IL267501A - Net having a support thread - Google Patents

Net having a support thread

Info

Publication number
IL267501A
IL267501A IL267501A IL26750119A IL267501A IL 267501 A IL267501 A IL 267501A IL 267501 A IL267501 A IL 267501A IL 26750119 A IL26750119 A IL 26750119A IL 267501 A IL267501 A IL 267501A
Authority
IL
Israel
Prior art keywords
warp
thread
support
mesh
threads
Prior art date
Application number
IL267501A
Other languages
Hebrew (he)
Other versions
IL267501B (en
Original Assignee
Karatzis S A Ind & Hotelier Enterprises
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 Karatzis S A Ind & Hotelier Enterprises filed Critical Karatzis S A Ind & Hotelier Enterprises
Publication of IL267501A publication Critical patent/IL267501A/en
Publication of IL267501B publication Critical patent/IL267501B/en

Links

Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B21/00Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10Open-work fabrics
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/02Cross-sectional features
    • D10B2403/024Fabric incorporating additional compounds
    • D10B2403/0241Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02411Fabric incorporating additional compounds enhancing mechanical properties with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/02Cross-sectional features
    • D10B2403/024Fabric incorporating additional compounds
    • D10B2403/0241Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02412Fabric incorporating additional compounds enhancing mechanical properties including several arrays of unbent yarn, e.g. multiaxial fabrics
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00Industrial
    • D10B2505/10Packaging, e.g. bags
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2507/00Sport; Military
    • D10B2507/02Nets
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)

