Patents Examined by Bradley Kurtz DeSandro
  • Patent number: 4972563
    Abstract: A yarn texturing machine having an air jet for combining and texturing at least two yarns to form a single textured yarn, which includes respective yarn feed and drawing devices for each yarn. To provide good control of the yarns in the low tension region upstream of the jet the drawing devices are positioned relative to the jet and each other so that the yarns travelling to the jet travel along straight, spaced yarn paths which converge at the jet at an angle of between 70.degree. and 50.degree., and lie in a plane inclined at between 60.degree. and 90.degree. to the axis of the jet. After the jet the textured yarn is passed upwardly then downwardly over a setting heater located above the jet and then to a wind-up mechanism disposed beneath the jet.
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: November 27, 1990
    Assignee: Rieter Scragg Limited
    Inventor: Martin J. Wheeler
  • Patent number: 4969243
    Abstract: A process and apparatus for shrinking and smoothing single layer or tubular textile material where the material is first pre-shrunk by conveyance along a first curved path through a heated curved pull-in gap formed by a guide shoe and a pull-in conveyor roller. The material is then conveyed along a second curved path, curved oppositely to the first curved path, and then to a compaction zone formed by cooperation between a smoothing conveyor and a shrinkage conveyor belt. The size of the pull-in gap and the speed of the pull-in conveyor may be varied in order to achieve a variation in the residual shrinkage of the material.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: November 13, 1990
    Assignee: Santex AG
    Inventor: Christian Strahm
  • Patent number: 4969244
    Abstract: An apparatus and method is disclosed for monitoring depletion of yarn from a textile warp beam wherein yarn actually remaining on the beam is measured radially with respect to the beam, compared with a preselected radial dimension of yarn desired to remain on the beam when the machine is stopped for beam replacement, and machine operation is stopped when the measured radial dimension of yarn equals the predetermined radial dimension of yarn. An analog inductive proximity switch is supported at the periphery of yarn wound about the beam to measure the radial dimension between the switch and the beam by producing an electrical current output proportional to such dimension. A comparator circuit compares the switch output with a reference current selected to correspond to the current output of the switch when at the preselected radial dimension of yarn at which machine operation is to be stopped.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: November 13, 1990
    Assignee: Guilford Mills, Inc.
    Inventors: Majid Moghaddassi, Arne Nielsen
  • Patent number: 4967457
    Abstract: An arrangement for stretching thermoplastic fibers of synthetic polymers, particularly polypropylene, polyester or polyamide, for producing high strength yarns,comprises a delivery mechanism for delivering fibers, a stretching mechanism for stretching fibers, and a plurality of heated rollers arranged between the delivery mechanism and the stretching mechanism for deviating the fibers and means for applying to the fibers a force which is opposite to a direction of movement of the fibers, none of the rollers being driven and at least one of said rollers is provided with a brake, the fibers passing around the rollers without slippage.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: November 6, 1990
    Assignee: Neumustersche Maschinen-und Apparatebau GmbH (Neumag)
    Inventors: Arnold Beck, Gerald Borst, Dieter Ahrendt, Herbert Peters
  • Patent number: 4965918
    Abstract: Textiles fabrics are guided with a sufficient lead between two essentially parallel revolving conveyor belts, and blowing nozzles and suction nozzles are alternately arranged above and below the conveyor belts so that one blowing nozzle lies respectively opposite each suction nozzle so as to enable air to be sucked through the fabric and impact a sinusoidal shaped curve to the fabric between the conveyor belts, the conveyor belts vibrating at least in sections and the vibrations being transmitted to the crests of the textile fabric, mutual spacing of the conveyor belts and the associated blowing and suction nozzles, the vibration frequency, and the speed of the conveyor belts being adjustable to the properties of the fabric being treated, such as weight, moisture content and air permeability.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: October 30, 1990
    Assignee: MTM Obermaier GmbH
    Inventor: Berthold Magin
  • Patent number: 4965917
    Abstract: An improved textile bobbin cleaning system for removing fiberglass remnants, rovings, yarn, waste or the like from a textile fiber spool, core or bobbin in order that same may reused to store or rewind with new textile fibers, threads, yarn or the like. The invention utilizes an endless indexing conveyor system which aligns bobbins which need to be stripped of remnant fibers before a geared oscillating water jet cutting system which hydraulically cleans the bobbins by cutting the fiber remnants. A pneumatic clamping system has the flexibility and utility to secure bobbins of different design and dimension for the hydraulic stripping action. In addition, a sealed waste conveyor carries away the fibrous waste designed to eliminate waste accumulation on the conveyor mechanism and removes the cuttings for disposal. Also a bobbin removal conveyor is provided for which removes processed and cleared bobbins from the cleaning area to be packaged for transporting for further bobbin usage.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: October 30, 1990
    Inventor: John H. Ferguson
  • Patent number: 4962576
