EP2817443A2 - Procédé de production d'un rembourrage synthétique - Google Patents

Procédé de production d'un rembourrage synthétique

Info

Publication number
EP2817443A2
EP2817443A2 EP13711826.1A EP13711826A EP2817443A2 EP 2817443 A2 EP2817443 A2 EP 2817443A2 EP 13711826 A EP13711826 A EP 13711826A EP 2817443 A2 EP2817443 A2 EP 2817443A2
Authority
EP
European Patent Office
Prior art keywords
fibre
filaments
dtx
fibres
duvets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13711826.1A
Other languages
German (de)
English (en)
Inventor
Lennart LARSEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Larsen Production ApS
Original Assignee
Larsen Production ApS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Larsen Production ApS filed Critical Larsen Production ApS
Publication of EP2817443A2 publication Critical patent/EP2817443A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/26—Formation of staple fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/18—Separating or spreading
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/061—Load-responsive characteristics elastic

Definitions

  • the present invention concerns a method for producing fibre fill for use as filling material in clothing, sleeping bags, pillows and duvets and of the kind indicated in claim 1.
  • the method according to the invention is peculiar in that the fibre rope is divided into fibre bundles or fibre cords with a relatively large number of fibres or filaments of the magnitude 200-2000 pes, and then passing a gluing or welding unit, e.g. an ultrasound welding head, performing a punctiform gluing or welding together of the filaments spaced apart about 6-20 mm, the bundles subsequently passing a cutter or scissors which e.g. is controlled synchronously with the welding head and which shortens the filaments into lengths of about 6-20 mm, after which the shortened fibre down is either packed in shipping bales or are used directly for blowing into pillows or duvets as filling.
  • a gluing or welding unit e.g. an ultrasound welding head
  • the method according to the invention is suitably executed in such a way that tubular filaments or fibres with 1-9 holes and with a fibre thickness of 0.9 - 30 dtx are used, preferably about 0.9 - 7 dtx.
  • the method according to the invention can be executed in such a way that solid filaments or fibres with a fibre thickness of 0.9 - 30 dtx are used, preferably about 0.9 - 7 dtx.
  • Fig. 1 shows a sketch of an embodiment of a very simplified facility according to the invention for opening/spreading polymeric fibres or filaments;
  • Fig. 2 shows a view of an embodiment of a comb with a number of twisted tubes having internal grooves
  • Fig. 3 shows a much enlarged view of some finished fibre down
  • Fig. 4 shows a system of curving rods for spreading out fibre rope to bundles of fibres with e.g. 200-2000 fibres or filaments.
  • Fig. 1 shows a much simplified facility 2 for making polymeric fibre down from a fibre rope 3 which is supplied in a cardboard packing containing about 40 kg of a fibre rope 3 with 30,000 - 80,000 fibres or filaments with a thickness of 0.9 - 30 dtx.
  • the fibre rope 3 is drawn up from the cardboard packing and moved over a system of curving rods 6 (Fig. 4) with the intention of spreading out the fibre rope 3 in fan shape to a wide fibre cloth 8 (Fig. 4) which via rollers 10 is moved to a comb 12 with a large number of teeth 14 (of which only four are shown in Fig. 2).
  • the teeth 14 divide the fibre cloth 8 into fibre bundles, each containing, for example, 200-2000 fibres which are gathered in a circular tube 16 tapering from an inlet opening 13 and running twistedly towards an outlet 15 with a diameter of about 1 mm.
  • the shown circular tubes 16 alternatively can have any desired cross-sectional shape - four-edged or polygonal.
  • the shown embodiment for a comb 12 is connected with the circular tubes 16 which in the direction of movement of the fibre rope 3 have a length of about 50-70 mm and which have a decreasing diameter and an internal groove towards the outlet 15 so that the fibre rope 3 leaves the circular tube 16 as a very thin intertwined fibre rope 3.
  • the shown insertion openings 13 are funnel-shaped and twisted, i.e. the fibre rope 3 is immediately compressed before being further intertwined - e.g. with 3-4 twists per centimetre - at the passage through the grooves of the circular tube towards the central outlet 15.
  • the twisted fibre bundles are moved from the outlet 15 as a fibre cord through a gluing or spot welding unit 18, e.g. an ultrasound welding unit, by which a punctiform bonding or welding is performed on each fibre bundle with a spacing of about 6 - 20 mm.
  • a gluing or spot welding unit 18 e.g. an ultrasound welding unit, by which a punctiform bonding or welding is performed on each fibre bundle with a spacing of about 6 - 20 mm.
  • the cords or fibre bundles pass through a cutting unit 20 (knife or scissors) which cuts the fibre bundles into lengths of about 6-20 mm into actual fibre down 22, which is shown e.g. on Fig. 3.
  • the fibre down 22 formed thereby will still be gathered in a tight shape, which subsequently will entail that the fibre down 22 by blowing into duvets or pillows afterwards, at the earliest, will "open up” and get its final shape which is very like natural down because the punctiform welds are similar to the pointed end of the down.
  • the fibre down 22 thus produced can either be packed into shipping bales or be used for directly blowing into duvets or pillows where the "opening up" itself of the fibre down occurs in connection with the blowing; in other words, the produced polymeric fibre down 22 will have appreciably less volume until it "experiences" a blowing operation for the first time, after which the fibre down 22 is provided a larger volume corresponding to natural down.
  • Decitex is actually an indication of fibre thickness (titer) as dtx is the weight in grams of a fibre or filament of 10,000 metres, i.e. 9 dtx means that 10,000 metres of fibre weighs 9 grams.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bedding Items (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

