EP1108086A1 - Tissue marking fabric - Google Patents
Tissue marking fabricInfo
- Publication number
- EP1108086A1 EP1108086A1 EP99940402A EP99940402A EP1108086A1 EP 1108086 A1 EP1108086 A1 EP 1108086A1 EP 99940402 A EP99940402 A EP 99940402A EP 99940402 A EP99940402 A EP 99940402A EP 1108086 A1 EP1108086 A1 EP 1108086A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarns
- warp
- weft
- fabric
- yarn
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- 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
- This invention relates to a papermaker's fabric intended primarily for
- patterned tissues which may be used for example
- tissue paper manufacture as a forming or drying fabric in the process of tissue paper manufacture.
- the imprint in this case is caused by providing systematically
- the drainage may be any material that relatively slow.
- the drainage may be any material that relatively slow.
- the drainage may be any material that is relatively slow.
- One method of producing areas of different drainage rate is to provide
- This disclosure also relates to relatively high, e.g.
- WO 93/10304 (Nordiskafilt) relates to a papermachine fabric designed
- warp threads wherein the warp thread systems are interconnected by interlacing
- yarn floats are produced by the yarns of the lower warp system on the
- An object of the invention is to provide a tissue marking fabric
- a throughair drying fabric which is capable of producing desired marking of
- the tissue but can be produced without use of supplementary or auxiliary
- a tissue marking fabric comprises
- At least one weft yarn system and at least two warp yarn systems at least one weft yarn system and at least two warp yarn systems, at least
- the floats being provided by the interlacing yarns.
- two weft yarn systems may be provided,
- the yarns of the upper weft yarn system at least some of the warp yarns
- weft yarn floats in the upper weft yarn system, which is on the tissue
- the warp yarn systems are interlaced in the
- a second warp yarn system comprising yarns which are
- systems may involve alternate right and left twists given to the second system warp yarns.
- Fig. 1 is a weave diagram of a first embodiment of tissue marking
- Fig. 2 is a weave diagram of a second embodiment of tissue marking
- Fig. 1 shows a two-ply 10 shaft repeat weave fabric which has two
- weft yarn systems 1 and 2 forming upper and lower fabric plies or layers.
- the first upper (tissue side) weft yarn system 1 comprises a
- system 2 similarly comprises a plurality of weft yarns 4a-4j, which are
- a plurality of warp yarns are woven with the lower system 2, a
- Successive warp yarns 6 may be stepped one
- weft thread of the first yarn system such as 3f-3j as shown in the drawing,
- Yarn 6 and yarn 5 are interlaced once in each repeat, as shown
- Fig. 2 shows a single ply 8 shaft repeat weave fabric which has a
- a system of warp yarns such as 13 is interwoven into the yarn
- yarns may be relatively displaced to the left or right of the drawing by one
- a further layer of warp direction yarns 14 is provided, and these as
- Each successive warp yarn is preferably advanced to right or left in the drawing by the space of one weft yarn.
- yarns 14 of the further layer provide extensive warp direction floats, in
- the distribution of knuckles and floats may be arranged in the
- tissue contacting layer as desired to provide any suitable pattern on the
- marked tissue for example reticular, or conforming to a decorative image.
- the interlacing of the warp yarns 5, 6 can be achieved by the warp
- a fabric may contain layers or areas
Landscapes
- Woven Fabrics (AREA)
Abstract
A tissue marking fabric comprises at least two warp yarn systems (5, 6) and one or two weft yarn systems (3, 4). The warp yarn systems are interlaced at spaced intervals, and extensive floats are provided either in the upper weft yarn system (3) extending in the cross-machine direction, or in the upper warp yarn system (14).
Description
TISSUE MARKING FABRIC
This invention relates to a papermaker's fabric intended primarily for
use in the production of patterned tissues, which may be used for example
as a forming or drying fabric in the process of tissue paper manufacture.
WO 96/35018 (Kimberly-Clark) describes the formation of patterns
in a paper or tissue sheet using an integral woven structure on the fabric
surface. The imprint in this case is caused by providing systematically
distributed densely woven areas in the fabric where drainage of water is
relatively slow. As disclosed in the said specification, the drainage may be
impeded by incorporation of additional filaments or fibres on top of or within
the forming fabric weave pattern, or by a film or coating which blocks or
fills void space within the fabric through which water could otherwise drain.
Over the areas of impeded drainage, a thinner layer of relatively long fibres
tends to be deposited, whilst shorter fibres migrate and are concentrated in
the area of more rapid drainage, producing a thicker, less translucent tissue
over the faster drainage areas.
One method of producing areas of different drainage rate is to provide
long yarn floats in the tissue contacting surface of the forming or drying
fabric. US 5,429,686 (Chiu) discloses a patterned fabric with long warp
floats provided as an additional sculpting layer superimposed upon the
normal fabric weave. These sculpting layer floats can produce a lineated
or discrete area pattern. This disclosure also relates to relatively high, e.g.
over 65% warp cover fabrics, which makes for poor air permeability or
drainage.
