EP1239073B1 - Procede de raccordement de les de tissu a trois dimensions doue de proprietes electromagnetiques - Google Patents

Procede de raccordement de les de tissu a trois dimensions doue de proprietes electromagnetiques Download PDF

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Publication number
EP1239073B1
EP1239073B1 EP02290431A EP02290431A EP1239073B1 EP 1239073 B1 EP1239073 B1 EP 1239073B1 EP 02290431 A EP02290431 A EP 02290431A EP 02290431 A EP02290431 A EP 02290431A EP 1239073 B1 EP1239073 B1 EP 1239073B1
Authority
EP
European Patent Office
Prior art keywords
veils
fabric
joining
process according
lengths
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.)
Expired - Lifetime
Application number
EP02290431A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1239073A1 (fr
Inventor
Didier Lucas
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.)
EURO-SHELTER
Original Assignee
EURO-SHELTER
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 EURO-SHELTER filed Critical EURO-SHELTER
Publication of EP1239073A1 publication Critical patent/EP1239073A1/fr
Application granted granted Critical
Publication of EP1239073B1 publication Critical patent/EP1239073B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H5/00—Seaming textile materials
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material

Definitions

  • the technical field of the present invention is that of tissues and more particularly methods of connecting two tissue webs.
  • connection mode becomes important because it can reduce or cancel the intrinsic properties of this fabric.
  • the connection mode becomes important because it can reduce or cancel the intrinsic properties of this fabric.
  • the electrical continuity of the fabric is not ensured by the conventional bonds mentioned above.
  • this kind of fabric has the characteristic of having a three-dimensional structure and the seam causes the stop of the electrical continuity and thus the loss of the electromagnetic protection properties.
  • FR-E-95308 discloses a method of manufacturing a fabric having several layers of weft yarns in combination with warp yarns to produce a multilayer fabric.
  • a method for connecting two fabric webs is described. For this, we stop the weaving of sixteen levels and reduces the number of levels to obtain along a band a lower thickness.
  • this document does not provide for the use of three-dimensional woven wire or means for ensuring electrical continuity.
  • FR-2745690 discloses a protective clothing against electromagnetic radiation.
  • This garment is made by means of an electrically conductive fabric disposed between an inner envelope and an outer envelope. This garment is made so that there is no interruption of electrical conductivity in the sewing or assembly areas of the different strips.
  • the fabric used in this patent is not a metal wire weave fabric in three dimensions and it is not clearly described in this method patent for connecting two fabric strips having electromagnetic protection properties.
  • US-6068009 discloses a mobile shelter covered with a fabric having electromagnetic protection properties.
  • This patent describes a method of connecting two strips constituting the covering of the shelter and having electromagnetic protection properties.
  • the connection method is to wind into one another the ends of the two strips to be assembled and sew them together.
  • Such a method can not be applied to a woven fabric in three dimensions because it has the disadvantage of generating an extra thickness at the connection.
  • it does not allow the connection of two strips whose outer surface is not electrically conductive.
  • the object of the present invention is to provide a method of connecting two fabric strips providing electrical continuity as well as electromagnetic attenuation.
  • the invention therefore relates to a method for connecting two multilayer fabric webs according to claim 1.
  • the means of binding is a single or multiple seam connecting the sails of the two adjacent strips.
  • the connecting means is applied between the two webs of both.
  • the connecting means is constituted by a slide fastener interposed between the webs of the two adjacent strips.
  • each web may have at the free edge three webs free two-dimensional fabric interposed between them.
  • each lé has two free sails interposed between them one of which has two dimensions and the other three dimensions.
  • each lé has five two-dimensional sails interposed between them.
  • the invention also relates to a method of electromagnetic protection of a mobile technical shelter or a tent, characterized in that an envelope is produced which matches the outer shape of the technical shelter or the tent by means of several fabric webs. having electromagnetic protection properties by assembling them together by a connection method as described above.
  • a first advantage of the above according to the invention lies in the ability to fabricate any length of tissue while maintaining its electromagnetic attenuation properties.
  • Another advantage of the invention lies in the preservation of the strength properties of the fabric.
  • Yet another advantage lies in the simplicity of connection of the different fabric webs using the existing weaving machines, thus without any obligation to modify these machines.
