrigerated display case having an evaporator within the primary air conduit and an expansion valve coupled to the inlet end of the evaporator coil. The control system includes: a pressure sensor arranged within the refrigerant discharge line, i.e. suction line to compressor, from the evaporator coil; a first temperature sensor arranged at the air discharge side of the evaporator coil for sensing the temperature (T.sub.1) of the air that has passed over the evaporator coil, a second temperature sensor arranged adjacent to the refrigerant discharge end of the evaporator coil for measuring the temperature (T.sub.

Abstract: An insulated receptacle for holding beverage cans or other food items in the front seat compartment of an automotive vehicle. The receptacle has hangers for releasably mounting it in the vehicle, an air inlet for connection to a flexible hose leading from an air vent connected to the vehicle's air conditioning/heating system, and an air outlet for passing air from the interior of the receptacle. Can support members in the receptacle present upwardly-facing recesses for snugly receiving beverage cans.

Abstract: An air-conditioning machine having, in blocks within the same box body, an indoor-air circulation wind passage, an outdoor-air circulation wind passage, and a ventilation wind passage. An opposite-flow heat exchanger, designed to recover the heat in the ventilation wind passage, is provided. One of two opposite faces having two wind passage openings in one face of the opposite-flow heat exchanger faces the outdoor-air circulation wind passage. The other thereof faces the indoor-air circulation wind passage. Shutters or dampers are provided on both of the faces. Functions of cooling and heating, heating and exchange ventilation, and simultaneous feed and exhaust non-heat-exchange ventilation can be exhibited.

Abstract: A helical screw rotary compressor for a closed loop refrigeration system such as an air conditioning system for a bus or like vehicle is connected in series with a condenser and an evaporator, in that order, with the evaporator at a raised position relative to the compressor and utilizes a vaporizable refrigerant which is miscible with a lubricating oil employed to lubricate the moving components of the screw compressor. The bus engine driven, clutch operated, helical screw rotors are mounted within parallel intersecting bores within the compressor housing. A slide valve underlies the intermeshed rotors and forms a portion of the screw compressor envelope, the rotors opening to a suction port connected to the outlet side of the evaporator above the rotors. A high pressure discharge port at one end of the intermeshed rotors leads to an auxiliary chamber bearing an unload cylinder which drives the slide valve and which opens at the top to a housing discharge port leading to the condenser.

Abstract: A method and apparatus for achieving efficient utilization of the thermal energy generated by the indoor fan motor of an indoor unit of a reverse cycle air conditioning system is disclosed. A method is provided for dissipating the thermal energy of the fan motor to the indoor air stream when the heat exchanger is in the heating mode of operation and for dissipating such thermal energy to a heat sink when the indoor unit is operated in the cooling mode of operation such that the fan energy may either be added to the amount of heat energy being supplied to the enclosure or may be dissipated outside the enclosure such that it is not added to the cooling load of the enclosure when the system is operated in the cooling mode.

Abstract: An economizer assembly is disclosed wherein a sliding door is utilized for covering an outdoor ambient air opening allowing outdoor ambient air flow into a space to be conditioned. A motor shaft arrangement connected via a rotating drive rod is utilized to slidably displace the door to any position necessary to effectively regulate air flow. The utilization of this economizer control arrangement with a rooftop type air conditioning unit is further disclosed.

Abstract: Continuously operating adsorption refrigeration plant, comprising a gas-tight housing having at least one expeller chamber and at least one adsorption chamber disposed therein sequentially following each other in a close loop, sealing gates disposed between the chambers for preventing an uninhibited exchange of gaseous coolant between the chambers, an endless structure disposed in the housing including carriers for solid adsorbent of a coolant and connection members spacing the carriers apart from each other, the carriers being movable one after the other through the chambers of the housing.

Abstract: In the take-down mechanism the plurality of coaxial roller sections (14.1 . . . 14.x) of the take-down roller are moveable on a common shaft (16) and adapted to be coupled separately and selectively with a driving means (17/18) that is to say independently of one another. A return rotary movement of the roller sections is prevented by one-way clutches constituted by loop springs (35,36). The common shaft (16) can be turned for adjustment of all the roller sections in common. Annular guards (28) prevent threads intruding between the individual roller sections (14). (FIG. 1).

