EP1537266A1 - Maillage forme d'un reseau de mailles de bandelettes en matiere synthetique - Google Patents

Maillage forme d'un reseau de mailles de bandelettes en matiere synthetique

Info

Publication number
EP1537266A1
EP1537266A1 EP03790534A EP03790534A EP1537266A1 EP 1537266 A1 EP1537266 A1 EP 1537266A1 EP 03790534 A EP03790534 A EP 03790534A EP 03790534 A EP03790534 A EP 03790534A EP 1537266 A1 EP1537266 A1 EP 1537266A1
Authority
EP
European Patent Office
Prior art keywords
bands
weft
ribbons
small
threads
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Withdrawn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
EP03790534A
Other languages
German (de)
English (en)
Inventor
Friedrich Landertshamer
Zoltan Ezer
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.)
LANDERTSHAMER, FRIEDRICH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1537266A1 publication Critical patent/EP1537266A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material
    • 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
    • D10B2401/04—Heat-responsive characteristics
    • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
    • 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
    • D10B2505/00—Industrial
    • D10B2505/10—Packaging, e.g. bags

Definitions

  • the invention relates to a knitted fabric in the form of a mesh made of plastic ribbons, in which the fringed ribbons are formed into stitches, which form loops around weft ribbons.
  • Mesh networks of this type have been used for over 30 years from stretched film tapes made of polyolefins, mostly polyethylene for packaging purposes, in particular for fruit packaging, in the form of bags made from them, but also for other technical applications. From the structure of the known mesh networks described, which allow a change in the mesh shape and thus also the mesh length or mesh width under the action of tension, there is a partially uncontrollable expansion possibility of the mesh network in different directions. When cutting from larger webs, the mesh network is frayed or partially dissolved, which is why the aim is to produce the mesh networks as wide as possible in each case.
  • the mesh networks are not suitable for use in semi or fully automatic packaging machines and in particular for use in small packs to be produced in such machines, although there is a great need in this area in particular for sufficiently strong, easily produced air-permeable packaging.
  • Common dimensions of the stretched film tapes are in the order of 1 or 1.5 mm with a thickness of z. B. over 20 ⁇ . It is known to achieve stabilization in the case of heavy nets made of plastic material intended for other uses, in that heat-sealing is carried out by fusing at crossover points in woven or knitted fabrics made from threads.
  • a welding sword is installed in a weaving machine for this purpose, which welds the correspondingly thick weft thread in cooperation with a support with the warp threads after each weft.
  • Welded, woven network structures made of plastic yarns are also known from US Pat. No. 6,020,275.
  • DE 297 08 146 U1 relates to a knitted, very stable network that is used, for example, as a safety net for holding luggage in motor vehicles.
  • the warp and weft threads are each made up of several fibers or filaments or made from yarn, ribbons or ropes at all, and it is provided that at least some of the threads use two production materials (fibers) with different melting temperatures, so that at heating to the lower melting temperature and at the same time pressing the lower melting material acts as a binder.
  • the object of the invention is therefore to improve a mesh network of the type mentioned in such a way that undesired stretching, warping and other deformations are avoided during its use and in particular when used in packaging machines, the cutting and also the closure of manufactured packaging is simplified and if necessary a smoother printable surface can be achieved without significantly increasing the manufacturing effort compared to the known mesh networks.
  • the object is achieved in a knitted fabric of the type mentioned in that the fringe and / or the weft ribbon by one or more separate with the fringe or weft ribbon or thin threads, z. B.
  • the melting or heat sealing temperature is lower than the melting temperature of the other weft or fringed ribbon and the mesh by pressing at this lower melting or heat sealing temperature of the moving, binder-forming ribbon or threads is fixed in itself.
  • the number of additional ribbons or threads used in the fringe or weft can be varied and, for example, the additional ribbons can run along one or both sides of the fringe or weft ribbon provided by the manufacturer , The same applies to the cross-sections in the case of moving ribbons or threads.
  • the intended pressing creates fused or sealed connections at all crossing or contact points in which the running tapes or threads are involved.
  • the mesh is also smoothed by the pressing and can also be printed better than known meshes of the type in question.
  • different variants are possible depending on the materials used and on the pressing pressure used and the pressing duration in accordance with the respective requirements.
  • the production material is currently intended to produce both the fringe tapes and the weft tapes from high-pressure polyethylene (HDPE) and for the additional tapes or threads also a corresponding material with a low melting or heat-sealing point, e.g. B.
  • HDPE high-pressure polyethylene
  • HDLPE high density polyethylene
  • the more temperature-resistant parts give the mesh the necessary stability or strength, even if the moving ribbons are melted to form the sealing points.
  • other suitable plastic materials can also be used for the production of the mesh network.
  • Fig. 1 shows schematically a partial view of a device used to form the fringe mesh
  • Fig. 2-4 three variants of a mesh according to the invention in detailed views before the pressing and welding process.
  • a fringe band 4 is formed on the device shown there from two tapes 1, 1a, which run through a common thread guide 5, by means of the driven crochet-like knitting device 6. These fringe ribbons 4 are combined by weft ribbons 3 to form a mesh network.
  • the fringe ribbons 4 formed from the two ribbons 1, 1 a are fed through a simply fed ribbon 2, which is guided as a weft ribbon 3 is united to the mesh network.
  • the fringe band 2 is also assigned a supplementary band 2a, which then forms the weft band 3 together with the band 2.
  • a fringe ribbon 4 is formed only from the ribbons 1, whereas the ribbons 2, 2a form the weft ribbon 3.
  • the tapes 1 and 2 have a higher melting temperature than the tapes 1a, 2a.
  • the tapes were stretched from a primary film made of HDPE or HLPE with a thickness of 70 ⁇ and a width of 2.8 mm to a width of 1.8 mm and a thickness of 25 to 30 ⁇ .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)

