Card Clothing Patents (Class 19/114)
  • Patent number: 6842947
    Abstract: A flat end head with a mounting section for the flat rod and at least one sliding surface for progressive movement on a sliding guide of a card is made of a polymer material. The polymer material may be fiber-reinforced. Further, the polymer material may include a solid lubricant. The sliding guide may also be made of a polymer material. An apparatus for replacing a flat end head on a flat rod is also provided.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: January 18, 2005
    Assignee: Maschinenfabrik Rieter AG
    Inventor: Peter Gujer
  • Patent number: 6804863
    Abstract: In porcupine clothing for textile machines, in particular combing machines, comprising a plurality of combing segments disposed one after the other in the direction of rotation of the porcupine, each combing segment being formed by successive serrated punched cut-outs with a root and with teeth that face away from the root, with the configuration of the teeth of the clothing changing in the direction of rotation, it is provided that the clothing (1), in its entirety, is embodied such that the parameters which include the distance (T) between the teeth (13) and/or the angle of engagement (E) and/or the free passage (D) between the teeth (13) and/or the height (H) of the teeth (13) change at varying angular positions seen in the circumferential direction of the clothing (1).
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: October 19, 2004
    Assignee: Staedtler & Uhl
    Inventor: Friedrich Henninger
  • Publication number: 20040154137
    Abstract: The present invention relates to a sawtooth wire for a cylinder lining, in particular for a doffer cylinder for a carding machine. In order to improve the take-over and delivery properties of the doffer cylinder to a subsequent stuffer cylinder, the sawtooth wire is implemented such that the back angle of the tooth angle of the individual teeth increases from the base to the tip of the respective tooth. Owing to this tooth design, it can be achieved that the tooth back is steep in the area of the tip of the tooth, whereby the delivery properties of the doffer cylinder to the subsequent stuffer cylinder will be improved, while the breast angle is large; this will facilitate the take-over of fibres from the main cylinder that rotates at a higher speed.
    Type: Application
    Filed: March 26, 2004
    Publication date: August 12, 2004
    Inventor: Axel Bauersachs
  • Publication number: 20040154136
    Abstract: The invention relates to fastening means (in particular to so called clothing clips) for the fastening of clothing strips on flat rods, made of light metal or light metal alloys. Thereby the fastening means are laid-out in such a manner that, when the flat rods assume their operating temperature, these are not deformed.
    Type: Application
    Filed: March 3, 2004
    Publication date: August 12, 2004
    Inventors: Jurg Bischofberger, Hans-Rudolf Lortscher, Peter Gujer, Christian Sauter
  • Patent number: 6766564
    Abstract: A device is provided for use in a carding machine having a roller with clothing, the device being for arranging opposite the clothing on the roller. The device has a flat bar, a clothing strip, and a rigid support element connected to the clothing strip and having fastening elements. The fastening elements engage the flat bar and exert pressure on the flat bar.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: July 27, 2004
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Gerd Pferdmenges
  • Publication number: 20040128800
    Abstract: A sawtooth wire for producing all-steel sawtooth clothing for the doffer and/or doffing cylinder of a carding machine with a plurality of teeth successively arranged in the longitudinal direction of the wire. Each tooth has a tooth breast beginning at the tooth bottom and extending in the direction toward the tooth tip and a tooth back that is connected with the tooth breast by two tooth flanks extending parallel to the longitudinal direction of the wire and that extends from the tooth tip in the direction of the following tooth bottom. At least one tooth flank has at least one profile segment that is located between the tooth tip and the tooth bottom and is provided with profiling.
