EP0152137A1 - Siebgewebe, Verfahren und Vorrichtung zu dessen Herstellung - Google Patents

Siebgewebe, Verfahren und Vorrichtung zu dessen Herstellung Download PDF

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Publication number
EP0152137A1
EP0152137A1 EP85200110A EP85200110A EP0152137A1 EP 0152137 A1 EP0152137 A1 EP 0152137A1 EP 85200110 A EP85200110 A EP 85200110A EP 85200110 A EP85200110 A EP 85200110A EP 0152137 A1 EP0152137 A1 EP 0152137A1
Authority
EP
European Patent Office
Prior art keywords
weft
fabric
paper
warp threads
type
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
EP85200110A
Other languages
English (en)
French (fr)
Other versions
EP0152137B1 (de
Inventor
Gerschon Stoppelmann
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.)
V Asten Fabrique De Feutres Pour Papeteries SC
Original Assignee
V Asten Fabrique De Feutres Pour Papeteries SC
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 V Asten Fabrique De Feutres Pour Papeteries SC filed Critical V Asten Fabrique De Feutres Pour Papeteries SC
Priority to AT85200110T priority Critical patent/ATE29157T1/de
Publication of EP0152137A1 publication Critical patent/EP0152137A1/de
Application granted granted Critical
Publication of EP0152137B1 publication Critical patent/EP0152137B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • D03D13/004—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 with weave pattern being non-standard or providing special effects
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths

Definitions

  • the present invention relates to a canvas, in particular to a fabric or felt for draining or drying strips of paper in paper machines, as well as to the process for the preparation of such a canvas and to a device. for the implementation of this process.
  • the object of the present invention is to solve the problem indicated above, without requiring a complicated weaving process or subsequent treatment of the fabric formed.
  • a canvas is provided, in particular a fabric or felt for the draining and drying of strips of paper in paper machines, having at least two longitudinal zones, the mutual connections of which between the warp threads. and the weft threads are arranged so as to provide different contact surfaces with the strip of paper to be drained and dried.
  • the fabric comprises a central longitudinal zone having a first type of connection and, on either side of the central zone, at least one lateral zone each having a type of connection, mutually identical or different, which is different from the above-mentioned first type and which provides a different contact surface from that provided by this first type of connection.
  • a process comprising, in a single weaving operation, the realization of a mutual connection between the warp threads and the weft threads which is different in at least two longitudinal zones of the fabric formed and which simultaneously ensures different contact surfaces with the strip of paper to be drained and dried.
  • a device for the implementation of this process, can be provided. . preparation of a canvas comprising a chain-forming mechanism, a control of this mechanism determining the movements of the warp threads and the formation of at least one crowd, a weft insertion mechanism in the crowd or crowds formed , and a control of the latter mechanism, this device being characterized in that it further comprises at least one mechanism for forming an additional chain, disposed laterally to the above-mentioned mechanism for forming a chain, and a control for each chain-forming mechanisms arranged side by side.
  • FIG. 1 is schematically illustrated a fabric preparation device according to the invention, in a very simple embodiment.
  • This weaving loom comprises a first beam 1, a thread-carrying roller 2 which returns the warp threads unwound from the beam 1 in the direction of the blades 3 and 3 ′, spanning rods 4 which order the warp threads, the blades 3 and 3 ′ whose healds 5 and 5 ′ support with the aid of eyelets 6 the warp threads 7, a comb 8 which maintains the distance between the warp threads, a shuttle 9 for the insertion of a weft thread 10, a deflection roller 11 for the finished fabric and a take-up roller 12 around which the finished fabric is wound.
  • the control members of this warping mechanism and of the weft insertion mechanism are well known and are not shown.
  • this loom further comprises a second beam 13 from which takes place a second series of warp threads, a second thread-carrying roller 14 and a second set of spanning rods 15 as well as second blades 16, 16 'and 16 "and a second comb 17.
  • the shuttle 9 is used to insert the weft thread 10 into the crowds of the two looms simultaneously.
  • the heddles of the blade 3 support three non-adjacent warp threads 7 in the high position and the heddles of the other blade 3 'the three remaining warp threads in the low position.
  • the warp threads 7 are thus across the width of the chain, alternately in the high and low position.
  • the heddles of the blade 16 support two warp threads in the high position, these two threads being separated from each other by two warp threads, the heddles of the blade 16 'support in the high position the two adjacent warp threads to those supported by the blade 16 and the heddles of the blade 16 "support in the low position the two remaining warp threads.
  • the warp threads 7, the blades 3 and 3 ′ pass through their reverse position. Therefore, in FIG. 1, the blade 3 will pass to the low position and the blade 3 'to the high position.
  • the blades 16, 16 'and 16 "have, in a offset manner the urea relative to the other / a cycle comprising a high position for two steps and a low position for one step.
  • a fabric is thus obtained whose connections between the warp threads and the weft thread are different over two longitudinal zones A and B of the fabric. It should be noted that these zones are woven together in a single weaving operation and that there is no additional operation to be planned for their preparation, such as for example sewing or welding the two zones.
  • the fabric shown is a double woven fabric and the warp threads 7 are shown hatched. It must be taken into account that the weft threads 10 remain relatively straight during weaving and that only the warp threads form the potential contact surface with the paper strip to be drained and dried. It is therefore particularly clear from this figure that the longitudinal area C has a contact surface (hatched area) significantly larger than its neighboring area D, while the area E has an intermediate contact area, of value close to that of the zcne C.
  • the density of the wires of the fabric does not vary over the width of the fabric and that it is only the connections of the wires, and therefore the contact surface, which varies over the width of the fabric. It could of course also be envisaged to vary, for example, the number of warp threads in a given area.
  • FIGS. 3 and 4 represent a view in longitudinal section through the area A and respectively the area B of the fabric illustrated in FIG. 1.
  • FIGS. 5 to 7 represent a view in longitudinal section through the areas C, D and respectively E of the fabric according to FIG. 2. These examples illustrate in particular areas of fabric obtained by weaving, in a known manner, with a double crowd. There is therefore then insertion of several weft threads simultaneously or possibly successively.
  • the embodiment illustrated in FIG. 6 (zone C) allows a very large contact surface and a very high pressing force and is therefore intended for the longitudinal zones of the strip of paper whose moisture content is very high.
  • the moisture content of a strip of paper is, in its central longitudinal region, different from that of its marginal regions.
  • This phenomenon is illustrated by the graph in FIG. 8 which shows the width of the paper strip on the abscissa, for example 7 m, and the moisture content on the ordinate. It can be seen from this graph that the marginal zones are drier than the central zone.
  • the drip and drying fabric then preferably comprises a central longitudinal zone ensuring a relatively high contact surface between this zone and the more humid central zone of the paper strip and, on either side of this central longitudinal zone, longitudinal zones ensuring a relatively lower contact surface. The variation of the pressing force thus obtained over the width of the paper strip allows it to be drained and uniformly dried over its entire width.
  • this arrangement of the longitudinal zones of the fabric is provided as a function of the paper to be dried.
  • the paper has more humid areas at the edges and a drier central area and, in this case, the arrangement of the areas of the fabric is reversed with respect to the embodiment described above.
  • a canvas area with a suitable contact surface will be provided for each edge.
  • the contact surface varies, across the width, constantly increasing or decreasing from the central area towards the edges of the fabric.
  • the production of a fabric having any variation in contact surface over its width can in any case be envisaged according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Woven Fabrics (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Materials For Medical Uses (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Coloring (AREA)
EP85200110A 1984-02-15 1985-02-01 Siebgewebe, Verfahren und Vorrichtung zu dessen Herstellung Expired EP0152137B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85200110T ATE29157T1 (de) 1984-02-15 1985-02-01 Siebgewebe, verfahren und vorrichtung zu dessen herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8402271A FR2559511B1 (fr) 1984-02-15 1984-02-15 Toile, procede pour sa preparation et dispositif pour la mise en oeuvre d'un tel procede
FR8402271 1984-02-15

