Abstract: First and second bodies of fastener material 4 and 5 advance in a first direction which is an advancing direction, the advancing direction being changed into a second direction. A pair of turn over bars 12 and 13 are spaced from each other, the first and second bodies of fastener material 4 and 5 advancing in the first direction to be engaged with the turn over bars 12 and 13. The first and second bodies of fastener material 4 and 5 are then inserted between and turned over by the turn over bars 12 and 13 with the advancing direction being changed into the second direction.

Abstract: An apparatus for enrolling a package is disclosed including: a receiving surface for receiving the package; at least one weight sensor in communication with the receiving surface which generates a weight signal indicative of the weight of the package; at least one video camera which generates a video signal indicative of an image of the package on the receiving surface; and a processor in communication with the at least one weight sensor and the at least one video camera. The processor includes: a weight module which produces, in response to the weight signal, weight data indicative of the weight of the package; and a dimension capture module which produces, in response to the video signal, dimension data indicative of the size of the package. In some embodiments, the processor further includes a recognition module which produces, in response to the video signal, character data indicative of one or more characters present on the package.

Abstract: In a device on a spinning room preparation machine, for example a fibre flock feeder, carding machine, cleaner or the like, for supplying and/or discharging fibre material, a tray-like guide element having a guide surface co-operates with at least one conveyor roll located opposite, the fibre material being guided towards and along the guide surface. In order to provide a simple way of supplying and/or discharging fibre material without undesirable adhesion of fibres, the guide element located opposite the at least one conveyor roll is arranged to be set in vibration by at least one actuator.

Abstract: In a structure that exfoliation is performed in the pitch sending of a carrier tape (15) by making a cover tape exfoliating mechanism (50) intervene between joining surfaces of a base tape (15a) and a cover tape (15e), in an exfoliation start position where an exfoliating knife tip (51f) of an acuminate shape, which is provided at a front end, starts to exfoliate the joining surface, a lower guide member(40), which guides the carrier tape (15) from below, is pushed up from the bottom side by a lever member (44), and when the carrier tape (15)is installed, the carrier tape (15) is pushed up together with the lower guide member (40)to make the exfoliating knife tip (51f) in the exfoliation start position to be aligned to the joining surfaces and enter between the joining surfaces.

Abstract: The present invention includes a multi-use welding gun body configured for use in multiple locations along a welding gun assembly. In a particular embodiment, the multi-use welding gun body includes an enclosure forming an exterior surface of the body, the enclosure configured for both receiving a welding wire and a power source and directing the same toward a torch and having a first enclosure end with a wire-receiving aperture extending to an internal block-receiving cavity, the wire receiving aperture shaped to selectively receive a torch and an extension having an orifice containing both welding wire and shielding gas. The block-receiving cavity of the enclosure extends axially with a non-circular profile to a cable-receiving cavity within the housing, the cable-receiving cavity extending longitudinally to the second enclosure end. The second enclosure end includes an aperture forming an end of the cable-receiving cavity. A removable block is positioned within the block-receiving cavity.

Abstract: A recording apparatus includes a feeding unit that can feed roll-shaped roll medium downstream in the transport direction, a recording apparatus main body having a recording unit that performs recording on the fed roll medium, and a winding device that winds the recorded roll medium in a roll at a predetermined position, in which the winding device can move with respect to the recording apparatus main body.

Abstract: An apparatus for transporting strip-like material, has a treatment roller and at least one transporting or strip-gliding roller. The at least one transporting or strip-guiding roller is arranged upstream or downstream of the treatment roller, and comprises a twisting roller having an axis of rotation which encloses an angle other than 0° in relation to an axis of rotation of the treatment roller. The twisting roller rotates the course taken by the strip-like material in relation to the course defined by the surface of the treatment roller.

