Abstract: A multipurpose device for marking a workpiece which has in combination a component for setting the reveal between an edge such as trim molding and the edge of a frame, a component for setting an angle from 0.degree. to 90.degree., a component for setting a space between two solid members such as deck boards or pickets in a picket fence, and a component for determining the center of a flat surface such as determining the center of the surface of a board between 2 parallel edges. Preferably the device is a three layer laminated square with the middle layer being larger in the overall dimensions i.e., length and width, which in a square, are the same dimension, are greater than corresponding dimensions of the two outer layers such that the middle layer extends beyond the edges of the outer layers.

Abstract: A thin, flat gauge for determining the size of the bore of a shotgun, the gauge having a width, the dimension of which is stepped, the width of the steps decreasing from the top of the gauge to the bottom. Alternatively, the gauge may be tapered from wider at the top of the gauge to narrower near the bottom. Lettering and numbering indicating bore diameter are silk screened, etched or otherwise inscribed on the gauge.

Abstract: The printing plate drying apparatus includes carrying devices such as flower pattern comb rollers which carry a printing plate having a printing surface including an image-formed portion and a non-image-formed portion, the printing surface being applied with a coating solution; first warm air duct which blows warm air to dry the printing surface of the printing plate on which the coating solution is applied; first solution-absorbing roller which touches the printing surface of the printing plate dried by the first warm air duct to absorb the solution therefrom; and second warm air duct which blows warm air to dry the printing surface of the printing plate which the solution is absorbed by the first solution-absorbing roller.

Abstract: A switching and purging mechanism is disclosed for controlling flow of gas within a twin tower gas drying system. The drying system filters unpurified gas to supply purified gas to a pneumatic system with a purge percentage for purging moisture previously retained. The mechanism includes a valve body, first and second pistons, and a control means. The body defines first and second bores, first and second supply passages, first and second output ports, and first and second purge ports. Through the control means, the first piston occupies a supply position while the second piston occupies a purge position and vice versa. When the first piston occupies the supply position, unpurified gas flows from the first passage through the first bore through the first output port and communication between the first output port and the first purge port ceases.

Abstract: A dual roll dispenser is disclosed. The device comprises a housing unit having a first paper towel roll and a second paper towel roll mounted therein. Paper automatically dispenses paper from one of the rolls while the second roll remains idle. When a sensor detect that the roll being dispensed is exhausted, the device automatically engages the second paper towel roll and begins dispensing from this second roll. Displays, both local and remote, are activated to communicate a paper absent condition. The device can be used in standalone configuration or in conjunction with an air blower wherein activation of the device activates the air blower for a preset amount of time and thereafter dispenses a single paper towel sheet.

Abstract: The present invention provides devices and methods for drying the inside surfaces of gloves. The glove drying devices include a perforated hollow drying form in the shape of a hand. A tube is mounted to the inside of the drying form in order to improve the air flow into the interior of the form. A heating means is provided for mounting inside the tube in order to heat the air which flows into the drying form and to enhance the air flow.

Abstract: Disclosed is a drying hopper comprising, disposed in its lower position, a cone portion having diameters gradually decreasing toward a lower end thereof, in which a high temperature gas is injected toward powder descending in the cone portion to thereby dry the powder, wherein said drying hopper comprises a cone portion 11 having a slant, circular wall, said cone portion 11 having a plurality of vertically spaced rows of nozzles 20, formed through the circular wall, disposed at predetermined intervals in a circumferential direction of the circular wall; a plurality of vertically spaced ring-like shells 21 fluidtightly attached to an external surface of the circular wall of the cone portion 11 with interstices therebetween in positions such that said plurality of rows of nozzles 20 are respectively, at gas inlets thereof, covered by said plurality of ring-like shells 21; and a plurality of gas feed pipes 22 respectively connected to said plurality of ring-like shells 21 in communicating relationship.

Abstract: The invention relates to wire seals for use in a drying space of a Condebelt.RTM. drying apparatus described in Finnish Patent 54 514. In the apparatus, a material web to be dried passes in a substantially airless space between two metal bands (1, 7), or other similar bands or membranes of good thermal conductivity, together with drying wires. One of the metal bands is arranged to heat and the other is arranged to cool; the heating band (1) evaporates moisture contained in the web (2) to be dried, the moisture condensing on the surface of the cooling band (7), separated from the web to be dried by drying wires (3, 4). The drying space between the bands (1) and (7) of the Condebelt.RTM.