Abstract: The present invention relates to improvements in clothes washing machines of the type having an inner clothes wash basket and an outer water-retaining tub, and more particularly to an additive dispenser system mounted on the hollow post type agitator and including an additive diverter on the basket bottom wall for introducing additive to the outer water-retaining tub free of contact with the clothes being washed.

Abstract: The invention relates to apparatus for the simultaneous laundering of different laundry items, for example white and multicolored laundry batches, in a continuous washing machine, as well as a continuous washing machine appropriate therefor, comprising a washing drum whose washing compartments are separated from each other and are in each case connected to another washing compartment by a countercurrent conduit, whereby the countercurrent conduits (10) in each case are connected to a shut-off means (4) controllable with regard to their opening and closing condition, the washing compartments (23 C to K) moreover are connected in each case via a conduit section (10) having a controllable shut-off means (2) to a common connecting conduit section (12) which in each case are provided between two adjacent connecting conduits (11) with a correspondingly controllable shut-off means (3), and whereby a program-controlled control installation is present by means of which the shut-off means (2, 3, 4) are to be actuated i

Abstract: A cylinder lock having a generally cylindrical barrel with a barrel body within which are slidably located a plurality of locking pins which intersect the keyway in the cylinder lock to thereby engage a key located in the keyway. The locking pins are arranged in two sets which extend generally longitudinally of the body with the locking pins secured within the body to prevent rotation about the axis of movement of the pins.

Abstract: A system is provided for measuring the shape of sheet stock within a rolling mill. The system includes a shape sensing roll including a plurality of roll segments. Each segment includes a magnetic bearing, the stators thereof being mounted to a stationary shaft. The bearing rotors are mounted in a steel ring which contacts the strip to be measured. Each roll segment is suspended by a magnetic bearing which is free to react to the loading placed thereon, independent of adjacent segments. Since the magnetic bearing system automatically regulates the power supplied to the electromagnets of the respective bearings to maintain their concentric positions, changes to the power inputs are a direct indication of the magnitude of the loading thereon.

Abstract: Apparatus and method for hot rolling metal between a plurality of roll stands having work rolls with nonpolar surfaces lubricated by a nonpolar lubricant.

Abstract: A process for rolling a metal strip for reducing its thickness and for increasing the maximum reduction attainable per pass using a cooperative type rolling mill comprises applying differential separating forces to the metal strip without changing the magnitude of the compressive force applied to the rolls. By doing this, the maximum strip tension and the forward tension required to pull the strip through the mill may be reduced. The maximum strip tension and the required forward tension force may further be reduced by driving at least one work roll at a desired value of torque as well as applying differential separating forces. The cooperative type rolling mill uses a roll spacing arrangement to space at least some of the rolls for reducing the separating force applied to the metal strip at selected roll bites. In addition, individual drive motors to drive the work rolls at desired torque values may be utilized.

Abstract: A continuous rolling mill with crossed alternately inclined stands is described in which the working rolls and their roll chocks forming each stand are united to form a unit which can be displaced individually in a direction parallel to the axes of rotation of the said rolls. During changing of the rolls, a thrust member expels the said unit from the stand, in a direction parallel to the axes of rotation of the rolls, onto a load-carrying platform which can be tipped about an axis parallel to the rolling direction to a horizontal position on a carriage which is movable on rails along the sides of the rolling mill.

Abstract: A method for making by a deep drawing process a thin-walled bearing bushing comprising a cylindrical sleeve section and a bottom section closing one end of the sleeve section having an outer peripheral rim at the juncture of the sleeve and bottom sections of small cross sectional radius including the step of forming an annular groove which is deep relative to the normal thickness of the bottom section and has a sharp profile in one face of the bottom section adjacent the juncture of the sleeve and bottom section, the groove being impressed axially to effect radial displacement of the material outward into the area of the peripheral rim.

Abstract: A gas composition sensor includes a gas sensor element having an electric resistance value which varies in accordance with the composition of exhaust gases to be sensed, and a pair of electrodes attached to the gas sensor element for detecting the electric resistance value, whereby the resistance value of the gas sensor element is detected to sense the composition of the exhaust gases. A layer of material substantially impervious to the gases is formed on the gas sensor element to extend between the electrodes and surround the electrodes and the layer is also formed on other portions of the electrodes exposed to the exhaust gases.