Abstract: A display apparatus for displaying a plurality of advertisements comprising a base, which holds condiments and comprising a plurality of condiment holding sections separated from each other by the display apparatus, support members on the base for displaying a plurality of business cards with each of the business cards facing in a different respective direction. The cards are removably mounted and the display apparatus is mounted for movement relative to the base to change the direction in which a given business card faces. A transparent cover, removably mounted to the display apparatus, protects the business cards on the display apparatus and comprises a single integral member comprising a hollow, vertically disposed tube having four walls and having a rectangular horizontal cross-section. A plurality of vertically disposed support members or sections each facing in a different respective direction are protectively covered by the transparent tube. At least one business card is mounted to each support member.

Abstract: A picture frame arrangement which contemplates employing a modular concept. Accordingly, a multiplicity of frames of the same or varying sizes may be arranged and interlocked together to create a desired picture collage. To achieve the interengagement between frames a unique hanger/holder has been conceived that overlies portions of the frames back surface and by means of a press-fit with integrally molded webs protruding from the mentioned frame back surfaces. The hanger/holder is further contemplated to be similarly attachable to a single frame or collage as a wall mounting or stand for the arrangement. Furthermore, each frame is provided with a reversible window that, in either position, press-fits into engagement with the frame's frontal surface to selectively retain either a typically thin picture or thicker collector type items.

Abstract: A contest game piece and a method of manufacturing same. A first portion of a first sheet of material is printed on at least one side with indicia. Perforations are formed through the first sheet of materials defining a boundary partitioning the portion of the first sheet of material printed with the indicia from the other portion of the first sheet of material. A second sheet of material is adhered to the first side of the first sheet of material at portions of the first sheet of material not printed with indicia. The adhered first and second sheets of material are formed into a cup bottom and adhered at its periphery to a side wall of a cup to form a seal therebetween. Apparatus for manufacturing the contest game piece is also disclosed.

Abstract: Apparatus for sequentially turning pages of a book or the like includes a turned page holder having a first part movable up and down, and a second part carried by the first part that swings over the turning pages during holder displacement between up and down position.

Abstract: A fishing rod primarily intended to accommodate open-faced spinning reels is formed of three plastic components, namely a foregrip into which the rod blank of the rod is fitted, a reel seat on which the foot of the reel rests, and a rear grip threadedly engageable with the reel seat to trap the reel foot on the reel seat.

Abstract: A fishing lure for surface water fishing includes an elongated body having the natural appearance and swimming characteristics of a small bait fish. A plurality of movable weights are carried by the body within an elongated cavity adjacent the rear end of the body. The cavity and weights are constructed and arranged to permit the weights to move within the cavity and urge the body, while floating at rest, to an upstanding position. Upon retrieval of the body along the water's surface, the weights move within the cavity to impart oscillation to the body about an elongated axis extending through the body in opposite directions to produce a rattling sound that attracts fish.

Abstract: A fishing lure embodies an elongated body having a fishing line attached to its front end portion and a rearwardly and upwardly extending hook carried by its rear end portion. A plurality of movable weights are mounted within an enclosed cavity provided in the body. The cavity and weights are formed and arranged to permit the weights to move within the cavity and cause the body to oscillate about an elongated axis extending above the longitudinal center line of the lure to thus produce a unique sound, appearance and disturbance in the water which attracts fish.

Abstract: This invention is a simulated bird in hovering flight, including a bird figurine having spread wings and a tail forming three spaced-apart counterweights for a beak of the figurine, which is rested upon an upper end of an upright post.

Abstract: A sound producing device for a toy includes a base, and rotatably mounted on the base a rotating member. The rotating member is capable of rotating both clockwise annd counterclockwise. A member is located on the base adjacent to the rotating member such that in response to rotation of the rotating member in a clockwise and counterclockwise direction, respectively, the rotating member contacts and engages the member and moves the member in a first and a second direction, respectively. A noise emitting mechanism is also located on the base and is operatively associated with the member. The noise emitting mechanism is capable of emitting at least two different types of noise.

