Abstract: A food slicer 10 of the present invention contains a hollow body 12 having an inner wall 13 defining an interior 17 and an outer wall 15 for containment of a food product therein. A plurality of blades 32 extends across the interior 17 of the body thereby cutting a food product biased against the blades 32 into a plurality of portions.

Abstract: A coffee maker includes a valve mechanism having a micro switch, an electromagnetic valve, a magnetic covering board activated by the electromagnetic valve for opening or closing a powder path, and a spring interconnecting the covering board and the electromagnetic valve. A motor-driven grinding mechanism includes two ring-shaped outer grinding members having teeth facing each other, and a spring biased inner grinding member including a hollow feed rod with a lead screw formed thereon. A powder fineness adjusting mechanism includes an adjustment lever. In a powder fineness adjustment for producing coarse coffee powder, pivoting the lever toward one direction will pivot an abutment member and move the same outward to push one grinding member for increasing a space between the grinding members filled with coffee beans to be ground. Pivoting the lever toward the other direction will produce fine coffee powder.

Abstract: Embodiments of subcombination and the fruit extraction device of the present invention provide for fruit juice extraction where synchronized and concentric elements press a fruit, such as an orange, without crushing the peel, by this avoiding the dispersion of acids from the peel, favoring the retention of juice having lower acid levels. Embodiments of the subcombination and the fruit extraction device of which it is a portion shear the peel in multiple slivers, at the same time compressing the fruit. In an exemplary embodiment, a subcombination comprises a fixed and a mobile peeler, each having radially extending blades that form a space within which a fruit may be positioned for juice extraction, and a perforating filtering tube within the fixed peeler, and a piston adapted to pass through the lumen of the perforating filtering tube to cyclically clean it of the residues of a compressed fruit prior to extraction of the next fruit.

Abstract: A fruit juice extraction apparatus comprising: a chassis having mounted thereon a juice extractor which has a container for storing the fruit, the container having an aperture therein for allowing articles of fruit to be deposited between two concave hemispheres; drive motor for actuator for forcing the first concave hemispheres against the second concave hemispheres, thereby pressing an article of fruit deposited between said hemispheres; the first concave hemisphere having a central pin and the second concave hemisphere a perforating tube for the extraction of juice from said article of fruit, whereby the solid residue is deposited in a receptacle and the liquid is passed through a filter and then falls into a reservoir which has outlet ports therein, the perforating tube having multiple transverse slits of increasing diameter from inside to outside.

Abstract: Modular fruit juice extraction apparatuses and systems are provided that comprise, for example, a linear actuator (2) effective to drive, by back and forth motion, a moveable peeler cup (4) in communication with each of two ends of the extraction apparatus. In such embodiment, each moveable peeler cup (4), comprising concave and radially cut hemispheres, moves against a respective fixed peeler cup (3), and thereby compresses a fruit (19) contained therein to obtain its juice, which passes through a filtering device (7) disposed in each respective fixed peeler cup (3). A plunger (8) is variously driven through the filtering device (7) to remove the fruit core (13). Other embodiments include an embodiment in which a linear actuator (202) drives both external moveable peeler cups (203) and internal moveable peeler cups (204).

Abstract: A juice extractor includes first and second cups being relatively movable along a reciprocal path of travel to compress fruit therebetween during juice extraction. The extractor also includes a first cylindrical cutting blade within a first cup bore in spaced relation from adjacent portions of a first plurality of fingers of the first cup to define a peel clearance for ejecting portions of a fruit peel therethrough. The extractor also includes a second cylindrical cutting blade within a second cup bore, and being received within the first cylindrical cutting blade during juice extraction. The first cylindrical cutting blade preferably has an inner diameter in a range of about 0.990 to 1.010 inches, and a wall thickness in a range of about 0.068 to 0.088 inches. The second cylindrical cutting blade preferably has an outer diameter to be received within the inner diameter of the first cylindrical cutting blade to thereby produce a desired relatively high yield and juice quality.

Abstract: A juice extractor includes a strainer tube mounted to receive juice and pulp of fruit. An orifice tube has opposing first and second ends. The first end is inserted in and moveable within the strainer tube. A rigid sleeve is formed from a material that resists wear and is received within the first end. A drive mechanism engages the orifice tube and reciprocates the orifice tube within the strainer tube and applies pressure on the juice and pulp within the strainer tube for separating the juice and pulp.