Description

Net having a support thread The invention relates to a mesh, for example, a plastic mesh and, in particular, a so-called Raschel mesh.
Meshes and/or l meshes are well-known. Raschel meshes serve a wide variety of intended uses and are warp knit from a plastic thread with the aid of suitable devices (Raschel machines), by entwining respective plastic threads into threads with the aid of specific needles across the entire machine width.
An example of such a Raschel mesh is known from EP 1 851 385 A1, which shows the use of a l mesh for a construction site fence by way of example. Depending on the strength of the threads used, different applications are possible. For example, very light meshes can be produced, which serve to wrap loose goods such as hay bales.
Additional meshes are known from AT 14 185 U1, DE 200 08 520 U1, WO 2004/020721 A1, DE 43 01 232 A1, CH 507 405 A, JP 858 70753 A, and DE 2016105663 U1.
For the production of such light meshes, it is, on one hand, essential that the meshes have a weight as low as possible, which goes hand in hand with a correspondingly low material iture and thus lower material costs. On the other hand, the meshes must also e sufficient th to be e of fulfilling their function. Hence, it is generally not possible to save material by using r plastic threads or plastic threads with a smaller cross section since the thin threads will then no longer have sufficient strength.
The object of the invention is to provide a mesh by which it is possible to reduce the use of material and thus the weight, without suffering losses of strength.
The object is, in accordance with the invention, solved by a mesh having the es of claim 1. Advantageous embodiments are the subject matter of the dependent claims.
In accordance with the invention, a mesh is proposed, comprising a plurality of warps ing parallel to one another in the longitudinal direction, a plurality of weft threads of which one runs to and fro between two adjacent warps and links the adjacent warps to one another, and comprising a first support thread, which runs along a warp and penetrates the same at l points.
The points where the support thread penetrates the warp can, in ular, be the warp links or stitches, which each form an approximately ring-shaped or elongated opening through which the support thread is threaded.
The additional support thread significantly increases the strength of the mesh and enables the reduction of the strength (thickness, width) of the s of which the warps and weft threads are made.
In the mesh, the first t thread can extend along the warp in the longitudinal direction, wherein the first support thread forms eyes in sections, in which it runs against the longitudinal direction. The eyes can have the form of loops. Thus, the support thread extends in the longitudinal direction (machine direction) and forms slings or loops (eyes) at regular or irregular intervals.
A plurality of support threads can be ed in the mesh. For example, also in the case of one warp, a plurality of support s, e.g., 2 to 5 support threads, can be threaded in, which extend along the warp and penetrate the same at several points.
As the mesh consists of a plurality of warps running parallel to one another, it is possible that at least one support thread or a plurality of support s run on a n of the warps or on all warps of the mesh. The more support threads are present, the greater the strength.
For example, a second support thread (or additional support threads) can be provided, which runs along the warp on which the first support thread is already provided. By providing a second t thread in addition to the first support , the strength is further increased.
In this process, the second support thread can extend along the warp in the longitudinal direction, wherein the second support thread forms slings, eyes or loops in sections, in which it runs against the longitudinal direction. Thus, similar to the first support thread, the slings can have the form of loops. Thus, also the second support thread extends in the longitudinal direction (machine direction) and forms slings or loops (eyes) at regular or irregular intervals.
The second support thread can at least partly run parallel to the first support thread.
The first t thread, as well as the other support threads, can run in such a manner that every support thread ates every stitch of the warp, i.e. is threaded through every stitch of the warps or every warp link, respectively.
The interval between two adjacent warps can amount to 20mm to 80mm.
The support thread can be a plastic film .
The thickness of the support thread can amount to 0.5mm to 4mm.
The weft thread can connect the warps allocated to it in such a manner that its course forms a zigzag pattern.
After having penetrated an associated warp, the weft thread can run, in parts, parallel to this warp. onal advantages and features ofthe invention are explained in more detail in the following text based on examples with the aid of the accompanying figures, in which: Fig. 1A shows a mesh according to a first exemplary embodiment; 3 Fig. 1B shows a mesh according to another exemplary embodiment; Fig. 2A shows a section of a mesh according to r exemplary embodiment; Fig. ZB shows a section of a mesh according to another exemplary embodiment; Fig. 3A shows a portion of a warp with a support thread, which forms a ent of a mesh according to an exemplary ment; Fig. SB shows a portion of a warp with a support thread, which forms a component of a mesh ing to another exemplary embodiment; Fig. BC shows a portion of a warp with a support thread, which forms a component of a mesh according to another exemplary embodiment; and Fig. 4 shows an example of a mesh rolled into a role.
The description of the following exemplary embodiments is not ctive. In particular, elements of the individual ary embodiments, which are described in the following text, can be combined with elements of various exemplary embodiments.
For a more detailed explanation of components of the produced mesh, the designations below are used in the following text: For a more detailed explanation, the designations below are used in the following text: Mesh or : thin straps which, for example, are made from or consist of polyolefins such as LLDPE (linear low density polyethylene), LDPE (low-density polyethylene), HDPE (high-density polyethylene), PVC (polyvinyl chloride), EVA ene vinyl acetate) or from a similar plastic, are processed to a mesh or fabric.
Threads: the thin straps of which the mesh is composed.
Warp threads: the stitches lined up next to one another to form a sling compound in the flow direction of the mesh.
Wefts: the threads with a zigzag linkage which link the warp threads to a mesh.
MD (machine direction): the flow direction of the mesh during the production or processing, also designated as the longitudinal ion of the mesh.
TD (transverse direction): the direction perpendicular to the flow direction or machine direction.
Fig. 1A shows a mesh ing to an exemplary embodiment.
As discussed in the following text, the mesh 200 shown in Fig. 1A has a plurality of warps 110 extending parallel to one another in the longitudinal ion or machine direction MD, as well as a plurality of weft threads 120, of which one weft thread runs to and fro between two nt warps 110 and connects the adjacent warps to one another. Furthermore, the mesh 200 includes a first support thread 130, which runs along a warp 110 and penetrates the same at several points 181.
Fig. 1A shows that the points 181 have a specific interval, and that the support thread 130 penetrates only about one in three warp links or one in three stitches of the warp 110 at a corresponding point 181. However, in a not shown variant it is possible that the t thread 130 is threaded h every stitch or every warp link, i.e. the points 181 coincide with the respective openings of the warp links.
The mesh 200 shown in Fig. 1A can be a so-called Raschel mesh, which es warps 110 warp knit from threads. The threads can, for example, be plastic threads. In this process, every individual warp 110 is produced by entwining one or more threads. A plurality of warps 110 can be warp knit parallel at the same time on suitable machines, in particular, on so-called Raschel machines.