Abstract: A conveying device includes a first feeder that rotatably supports a roll sheet and feeds the roll sheet to a conveying path, a second feeder that feeds a cut sheet to the conveying path, and a controller that determines whether a sheet fed to the conveying path is the roll sheet or the cut sheet based on the relationship between movement of the sheet fed to the conveying path and rotation of the roll sheet.

Abstract: An apparatus for enrolling a package is disclosed including: a receiving surface for receiving the package; at least one weight sensor in communication with the receiving surface which generates a weight signal indicative of the weight of the package; at least one video camera which generates a video signal indicative of an image of the package on the receiving surface; and a processor in communication with the at least one weight sensor and the at least one video camera. The processor includes: a weight module which produces, in response to the weight signal, weight data indicative of the weight of the package; and a dimension capture module which produces in response to the video signal, dimension data indicative of the size of the package. In some embodiments the processor further includes a recognition module which produces, in response to the video signal character data indicative of one or more characters present on the package.

Abstract: To provide a tape feeder capable of reducing absorption dislocation, a tape feeder according to the present invention is a feeder feeding a carrier tape including a plurality of component storage units of a rectangular shape provided at predetermined intervals in a feed direction. The tape feeder includes a first magnet which is provided below a bottom surface of the component storage unit fed to a feed region so as to extend in the feed direction below one side of the bottom surface of the component storage unit in a width direction, and which attracts a component of the component storage unit fed to the feed region to one side of the bottom surface of the component storage unit in the width direction.

Abstract: An arrangement (11) for driving a flat substrate along a longitudinal direction, the arrangement being mounted in a packaging production machine. The substrate has a surface that has sustained at least one modification. The arrangement includes a device (9) for driving the substrate along the longitudinal direction, and a device for bearing the substrate against the driving device (9), and having at least one bearing zone (23) facing toward the driving device (9). The substrate is engaged and driven between the driving device (9) and the bearing device. The bearing zone (23) has a transverse dimension (D) and position (Y), chosen as a function of a transverse dimension and a position of the modification on the substrate, so as to prevent damaging the modification between the driving device (9) and the bearing device.

Abstract: A welding gun assembly for directing a welding wire toward a workpiece, having a torch at a forward portion of the gun; a welding wire feeder at a rearward portion of the gun; and handles positioned adjacent the torch and wire feeder. Each handle has a first, cylindrical portion and a second, hexagonally shaped portion adjacent the first, cylindrical portion. The hexagonal portion has a cylindrical opening and a hexagonal opening adjacent the cylindrical opening. The handle further has an extension member having an access opening therein. A conduit is connected to each handle.

Abstract: A medium conveying device includes: an inclined roller that feeds a recording medium in a direction that is inclined from a conveying direction of the recording medium; and a counter member disposed at such a position as to be opposed to the inclined roller with the recording medium interposed in between and having a curved surface on a side of the inclined roller, and one of an outer circumferential surface of the inclined roller, a rotation axis of the inclined roller, and the curved surface of the counter member is inclined according to an angle between a feed direction of the inclined roller and the medium conveying direction and a radius of curvature of the curved surface so that the outer circumferential surface of the inclined roller and the curved surface of the counter member contact each other approximately in line contact.

Abstract: The web conveyer for manufacturing an absorber including an absorber core and a covering member covering the absorber core, conveys an absorber web including the absorber core sandwiched by a pair of webs to form the covering member. A thickness of the absorber core is larger than a thickness of the covering member. The web conveyer includes a direction changing mechanism which changes a conveyance direction of the absorber web by 90° or more. A rotation distance of the absorber web, that is, the length of a semi-circumference of the changing roller, is larger than is longer than a length of each of the absorber cores in the conveyance direction MD of the absorber web.