Abstract: Apparatus for drawing a sample of grain from a stream of grain flowing along a path is described in which a tube extends into the grain flow path for diverting a portion of the flowing grain along the path to a sample collection station. The diverter diverts only a portion of the grain flowing along the path and the balance of the grain flowing along said sampling path is permitted to flow. A collector is provided for collecting at least a portion of the grain flowing to the sample collection station so as to accumulate grain for a sample that is representative of all of the grain flowing along the path for the time that the grain is being collected for the sample.

Abstract: The invention is directed to a shoe upper formed from a blank of material. The upper has a toe portion, a pair of side portions, a heel portion, and a bottom portion. The bottom portion of the upper is formed from the blank by folding the blank about a fold area in the heel portion such that the bottom portion can be connected to the bottom of the toe portion, the bottoms of the pair of side portions, and the bottom of the heel portion. The blank has a first section which includes the toe portion, side portions and heel portion. The blank also has opposite ends. The opposite ends of the blank are connected to one another to form the toe portion, side portions and heel portion of the upper. The shoe upper may also be formed from a blank having a second section which includes the bottom portion of the upper, and further may include one or more wing portions which overlie generally the side portions of the upper.

Abstract: A sports shoe has an improved heel-holding capability to stabilize the heel of the foot. In a sports shoe comprising an upper member of any suitable materials and a sole of any suitable materials, a bouncing putty-containing pad is positioned on the inner surface of a reinforcing element of harder material. The reinforcing element is a cup-like stabilizer or a heel counter. The pad may comprise a foam impregnated with the bouncing putty.

Abstract: Illuminated footwear having a power source, at least one light source operatively connected to the power source, a switching circuit for selectively illuminating the light source, and a linear side-glow optical conduit positioned exteriorly on the footwear so as to be visible when illuminated, the linear optical conduit having opposed end portions and being capable of emitting light conducted therethrough radially outwardly from its circumferential periphery substantially along its entire length, at least one end portion of the linear optical conduit being positioned and located in close proximity to the light source so as to receive light therefrom when illuminated, the linear optical conduit being illuminated substantially along its entire length when the light source is selectively illuminated. In the preferred embodiment, the linear optical conduit extends substantially around the outer exterior front and side portions of the footwear, although other arrangements are also disclosed herein.

Abstract: A scheduling board having a multiplicity of horizontal designations and a series of vertical designations allows the placement of markers at the intersections of the designations to indicate a job or functions which is scheduled, for example, at a particular time. The board allows three or more designation variables, such as day, time and function, to be coordinated by means of the board. The board is highly visible and accessible for operators and users.

Abstract: An ornamental scroll device comprises a flexible sheet including two opposed outer end portions two opposed outer edges, and an indicia bearing section having a message located on an obverse side of the flexible sheet and between the end portions and outer edges. A stiffening member maintains the indicia bearing section rigid between the outer end portions. Each of the outer end portions includes a roll section having two end caps secured at opposite ends of each roll section. A hanging or folding member is used for displaying the indicia bearing section.

Abstract: A firearm breech block actuator for operating the latch of a spring-pressed, latch-controlled firearm breech block having a push button latch control positioned for pressing by the fingers of the marksman preliminary to firing the firearm. The actuator comprises an arm overlying the push button in bearing engagement therewith and having an outer surface sufficiently large to accommodate a plurality of the marksman's fingers. The arm is mounted on the firearm for reciprocating movement toward and away from the push button. This operates the breech block latch. The actuator preferably is constructed of an integral piece of resilient plastic or metal attached by screws to the receiver of the firearm.

Abstract: A collapsible fish net includes a pair of support arms (14, 16), a handle (12) and a flexible mesh material (28) disposed between the support arms. When not in use, the net is placed in a scabbard (40) with the support arms in a closely spaced, parallel relationship. When the net is removed from the scabbard, a spring 18 moves the arm (16) with respect to the arm (14) thereby opening the mesh material. A fish is guided into the mesh material so its weight causes the mesh material to collapse along the length of the fish, thereby securing the fish until it can be released.