Abstract: Plant host acceptable microorganisms, which are ice nucleation deficient and use at least one nutrient from the plant also used by ice nucleating native microorganisms, are applied to a plant part at an early stage in the growth cycle. The multiplication of the native ice nucleating microorganisms is inhibited, so that under normal frost conditions encountered in the field, frost damage is substantially diminished. The non-nucleating microorganisms may be obtained by special selection procedures, selecting from naturally occurring microorganisms or mutagenized microorganisms, where additionally the organisms may be transformed to provide for other desirable properties.The following organisms have been deposited at the A.T.C.C. on Aug. 13, 1981; A5-01, A5-05-1, A5-06, A5-10-1, A5-26, and A4-2B-10.

Abstract: A receptacle for the storage and transportation of cut flowers. The receptacle has a substantially rectangular horizontal cross section, is manufactured of synthetic material, is provided with handgrips, and is double-walled in such a way as to be composed of an external container which is in the form of a truncated right pyramid facing upwards, and of an internal container which is provided with a substantially horizontal bottom and has the form of a truncated right pyramid facing downwards, the wall of the external container and that of the internal container being connected along the upper edge of the receptacle in such a way that the vertical section through both walls has substantially the form of an inverted "V", each leg of the "V" being inclined at an angle of at least 2.degree. to the vertical; the various parts of the receptacle are mutually dimensioned in such a way that a number of receptacles can be compactly stacked to form a nest.

Abstract: A security device for preventing entry through a window includes a plurality of elongated arms pivotally connected to each other at substantially their center points so that the arms may be rotated about the pivot point and be positioned at various angles relative to each other. Each of the elongated arms is provided with a hole at each of its ends so that the arms may be mounted on the frame of a window. The elongated arms are releasably connected at their pivot point so that the number of arms may be varied as needed.

Abstract: An adjustable mounting frame for supporting a storm glass assembly exterior of a prime assembly along the clearance edges of a wall opening in a finished building construction utilizes a pair of interdependent frame and support flange pieces. The support flange contains a reversible first surface for facing flush against the exterior portion of the wall and an orthogonal second surface having longitudinal engagement members for connecting with the frame piece. The frame piece has a first side facing the second surface of the flange formed with a plurality of connection elements for slidably attaching the frame piece to the flange and a second side facing into the opening with mounting groove means for supporting the storm glass assembly.

Abstract: A door closing device for an autoclave or the like is disclosed. Planar slides are provided on the door in planes parallel and perpendicular to the access opening plane. The slides have first guideways and are displaceable in their planes parallel to the access opening plane. Lateral guide members to opposite sides of the door are freely displaceable in the first guideways. Second guideways are formed in two wall members fixed to the frame, facing and parallel to the slides. The first and second guideways have paths determined to constrain movement of the guide members and the door so that for engagement and disengagement with the access opening edge the door is displaceable at right angles to the access opening and when the door is at a distance from the access opening edge it is displaceable by translation parallel to the access opening plane.

Abstract: A window regulator for an automotive vehicle for moving a window pane up and down comprises a plurality of fixed sliders, in place of rotating rollers, in addition to the conventional elements such as a main arm, two subarms, a movable guide rail, a fixed guide rail, a rack and a pinion, etc. The respective arms used for the window regulator according to the present invention include a bent portion at one end thereof in which a slider-fixing portion and a pair of tabs are formed, respectively. The sliders include a slot formed at the center thereof. The slider-fixing portion of each arm is inserted into the slot of a slider so that the tab extend slightly therethrough, and then the tabs are bent to fix the slider on the end of the arm.

Abstract: A channel-shaped sealing strip for vehicle door openings, for example, is shown. It has a gripping section incorporating a metal carrier covered in flexible covering material which additionally defines longitudinally extending gripping lips. The sealing strip is formed into a loop, ring or frame to suit a particular vehicle door opening. Along those lengths of the loop intended to be fitted to the portions of the door opening between the latter's sharp bends or corners, the gripping section is provided with additional reinforcing members which seat in the base of the channel. The reinforcing members are made of stiff metal but which can be bent slightly, when the sealing strip is fitted into position, so as to hold the sealing strip in a slight curve, in any plane, to match the door shape. At the positions in the loop where sharp bends or corners are required, the sealing strip is completely free of the reinforcing members.

Abstract: A corner cover for a window unit having a window frame which forms an opening with a corner, includes a panel and an outer member. The panel is attached to the window frame in such a manner as to cover the corner of the opening. The panel and the window frame form a recess. An outer member extends over the panel to cover one surface of the latter. A flange is formed on the outer member and fits into the recess. A hooked portion is formed on the outer member and clamps part of the panel. The recess, the flange and the hooked portion are designed so that the outer member can be attached to the panel by moving the outer member along the panel in one direction only. The panel and the outer member include a mechanism which limits movement of the outer member from its attached position in the direction opposite that of movement of attaching the outer member to the panel in order to prevent detachment of the outer member from the panel.