  • Another advantage lies in the flexibility of the bond thus produced, close to that of the unitary tissues.
  • the fabric which is to be joined together several strips so as to obtain a large width is manufactured on existing machines. The need to connect these strips is required as soon as it is desired to cover large areas.
  • the length of the lé can be adjusted according to the demand but it is not the same of its width since it depends on the weaving machine used.
  • the mode of binding is important when the fabric has electromagnetic properties since they must be preserved for a fabric regardless of its size. Indeed, the fabric consisting of several strips assembled together may constitute an open structure allowing the magnetic field to interfere with the devices that we want to protect, if the connection between the strips does not ensure electrical continuity and the electromagnetic attenuation.
  • the fabrics according to the invention are fabrics having three dimensions, that is to say that the weaving is performed along the three directions of space to confer the electromagnetic properties as explained by the applicant in an earlier patent application. .
  • the web 1 comprises a first web 3 with two dimensions and a second web 4 with three dimensions.
  • the web 2 comprises, along its free edge, a two-dimensional web 5 and a three-dimensional web 6.
  • the fabric shown in this figure has three layers woven together in a structure three-dimensional. This weaving presents no difficulty because it suffices to stop the 3D weaving on a sufficient width in the vicinity of the free edge for a layer while continuing for the other two layers.
  • 3D weaving consists of inserting a wire following the three directions of the space during weaving along these three directions and without any subsequent intervention.
  • the fabric which is to increase the width may be in two layers, three layers and more depending on the technical requirements that we want to meet.
  • a first means consists in making a single or multiple seam on the width (d) of connection of the two strips 1 and 2.
  • Another means consists in interposing between the web 3 and the web 2 a detachable connection means 7 of the closure type. slide and a similar means 8 between the free web 5 and the web 1.
  • This means 7 or 8 must of course ensure the electrical continuity of the fabric obtained according to the invention.
  • this closure must incorporate an electrically conductive material.
  • the electromagnetic attenuation is thus obtained by producing baffles between each layer of tissue thus bonded, allowing the electromagnetic wave to propagate non-uniformly in the tissue to increase the attenuation.
  • FIG 3 there is shown the two strips 1 and 2 having at their free edge three sails two-dimensional.
  • the lé 1 is extended by the sails 9, 10 and 11 and the lé 2 by the sails 12, 13 and 14.
  • To constitute the 3D structure is interposed for example the sail 14 between the sails 10 and 11 and the sail 9 between the sails 12 and 13, then a seam is made using a thread or no of these six layers between them.
  • FIG. 4 shows a three-dimensional web consisting of four fabric layers whose free edge has two webs 16 and 17. Each of these webs consists of two layers in a three-dimensional structure. To join two strips of the same configuration, the sails are interposed between them as explained above and is carried out either by trapping the four sails by a seam or interposing a zipper between the outer sails and the corresponding lé.
  • FIG 5 there is shown a three-dimensional web 18 consisting of five layers of fabric. At the free edge of this web the five layers are woven separately to form five 19-23 two-dimensional sails. To join two adjacent strips is interposed as previously explained the respective veils between them, then one carries out for example a seam between the ten veils thus assembled.
  • a large-size fabric obtained according to the present invention allows a use quite adequate for the realization of protections of any type of structures emitting electromagnetic radiation or subject to the influence of electromagnetic radiation.
  • the fabric helps to reduce this radiation regardless of its meaning.
  • a conventional mobile technical shelter can be covered by means of an envelope matching the outer shape of the shelter. It is also possible to reverse the interior walls of the technical shelter with the aid of the fabric according to the invention.
  • the fabric according to the invention can also be simply combined with a frame by assembling several strips together and thus quickly protect the materials arranged in said frame.
  • the fabric can be used simply as an electromagnetic shield in a tent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Woven Fabrics (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
EP02290431A 2001-03-09 2002-02-22 Procede de raccordement de les de tissu a trois dimensions doue de proprietes electromagnetiques Expired - Lifetime EP1239073B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0103207 2001-03-09
FR0103207A FR2821867B1 (fr) 2001-03-09 2001-03-09 Procede de raccordement de les de tissu a trois dimensions doue de propreites electromagnetiques

