Cleaning Patents (Class 19/200)
  • Patent number: 9440262
    Abstract: Methods and apparatus for separating polysilicon powder from a mixture of granular polysilicon and polysilicon powder are disclosed. The method includes tumbling the polysilicon material in a tumbling device. The tumbling device includes a tumbler drum having one or more lifting vanes spaced apart from one another and extending longitudinally along an interior surface of the tumbler drum. The lifting vanes facilitate separation of polysilicon powder and granules as the tumbler drum is rotated about its longitudinal axis of rotation.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: September 13, 2016
    Assignee: REC Silicon Inc
    Inventor: Robert J. Geertsen
  • Publication number: 20150044373
    Abstract: A changing method includes the steps of supplying a carbon fiber material with a surface covered by a thermosetting resin oil, performing a desizing step to remove the thermosetting resin oil from the surface of the carbon fiber material, performing a surfactant coating step to coat a surfactant onto the surface of the carbon fiber material, and performing a sizing step to cover a surface of the surfactant by a thermosetting resin oil, so as to obtain a carbon fiber material with a thermosetting resin oil coated onto the surface of the carbon fiber material.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 12, 2015
    Applicant: UHT UNITECH CO., LTD.
    Inventor: CHIH-YUNG WANG
  • Patent number: 8875897
    Abstract: An apparatus for processing a sample including fibers and trash, having a cylinder rotating in a first direction for receiving the sample. The cylinder has a surface with rigid pins. The pins engage and retain the fibers of the sample. A collection surface receives the trash that falls from the cylinder. A counter-flow of air moves in a separation region between the cylinder and the collection surface in a direction that is substantially perpendicular to and towards the underside of the cylinder. The counter-flow of air has at each position within the separation region an air-flow velocity that is sufficient for the counter-flow of air to blow the fibers that are not originally retained by the pins up toward the cylinder and thereby engaging the fibers with the cylinder, and yet insufficient to prevent gravity from pulling the trash downward through the counter-flow of air.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: November 4, 2014
    Assignee: Uster Technologies AG
    Inventors: Youe-Tsyr Chu, Johnathan W. Craps, Weichang Zhao, Michael E. Galyon, Hossein M. Ghorashi
  • Patent number: 8496114
    Abstract: An apparatus for processing a sample of fibers and trash, having a cylinder for receiving the sample. Pins extend from the surface of the cylinder and retain the fibers. A knife extends along the cylinder adjacent the pins, and removes the trash that is not retained by the pins. The trash is separated from the sample along a downward direction. A counter-flow of air in an upward direction is directed towards the cylinder, where the velocity is sufficient to blow the fibers that are not originally retained by the pins up toward the cylinder, and yet is insufficient to prevent gravity from pulling the trash downward.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: July 30, 2013
    Assignee: Uster Technologies AG
    Inventors: Youe-Tsyr Chu, Johnathan W. Craps, Weichang Zhao, Michael E. Galyon, Hossein M. Ghorashi
  • Publication number: 20120324677
    Abstract: A processing line of bast fiber is provided. The processing line is comprised of various devices for carding, cutting, degumming, high temperature washing, separating and water washing, softening, drying, batching and applying oil, permeating and reconditioning, stretching-breaking carding, and combing and sorting. The processing line of bast fiber can improve production efficiency, and improve the yield of long hemp fibers. Moreover, the produced fiber has stable quality and is convenient for post-processing.
    Type: Application
    Filed: January 21, 2011
    Publication date: December 27, 2012
    Applicant: NINGBO YAK TECHNOLOGY INDUSTRIAL CO., LTD.
    Inventors: Xinmin Hao, Guojun Zhang, Mingzhai Gao, Meijun Qiu, Chao Gao, Minzhu Ning
  • Publication number: 20120297579
    Abstract: Systems and methods for removing linters from ginned cottonseeds are provided. The systems and methods involve rotating the cottonseeds in a rotatable drum having a plurality of longitudinal brushes. The centrifugal force created by the rotation of the drum and the plurality of longitudinal brushes urge the cottonseeds against an interior surface of the drum that is lined with a flexible abrasive member. In this way, work is performed that removes the linters from the cottonseeds. The linters are removed using reduced pressure and the processed seeds are removed. Other systems and methods are disclosed.