Abstract: A vibratory finishing machine includes a supporting frame, a processing tub, and a tub vibrating mechanism interposed between the frame and the tub. Workpieces and finishing media are introduced into the tub for processing, are vibrated to effect a finishing action, and are discharged from the tub through a discharge opening. The discharge opening is selectively opened and closed by a door structure which is not mounted on the tub for vibratory movement therewith as is conventional, but which is, instead, supported independently of the tub so that the tub vibrates relative to the door during finishing operations. The door is biased toward its closed position and is provided with a power-operated mechanism for moving it toward its open position. In the event of power failure, the biased door will move toward its closed position to prevent workpieces and finishing media from emptying from the tub.

Abstract: The glassware etching apparatus etches glassware or other workpieces with abrasive grit which is entrained in an air flow. The etching apparatus includes a cabinet having a work surface, a transparent shield over the work surface and upper and lower supporting shelves below the work surface. A foamed plastic workholder for receiving the workpiece to be etched is mounted on the work surface. A venturi structure for entraining abrasive grit in the air flow is mounted in alignment with the workholder on the upper shelf. A linear tube extending from the venturi structure directs the air flow with entrained grit toward the workholder. The air flow is generated by vacuum cleaner-type motor-impellers in fluid connection with the venturi structure. Grit rebounding from the workpiece is trapped by a fabric filter which extends from the bottom of the work surface around the directing tube.

Abstract: This outdoor telephone booth has translucent side panels which extend substantially the full height of the booth. The side panels, and front and rear header panels as well as the interior of the booth are illuminated through a diffuser by a single source of illumination. The diffuser has a horizontal panel as well as two oblique side panels disposed at 30.degree. with respect to the vertical for substantially uniform illumination of the full-height side panels of the booth. The sloping panels of the diffuser are held down by snap-in retainers, eliminating separate fasteners, and making the diffuser highly resistant to tampering. The illumination assembly depends from a bridge which extends across the upper end of the booth. The bridge is held down by a removable cover.

Abstract: A room sized building module made up of a three dimensional skeletal frame comprising wall frames and a ceiling frame constructed as a unitary integral structure adapted to be attached or moulded to a floor, the whole frame being constructed in a reinforced concrete matrix material, the frame being formed around and bonded to a premade sheet of lining material strong enough to be self supporting between the frame members, the lining material and the frame combining together structurally to provide a rigid transportable module. The ceiling of the module is preferably domed.

Abstract: Timber support poles are given desired breaking properties to reduce the deceleration of a vehicle that collides with the pole by cutting one or more recesses in the pole, and filling the recesses with a polymeric filler composition.

Abstract: The sidewall of a swimming pool is made up of bendable sheet modules fastened together at their ends. One end of each module is bent outwardly to define a vertical flange, the other end being unbent. A step is provided in the flanged end of each module of a depth to receive the unbent end of an adjacent module in coplanar relation to the unstepped area. Headed fasteners secure the modules together, their heads being housed in nested recesses in the overlapping portions of the modules to provide a smooth and continuous inner surface for the wall, the nested recesses serving to transmit forces from one module to the next without placing shear stresses on the headed fasteners.

Abstract: A single foil is biaxially stretched on a frame for movement relative thereto by being secured intermittently to a single rubbing strip over a guide ledge. The rubbing strip is stretchable and movable lengthwise of the associated frame side. Torsional forces arising because of the one-sided loading of the frame by the stretched foil are taken up by the frame which is made with a torsionally rigid cross-section.The single foil can be clamped without creasing and in a manner which ensures freedom from creasing notwithstanding differences in the heat expansion of the foil and frame.

Abstract: A method and apparatus for post-tensioning a concrete slab. A tendon member is pre-formed to define an enclosed area yet fit within a form. The tendon member has ends which extend past the form. Concrete is poured around the tendon with the tendon being positioned within the periphery of the concrete structure to form a large central area bounded by the tendon and an exterior portion which surrounds the enclosed area of the tendon. The tendon is anchored within said concrete by anchors secured to the ends of the said tendon and placed under an original tension of around 28,000 p.s.i.

