EP0748889A2 - Procédé pour la fabrication d'un tricot entretoise et tricot entretoise ainsi obtenu - Google Patents

Procédé pour la fabrication d'un tricot entretoise et tricot entretoise ainsi obtenu Download PDF

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Publication number
EP0748889A2
EP0748889A2 EP96109291A EP96109291A EP0748889A2 EP 0748889 A2 EP0748889 A2 EP 0748889A2 EP 96109291 A EP96109291 A EP 96109291A EP 96109291 A EP96109291 A EP 96109291A EP 0748889 A2 EP0748889 A2 EP 0748889A2
Authority
EP
European Patent Office
Prior art keywords
sections
basic
pile
goods
pile thread
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.)
Granted
Application number
EP96109291A
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German (de)
English (en)
Other versions
EP0748889B1 (fr
EP0748889A3 (fr
Inventor
Frank Helbig
Frank Vettermann
Dietmar Reuchsel
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.)
Cetex Chemnitzer Textilmaschinenentwicklung gGmbH
Original Assignee
Cetex Chemnitzer Textilmaschinenentwicklung gGmbH
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 Cetex Chemnitzer Textilmaschinenentwicklung gGmbH filed Critical Cetex Chemnitzer Textilmaschinenentwicklung gGmbH
Publication of EP0748889A2 publication Critical patent/EP0748889A2/fr
Publication of EP0748889A3 publication Critical patent/EP0748889A3/fr
Application granted granted Critical
Publication of EP0748889B1 publication Critical patent/EP0748889B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D04B21/20—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 specially adapted for knitting articles of particular configuration
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/022—Lofty fabric with variably spaced front and back plies, e.g. spacer fabrics
    • D10B2403/0221—Lofty fabric with variably spaced front and back plies, e.g. spacer fabrics with at least one corrugated ply