    Type: Application
    Filed: May 27, 2011
    Publication date: November 29, 2012
    Inventor: Thomas C. Wedegaertner
  • Publication number: 20120117762
    Abstract: A system and method for cleaning fiber utilizes interchangeable panels having different screen grid sizes. The panels are selectively installed on a fiber cage frame pivotally coupled to a tumbler frame for rotation of the fiber cage frame. A user selects a set of panels having a grid size suitable for a fiber to be tumbled. The selected panels are installed on the fiber cage frame and the fiber is inserted into a space within the fiber cage frame through an opening in the fiber cage frame made available by a not-yet-installed panel. The fiber cage frame is rotated after installing the final panel. The resultant tumbling thereby causes particles to fall from the tumbler cage frame. At least one installed panel is removed from the fiber cage frame, and the fiber is removed from the fiber cage frame through the resultant opening in the fiber cage frame.
    Type: Application
    Filed: November 16, 2010
    Publication date: May 17, 2012
    Inventor: George Theodore Yurkon
  • Patent number: 8171601
    Abstract: A system and method for cleaning fiber utilizes interchangeable panels having different screen grid sizes. The panels are selectively installed on a fiber cage frame pivotally coupled to a tumbler frame for rotation of the fiber cage frame. A user selects a set of panels having a grid size suitable for a fiber to be tumbled. The selected panels are installed on the fiber cage frame and the fiber is inserted into a space within the fiber cage frame through an opening in the fiber cage frame made available by a not-yet-installed panel. The fiber cage frame is rotated after installing the final panel. The resultant tumbling thereby causes particles to fall from the tumbler cage frame. At least one installed panel is removed from the fiber cage frame, and the fiber is removed from the fiber cage frame through the resultant opening in the fiber cage frame.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: May 8, 2012
    Inventor: George Theodore Yurkon
  • Patent number: 7779514
    Abstract: An apparatus for cleaning foreign matter from separated tufts of fiber uses a revolving open reel type structure mounted within a porous housing to separate a conveying air stream from tufts of fiber conveyed thereby and deliver the tufts to a toothed cleaning cylinder which passes beneath a plurality of cleaning bars. The open reel utilizes brush like outer surfaces to sweep tufts of fiber from the housing back into the air stream adjacent the cleaning cylinder.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: August 24, 2010
    Assignee: Lummus Corporation
    Inventor: Donald William Van Doorn
  • Patent number: 7774904
    Abstract: In an apparatus in spinning preparation for separating foreign objects at a roll for opening or doffing fiber material, at least one device for separating the foreign objects is associated with a face of the roll. That device comprises an arrangement for producing a current of blast air flowing onto the face for detaching the foreign objects and carrying them away. The arrangement comprises a plurality of blast nozzles arranged across the width of the roll. To permit separation and allow rapid changes of the action of the blast air current, a bar for mounting the blast nozzles is present and the outlet of the blast nozzles is locally displaceable in relation to the face of the roll.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: August 17, 2010
    Assignee: Truetzschler GmbH & Co. KG
    Inventors: Jörg Schmitz, Konrad Temburg
  • Patent number: 7730591
    Abstract: An apparatus on a carding machine has a covering comprising work and cover elements lying opposite the clothing of a high-speed cylinder. There is, in succession, an air exhaust opening for the exit of air and an opening for entry of air, past which openings a flow of fibers and air is passed. To allow improved detachment and elimination of short fibers in a simple manner, the spacing of the covering upstream of the exhaust opening is smaller than the spacing of the covering between air exhaust opening and air inlet opening and an airflow flows against the direction of rotation of the cylinder along the surface of the cylinder and flows with short fibers through the air exhaust opening.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: June 8, 2010
    Assignee: Trützschler GmbH & Co. KG
    Inventors: Nicole Saeger, Roland Friedrich, Gerhard Hensgen
  • Publication number: 20090172918
    Abstract: An apparatus for cleaning foreign matter from separated tufts of fiber uses a revolving open reel type structure mounted within a porous housing to separate a conveying air stream from tufts of fiber conveyed thereby and deliver the tufts to a toothed cleaning cylinder which passes beneath a plurality of cleaning bars. The open reel utilizes brush like outer surfaces to sweep tufts of fiber from the housing back into the air stream adjacent the cleaning cylinder.