Abstract: A device for extracting juice from one of various plants (e.g., grass, soybeans, or wheat) comprises a motor, a hollow container, a spindle in the container and is rotatably coupled to the motor, a strainer surrounded a portion of the spindle and fastened in the container, a cap secured to the other end of the container and including a drum tapered toward the other end, and an adjustment mechanism including a hollow, cylindrical member fixedly coupled to the cap, and a manipulation assembly. The manipulation assembly can either advance into a mouth of the spindle for decreasing a size of a residue outlet formed by the manipulation assembly and the drum or withdraw from the mouth for increasing the size of the residue outlet. Also, juice concentration is adjusted in the sliding movement of the manipulation assembly.

Abstract: An improved structure of a fruit and vegetable processor is disclosed. The bottom section of one side of the circumferential edge of the cup body of the processor has a protruded passage which is in communication with the interior of the cup body. The passage is mounted with a filtering tube with filter so that the juice from the crushing of fruit and vegetable will be centrifuged to the cavity at the circumferential wall of the cup body when the blade rotates and the juice is filtered.

Abstract: A juice extractor includes relatively moveable first and second cups for compressing a fruit therebetween during juice extraction. A first cutter is associated with the first cup and includes a first cutter base having at least one base opening therein. The first cutter may also include a first cutting blade that extends outwardly from the base to define an interior passageway in communication with the at least one base opening so that debris may be released therethrough. A second cutter associated with the second cup may have a second cutting blade that is sized to be received within the interior passageway of the first cutter. A flange may extend outwardly from the second cutting blade and mount the second cutter in a bore of the second cup so that the flange is at a level flush with or above adjacent portions of a ring base of the second cup.

Abstract: A simple hand operated device which comprises only two members, a top member (12) which is hinged (14) to a bottom member (16). The top member comprises downward projecting ribs (10) which are located on its underside. The bottom member comprises one or more concavities (18) which are located on the bottom member's upper surface and where an egg or more would sit in.

Abstract: A strainer press for a food processor, which has a pot-shaped straining part that can be placed in a manner proof against rotation in the mixing bowl of the food processor and is provided with through-apertures, and an assigned pressing tool that has, on a hub part that can be coupled to a driveshaft of the food processor, a plurality of pressing blades, which rotate at a short axial distance above the straining part. In the pressing tool, each of the pressing blades is provided, on its side facing the straining part, with a plurality of rib-like protuberances extending substantially over the entire length of the pressing blades and additionally includes, at its trailing end edge in the direction of rotation, a cutting edge projecting toward the straining part. Such a strainer press is notable for a simple structural configuration and efficient operation.

Abstract: A fruit and vegetable processor is disclosed. The bottom plate of the cup body is provided with a plurality of spaced apart through holes and the lower section of the through holes is formed into a hollow passage for the insertion of a plugging element into the passage. One end of the passage is protruded out of the lateral side of the cup body for the insertion of a blocking tube to the passage such that the through hole is sealed, preventing the downward dripping of juice from the cup body, or a delivery tube having a filter is inserted to the passage so that the juice from the cup body after filtering and is then discharged via the delivery tube such that a single cup is provided with two usages.

Abstract: An apparatus for cutting optimally sized fruit and vegetable pieces, such as potatoes, that is made of a dump chute, a trough, a conveyor having paddles forming paddle pockets, a drive means, at least one sensor, a programmable logic controller (PLC), and a cutter assembly. The dump chute receives materials and loads them singly onto a conveyor within a paddle pocket disposed along the conveyor. The drive means moves the conveyor, which then advances the material from the dump chute toward the cutter. As the material moves along the trough, the sensor determines the first and second ends of the potato and inputs this information to the PLC. This PLC has a human interactive component for selecting the criteria to be used in selecting the dimensions of the desired potato pieces to be obtained. The PLC receives the information from the sensors and determines the number and sizes of the pieces that the potato should be cut into to achieve the optimal results based upon the pre-selected criteria.

Abstract: A slicing device for slicing a number of articles in one slicing operation. The device includes a frame, a plurality of horizontally disposed cutting blades mounted in the frame, a pusher pushing the article into the cutting blades, and a support positioned between the cutting blades and the pusher. The support is able to support, at least temporarily, the articles prior to slicing. A collector is positioned underneath the cutting blades for collection of the sliced articles. The collector includes first and second collection units for collection of the end and intermediate slices respectively.