Abstract

L'invention concerne un maillage formé d'un réseau de mailles de bandelettes en matière synthétique (1, 2), où des bandes à franges (1) forment des mailles (4) qui constituent elles-mêmes des boucles autour de bandelettes terminales (2). Les bandes à franges (1) et/ou les bandelettes terminales (2) sont chacune complétée par un ou plusieurs rubans (1a, 2a) ou fils, par ex. des monofilaments fins, séparés et couplés aux bandes à franges ou terminales (1, 2), la température de fusion ou de scellage à chaud de ces fils ou rubans étant inférieure à la température de fusion des autres bandes à franges ou terminales (1, 2). Le réseau de mailles est ensuite fixé par pression à la température de fusion ou de scellage à chaud des rubans (1a, 2a) ou fils couplés formant des liants.
EP03790534A 2002-08-27 2003-08-21 Maillage forme d'un reseau de mailles de bandelettes en matiere synthetique Withdrawn EP1537266A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0127802A AT412096B (de) 2002-08-27 2002-08-27 Gewirke in form eines maschennetzes aus kunststoffbändchen
AT12782002 2002-08-27
PCT/AT2003/000239 WO2004020721A1 (fr) 2002-08-27 2003-08-21 Maillage forme d'un reseau de mailles de bandelettes en matiere synthetique

Publications (1)

Publication Number Publication Date
EP1537266A1 true EP1537266A1 (fr) 2005-06-08

Family

ID=31192780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03790534A Withdrawn EP1537266A1 (fr) 2002-08-27 2003-08-21 Maillage forme d'un reseau de mailles de bandelettes en matiere synthetique

Country Status (5)

Country Link
EP (1) EP1537266A1 (fr)
AT (1) AT412096B (fr)
AU (1) AU2003257222A1 (fr)
DE (1) DE20320830U1 (fr)
WO (1) WO2004020721A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006110A1 (de) * 2005-02-10 2006-08-17 Rkw Ag Rheinische Kunststoffwerke Gewirktes Netz zur Umhüllung von Rundballen sowie Verfahren und Vorrichtung zur Herstellung desselben
FR2893638A1 (fr) * 2005-11-08 2007-05-25 Paul Riedel Brise-vent souple renforce faisant disparaitre le vent dans l'air du vent,capable d'eliminer l'electricite statique ou de constituer une surface chauffante
FR2893035A1 (fr) * 2005-11-08 2007-05-11 Paul Riedel Dispositif mince, souple et durable pour reduire les desagrements de la vitesse du vent en transformant son energie cinetique en frottements internes
GR1005797B (el) * 2006-03-09 2008-01-30 ������������ ������������� ������������ �.�. Κατασκευη δικτυων απο συνθετικα νηματα και μιχινα
PL2027320T3 (pl) 2006-06-06 2016-06-30 Karatzis S A Siatka i sposób wytwarzania siatki
AT507415B1 (de) 2009-01-16 2010-05-15 Landertshamer Friedrich Maschennetz aus bändchen
ITVI20090036A1 (it) * 2009-02-25 2010-08-26 Retificio Padano S R L Rete per la raccolta delle olive e di frutta caduca in genere.
US8784967B2 (en) 2009-10-09 2014-07-22 Volm Companies, Inc. Open mesh material and bags made therefrom
DE102012010256B4 (de) 2012-05-25 2015-10-08 Spanset Inter Ag Zugaufnahmemittel
DE102016125601A1 (de) * 2016-12-23 2018-06-28 Karatzis S.A. Industrial & Hotelier Enterprises Netz mit Unterstützungsfaden
US11047068B2 (en) 2017-03-03 2021-06-29 Ezer Vision L.L.C. Variable color or texture expression knitting, weaving, and laminating system, method and fabric
DE102017127321A1 (de) * 2017-11-20 2019-05-23 Karatzis S.A. Industrial & Hotelier Enterprises Warn-Schutzzaun

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH582097A5 (fr) * 1973-09-26 1976-11-30 Adolff J F Ag
DE2706930A1 (de) * 1977-02-18 1978-08-24 Mayer Fa Karl Textilmaschine, insbesondere kettenwirkmaschine mit langschusseinrichtung
AU619076B2 (en) * 1989-02-22 1992-01-16 Schlegel Corporation Warp lock wire carrier
US5104714A (en) * 1989-11-30 1992-04-14 Tama Plastic Industry Elastic plastic netting made of oriented strands
DE29708146U1 (de) * 1997-05-07 1997-06-26 Theodor Preuss GmbH & Co. KG, 76698 Ubstadt-Weiher Netz
AT407406B (de) * 1997-07-17 2001-03-26 Teufelberger Gmbh Rundballennetz

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004020721A1 *

Also Published As

Publication number Publication date
AT412096B (de) 2004-09-27
WO2004020721A1 (fr) 2004-03-11
ATA12782002A (de) 2004-02-15
DE20320830U1 (de) 2005-03-31
AU2003257222A1 (en) 2004-03-19

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