WO 93/10304 (Nordiskafilt) relates to a papermachine fabric designed
to reduce marking of the paper or tissue web by a forming fabric comprising
at least two systems of warp threads and at least one system of weft
threads, wherein the warp thread systems are interconnected by interlacing
the yarns of one warp thread system with the yarns of the other, at least
once in each pattern repeat. In a single weft embodiment, extensive warp
yarn floats are produced by the yarns of the lower warp system on the
machine face of the fabric.
An object of the invention is to provide a tissue marking fabric
suitable for use in the wet end of a tissue machine as a forming wire, or as
a throughair drying fabric, which is capable of producing desired marking of
the tissue, but can be produced without use of supplementary or auxiliary
yarns to produce areas of altered drainage.
In accordance with the invention, a tissue marking fabric comprises
at least one weft yarn system and at least two warp yarn systems, at least
two of the warp yarn systems being interlaced with each other,
characterised by the provision of extensive yarn floats on the tissue
contacting face of the fabric in either a warp yarn system and/or a weft
yarn system, the floats being provided by the interlacing yarns.
In a first embodiment, two weft yarn systems may be provided,
extending in the cross-machine direction. Two separate warp yarn systems
are in this case provided, one associated with the lower weft yarn system
and interwoven therewith, and the other associated with the upper weft
yarn system, and each yarn of which is at least partially interwoven with
the yarns of the upper weft yarn system, at least some of the warp yarns
of the second warp yarn system being passed below two or more of the
weft yarns of the lower weft yarn system. This has the effect of creating
weft yarn floats in the upper weft yarn system, which is on the tissue
contacting side of the fabric. The warp yarn systems are interlaced in the
region of normal weave.
In a second embodiment, a single weft yarn system is provided, with
a first warp yarn system associated therewith and interwoven with the weft
yarns. A second warp yarn system is provided comprising yarns which are
not interwoven with the weft yarns, but are interlaced with spaced knuckles
of the first warp system, for example at each third, fourth or fifth knuckle.
This produces extensive floats in the second warp yarn system which are
presented on the tissue contacting face of the fabric.
The interlacings between the yarns of the first and second warp yarn
systems may involve alternate right and left twists given to the second
system warp yarns.
Two embodiments of fabric according to the invention will now be
described by way of example with reference to the accompanying drawings
wherein:-
Fig. 1 is a weave diagram of a first embodiment of tissue marking
fabric according to the invention; and
Fig. 2 is a weave diagram of a second embodiment of tissue marking
fabric according to the invention.
Fig. 1 shows a two-ply 10 shaft repeat weave fabric which has two
weft yarn systems 1 and 2, forming upper and lower fabric plies or layers.
In both Fig. 1 and Fig. 2, the tissue contacting surface of the fabric is
shown to the top, and the machine contacting weaving surface is shown to
the bottom. The first upper (tissue side) weft yarn system 1 comprises a
plurality of weft yarns 3a-3j. The second lower (machine side) weft yarn
system 2 similarly comprises a plurality of weft yarns 4a-4j, which are
disposed directly below the corresponding yarns 3a-3j of the first system 1 .
A plurality of warp yarns are woven with the lower system 2, a
representative one of which 5, is shown in the drawing. This is woven in
a standard 4: 1 weave pattern, and thus floats over four weft yarns of the
lower system, and is looped below one of the weft yams in the lower
system, in each weave repeat.
Further warp yarns such as 6 are woven into the upper weft yarn
system, as shown in a 1 : 1 weave with the first five threads 3a-3e of a 10
shaft repeat, and then woven below the next five yarns 3f-3j of the upper
weft system, as shown. Successive warp yarns 6 may be stepped one
thread to the right or left with reference to the drawing. As a result, each
weft thread of the first yarn system, such as 3f-3j as shown in the drawing,
is exposed for example five warp yarns and thus floated in contact with the
tissue.
Yarn 6 and yarn 5 are interlaced once in each repeat, as shown
between weft yarns 3b and 4b.
Fig. 2 shows a single ply 8 shaft repeat weave fabric which has a
single weft yarn system 1 1 , with a plurality of weft yarns 12a-12h in each
repeat.
A system of warp yarns such as 13 is interwoven into the yarn
system 1 1 , in for example a 1 : 1 weave pattern as illustrated. The warp
yarns may be relatively displaced to the left or right of the drawing by one
weft thread at each pick, so that loop knuckles alternate in bridging weft
yarns.
A further layer of warp direction yarns 14 is provided, and these as
shown, are interlaced once in each weave repeat with the warp yarns 13
of the main yarn system. Each successive warp yarn is preferably advanced
to right or left in the drawing by the space of one weft yarn. The warp
yarns 14 of the further layer provide extensive warp direction floats, in
place of the weft direction floats provided in the Fig. 1 embodiment.
