EP0452185A1 - Endloses Transportband für eine Schrumpfvorrichtung - Google Patents

Endloses Transportband für eine Schrumpfvorrichtung Download PDF

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Publication number
EP0452185A1
EP0452185A1 EP91400844A EP91400844A EP0452185A1 EP 0452185 A1 EP0452185 A1 EP 0452185A1 EP 91400844 A EP91400844 A EP 91400844A EP 91400844 A EP91400844 A EP 91400844A EP 0452185 A1 EP0452185 A1 EP 0452185A1
Authority
EP
European Patent Office
Prior art keywords
belt
thickness
fabric
sleeve
cylinder
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
EP91400844A
Other languages
English (en)
French (fr)
Other versions
EP0452185B1 (de
Inventor
Gérard Rich
Gilbert Zimmermann
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.)
MacDermid Graphics Solutions Europe SAS
Original Assignee
Rollin SA
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 Rollin SA filed Critical Rollin SA
Publication of EP0452185A1 publication Critical patent/EP0452185A1/de
Application granted granted Critical
Publication of EP0452185B1 publication Critical patent/EP0452185B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C21/00—Shrinking by compressing
    • D06C21/005—Compacting belts

Definitions

  • the present invention essentially relates to an endless belt cooperating with at least one cylinder to shrink a sheet material such as for example fabric or paper, interposed between the belt and the cylinder.
  • Machines for shrinking fabrics have been known for a long time, comprising in particular a withdrawal station where the fabric is driven by passing between a heating cylinder and an endless belt forming a sort of sleeve passing around a plurality of rollers and driving the fabric. which can slide on the heating cylinder.
  • the belts or sleeves used hitherto in shrinking machines of the above kind were made of a single material and had in particular the drawback of allowing only a limited shrinking of the fabric, that is to say say a shrinkage that cannot exceed a certain threshold, which can be disadvantageous for certain types of tissue requiring high shrinkage.
  • the object of the present invention is to remedy these drawbacks by proposing an improved endless belt which can impart fabric or other sheet material has a much greater shrinkage than that provided by known endless belts.
  • the subject of the invention is an endless belt intended to cooperate with at least one cylinder to shrink a sheet material such as fabric, paper or the like, interposed between belt and cylinder, under the effect of a change in the curvature of the belt driving this material, characterized in that said belt is made of at least two materials, one of which constitutes the fraction of belt thickness on the side of the sheet material is more flexible than the other material constituting the other thickness fraction or remaining thickness of said belt, so as to confer on the latter differential elasticity properties and adapted to the material to be shrunk.
  • a material forming a core is provided between the two aforementioned thickness fractions of the belt.
  • the two thickness fractions of the belt are preferably made of an elastomer having a different modulus of elasticity and between approximately 0.1 and 10 megapascals (MPa).
  • the thickness of each of the two fractions of thickness of the belt is between approximately 1 and 50 mm, while the thickness of the core is between approximately 0 and 50 mm.
  • this belt may include a relief, such as notching, embossing, grooving or the like, on its surface opposite to that in contact with the sheet material.
  • the invention also relates to a machine for shrinking fabrics or other materials comprising in particular a withdrawal station with an endless belt driving the fabric and cooperating with a heating cylinder, this machine being characterized in that said endless belt responds to one either of the above features.
  • Figure 1 is a schematic view in elevation of a machine for shrinking fabrics including a withdrawal station equipped with a belt according to the invention.
  • Figure 2 is a cross-sectional view of this belt.
  • the fabric is in the form of a strip identified as a T in FIG. 1 and is firstly moistened at station 1 with steam and / or water sprayed by nozzles or the like 2.
  • the fabric then passes over an apparatus 3 of a type known per se and giving the strip of fabric T a constant width and able to allow the passage of said strip in a withdrawal station marked generally at 23.
  • This removal station essentially comprises a heating cylinder 4 cooperating, as shown, with an endless belt 5 forming a sleeve and passing around three rollers 6, 7 and 8.
  • the strip of fabric T passes between the heating cylinder 4 and the sleeve 5 which, by its external surface 5a, drives said strip which can slide on the periphery of the cylinder 4. More specifically, the sleeve 5 rotates around the heating cylinder 4 being guided by the rollers, 6, 7 and 8 which bend its course .
  • the fabric entry roller 6 can be actuated by a pressurization system (not shown) which applies the sleeve 5 against the cylinder 4.
  • the roller 8 placed at the exit of the fabric strip T from the withdrawal station 23, is released from the cylinder 4 and allows the adjustment in tersion of the sleeve 5 in use.
  • the intermediate roller 7 is positioned in the lower part of the withdrawal station 23, as can be seen in FIG. 1.
  • the strip of fabric T is entrained at the compression point P of the inlet roller 6 between the external surface 5a of the sleeve 5 and the periphery of the heating cylinder 4. It is at this level there, it is that is, beyond the compression point P, the removal of the tissue is effected due to the inversion of the curvature of the sleeve 5.
  • the external surface 5a of the strip of fabric T above the input roller 6 is curved convex, while it is curved concave beyond the point P, so that the fabric hung on the surface 5a will shrink at this location due to the "elastic shrinkage" generated by the concave shaping of the external surface 5a of the sleeve 5.
  • the strip of fabric T leaves the withdrawal station 23 to reach a calendering station 9 which makes it possible to dry the strip of fabric and above all to complete its fixing and therefore to freeze the narrowed arrangement of the warp and weft threads. of the fabric strip.
  • the endless belt or sleeve 5 is made of two materials, one of which is more flexible than the other. More precisely, the thickness fraction or layer 10 of the belt 5 situated on the side of the strip of fabric or other similar material and consequently comprising the external surface 5a previously mentioned, is more flexible than the other material. constituting the other thickness fraction or layer 11 forming in a way the internal surface of the belt or sleeve 5.
  • the two layers 10, 11 are made of an elastomer therefore having a different modulus of elasticity and which can be between 0.1 and 10 MPa.
  • the thickness of the two layers 10, 11 can be variable depending on the nature of the fabric to be treated and can be between for example 1 and 50 mm.
  • the core 12 is present, its thickness can be between approximately 0 and 50 mm.
  • the internal layer 11 of the sleeve 5 may include reliefs forming for example a notch, an embossing, a grooving or the like, on its surface 11a opposite the external surface 5a in contact with the fabric or the like T, as is schematically shown in 13.
  • a good attachment of the sleeve or of the belt 5 on the rollers 6, 7 and 8 is advantageously obtained, which can only improve the efficiency of the shrinking station 23.
  • this belt will have differential elasticity properties and adapted to the sheet material, such as fabric, paper or the like, which one wishes to shrink.
  • the amount of shrinkage on the fabric is a function of the thicknesses and relative elastic moduli of the two layers or fractions of thickness 10,11 of the sleeve 5.
  • the core 12 of the sleeve 5 could be present or absent, and the different thicknesses or elastic moduli of the two layers 10 and 11 can be any and suitable for sheet materials, such as fabrics, papers or the like, which one wishes to shrink.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Paper (AREA)
  • Belt Conveyors (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
EP91400844A 1990-04-12 1991-03-28 Endloses Transportband für eine Schrumpfvorrichtung Expired - Lifetime EP0452185B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9004750 1990-04-12
FR9004750A FR2660978B1 (fr) 1990-04-12 1990-04-12 Courroie sans fin cooperant avec au moins un cylindre pour retrecir un materiau en feuille interpose entre courroie et cylindre, et machine a retrecir les tissus equipee de cette courroie.