Abstract: An apparatus for wiredrawing vegetables or cutting them into three dimensional shapes, comprising a base frame, a first container supported by said base frame for collecting residues, a drum mounted for rotation about an axis on the surface of die cells, a vegetable feeding means supported on said base frame and arranged above said drum to adjustably feed vegetables into said cutting means, pressing means located downstream of said feeding means with respect to the direction of rotation of said drum, and designed to wiredrawing said vegetables into said die cells, clearing means arranged downstream of said pressing means and designed to force out into said pressing drum any wiredrawn vegetables held in said die cells, and a second container supported by said frame underneath said drum and arranged to receive wiredrawn vegetables present in said drum.

Abstract: A system for attaching a food processing adapter to a food processing unit includes an upper processing adapter attached to a pressure assembly of the unit, and a lower processing adapter attached to a holder at a base of the unit. The holder includes a first slot extending horizontally into a top portion of the holder, and a second slot opposite the first slot and extending vertically into the holder. A first tab extends horizontally from the lower processing adapter and is configured to be inserted into the first slot. A second tab extends vertically from the lower processing adapter so as to be inserted into the second slot. A locking mechanism is configured to releaseably lock the second tab in place to prevent movement of the lower processing adapter during operation of the food processing unit.

Abstract: A juice extractor includes an auger tube having an auger rotatably mounted within it. The auger has a spiral formation of decreasing pitch toward a grinding end. At the grinding end, a grinding surface bears against a grinding plate to extract more juice from fruit or vegetable sediment. Sediment is delivered through an outlet, whereas juice is deliver from a separate outlet to a cup having a special shape.

Abstract: A kitchen appliance (1) having a container (10) and having a first cover configuration (21) for closing the container (12) advantageously also includes a second cover configuration (25) which can be placed onto the first cover configuration (21), as a result of which a hollow space (29) is formed with the aid of the two cover configurations (21, 25), which hollow space serves to and is adapted to accommodate accessories (31, 32) of the kitchen appliance (1).

Abstract: A kitchen appliance (1) having a container (10) and having a first cover configuration (21) for closing the container (12) advantageously also includes a second cover configuration (25) which can be placed onto the first cover configuration (21), as a result of which a hollow space (29) is formed with the aid of the two cover configurations (21, 25), which hollow space serves to and is adapted to accommodate accessories (31, 32) of the kitchen appliance (1).

Abstract: The device according to the invention comprises:

Abstract: A rotary food processor comprises an upper lid, a rotary part, and a cutter part. As soon as the locking device in the cutter part is discharged and the turning knob assembly is rotated to make a selected flat surface or the cutters on any one of cutting surfaces on a tool carrier post pass through guide grooves and displace to an axial groove, a lock device is located in place and a treated food is placed between a press disk and a bottom plate in the cutter part to be moved on the bottom plate by the press disk while a handle knob is turned. When the treated food passes through said cutters, the treated food is cut a thrust with a depth and a width and then cut off by the cutters such that finished products with a desired width can fall down through an output slot on the bottom plate.

Abstract: A cutting device for food processors wherein the processor is a cutting machine for cutting or chopping raw foodstuffs. The machine includes a container. A cutting device that includes a central sleeve-like part is non-rotatably fitted to a driven shaft and carries a cutting tool at its lower end, the cutting tool including knives that extend radially outwards from the sleeve. The cutting device includes a first pair of knives with respective knives extending radially from opposite sides of the central part close to the bottom of the central part. At least one second knife projects radially outwards from the central part higher up from the bottom of the central part than the first pair of knives. The second knife has a shorter bade than the knives of the first pair.

Abstract: A turning device for food processors that include a rotatable cutter to cut foodstuffs to be processed. A stationary container is fitted with a lid, and a tubular member extends upwardly from the container bottom through which a driven shaft extends. The cutter is mounted on the shaft and includes a sleeve-like central part and radially-outwardly-extending cutting knives. The turning device includes at least a pair of strips that extend axially from a tubular holder that is adapted to fit over the central part of the cutter. In use, the turning device is disposed over the central part of the cutter with the holder positioned above the strips. The turning device extends longitudinally relative to the cutter to cover essentially the whole of the central part of the cutter above the position of the cutting knives, and it is stationary relative to the container during operation of the food processor.