    Type: Application
    Filed: October 8, 2003
    Publication date: July 8, 2004
    Inventor: Ralph A. Graf
  • Patent number: 6745438
    Abstract: A flat bar is provided for use in a carding machine having a roller with clothing. The flat bar is for arranging opposite the clothing on the roller. The flat bar has a flat bar support body having a recess, a clothing support having a first side, the first side being positioned in the recess, flat bar clothing attached to a second side of the clothing support, the second side being opposite the first side, and at least one fastening element that secures the first side of the clothing support in the recess.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: June 8, 2004
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Gerd Pferdmenges
  • Patent number: 6704970
    Abstract: A flat bar assembly is provided for use with a carding machine having a carding cylinder, the carding cylinder having clothing. The assembly has a flat bar, flat bar clothing attached to the flat bar, and an equalizing layer between the flat bar and the flat bar clothing. The flat bar clothing is for positioning opposite the carding cylinder clothing, and the equalizing layer fills a space between the flat bar and the flat bar clothing to compensate for distance differences between the flat bar clothing and the flat bar and to locate the flat bar clothing at a predetermined position relative to the flat bar.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: March 16, 2004
    Assignee: Trützschler GmbH & Co. KG
    Inventors: Andreas Ebenhoh, Gerd Pferdmenges, Armin Leder
  • Patent number: 6687958
    Abstract: An arrangement for a carding machine for parallel arrangement of fibers, includes a carding track; a plurality of flat bars arranged for being guided along the carding track; clothing positioned respectively on each flat bar, the clothing including clothing structure that engages in the fibers; and a mechanism for releaseably fastening the clothing to each flat bar.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: February 10, 2004
    Assignee: Hollingsworth GmbH
    Inventor: Gerhard Wurst
  • Publication number: 20030221293
    Abstract: Flat end head with a mounting section for the flat rod and at least one sliding surface for progressive movement on a sliding guide of a card said sliding guide consisting of a polymer material.
    Type: Application
    Filed: April 9, 2003
    Publication date: December 4, 2003
    Applicant: MASCHINENFABRIK RIETER AG
    Inventor: Peter Gujer
  • Publication number: 20030182765
    Abstract: A device is provided for use in a carding machine having a roller with clothing, the device being for arranging opposite the clothing on the roller. The device has a flat bar, a clothing strip, and a rigid support element connected to the clothing strip and having fastening elements. The fastening elements engage the flat bar and exert pressure on the flat bar.
    Type: Application
    Filed: March 19, 2003
    Publication date: October 2, 2003
    Applicant: TRUTZSCHLER GMBH & CO. KG
    Inventor: Gerd Pferdmenges
  • Patent number: 6604260
    Abstract: In card clothing for a textile machine comprising a plurality of adjacent spaced-apart needles or serrated punched cut-outs disposed in rows, wherein the needles or serrated punched cut-outs are stamped and accordingly have a non-rectangular cross-sectional geometry, wherein a free passage zone for the fibers being combed is formed between the spaced-apart needles or serrated punched cut-outs, it is provided that the free passage zone (A) steadily widens viewed in the direction of travel of the sliver.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: August 12, 2003
    Assignee: Staedtler & Uhl
    Inventor: Friedrich Henninger
  • Publication number: 20030070261
    Abstract: A flat bar is provided for use in a carding machine having a roller with clothing. The flat bar is for arranging opposite the clothing on the roller. The flat bar has a flat bar support body having a recess, a clothing support having a first side, the first side being positioned in the recess, flat bar clothing attached to a second side of the clothing support, the second side being opposite the first side, and at least one fastening element that secures the first side of the clothing support in the recess.
