EP0300176B1 - Band mit Vliesstoff für Treib- und Antriebsriemen, Transport- und Förderbänder - Google Patents

Band mit Vliesstoff für Treib- und Antriebsriemen, Transport- und Förderbänder Download PDF

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Publication number
EP0300176B1
EP0300176B1 EP88108804A EP88108804A EP0300176B1 EP 0300176 B1 EP0300176 B1 EP 0300176B1 EP 88108804 A EP88108804 A EP 88108804A EP 88108804 A EP88108804 A EP 88108804A EP 0300176 B1 EP0300176 B1 EP 0300176B1
Authority
EP
European Patent Office
Prior art keywords
fibers
conveyor belts
fibres
drive
belt
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
EP88108804A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0300176A3 (en
EP0300176A2 (de
Inventor
Manfred Föhst
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.)
Lohmann GmbH and Co KG
Original Assignee
Lohmann GmbH and Co KG
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 Lohmann GmbH and Co KG filed Critical Lohmann GmbH and Co KG
Priority to AT88108804T priority Critical patent/ATE71051T1/de
Publication of EP0300176A2 publication Critical patent/EP0300176A2/de
Publication of EP0300176A3 publication Critical patent/EP0300176A3/de
Application granted granted Critical
Publication of EP0300176B1 publication Critical patent/EP0300176B1/de
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
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4242—Carbon fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4234—Metal fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/645—Impregnation followed by a solidification process
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics

