Abstract: A toy figure including an elongated, one-piece flexible, plastic tube extending longitudinally from a portion of the head and continuously through the body and terminating at the bottom portion thereof for restoring the toy figure to its original condition after the toy figure has been deformed. Two abutment elements are also provided and are held together by a rope to the ends of the tube. The toy figure further includes two clamps located at its limbs and are connected to the tube.

Abstract: A game call has a plurality of planar, thin, flexible diaphragms separated from one another by at least one frame. Each of the diaphragms has a free open edge and is sealed around the remaining portion of its edge. The free edges of adjacent diaphragms are of different effective lengths.

Abstract: Oil products and a high nitrogen content residue are obtained by growing halophilic algae in saline solution, harvesting an algae-salt water slurry, solvent extracting said slurry, and recovering the product and residue. Use of a growth promoting enzyme, salt concentration gradients for harvesting, and water insoluble solvents at elevated temperatures are preferred.

Abstract: An insulating device or insulator for trunks of trees or plants is described that provides protection and thermal insulation against damaging cold during their tender years. This device is adjusted for fit about the trunk by the trunk itself as it increases in girth, thus providing effectiveness for several years without attention. The insulating device is weather resistant, protecting the young trunk from both wind damage and the effects of water from rain or irrigation. The device also protects the trunk against bark chewing rodents and prevents sprouting along the lower trunk. A preferred embodiment of the device includes liquid receiving pockets that act as "heat sinks" to protect the trunk from below freezing temperatures.

Abstract: An article of furniture including a recessed portion for accomodating a removable planter as well as a storage area or areas for receiving a plurality of diverse items.

Abstract: A processing plant involving the heat treatment of materials which are in finely divided state is provided with explosion relief means afforded by a door pivotally mounted across an opening in the wall of the plant. A lip of the door engages a resilient seal extending around the periphery of the opening, and the door is held in a closed position by a rupturable element which breaks when the pressure within the plant rises above a predetermined pressure to allow the door to open. There is additionally provided, extending across the door, an elongate tension member which is operative, subsequent to initial opening movement of the door, to apply a force to cause the door to return to its closed position, to minimise the subsequent drawing into the plant through the opening of air.

Abstract: A door spacer adapted for mounting in the space between a sliding door and its top track to prevent vertical motion of the sliding door into the space adjacent its top track member, comprising a base member and first and second legs forming a triangle with an apex which extends vertically into the space between the sliding door and the top track. Means are provided to move the point of attachment of one leg to the base longitudinally along the base to adjust the vertical height of the apex above the base of the door spacer.

Abstract: A weathertight sash window assembly including a pair of first and second engaging members disposed on and extending longitudinally of a pair of meeting first and second stiles, respectively. The first engaging member is movable between a first position in which the first engaging member pulls or draws the second engaging member toward the interior of the window assembly to force the second stile firmly on to the first stile throughout their length and a second position in which the first engaging member releases the second engaging member to allow the second stile off the first stile. The sash window assembly further includes means on the first stile for moving the first engaging member between the first and second positions in response to movement of a first fastener member between its locked and unlocked positions.

Abstract: A grinding machine for automatically cutting gashes into the end of a fluted end mill blank includes a base on which a grinding wheel is supported such that it moves back and forth tracing a swing path. The end mill blank is held in a work head that is supported upon a vertical slide which is in turn mounted upon a horizontal slide that moves over the base. The work head pivots about two axes for positioning the end mill blank at the proper angle with respect to the grinding wheel. A feed assembly advances the horizontal slide incrementally, and at the same time moves a control slide that actuates various switches which control the operation of the machine. The feed assembly also shifts the vertical slide at the proper time within the grind cycle. In addition the machine has a wheel dresser which automatically dresses the grinding wheel when the feed assembly shifts from a rough feed to a fine feed.

Abstract: A chucking method and apparatus for processing a lens blank in a manner requiring only a single mounting of the blank to an associated lens block. The lens block is mounted to the convex lens blank surface by a hot melt type of adhesive so as to extend outwardly thereof substantially coaxial with the lens blank frame center axis. The lens blank and lens block are releasably mounted in a chuck associated with lens surface generating apparatus such that the lens blank frame center axis and the tail stock of the generating apparatus are coaxial. The chuck includes means for selectively adjusting and rotating the lens blank relative to the tailstock for accommodating any desired decentration, axis setting and prism prescribed for the finished lens. Following generation of the desired optical characteristics in the lens blank, the blank and associated lens block are mounted and processed first in surface fining apparatus and then in peripheral edge contouring apparatus.