    Type: Application
    Filed: July 7, 2008
    Publication date: July 9, 2009
    Inventor: Donald William Van Doorn
  • Publication number: 20080128044
    Abstract: Provided is a fabric having improved moisture-management performance and being resilient to repeated washing, as well as a process for manufacturing the fabric. The process, employing consecutive steps of hydrophilization and hydrophobization, includes defatting cotton or cellulose fibers and their coating with silicone nanoparticles.
    Type: Application
    Filed: December 6, 2007
    Publication date: June 5, 2008
    Inventors: Yehuda Barak, Monder Mois
  • Patent number: 6907644
    Abstract: Automatic modification of volumetric air flow in an apparatus for pneumatically feeding a spinning preparation machine, by means of fiber-flock charging shafts located upstream of individual spinning preparation machines and connected to a pneumatic fiber-transporting line, the transporting line connected by way of a fiber material feed fan to the fiber-processing machine upstream. A set of characteristic curves describing air flow is stored in a characteristic curve set element; a measurement signal for the pressure difference at the fan and values relating to rotation of the fan are ascertained in a computer unit. The computer unit determines value of the volumetric air flow from the characteristic curves. In the event of departure from a desired value for the volumetric air flow, the operating point for the speed of rotation of the fan is displaced to the desired value.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: June 21, 2005
    Assignee: Trutzschler GmbH & Co. KG
    Inventor: Robert Többen
  • Patent number: 6880206
    Abstract: A device is provided for separating out foreign particles and/or neps in a pre-carding zone and/or a post-carding zone of a carding machine having a carding cylinder. The device has at least two modules arranged opposite the carding cylinder in the pre-carding zone and/or the post-carding zone. Each module has a plurality of operating elements, the elements being arranged beside one another as seen in a circumferential direction of the cylinder. The operating elements are fixed carding elements, suctioning devices, and/or separating knives.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: April 19, 2005
    Assignee: Trützschler GmbH & Co. KG
    Inventors: Gerd Pferdmenges, Robert Pischel
  • Patent number: 6865781
    Abstract: In a method at a spinning preparation machine, for example a cleaner, opener, carding machine or the like, for cleaning fiber material, especially cotton, an examination of the nature of the trash is carried out, which examination is used for adjustment of at least one adjustable cleaning element, for example a separating blade, cleaning grid or the like. In order to make possible improved and undisrupted production by simple means, the optimum adjustment of the at least one cleaning element for a specific fiber batch is stored in a memory of an electronic control and regulation device and, when the same fiber batch is processed again, the optimum adjustment of the cleaning element is implemented automatically.
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: March 15, 2005
    Assignee: Trutzchler GmbH & Co. KG
    Inventor: Fritz Hösel
  • Patent number: 6848149
    Abstract: The invention relates to a method and a device for identifying and expelling foreign material in a stream of fibres consisting of compressed textile fibres. To provide a method and a device which continuously check the stream of fibres in industrial use also at high speeds, the checking conditions being constant over a long period, the stream of fibres is compressed in portions (62), driven by positive fit, optically detected and inspected for the presence of foreign material. The device has at least one roller-shaped element (14, 15) provided with teeth (21, 22) for engagement in the stream of fibres, between which teeth (21, 22) light-transmitting elements (23, 24) are arranged.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: February 1, 2005
    Assignee: Uster Technologies AG
    Inventor: François Baechler
  • Publication number: 20040216279
    Abstract: Automatic modification of volumetric air flow in an apparatus for pneumatically feeding a spinning preparation machine, by means of fibre-flock charging shafts, located upstream of individual spinning preparation machines and connected to a pneumatic fibre-transporting line, the transporting line connected by way of a fibre material feed fan to the fibre-processing machine upstream.
    Type: Application
    Filed: February 3, 2004
    Publication date: November 4, 2004
    Applicant: Trutzschler GmbH & Co. KG
    Inventor: Robert Tobben
  • Publication number: 20040134038
    Abstract: An apparatus (1) and method for fibre processing, in particular, for opening and drafting fibres. The apparatus includes a device (2) having a series of pins (7) coupled to a drive mechanism (8) and arranged for sequential insertion in a feed path (6) along which the fibres are passed, the mechanism being arranged to increase the relative speed between the pins after insertion, to open and draft the fibres.
