Patents Assigned to ANDRITZ ASSELIN-THIBEAU
  • Patent number: 11946180
    Abstract: Needling machine intended to consolidate, by needling, a web of fibres, in particular a sheet of non-woven fabric, comprising a series of needle-field boards, each board having at least one respective needle field projecting from one face, called the needle face, of the board, means for making the web of fibres move in front of the needles of the boards of the series of boards and means for moving the needles back and forth in a direction transverse to the movement of the web, such that they pass through the web of fibres passing in front of them in one direction and then the other, the series of needle-field boards comprising at least a first board comprising a first needle field and a second board comprising a second needle field, the first needle field being arranged on the needle face of the first board according to a first needle face pattern and the second needle field being arranged on the needle face of the second board according to a second needle face pattern, characterised in that the first needle
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 2, 2024
    Assignee: Andritz Asselin-Thibeau
    Inventors: Frédéric Demange, Pierre-Emmanuel Labaume
  • Patent number: 11891738
    Abstract: Device for transferring and/or introducing a fibre web, in particular a nonwoven web, into a consolidation installation, in particular one that is mechanical or hydraulic, for example a needle loom, comprising at least one transfer element comprising at least one roller (12), at least one saber (16) and an endless belt (13) extending between an upstream end and a downstream end so as to wrap around the roller at the upstream end and the saber at the downstream end, the at least one roller being arranged so as to drive the endless belt in rotation, and the at least one saber giving the downstream end of the belt the shape of a corner or lip, the at least one endless belt (13) being modular and consisting of links in the form of transverse strips that are articulated to one another, characterised in that the endless belt (13) consists of a plurality of sub-belts extending parallel to one another.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: February 6, 2024
    Assignee: Andritz Asselin-Thibeau
    Inventor: Frédéric Demange
  • Patent number: 11885046
    Abstract: Apparatus for forming a fibre mat, in particular a non-woven mat, comprising a fibre web-forming device, for example a card, a cross-tapper and a device for drafting the fibre web(s) disposed between the web forming device and the cross-lapper in order to draft the fibre web(s), in particular in a time-varying, specifically periodic manner, to thereby adjust a predetermined desired profile of the fibre mat leaving the cross-lapper, the web-forming device comprising at least one output belt (1, 2) for at least one web (5, 6), and preferably two output belts (1, 2) for two webs (5, 6), an upper and lower web respectively; wherein the cross-hipper has an input belt (7) for receiving the web(s) from the output belt(s) of the web forming device, characterised in that the arrangement is such that the path of the web, or of the at least one web, and preferably of the two, upper and lower, webs, between the output belt(s) of the web-forming device, in particular the card, and the input belt of the cross-lapper includ
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: January 30, 2024
    Assignee: Andritz Asselin Thibeau
    Inventors: Jean-Christophe Laune, Hugues Leroy, Frédéric Noelle
  • Patent number: 11505885
    Abstract: A needling device to consolidate a fleece. The device including at least one needle plate with an array of needles; at least one column with its longitudinal axis rigidly connected to the at least one needle plate; drive systems; a sealed housing; and at least one guide pot. The drive systems are configured to impart to the at least one column a to and fro motion so that the needles follow an elliptical path to pass through, in one direction then the other, the fleece that passes in front of it in the machine drive direction to consolidate it. The sealed housing containing part of the column and drive systems and wherein the at least one guide pot is fitted in an opening in the sealed housing and oscillates in relation to an axis of oscillation perpendicular to the longitudinal axis and the machine drive direction.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 22, 2022
    Assignee: ANDRITZ ASSELIN-THIBEAU
    Inventors: Frédéric Demange, Eric Potdevin
  • Patent number: 11499256
    Abstract: A needling machine to consolidate a fleece. The machine includes one or more needle plates having an array of needles; one or more columns coupled to the needle plates; and driving means configured to impart an elliptical to and fro motion to each needle plate so that the needles pass first in one direction, then the other, over the fleece passing before it in the machine. The machine further comprising a sealed housing enclosing part of each column and driving means; and one or more guide pots within the sealed housing. Each driving means including a longitudinal driving means imparting to each column a straight to and fro motion. Each needle plate oscillates in relation to each respective column. The driving means further comprise transverse driving means imparting to a point on each needle plate a to and fro motion essentially parallel to the machine direction.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 15, 2022
    Assignee: ANDRITZ ASSELIN-THIBEAU
    Inventors: Frédéric Demange, Eric Potdevin, Jean-Christophe Laune
  • Patent number: 11421362
    Abstract: Needle machine comprising at least one needle plate, from which projects an array of needles, means for imparting an elliptical, reciprocating motion to the needles and at least one support table drilled with an array of through holes, or which it is intended to pass in a direction MD, being supported on it, a fabric or web of fibres to be consolidated by needling, the each executing an elliptical, reciprocating motion in the respective through holes, each having an upper respective opening on the fabric support side, a lower respective opening on the opposite side and an inner sidewall extending between the two upper and lower openings, characterised in that each hole is machined so that there is a longitudinal section with a greater dimension MD in which the upper respective opening of the hole has a greater dimension in the direction MD and, in this longitudinal section of greater dimension MD, the inner sidewall of the hole is defined, at least in its upper region, by two left and right lines inclined to
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: August 23, 2022
    Assignee: ANDRITZ ASSELIN-THIBEAU
    Inventors: Frédéric Demange, Jean-Christophe Laune
  • Patent number: 10100447
    Abstract: An installation for consolidating a batt of fibers, for example a nonwoven web, includes a mechanical consolidation workstation using needlepunching from which the fiber batt emerges in a machine or MD direction. A device is provided downstream of the consolidation workstation for stretching in the cross or CD direction which is transverse, in particular perpendicular, to the machine direction, and parallel to the plane of the batt, particularly before it is wound onto a reel. A consolidated nonwoven that can be obtained by the installation is also provided.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: October 16, 2018
    Assignee: ANDRITZ ASSELIN-THIBEAU S.A.S.
    Inventors: Jean-Christophe Laune, Hugues Leroy