Abstract: A fishing lure comprises a wire shaft (20) angularly bent to form a first arm (24) and a second arm (26), with an arched open loop (30) at the apex of the bend. The first arm has a hollow tube (28) surrounding the wire shaft to increase the stiffness of the arm while permitting the second arm to move freely. The first arm is attached to a fishing hook (42) while a weighted head (44) with a filament skirt (56) covers the junction. The second arm contains a contiguous loop (32) at the distal end through which a spinner (58) is rotatably attached. A second or third spinner is attached to the arm with a yoke (64) when desired. A second embodiment of the contiguous loop utilizes a quick release closure (34) having a sleeve (36) that slideably engages both the wire shaft of the second arm and the contiguous loop distal end simultaneously.

Abstract: A fishing tackle box has a plurality of compartments for storing lures. In each compartment a flexible rod, which preferably has a diameter small enough to pass through an eyelet at the front of a lure, extends into the compartment from its back wall. A kinked portion of the rod is biased against the top surface of the compartment near the door, which is opposite the back wall. When the rod is bent away from the top wall and threaded through an eyelet at one end of a fishing lure, the lure is retained between the kink and back wall. The lure is easily removed from the compartment by opening the door and pulling the lure outward.

Abstract: An apparatus for applying a stem pick to a flower stem wherein the stem pick has laterally directed fingers for wrapping around the stem of a flower. The apparatus includes means for positioning a stem pick into a position ready for attachment to the flower stem, means for attaching the stem pick to the stem of a flower, and pressure adjusting means for adjusting the pressure of the stem pick fingers. The pressure adjusting means comprises a clutch mechanism having means for adjusting the torque applied to the means for attaching the stem pick to the stem of a flower.

Abstract: A greenhouse is disclosed having a raised central section of transparent or translucent flexible light-stabilized plastic material, and peripheral or vent sections substantially of open-weave scrim material formed from loosely woven thin and narrow strips of transparent or translucent light-stabilized plastic material having a lace-like reinforcement of light-stabilized plastic; with greater than 50% of the surface area of the scrim being deformable to a more open condition thereby permitting increased passage of air and moisture. Preferably, at least the central section is retractable.

Abstract: A shelter for protecting young plants comprising a shell made from a resilient resin material, formed of two substantially identical mating sections integrally formed with connecting snaps and selectively closable openings for providing air and irrigation to the plants.

Abstract: A flat, flexible protective covering (10) having a center cavity (12), and a slot (14), that runs from the center cavity (12) to the outside diameter (16) of material, with a plurality of holes (18) connected by grooves (20).

Abstract: A single watering stake with a tree dual support; providing a sustainable level of saturation for root growth through one staking point and an upper geometric design allowing a tree to obtain optimum dual support.The watering stake, made of polyvinylchloride driven into the ground, with the use of a pounding cap to prevent blossoming of the stake, penetration of the ground provided through a molded pointed iron piercing end with two anchor fins. Six egress holes will be connected to inner hollow shaft leading to hose or drip coupling.Furthermore the ground stake is connected to above-ground stake segments by means of straight open ended junctions. The double staking capabilities are achieved through the use of a one-hundred-eighty degree tubular lateral arc connected to the main support by means of a ninety degree open ended junction. The tubular arc will be inserted into said junction directly above the approximate `whip point` of the tree.

Abstract: A nucleic acid fragment encoding a herbicide-resistant plant acetolactate synthase protein is disclosed. This nucleic acid fragment contains at least one nucleotide mutation resulting in one amino acid change in one of seven substantially conserved regions of acetolactate synthase amino acid homology. This mutation results in the production of an acetolactate synthase protein which is resistant to sulfonylurea herbicide compounds compared to the wild-type protein. Transformation of herbicide sensitive plants or plant cells with the fragment results in resistance to the herbicide.

Abstract: A floral container having a water-impermeable external layer for a floral grouping comprising a holding material and having a water-impermeable external surface layer. The holding material is constructed of a material capable of receiving a portion of a floral grouping, botanical item or propagule and supporting the botanical item, floral grouping or propagule. A sheet of material may be extended about a portion of the holding material and a crimped portion or bonded portion is formed in the sheet of material with the crimped portion or the bonded portion cooperating to hold the sheet of material about the holding material to provide a decorative cover. A bond or other tying device may also be used to bond the sheet of material to the flower pot.

Abstract: A programmable automatic window including a hollow frame with an aperture disposed therethrough; a window slidably secured within the aperture of the frame; a ball screw mechanism disposed within the frame and coupled to the window; a motor coupled to the ball screw mechanism and energizable with a positive polarity to cause rotation of the ball screw mechanism for allowing the window to be raised and energizable with a negative polarity to cause opposite rotation of the ball screw mechanism for allowing the window to be lowered; and motor logic switch circuitry for controlling the motor.