Abstract: There is provided a paper width detection apparatus including a plurality of lever members lined in parallel in a paper width direction of a recording paper roll, each lever member being rotatably arranged on a same center axis, a detecting unit for detecting a rotation state of the lever member, and a determination unit for determining a paper width of the recording paper roll based on a detection result. One lever member of the plurality of lever members rotates in a first rotating direction about the center axis by contacting an outer peripheral part of a holding unit for holding both ends of the recording paper roll, and another lever member positioned on an inner side in the paper width direction facing the recording paper roll than the lever member contacting the holding unit rotates in conjunction with the lever member contacting the outer peripheral part of the holding unit.

Abstract: An apparatus for transporting a fabric having first and second transport faces for gripping a fabric therebetween and to displace the fabric along its length, in which at least one of the transport faces has an irregular surface.

Abstract: Apparatus and a method for handling an elongate member such as a cable between two points has a support line extending between the points, and winch mechanisms and wrapping devices at each of the points, to permit the elongate member to transit between the two points in a wrapped bundle that is supported mechanically against damage and deviation from a controlled path between the points, and to permit the bundle to be unwrapped at the second point for further manipulation of the elongate member. The invention is particularly useful in raising and lowering a load, towing, and also handling service cables, tubes, pipes, hoses or other elongate lines that are connected between two points. A preferred embodiment is described for the subsea deployment of wireline and the deployment of signal and power cables to subsea wells.

Abstract: An apparatus for selectively dispensing a web from a plurality of rolls of serrated bags or layflat tubing comprises a web selector for selecting and advancing a web from the plurality of rolls; a bag driver for advancing the selected web and separating a bag from the web; and a bag transfer device for transporting the separated bag from the bag driver to a location for processing. A sealer/cutter is used to produce a bag from the layflat tubing. A method of selectively dispensing a web from a plurality of rolls of serrated bags or layflat tubing comprises selecting and advancing a web from the plurality of rolls of serrated bags; advancing the selected web and separating a bag from the web; and transporting the separated bag to a location for further processing. In the case of layflat tubing, the selected web is sealed and cut to make a bag.

Abstract: A feed mechanism includes a feed slide movable between a retracted position and an advanced position. The feed slide is configured to feed a product strip during a feed stroke as the feed slide is moved from the retracted position to the advanced position and the feed slide is movable with respect to the product strip during a return stroke as the feed slide is moved from the advanced position to the retracted position. The feed mechanism also includes feed fingers pivotally coupled to the feed slide at corresponding attachment points. The feed fingers are movable between an engaged position and a released position, wherein the feed fingers are configured to contact the product strip in the engaged position and the feed fingers are configured to be positioned away from the product strip in the released position. The feed fingers are moved to the released position prior to the feed slide moving along the return stroke.

Abstract: An apparatus for cutting gas-filled filling bodies (12) to size, wherein the filling bodies are fed to the apparatus in the form of a string of successive gas-filled filling bodies that are connected by flat connecting sections (13); wherein a cutting device (11) having a cutting element (15) is provided for cutting the gas-filled filling bodies (12) in the connecting section (13) between two filling bodies; wherein at least one catch (21) is provided that is preferably arranged on a wheel (20) and has an engagement area (21a) for receiving a filling body (12); wherein the catch (21), together with the filling body (12) is movably arranged and configured such that the filling body (12) situated in the catch (21) is centered. A counter (23, 24) is provided for receiving a number of filling bodies (12) moved across a reference point. An evaluation and control unit is provided for receiving data of the counter (23, 24) and for triggering the cutting process.

Abstract: The present invention relates to a method of production and an arrangement for feeding and guiding web materials in laterally separate paths from a web supply to a machine for producing packing blanks. More specifically a web guide is disclosed, capable of controlling web materials in laterally separate paths from a side by side storage to be advanced in parallel paths through the machine and to be separately or simultaneously processed into packing blanks.

Abstract: The present invention relates to a method of production and an arrangement for feeding and guiding web materials in laterally separate paths from a web supply to a machine for producing packing blanks. More specifically a web guide is disclosed, capable of controlling web materials in laterally separate paths from a side by side storage to be advanced in parallel paths through the machine and to be separately or simultaneously processed into packing blanks.