Definitions

  • the invention relates to a belt for drive and drive belts, conveyor and conveyor belts with metal fibers.
  • Driving and driving belts, conveyor and conveyor belts are manufactured using nonwovens, among other things, which have the least possible stretch and possibly a certain elasticity in order to avoid elongation of the conveyor belt during its use and the consequent re-tensioning.
  • DE-A-20 16 403 it was proposed to use a base fabric for tufted carpets and needle-punched nonwovens to avoid static charging of carpets, which has filament yarns or fiber yarns from a fiber mixture with metal fibers or metallized fibers.
  • DE-C-19 17 587 also describes the addition of metal, preferably steel fibers, to a laminate made of different fiber materials.
  • DE-C-24 57 542 has already proposed Metal fibers, especially steel fibers, to be incorporated into the felt with which these plates were covered.
  • Conductive cloths made of a nonwoven with a metal fiber content for filter purposes have been described in "Textile Institute and Industry", 7 , 1972, p.199.
  • a conveyor belt made of a synthetic textile woven material is known, which is equipped to prevent electrostatic charging, whereby to reduce the electrical resistance at least the warp threads of the woven belt consist of metal threads that have a diameter in the They are of the order of 15/100 mm and have a mutual distance of the order of 1 cm.
  • fabrics have problems with stretchability.
  • nonwovens are used which were not subject to any special requirements with regard to resistance to linear expansion and are not suitable for conveyor belts.
  • a generic band material having metal fibers in which the band is formed from a nonwoven fabric which contains 1 to 10% by weight of steel fibers, the steel fibers being arranged uniformly over the entire cross section of the nonwoven.
  • nonwovens can be used as fiber nonwovens, for example needled nonwovens, random fiber nonwovens or the like.
  • the fiber mixture of the nonwoven fabric can have synthetic and / or natural and / or regenerated fibers, such as, for example, polyester, polyamide, polypropylene, polyacrylic, cotton, coconut, rayon fibers or the like.
  • the tape has one or more high-strength, low-stretch yarns, filaments, fabrics or scrims made of synthetic and / or natural and / or regenerated fibers.
  • Suitable fibers can include polyester, polyamide, polypropylene, wool, polyaramid, glass and ceramic fibers or combinations thereof.
  • Those which have at least one metal or elementary carbon can be used as electrically conductive fibers.
  • Steel fibers or copper fibers are suitable for this purpose, but it is also possible to use metallized, for example copper-plated or silver-plated threads.
  • Carbon here means conductive carbon modifications, such as graphite whiskers.
  • steel fibers with a titer of 0.8-18 dtex, preferably 3-10 dtex and a staple length of 20-80 mm have proven to be advantageous for these purposes.
  • the surface resistance of the nonwoven material at 100 V voltage is 102 to 108, preferably 104 to 106 ohms.
  • Hydrophobic binders such as nitrile-butadiene rubber and / or styrene-butadiene rubber latex, can be used.
  • a conductive nonwoven for drive belts, conveyor belts and conveyor belts is preferably made of a mechanically needled synthetic fiber fleece with incorporated conductive fibers and a binder with which the base nonwoven is impregnated.
  • conductive fibers are added to the nonwoven, then the mechanically consolidated nonwoven is impregnated with a binder solution and then dried at a temperature of 100 ° C.
  • the fiber mixture of the nonwoven fabric can have synthetic and / or natural and / or regenerated fibers.
  • polyester fibers, polypropylene fibers or mixtures thereof have proven to be favorable as synthetic fibers, in particular because of their high durability, but also because of the low price.
  • Particularly preferred electrically conductive fibers are those which have at least one highly conductive and have flexible metal such as copper, iron, aluminum, or fibers or elemental carbon coated with a conductive metal.
  • Preferred binders are nitrile-butadiene rubber and / or styrene-butadiene rubber latex.
  • Aqueous dispersions of nitrile-butadiene rubber, styrene-butadiene rubber latex or solvent-based binders such as polyurethane, polyvinyl chloride, polyacrylate or mixtures thereof can be used as binders.
  • the ratio of fiber to binder can preferably be 1: 2 to 2: 1, particularly preferably 1: 1 parts by weight.
  • the impregnated and dried nonwoven can then be sanded on one or both sides, for example with emery paper, to improve the surface.
  • a fleece suitable for the production of drive belts, conveyor and conveyor belts can have thicknesses of 1-8 mm, preferably 2-5 mm and a basis weight of 300-6,000, preferably 1,000-4,000 g / m2.
  • a conductive nonwoven for drive belts, conveyor and conveyor belts according to the invention consists of a preferably synthetic nonwoven, which has been mechanically consolidated, binders and fillers, dyes and vulcanizing agents, in which the fiber mixture contains 1-10 percent by weight of conductive fibers made of steel, graphite, cellulose or contains silver-plated or copper-containing fibers.
  • a band according to the invention is formed by a nonwoven layer 10, here with 10% by weight of steel fibers with 6 dtex.
  • the cross section of FIG. 2 shows that the steel fibers are evenly distributed over the entire thickness of the fleece.
  • polyester fabric or scrim with a basis weight of approx. 100 g / qm from 6 threads 1100 dtex in the longitudinal direction and 3 threads 1100 dtex in the transverse direction
  • 950 g / qm polyester fibers each consisting of 2 parts 6.7 dtex are used on both sides and 1 part of 17 dtex, to which 2% by weight of steel fibers of 9 dtex had been added, so that the thickness of the fleece was 6 mm, the weight per unit area was 2000 g / m 2 and the density was 0. 33 g / cubic centimeter.
  • the base fleece is then impregnated with 100% by weight of nitrile-butadiene rubber latex, to which 25% by weight of calcium carbonate as filler and 5% by weight of vulcanizing agent made from sulfur and zinc oxide are added, coagulated in an infrared shaft, washed out, dewatered, and then dried and vulcanized at 150 degrees Celsius. Then the binder-strengthened nonwoven is sanded on both sides with emery paper, grain size 120, so that a uniformly smooth surface and a thickness of 5.5 mm are produced.
  • the product has a surface resistance of 1x 105 Ohm at 100 V applied voltage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Belt Conveyors (AREA)
  • Woven Fabrics (AREA)
  • Nonwoven Fabrics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Laminated Bodies (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Artificial Filaments (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Package Frames And Binding Bands (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Conductive Materials (AREA)
EP88108804A 1987-07-22 1988-06-01 Band mit Vliesstoff für Treib- und Antriebsriemen, Transport- und Förderbänder Expired - Lifetime EP0300176B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88108804T ATE71051T1 (de) 1987-07-22 1988-06-01 Band mit vliesstoff fuer treib- und antriebsriemen, transport- und foerderbaender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3724328 1987-07-22
DE19873724328 DE3724328A1 (de) 1987-07-22 1987-07-22 Band mit vliesstoff fuer treib- und antriebsriemen, transport- und foerderbaender

