Classifications

• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
  • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
  • D03D15/573—Tensile strength
• • 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
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
  • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
  • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
  • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
  • A45B25/00—Details of umbrellas
  • A45B25/18—Covers; Means for fastening same
• • 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
  • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
  • D10B2321/042—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]
• • 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

Definitions

• the invention relates to a fabric for textile structures and / or covers with warp threads and weft threads of PTFE yarn, according to the preamble of claim 1.
• the invention further relates to a method for producing a fabric with warp threads and weft threads made of PTFE yarn, according to the preamble of claim 11.
• a generic fabric is known for example from EP 2 024 542 A1.
• the warp count is approximately twice the weft count.
• the warp thread is a single yarn, while the weft threads consist of a plied yarn with two monofilaments.
• This tissue which is of the Applicant, is very well suited for foldable umbrella constructions.
• the invention is based on the object of specifying a fabric for textile structures and / or coverings and a production method therefor, with which the high demands on strength, foldability and weather resistance are taken into account.
• the invention is on the one hand with a fabric for textile buildings or covers according to claim 1 and on the other hand solved by a method having the features of claim 1 1.
• Preferred embodiments are given in the respective dependent claims.
• the fabric according to the invention is characterized in that the fabric is woven in two or more layers with a weft number which substantially corresponds to the number of warp threads, and in that the fabric is of the same design on its upper side and on its lower side. It has been found that such a fabric construction for the architectural sector and in particular for textile structures and covers has a high strength and at the same time is still very easy to fold. The symmetrical construction at the top and the bottom counteracts combing out of the fabric even under heavy load.
• a preferred embodiment of the invention is that a warp thread system is provided with an upper chain and a lower chain and that the yarn of the upper chain corresponds to the yarn of the lower chain.
• the yarns are made of PTFE, so polytetrafluoroethylene. Due to the symmetrical design with upper chain and lower chain a very good folding behavior is achieved.
• the fabric has a thickness of about 1 mm or less.
• the fabric has a thickness between 0.8 mm and 1 mm.
• a sufficient water resistance is achieved at this thickness, as it is particularly desired for large-screen constructions.
• the fabric construction is free of any coating.
• the number of warp threads and the number of weft threads is between 50 and 90 threads per cm.
• the weft thread count and the warp thread count are about the same size.
• the weft thread number of the warp thread number deviates at most between 5 to 10 threads per cm.
• a warp count between 75 to 85 threads per cm, in particular 81 +/- 2 threads per cm, while a weft thread count of 75 to 85 threads per cm, specifically 77 +/- 2 threads per cm, is provided.
• a comparably good result according to a second embodiment of the invention is that the warp thread count is between 50 to 60 threads per cm, in particular 54 +/- 2 threads per cm, while a weft thread count of 50 to 60 threads per cm, in particular 58 + / - 2 threads per cm, is provided.
• the first embodiment is intended for particularly large screen constructions with a side length of 53 m and the second embodiment for a slightly smaller variant with 28 m side length.
• a further preferred embodiment of the invention consists in that the warp threads and the weft threads consist of a single yarn and / or twine.
• the warp threads and the weft threads are identical.
• a particularly high strength is achieved.
• a further improvement of the fabric properties for architectural applications is achieved according to an embodiment of the invention in that a titer of the warp threads corresponds to a denier of the weft threads, the titer being chosen to be particularly low.
• the titer of the monofilaments may be, for example, 350 to 370 dtex, in particular about 360 dtex. With such a small yarn size, a particularly soft handle is established.
• a titer of at least approximately 720 dtex can be set.
• the weft threads can consist of a mixture of monofilaments and twisted threads.
• the weft threads consist of a twisted yarn.
• the denier of the weft threads may suitably correspond to the denier of the warp threads.
• the denier of the individual filaments in the weft may be 350 dtex to 370 dtex, preferably about 360 dtex.
• the titer of the monofilaments can have the stated values.
• a twisted yarn can be understood in particular to mean that it is formed from at least two or more individual threads.
• the monofilaments usually need a bit more space in the fabric structure.
• a structure can be achieved which may be somewhat thicker and / or also particularly soft.
• a further preferred embodiment according to the invention is that when using twisted yarns or multiple yarns they have at least one monofilament which is provided with a color which differs from the color of the other threads of the yarn. As a result, a special color of the entire fabric can be achieved with high color stability.