I n this process, the warps 110 run in the machine direction (MD), as illustrated in Fig. 1A. Two adjacent warps 110 are, as explained in the following text, each cross-connected by weft threads 120 running to and fro between two adjacent warps 110, whereby the particular weft thread 120 takes a zigzag course, and the mesh is formed. Usually, a plurality of el warp groups are formed by a Raschel machine and the s present in the l machine, with the plurality of parallel warp groups then being connected to one another by the weft threads 120.
As shown in Fig. 1A, the first support thread 130 runs, on each of the warps 110, in the machine direction (MD) along the ted warp 110 and penetrates the same at several points (penetration points 181) or - in the variant not shown - at all stitches or gs of the warp links.
The interval u between two adjacent warps 110 can, for example, amount to 20mm to 80mm. For example, adjacent warps 110 can be formed at an interval of 25.4mm (1 inch) to 3 inches (76.2mm), in particular, with 30.5mm (1.2 inches) and 50.8mm (2 inches). Here the interval is regarded as the interval between the virtual (imagined) lines from two adjacent warps 110. The total width v of the mesh or plastic mesh can amount to 30 to 200cm, in ular, to 50 to 170cm. In this process, even wider meshes are easily possible.
According to the embodiment shown in Fig. 1B, the mesh contains a second support thread 140, 141, which, additionally to the first support thread 130, also runs along a warp 110. In this s, as shown in the left-hand portion of Fig. 1B, the second support thread 140 can run el to the first support thread 130. More specifically, the first and second support threads 130, 140 penetrate both the warp 110 at the same penetration point 181.
As shown in the right-hand side of Fig. 1B, the second support thread 140 can run in an offset manner. For example, the penetration points 182, 183 of the 41 first and of the second support threads 131, 1 may not match. I n this connection, the term “the same penetration point 181” designates the same D . stitch 187 along the longitudinal direction or machine direction M According to the embodiment where the first and second support threads 130, 140 do not run parallel to one another, the ent penetration points 182, 183 each correspond to the stitches 187, 188 of the warp 110 offset to one another in the longitudinal direction.
Additionally to the first support thread 130 and to the second support thread 140, additional t threads can be provided, which are also connected to the associated warps 110 correspondingly.
In a variant not shown, a plurality of t threads (e.g. 2 to 5, preferably three support threads) are provided on every warp 110 and ate all stitches or openings of the warp links.
According to the embodiment shown in Figs. 1A and 1B, the weft thread 120 forms a zigzag pattern between two adjacent warps 110 in each case. That means that the ation point 171 of the weft thread 120 h the warp 110 corresponds to the reversal point of the weft thread.
According to the embodiments shown in Figs. 2A and 2B, the weft thread 120 can be guided in such a manner that it, having penetrated the associated warp 110, runs, in sections, parallel to the particular warp 110. More specifically, the weft thread 120 penetrates the warp 110 at a first penetration point 172.
Thereupon, it runs, in sections, along the machine direction MD parallel to the warp 110 and penetrates the warp 110 at a second ation point 173 and thereupon runs in the diagonal direction to subsequently penetrate an adjacent warp 110. A stretched zigzag n is thereby created. For example, the second penetration point 173 can be located in a stitch 188, which is offset in respect of the stitch 187 of the first penetration point 172 in the machine direction MD by one or more stitches.
According to the embodiment shown in Fig. 2A, a support thread 130 is provided again, which runs along the particular warp 110 and penetrates the same at l penetration points 181. Here too it is possible that the support thread 130 penetrates all stitches or gs of the individual warp links of the warp 110. ing to the embodiment shown in Fig. 2B, the mesh can further include a second support thread 140, 141 (or additional support threads). This support thread can, as depicted on the left-hand side of Fig. 2B, run parallel to the first support thread 130 and penetrate the warp 110 at the same penetration points 181 as the first support thread 130.
According to the ment shown in the right-hand side of Fig. 2B, a first support thread 131 and a second support thread 141 can each penetrate the warp 110 at different penetration points 182, 183.
The support threads 130, 140 shown in Figures 1A to 2B are threaded into the particular warp 110 in such a manner that they run ntially straight along the warp 110.
According to the invention, the mesh can include more than two support threads, for example, three or four or more support threads. In particular, it is possible that at least one support thread is provided on each of the warps 110.
Similarly, a support thread can be fastened to only a n of the warps 110.
Figures 3A to 30 show different manners in which the support thread or the support threads 130, 140 can be interwoven with the warp 110, which is a component of the mesh 200.
As illustrated in Fig. 3A in more detail, the first t thread 130 can run along the warp 110 as in Fig. 1A or 2A and penetrate it at several penetration 8 points 181, which correspond to different stitches 187, 188 in each case. I n this process, as shown in Fig. 3A, the support thread 130 can exclusively run in the machine direction (MD).
According to the embodiment rated in Fig. 3B, the one support thread 130 or the two support threads 130, 140 can form a plurality of slings or loops or eyes 191, where the corresponding support thread runs, in sections, against the longitudinal direction or machine direction. In this process, the first and the second support threads 130, 140 can run parallel to one another, so that they penetrate the warp 110 in the same stitch 187. Alternatively, they can be offset, so that they do not have matching ation points with the warp 110.
Similarly, it is possible that only one of the support threads 130, 140 forms eyes 191 or slings or loops, while the other support thread runs straight, as shown in Fig. 3A.
According to the embodiment illustrated in Fig. BC, the support thread 130 forms slings or eyes 191, which are densely spaced in such a manner that the support thread 130 ates every stitch 187, 188 of the warp. This means that each stitch 187, 188 of the warp 110 forms a penetration point 181 of the support thread 130. In this embodiment, the strength of the mesh can be further improved.
Due to the support thread, it is possible to achieve sed strength of the mesh. In other words, it is possible to use thinner threads for the different components, in particular, for the warps 110 and the weft threads 120, while the mesh s the same th, so that the weight of the mesh produced can be further reduced.
Fig. 4 shows an example of a rolled-up mesh. As the mesh, while retaining the same tensile strength, has a lower weight, more meters of the mesh according to the invention can be rolled into a role, while the weight of the overall role remains the same.
In the exemplary embodiments bed, one of the warps can be produced from a 9 plastic film thread. I n this process, such a thread is cut or extruded from a plastic film and then processed with the aid of the Raschel machine. Due to corresponding nit nit entwining, a warp is warp k or k from a thread. I n this process, it is also possible to knit an individual warp not only from one, but from two or more threads. The plastic film of a plasticfilm thread can have a thickness of 100um or less, in particular, of 80pm or less, in particular, of 60pm or less, in particular, of 40um or less. The width of the support thread can, for example, amount to 0.5 to 4mm. The support thread as well as the weft thread can, ue to the , be cut or extruded from a plastic film for the tion of at least one of the warps.
Due to its low mass and its high strength, the mesh according to the invention can be used to pack loose goods, such as hay, straw, vegetables, raw cotton, or other parts of plants. 106 0 R