    Type: Application
    Filed: November 13, 2002
    Publication date: April 17, 2003
    Inventor: Gerd Pferdmenges
  • Patent number: 6523226
    Abstract: A sawtooth wire for producing an all-steel sawtooth arrangement for processing textile fibers has a wire body having a plurality of teeth arranged successively in the longitudinal direction of the wire body. Each tooth has a tooth bottom and a tooth tip, wherein a tooth breast extends from the tooth bottom toward the tooth tip and a tooth back starts at the tooth tip and extends toward a successive tooth bottom of the successive tooth. The tooth back of at least one of the teeth has one or more convex portions passing over into a concave portion, respectively, in a direction toward the tooth bottom.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: February 25, 2003
    Assignee: Graf + Cie AG
    Inventor: Ralph A. Graf
  • Publication number: 20030033692
    Abstract: A flat bar assembly is provided for use with a carding machine having a carding cylinder, the carding cylinder having clothing. The assembly has a flat bar, flat bar clothing attached to the flat bar, and an equalizing layer between the flat bar and the flat bar clothing. The flat bar clothing is for positioning opposite the carding cylinder clothing, and the equalizing layer fills a space between the flat bar and the flat bar clothing to compensate for distance differences between the flat bar clothing and the flat bar and to locate the flat bar clothing at a predetermined position relative to the flat bar.
    Type: Application
    Filed: August 15, 2002
    Publication date: February 20, 2003
    Inventors: Andreas Ebenhoh, Gerd Pferdmenges, Armin Leder
  • Patent number: 6408487
    Abstract: Card clothing comprises a strip of profile wire having a plurality of longitudinally aligned teeth (110) with respective overhanging tips (111). The edge-face (112) of each tooth under the overhanging tip includes at least one undercut edge-segment (114) spaced along the edge-face from the tip. This undercut edge-segment increases the retention of fibres by the edge-face during carding.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: June 25, 2002
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventor: Kenneth Ross Atkinson
  • Patent number: 6408488
    Abstract: A fiber processing machine includes a roll having a circumferential surface provided with a first clothing having clothing points; a counter member having a surface provided with a second clothing cooperating with the first clothing and having clothing points; and a device for setting a clearance between the clothing points of the first and second clothings. The device includes an arrangement for approaching the roll and the counter member to one another until the clothing points of the first and second clothings contact and for moving away the roll and the counter member from one another until the clothing points of the first and second clothings assume a desired clearance. The device further has an arrangement for emitting a signal when the clothing points of the first and second clothings contact one another.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: June 25, 2002
    Assignee: Trützschler GmbH & Co. KG
    Inventors: Armin Leder, Jürgen März
  • Publication number: 20020050027
    Abstract: A fiber processing machine includes a roll having a circumferential surface provided with a first clothing having clothing points; a counter member having a surface provided with a second clothing cooperating with the first clothing and having clothing points; and a device for setting a clearance between the clothing points of the first and second clothings. The device includes an arrangement for approaching the roll and the counter member to one another until the clothing points of the first and second clothings contact and for moving away the roll and the counter member from one another until the clothing points of the first and second clothings assume a desired clearance. The device further has an arrangement for emitting a signal when the clothing points of the first and second clothings contact one another.
    Type: Application
    Filed: October 25, 2001
    Publication date: May 2, 2002
    Inventors: Armin Leder, Jurgen Marz
  • Patent number: 6336257
    Abstract: The present invention relates to a fine-toothed combing structure of an opening roller for an open-end spining machine. The teeth of the fine-toothed combing structure have a spacing which measures at least three times the height of the teeth. The front angle should not measure more than 10°. This fine-toothed combing structure is preferably used for synthetic fibers.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: January 8, 2002
    Assignees: Fritz Stahlecker, Hans Stahlecker
    Inventor: Kurt Lang
  • Publication number: 20010037541
    Abstract: A sawtooth wire for producing an all-steel sawtooth arrangement for processing textile fibers has a wire body having a plurality of teeth arranged successively in the longitudinal direction of the wire body. Each tooth has a tooth bottom and a tooth tip, wherein a tooth breast extends from the tooth bottom toward the tooth tip and a tooth back starts at the tooth tip and extends toward a successive tooth bottom of the successive tooth. The tooth back of at least one of the teeth has one or more convex portions passing over into a concave portion, respectively, in a direction toward the tooth bottom.