La présente invention se rapporte à un procédé permettant de produire un rembourrage synthétique destiné à être utilisé comme matériau de rembourrage dans des vêtements, des sacs de couchage, des coussins et des duvets à partir d'un câble en fibres (3) qui contient, par exemple, entre 30 000 et 80 000 fibres ou filaments ayant une épaisseur qui varie entre 0,9 et 30 dtx, le câble en fibres (3) étant divisé en faisceaux de fibres ou en cordes en fibre qui comprennent un nombre relativement important de fibres ou de filaments allant de 200 à 2 000 pièces, déterminé par le dtx des filaments, et qui passe ensuite une unité de collage ou de soudage (18), par exemple une tête de soudage aux ultrasons, qui effectue le collage ou le soudage punctiforme des filaments, espacés sur une distance allant d'environ 6 à 20 mm, les faisceaux passant, par la suite, un dispositif de coupe ou des ciseaux (20) qui, par exemple, sont commandés de manière synchrone avec la tête de soudage (18) et qui raccourcissent la longueur des filaments sur une distance allant d'environ 6 à 20 mm ; après quoi, le duvet de fibres raccourci (22) est soit conditionné dans des balles de transport, soit est utilisé directement pour être soufflé pour obtenir des coussins ou des duvets comme matériau de remplissage. De manière surprenante, il est apparu que les duvets de fibres polymères artificiels ainsi produits semblent être un matériau de remplissage très perfectionné qui peut garder de façon continue une bonne capacité de remplissage et revenir de façon continue à leur état d'origine au moment du soufflage.
EP13711826.1A 2012-02-24 2013-02-22 Procédé de production d'un rembourrage synthétique Withdrawn EP2817443A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201270086 2012-02-24
PCT/DK2013/050048 WO2013123949A2 (fr) 2012-02-24 2013-02-22 Procédé de production d'un rembourrage synthétique

Publications (1)

Publication Number Publication Date
EP2817443A2 true EP2817443A2 (fr) 2014-12-31

Family

ID=47996958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13711826.1A Withdrawn EP2817443A2 (fr) 2012-02-24 2013-02-22 Procédé de production d'un rembourrage synthétique

Country Status (6)

Country Link
US (1) US20150007924A1 (fr)
EP (1) EP2817443A2 (fr)
JP (1) JP2015510052A (fr)
KR (1) KR20140135995A (fr)
CN (1) CN104136673A (fr)
WO (1) WO2013123949A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364107B (zh) * 2020-03-24 2021-05-25 苏州经结纬面料科技有限公司 一种用于制备仿羽绒的装置及制备方法
CA3222998A1 (fr) * 2021-06-17 2022-12-22 Robert Dempsey Amas de fibres de rembourrage et leurs procedes de fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7808658A (pt) * 1977-06-08 1979-08-14 Rhone Poulenc Textile Material de guarnicao para artigos estofados,processo para a obtencao de tal material e artigos texteis estofados obtidos a partir deste processo
JPS57205564A (en) * 1981-06-08 1982-12-16 Kuraray Co Padding matirial and method
US7261936B2 (en) * 2003-05-28 2007-08-28 Albany International Corp. Synthetic blown insulation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013123949A3 *

Also Published As

Publication number Publication date
WO2013123949A3 (fr) 2013-11-14
JP2015510052A (ja) 2015-04-02
US20150007924A1 (en) 2015-01-08
CN104136673A (zh) 2014-11-05
KR20140135995A (ko) 2014-11-27
WO2013123949A2 (fr) 2013-08-29

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