Definitions

  • the invention relates to a method for producing a spacer knitted fabric on a warp knitting machine, in particular on a right / right double rustling machine.
  • spacer fabrics are understood to mean a textile fabric which consists of two flat, equidistant, patterned or unpatterned basic product surfaces, between which pile threads (P A ; P B ; P C ) extend in both basic products.
  • pile threads P A ; P B ; P C
  • Spacer fabrics of this type are already used in a variety of ways.
  • the invention is therefore based on the object of producing spacer fabrics with different local spacing of the basic goods regardless of the configuration of the knitting machine used for the production.
  • claims 13 and 14 disclose inventive features of a product processed according to the method.
  • Part X.1 shows a schematic representation of the position of base goods and pile thread segments with respect to the two needle bars of the warp knitting machine used to carry out the method, the direction of view corresponding to the direction of extension of the goods
  • part X.2 shows a representation of processed goods from sub-figure X.1 after deformation to a contoured spacer goods.
  • the method according to the invention includes the production of a contoured, ie with zones with locally different, essential features Distance of the basic goods provided spacer knitted fabric on two equidistant, uncontoured needle bars, which are specially equipped with latch needles set in needle lead in a Raschel machine.
  • Laying rails are used in the conventional manner for laying warp and pile threads and possibly also partial weft threads.
  • 1.1 shows a relatively simple variant of a knitted spacer fabric that can be produced using the method according to the invention. It is divided into two different sections A and B.
  • a basic product G 1 On the upper needle bar in the drawing (which is identified in the following by the leading index 1), a basic product G 1 is worked, the sections G 1A and G 1B of which are connected to one another (closed basic product) and which consequently extend over the two without interruption Sections A and B extends.
  • separate basic goods sections G 2A and G 2B open basic goods
  • a first embodiment variant of the method according to the invention now provides that in section A the basic goods sections G 1A and G 2A face each other directly, while in section B the basic goods section G 2B is laterally offset from the basic goods section G 1B .
  • pile threads are laid between the basic goods sections with the aid of laying rails which oscillate back and forth between the needle bars and are integrated into the two basic goods.
  • the pile threads P A and P B extend approximately perpendicular to the basic goods sections.
  • the length I A of the pile thread segments P A thus corresponds to the distance a of the needle bars.
  • such a section is also referred to as a "short pole section".
  • section B on the other hand, the length I B of the pile thread segments P B exceeds the distance a of the needle bars by an amount which can easily be determined from the Pythagorean theorem.
  • Such a section also bears the designation "long-pole section" in the claims.
  • the method according to the invention provides for the fabric, which has been worked with equidistant basic fabric sections up to the phase described above, to be formed into a spacer knitted fabric in the actual sense, ie with a locally different spacing of the basic fabrics.
  • this takes place in that the congruence is established between the basic goods sections G 1B and G 2B and then the pile thread segments P B likewise extend approximately perpendicularly between the basic goods sections G 1B and G 2B .
  • the resulting knitted spacer fabric has an L-shaped cross section.
  • the knitted spacer fabric in the example according to FIGS. 2.1 and 2.2 is divided into three sections A, B, and C analogously to the example described above.
  • the basic goods sections G 1A , G 1B and G 1C are in turn connected to one another and form a closed basic product.
  • the basic goods sections G 2A , G 2B and G 2C form an open basic product.
  • the characteristic difference, for example according to FIGS. 1.1 and 1.2, is that the basic goods sections G 2A and G 2C are offset in different directions, but by the same amount, from the basic goods sections G 1A and G 1C .
  • the result of this is that different laying rails are used to lay the pile thread segments P A , P B and P C.
  • the reshaping of the In this example, the knitted fabric for the knitted spacer fabric leads to an isosceles U profile (FIG. 2.2).
  • This embodiment of the method is further varied in the example according to FIGS. 3.1 and 3.2, in that the basic goods section G 2A is offset by a different amount from the basic goods section G 1A than the basic goods section G 2C from the basic goods section G 1C .
  • the result after forming is a spacer knit with an unequal leg U-profile.
  • FIGS. 4.1 and 4.2 Another possible embodiment variant is shown in FIGS. 4.1 and 4.2.
  • the goods shown here also have three sections A, B and C.
  • the basic goods sections G 1B and G 1C or G 2A and G 2B are connected to one another and form a closed basic product, while between the basic goods sections G 1A and G 1B and G 2B and G 2C are not connected.
  • the lateral offset of the basic goods sections G 2A compared to G 2B and G 2C compared to G 1C was chosen differently, which in turn means that the pile threads P A , P B and P C are laid by three laying rails which can be displaced independently of one another.
  • the spacer fabric that is formed after the fabric has been formed has a Z-shaped profile with legs of unequal length.
  • FIGS. 5.1 to 6.2 A further possible variation of the method according to the invention is illustrated in FIGS. 5.1 to 6.2. While pile thread segments were always integrated into the basic fabric sections in the previous examples, the invention also provides that sections G 1A to G 2C covered with pile threads can also be connected in any manner to the later use of the spacer knitted fabric also non-pile basic fabric sections. 5.1 and 5.2, these are the pole-free basic goods sections GPF 1 , GPF 2 and GPF 3 . While the pole-free basic goods sections GPF 1 and GPF 2 are directly on the side connect to the basic goods section G 2A , the non-polar basic goods section on the opposite goods side is connected to the basic goods section G 1B .
  • the invention now provides that after the previously described shaping of the goods into a contoured spacer knitted fabric, the pile-free base fabric sections GPF 1 to GPF 3 are placed on the side flanks of base fabric sections covered with pile threads (FIG. 5.2).
  • the non-pile base material section GPF 1 covers the left side flank of the pile threads P A of section A
  • the non-pile base fabric section GPF 2 covers the left flank of the pile threads P B of section A which exceeds section A.
  • the non-pile basic goods section GPF 3 covers the entire free right flank of the pile threads P B of section B.
  • FIGS. 6.1 and 6.2 This example undergoes a further variation in FIGS. 6.1 and 6.2.
  • the goods shown here contain a pole-free basic goods section GPF 2 , which extends between the basic goods sections G 2A and G 2B , which would normally form an open basic product, and is also connected to these.
  • this means that the pile-free basic goods section GPF 2 in order to be able to cover the left free flank of the pile threads P B in section B smoothly, into the space between the pile threads P A and P B of the sections A and B must be inserted in the form of a loop (Fig.6.2).