    Type: Application
    Filed: March 15, 2001
    Publication date: November 8, 2001
    Inventor: Ralph A. Graf
  • Patent number: 6219885
    Abstract: The main drum diameter (D) of a card for short staple carding is reduced. The working width preferentially is enlarged. The main drum (50) can be made from fiber reinforced synthetic material. Notwithstanding its smaller diameter, the new main drum is operated at the same or a somewhat higher circumferential speed (in comparison to a conventional card).
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: April 24, 2001
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Jürg Faas, Beat Näf, Olivier Wüst, Christian Sauter, Theodor Gresser Götz
  • Patent number: 6195843
    Abstract: To improve the properties of all-steel card clothings, a saw-toothed wire is proposed with a foot portion and a plurality of teeth arranged consecutively in the lengthwise direction of the wire, the teeth issuing from the foot portion and each tooth ending in a single point, and where the interval between the points of two consecutive teeth is different from the interval between the points of other consecutive teeth.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: March 6, 2001
    Assignee: Graf & Cie AG
    Inventor: Ralph A. Graf
  • Patent number: 6185789
    Abstract: Metallic clothing having metallic wire teeth bent at a double angle. The lower portion of each tooth is angled by an first angle with respect to vertical, and the upper portion is angled at a second angle with respect to vertical. The upper portion terminates at the tip, or point, of the tooth. This double-angle tooth profile is angled in the direction opposite to the general direction of travel of fibers being carded. The upper side portion of each tooth is tapered inwardly to the tip, and the rear edge of the upper end of each tooth may be provided with a forward curvature towards the point of the tooth. Alternate embodiments include single angled teeth and a double-angled teeth, each having a base portion substantially the same height as the teeth and teeth having serrated side portions.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: February 13, 2001
    Assignee: John D. Hollingsworth on Wheels, Inc.
    Inventors: John D. Hollingsworth, Heyward O. Cannon
  • Patent number: 6170124
    Abstract: A card clothing for flats of a card with a carrier element and a plurality of card wires received with at least one received section in the carrier element, wherein each card wire has at least one processing section arranged exposed outside of the carrier element. At least in one of the card wires the received section received in the carrier element has at least the same length as the processing section which is exposed outside of the carrier.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: January 9, 2001
    Assignee: Graf + Cie AG
    Inventor: Ralph A. Graf
  • Patent number: 6101805
    Abstract: An opening roller (1) for an open-end spinning device with a rotatably seated cylindrical roller body (7) is encircled by a sawtooth card clothing, (10, 10") molded in the form of a helical coil spring essentially entirely of a commercial ceramic material, e.g., aluminum oxide, zirconium oxide, silicon carbide, silicon nitride, or a mixture thereof. The ceramic helical sawtooth card clothing may be directly positioned on the cylindrical roller body by the use of an interlocking base body of the card clothing or by friction fitting a square cross-sectional base body or the ceramic card clothing may be indirectly positioned on the cylindrical roller body by winding the helical card clothing around a support structure that surrounds the cylindrical roller body.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: August 15, 2000
    Assignee: W. Schlafhorst AG & Co.