Publications (2)

Publication Number Publication Date
EP1239073A1 EP1239073A1 (fr) 2002-09-11
EP1239073B1 true EP1239073B1 (fr) 2007-06-06

Family

ID=8860916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02290431A Expired - Lifetime EP1239073B1 (fr) 2001-03-09 2002-02-22 Procede de raccordement de les de tissu a trois dimensions doue de proprietes electromagnetiques

Country Status (6)

Country Link
EP (1) EP1239073B1 (es)
AT (1) ATE364102T1 (es)
CA (1) CA2374177A1 (es)
DE (1) DE60220463T2 (es)
ES (1) ES2286211T3 (es)
FR (1) FR2821867B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7943535B2 (en) 2005-11-17 2011-05-17 Albany Engineered Composites, Inc. Hybrid three-dimensional woven/laminated struts for composite structural applications
US7655581B2 (en) * 2005-11-17 2010-02-02 Albany Engineered Composites, Inc. Hybrid three-dimensional woven/laminated struts for composite structural applications

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5545844A (en) * 1993-08-03 1996-08-13 The Zippertubing Company Quick access electrical shielding chamber
US6068009A (en) * 1992-02-03 2000-05-30 Paes; Ned Z. Free-standing, portable tent assembly with flexible, electronic signal shielded enclosure

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB926006A (en) * 1960-07-26 1963-05-15 Ass Lead Mfg Ltd A new or improved shielding material
US3622432A (en) * 1967-02-01 1971-11-23 Porter Co Inc H K Flexible ionizing radiation shield barriers
FR95308E (fr) * 1967-04-11 1970-08-21 Bodin Girin & Cie Tissu et ses applications.
DE2623437A1 (de) * 1976-05-25 1977-12-08 Jwi Ltd Nahtverbindung fuer breite und schwere gewebe
FR2549501B1 (fr) * 1983-07-19 1986-02-14 Michelin & Cie Procede pour realiser une nappe sans fin utilisant une bande en tissu tridimensionnel; nappes sans fin obtenues selon ce procede; articles comportant chacun au moins une de ces nappes
JPH0671154B2 (ja) * 1988-12-27 1994-09-07 吉田工業株式会社 電磁波シールド用スライドファスナーチェーンの製造方法
JPH04506545A (ja) * 1989-02-15 1992-11-12 フイネクス　ハンデルス　ゲゼルシャフトミットベシャランクターハフトング 電磁放射遮蔽織物及びそれにより作られた衣服
US5399418A (en) * 1991-12-21 1995-03-21 Erno Raumfahrttechnik Gmbh Multi-ply textile fabric especially for protection suits and the like
FR2745690B1 (fr) * 1996-03-08 1998-04-30 Egis S A R L Vetement de protection contre les rayonnements electromagnetiques non ionisants
DE29613721U1 (de) * 1996-08-08 1996-11-21 Carl Stahl GmbH & Co KG, Gurt- und Bandweberei, 89542 Herbrechtingen Austauschgurt

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6068009A (en) * 1992-02-03 2000-05-30 Paes; Ned Z. Free-standing, portable tent assembly with flexible, electronic signal shielded enclosure
US5545844A (en) * 1993-08-03 1996-08-13 The Zippertubing Company Quick access electrical shielding chamber

Also Published As

Publication number Publication date
FR2821867A1 (fr) 2002-09-13
DE60220463T2 (de) 2008-02-14
EP1239073A1 (fr) 2002-09-11
ES2286211T3 (es) 2007-12-01
DE60220463D1 (de) 2007-07-19
ATE364102T1 (de) 2007-06-15
FR2821867B1 (fr) 2003-10-03
CA2374177A1 (fr) 2002-09-09

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