Abstract: A door apparatus for a rest room includes a wall member defining a predetermined space and an opening for an entrance and an exit thereof; a door body for opening or shutting the opening, having a substantially half-cylindrical shape, being rotatable about a center of curvature of the half-cylindrical shape; and a driving device for driving and rotating the door body about the center of curvature. In a preferred embodiment, the driving device has a pulley with a peripheral shape of involute, a wire wound about the pulley, and a weight connected to an end of the wire. The weight is inserted into a tube receiving oil.

Abstract: An apparatus including a turnstile for controlling the passage of person including a locking assembly with a bearing dish for rotating about an axis of rotation which is oriented approximately 45.degree. from a horizontal line. A releasable locking device selectively allows and restrains rotational movement of the locking assembly in both directions. At least two locking arms are pivotally mounted to the bearing dish about pivot axis extending transverse to a longitudinal axis of the respective locking arm. Each locking arm is pivotable between a substantially-horizontally locked position and a released position permitting unobstructed passage to the turnstile. A locking bar is provided for each locking arm which arrests the respective locking arm in the locked position. An electromagnet maintains a release device in a pre-cocked position. Upon loss of power, the electromagnet actuates the locking bolt to pivot the locking arm into the release position.

Abstract: A pocket door track assembly having a track with an adjustment to angle up or down the portion of the track over the doorway indepedently of a fixed portion of the track in the door pocket. The track has a flexible center portion enabling adjustment of the hanging position of the door when closed independent of the hanging position of the door when open. An adjustment screw is used to raise or lower one end of the track.

Abstract: A utility line support structure for use as a tangent crossarm or deadend including a hollow fiber reinforced beam with a bushing inserted into a transverse hole in the beam. Bushing includes a hollow inner member for receiving a bolt and a pair of integral washers arranged on opposite ends of inner member and against an outer surface of the beam. The hollow inner member and the integral washers cooperate to support axial loads applied by the bolt. End caps extend over opposite ends of the beam to seal the beam so as to prevent moisture from entering the beam. Also, a method for adapting a non-standard-sized utility line support beam to be compatible with standard-sized tooling.

Abstract: A flexible end cap includes at least one flexible membrane, such as a rubber sheet, for covering the end of the roof rib, having a top peripheral portion and a bottom peripheral portion. At least one frame member is attached to at least a portion of the top peripheral portion of the flexible membrane for supporting the membrane in a sealing relationship with the roof rib. At least a portion of the bottom peripheral portion, such as the portion for covering a ridge profile, includes at least two sealing ribs wherein a cross-sectional height of one rib is larger than a cross-sectional height of the other rib. The sealing ribs with the larger cross-sectional height allow the end cap to accommodate varying designs of roof rib profiles formed by adjacent sheets of roof panels.

Abstract: A foldable and expandable pitch pocket for encompassing an element such as a vent pipe protruding from a roof structure. The pitch pocket is initially an elongated piecepart which is arranged with slits on a horizontal wall and notches on the vertical wall aligned with the slits, thereby making it feasible to use light hand pressure to bend creases in the vertical wall to obtain the folded pitch pocket. A slot and tab cooperatively arranged interlock the vertical wall to fixedly hold the folded shape of the pitch pocket.

Abstract: A device lot terminating a roof surface at a vertical edge In a waterproof and airtight manner may serve as a flashing strip at a parapet wall, a wall cap, a roof edge, an expansion joint or in other roofing applications. The device comprises a relatively rigid member, typically of sheet metal or the like, and a flexible member, typically of modified coal tar bitumen, EPDM, or other suitable roofing material. The device has a channel formed in the rigid member along a longitudinal edge that receives the flexible member in an airtight and watertight manner. In this configuration, the flexible member provides a covering for the fastening surface on the rigid member, which is fastened by conventional means to the roofing surface and the underlying support structure. The preferred channel is formed from a pair of longitudinal bends made in opposite directions such that a "Z" shape cross section is formed.

Abstract: Earthquake-proof building, characterized in that it is composed of a circular horizontal base structure (1) obtained by joined-together elements juxtaposed along radii, a vertical storey structure (2) comprising pillars (9, 10) arranged bearing on this horizontal base structure, a circular roof structure (3) arranged bearing on the pillars, tensioned cables (6, 19) being arranged on the one hand in a horizontal plane in order to encircle the circular base structure, on the other hand in vertical planes pointing radially in order to surround the building from the periphery of the base structure, passing through the roof structure.