Abstract: A press for food products adapted to be reduced to a puree, comprising a working bowl (12) closed by a removable cover (21) and enclosing a rotatable press tool (23) comprising a central vertical shaft (27) which carries at least one pressing blade (30) whose external edge extends toward the lateral wall of the bowl (12), and which is coupled in rotation to a drive shaft (19) of a motor group by means of a coupling device (38). The blade (30) is maintained in contact against a sieve (40) fixed under the action of a return spring (44) associated with the blade-carrying shaft (27) so as to effect, upon turning, the pressing and the passage of the food products through the sieve, and the assembly formed by the blade (30) and the shaft (27) which carries the blade (30) being moreover adapted, in the case in which the blade (30) encounters a hard body, to rise against the force of the return spring (44).

Abstract: A fruit juice extraction apparatus for processing citrus fruit in general, without manual contact, comprising a tubular chassis having mounted thereon an extraction box affixed to a gearmotor for actuating an crank and rod assembly which dislocates one concave hemisphere against another concave hemisphere, thereby pressing fruit released by a trigger positioned on an opening in a tray in which one of the concave hemispheres has a central pin and on the other a perforating tube for the extraction of the juice, the solid residues of the fruit being released into a receptacle and the liquid passing through a filter, then falling into a reservoir which has outlet ports therein.

Abstract: A hand-operated device for separating moist, fatty ground meat while said meat is being cooked on a heated cooking surface. Said device includes an elongated handle having a distal blade attachment end and a proximal free end. Four non-metallic separating blades are provided with each having substantially parallel front and rear surfaces bounded by an inner side edge, an outer side edge, a top edge and a bottom edge. Said bottom edge is in said form of an angled surface. Said four blades are integrated at their inner side edges oriented at about right angles to each other to form an X or cross pattern. Each blade has a critical minimum thickness of at least 5/16 inch thick between said blade front and rear surfaces to ensure separation of said moist, fatty ground meat as said blade passes entirely through said meat, and to prevent reagglomeration of said separated moist, fatty ground meat as said blade is removed therefrom.

Abstract: A fruit juice extraction apparatus for processing citrus fruit in general, without manual contact, comprising a tubular chassis having mounted thereon an extraction box affixed to a gearmotor for actuating a sliding assembly which dislocates one concave hemisphere against another concave hemisphere, thereby pressing fruit released by a trigger positioned on an opening in a tray in which one of the concave hemispheres has a fruit peeler and on the other a perforating tube for the extraction of the juice, the solid residues of the fruit being released into a receptacle and the liquid passing through a filter, then falling into a reservoir which has outlet ports therein.

Abstract: A fruit juice extraction apparatus for processing citrus fruit in general, without manual contact, comprising a tubular chassis having mounted thereon an extraction box affixed to a gearmotor for actuating an crank and rod assembly which dislocates one concave hemisphere against another concave hemisphere, thereby pressing fruit released by a trigger positioned on an opening in a tray in which one of the concave hemispheres has a central pin and on the other a perforating tube for the extraction of the juice, the solid residues of the fruit being released into a receptacle and the liquid passing through a filter, then falling into a reservoir which has outlet ports therein, each of the concave hemispheres having its concave surface defined by a plurality of spaced-apart radial blades of at least two different lengths and depending from a base mounted to the chassis.

Abstract: A strainer assembly including a base formed at a central portion thereof with a rectangular projection having a cylindrical upper portion with external threads, the base having a plurality of holes, a cylindrical filter arranged on the base and having an open top, the cylindrical filter having an inner bottom formed with a plurality of protuberances around a periphery thereof and an outer bottom formed with a plurality of downwardly depending projections adapted to fit into the holes of the base, a circular cutter having a rectangular opening at a central portion thereof adapted to engage with the rectangular projection of the base and a plurality of recesses adapted to engage with the protuberances of the cylindrical filter, and a cap threadedly engaged with the external threads of the base.

Abstract: A fruit juice extraction apparatus for processing citrus fruit in general, without manual contact, comprising a tubular chassis having mounted thereon an extraction box affixed to a gearmotor for actuating an crank and rod assembly which dislocates one concave hemisphere against another concave hemisphere, thereby pressing fruit released by a trigger positioned on an opening in a tray in which one of the concave hemispheres has a central pin and on the other a perforating tube for the extraction of the juice, the solid residues of the fruit being released into a receptacle and the liquid passing through a filter, then falling into a reservoir which has outlet ports therein.