Abstract: A vertical modular construction element of cast concrete rests at its lower end on spaced feet between which at least one closed steel loop is provided for the reception of threaded reinforcing rods that interconnect a series of such construction elements disposed side-by-side, for the construction of retaining walls, etc. The closed loop depends below the construction element a distance less than the height of the feet, so that the closed loop is spaced above the ground when the element rests on the ground on its feet. The elements can be either ribbed or rectangular in cross section. If ribbed, then there is a foot at the end of each free edge of each rib and the loop is embedded in one of the feet. In any case, the loops are the lower portions of U-shaped steel rods whose legs extend up along the height of the element and are embedded in the element so as to resist horizontal forces imposed on the element.

Abstract: A building block for constructing a floor or wall has a plurality of tile blocks bonded to a single synthetic resin base. Pieces of acoustical insulating material are dispersed in the resinous base and a strip or sheet substantially impermeable to the resin is placed between the resin base and tile blocks bridging the interface between edges of adjacent tile blocks to regulate flow of the base material into interface between the tile blocks.

Abstract: A steel primary framing member, or truss, and concrete floor structure in which the top chord of the truss, regardless of cross-sectional configuration, is totally or at least partially embedded in the concrete to cause the concrete floor and steel truss to function together structurally as a composite system. The upper chord of the truss acts as a continuous or substantially continuous shear connector thus enabling the top chord to perform a multi-purpose function. Additionally, the top chord may be of any configuration and may be either a solid piece or contain perforations.

Abstract: To reduce heat transmission between an inside area (J) and an outside area (A) in an aluminum casement window or door frame construction, the frame is formed of three seperate rail elements (6, 7, 8) which are structurally interconnected by glass fiber reinforced polyester strips (9, 10) which are positioned to cooperate with steps (20a, 20b, 20c) formed on a wood window or door frame so that, upon closing the window or door, two air chambers (12, 14) will be formed, separated by an intermediate projecting strip (37) projecting from the intermediate rail (7); additional sealing strips (16) can be provided, the strips being retained between legs (22, 26) formed on the rails and defining grooves therebetween.

Abstract: This disclosure relates to an insulating system which is particularly adapted for insulating the walls, floors, ceilings and like structure of buildings and includes a panel having a hollow chamber of interior under negative pressure (vacuum) and being of a variety of external peripheral sizes and shapes to fit within areas defined by wall and/or floor and/or ceiling studs, beams, or the like, a plurality of springs, chains or the like for supporting the panel in generally spaced relationship to an associated building wall, ceiling, floor or like structure, and a plurality of pin-like elements of relatively small cross-sectional configuration normally spaced from the exterior surface of the panel for contacting a limited exterior surface area of the panel only upon the springs, chains or the like becoming inoperative which would in the absence of the pin-like elements result in direct contact between the panel and the associated building wall, ceiling, floor or like structure and thus reduce the insulating ef

Abstract: A wall construction for use as an outer wall, a roof or the like in an architectural structure is disclosed which is capable of effectively accomplishing sound absorption and insulation and heat insulation. The wall construction includes a first coat member of sound absorbing and heat insulating properties disposed on a base member and a sheathing member of sound and heat insulating properties spaced through a support member from the first coat member to define a space therebetween.

Abstract: The ceiling tile suspension system is composed of a runner structure and a clip structure. The runner structure is generally trapezoidal in cross section with two flanges spaced away from a ceiling structure. The clip structure includes a flat base portion with flanges that grasp the flanges of the runner. The clip structure has a serrated edge connected to the flat base portion and the serrated edge either digs into the edge of the ceiling tile or slips into a kerf in the edge of the ceiling tile to hold the ceiling tile in position against the clip flat base portion.

Abstract: A flat shingle style concrete roofing tile adapted to be laid over an underlayment in a series of courses on a roof and secured to the roof by mechanical fasteners and a sealant is provided. The tile has thickened edges along the front, back and sides molded to the underside of the tile, the front edge and the front portion of the side edges forming a step of reduced thickness relative to the adjacent part of the side edge which is adapted to resist a tile in an upper course from sliding down an inclined roof when engaged with the course immediately below it. The rear portion of the side edges and the back edge being shaped so as to provide an extended bearing surface along the back edge and the rear portion of the side edges of the tile when the tiles are lapped in successive courses. Complementary flanges extending from each side of the tile each form a ridge and a groove, the groove of each tile being adapted to receive and lock the ridge of an adjacent tile.