Abstract: A vented closure for installation in a roofing system between the upper end of a roofing panel and a ridge cap. The vented closure is die-pressed into a cap flange for attachment to the ridge cap; a downwardly disposed closure wall connected to the cap flange; a bottom wall connected to the closure wall; an upwardly disposed inner sidewall connected to the bottom wall; and a vent opening located in the closure wall. Either a screen or a multiplicity of louvers covers the vent opening. The present invention closes the spaces in the ends of the roofing panel and conforms to the profile of the panel in such a way as to prevent entry of water, debris and vermin but permit the passage of air.

Abstract: A reinforced molded plastic column wherein a plastic sleeve having the appearance of a column of natural material is molded about a central load bearing member, preferably a steel pipe, having extending ends engaging and being fastened to anchoring members fixed to a foundation and a roof, respectively. Column base and capital members are slideably carried on the plastic sleeve and when the load bearing member has been secured to the anchor members, the base and capital members are slid over the sleeve until they engage the foundation and roof, to which the base and capital members may be bonded, to disguise the extending ends of the load bearing members.

Abstract: An assembly of parts which form a stud for construction use. This stud assembly greatly reduces the material content of the stud assembly and reduces heat transfer and noise transmission over the known prior art and comprises two parallely arranged U-shaped channels interconnected by a novel mesh connector which interconnects the channels at one or more points along their length and is expandable only in a direction transverse to the longitudinal axes of the channels.

Abstract: A deck assembly is provided for retrofitting bleachers having a plurality of rows of seats and a foot board supported by a plurality of floor support members located between adjacent rows of seats. The deck assembly includes an elongate walkway panel adapted to be supported by the floor support members between adjacent rows of seats. The walkway panel includes a first elongate edge and a spaced apart second elongate edge. A toe riser including an upstanding flange extends along and upwardly from the first elongate edge of the walkway panel. The flange of the toe riser is adapted to extend from the first elongate edge of the walkway panel toward a forward row of seats. A heel riser having an upstanding flange extends along and upwardly from the second edge of the walkway panel. The flange of the heel riser is adapted to extend from the second elongate edge of the walkway panel toward an adjacent rear row of seats.

Abstract: Ultrasonic sealing apparatus, including at least one anvil and at least one transducer opposed to the anvil to transmit ultrasonic energy to a workpiece clamped between them, is disclosed. The anvil and sealing horn each are reciprocated between an open position allowing a carton to pass and a closed position for sealing a closure. A biasing element is connected between the anvil or the horn and its drive to define the sealing pressure developed between the anvil and the horn. The biasing force can be adjusted without stopping the machine, by using an externally applied pneumatic force. The anvil has a backing element, a facing member, a body, and a resilient pad separating the body from the facing member. The backing element has a curved front surface facing the transducer. The back surface of the anvil pad is curved similarly to and bears against the curved front surface of the backing element.

Abstract: An inline packaging machine for folding the flaps of a paper board tray blank around a group of articles loaded on the bottom panel of the tray has provision for emergency shut-down whereby any glue applied to the side flaps of the tray will not set before the tray is completely formed. Moveable side flap folding means is provided at the glue station itself for this purpose. The said emergency flap folding means also serves to support the tray end flaps during gluing. The compression section of the machine that normally applies pressure to the glued flaps includes an inlet portion that is re-configured during emergency shut-down for the same purpose, that is to assure that the flaps are completely folded as the glue sets. The glue station and compression section are mounted on beams that are movable toward and away from one another to accommodate trays of various width.

Abstract: Joints between vertical shafts such as concrete manhole elements are sealed by an elastomeric ring and a rigid locating ring. The locating ring keys into the elastomeric ring and holds it in place during and (optionally) after assembly. The principle is applied to various types of joint and the locating ring may be extended to form a liner for the shaft.

Abstract: The present invention is a modular system for packaging articles for shipment. In particular, a potted plant is sorted according to a grade, placed in a decorative cover, then automatically deposited into a protective sleeve. The potted plant thus packaged is ready for containment within a shipping carton. Various components of the system may be adapted for various packaging needs and circumstances.