Abstract: The automatic citrus fruit juicer has a fixed frame with an upper platform and a lower platform. A first drum with a vertical axis is rotatably mounted and actuated between the platforms and is crossed by holes for the passage of fruit juice. A second drum with a vertical axis is rotatable eccentrically outside the first drum and is provided with lateral pressing means for pressing its inner surface toward the outer surface of the first drum at a citrus fruit squashing region. A unit for cutting fruits into two halves is mounted above the drums at an opening of the upper platform provided to allow the fruit halves to drop between the drums so that the cut surfaces of the citrus fruits rest against the surface of the first drum. The lower platform is provided with a hole for the exit of the fruit juice and with a chute for removing the peels of the squashed fruit halves.

Abstract: A process to separate insoluble solid portions from soluble liquid materials of fruits with increased performance and yield using a press (7) wherein water, is first supplied to a mill for crushing the fruit. The soluble materials are then separated from the solid portions as juice in the press (7). The relationship between water feed and fruit feed can be controlled by a of microprocessor (22). An apparatus for carrying out this process is also disclosed.

Abstract: A juice press for extracting the juice from a non-citrus fruit or vegetable uses a pair of cups into which a press plunger is cycled to the fruit to be processed to be compressed and extruded through an orifice tube wherein a significant volume of juice will be pressed.

Abstract: A hand-driven food slicer which includes a gear box with a shaft extending from it and within the gear box there is a driven gear and a driving gear, the driven gear being adapted to rotate a slicing mechanism in a housing atop the device which has a charging opening and an exit opening and slicer includes a driving gear in the gear box in driving engagement with the driven gear on a shaft with a handle which extends exteriorly of the gear box.

Abstract: A vegetable cutter which includes a base with a through hole and a knife unit spanning the through hole which confronts a downwardly facing ram moveable between a food charging position and a food slicing position by manipulating a lever-type handle pivotally to apply pressure to the ram head and with guide means included to constrain the ram head to vertical movement of translation only.

Abstract: A pressing apparatus for citrus fruit including upright blades extending radially outwardly from a vertical axis to define V-shaped segments therebetween, the upper edges of the blades being sloped downwardly toward the axis to centrally support a piece of fruit. A press is vertically reciprocated between an upper feed position allowing fruit to be located on the blades and a lower pressing position a selected spacing above the peel ejectors. Peel ejectors within each of the V-shaped segments are pivotally supported for movement between (1) a horizontal ready position when the press is moved to the pressing position and (2) an ejecting position sloped downwardly away from the axis when the press is moved toward the feed position. A feed assembly cyclically feeds fruit to the blades through a chute, and includes a cylindrical enclosure open on one side to the chute and a feed drum supported for rotation about a horizontal axis within the enclosure.

Abstract: In juice extractor apparatus there is usually provided an orifice tube inside a strainer tube. The orifice tube would have a central aperture through its length for the transport of fruit pulp. The orifice tube of conventional structure is replaced by a fluted column that allows transport of the fruit pulp on the outside of the fluted column and inside the strainer tube.

Abstract: A centrifuge comprising a basin (9) adapted to receive centrifuged juice and in which is disposed a basket (1) comprising a perforated screen (2) and a lower ring (3) which is adapted to couple in rotation with a drive (4) secured to a motor shaft (5) and which comprises a skirt (8) extending downwardly and outwardly. The basin (9) has in its lower portion a gutter (11) limited toward the drive (4) by a small circular collar (12) extending upwardly between the drive (4) and the skirt (8). The skirt (8) of the basket (1) has on its lower wall (15) vanes (16) adapted to create, during rotation of the basket (1), an air current directed downwardly and toward the periphery (14) of the basin (9), so as to retain the juice in the gutter (11).

Abstract: A juice extractor comprises a split containment that houses a distendable elastomer for embracing the outer surface of a fruit. An extracting mechanism, including a perforated sleeve, is inserted through the skin of the fruit and an inner inflatable bladder is expanded within the body of the fruit to express liquid therefrom.

Abstract: Citrus juice extraction equipment is provided with an annular cutter head provided with a plurality of apertures or window means which allow peel oil that is pressed out of plug of citrus fuit rind cut by annular cutter head to pass therethrough and join the rind of citrus fruit which passes adjacent the windows in the annular cutter head when the citrus fruit is being processed to extract citrus juice.