    Inventor: Heinz-Georg Wassenhoven
  • Patent number: 6070302
    Abstract: A card clothing for cards and/or carding machines includes several coating material layers which are composed of cotton and are connected through a binding agent with each other and with an elastomer cover layer provided on one of the outer sides to form a coating material unit. The coating material layers are equipped with hooks which extend transversely of the coating material layers and extend through the coating layers in the direction toward the elastomer cover layer and protrude with their tips. For reducing the harmful influences on the carding process resulting from electrostatic charges of the coating material unit due to accumulations of fibers and/or dust in the clothing area, inhibitors which at least reduce the generation of the electrostatic charges are added in the clothing area. Embedded at least in the cover layer is an electrically conductive material which serves for discharging the frictional electricity.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: June 6, 2000
    Assignee: Graf + Cie AG
    Inventor: Ralph A. Graf
  • Patent number: 6061877
    Abstract: A roll for advancing fiber material has a roll surface provided with a sawtooth clothing which includes a plurality of teeth separated from one another by respective tooth gaps each having a gap bottom. Each tooth has a frontal flank oriented in a direction of roll rotation and a tooth point. Each tooth having a tooth height h.sub.2 measured from the roll surface to the tooth point and a tooth gap height h.sub.3 measured from the tooth gap bottom to the tooth point. The tooth height h.sub.2 and the tooth gap height h.sub.3 are small for defining a small fill volume between teeth. Each tooth has a back angle .gamma. having a magnitude of at least approximately 90.degree. and further has a large tooth division t and a large pitch P for defining a large open space about the teeth.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: May 16, 2000
    Assignee: Trutzschler GmbH & Co. KG
    Inventors: Ferdinand Leifeld, Armin Leder
  • Patent number: 6035493
    Abstract: A carding machine incorporating a train of co-operating rollers (40, 41, 42, 43, 44, 72, 73, 74, 75, 76), each roller incorporates angled forward (118) and backward (119) facing teeth and each roller rotates in the opposite direction to and with a surface speed substantially faster than its predecessor, thus causing in said train at least one slower input section (42, 43) and a faster output section (73, 74, 75, 76). The machine incorporates interleaved rings of teeth (14) in precise construction to increase the feed of fibers from the slower entry end of the train to take advantage of the (potentially) faster output of the fibers at the exit end of the train. The carding is done in a substantially rectangular manner as the fibers pass through the train. It is preferred that at least in the slower input section of the train each roller incorporates rings of forward-backward teeth (120, 121) which are integral with the special outer part (81) of the rollers (79).
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: March 14, 2000
    Inventor: William Charles Carlton
  • Patent number: 6006511
    Abstract: For a separating roll, which finds application on an open end spinning machine, the proposal is made that a spiral trim wire be preformed and precoated before the trim wire is installed upon the circumference of the roll. In this way, separating rolls of the most varying materials may be employed since the rolls themselves need not undergo the coating process. Further, the trim wire may be preformed into a spiral before fitting on the separating roll. Moreover, a process for the production of the trim wire is presented. During the process of coating, the preformed spiral windings are held at an axial distance from one another.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: December 28, 1999
    Assignee: Rieter Ingolstadt Spinnereimaschinenbau AG
    Inventors: Eberhard Hofmann, Klaus Schoberth, Christian Gobel
  • Patent number: 5996194
    Abstract: A method and apparatus for providing a soft finish on a fabric such as a suede tone, raised loops, broken loops or fleeced and for providing a faded effect such as a washed or faded denim. A fillet having a plurality of wires extending therefrom is wound on a cylinder of a finishing machine. The outer ends of the wires extending from the fillet are angled at approximately 80.degree. from vertical. The wires are covered with an abrasive coating which is applied by an arc spray system. The coating extends around the perimeter of the wire from at least just below the bend of the wires and extending to the outer tip of the wires. The fabric is driven over a nip roll that is adjusted to bring the fabric in closer contact with the wires on the cylinder which is rotating. An alternative embodiment of accomplishing the same type of soft finish such as suede or washed or faded denim finish is accomplished with multi rolls (or kiss rolls) finish machinery using the coated wire fillet on each roll.
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: December 7, 1999
    Assignee: Redman Card Clothing Company, Inc.
    Inventors: Charles F. Redman, Donnie J. Thompson
  • Patent number: 5943854
    Abstract: A multicomponent opening roll for an open end spinning apparatus includes a core piece, upon which a holder for a tooth-set carrier is fastened. The tooth-set carrier (12) must be exchangeable as is determined by operational wear. In order that the axial width of the opening roll (1) is made independent of the axial width of the tooth-set carrier (12), the core piece (11) possess an axial detent (131) for the holder (13).