  • the pole-free basic goods section GPF 1 is operated in the manner described above.
  • the invention also opens up the possibility of "indirect laying". This is characterized by the fact that the pile threads, after they have been integrated on a basic product side, are not led through their laying rails directly to the needles of the opposite needle bars that bind them, but are first laid with a certain lateral offset to the last binding point over thread holding elements that do not form a stitch, and only then via the needle that binds it into the opposite basic fabric.
  • Such holding elements can, for example, be free needles that are not involved in the manufacture of the basic goods, which, after being considered by a pile thread, initially take them over the needle tongue over the needle tongue during the subsequent shoot, forming a handle, but none in the subsequent cycle of action due to lack of consideration with another thread Can form a stitch and consequently throw off the pile thread loop formed again.
  • the non-stitch-forming thread holding elements are on the side of the last integration of the pile threads in the base fabric or on the opposite side of the base fabric. However, the latter possibility can be realized more advantageously.
  • 7.1 to 11.2 illustrate embodiments of the method according to the invention with "indirect laying".
  • 7.1 shows, in addition to the above explanations, a further essential feature of "indirect laying”: the corresponding basic goods sections G 1A and G 2A and G 1B are located in short pole sections (here section A) and in long pole sections (here section B) and G 2B opposite each other.
  • the pile threads P B after they were last integrated in the basic goods section G 2B , are placed over thread-holding elements on the side of the needle bar on which the basic goods G 1 are worked.
  • the pile thread guide first moves, following the working regime of a double-rake machine, back to the other needle bar with the basic goods G 2 , but does not consider it there and then returns to the needle bar with the basic goods G 1 to insert the pile threads P B there into the corresponding needles with the aim of integration into the basic goods section G 1B .
  • the pile threads P B are laid between the base fabric sections G 1B and G 2B with a "thread reserve", ie the length I B of the pile threads P B is greater than the distance a of the needle bars.
  • the size of the thread reserve depends directly on how large the lateral offset of the thread holding elements relative to the needles in the basic goods sections G 1B and G 2B is. In the subsequent cycle of action, the processes described take place in a mirror image between the two needle bars.
  • the forming of the knitted fabric into a contoured spacer fabric according to the invention takes place with indirect laying in that the distance between the basic fabric sections in the long pole section B is increased beyond the distance a until the thread reserve of the pile threads P B is used up and this is a stretched position take in.
  • FIGS. 8.1 and 8.2 show an application of indirect laying analogously to the example according to FIGS. 2.1 and 2.2.
  • the short-pole section B is followed on both sides by long-pole sections A and C, in which the lateral offset of the pile threads P A and P C takes place in opposite directions to one another in order to generate the thread reserve.
  • the spacer goods produced according to the invention in turn have an isosceles, U-shaped cross section.
  • a different length of the legs can also be produced by a different width offset of the pile threads P A and P B.
  • Figures 9.1 and 9.2 illustrate that indirect laying opens up possibilities beyond direct laying.
  • the Goods from two short-pole sections A and C which enclose a long-pole section B between them.
  • the pile threads P B are temporarily placed in the manner described above over thread holding elements, which in turn are located outside the section C.
  • the basic prerequisite for this is that the pile threads P B each extend between two rows of pile threads P C without looping around them, in order not to prevent the subsequent stretching of the pile threads P B when the goods are formed into the contoured spacer fabric with a T-shaped cross section.
  • this can be easily ensured by laying pile threads P C at most in every second row, at least in section C, while the pile threads P B are worked into the rows which are then left free.
  • FIG. 9.1. and 9.2 is not limited to the fact that the thread holding elements must be located outside the adjacent basic goods section.
  • Fig. 10.1 there is also the possibility of temporarily placing pile threads P B belonging to a long-pole section B over thread-holding elements which, for. T. or only within the adjacent short pole section C.
  • needles located in section C that are not involved in the formation of the basic goods in this section can be used for this purpose.
  • the finished spacer has a T-shaped cross-section (Fig. 10.2).
  • both basic goods G 1 and G 2 are designed as closed basic goods. This construction makes it possible to form the contoured spaced goods in such a way that both basic goods sections G 1A and G 2A or G 1C and G 2C from the through the basic goods sections G 1B and G 2B in the short-pole section B are lifted out until the pile threads P A and P B reach full extension. This creates a spacer with a double T-shaped profile.
  • FIGS. 12.1 and 12.2 A further, particularly advantageous embodiment of the method according to the invention is shown in FIGS. 12.1 and 12.2. It makes it possible to create a mechanical connection between adjacent sections of different pile thread lengths, which leads to a particularly good cohesion also being produced in the finished, contoured spacer knitted fabric between these two adjacent sections.
  • pile thread PF is used for this. This is preferably placed only over the outermost needle of section B with the shorter length of pile threads P B and thus also preferably only integrated into the outer wale M facing section A with the longer pile threads P A.
  • a separate laying rail guiding the pile thread PF underlies the area A with the longer pile threads P A under at least one needle of this section A and remains in the area of this for so long Nadelgasse until at least one row of pile threads P A was laid and integrated into the corresponding basic goods sections G 1A and G 2A . Only then is the pile thread PF tied back into the wale M without excess length and thus wraps around a series of pile threads P A in section A. When the goods are subsequently contoured, the pile threads P A thus "caught” are pulled through the loop formed by the pile thread PF and held by the latter also close to the edge of section B. The introduction of such a pile thread is also possible between two adjacent long pole sections.
  • the invention is not limited by the examples described here.
  • profiles described T, U, Z, L, double T profile
  • other profile shapes are conceivable and can be produced.
  • the profiles described represent the main forms of application that can be derived from the commercially available profiles of steel girders.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
EP96109291A 1995-06-16 1996-06-11 Procédé pour la fabrication d'un tricot entretoise et tricot entretoise ainsi obtenu Expired - Lifetime EP0748889B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19521443 1995-06-16
DE19521443A DE19521443C2 (de) 1995-06-16 1995-06-16 Verfahren zur Herstellung einer Abstandswirkware sowie danach hergestellte Abstandswirkware