Abstract: A citrus fruit segmenter which uses a slicing lever mounted with a blade which is attached to the sidewalls of a frame by another pair of levers. The slicing lever with the blade nudges a resiliently biased crank lever which intermittently rotates a ratchet wheel upon which a cup is mounted to carry a half of grapefruit or large orange. The crank lever has a tooth element designed to engage the toothed ratchet wheel and to retract when working against a locking pawl. The tooth element is also resiliently biased. The resilient biasing of the crank lever and the toothed element are accomplished by corrosion-resistant "O" rings. All of the elements of the device are made of corrosion-resistant material. The blade is made of stainless steel, the frame and levers are made of synthetic resinous material.

Abstract: A juicing apparatus includes a conveyor for delivering citrus fruit to the top of a truncated cone. The top of the cone defines a circular knife with a tube extending concentrically from the circular knife and through the convex cone. The fruit is centered on the convex cone by deflectable centering supports. A plurality of radially aligned knives are directed toward the upper portion of the convex cone. A concave cone is movably disposed over the fruit and over the convex cone. Downward movement of the concave cone causes a central cylindrical plug to be cut from each fruit and gently juiced in the tube extending from the circular knife. Further downward movement of the concave cone urges the fruit into the radially aligned knives and cuts the fruit into sections that can be squeezed and wiped against the outer surface of the convex cone.

Abstract: A juice extractor uses two commonly driven crank arm drive systems to provide a low profile juice extractor.

Abstract: A fruit juice squeezer is disclosed for obtaining fruit juice from fruit by pressing and cutting, which includes: a squeezer body having a reservoir means for storing said fruit juice, a handle rotatable with respect to said body, and mincer means comprising a perforated plate fixed to said body and a cutter disposed adjacent to said perforated plate and fixed to said handle and filter means comprising a mesh member fixed to a perforated plate, and a sliding member rotatably engaged with said mesh member and fixedly fitted into said handle, and are operable by turning of said handle.

Abstract: Disclosed is a citrus fruit extractor of the type wherein a whole fruit is positioned in one of opposed interfitting cup halves which are provided with means for cutting the skin or rind at diametrically opposed areas. Concurrent movement of one or both cups toward each other compresses the fruit and produces the diametrically opposed cuts. Cutting and compressing ruptures the juice sacks and the juice flows through one of the cut areas of the skin, through a screen and to a collecting trough. In its path to the trough, the juice makes little or no contact with the freshly cut surfaces of the skin.

Abstract: A produce wedger is provided for sectioning produce, such as tomatoes. The produce is restrained in such a manner that as the slicing device moves through it (thereby slicing it into a plurality of sections), the produce is left substantially in its original shape. The device is configured to minimize destruction of the composition of the produce.A method of sectioning by slicing with minimal disruption of the produce, is disclosed.

Abstract: A mill roll for a juice extracting system having a plurality of circumferential grooves and a plurality of spiral flow passages extending from end to end below the surface of the roll. A plurality of holes around each circumferential groove open into the flow passages so that juice squeezed between the rolls flows through the holes and out the spiral passages. With the passages disposed spirally, the rolls may be used as the bottom roll in a three roll mill because juice squeezed between the top roll and a bottom roll and flowing into a channel will exit below the restraining flange normally provided on the top roll.

Abstract: A cutter to halve citrus fruit in an automatic citrus fruit juicing machine is described. The advance is the sloping of cutting knife (2) and its supporting cam pedestal (3) at an angle of 45.degree. to 80.degree. to the horizontal. Fruit is fed to the knife (2) via a sloped chute (1) and the cut fruit, after passing over the cam pedestal (3), where the fruit gradually and fully opens, is placed on a mechanism for expressing the juice. Other portions of the automatic juicer are, generally, as described in the prior art.

Abstract: Peel oil is extracted from whole citrus fruit by means of a plurality of parallel horizontal toothed rolls. The toothed rolls define bights between them for reception and support of whole citrus fruit. Each roll comprises a shaft carrying a series of thin parallel rings each ring having a continuous series of pointed teeth on its periphery. A motor rotates the rolls in the same direction at different speeds. Water spray nozzles are spaced above the rolls to deliver relatively coarse sprays against the outer surface of each whole citrus fruit to carry away peel oil produced by the pointed teeth of the rings.