CN101678690A - Paper machine clothing with edge reinforcement - Google Patents
Paper machine clothing with edge reinforcement Download PDFInfo
- Publication number
- CN101678690A CN101678690A CN200880009857A CN200880009857A CN101678690A CN 101678690 A CN101678690 A CN 101678690A CN 200880009857 A CN200880009857 A CN 200880009857A CN 200880009857 A CN200880009857 A CN 200880009857A CN 101678690 A CN101678690 A CN 101678690A
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- CN
- China
- Prior art keywords
- coating
- net blanket
- basic structure
- net
- fabric
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- 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.)
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Classifications
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- 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
- D21F1/30—Protecting wire-cloths from mechanical damage
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Paper (AREA)
Abstract
The invention relates to a clothing (1) for a web-processing machine, in particular a tissue machine, including a flat basic structure (3) with an upper side (2) and a lower side (9), and with a coating (6) which is applied to the upper side (2) and/or lower side (9) and includes at least one polymer material. At least one polymer material is a polyurea, in particular an elastomer polyurea.
Description
Technical field
The present invention relates to a kind of especially net blanket (clothing) on paper machine, lap machine or the thin-paper machine of fleece processing machine that is used for.
Background technology
In order to improve wearability and/or hydrolytic resistance, the used net blanket of fleece processing machine often is equipped with coating at its fringe region and/or seam region.The shortcoming that described coating has usually is: the line adhesion to the structure (for example woven structure) of net blanket is firm inadequately, therefore does the time spent when being subjected to tensile stress, friction, heat and moisture, just peels off from line.Especially online in dryer fabric or penetrable drying drying cylinder (" TAD "), these nets stand high temperature and with high humility, and therefore cause adapted PET line or make by the PET line usually, problem is that coating well known in the prior art is just peeled off from the PET line the short time after.These coatings are also often improved the hydrolytic resistance of this type of net, but only reach limited extent or not all right at all.
What need in this technical field is this paper net blanket of mentioned the sort of type originally, and the above peel off and do not take place or only take place with the degree of much less of this net blanket, and therefore the hydrolytic resistance of the net blanket of adapted is improved undoubtedly.
Summary of the invention
The invention provides a kind of especially net blanket on paper machine, lap machine or the thin-paper machine of fleece processing machine that is used for, this net blanket comprises smooth basic structure, this basic structure has upper side and downside, and has a coating that is coated on upper side and/or the downside and comprises at least a polymeric material, wherein said at least a polymeric material is a polyureas, especially the elastomer polyureas.
Because a kind of coating that contains polyureas is provided, therefore a kind of like this coating also is provided, it has quite big improved adherence, much higher wear resistence and much higher chemically-resistant substance characteristics to net blanket basic structure.This coating has prevented that aqueous vapor is penetrated in the material of basic structure, and the net blanket hydrolytic resistance that causes being provided with described coating obviously improves.
Net blanket of the present invention is preferred for this occasion, yet is not only to be used for the application scenario that the net blanket stands high humidity high temperature.Net blanket for example of the present invention is as dryer fabric or TAD net.Yet also possible is that net blanket of the present invention is press felt or shaping screen cloth.
One embodiment of the present of invention propose, and coating only is coated in some zones of the upper side of basic structure and/or downside.As selection, whole upper side and/or downside that coating is coated in basic structure can be proposed." in some zones " are interpreted as that specifically the expression coating only is coated on a part of width of net blanket.
Preferred smooth basic structure is fabric.This fabric is preferably formed by monofilament thus.In applying cated part, form the advantageously coated covering at least in part of line of fabric, cover especially fully.Preferably in the zone that coating is coated on the fabric, make coating cover whole fabric.Like this, the line in the fabric is protected, and exempts from the influence of hostile environment.
In addition, in being provided with (one or more) zone of coating, the line in the fabric preferably connects each other because of the coating at line intersection point and/or line contact area place.For instance, when polyurea coating applies on the online zone that is arranged parallel to each other and contacts with each other, just form the line contact area.This has improved the dimensional stability of net blanket of the present invention undoubtedly.In addition, therefore the dirt that gathers on the line intersection point also reduces undoubtedly.Because line interconnects, so friction of the inside of the net blanket that line relative motion is each other determined and then elimination perhaps reduce to minimum at least.
In addition, the test that the applicant carried out has shown that line intersection point place or contact area place that polyurea coating also can online assemble, and is separated each other by this coating, and we can say flexiblely layering on described coating.In other words, the line contact position of online of polyurea coating or line intersection point place form resilient middle layer.