• the number per unit length in the single shot can be twice the weft number. If, for example, 75 to 85 shots per cm are provided, ie if the weft thread number of the twisted weft threads is 75 to 85 threads as in the first embodiment, the number of single weft threads can be between 150 and 170 threads per cm. In the second smaller embodiment, the weft number of the twisted weft yarns is 50 to 60, while the number of the single weft yarns is 100 to 120.
• a twisted yarn can be used in which the individual threads are twisted to an increased extent.
• the yarn can be in this Case have two monofilaments whose titers, for example, 350 to 370 dtex, preferably about 360 dtex amount.
• a higher surface area and thus better water repellency are achieved, compared to a single denier with the same denier, which is particularly advantageous for use in outdoor architecture.
• the handle of the fabric can be improved by the weft threads and / or the warp threads are rotated together.
• the fabric has a weight between 900 g / m 2 and 1500 g / m 2 .
• the fabric has a fabric weight of 1400 g / m 2 in the first embodiment or 990 g / m 2 in the second embodiment.
• a particularly soft handle and a good water-tightness can be achieved according to the invention in that the fabric weave is a double-layered fabric or a multi-layered fabric.
• the fabric weave is a double-layered fabric or a multi-layered fabric.
• the tensile strength of the fabric it is particularly advantageous that the fabric is multi-ply, in particular double-ply woven.
• a warp and weft tensile strength of more than 10,750 Newton / 5 cm in the first embodiment or even 72,500 Newton / 5 cm in the second embodiment can be achieved in connection with the comparatively high warp and weft number.
• a seam tensile strength or comb-out in the first embodiment of 4,150 Newton / 5 cm or 2,650 Newton / 5 cm in the second embodiment can be achieved.
• white warp threads are used, while at least some of the weft threads are colored.
• periodically colored weft threads may be provided in the fabric structure. be seen while the remaining wefts are white.
• every fourth or every ninth can be executed in color.
• a colored fabric structure can be obtained in a particularly simple and economical manner.
• the embodiment since the colored threads are present only in a thread system, the embodiment allows particularly easy alignment of the fabric in the following processing steps.
• a highly harmonious and at the same time uniform fabric image is realized.
• a high mechanical strength in particular high wind resistance, a high resistance to aging, in particular UV resistance and / or a good shading property can be achieved.
• a screen construction is provided with a foldable umbrella frame mechanism and a planar screen disposed thereon, wherein according to the invention the screen comprises a fabric as previously described.
• the shield construction is designed in particular as a large umbrella construction, which has a diameter or a side length of at least 20 m, preferably between 25 m and 60 m. Even larger diameters and side lengths are conceivable.
• the foldable umbrella frame mechanism is basically known. This usually has a central mast, on which a plurality of arms is hinged, which are adjustable between a folded and a folded umbrella position via an actuator.
• the fabric according to the invention described above can also be used in sun-sider constructions, in large tent umbrellas, in awnings, foldable sunshades, in tent constructions and / or in panel structures.
• the stretched fabric preferably has widths of 20 m to 100 m. Such large spans can not be practically realized with conventional fabrics, since the fabrics are so strong for these sizes that foldability with the usual mechanical support mechanisms is no longer feasible.
• the screen it is preferable for the screen to have a side length or a diameter in a folded-open state. having at least 20 m, preferably between 25 m and 60 m.
• a screen size of 53 mx 53 m and in the second embodiment, a screen size of 28 mx 28 m is provided.
• the PTFE yarns are chemically particularly inert and UV-stable.
• the inventive method for producing a fabric as described above is characterized in that when shooting through the warp threads at least a monofilament and / or a thread is passed through a compartment of the warp threads.
• a loom with at least two or three yarn carriers and at least two or three feeder units for the color combinations of the fabric is suitably used.
• a particularly stable fabric construction according to a development of the method according to the invention can be achieved in that two or more weft threads are shot in the single-shot method per weave repeat, in particular two shots per repeat.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Woven Fabrics (AREA)
• Walking Sticks, Umbrellas, And Fans (AREA)

Priority Applications (8)

Applications Claiming Priority (1)

Publications (1)

Family

ID=52468975

Family Applications (1)

Country Status (8)

Citations (2)

Family Cites Families (10)

• 2015
  • 2015-01-14 TR TR2018/15630T patent/TR201815630T4/tr unknown
  • 2015-01-14 JP JP2017509015A patent/JP6594408B2/ja active Active
  • 2015-01-14 PL PL15703889T patent/PL3167102T3/pl unknown
  • 2015-01-14 PT PT15703889T patent/PT3167102T/pt unknown
  • 2015-01-14 ES ES15703889T patent/ES2699399T3/es active Active
  • 2015-01-14 HU HUE15703889A patent/HUE040262T2/hu unknown
  • 2015-01-14 EP EP15703889.4A patent/EP3167102B1/de active Active
  • 2015-01-14 WO PCT/EP2015/050582 patent/WO2016112973A1/de not_active Ceased

Patent Citations (2)

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