    Type: Application
    Filed: November 14, 2002
    Publication date: July 15, 2004
    Inventors: Thurlow Russell, Ruby May Russell, John David Leeder, Anthony John Maule Belfield, William Lenard Emerson, Robert David Beard
  • Patent number: 6721998
    Abstract: A fiber processing machine includes a roll having a direction of rotation and a clothing for carrying thereon fiber material; a cover partially circumferentially shrouding the roll; an air passage opening provided in the cover; an air guiding element bordering the air passage opening; a support for movably holding the air guiding element for varying a distance between the roll and the air guiding element; a pressure sensor for measuring a static pressure between the cover and the roll; and an arrangement for setting a position of the air guiding element as a function of the pressure measured by the pressure sensor.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: April 20, 2004
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Robert Többen
  • Publication number: 20040025302
    Abstract: A SPME-fiber cleaning and conditioning apparatus and method having an elongated heating chamber with first and second opposite ends. The first end is capable of insertably receiving a SPME fiber portion of a SPME device, and the second end is a fluid outlet. A heater is provided for heating the chamber and heat-treating an inserted SPME fiber. Contaminants and other particles are agitated, desorbed and purged from the inserted SPME fiber by flowing a fluid through the chamber from the first end to the second end, away from the SPME device. Additionally, turbulence may be produced in the flow at a location adjacent the first end, to enhance agitation, desorption, and purging. A holder may also be provided extending from the first end for supporting the SPME device in a substantially horizontal orientation when the SPME fiber is positioned in the chamber.
    Type: Application
    Filed: April 22, 2003
    Publication date: February 12, 2004
    Applicant: The Regents of the University of California
    Inventors: Armando Alcaraz, Michael H. Wiefel
  • Patent number: 6675443
    Abstract: A device for use with a fiber processing machine is provided. The device has a rotating cylinder, a fiber material feeding device that feeds fibers to the cylinder, an air duct that extends essentially tangential to the cylinder in a fiber-removal zone, an airflow creating device coupled to the air duct and creating an airflow in the air duct, and at least two adjustable airflow adjustment elements arranged inside the air duct in the fiber-removal zone.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: January 13, 2004
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Michael Vitz
  • Patent number: 6668425
    Abstract: A fiber cleaning device is provided for use with a carding machine having a rotating clothing cylinder, a housing surrounding the cylinder, and an opening in the housing for removing impurities. The device has a separating knife with a knife edge for locating in the opening and directed counter to a rotational direction of the cylinder, and a pressure regulating element installed downstream, in the rotational direction of the cylinder, of the separating knife. The pressure regulating element is for adjusting a pressure between the housing and the cylinder such that fiber material accumulation on the knife edge is promoted.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: December 30, 2003
    Assignee: Trützschler GmbH & Co. KG
    Inventors: Achim Breuer, Rolf Kamphausen
  • Publication number: 20030217439
    Abstract: A plant for removing fines from fiber fluff. The plant includes a forming wire, a forming head which is placed above the forming wire and arranged for air-laying fiber fluff into a layer upon the forming wire, at least one channel for carrying, in a flow of air, fibers from a supply of fibers into the forming head, a suction box placed beneath the forming wire, at least one vacuum fan connected to the suction box for generating an air flow from the forming head, through the fluff, the forming wire, and the suction box to the at least one vacuum fan. The mesh count of the forming wire mainly allow only the fines contained in the fluff to pass through the forming wire. The troublesome and costly filtering of the water used in a hydroentangling process is advantageously eliminated when using fluff, which is freed from fines by means of the plant according to the invention. Air-laid webs produced of the fine-free fibers also have a high quality.
    Type: Application
    Filed: June 16, 2003
    Publication date: November 27, 2003
    Inventor: Jens Ole Brochner Andersen
  • Patent number: 6615454
    Abstract: In the cleaning of cotton, flax and kenaf and related materials in the ginning process there is typically a loss of cotton in the saw type lint cleaner. Amounts lost here are typically in the range of about 20 pounds per 500 pound bale. The present invention is directed to the inclusion of an additional saw cylinder in the saw type lint cleaner for the purpose of separating the cotton out of the rejected fiber from the passage through the first saw tooth lint cleaner. The additional saw is doffed by the same brush cleaner that doffs the primary saw cylinder.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: September 9, 2003
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: William S. Anthony
  • Patent number: 6615455
    Abstract: A fiber opening device comprising a feed section opening into the fiber opening section. The opening section includes a cabinet with an inner chamber, a waste removal chamber and a fiber web removal unit. The inner chamber includes a doffing roll and a contaminant collecting area located above first and second opening rolls. A main roll is located beneath and between the opening rolls and a waste removal section and a fiber web removal section are located beneath the main roll. In operation, fibers delivered into the inner chamber are first acted on by primarily one of the opening rolls which creates a tumbling action in which contaminants are dislodged and deposited into the contaminant receiving area while other fibers are picked up by the second opening roll carried to and doffed onto the main roll forming a fiber web for delivery to the fiber web removal section.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: September 9, 2003
    Inventor: Akiva Pinto
  • Publication number: 20030159252
    Abstract: A device for use with a fiber processing machine is provided. The device has a rotating cylinder, a fiber material feeding device that feeds fibers to the cylinder, an air duct that extends essentially tangential to the cylinder in a fiber-removal zone, an airflow creating device coupled to the air duct and creating an airflow in the air duct, and at least two adjustable airflow adjustment elements arranged inside the air duct in the fiber-removal zone.