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: August 31, 1999
    Assignee: Rieter Ingolstadt Spinnereimaschinenbau AG
    Inventors: Edmund Schuller, Josef Schermer, Eva-Maria Greppmair, Werner Strasser
  • Patent number: 5899057
    Abstract: For an opener roller for an open-end spinning device provided with a basic body by which it is connected to a supported shaft for rotatable support, it is proposed that the clothing be attached to the basic body via a clothing holder, whereby fasteners are used. For the fixed allocation of the clothing holder to the basic body it is provided that the attachment of the clothing holder by means of the fasteners be effected from the side of the opener roller which is facing the shaft bearing. The face of the opener roller away from the shaft covers the shaft, so that this face of the opener roller is also an even surface.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: May 4, 1999
    Assignee: Rieter Ingolstadt Spinnereimaschinenbau AG
    Inventors: Edmund Schuller, Eva-Maria Greppmair, Claus Franz
  • Patent number: 5898978
    Abstract: Metallic clothing having metallic wire teeth bent at a double angle. The lower portion of each tooth is angled by an first angle with respect to vertical, and the upper portion is angled at a second angle with respect to vertical. The upper portion terminates at the tip, or point, of the tooth. This double-angle tooth profile is angled in the direction opposite to the general direction of travel of fibers being carded. The upper side portion of each tooth is tapered inwardly to the tip, and the rear edge of the upper end of each tooth may be provided with a forward curvature towards the point of the tooth. Alternate embodiments include single angled teeth and a double-angled teeth, each having a base portion substantially the same height as the teeth.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: May 4, 1999
    Assignee: John D. Hollingsworth on Wheels, Inc.
    Inventors: John D. Hollingsworth, Heyward O. Cannon
  • Patent number: 5775086
    Abstract: An opening roller for an open-end spinning arrangement is provided on its periphery with suction openings and with a combing structure comprising teeth. Each tooth exhibits a tooth front facing the rotational direction, which tooth front forms a negative front angle relative to a radial plane extending through a tooth tip inclined backwards in the opposite direction to the rotational direction.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: July 7, 1998
    Assignees: Fritz Stahlecker, Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5755012
    Abstract: Metallic clothing having metallic wire teeth bent at a double angle. The lower portion of each tooth is angled by an first angle with respect to vertical, and the upper portion is angled at a second angle with respect to vertical. The upper portion terminates at the tip, or point, of the tooth. This double-angle tooth profile is angled in the direction opposite to the general direction of travel of fibers being carded. The upper side portion of each tooth is tapered inwardly to the tip, and the rear edge of the upper end of each tooth may be provided with a forward curvature towards the point of the tooth.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: May 26, 1998
    Inventor: John D. Hollingsworth
  • Patent number: 5709074
    Abstract: An opening roller for an open-end spinning arrangement includes a combing ring which is slipped onto a base body and supported between two clamping surfaces. The combing ring is provided with centering surfaces at the end areas of its inner circumference. It is slipped with one of the centering surfaces onto a correspondingly formed guiding surface of the base body with a light sliding fit. The other centering surface serves to center a lid-like clamping member which comprises one of the two clamping surfaces. The clamping member is preferably provided with centering ribs, whose outer contour diameter is adapted to the relevant centering surface of the combing ring. The clamping member is attached to the base body, or to a component (shaft of the opening roller) connected thereto in such a way that sufficient radial displacement for centering at the combing ring is possible.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: January 20, 1998
    Assignees: Fritz Stahlecker, Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5701637
    Abstract: A sawtooth wire for an all-steel fiber-working clothing is formed unitarily with a longitudinally extending foot having a longitudinally extending base surface and a blade extending from the foot and formed with teeth having tips. The blade tapers uniformly outward from the foot toward the tips. The teeth are symmetrical to a plane extending longitudinally and perpendicular to the base surface.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: December 30, 1997
    Assignee: Graf+Cie AG Kratzen- und Maschinenfabrik