Abstract: The present invention is directed to a support for sustaining building elements such as joists, trusses, rafters, and purlins, which comprises four corner elements connected to each other by a load-bearing intermediate element, with the distances between the corner elements in one orthogonal direction at least equal to the size of a building element.

Abstract: A pellet wrapper adapted to wrap a pallet with a web material comprises, an anvil member movable into position against the side of the pallet, a clamp movable with the anvil and adapted to hold the end of the web with which the pallet is to be wrapped. With the clamp and anvil so positioned adjacent the pallet, the wrapping of the pallet is begun. After the web has wrapped around the pallet at least sufficient turns so that the web overlies the end retained in the clamp and secures this end portion against the side of the pallet, the clamp is then released and retracted and the wrapping of the pallet completed to wrap the pallet and then back to overlapping the layer of web material initially applied to the pallet while forming said web in about the last 11/4 turns into roped form.

Abstract: Apparatus for filling bags and providing completely controlled handling of bags from pickup through their movement to a bag closing station. A pair of elongated forming bars supported for up and down movement and traversing movement between a bag filling hopper and a laterally spaced bag closing station grip, flatten, and assist in forming gusseted bags after filling while the bags are still clamped on a filling spout, and thereafter controllably lower the filled bags to a conveyor and support the bags on the conveyor in traversing movement to a final bag closing station. A pair of gusset arm assemblies supported for lateral shifting movement on opposite sides of a filling spout each include a pair of gusset clamping fingers which are disposed inside of the mouth of a bag during filling. The clamping fingers are actuated in a predetermined sequence to hold and form the gusset pleats of the bag while permitting the bag to be opened over its full width during the filling operation.

Abstract: A roll-wrapping apparatus and method where rolls are wrapped with an envelope of heat-shrink plastic film with a label positioned between the envelope and roll and electrostatically bonded to the film. The bond prevents misalignment of the label prior to heat shrinking of the film onto the roll.

Abstract: A method of stretch bagging a poultry carcass within a stretch bag, including supporting a plurality of open-ended stretch bags in superposed array; forcing pressurized air into the top open-ended stretch bag so as to open the bag; axially entering the top bag and tranversely stretching from within while vertically supporting the top bag; stuffing the top bag with an inverted fowl carcass such that the breast plate is uppermost and the legs protrude rearwadly; relaxing transverse stretching and vertical supporting of the top bag, while compressing the fowl within the top bag by interposing restraining force in the path of longitudinal advance and at the forward end of said carcass, such that the leg joints of the carcass are broken and the legs are made to conform to the body of the carcass and remaining bags. The method is distinguished from the prior art in its compressing of the fowl within the bag.

Abstract: A case packer has a grid with fixed lane guides to receive columns of articles in an array which can be isolated from articles on the infeed conveyor by upright posts on a shifting plate. The articles to be dropped are supported on a shifting grid which moves with the shifting plate up to a predetermined point where the plate and posts stop and the grid moves further and in a downstream direction to separate the articles being dropped from those held back by the posts.

Abstract: In a method of and apparatus for harvesting a row of grapevines, a pair of opposed parallel striker bars are pivoted back and forth transversely of the row of grapevines about an axis that is situated over the plants and that extends parallel to the direction of travel of the harvester. The front ends of the striker bars are supported by a front shaker frame, and the rear ends of the striker bars are supported by a rear shaker frame that is free to pivot independently of the front shaker frame. Dual-eccentric-weight oscillatory drives are mounted to the front and rear shaker frames. Various drive arrangements are disclosed for rotating the eccentric weights on the front and rear shaker frames at different frequencies, amplitudes or phase relationships, as desired. Due to the different motions of the front and rear ends of the opposed striker bars, the bars impart a varying shaking action on the grapevines as the bars are translated forwardly relative to the grapevines.

Abstract: A compact safety control apparatus and method for powered lawnmowers having a cable-actuated clutch between the motor and blade thereof is provided which includes a "dead man" function along with an operating mechanism requiring two distinct steps for engaging the clutch and initiating rotation of the lawnmower blade. The control apparatus preferably comprises a shiftable lever and a separate, shiftable "dead man" bail, along with an operating mechanism including a coupler positioned on the lever and movable into engagement with an end fitting on the actuating cable by means of a plate shiftable with the bail; when the coupler is initially positioned by movement of the bail, the lever is shifted to move the cable and thereby engage the clutch, whereupon the cable is releasably locked in position by interengagement of respective shoulders on the cable fitting and plate. Subsequent release of the bail releases the locking shoulders, thereby disengaging the clutch.