    Type: Application
    Filed: January 23, 2003
    Publication date: August 28, 2003
    Inventor: Michael Vitz
  • Patent number: 6584650
    Abstract: A system and method are provided for cleaning fiber. Included is a structure with a basket pivotally coupled thereto. The basket is adapted for receiving fiber therein. In use, particles are removed from the fiber upon rotation of the basket. In another embodiment, a system and method are provided for cleaning fiber utilizing just a basket for receiving fiber therein, and a blower for blowing the fiber in the basket to remove particles therefrom.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: July 1, 2003
    Inventors: Victoria I. Pettigrew, Stephen H. Pettigrew
  • Publication number: 20030115720
    Abstract: An apparatus (1) and method for fibre processing, in particular, for opening and drafting fibres. The apparatus includes a device (2) having a series of pins (7) coupled to a drive mechanism (8) and arranged for sequential insertion in a feed path (6) along which the fibres are passed, the mechanism being arranged to increase the relative speed between the pins after insertion, to open and draft the fibres.
    Type: Application
    Filed: November 13, 2002
    Publication date: June 26, 2003
    Inventor: Tomohiro Nakagawa
  • Patent number: 6568037
    Abstract: A carding machine includes a main carding cylinder having a cylinder surface carrying a cylinder clothing thereon; a licker-in cooperating with the cylinder for transferring fiber material, including long and short fibers, from the licker-in to the carding cylinder; a doffer cooperating with the carding cylinder for transferring fiber material from the carding cylinder to the doffer; a cylinder cover extending circumferentially underneath the carding cylinder between the licker-in and the doffer; a force-exerting arrangement for applying, to the short fibers, a removing force greater than a retaining force exerted on the short fibers by the cylinder clothing carrying the fiber material; a waste outlet opening provided in the cylinder cover for discharging short fibers from the fiber material carried by the cylinder clothing; a suction hood coupled to the waste outlet opening for receiving the short fibers from the waste outlet opening.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: May 27, 2003
    Assignee: Trützschler GmbH & Co. KG
    Inventors: Armin Leder, Robert Többen
  • Patent number: 6557214
    Abstract: The instant invention is directed to an arrangement for forming a stable fiber web having high loft and high resilience. The arrangement includes a cabinet receiving opened and blended fibers connected with a fiber web forming chute which receives the opened and blended fibers from the cabinet. The forming chute includes a first and second wall and fiber contacting elements which assist in urging the fibers through and out an exit of the chute in an evenly distributed condition while forming the fiber web. The fiber contacting elements include a fiber inter-engaging device associated with at least one of the first and second walls, said inter-engaging device acting said outer fibers causing these fibers to inter-engage creating a stable outer surface over the fiber web.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: May 6, 2003
    Inventor: Akiva Pinto
  • Patent number: 6553630
    Abstract: A fiber processing system includes a first roll; a feed tray forming a feeding device with the first roll and defining a clamping location therewith for clamping and advancing fiber material; a second roll cooperating with the feeding device for taking over the fiber material therefrom at a transfer location on the second roll; a third roll cooperating with the second roll for taking over the fiber material from the second roll; and an adjusting arrangement for varying a distance between the clamping and transfer locations. The adjusting arrangement includes a pivoting device for arcuately displacing the second roll about the rotary axis of the first or the third roll; and a shifting device for displacing the feeding device toward or away from the third roll.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: April 29, 2003
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Bernhard Rübenach
  • Patent number: 6543091
    Abstract: Disclosed are methods and apparatus for stripping petals from cotton balls. In one embodiment, the cotton stripper includes an impacter for at least partially opening the cotton balls, a first cleaning mechanism to discard petals removed by the impacter, and a cotton separator for removing the remaining petals from the cotton balls. In one embodiment, the cotton separator includes a first large roller, which receives and traps the at least partially opened cotton balls from the first cleaning mechanism. The at least partially opened cotton balls rotate with the first large roller toward a first net. Petals on the cotton balls are stripped off by the first net. Petals removed by the first net fall toward the bottom of the cotton separator. A first small roller then removes the first stripped cotton balls from the first large roller. Processed cotton balls are then stored in an output area.