    Inventor: Ralph Armin Graf
  • Patent number: 5685047
    Abstract: An apparatus for precisely orienting working elements, such as carding elements, to a rotating fiber-opening roller, such as a licker-in, with regard to both distancing and centering without necessitating complex adjustment mechanisms. The working element is precisely positioned by virtue of respective abutting engagement surfaces of the axle boxes or roller retainers and the carrier of the working elements.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: November 11, 1997
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Robert Demuth, Beat Naef, Werner Hirschle, Lars Weisigk
  • Patent number: 5655262
    Abstract: The invention provides apparatus for cleaning fibers by a combination of revolving rollers, including a first roller arranged to hold and collect fibers from a supply source, a second roller arranged to take off fibers from said first roller, a third roller driven faster than either of the first or second rollers and arranged to receive, expand, card and eject fibers from the second roller. At least one of the first or second rollers is provided, over the entire surface thereof, with a plurality of pointed, toothlike projections, a first quantity of the projections pointing in the direction of rotation of the roller and a second quantity of the projections pointing in the direction opposite to the direction of rotation of the roller. A fiber mass to be cleaned is divided, expanded and recombined while being successively transferred over the three rollers.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: August 12, 1997
    Assignee: MTM-Modern Textile Machines Ltd.
    Inventors: Shlomo Sterin, Moshe Kokish
  • Patent number: 5642553
    Abstract: A fiber processing apparatus includes a rotary roll carrying a clothing and having an axis and a length measured parallel to roll axis; and an imaging apparatus which has an illuminating device directing a light beam onto a surface area of the clothing, a camera for sensing the light of the surface area lit by the illuminating device and an evaluating device connected to the camera for examining reflected local light intensity changes during rotation of the roll. There is provided an arrangement for presenting to the camera consecutive areas of the clothing surface along the entire roll length and an arrangement for triggering an operation of the camera and/or the illuminating device as a function of the roll rpm.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: July 1, 1997
    Assignee: Trutzschler GmbH & Co. KG
    Inventor: Ferdinand Leifeld
  • Patent number: 5581848
    Abstract: The invention is directed to saw tooth fittings for preparatory textile machines including combing machines for wool or cotton wool and carding machines. The saw tooth fittings can be strips or saw tooth elements having a tooth or a plurality teeth including a first tip at a free end of either the tooth or each of the plurality of teeth. The tooth or each of the plurality of teeth have a forwarding combing edge which is concavely curved at least from a foot portion to a second tip of either the tooth or each of the plurality of teeth. The second tip is located between the first tip and the foot portion. The second tip extends forwardly from the combing front edge in the direction of combing thereby improving the combing effect.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: December 10, 1996
    Assignee: Staedtler & Uhl
    Inventor: Josef Egerer
  • Patent number: 5566541
    Abstract: An opening roller for an open-end spinning device is provided with a fitting of combing teeth. The fitting comprises zones with reduced, or entirely without, combing-out effect. The zones with reduced or entirely without combing-out effect are so designed and arranged relative to the combing teeth on the fitting that the fibers are combed out evenly of the sliver. A careful treatment of the fibers without a variation in yarn evenness is hereby achieved.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: October 22, 1996
    Assignee: Fritz Stahlecker
    Inventors: Fritz Stahlecker, Karl-Josef Brockmanns
  • Patent number: 5560085
    Abstract: In a needle for a needle bar or rod, the needle comprising a fastening area at its foot and above this an actively combing tip area, the needle being a stamped element and the fastening area having a recess closed or open outwards for the needle to be slipped on a support rod, the recess being non-circular or having projections or indents corresponding to the cross-section of the support rod such that the needle is disposed non-rotatably on the support rod, it is provided, with a view to convenience of replacement and simplicity of design of a needle bar, that for textile combing machines, in particular drawing equipments, for intersecting machines, feed combs, top combs, round combs or the like, the tip area is distinctly higher than the fastening area and is made approximately oval in cross-sectional shape by stamping.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: October 1, 1996