Abstract: A carton end closure score line breaker mechanism for pre-breaking the top closure score lines before the filling and closing and sealing steps does not include a center post, or any components which extend into the inside of a carton end closure, eliminating any chance for contamination inside the end panels. The center-free breaker mechanism includes a pair of blades each having an arcuate center section for caving in the adjacent end panel and, thereby, bulging the side end panels and pulling in the oppositely disposed panel, and a blade fork and another pair of blades, wherein the blade fork includes two longitudinal, parallel blades which slide across the side body panels, and each blade of the other pair is a flat-faced bar for engaging the adjacent end panel and causing the side end panels to project outwardly completing the pre-breaking of all end closure score lines.

Abstract: A device for packing filled bags in outers comprises means (1, 3) for placing the bags in a row in such a way that they overlap each other, a suction box (8) with suction cups (13, 14) for retaining filled bags, which suction box can be moved between a pick-up position above the means for forming a row and a delivery positon above an outer or device for feeding in an outer, and means (4, 6) for pushing a formed row of bags up against the suction cups of the suction box. The suction box (8) has one or more rows of suction cups (13) having mouths placed relatively high up and one or more rows of suction cups having mouths placed relatively low down. In a tint pick-up position of the suction box, the suction cups having mouths placed high up are positioned directly above the means for forming a row of bags, and in a second pick-up position of the suction box, the suction cups having mouths placed relatively low down are situated directly above the means for forming a row of bags.

Abstract: The present invention relates to a device which is to be combined with a bar with disks, that include a plurality of cutting elements with each one turning about its respective axis. The axes of the cutting elements are directed upward during work and are arranged alongside each other along a transversal line with respect to a forward direction of the device during work. Each cutting element is made of a cutting disk including cutting blades connected to the cutting disks and a support which is also provided with blades. Each support is connected to the corresponding cutting disks. The cutting bard and disk of the present invention permit the cutting and chopping and/or crushing of plants or vegetables.

Abstract: A fullness detector for the grass collector of a lawnmower includes a pressure actuated switch which is responsive to a pressure condition in an air flow passage for conveying grass cuttings between the lawnmower and the collector. Preferably the condition is the static pressure within the passage, which is sensed in a sensing zone shielded by a baffle. The baffle serves to increase the difference in static pressure measured in the zone between any two conditions of fullness of the collector, and to reduce grass build-up in the zone. The signal for the detector may be used to control a function of the lawnmower.

Abstract: A rake (140) includes an elongated head (142) and an elongated handle (144). The elongated head (142) includes a white-metal extruded head blank (148) with a tooth-blanking flange (154) and a handle-attaching flange (158). A plurality of rake teeth (186) are blanked, or otherwise defined, in the tooth-blanking flange (154). A pair of identical handle-attaching brackets (202) each having both a semi-cylindrical portion (206) and a flange portion (208) are used to attach the elongated handle (144) to the elongated head (142). The elongated head (142) includes a lifting portion (162) that cooperates with the rake teeth (186) in a raking step, an ironing portion (166) that provides an ironing step, and a secondary smoothing portion (170) for use in a supplemental smoothing step.

Abstract: A rope including a heat sensitive component which is subject to a visible change in appearance, such as a color change, when exposed to a selected elevated temperature resulting from a strain-related heat release from the rope. The heat sensitive coating may be contained in a coating over a fiber of the rope or a rope strand, or may be incorporated in sheath located over the load-bearing core of the rope.

Abstract: A steel cord for the reinforcement of rubber articles exhibits largely different bending rigidities in two crossing directions at section of the cord and comprises a bundle of plural strands each being obtained by twisting 3 or more steel filaments and a wrapping filament helically wound around the bundle.

Abstract: A device for producing a twisted yarn has a spindle rotor with a hollow spindle axle connected to a vacuum source and also has a vacuum chamber connected to the hollow spindle axle. A fiber-dissolving device for producing individual staple fibers is provided. At least two spinning rotors are positioned in the vacuum chamber for spinning spun yarns from the individual staple fibers. A centering device is positioned above the spinning rotors on the axis of the hollow spindle axle. The spindle rotor has an annular channel for receiving the individual staple fibers from the fiber-dissolving device. The spindle rotor has supply channels connected between the annular channel and the spinning rotors for supplying the individual staple fibers from the annular channel to the spinning rotors. The spindle rotor has spun yarn removal channels for removing the spun yarns from the spinning rotors and for guiding the spun yarns to the centering device.