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: April 8, 2003
    Assignee: Society for Research and Initiatives (SRISTI)
    Inventor: Mansukhbhai Baldevbhai Patel
  • Patent number: 6539586
    Abstract: A fiber processing machine includes a first roll having a circumferential surface carrying a first clothing; a second roll having a circumferential surface carrying a second clothing and adjoining the first roll for taking over fiber material carried by the first roll as the first and second rolls rotate; a nip defined between the first and second clothings at a location where the first and second clothings are closest to one another; a bight defined by a generally triangular area immediately adjoining the nip and bounded by an end thereof and by circumferential length portions of the first and second clothings extending away from the nip end; and a cutting edge positioned in the bight and cooperating with one of the rolls for separating impurities from the fiber material as the fiber material is carried past the cutting edge by the roll clothing.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: April 1, 2003
    Assignee: Trutzschler GmbH & Co. KG
    Inventors: Gerd Pferdmenges, Markus Schmitz
  • Patent number: 6516497
    Abstract: A fiber processing machine includes a clothed roll entraining fiber material thereon; a roll cover circumferentially partially surrounding the roll and defining an annular clearance therewith; a transfer opening provided in the roll cover for admitting fiber material to the roll; a waste discharge opening provided in the roll cover for removing waste from the clearance; a fiber removal opening provided in the roll cover downstream of the waste discharge opening as viewed in the direction of roll rotation; an arrangement for generating an air stream for doffing fiber material from the roll and for discharging doffed fiber material through the fiber removal opening; an arrangement for varying a strength of the air stream at the fiber removal opening; and an arrangement for varying the extent of waste removal through the waste discharge opening.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: February 11, 2003
    Assignee: Trützschler GmbH & Co., KG
    Inventors: Christoph Färber, Robert Többen
  • Publication number: 20020189053
    Abstract: An opening machine for separating the fibres from intermingled impurities in cotton tufts comprises a storage bin into which cotton tufts to be processed are introduced, and an opening cylinder associated with cleaning blades for separating the impurities from the fibres and with suction openings for removing the impurities and the fibres separately. The opening machine comprises a pre-opening roller for performing a preliminary opening of the tufts. The cotton material is withdrawn from the bin by feed rollers, is processed by the pre-opening roller, and is introduced into a chamber in the form of pre-opened tufts. A final feed roller withdraws the tufts from the chamber and supplies them to the opening cylinder. The final feed roller works at a withdrawal rate greater than that of the feed rollers to prevent accumulation of the tufts in the chamber.
    Type: Application
    Filed: May 16, 2002
    Publication date: December 19, 2002
    Applicant: MARZOLI S.P.A.
    Inventors: Giovanni Battista Pasini, Emilio Vezzoli
  • Publication number: 20020166211
    Abstract: A fiber processing machine includes a clothed roll entraining fiber material thereon; a roll cover circumferentially partially surrounding the roll and defining an annular clearance therewith; a transfer opening provided in the roll cover for admitting fiber material to the roll; a waste discharge opening provided in the roll cover for removing waste from the clearance; a fiber removal opening provided in the roll cover downstream of the waste discharge opening as viewed in the direction of roll rotation; an arrangement for generating an air stream for doffing fiber material from the roll and for discharging doffed fiber material through the fiber removal opening; an arrangement for varying a strength of the air stream at the fiber removal opening; and an arrangement for varying the extent of waste removal through the waste discharge opening.