Abstract: A tool sharpening fixture is provided which is particularly suited for sharpening rotary cutting tools. The tool sharpening fixture comprises a housing having a throughbore and a bushing rotatably mounted in the housing throughbore and having an eccentric axial bore formed through its. An elongated cylindrical member is inserted through the bushing eccentric bore so that the elongated member extends outwardly from each end of the housing. The cutting tool to be sharpened is removably mounted at one end of the elongated member while the opposite end of the elongated member can be grasped by the hand of the user. An indexing ring is secured to the bushing and locks the elongated member to the bushing in at least two predetermined rotational positions. Typically, the number of indexing positions is the same as the number of cutting edges on the tool to be sharpened. A stop ring is also rotatably mounted to the housing and lockable at any desired rotational position.

Abstract: A grinding method and tool support assembly which permits the cutting angle and relief area of a cutting tool to be ground, using only the outer peripheral surface of the grinding wheel in a conventional back and forth movement. The support assembly comprises an upright member resting on a surface, an elongated tool support having mounting means so constructed that, when secured to the vertical portion of the upright member, the tool support is displaced from the horizontal by the desired tool cutting edge angle, and a fastener for the tool support mounting means which permits it to be rotated on a horizontal axis. This permits the tool to be clamped in position so that the cutting edge and relief angle may be ground simultaneously.

Abstract: An improved method and assembly for cladding an existing, exterior window frame. Frame expander receptors are fastened to the window frame head and jamb members. Frame expanders are retained in receiving recesses of the receptors. Cladding portions of the expanders clad the frame members and cover the fasteners for pleasing appearance. Moisture barriers separate the fasteners and the frame from the environment. A sill nose cover clads the sill.

Abstract: Constructing building walls from concrete blocks having flattened rectangular facing members held in parallel spaced relation by integral transverse webs spaced from the ends of the block by a distance equal to one-half the distance between the webs and providing a pair of V-shaped reinforcing of receiving notches having straight sides inclined at an angle of substantially 45.degree.. The blocks are stacked in equally staggered courses to define the wall panel and are held in position by a bonding agent securing the confronting surfaces of the blocks to each other with substantially no space therebetween. Vertical reinforcing rods are positioned in the vertically extending openings provided by the aligned webs of the blocks, and horizontal reinforcing rods are supported in the V-shaped notches, with the shape of the notches causing the rods to settle into desired positions on opposite sides of the vertical reinforcing rods.

Abstract: A masonry construction module is provided which possesses versatility in the formation of various types of structures. The module has corrugations on all of its side walls which interfit complementally with the corrugations of adjacent modules in a horizontal course, thus rendering the courses of modules self-aligning and interlocked. The opposite ends of the module are respectively recessed and step projected to promote self-alignment and interlocking with modules in courses above and below. Sloping end shoulder surfaces shed water and form a barrier to water, sight and sound. The modules are designed to be laid up without mortar but can be laid up with mortar if desired and core openings can accept concrete reinforced with metal or the like to integrate structures. The corrugated side surfaces also provide ideal adhesion with stucco and the like.

Abstract: A support bracket for ends of concrete beams, particularly precast ones, more especially the bottoms of T-beam legs positioned on a support beam of similar material, including inverted U-shaped straps inserted over the support beam on either side of the T-beam, and a supportive angle member connected to the straps and in supportive engagement with the underside of the T-beam leg, with a gasket therebetween, and the method of repairing joints between crossing engaging ends of concrete beams.

Abstract: An improved method of constructing residential buildings incorporates a utility core or compartment, the outer walls of which are common to selected rooms of the building. The water, sewer, and gas piping systems are located in the utility core, and may be connected to fixtures within the building by appropriate piping and conduit extending directly through the common walls, rather than built into the walls through the foundation or through the floor of the building. The utility core may be formed to accommodate differing floor plans and is located to be accessible from the exterior of the building.

Abstract: A built-in connector element is constructed for being anchored in sandwich ype compound panels. For this purpose the connector element has a central threading for cooperation with further connector components and a body with corners forming anchoring fins for holding the connector element in the compound panel. The cornered body is arranged substantially concentrically relative to said threading and has a rounded flange merging into the anchoring fins. The anchoring fins are so dimensioned that the circle enclosing the outer corners of the fins has a diameter which is equal or larger than the diameter of the flange. In one embodiment the central threading is provided directly in the cornered body. In the other embodiment a threaded member is laterally displaceable in the hollow cornered body, whereby the initial insertion of a screw is made easier.