In order to produce net blanket of the present invention, can at first make basic structure, provide coating for whole basic structure subsequently.If basic structure for example is the embodiment of woven fabric, so in this case, at first manufacturing-in other words woven-fabric provides then with coating.
As selection, also can provide with coating a part of line of making this fabric earlier, subsequently the line that in the process of making fabric, interweaves and so applied.
Advantageously, basic structure porous and air.In this, optionally applying coating makes permeability not influenced by described coating, and anticipating promptly, the net blanket has identical with uncoated zone or essentially identical permeability at coating zone.As selection, the permeability of the coating zone of net blanket can be lower than the permeability in uncoated zone.For example, the comparable uncoated zone of the permeability of the coating zone of net blanket is at most little by 20%, and is for example at most little by 15%, for example at most little by 10%.For fabric, this point is especially realized by the mesh of filling fabric at least some zones.
In addition, also can be that the coating zone of net blanket can not see through empty G﹠W, and the uncoated zone of net blanket be permeable.This especially can realize by the upper side of the basic structure in the coating zone and downside are covered fully with coating.
Preferably, coating is coated on the basic structure, makes the thickness of net blanket in coating zone equal or only be not to a great extent greater than the thickness in the uncoated zone.In this, not to a great extent greater than being meant that net blanket thickness in the coating zone is than in the uncoated zone the most much 15%, especially big 10%.The thickness of coating can be at about 1 μ m to the scope of about 6 μ m, preferably at about 3 μ m to the scope of about 30 μ m.If the net blanket is permeable in the zone of coating, then the layer thickness in the 1-60 mu m range is especially favourable.
Fabric is the three-dimensional structure fabric preferably, especially the TAD net.
Net blanket of the present invention can preferably be used on the thin-paper machine, and on this machine, the tissue paper paper web is formed on the net blanket by fibrous suspension, and formed tissue paper paper web is sent on this net blanket again, up to raising the gram drying cylinder.In the case, preferably the tissue paper paper web is loaded in the upstream of the drying cylinder that adopts thermal air current and/or vapor stream.
With regard to previously mentioned application, make fabric comprise that PETG (" PET ") and/or polyamide (" PA ") and/or polyphenylene sulfide (" PPS ") line are especially meaningful.Therefore, the fabric that shows basic structure is possible with a kind of formation the in PET, PA or the PPS material entirely.Yet line of also can be partly making with first kind of material in above-mentioned each material and the line of partly making with a kind of material in the above-mentioned material subsequently form fabric.
Have found that when polyureas existence 10% in the coating or more weight fraction, coating of the present invention has just possessed favourable characteristic.
Polyureas is the bi-component polyureas preferably, vulcabond preferably one of in the bi-component thus, and another diamines preferably in the bi-component.Especially because of the low viscosity of diamines, it is favourable adopting diamines, and this low viscosity permission increases auxiliary material and do not influence viscosity and mixed performance.What especially preferably use is the vulcabond of a kind of commodity Araltide AY 8683 by name.Also especially preferred use is the diamines of a kind of commodity Hardener HY 8683 by name.
Also conceivable is that polyureas is the one pack system polyureas.Such one pack system polyureas for example can be wet rigid or wet crosslinked polyureas.Catalyst can be used to quicken sclerosis or cross-linking reaction.The product that is considered the one pack system polyureas for example is the trade mark produced by " the Nitroil Performance Chemicals " product for " PCMD 8.6 " or " PC MD 11 ".
One pack system or bi-component polyureas for example can borrow diluted state or organic solvent solution form to be coated on the basic structure.The solvent that is used for this application scenario is aprotic solvent particularly.For example, oxolane (Tetrahydrofurane) is suitable for use as aprotic solvent.
Preferably, the coating that comprises polyureas has 180 ℃ to 220 ℃ temperature stability at least 2 minutes temperature reaction time.In this case, temperature stability need be understood as and mean coating and demonstrate the degraded state that no naked eyes can be seen.
In order further to improve the adherence of coating to basic structure, the preferred embodiments of the present invention propose, and before applying coating, at those some places that are covered with coating basic structure are carried out surface treatment at least.This surface treatment can comprise (either alone or in combination) solvent clean or by corona discharge.This surface treatment for example can also comprise with atmospheric plasma handles basic structure.In this case, this atmospheric plasma also can be oxygen plasma.