    Type: Application
    Filed: May 6, 2002
    Publication date: November 14, 2002
    Inventors: Christoph Farber, Robert Tobben
  • Patent number: 6477741
    Abstract: A fiber processing machine includes a clothed roll having a surface for entraining fiber material thereon; a housing at least partially surrounding the clothed roll and conforming to the roll surface; a separating opening provided in the housing and extending along and adjacent a circumferential portion of the roll for receiving waste material thrown from the roll; a waste conduit leading from the separating opening for carrying waste material away from the roll; a camera adjoining the conduit for capturing pictures of the waste material flowing therein; and an electronic image processing device connected to the camera.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: November 12, 2002
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Fritz Hösel
  • Patent number: 6460223
    Abstract: An apparatus for forming a non-woven fiber web of fibrous material which includes a mixing chamber from which the blended fibers are fed into the fiber web forming chute where they are formed into a fiber web. The web forming chute includes a packing belt and a vibrating assembly each driven at selected speeds to compact the fibers into a fiber web of desired density. Volume dependent controls within the web forming chute act to control the rate of the feed rolls and the beater roll while weight or density dependent controls outside the web forming chute act to control the rate of the packing belt, the vibrating assembly and the size of the fiber web forming chute.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: October 8, 2002
    Inventor: Akiva Pinto
  • Patent number: 6421884
    Abstract: An arrangement for forming non-woven fiber fabrics or webs having high resilience and loft with substantially equal fiber orientation in all directions and substantially equal fiber density throughout. The arrangement includes a fiber web forming chute having upper and lower walls arranged in a substantially upright position. Each of the upper and lower wall includes a fiber movement assist mechanism which acts to assist movement of the fibers toward the exit end of the forming chute in a manner which assists in the control of the fiber orientation and the density of the fiber web being formed. The arrangement further includes an air flow mechanism which directs an air flow through the forming chute during the forming operation. The air flow may or may not be treated.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: July 23, 2002
    Inventor: Akiva Pinto
  • Patent number: 6421883
    Abstract: A flock transportation device with a switching device for the flock stream includes a monitoring apparatus which detects the degree of contamination of the fiber material. The monitoring apparatus includes an evaluation device which determines the cleaning requirements of the detected material and which controls the switching device accordingly. A flock processing installation is contemplated with several transportation paths which comprise different treatment characteristics. Additionally, the flock processing installation can be controlled by way of a central control systems.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: July 23, 2002
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Christoph Stäheli, Jürg Faas, Ulf Schneider
  • Publication number: 20020078532
    Abstract: A fiber processing machine includes a clothed roll having a surface for entraining fiber material thereon; a housing at least partially surrounding the clothed roll and conforming to the roll surface; a separating opening provided in the housing and extending along and adjacent a circumferential portion of the roll for receiving waste material thrown from the roll; a waste conduit leading from the separating opening for carrying waste material away from the roll; a camera adjoining the conduit for capturing pictures of the waste material flowing therein; and an electronic image processing device connected to the camera.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 27, 2002
    Inventor: Fritz Hosel
  • Patent number: 6389646
    Abstract: A system and method are provided for cleaning fiber. Included is a structure with a basket pivotally coupled thereto. The basket is adapted for receiving fiber therein. In use, particles are removed from the fiber upon rotation of the basket. In another embodiment, a system and method are provided for cleaning fiber utilizing just a basket for receiving fiber therein, and a blower for blowing the fiber in the basket to remove particles therefrom.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: May 21, 2002
    Inventors: Victoria I. Pettigrew, Stephen H. Pettigrew
  • Publication number: 20020038494
    Abstract: A fiber processing machine includes a first roll having a circumferential surface carrying a first clothing; a second roll having a circumferential surface carrying a second clothing and adjoining the first roll for taking over fiber material carried by the first roll as the first and second rolls rotate; a nip defined between the first and second clothings at a location where the first and second clothings are closest to one another; a bight defined by a generally triangular area immediately adjoining the nip and bounded by an end thereof and by circumferential length portions of the first and second clothings extending away from the nip end; and a cutting edge positioned in the bight and cooperating with one of the rolls for separating impurities from the fiber material as the fiber material is carried past the cutting edge by the roll clothing.