    Abstract: In a process in which a non-woven strip is needled to a revolving endless carrier web, adjacent convolutions of the non-woven strip should exactly adjoin each other. For that purpose each convolution of the non-woven strip is initially needled to the carrier web with the exception of a marginal portion, which constitutes a free longitudinal edge, and that marginal portion is needled after the position and direction of the free longitudinal edge have been detected.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: October 16, 1990
    Assignee: Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft
    Inventors: Klaus Minichshofer, Peter Muller, Hannes Pum
  • Patent number: 4959893
    Abstract: The disclosure is directed to an apparatus for preshrinking fabric which in various forms moves a web of shrinkable material through a nip like configuration and usually by compression reduces the webs potential shrinkage a predetermined amount.More particularly there is shown a system for heating fabric at a controlled temperature by utilizing the normally associated steam heat source of the apparatus which usually functions to dampen the fabric prior to treatment as provided for in the present invention on the one hand along with a heated oil supply which is disposed in a chamber of the shrinking unit to thusly provide an additional heat source for the fabric to facilitate shrinkage or other treatment of the fabric.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: October 2, 1990
    Inventor: Frank Catallo
  • Patent number: 4955114
    Abstract: An apparatus for causing the shrinking of a cloth, comprising a revolving drum, an endless-loop belt wound around said drum, a return roller which causes said endless belt to adhere to said drum, a flexible sheet partially winding around the belt and the return roller and entering a portion between said drum and said belt wound around the drum, and guide means for guiding the cloth to be processed, in which apparatus the ratio of the diameter of the return roller to the thickness of the belt is such as to cause an improved compacting effect on the cloth.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: September 11, 1990
    Assignee: Sperotto Rimar S.p.A.
    Inventor: Franco Bertoldo
  • Patent number: 4956140
    Abstract: In accordance with the instant invention, biaxially oriented polymer sheet is produced by continuously forging polymer feedstock between a pair of converging belts in an isochoric deformation region to form the sheet from the feedstock. The resulting sheet is immediately annealed after being formed and subsequently cooled after being annealed by passage through an isobaric region defined by a pair of opposed parallel belts backed by a pair of opposed parallel platens which interface with the belts via an oil seal so as to transfer heat from the sheet through the belts to the cooled platens. The resulting sheet has substantially uniform strain distribution over the width and length thereof as well as through the thickness thereof while maintaining its flatness after emerging from the apparatus.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: September 11, 1990
    Assignee: Aluminum Company of America ALCOA Laboratories
    Inventors: Rolf Rolles, Darral V. Humphries
  • Patent number: 4953271
    Abstract: An intermingling nozzle for filaments and yarns is described. The intermingling nozzle comprises a reedlike side by side arrangement of alternate yarn channel and closing plates. In the yarn channel plate sides adjoining the closing plates, grooves are formed as yarn channels and perpendicularly thereto as blowing channels. The closing plates are rotatable with respect to the yarn channel plates, specifically between an open position, in which they give access to the yarn channels to allow yarns to be inserted, and a closed position, in which they cover up the yarn channels. The intermingling nozzle is suitable in particular for intermingling high-count yarns, for example for reinforcing fabrics and tire cords.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: September 4, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Wellenhofer, Ingolf Jacob, Josef Geirhos
  • Patent number: 4949438
    Abstract: A tenter clip is disclosed having a jaw which is pivotally mounted in an intermediate portion on an upper member of a housing which extends inwardly over a lower plate wherein repair of the wear points is facilitated by providing a central bushing pressed into the jaw for receiving a pin upon which the jaw is pivoted. An outwardly extending fixed controller is carried by a depending gripping portion of the jaw, and a transverse slot opens in a lower edge of the gripping portion removably receiving a gripping blade.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: August 21, 1990
    Assignee: Marshall and Williams Company
    Inventor: Hans H. Richter
  • Patent number: 4949440
    Abstract: An apparatus for processing yarn, comprising yarn supply packages for supplying a yarn. First and second feed rolls and a take-up roll are provided for delivering the plied yarn from the supply package onto a take-up package. An air-jet is positioned between the first and second feed rolls for inserting short, spaced-apart entangled segments into the plied yarn as the plied yarn moves past the air-jet at a predetermined speed. The air-jet comprises an enclosure having a yarn entrance and a yarn exit and a nozzle for directing a stream of pressurized air into the enclosure and against the plied yarn while the plied yarn is moving through the enclosure. The nozzle moves past the enclosure at substantially the same surface speed as the yarn is moving through the enclosure whereby the stream of pressurized air impacts a short, discrete segment of yarn while the segment of yarn is within the enclosure.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: August 21, 1990
    Assignee: Belmont Textile Machinery Co., Inc.