Publications (2)

Publication Number Publication Date
EP0452185A1 true EP0452185A1 (de) 1991-10-16
EP0452185B1 EP0452185B1 (de) 1996-03-13

Family

ID=9395732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91400844A Expired - Lifetime EP0452185B1 (de) 1990-04-12 1991-03-28 Endloses Transportband für eine Schrumpfvorrichtung

Country Status (9)

Country Link
EP (1) EP0452185B1 (de)
JP (1) JP2997086B2 (de)
AT (1) ATE135421T1 (de)
CA (1) CA2040295C (de)
DE (1) DE69117789T2 (de)
ES (1) ES2087977T3 (de)
FR (1) FR2660978B1 (de)
NZ (1) NZ237781A (de)
ZA (1) ZA912673B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085117A1 (de) * 1999-09-01 2001-03-21 Huyck Austria Ges. m.b.H. Textilmaschinenfilz
EP1489216A2 (de) * 2003-06-16 2004-12-22 Brückner Trockentechnik GmbH & Co. KG Vorrichtung zum Kompaktieren von textilen Warenbahnen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8980062B2 (en) * 2012-12-26 2015-03-17 Albany International Corp. Industrial fabric comprising spirally wound material strips and method of making thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899545A (en) * 1958-06-26 1962-06-27 Btr Industries Ltd Improvements in woven fabrics incorporated in belts or other rubber or plastic coated composite products
FR1425075A (fr) * 1964-02-21 1966-01-14 Dunlop Rubber Co Perfectionnements aux courroies
GB1390603A (en) * 1970-12-18 1975-04-16 Bba Group Ltd Belting carcasses
EP0295354A1 (de) * 1987-06-16 1988-12-21 Santex AG Verfahren zum Glätten und Schrumpfen von textiler Schlauchware
EP0351482A1 (de) * 1988-07-18 1990-01-24 Santex AG Verfahren und Vorrichtung zum Glätten und Schrumpfen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899545A (en) * 1958-06-26 1962-06-27 Btr Industries Ltd Improvements in woven fabrics incorporated in belts or other rubber or plastic coated composite products
FR1425075A (fr) * 1964-02-21 1966-01-14 Dunlop Rubber Co Perfectionnements aux courroies
GB1390603A (en) * 1970-12-18 1975-04-16 Bba Group Ltd Belting carcasses
EP0295354A1 (de) * 1987-06-16 1988-12-21 Santex AG Verfahren zum Glätten und Schrumpfen von textiler Schlauchware
EP0351482A1 (de) * 1988-07-18 1990-01-24 Santex AG Verfahren und Vorrichtung zum Glätten und Schrumpfen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085117A1 (de) * 1999-09-01 2001-03-21 Huyck Austria Ges. m.b.H. Textilmaschinenfilz
EP1489216A2 (de) * 2003-06-16 2004-12-22 Brückner Trockentechnik GmbH & Co. KG Vorrichtung zum Kompaktieren von textilen Warenbahnen
EP1489216A3 (de) * 2003-06-16 2005-09-21 Brückner Trockentechnik GmbH & Co. KG Vorrichtung zum Kompaktieren von textilen Warenbahnen

Also Published As

Publication number Publication date
DE69117789T2 (de) 1996-10-02
ES2087977T3 (es) 1996-08-01
NZ237781A (en) 1993-09-27
JPH04228694A (ja) 1992-08-18
JP2997086B2 (ja) 2000-01-11
CA2040295A1 (en) 1991-10-13
ATE135421T1 (de) 1996-03-15
DE69117789D1 (de) 1996-04-18
FR2660978A1 (fr) 1991-10-18
FR2660978B1 (fr) 1992-08-14
ZA912673B (en) 1992-01-29
EP0452185B1 (de) 1996-03-13
CA2040295C (en) 2004-04-06

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