Abstract: A double drum arrangement comprising a frame adjustment mechanism to adjust the second frame with respect to the first frame for adapting the gap between the first drum and the second drum, wherein the frame adjustment mechanism comprises a robust adjustment mechanism for adapting the gap within a predetermined robust tolerance and a precise adjustment mechanism for adapting the gap within a predetermined precise tolerance, wherein the precise tolerance is smaller than the robust tolerance. Further, an adjustable end stop is provided.

Abstract: An apparatus for heat exchange with radial mixing comprises a trough with two rotatably arranged shafts extending alongside each other, which shafts are each provided with paddles spaced apart in an axial direction with an intermediate distance. The paddles extend substantially in a radial plane with respect to the shafts, and extend in a circumferential direction over at least a part of the circumference. In the circumferential direction, the paddles are at least partly wedge-shaped. Upon opposite rotation of the shafts, successive paddles mesh alternately, thereby forming a gap narrowing again and again. Per shaft, successive paddles in an axial direction are staggered relative to each other in circumferential direction through an angle.

Abstract: An apparatus for heat exchange with radial mixing comprises a trough with two rotatably arranged shafts extending alongside each other, which shafts are each provided with paddles spaced apart in an axial direction with an intermediate distance. The paddles extend substantially in a radial plane with respect to the shafts, and extend in a circumferential direction over at least a part of the circumference. In the circumferential direction, the paddles are at least partly wedge-shaped. Upon opposite rotation of the shafts, successive paddles mesh alternately, thereby forming a gap narrowing again and again. Per shaft, successive paddles in an axial direction are staggered relative to each other in circumferential direction through an angle.

Abstract: A crystallizer comprising an elongate housing with a drivable shaft extending in the longitudinal direction of the housing, at least one cooling element being placed astride on the shaft, which cooling element to that end has a slotted recess, the cooling element being swept clean by a sweeping element rotating along with the shaft.

Abstract: An apparatus for cooling and processing a molten product into a granulate product which apparatus comprises a displaceable support consisting of at least one substantially horizontal, disk-shaped element arranged for rotation about a substantially vertical shaft, means for depositing the molten product on the support, cooling means containing cooling liquid channels closed in themselves that form part of the disc-shaped element and, without connection with the environment, connect to feed and discharge means, and means for removing the molten product from the support in granulate form. Preferably, a double spiral-shaped channel is present per disk-shaped element, and the means for depositing the molten product on the support comprise a dispenser adapted to dispense the molten product batchwise or dropwise.

Abstract: In a method and apparatus for washing or peeling tuberous products including providing a bed of rotatable driven brushes in a container, supplying liquid into the container such that the undersides of the brushes extend into the liquid, disposing the tuberous products onto the brushes at one end of the bed and rotating the brushes to transport the tuberous products to the other end of the bed while cleaning the tuberous products, the improvement comprising contacting the tuberous products above the bed and along the length of the bed to slow down the transport speed of the tuberous products without decreasing the rotational speed of the brushes. The step of contacting comprises providing a plurality of freely pivotable flaps, brushes, grinding rolls, a brush plate an endless belt with cleats or the like above the brushes, with the lower ends thereof spaced apart from the tops of the brushes.

Abstract: An apparatus for discharging dirty liquid from a vessel under pressure, comprising a valve body having a supply and discharge opening, said body accommodating a valve having a stem extending beyond said valve body and adapted for coaction with a central seat having a discharge opening. Said stem is further connected to, or integral with, the piston rod of a piston-and-cylinder assembly arranged in alignment with said stem. Said valve body, stem and seat are designed and arranged within the valve body in such a manner that the fluid to be discharged can flow from all sides radially inwardly towards the discharge opening.

Abstract: A steam peeling or cooking apparatus for produce, such as potatoes, carrots, celeriac, red beets, Swedish turnips, apples, and the like, comprising a substantially cylindrical peeling vessel basically stationary in operation, said vessel including supply and discharge conduits for medium, in particular steam, and having closable supply and discharge openings. Said vessel is divided into two compartments by a grid-like screen arranged substantially at right angles to the axis of the peeling vessel. The compartment not being in direct contact with the produce supply opening forms a condensate chamber and includes a closable discharge opening, said apparatus further including means for agitating the produce during operation.