Abstract: A drawing machine includes a drawing die and a continuously working drawing device, the drawing device comprising only one closed drawing member that is guided around axis-parallel wheels and is driven in a controlled manner via at least one of the wheels. The drawing member is linked with clamping devices carrying clamping chucks that are controlled and moved towards one another and apart from another to grip a wire, tube or profile to be drawn. In an embodiment, the clamping chucks are retained by retainer elements that extend through a drawing element linked with the clamping device.

Abstract: To provide flexibility for a guided terminal belt, a rolling member is used to feed a terminal carrier. The rolling member has a contact area to make rolling contact with the carrier. The contact area presses the carrier against a guiding face as the carrier advances in a feeding direction. The feeding is performed when the terminal fitting of the terminal belt is in a released or disengaged state. This makes feeding possible regardless of the type of terminal fitting to be crimped, thus, providing flexibility for the terminal belt to be guided.

Abstract: Method and apparatus for preventing the buckling of a pipeline (10) on either side of a localised zone of increased stiffness in the pipeline (such as a buckle arrester (12)) when the pipeline is bent around an arcuate path, in which packing elements (14) are located between the pipeline and a pipeline bearing surface (20) defining the arcuate pipeline path on either side of the zone of increased stiffness so as to vary the radius of curvature of the pipeline between a first, greatest value adjacent the zone of increased stiffness, and a second smaller value substantially equal to the radius of curvature of the arcuate pipeline path at a predetermined distance from the zone of increased stiffness on either side thereof. The packing elements (14) comprise a graded series of blocks adapted to be attached to the pipeline on either side of the zone of increased thickness. The blocks may be shaped as required to cooperate with the pipeline and the pipeline bearing surface.

Abstract: A low-loss, high-energy efficiency and low-cost heatable godet has a plurality of short wavelength infrared radiation heaters closely juxtaposed with the inner wall of the hollow drum of a godet onto which a synthetic yarn can be fed. The heaters can be angularly equispaced within the interior of the drum, closely juxtaposed therewith and of different lengths to heat different axial zones of the drum differently. The heaters can be coated with a reflective material on their sides turned away from the drum to avoid scattering losses and to direct energy to the drum.

Abstract: A sectional door (20) having a plurality of panels (21, 22, 23, 24) including, a body portion (25) of the panels spacing and joining longitudinal edges (40, 50), one of the edges (40) between adjacent panels on a first panel having a substantially concave curvilinear surface (45) in vertical cross-section, the other of the edges (50) between adjacent panels on a second panel having a substantially planar surface (52) in vertical cross-section, longitudinally-spaced hinges (65) interconnecting the first and second panels for pivotal movement.

Abstract: A thread wheel including a top wheel base and bottom wheel base connected together and fastened to a center shaft of an automatic thread storage and feeding unit of a knitting machine. The top and bottom wheels have a respective set of equiangularly spaced radial locating holes. A plurality of supporting elements are connected between the locating holes of the top wheel base and the locating holes of the bottom wheel base for guiding thread in and out and for storing thread. The supporting elements are respectively made from an elongated flat plate, each supporting element having two rectangular ends respectively fitted into the locating holes of the top wheel base and the locating holes of the bottom wheel base.

Abstract: A yarn guide elbow for directing a yarn or filament in a textile process, such as a texturing process. The yarn guide elbow includes a housing, the housing defining a cavity. The housing is provided with a first opening and a second opening, each of which communicate with the cavity. A roller is disposed within the cavity and mounted on the housing for rotation. Each of the first and second openings are disposed substantially adjacent the periphery of the roller. The housing is arranged and configured such that the distance between the first and second openings may be selectively adjusted.