Publications (3)

Publication Number Publication Date
EP0748889A2 true EP0748889A2 (fr) 1996-12-18
EP0748889A3 EP0748889A3 (fr) 1998-07-22
EP0748889B1 EP0748889B1 (fr) 2001-12-19

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EP96109291A Expired - Lifetime EP0748889B1 (fr) 1995-06-16 1996-06-11 Procédé pour la fabrication d'un tricot entretoise et tricot entretoise ainsi obtenu

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DE (2) DE19521443C2 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2820763A1 (fr) * 2001-02-14 2002-08-16 Textiles Plastiques Chomarat Etoffe double face tridimensionnelle
US7238632B2 (en) * 2000-06-30 2007-07-03 Seiren Co., Ltd. Electromagnetic wave shielding material
DE102006009923A1 (de) * 2006-03-03 2007-09-06 Rwth Aachen Bausatz aus Fadengebilde und Formkörper
DE102007018227A1 (de) 2007-04-16 2008-10-30 Schott Ag Textiles Flächengebilde mit Lichtleitern und dessen Herstellung
DE102007035878A1 (de) 2007-07-31 2009-02-26 Rwth Aachen Bauelement mit interner Leiteranordnung und Verfahren zu dessen Herstellung
DE102010047246A1 (de) 2010-04-14 2011-10-20 Cepventures International Corp. Traghilfe zum Tragen von Kleinkindern am Körper
US20110311755A1 (en) * 2009-01-29 2011-12-22 Concrete Canvas Technology Ltd. Impregnated cloth
US9187902B2 (en) 2011-11-01 2015-11-17 Cortex Composites, Llc Nonwoven cementitious composite for in-situ hydration
DE102006024485B4 (de) * 2006-05-26 2015-12-24 Rwth Aachen Fadengebilde mit Positionierungsmitteln
US10167635B2 (en) 2011-11-01 2019-01-01 Cortex Composites, Inc. Nonwoven cementitious composite for In-Situ hydration
US10221569B2 (en) 2011-11-01 2019-03-05 Cortex Composites, Inc. Cementitious composite constituent relationships
US10435859B2 (en) 2015-11-05 2019-10-08 Cortex Composites, Inc. Cementitious composite mat

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061430B4 (de) * 2000-12-09 2007-04-12 Bernhard Schneider Fluiddurchströmte Innenraumverkleidung einer Fahrzeugkarosserie
DE202011050845U1 (de) 2011-07-28 2012-10-29 Technische Universität Chemnitz Element unter Verwendung einer dreidimensionalen Struktur aus Fasern, Garn oder Draht
DE102011052254B4 (de) 2011-07-28 2016-06-16 Technische Universität Chemnitz Element unter Verwendung einer dreidimensionalen Struktur aus Fasern, Garn oder Draht