    Assignee: Staedtler & Uhl
    Inventor: Josef Egerer
  • Patent number: 5555714
    Abstract: A combing roller for use in a singling-out device of an open-end spinning machine includes a cylindrical body having a plurality of teeth formed on its outer circumference. Each of the teeth is formed by the intersection of at least one spiral circumferential groove with a number of recesses. The recesses are disposed on the circumference of the cylindrical body at an angle of up to 45 degrees relative to the direction of a force generating line which is parallel to a rotational axis of the cylindrical body.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: September 17, 1996
    Assignee: Rieter Elitex
    Inventors: Milos Mladek, Oldrich Tesar, Jaroslav Kaplan, Ladislav Pirkl, Dobroslav Musil
  • Patent number: 5542154
    Abstract: Improved connection between a revolving flat card and a drive belt. A connection between a flat rod of a revolving flat card and a flexible drive belt for the flat rods, having a flexible connecting element formed integrally with the drive belt and the connecting element being received directly in a part of the flat rod, for forming a snap-on connection, with the drive belt being arranged on a side opposite of the flat rod and including a flexible projection, with the projection being adapted for a frictional engagement, in a clampable manner, with a respective receiving element located at the ends of the flat rod.
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: August 6, 1996
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Robert Demuth, Jurg Faas, Paul Cahannes
  • Patent number: 5475898
    Abstract: Card clothing including a strip of resilient material, wire carding teeth, and a carrier web is fixed onto the surface of a carrier cylinder by locating the ends of the carrier web in a slot in the cylinder and fitting them into a U-shaped clip which extends along the slot within the cylinder.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: December 19, 1995
    Inventor: William Holdsworth
  • Patent number: 5471710
    Abstract: An apparatus for attaching working elements, such as carding elements, to a rotating fiber-opening roller, such as a licker-in, wherein the working element is attached on the axle boxes or retainers of the roller by means of an end cap at least partially encompassing the axle boxes or axle retainers.
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: December 5, 1995
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Robert Demuth, Beat Naef, Werner Hirschle, Lars Weisigk
  • Patent number: 5467505
    Abstract: A card clothing has an array of parallel elongated strips each having an inwardly directed and longitudinally extending foot part, a multiplicity of hooks extending outward from the foot part, and a pair of ends. A pair of longitudinally spaced support elements wholly out of direct contact with each other is provided, one end of each of the strips being seated in one of the support elements and the other end of each of the strips being seated in the other support element. The support elements are formed to fit with support structure of the carding machine.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: November 21, 1995
    Assignee: Graf + Cie AG Kratzen- Und Maschinenfabrik
    Inventor: Ralph Graf
  • Patent number: 5465567
    Abstract: A fiber opening device for use in a discontinuous spinning process. The opening device includes an opening roller rotatably mounted about an axis and having a cylindrical working surface which extends around the axis. Opening elements are provided around the working surface. A space is defined between an axially outermost fiber opening element and an adjacent outer edge of the cylindrical working surface. A pressure reduction opening is provided for reducing pressure in or around that space. The pressure reduction opening is arranged to urge fibers into engagement with the working surface.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: November 14, 1995
    Assignee: Carclo Engineering Group PLC.
    Inventors: Karl-Heinz Schmolke, Kenneth Lydall
  • Patent number: 5453146
    Abstract: A needle bar is made from a support member and a carrier. The needle bar can be made with a plurality of needle grooves. The bar is made by adhering the support member to the carrier. Then the support member is divided into a plurality of individual segments of predetermined length, after the support member is adhered to the carrier. Adjacent ones of the individual segments (a) can be spaced to form a gap narrower in width than the needle grooves, and (b) can have opposing edges shaped to form a concavity having a width equivalent to the needle grooves.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: September 26, 1995
    Assignee: Karl Mayer Textilmaschinenfabrik GmbH
    Inventor: Rainer Kemper