Publications (3)

Publication Number Publication Date
EP0300176A2 EP0300176A2 (de) 1989-01-25
EP0300176A3 EP0300176A3 (en) 1990-04-11
EP0300176B1 true EP0300176B1 (de) 1992-01-02

Family

ID=6332154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108804A Expired - Lifetime EP0300176B1 (de) 1987-07-22 1988-06-01 Band mit Vliesstoff für Treib- und Antriebsriemen, Transport- und Förderbänder

Country Status (9)

Country Link
EP (1) EP0300176B1 (da)
AT (1) ATE71051T1 (da)
DE (2) DE3724328A1 (da)
DK (1) DK330988A (da)
ES (1) ES2028181T3 (da)
FI (1) FI86894C (da)
IE (1) IE60892B1 (da)
NO (1) NO882960L (da)
PT (1) PT87899B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126117C2 (de) * 1991-04-08 1994-04-07 Lohmann Gmbh & Co Kg Festigkeitsträger für Transportbänder
IT1313522B1 (it) * 1999-05-27 2002-07-24 Antonio Antoniazzi Tappeto trasportatore elastico con fibre conduttrici per lo scarico dielettricita'statica e macchina palissonatrice con detto tappeto.
US20070167292A1 (en) * 2006-01-19 2007-07-19 Kuo Hai P Endless belt for treadmill
EP1813316A1 (en) * 2006-01-31 2007-08-01 Hai-Pin Kuo Endless belt for exercise treadmill

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8334233U1 (de) * 1984-03-01 Continental Gummi-Werke Ag Kraftübertragungsriemen
DE1750073A1 (de) * 1963-03-27 1971-01-07 John Bright & Brothers Ltd Riemen
DE2016403A1 (en) * 1970-04-07 1971-10-28 Gebhard & Co AG, 5600 Wuppertal Base fabric for needled carpet and felt
FR2181564B1 (da) * 1972-04-28 1974-07-26 Boinet Manuf Gle Caoutch
US3998986A (en) * 1975-02-03 1976-12-21 Uniroyal Inc. Conveyor belt of rubber reinforced with stitch-bonded web fabric
US4154335A (en) * 1977-11-04 1979-05-15 Albany International Corp. Conveyor belting and method of manufacture
GB1589467A (en) * 1977-12-02 1981-05-13 Bright & Bros Ltd John Reinfrorced conveyor belting
DE2826953A1 (de) * 1978-06-20 1980-01-10 Bayer Ag Druckluftfilter-nadelfilz
FR2511637A1 (fr) * 1981-08-24 1983-02-25 Albany Int Corp Procede de fabrication d'une courroie transporteuse, et courroie en resultant

Also Published As

Publication number Publication date
DK330988D0 (da) 1988-06-16
PT87899B (pt) 1993-09-30
DK330988A (da) 1989-01-23
EP0300176A3 (en) 1990-04-11
DE3724328C2 (da) 1990-02-15
NO882960D0 (no) 1988-07-01
IE60892B1 (en) 1994-08-24
ATE71051T1 (de) 1992-01-15
FI86894C (fi) 1992-10-26
IE881705L (en) 1989-01-22
DE3724328A1 (de) 1989-02-09
FI86894B (fi) 1992-07-15
FI883011A (fi) 1989-01-23
NO882960L (no) 1989-01-23
DE3867348D1 (de) 1992-02-13
PT87899A (pt) 1989-06-30
FI883011A0 (fi) 1988-06-22
ES2028181T3 (es) 1992-07-01
EP0300176A2 (de) 1989-01-25

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