Abstract: A process and apparatus are described for closing, by means of a line of heat-welding, the opening in a flexible plastic bag filled with a product; a slack is provided in the part of the bag below the line of heat-welding immediately before the heat-welding is carried out.

Abstract: A box blank with receptacle and cover sections each with side flaps and end flaps has a hinge panel joining the two sections. A vacuum pickup draws a flat blank from a supply stack to a feed carriage which transfers the blank past sprays that apply glue to the end flaps. The speed of the carrier varies, but beneath the glue sprays speed is uniform. The carriage delivers the glue coated box blank to a former and a tray forming head having concave and convex interacting pressure plates which maintain doubled over end flaps of each section in a concave configuration with respect to the box while the folded end sections are adhered to form a box tray from the blank. Former flap benders cooperate with the tray forming head to shape the box tray. A second vacuum pickup clasps the formed tray at the hinge panel and draws a shaped tray from the forming head into engagement with folding elements such that the cover and receptacle sections are bent together along the hinge panel to form a closed box.

Abstract: Packs of product move along a defined path, compressed in the grip of carrier jaws. A pair of webs of thermoplastic sheet material move towards said path from opposite sides thereof and are joined at a heat-fused seam to form an effective continuous strip across said path and into which a pair of carrier jaws moves with its pack. Pressure jaws converge just behind the carrier jaws to form the strip into a loop around the carrier jaws and produce two parallel, slightly spaced heat-fused seams between which the webs are severed and one of which connects the ends of said loop to form a band around the carrier jaws while the other connects the webs into a strip for formation of the next band. Until the band-completing seam has cooled, the carrier jaws keep the pack compressed enough to prevent seam rupturing tension on the band, then diverge enough to tension the band slightly, whereupon band and pack, in unison, are slid endwise out of engagement with the carrier jaws.

Abstract: A device for wrapping a sheet material about an object is disclosed such as a heat shrinkable plastic material about a container in a shrink bundling process. The device is able to cover both the top and the bottom of the container or in the alternative cover only the top of the container with the use of auxiliary glue guns. The device comprises a frame having a conveyor for moving the container. A first sealing member includes a plurality of sealing elements rotatably mounted on a hub which is journaled to the frame. A second sealing member is slidably mounted to the frame for cooperation with one of the plurality of sealing elements. The sheet material extends between the first and second sealing members whereat the second sealing member engages a first of the plurality of sealing elements to sever the sheet material at the leading edge of the object. Rotation of the first sealing member positions a second of the plurality of sealing elements adjacent the second sealing member.

Abstract: In accordance with the present invention, a pedal powered exercycle mower apparatus is provided. In one embodied form, the apparatus comprises a mobile vehicle member having a main supporting frame and a centrally positioned cutting apparatus mounted on the frame at its lower portion for cutting ground cover and the like. The cutting mechanism is driven by a series of gears which translate force from the pedals into rotational movement of cutting blade about a vertical axis transverse to the longitudinal axis of the main supporting frame. The apparatus further includes a plurality of sprocket wheels and a drive chain for apportioning power from the pedals to the cutting mechanism and to directional movement of the apparatus.

Abstract: There is provided a coupling section which comprises a main planar body having an aperture at one end. Extending from the main planar body on a first side is a rod. Secured to the end of this rod is a depending flange having an aperture coaxial with the aperture in the main body. An extending tab is secured to the vehicle body and is aligned between the flange and the main body. The tab has an aperture which, when aligned with the apertures in the flange and main body, provide a pivot point when a suitable pin or bolt is inserted through the apertures. The other side of the planar body contains a box-like housing having an extending rod to which a movable piston associated with a hydraulic cylinder is coupled. The cylinder body is rigidly secured to the vehicle chassis. The front end of the planar body has a transverse flange to which one end of a cutting head support beam is coupled. The other end of the beam is coupled to one side of a cutting head assembly.

Abstract: A wheeled platform is provided with a centrally located aperture for receiving and supporting the lower portion of a housing for a grass trimming device so that the cutting element of the device will extend beneath the platform and the motor housing will extend above the platform; pivoted arms are mounted on the platform to extend along or across the aperture to engage and hold the housing in position in the aperture on the platform; locking devices are provided on the top of the platform to grasp the ends of the arms to hold them in a closed position; a telescoping handle is pivotally mounted on one end of the platform on the top side thereof.