Claims (10)

Claims
1. A Raschel mesh, sing: - a plurality of warps composed of stitches lined up next to one r, which extend parallel to one another in the longitudinal ion, - a plurality of weft threads, of which one weft thread runs to and fro between two adjacent warps and connects the adjacent warps to one another, and comprising - a first support thread, which runs along the stitches of a warp and penetrates the same at a plurality of points, and - a second support , which runs along the warp, wherein - the second support thread extends along the warp in the longitudinal direction, and wherein - the second support thread forms eyes in sections, in which it runs against the longitudinal direction.
2. The Raschel mesh ing to claim 1, wherein - the first support thread extends along the warp in the longitudinal direction, and n - the first support thread forms eyes in sections, in which it runs t the longitudinal direction.
3. The Raschel mesh according to claim 1 or 2, wherein the second support thread runs, at least partially, parallel to the first support thread.
4. The Raschel mesh according to any one of the preceding claims, wherein the first support thread penetrates every stitch of the warp.
5. The Raschel mesh according to any one of the preceding claims, wherein - the support threads are threaded into the warp in such a manner that they penetrate the warp at all warp links. 11
6. The Raschel mesh according to any one of the preceding claims, wherein, at a plurality of the warps, a first t thread is provided, which runs along the allocated warp and penetrates the same at a plurality of stitches.
7. The Raschel mesh ing to any one of the preceding claims, wherein the t thread is a c film thread.
8. The Raschel mesh according to any one of the preceding claims, wherein the thickness of the support thread is to 0.5mm to 4mm.
9. The Raschel mesh according to any one of the preceding claims, wherein the weft thread forms a zigzag pattern.
10. The Raschel mesh according to any one of claims 1 to 8, wherein the weft thread, after having penetrated an associated warp, runs, in parts, parallel to this warp. 21 0 R 12
IL267501A 2016-12-23 2019-06-19 Net having a support thread IL267501B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016125601.3A DE102016125601A1 (en) 2016-12-23 2016-12-23 Network with support thread
PCT/EP2017/083905 WO2018115175A1 (en) 2016-12-23 2017-12-20 Net having a support thread