Publications (2)

Publication Number Publication Date
EP0152137A1 true EP0152137A1 (de) 1985-08-21
EP0152137B1 EP0152137B1 (de) 1987-08-26

Family

ID=9301056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85200110A Expired EP0152137B1 (de) 1984-02-15 1985-02-01 Siebgewebe, Verfahren und Vorrichtung zu dessen Herstellung

Country Status (6)

Country Link
EP (1) EP0152137B1 (de)
AT (1) ATE29157T1 (de)
DE (1) DE3560517D1 (de)
FI (1) FI81623C (de)
FR (1) FR2559511B1 (de)
NO (1) NO162869C (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0624668A1 (de) * 1992-11-09 1994-11-17 Kikuchi Web Tech Co., Ltd. Webstoffe
US6116156A (en) * 1997-07-03 2000-09-12 Voith Sulzer Papiermaschinen Gmbh Machine for producing a continuous material web
CN105074068A (zh) * 2013-02-22 2015-11-18 埃尔塞乐公司 具有并列框架的编织机，使用该编织机的编织方法以及因此编织形成的预型件

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925832A (en) * 1958-07-18 1960-02-23 Ernest R Bowser Satin weave with twill effect
US4231401A (en) * 1978-06-16 1980-11-04 Unaform, Inc. Fabric for papermaking machines
EP0050766A1 (de) * 1980-10-16 1982-05-05 Huyck Corporation Trocknergewebe sowie Verfahren zu dessen Herstellung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH455670A (de) * 1966-04-13 1968-07-15 Sulzer Ag Kettablasseinrichtung
DE2533763C2 (de) * 1975-07-29 1980-01-10 Grosse Webereimaschinen Gmbh, 7910 Neu-Ulm Leisten-Jacquardmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925832A (en) * 1958-07-18 1960-02-23 Ernest R Bowser Satin weave with twill effect
US4231401A (en) * 1978-06-16 1980-11-04 Unaform, Inc. Fabric for papermaking machines
EP0050766A1 (de) * 1980-10-16 1982-05-05 Huyck Corporation Trocknergewebe sowie Verfahren zu dessen Herstellung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0624668A1 (de) * 1992-11-09 1994-11-17 Kikuchi Web Tech Co., Ltd. Webstoffe
EP0624668A4 (de) * 1992-11-09 1995-01-25 Kikuchi Web Tech Co Ltd Webstoffe.
US5562967A (en) * 1992-11-09 1996-10-08 Kikuchi Web Tech Co., Ltd Woven fabric/plastic sheet combined structure and method for constructing same
US6116156A (en) * 1997-07-03 2000-09-12 Voith Sulzer Papiermaschinen Gmbh Machine for producing a continuous material web
CN105074068A (zh) * 2013-02-22 2015-11-18 埃尔塞乐公司 具有并列框架的编织机，使用该编织机的编织方法以及因此编织形成的预型件

Also Published As

Publication number Publication date
NO850582L (no) 1985-08-16
FI850595A0 (fi) 1985-02-13
FI850595L (fi) 1985-08-16
NO162869C (no) 1990-02-28
FI81623C (fi) 1990-11-12
EP0152137B1 (de) 1987-08-26
FR2559511B1 (fr) 1987-01-09
DE3560517D1 (en) 1987-10-01
FI81623B (fi) 1990-07-31
ATE29157T1 (de) 1987-09-15
NO162869B (no) 1989-11-20
FR2559511A1 (fr) 1985-08-16

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