Abstract: A frame assembly mounted in the windrow discharge area on a swather or windrower on which a plurality of vertical assemblies, are mounted thereto. On these assemblies are mounted fraying and cutting blades. These blades are operated at a required speed to fray and distort the tips of the stubble and/or cut and reduce the length of the straw of the standing stubble so as to ensure that the supportive strength of the straw is not exceeded by the weight of the swath or windrow placed upon it. This will eliminate any distortion or buckling of the remaining conditioned standing stubble straws. A windrow delivery plate is mounted on the swather frame assembly within the windrow discharge area. This plate assures delivery of the windrowed material onto the swath support fingers which effect a gradual release of the windrowed material onto the remaining standing frayed and conditioned stubble directly behind the frayer conditioners track of travel in the field.

Abstract: This disclosure relates to a coffee harvester incorporating a mobile frame having extendable and rotatable wheel supporting hydraulic struts; opposed tined shaker with successive shaker arrays being mounted in an offset relation so that the tips trace a helix; fruit catching conveyor being propelled so that the conveying reach moves in the opposite direction but at the same speed as the harvester advances; inclining selected arrays of tines to enhance bean removal and a cleaning arrangement for removing twigs and leaves from the fruit.

Abstract: Method to provide a novel air textured yarn by combining a cold drawn core yarn and a false twisted effect yarn in a fluid tangling zone.

Abstract: What is disclosed is an improvement in a braiding assembly having a structural framework and a main rotating braider deck carrying a plurality of bobbins, each having a plurality of spools from which cable is pulled at the desired tension for being braided into a master cable for being wound into respective layers in the hose or the like. The improvement comprises respective bushings and nuts non-rotatably supported on the shafts of the bobbins, the bushings have respective radially protruding bases, or flanges, against which the nuts can tighten respective pairs of adjustably loadable bearings for providing the requisite accurate rotation and adjustable tension for the respective cables.

Abstract: This invention relates to a method and an apparatus for avoiding untwisting during the formation of a binding of two fiber bundles. The rotational direction of deformation members acting on the fiber bundles is selected to be different in different groups of deformation members in order to reproduce or to increase the original twist during the binding operation.

Abstract: A method of and apparatus for binding fiber bundles which reduces an abrupt cross-sectional course at each end of the fiber bundle resulting from the loose ends of the bundles having been removed. The loose ends are, during the binding operation, severed in a fraying manner by abrasive edges and the frayed bound ends are worked into the resulting binding.

Abstract: A bobbin holding device for holding at least one bobbin includes a hollow body having a bobbin receiving opening and connected at a base portion thereof to a doffing bar of a bobbin doffing and donning apparatus, a bobbin holding member disposed in the body and movable radially relative to the bobbin receiving opening between a projected position and a retracted position, and a flexible diaphragm disposed in the body in fluid tight relation with respect to the bobbin holding member for applying a fluid pressure on the bobbin holding member to move the same into the projected position. The bobbin holding device further includes a block member disposed between the flexible diaphragm and the doffing bar, the block member being formed with a fluid passage(s) to supply a pressurized fluid to the diaphragm without passing it through the doffing bar.

Abstract: Disclosed is process for producing a bundle of fibrous elements, at least some of which are uneven in the thickness in the axial direction thereof, namely some of which include thick portions having a larger sectional area and thin portion having a smaller sectional area. In these fibrous elements constituting the fibrous bundle, the thick portions have, in general, a higher dyeability than the thin portions, and in the fibrous bundle, these higher dyeability portions are formed substantially randomly at a distribution ratio of at least 300 portions per 10 cm of the length of the fibrous bundle. This fibrous bundle is characterized in that it apparently resembles a fibrous bundle composed of fibrous elements uniform in the thickness and dyeability.

Abstract: Fuel for satisfying low, normal and high electric power generation requirements is obtained from coal in the form of syngas and dimethyl ether fired in turbine-compressor arrangements driving electric generators, wherein the storable ether fuel is fired in turbine-generator arrangements to supplement that normally produced by firing and expanding syngas in appropriate turbine-generator arrangements. High pressure steam generated in the process is expanded in steam turbines to also generate power. Steam product of the combination operation is used in the coal gasification step to produce additional syngas.