Publications (2)

Publication Number Publication Date
IL267501A true IL267501A (en) 2019-07-31
IL267501B IL267501B (en) 2019-12-31

Family

ID=61027683

Family Applications (1)

Application Number Title Priority Date Filing Date
IL267501A IL267501B (en) 2016-12-23 2019-06-19 Net having a support thread

Country Status (6)

Country Link
US (1) US20200385902A1 (en)
EP (1) EP3559324B1 (en)
DE (1) DE102016125601A1 (en)
ES (1) ES2809215T3 (en)
IL (1) IL267501B (en)
WO (1) WO2018115175A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017127321A1 (en) * 2017-11-20 2019-05-23 Karatzis S.A. Industrial & Hotelier Enterprises Warning fence
CN111101283A (en) * 2020-01-13 2020-05-05 常州市鑫辉网具有限公司 Warp-lined warp-wise chain knitting structure for woven mesh and straw-bundling mesh applying warp-lined warp-wise chain knitting structure
US11535960B2 (en) * 2020-04-17 2022-12-27 Jhih Huei Trading Co., Ltd. Textile for shoe upper and shoe body including the same
IT202200005006A1 (en) * 2022-03-15 2023-09-15 Novatex Italia Spa Net for round balers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH507405A (en) * 1970-04-10 1971-05-15 Tuellwirkerei Und Weberei Zwic Radially uniformly distensible sausage or - heat prodsce enclosing tubular netting
JPS6025539B2 (en) * 1981-10-15 1985-06-19 長谷川経編工業株式会社 Warp knitted fabric
DE4301232C2 (en) * 1993-01-19 1996-07-25 Textilma Ag Process and device for the production of textile net-like flat structures
DE29708146U1 (en) * 1997-05-07 1997-06-26 Theodor Preuss GmbH & Co. KG, 76698 Ubstadt-Weiher network
AT3610U1 (en) * 1999-06-04 2000-06-26 Teufelberger Gmbh ROUND BALL NET
AT412096B (en) * 2002-08-27 2004-09-27 Landertshamer Friedrich Ing Knitted fabrics in the form of a mesh made of plastic ribbons
GR1005598B (en) 2005-02-23 2007-07-23 Καρατζη Βιομηχανικες Ξενοδοχειακες Επιχειρησεις Α.Ε. Production of protective meshed webs or fences provided with retro reflecting tapes
DE102009023169A1 (en) * 2009-05-29 2010-12-02 Natex Spitzen Gmbh & Co. Method for fixing the meshes of a barrier net, comprises connecting together chain- and shot threads of a net-blank to its contact point, where a fusion thread is connected with the net-blank
AT14185U1 (en) * 2014-01-24 2015-05-15 Alge Elastic Gmbh Retention net
DE202016105663U1 (en) * 2016-05-04 2016-10-27 Karatzis S.A. Industrial & Hotelier Enterprises Plastic net with double chains

Also Published As

Publication number Publication date
WO2018115175A1 (en) 2018-06-28
US20200385902A1 (en) 2020-12-10
EP3559324B1 (en) 2020-06-10
ES2809215T3 (en) 2021-03-03
IL267501B (en) 2019-12-31
EP3559324A1 (en) 2019-10-30
DE102016125601A1 (en) 2018-06-28

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