Abstract: A tape keeper for use in magnetic tape recording and/or reproducing apparatus to keep tape on tape transport elements. The tape keeper has a plurality of flexible bristles supported on a support adjacent to a tape transport element. The element includes spaced tape edge guides between which the bristles extend to keep the tape on the element.

Abstract: A system for establishing the lateral position of a web without requiring the web path to change direction. The system utilizes a support surface that is curved in its transverse direction concave towards the web, a guide extending longitudinally along the surface, and a roller that is positioned against the support surface so that the web will be urged laterally against the guide and will conform to the curvature of the surface, thereby increasing the lateral column strength of the web.

Abstract: A guide apparatus for guiding a strip of material along a predetermined strip travel path and for centering the strip relative to the central axis of the travel path includes a pair of lever arms and a pair of strip engaging members spaced from one another and mounted on each of the lever arms. The lever arms are each supported for pivotal movement about a respective pivot axis centrally located between the rollers and are positioned relative to the strip travel path with the pivot axis of each lever arm extending in a direction perpendicular to a strip guiding surface and intersecting the central axis of the strip travel path. In addition, the lever arms are biased toward a pivoted position in which the strip engaging members mounted on the lever arms are adapted to engage a strip traveling along the strip travel path and center the strip relative to the central axis of the travel path.

Abstract: A tensioning device for a packaging tape, which is slung around a stack of goods in a packaging station and of which the free end is held there, has a driving plate drivable by a motor around an axis of rotation with a bearing surface for the tape. Clamping elements each having a clamping surface are associated with the driving plate. At least one guiding element is provided for the clamping elements, by means of which, in a closing area smaller than the surrounding angle of the tape around the bearing surface, the clamping elements can be brought into a position, in which the tape is non-positively held between the clamping surfaces and the bearing surface.

Abstract: A device for the insertion of filling wires into a wire jointed-band is described, being positioned in the conveying direction of a machine for the production of the wire jointed-band behind a feeding device for the plugging wires. By means of a guiding plate with channels and a roller the filling wires are inserted into the respective openings of the already completed wire jointed-band. The device according to the invention allows a sectional mechanical insertion of the filling wires into the actual wire jointed-band. The filling wires can be inserted simultaneously with the plugging wires, resulting in a substantially higher production speed.

Abstract: There is provided a sheet feed control method for feeding sheets at a predetermined pitch to the printing section of a printing machine that comprises a sheet feeding roller and a pair of small rollers provided one upstream and the other down stream and pressed against the outer periphery of said sheet feeding roller to sequentially catch and convey sheets, said sheet feed roller being rotated by means of a transmission gear mechanism driven by a source of driving force, said control method being characterized by that it is so designed as to be capable of calculating the time when the rear edge of a sheet passes between said sheet feed roller and said upstream small roller and offsetting or compensating for the preceding backlash of said transmission gear mechanism by modifying said pitch when the rear edge of said sheet passes between said sheet feed roller and said upstream small roller by an amount that corresponds to the amount of the backlash.

Abstract: An electrostatic discharge protection system for use in connection with a pulley or sprocket of the type having a central hub portion and opposite side portions. The hub portion is electrically non-conductive and is rotatably carried on a conductive shaft. The side portions are provided with conductive portions or members. A zener diode is connected between each conductive portion and the conductive shaft to enable electrostatic charges on each side of the pulley or sprocket to be safely drained off. Electrostatic charges present on strip material drawn over a pulley, sprocket or guide are also drained with the protection system. The system is also useful in connection with fixed guides which do not rotate.

Abstract: A web feeding apparatus according to the present invention feeds in one direction a thermal transfer ribbon as a web with low transverse rigidity clamped between a platen roller and a recording head having a predetermined printing range. The web feeding apparatus comprises support members disposed on the lower-course side of the platen roller with respect to one direction and adapted to increase tension on the thermal transfer ribbon at each side edge portion thereof along one direction.