Abstract: A method of performing work and an apparatus for performing the method utilizing the following thermodynamic cycle. Ambient air is isothermally compressed to a predetermined degree (A-B) and then heat is added to the air at constant pressure (B-C). This is followed by isentropic compression (C-D) which in turn is followed by heat addition at constant volume (D-E). Thereafter follows isentropic expansion (E-F-H-G) then finally heat recovery (G-A). The recovered heat (G-A) is preferably utilized for the initial heat addition (B-C).

Abstract: A gas turbine control system with a control signal generator for a two-shaft gas turbine having a compressor turbine and a power turbine. The gas turbine control system comprises, in combination, a control signal generator for outputting signals for giving optimum fuel supply rates to the fuel control valve in accordance with gas generator shaft speeds of the compressor turbine until the power turbine speed approaches a target power turbine speed, so that the turbine system can be controlled under direct control conditions, a comparator for outputting a signal to switch the system from direct control to feedback control when the signal level under the feedback control becomes smaller than that under the direct control, and a selector for selecting one of the above-mentioned two control conditions, in addition to a conventional feedback control system having a power turbine differential speed detector and an calculation unit.

Abstract: A method and apparatus for converting temperature differentials to usable energy employs a crystalline fusible material (47) having a fusion temperature in the range of from 70.degree. to 120.degree.. The fusible material (47) is mounted inside a cylinder housing (26) for driving a piston (22) therein as the fusible material (47) is alternately frozen and thawed by warm and cool fluid which is alternately circulated around and through the cylinder housing (26). The cool fluid is obtained from an unrefrigerated, ambient cool water source, such as tap water, ground water, evaporative cooler, or the like. Warm fluid is obtained from waste heat, solar heat, etc. In this system, a fine control is provided to insure that the crystalline fusible material (47) does not totally freeze or thaw, but rather remains in a transient state at all times. The piston (22) is linked to a hydraulic accumulator (12) for creating and maintaining hydraulic pressure.

Abstract: A fluid control cirucit for selectively varying the displacement of a variable displacement pump (P), such as the type employed in a hydrostatic transmission, comprises a primary control circuit connecting a pressurized fluid source (10) with the pump (P) and adapted to be actuated to selectively vary the displacement of the pump (P) between minimum and maximum values. A separate override control circuit is connected to the primary control circuit to override it to selectively vary the displacement of the pump (P).

Abstract: The invention provides a device for converting wave energy into useful work, and comprises a body adapted to be moved to and fro by waves on a liquid, and means such as a hydraulic piston in a cylinder for converting this movement of the body into a power output. The body may be disposed about a horizontal cable along which the to and fro movement of the body is arranged to occur, the cable being secured to the piston so that relative movement between the body and the cable results in displacement of the piston in the cylinder.A plurality of said cables may be threaded through the body, and some of these cables may be in mutually perpendicular relationship to each other to provide a device having an omnidirectional wave energy conversion capability.

Abstract: A method and a device for converting low temperature heat energy into mechanical or electrical energy, wherein at least one liquid or gas chamber performs work in response to temperature variations. According to the invention one or more expansible and compressible containers are arranged in said chamber. Each container contains a refrigerant capable of shifting from liquid phase to gas phase, and vice versa, thereby producing or contributing the work of the working gas or liquid. The refrigerant is alternatingly heat exchanged with two sources of low temperature heat energy, for example ground accumulators, of different temperatures, thereby causing alternating expansion and contraction of said containers.

Abstract: The brake booster comprises a working piston for activation of a master cylinder piston and a transmitting piston having a greater diameter than the working piston in a tandem relationship with the working piston. A transmission pressure chamber is disposed between adjacent ends of the working piston and the transmission piston and a first valve arrangement is provided to load the transmission pressure chamber with pressure fluid or to relieve this chamber of pressure. A drive or actuating pressure chamber is disposed adjacent the other end of the transmission piston and a second valve arrangement is provided to load the drive pressure chamber with pressure fluid or to relieve this chamber of pressure. The first and second valve arrangements are controlled by the brake pedal and constructed in such a way that when the brake pedal is initially operated the brake pedal and the pistons come to a stop until all idle paths have been travelled.

Abstract: Process and system for recovery of energy from geothermal brines and other hot water sources, which comprises direct contact heat exchange between the brine or hot water, and a hydrocarbon working fluid, e.g. n-butane, in a heat transfer column, the heat transfer column being operated at or above the critical pressure of the working fluid, and the hot brine or hot water feed being at a temperature at or above the critical temperature of the working fluid. The heated working fluid exiting the top of the heat transfer column is expanded through an expander to produce work. The discharge from the expander is cooled to condense working fluid which is separated in an accumulator, from condensed water vapor present in the working fluid, and the condensed working fluid is pressurized and fed back to the heat transfer column. Water from the accumulator can be fed to an H.sub.2 S removal system where good quality water can be recovered.