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904203C2 (de) * 1979-02-05 1981-01-15 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Kettenwirkverfahren
DE3813741C2 (de) * 1988-04-23 1998-12-24 Vorwerk Co Interholding Bauteil auf Gewirkebasis und Verfahren zu seiner Herstellung
DE4140826A1 (de) * 1991-12-11 1993-06-17 Burkhard Prof Dr Ing Wulfhorst Verfahren und vorrichtung zur herstellung von abstandstextilien mit zwei deckflaechen
DE4301242A1 (de) * 1993-01-19 1994-07-21 Olbo Textilwerke Gmbh Verfahren und Einrichtung zur Herstellung textiler Abstandsflächengebilde
EP0617152B1 (fr) * 1993-02-22 1999-08-25 Recaro GmbH & Co. Tissu "face-à-face" à épaisseur variable, procédé de fabrication et applications
US5385036A (en) * 1993-05-24 1995-01-31 Guilford Mills, Inc. Warp knitted textile spacer fabric, method of producing same, and products produced therefrom

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7238632B2 (en) * 2000-06-30 2007-07-03 Seiren Co., Ltd. Electromagnetic wave shielding material
WO2002064870A1 (fr) * 2001-02-14 2002-08-22 Textiles Et Plastiques Chomarat Etoffe double face tridimensionnelle
FR2820763A1 (fr) * 2001-02-14 2002-08-16 Textiles Plastiques Chomarat Etoffe double face tridimensionnelle
DE102006009923B4 (de) * 2006-03-03 2010-04-01 Rwth Aachen Bausatz aus Fadengebilde und Formkörper
DE102006009923A1 (de) * 2006-03-03 2007-09-06 Rwth Aachen Bausatz aus Fadengebilde und Formkörper
DE102006024485B4 (de) * 2006-05-26 2015-12-24 Rwth Aachen Fadengebilde mit Positionierungsmitteln
DE102007018227A1 (de) 2007-04-16 2008-10-30 Schott Ag Textiles Flächengebilde mit Lichtleitern und dessen Herstellung
DE102007035878A1 (de) 2007-07-31 2009-02-26 Rwth Aachen Bauelement mit interner Leiteranordnung und Verfahren zu dessen Herstellung
US10738417B2 (en) 2009-01-29 2020-08-11 Concrete Canvas Technology Ltd. Impregnated cloth
US8343609B2 (en) * 2009-01-29 2013-01-01 Concrete Canvas Technology Ltd. Impregnated cloth
US8703266B2 (en) 2009-01-29 2014-04-22 Concrete Canvas Technology Ltd. Impregnated cloth
US11525210B2 (en) 2009-01-29 2022-12-13 Concrete Canvas Technology Ltd. Impregnated cloth
US20110311755A1 (en) * 2009-01-29 2011-12-22 Concrete Canvas Technology Ltd. Impregnated cloth
US9486974B2 (en) 2009-01-29 2016-11-08 Concrete Canvas Technology Ltd. Impregnated cloth
DE102010047246A1 (de) 2010-04-14 2011-10-20 Cepventures International Corp. Traghilfe zum Tragen von Kleinkindern am Körper
US10167635B2 (en) 2011-11-01 2019-01-01 Cortex Composites, Inc. Nonwoven cementitious composite for In-Situ hydration
US10221569B2 (en) 2011-11-01 2019-03-05 Cortex Composites, Inc. Cementitious composite constituent relationships
US9567750B2 (en) 2011-11-01 2017-02-14 Cortex Composites, Inc. Nonwoven cementitious composite for in-situ hydration
US11008756B2 (en) 2011-11-01 2021-05-18 Cortex Composites, Inc. Nonwoven cementitious composite for in-situ hydration
US11098486B2 (en) 2011-11-01 2021-08-24 Cortex Composites, Inc. Cementitious composite constituent relationships
US11428006B2 (en) 2011-11-01 2022-08-30 Cortex Composites, Inc. Cementitious composite constituent relationships
US9187902B2 (en) 2011-11-01 2015-11-17 Cortex Composites, Llc Nonwoven cementitious composite for in-situ hydration
US10435859B2 (en) 2015-11-05 2019-10-08 Cortex Composites, Inc. Cementitious composite mat
US10870964B2 (en) 2015-11-05 2020-12-22 Cortex Composites, Inc. Cementitious composite mat

Also Published As

Publication number Publication date
EP0748889B1 (fr) 2001-12-19
DE19521443C2 (de) 2001-04-19
DE19521443A1 (de) 1996-12-19
EP0748889A3 (fr) 1998-07-22
DE59608477D1 (de) 2002-01-31

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