Abstract: A steam peeling or boiling apparatus for crops, such as potatoes, carrots, celery, apples and the like, or for meat, comprising a substantially cylindrical peeling vessel arranged for rotation around horizontal stub shafts, having a supply and discharge opening disposed eccentrically or non-eccentrically in one of the end faces. The opening is closable by an inwardly movable cover operated by a lever rotatably connected thereto, the other end of which is rotatably connected to the exterior of the vessel. The cover is provided with a second operating lever by means of which the cover can be displaced along the inner wall of the vessel in entirely "controlled" fashion. The second operating lever is rotatably connected to the exterior of the vessel at a location situated in the perpendicular median plane between the initial and final positions of the cover pivot of the second operating lever.

Abstract: The invention relates to a continuously working crystallizer in the shape of an oblong vessel with at its one end a supply and at its other end a discharge for the solution, with a rotatable driven horizontal shaft extending in lengthwise direction of the vessel and provided with discs extending in transverse direction, said discs being provided with a passage opening for the solution, said discs dividing the vessel in a number of sections succeeding in lengthwise direction to each other, each section having one or more cooled wall surfaces and conduits being provided for supplying and discharging a cooling fluid which is flowing along these cooled wall surfaces.

Abstract: A method for steam peeling a plant product selected from the group consisting of potatoes, carrots, celery, red beets, Swedish turnips and apples in a substantially cylindrical peeling vessel having a product opening at one end and a liquid discharge outlet at the other end. In the peeling vessel there is disposed a partition or grid at the liquid discharge outlet end perpendicular to the longitudinal axis thereof and spaced from the liquid discharge outlet. The partition prevents passage of product to be peeled while allowing condensate to pass therethrough such that the product does not lie in the condensate during the application of steam. The steam is applied through an access opening in the vessel which is above the product level when the vessel is tilted around a horizontal axis into a normally operating longitudinally inclined position.

Abstract: A steam peeling or cooking apparatus for plants, such as potatoes, carrots, celery, red beets, Swedish turnips, apples and the like or for pulp, provided with a substantially cylindrical peeling vessel arranged rotatably about horizontal trunnions, having a supply or discharge opening disposed in one of the head faces, while the peeling vessel is furthermore provided with a steam supply or discharge opening, while the peeling vessel is provided with a stirring gear rotatable about the longitudinal axis.

Abstract: A pipe clamp suitable for transmitting a tensile force as well as a compression force to a pipe comprises a housing (18) having a cylindrical inner wall, an opening (19) for passing a pipe to be clamped, two guide blocks (21,22) each having a sliding surface (32,33) running obliquely with respect to the axis of the opening (19), and two clamping blocks (34,35) which may cooperate with the oblique sliding surface of the respective guide block. The axis of the cylindrical inner wall of the housing (18) and of the opening (19) are substantially perpendicular with respect to each other and the guide blocks (21,22) may be rotated over 180.degree.. By rotating the guide blocks the pipe clamp can be switched from the pulling condition to pressing and vice versa.

Abstract: A calibrating unit for calibrating a pressure gauge includes a piston (7) which may be loaded by pressurized oil and which may be fastened at its upper end to the pressure gauge. A pressure piece (11) being movable within the piston (7) can be loaded at its upper side by a measuring member (3) of the pressure gauge and can transmit this load at its lower side to a spring system (15,16,17) resting on the housing (6) of the unit. The movement of the pressure piece (11) is determined by a measuring instrument such as a measuring watch (21). The deflection of the pointer of this watch is a calibrating measure for the pressure gauge.

Abstract: Apparatus for peeling steam-, lye- or otherwise pretreated tuberous fruits, provided with a plurality of slightly interspaced, parallel, rotation-drivable rollers which are circumferentially provided with peeling elements, such as brushes or embossments, and which are arranged transversely to the main transport direction of the tuberous fruits, said rollers together forming the lower wall of a transport channel disposed at an angle or horizontally.

Abstract: A peeling device for plants, such as potatoes, carrots, celery, red beets, Swedish turnips, apples and the like, comprising a substantially cylindrical peeling vessel with an inclined, at least partly hollow central shaft for the supply and discharge of a pressure medium, in particular steam, and having closable supply and discharge openings for the plant and the condensate. The vessel is rotatably mounted about the center line of the central shaft while the supply and discharge openings are disposed in the respective end walls.

Abstract: A probing device for investigating earth pressures including a drill tube having therein at least one linear displacement meter, including a feeler, inserted in an elastic measuring cylinder sensitive to earth pressure exerted on the drill tube, the feeler interacting with a stop element abutting the elastic measuring cylinder. The probing device includes a thrust cone for sensing soil pressure and a shiftable portion of the casing of the drill tube for sensing holding compression. An additional linear displacement meter and a continuously horizontal stop surface may be utilized for measuring inclination of the device.