Abstract: Toxic liquids, especially halogenated aromatic hydrocarbons, are immobilized within a container by dispersing cryogenically comminuted polymer particles in a surface active state throughout the liquid. The polymer is injected into a container holding the toxic liquid as a slurry of particles in a cryogenic refrigerant. Use of a heat, shear or radiation degradable polymer as the immobilizing agent allows the solidified liquid to be returned to a fluid state for later disposal by incineration.

Abstract: Cryopump apparatus for evacuating very large chambers to ultra high vacuums includes cryogenic panels alternating with radiation shields having a unique Z-configuration which optically blind the panels. The panels and shields are supported by and housed within structure having specific components slidable along one another to thereby permit necessary movement of the components when the apparatus is subjected to cool-down or warm-up. The apparatus is characterized by very high pumping speeds and is capable of cryopumping from both sides thereof.

Abstract: Apparatus is disclosed for refrigerating a moist article, the apparatus comprising a cold room, means for circulating cooling atmosphere through the cold room, a moisture absorbent liquid cooling spray in the path of said atmosphere, means for collecting and recirculating the liquid in a continuous path, means for admitting a cryogenic cooling fluid to the liquid and means for removing the fluid and absorbed moisture from the liquid before the liquid returns to the spray.

Abstract: An open front refrigerated display case having mechanisms for establishing an inner refrigerated air band encircling the display portion of the case and secondary air band also encircling the display portion and being positioned outside of the inner air band. An inner air conduit passes around the cabinet of the display case and has an outlet opening at one end of the access opening in the front of the cabinet and an inlet opening at the other end of the front access opening in the cabinet. A fan circulates air through this inner air conduit with the air leaving the outlet opening and being directed toward and received by the inlet opening of the conduit, thereby establishing an inner air band along with an inner air curtain across the access opening in the front of the cabinet. An evaporator coil arranged within the inner air conduit serves to refrigerate the air passing along the inner air band during a refrigeration cycle of operation.

Abstract: An open top refrigerated display case having an ambient air automatic defrost system and a method of operating such a case. A single air conduit extends in a U-shaped formation extends around the case and has openings at both ends in the location of the upper portions of the side walls. At least one reversible fan and a set of evaporator coils are arranged within the air conduit. During a refrigeration cycle the fan circulates air through the air conduit in a first direction towards the evaporator coils. When frost buildup within the display case has reached a certain level, the system is switched to a defrost cycle of operation. During the defrost cycle, the fan circulates the air in the opposite direction through the air conduit and draws in ambient air from outside of the display case for defrosting the evaporator coils.

Abstract: An improved refrigerated merchandiser cabinet for food products storage and displaying which is equipped with transparent barrier doors which are openable by a door operating mechanism which selectively creates a gap between the door and the covered access opening to permit flow-through of ambient air for use during the defrost cycle. The door operating mechanism also permits the gap to be closed by imposition of an outside force by provision of a motion take-up means. Normal product entry and customer usage is provided for. Operation of the refrigerated cabinet with either a single or multiple air bands during a refrigeration cycle is provided for. During the defrost cycle a number of ambient air flow patterns can be employed, including the use of an auxiliary air fan. Reversal of the air band flow pattern during a defrost cycle is provided for. The method of operating the improved refrigeration display cabinet is also included.

Abstract: Cold or heat are produced by an absorption process comprising an absorption step, a desorption step, a rectification step, a condensation step and a vaporization step. The process operates at a lower pressure level and at a higher performance rate than the conventional absorption processes. This result is obtained by condensing the vapor phase from the rectification zone in admixture with a dilute solution of the working fluid and by supplying the absorption solution to an intermediary point of the rectification zone.

Abstract: Freeze concentrating an aqueous liquid mixture by feeding an aqueous liquid mixture to a freeze exchanger for indirect cooling by heat exchange to a cold fluid to form ice crystals in the liquid mixture; feeding the liquid mixture containing ice crystals from the freeze exchanger to the lower internal space of a vessel containing said aqueous liquid mixture whereby the ice floats to the top interior of the vessel; removing ice from the top interior of the vessel, washing the ice with water and heating the washed ice to produce potable water; removing aqueous liquid mixture from the vessel and recycling it to the freeze exchanger; and repeating the method in a continuous operation.