Abstract: An arrangement for wet processing webs of photographic paper includes a housing, a set of parallel driven shafts mounted in an upper portion of the housing, and a set of parallel driven shafts mounted in the lower portion of the housing. Each shaft carries first web-contacting rollers on its end portions and a group of second web-contacting rollers on its central portion. A band-engaging roller is arranged between each first roller and the corresponding group of second rollers. A first conveyor band is trained over the set of band-engaging rollers nearest one end of the respective shafts while a second conveyor band is trained over the set of band-engaging rollers nearest the other end of the respective shafts. The conveyor bands are provided with gripping elements which clamp webs of photographic paper entering the housing so that the conveyor bands can draw the webs through the housing.

Abstract: To feed a sheet of paper by use of a frictional force with the paper sheet, feed holes aligned in the direction of feeding at either edge of the paper sheet are detected by means of a feed hole detecting means located in a feed hole detecting position. An actual amount of paper feeding is measured by detecting the feed holes that pass through the feed hole detecting position, and then the amount by which the paper feeding means is to advance is adjusted according to the measured actual amount of paper feeding. Paper feeding can thereby be precisely controlled. Additionally, a paper feeding amount control circuit measures the initial phase difference between the position of a feed hole in a sheet of paper and the feed hole detecting position in the initial stage of paper feeding.

Abstract: An apparatus for removing an endless paper web folded in a large stack and for feeding the paper web to the printing unit of a high-speed printer, particularly a laser printer applying a removal force, at least above stack and in the removal direction behind the same and in front of the printing unit of the high-speed printer is positioned at least one guide roller. At least one of the guide rollers also serves as a deflection roller and for reducing the removal force and, consequently, prevent the risk of the paper web tearing. At least one deflection roller is provided with an additional continuous drive.

Abstract: A rope (21) is packed into a container (31) in such a manner as to permit easy extraction therefrom in that the rope by means of a winding head (25) is coiled with the coil center situated between the center line and periphery of the container (31). For this purpose a rope supply reel (20) is mounted on a supporting device (15) which is rotatable about a fixed vertical shaft (30). The rope (21) is pulled from the reel (20) down into the container (31) by means of the winding head (25) which is connected to the supporting device (15) for rotation with it. The winding head (25) is arranged in the space between the center line and periphery of the container, and means (30, 34-42) are provided to rotate the container (31) about its axis and at the same time axially displace the container so that layer after layer of line coils are placed upon each other.

Abstract: A dispenser for coiled sheet material which can be operated either through lever action or by a rotatable crank without modification of the dispenser. The dispenser includes a pair of cooperating feed rolls, one of which is a drive roll having a drive shaft. A gear is connected to the drive shaft through a one-way clutch mechanism and a gear segment, which is pivotally connected to the frame of the dispenser, is engaged with the gear. Connected integrally with the gear segment is a lever having a removable knob or handle which extends outwardly through the cabinet of the dispenser. By pushing downwardly on the handle the lever and gear segment will be pivoted to thereby rotate the gear and drive the feed rolls to dispense a length of sheet material. After dispensing, the lever is biased upwardly to its original position by a torsion spring.

Abstract: Strip feeding apparatus comprises a feed screw having a feeding thread on its surface. The thread is received in notches in one edge of the strip so that rotation of the screw advances the strip. Guides are provided for guiding the strip along the feed path and maintaining the strip in engagement with the thread. The thread may have a portion of each turn which causes no feeding during each revolution so that strip is fed intermittently. The feeding apparatus may be used under a wide variety of circumstances and is disclosed in conjunction with a stamping and forming or similar machine.