As noted above, extensive yarns floats on either the warp or weft
direction can alter the drainage properties of the fabric, and thus provide for
desired marking on a prescribed pattern of a tissue web formed or dried on
the fabric. The distribution of knuckles and floats may be arranged in the
tissue contacting layer as desired to provide any suitable pattern on the
marked tissue, for example reticular, or conforming to a decorative image.
The interlacing of the warp yarns 5, 6 can be achieved by the warp
threads being drawn in special leno heddles which during weaving shift the
warp threads sideways, i.e. parallel to the weft threads. This leno heddle
motion for a warp thread takes place when the warp thread in the warp
thread system facing the paper web is positioned below a weft thread
interlacing with this warp thread. A fabric may contain layers or areas
which have been thus interlaced alongside or interlayered with
conventionally interwoven multiply fabrics.
Claims
1 . A tissue marking fabric comprising at least one weft yarn system and
at least two warp yarn systems, at least two of the warp yarn
systems being interlaced with each other, characterised in that
extensive yarn floats are provided on the tissue contacting face of
the fabric in a warp yarn system and/or a weft yarn system, the
floats being provided by the interlacing yarns.
2. A tissue marking fabric according to claim 1 , wherein two weft yarn
systems are provided extending in the cross-machine direction, two
separate warp yarn systems being also provided, one associated with
a lower weft yarn system and interwoven therewith, and the other
associated with an upper weft yarn system, each yarn of said other
systems being at least partially interwoven with the yarns of the
upper weft yarn system, and at least some of the warp yarns of the
second warp yarn system being passed below two or more of the
weft yarns of the lower weft yarn system to thereby create weft yarn
floats on the tissue contacting face of the fabric.
3. A tissue marking fabric according to claim 1 , wherein a single weft
yarn system is provided, and a first warp yarn system associated
therewith and interwoven with the weft yarns, a second warp yarn
system also being provided and comprising yarns which are not interwoven with the weft yarns, but which are interlaced with spaced
knuckles of the first warp system, to thereby produce extensive
floats in the second warp yarn system which are presented in the
tissue contacting face of the fabric.
4. A tissue marking fabric according to any preceding claim, wherein the
interlacings between the yarns of the first and second warp yarn
systems may involve alternate right and left twists given to the yarns
of the second warp yarn system.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9818823.8A GB9818823D0 (en) | 1998-08-29 | 1998-08-29 | Tissue marking fabric |
GB9818823 | 1998-08-29 | ||
PCT/GB1999/002793 WO2000012818A1 (en) | 1998-08-29 | 1999-08-24 | Tissue marking fabric |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1108086A1 true EP1108086A1 (en) | 2001-06-20 |
Family
ID=10838010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99940402A Withdrawn EP1108086A1 (en) | 1998-08-29 | 1999-08-24 | Tissue marking fabric |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1108086A1 (en) |
GB (1) | GB9818823D0 (en) |
WO (1) | WO2000012818A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6787000B2 (en) | 2001-11-02 | 2004-09-07 | Kimberly-Clark Worldwide, Inc. | Fabric comprising nonwoven elements for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements and method thereof |
US6790314B2 (en) | 2001-11-02 | 2004-09-14 | Kimberly-Clark Worldwide, Inc. | Fabric for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements and method thereof |
US6706152B2 (en) | 2001-11-02 | 2004-03-16 | Kimberly-Clark Worldwide, Inc. | Fabric for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements |
CA2463847C (en) * | 2001-11-02 | 2010-06-29 | Kimberly-Clark Worldwide, Inc. | Fabric for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements |
US6746570B2 (en) | 2001-11-02 | 2004-06-08 | Kimberly-Clark Worldwide, Inc. | Absorbent tissue products having visually discernable background texture |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE469432B (en) * | 1991-11-22 | 1993-07-05 | Nordiskafilt Ab | WOVEN CLOTHING FOR PAPER MACHINES AND LIKE |
US5429686A (en) * | 1994-04-12 | 1995-07-04 | Lindsay Wire, Inc. | Apparatus for making soft tissue products |
US5713397A (en) * | 1996-08-09 | 1998-02-03 | Wangner Systems Corporation | Multi-layered through air drying fabric |
-
1998
- 1998-08-29 GB GBGB9818823.8A patent/GB9818823D0/en not_active Ceased
-
1999
- 1999-08-24 EP EP99940402A patent/EP1108086A1/en not_active Withdrawn
- 1999-08-24 WO PCT/GB1999/002793 patent/WO2000012818A1/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO0012818A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2000012818A1 (en) | 2000-03-09 |
GB9818823D0 (en) | 1998-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20010301 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
17Q | First examination report despatched |
Effective date: 20021213 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20030610 |