Abstract: A mower has a mower support mount beam with at least one rotating mowing device as well as a flexible coupling to a carrying mount beam and a hitching mount. The carrying mount, when the machine is moving forward is in front of the mower support mount and above it. A latching mechanism is supplied for the carrying mount beam which includes a biased spring member and a movable intermediate member which projects into a clasping pocket of the carrying mount beam so that a swinging locking clasp which has a pull cord thereon can grip it.

Abstract: A method of manufacturing leaky coaxial cable by winding conductive tapes around a core to provide apertures of a certain shape, number and density. By varying the width of one or both tapes the aperture distribution is varied thereby altering the coupling of the cable when used in a detection system. A graded cable showing such varying coupling can be used to compensate for cable attenuation losses and other variables.

Abstract: A splicing head has a turbulence chamber which is circular in cross section. The turbulence chamber is cylindrical or has a cylindrical center portion and conical outwardly enlarging end portion, and an insertion slot. Air inlet passages open into the cylindrical portion along tangents and in opposite directions so that air under pressure through the passages creates circumferential flow in opposite directions. Air is supplied alternately to the two passages, creating oppositely alternating air currents in the chamber, thereby twisting and joining thread ends inserted through the slot into the chamber without having overtwisted or untwisted portions.

Abstract: A device is provided for interrupting the feed of a roving to drawing frames on ring spinning machines in response to thread breakage at a respective spinning unit. The device includes a clamping segment annularly clamped about a lower drawing roll and having abuttments for selectively lifting the upper drawing roll away from the lower roll to interrupt the feed of roving in response to movement of the clamping segment to an interrupting position. To control the clamping segment, a locking detent lever is provided which is spring-loaded into a locking position engaging the clamping segment and movable to an unlocking position in response to an electrical drive mechanism which, in turn, is controlled by a thread end break detection device. In particularly preferred embodiments, a capacitor is used to energize the drive means to unlock the lever, the capacitor being charged during normal spinning operation and discharged for a preset time period during the unlocking operation.

Abstract: The invention relates to a communications cable which is assembled of at least one basic bundle of at least three component conductors each being formed of two SZ stranded pairs or quads of wires and a portion of the component conductors in the group being radially transposed across each other. The invention also relates to a method of and a device for manufacturing such a cable.

Abstract: A method for preventing abnormal splicing. When two or more yarns are sucked from the package by the suction arm or when a slab or other disorder is detected by the detecting device, the yarn is cut in response to a yarn cutting signal from the detecting device, and after completion of the splicing operation, the yarn is forcibly cut again and the splicing operation is conducted again.

Abstract: The invention relates to a device for conveying cops and winding tubes at one and the same time between a spinning frame and the relative winding heads which comprises a powered closed-ring conveyor means revolving in a substantially horizontal plane along each side of the spinning frame between one end of the spinning frame and the point of delivery of the cops to the winding heads pre-disposed downstream from the spinning frame, a plurality of pins carrying the cops or tubes and anchored to a conveyor, guides for the pins and a loading/unloading station where the tubes are loaded and the cops are doffed from the spindles of the spinning frame. The cops are conveyed on one side of the closed-ring conveyor, whereas the tubes to be fitted to the spindles of the spinning frame are conveyed advantageously on the other side of the conveyor.

Abstract: An S-Z twisting machine including a twisting disc operated reversibly at the speed n.sub.1 and a tubular accumulator driven with the lower speed n.sub.2. The elements to be twisted which are applied to the tubular accumulator via an aperture guide disc, are preferably conducted through a further aperture guide disc which is rigidly connected to the tubular accumulator near its center to insure that the loops before and behind the further guide disc are equal per unit length of the tubular accumulator.

Abstract: To ensure for the effective removal by suction of thread breaks, even at long ring spinning machines in an economical manner, a second duct or channel is provided above a package creel and parallel to a first suction duct or channel. Both ducts discharge into a common suction chamber. Connecting channels conduct a portion of the air quantity sucked-up by suction nozzles into the second duct or channel. The cross-section of the second duct is enlarged, with increasing length of such duct, in a manner such that there prevails in both ducts essentially the same mean air velocity.