Abstract: A document feeding method and apparatus for frictionally (non-sprocket) feeding computer forms web having sprocket holes to the imaging station of a copier for copying, compatible with individual document sheet feeding. After automatically determining that a computer forms web rather than an individual document sheet is being frictionally fed to the imaging station the computer forms web is automatically frictionally fed incrementally in selected incremental lengths and registered to the imaging station with a controllable frictional servo-drive system without engaging the sprocket holes. A system is provided for sensing and accumulating first signals corresponding to the movement of the controllable frictional drive system, and for sensing and accumulating second signals corresponding to the number and position of sprocket holes in the computer forms web being so frictionally fed, including a system of validating sensed holes as being sprocket holes by validating hole dimensions and positions.

Abstract: A continuous web of paper has a longitudinally extending marginal part folded over onto an adjacent longitudinally extending second part of the web. The web is in tension, and the second web part has a transverse slit. During the folding step, the marginal part is folded out of the plane of the web thereby increasing the tension on the second web part. A ribbon of flexible material is disposed beneath, and conformed to the contours of, the second web part during the folding step, to absorb some of the tension on the second part so as to prevent transverse tearing from the transverse slit across the second part of the web.

Abstract: A wire drive system of the type utilizing a plurality of rollers having mutually inclined axes and adapted to planetate about a wire whereby said rollers impart a linear motion to the wire, the improvement being to impart a roller-induced vibration to the wire and to support the vibrating wire in such a way as to perpetuate such vibration as the wire is driven through a conduit system to a point of use such as a welding gun.

Abstract: A compact welding wire feed device is provided capable of being mounted directly on a welding head carriage. The device comprises a ball bearing having an inside race with tangential entrance and exit guides to the race adjacent to opposite axial ends of the bearing. A hub member has an outside diameter less than the inside diameter of the race so that the hub member can be coaxially received in the race and a welding wire passed through the entrance guide and wrapped around the hub and out the exit guide. By now side-loading or expanding the hub against the inside of the race and driving the hub rotationally, the welding wire is continuously fed out the exit guide. The coaxial relationship of the hub and race provides for a very compact structure thereby permitting mounting of the wire feed directly on a welding head carriage adjacent to a weld head or even permitting the feed wire itself to be used as an electrode in a MIG welding system.

Abstract: A hollow pressure member is provided adjacent the lower corrugating roll of a single facer to apply pressure for effecting bonding of the corrugated web and the liner web. The pressure member is provided, in the area facing the lower corrugating roll, with an arcuate surface having a curvature equal to or exceeding that of a curve extending through the tips of the flutes of the corrugating roll. The pressure member is of circumferential length at least exceeding the distance between two adjacent flutes of the corrugating roll. In one form of the invention the pressure member is provided with a plurality of threaded openings extending from its hollow interior to the arcuate surface and threaded hollow plugs are received within these openings. Each plug includes an aperture for permitting communication between the hollow interior of the pressure member and the arcuate surface thereof.

Abstract: The device for feeding yarn in a textile machine comprises a set of feed driving rollers rotating at a speed exceeding the maximum yarn processing speed in the machine, a first yarn brake downstream of the driving rollers, a first swing support upstream of the rollers, a second yarn brake and a second swing support. Each swing support includes a movable member exerting by its weight a tension against the yarn which causes the latter to engage frictionally the driving rollers. The frictional force exceeds the force of the first yarn brake and advances the yarn about a length which is sufficient to cause the moving member of the first swing support to abut against a fixed stop member so that the tension is released from the yarn and the holding friction changes to a sliding friction which is lower than the braking force of the first brake and thus stops the decoiling of the yarn.

Abstract: An apparatus for the treatment of a flexible material of great length in a treatment volume, comprising means for giving the material the form of a helix comprising several turns, means for causing this helix to progress or advance in the treatment volume by being driven by rotating supporting shafts and means for regulating the speed of entry of the material into the volume and also its speed of progression the treatment volume comprising at least two treatment chambers disposed side-by-side, the entry of the material into one chamber being substantially opposite the exit of the material from the following chamber, and means appropriate for guiding the material from one chamber to the following chamber without driving the said material, wherein said means for guiding said material are formed of a tunnel equiped with two trains of idler rollers.