    Inventors: Kurt W. Niederer, Edward L. Hand, Edwin R. Grose
  • Patent number: 4947529
    Abstract: An expander for tubular fabric is described having roller arrangements provided left and right in a frame for flat spreading of the tubular fabric, whereby each roller arrangement has a driven drive roller, which bears on the inside of a guide roller around which the tubular fabric is laid. The drive roller in turn is supported by a support roller also arranged on the inside. Thus, a trouble-free transport of the tubular fabric in the expander is assured by the drive roller's position between the guide roller and the support roller.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: August 14, 1990
    Assignee: Lindauer Dornier Gesellschaft mbH
    Inventors: Strudel Werner, Oliver Hostenkamp
  • Patent number: 4945618
    Abstract: A yarn treating jet is modified to locate a baffle at the outlet end of the jet. The baffle is positioned a fixed distance above the central axis of the jet and away from the outlet end of the jet such that the yarn and air follow the lower surface of the baffle to a point where the yarn leaves the baffle.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: August 7, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Adly A. Gorrafa
  • Patent number: 4944078
    Abstract: A size viscosity controller for a slasher, for controlling the viscosity of the size circulated within the sizing vat of the slasher. The viscosity of the size is maintained at a desired viscosity by controlling heat supply units on the basis of the deviation of the measured temperature of the size from a desired temperature so that the size is maintained at the desired temperature and, at the same time, regulating the concentration of the size by supplying wet heat, such as steam or hot water, to the size or heating the size by dry heat, such as heat generated by an electric heater, to regulated the concentration of the size.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: July 31, 1990
    Assignee: Tsudakoma Corp.
    Inventor: Kiyoshi Nakade
  • Patent number: 4944077
    Abstract: The invention relates to a winding machine, in particular a warping or beaming machine, in which yarns are drawn off a bobbin creel at high speed. To reduce the air friction of the yarns and to improve the removal of fiber contaminating material, there is provided an arrangement for accelerating the air which surrounds the yarns. In addition it is possible to provide an extractor hood with which the air is sucked out of the region of the winding unit and recirculated to the said arrangement.
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: July 31, 1990
    Assignee: Benninger AG
    Inventor: Manfred Bollen
  • Patent number: 4941241
    Abstract: The invention relates to a warp machine for warping and spooling warp threads, particularly elastic or viscous warp threads. The warp machine according to the present invention includes a warp beam or parallel warp beam for taking up the warp thread and which is mounted to be rotationally driven about a rotary axis and which consists of a cylindrical spool element preferably having two lateral, flange-like warp beam discs. In addition, the machine is equipped with a compression element which is preferably movably mounted in an essentially radial direction to the warp beam which engages between the warp beam discs, and which presses the warp thread against the spool element.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: July 17, 1990
    Assignee: Hans Affupper Textilmaschinenbau GmbH
    Inventor: Hans Affupper
  • Patent number: 4941242
    Abstract: The nozzle comprises a plurality of parts which define between them a thread-treating passage and which are movable relative to each other for opening and closing the thread-treating passage to enable insertion of a thread. The thread-treating nozzle preferably comprises only two nozzle parts movable relative to each other. One nozzle part comprises a plate-like element which is elastic when subjected to the degree of deformation required to permit adjustment thereof to make face-to-face sealing contact. Mechanical elements capable of effecting uniform face-to-face sealing contact press the two nozzle parts together in the closed state. Examples of such mechanical elements are levers and springs.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: July 17, 1990
    Assignee: Rieter Machine Works, Ltd.
    Inventor: Werner Nabulon
  • Patent number: 4941239
    Abstract: This disclosure describes a method by which an edge curl that often develops in papermachine forming fabrics can be reduced or eliminated. The method requires the removal of mass from the sheet forming side of the forming fabric. This has the effect of reducing the ratio between the shrink forces acting on the two sides of the forming fabric in the cross-machine direction and, in turn, reduces the tendency for shrinkage to cause the edges of the fabric to curl. Papermachine operational problems associated with edge curl are thereby reduced.
    Type: Grant
    Filed: February 14, 1987
    Date of Patent: July 17, 1990
    Assignee: Albany International Corporation
    Inventor: Thomas A. Fliss