    Type: Application
    Filed: September 28, 2001
    Publication date: April 4, 2002
    Inventors: Gerd Pferdmenges, Markus Schmitz
  • Patent number: 6342083
    Abstract: A filter device (4) for a cheese-producing textile machine (1) having a plurality of pneumatic devices, e.g., open-end spinning devices (2), service units (3), etc. The filter device (4) has negative pressure filter chambers (6, 6′), each divided via a closure mechanism (9, 9′) into a main filter chamber (7, 7′) and a reserve filter chamber (8, 8′), and an intermediate chamber (14), to which a negative pressure source (5) is connected. Closable suction openings (12, 12′) and (13, 13′) in the main and reserve filter chambers, respectively, are connected with the intermediate chamber. The suction openings (12, 12′) and (13, 13′) are equipped with respective closure elements (15, 16) and (15′, 16′) which are functionally coupled such that, upon closure of one suction opening (12 or 12′), the other suction opening (13 or 13′) is automatically opened.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: January 29, 2002
    Assignee: W. Schlafhorst AG & Co.
    Inventor: Michael Spitzer
  • Publication number: 20020004970
    Abstract: An arrangement for forming non-woven fiber fabrics or webs having high resilience and loft with substantially equal fiber orientation in all directions and substantially equal fiber density throughout. The arrangement includes a fiber web forming chute having upper and lower walls arranged in a substantially upright position. Each of the upper and lower wall includes a fiber movement assist mechanism which acts to assist movement of the fibers toward the exit end of the forming chute in a manner which assists in the control of the fiber orientation and the density of the fiber web being formed. The arrangement further includes an air flow mechanism which directs an air flow through the forming chute during the forming operation. The air flow may or may not be treated.
    Type: Application
    Filed: May 10, 2001
    Publication date: January 17, 2002
    Inventor: Akiva Pinto
  • Patent number: 6327745
    Abstract: A fiber processing assembly includes a fiber processing machine having an inlet and an outlet; an arrangement for introducing fiber material into the fiber processing machine through the inlet; a fiber opening and cleaning machine having an inlet and an outlet and being disposed underneath the fiber processing machine; and an arrangement for advancing the fiber material from the fiber processing machine to the fiber opening and cleaning machine substantially solely by gravity.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: December 11, 2001
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Christian Franke
  • Patent number: 6298522
    Abstract: A fiber processing machine includes a generally vertically oriented feed chute having an upper portion and a lower portion; a device for introducing fiber material into the upper chute portion; a clothed fiber opening roll supported for rotation in the lower chute portion; a withdrawing roll adjoining the opening roll and supported for rotation for drawing fiber material in the feed chute and for forwarding the fiber material to the opening roll; an optical sensor system supported above the opening roll laterally of the feed chute for detecting foreign material carried on the clothing of the opening roll along with the fiber material; an air stream generating device for directing an air blast to the clothing of the opening roll; and a control-and-regulating device for operating the air stream generating device upon detecting foreign material by the optical sensor system to remove and carry away the foreign material from the clothing of the opening roll by an air blast.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: October 9, 2001
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Bernhard Rübenach
  • Patent number: 6276028
    Abstract: A system for forming a non-woven fabric with high resilience and high loft in a continuous process comprising first and second carding systems arranged in parallel carding fibers from a first and second fiber supply, a doffer associated with each carding system for removing the carded fibers, a transport associated with each doffer for transporting the carded and doffed fibers to a pair of independent blending and feed chutes. A housing associated with the blending and feed chutes receiving the carded and blended fibers for further blending, and a feed roll within the housing and adjacent discharge end of each blending and feed chute for withdrawing the fibers delivering them into the housing for further opening and blending. A beater roll removing the further opened and blended fibers from the housing into a chute for forming non-woven fabrics. Here the fibers are compacted into a non-woven fabric having high loft and resilience.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: August 21, 2001
    Inventor: Akiva Pinto
  • Patent number: 6260239
    Abstract: An apparatus for making a fiber lap from a mass of fiber tufts includes a generally vertically extending feed chute having relatively wide first and second walls facing one another and relatively narrow third and fourth walls facing one another. The distance between the third and fourth walls defines the width of the feed chute. Each first and second wall has a mid region and flanking edge regions. The first and/or second wall is provided with air outlet openings in a bottom region. The apparatus further has a device for charging the feed chute with fiber tufts at a top portion thereof, and a device for withdrawing the fiber tufts from the feed chute as a fiber lap at a bottom portion of the feed chute. A plurality of side-by-side arranged elements are positioned in a series on the first wall at a bottom portion thereof along the wall width. The distance between any given element and the second wall defines the depth of the feed chute at the given element.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: July 17, 2001
    Assignee: Trützschler GmbH & Co. KG
    Inventor: Bernhard Rübenach