Another advantageous embodiments of the present invention proposes coating and contains a kind of additive that improves coating abrasion stability and/or reduce the coating coefficient of friction.At this on the one hand, especially colloidal silica (colloidalsilicone dioxide), ultra-high molecular weight polyethylene (" UHMW PE ") or boron nitride can be cited the example for the additive that Gong is used singly or in combination.
In this connection, especially concerning additive, comprise particle, nanoparticles especially, perhaps by particle, especially nanoparticles forms, and is particularly advantageous.
Because particularly the longitudinal edge of basic structure stands than galling and/or intensification degree stress, thereby concerning the coating that two longitudinal edge positions in basic structure apply, this is an advantage especially.Intensification degree stress does not cause because of the longitudinal edge along net blanket fringe region is covered and therefore for example fully directly stands thermal air current in the TAD machine by paper web especially.
Particularly in order to improve hydrolytic stability, if coating-when transverse machine is watched-extend on the coated point of at least two zones of net blanket at each longitudinal edge from two longitudinal edges on the direction at net blanket center, described zone from the contact of discord paper web, then is effective in net blanket running.In order further to improve the hydrolytic stability of net blanket of the present invention, if coating extends on all coated point of two zones of net blanket at each longitudinal edge from two longitudinal edges on the direction at net blanket center, when paper web and net blanket when for example the edge strip zone contacts, described zone only contacts with paper web only temporarily, then is effective.
,, then can be effective particularly if coating is extended about 3/8 inch to 1 inch from longitudinal edge in transverse machine (" CMD direction ") in order to improve this wear resistence.In order to improve hydrolytic stability,, then can be effective if coating is extended about 5cm to 20cm from longitudinal edge in the CMD direction.
Seam region also is subjected to than galling.Therefore, the preferred embodiments of the present invention propose, and basic structure has transverse edge, and this transverse edge extends on the CMD direction and can link together, so that basic structure is from beginning to end, constitutes seam region simultaneously, is coated in for coating in the position of transverse edge.
The feasible painting method of applying coating for example is dip-coating and wiping subsequently, so that coating is even; Roller coat; Blade coating; Spraying or extrusion coating.
Description of drawings
Above-mentioned and other feature of the present invention and advantage, and its implementation will be clearer to the description of the embodiment of the invention below in conjunction with accompanying drawing by reference, and understand the present invention better, in the accompanying drawing:
Fig. 1 illustrates the upper side plane of first embodiment of net blanket of the present invention;
Fig. 2 illustrates net blanket among Fig. 1 with cross-wise direction;
Fig. 3 illustrates the upper side vertical view of second embodiment of net blanket of the present invention;
Fig. 4 illustrates the transverse views of net blanket represented among Fig. 3; And
Fig. 5 is a device of making net blanket of the present invention.
In institute's drawings attached, corresponding Reference numeral shows corresponding parts.Each illustration of illustrating herein illustrates various embodiments of the present invention, and this type of illustration must not be construed to and limits scope of the present invention by any way.
The specific embodiment
Referring now to accompanying drawing, and more specifically with reference to Fig. 1, the plane of the upper side 2 of an embodiment of net blanket 1 of the present invention shown in the figure.
Shown net blanket 1 is the TAD net.Net 1 has smooth basic structure, and this basic structure is formed by permeable fabric 3, and this fabric forms with PET line 4 and 5 braidings.
In addition, net 1 also comprises coating 6, and this coating is coated in respectively on the position of two longitudinal edges 7 extending along machine direction (" MD direction ") and 8, and is coated on the fringe region 10,11 of the upper side 2 of fabric 3 and downside 9 (only being shown among Fig. 2).Between the fringe region 10,11 of two coatings, be uncoated regional 13.
According to the present invention, this coating 6 comprises polymeric material, and in described example, this polymeric material is formed by the nanoparticles 12 of bi-component elastomer polyureas and boron nitride.Boron nitride nanometer particle 12 has improved the wear stability of coating 6.
In the case, the fringe region 10,11 that applied extends about 1 inch from longitudinal edge 7 and 8 respectively on the CMD direction.In the case, coating is applied fabric 3 upper sides 2 and the downside 9 that become to make in the coated fringe region 10,11 cover by coating fully, and fringe region the 10, the 11st, impermeable.
Fig. 2 applies the net 1 that fringe region 10 and adjacent uncoated regional 13 position illustrate Fig. 1 along cross-sectional direction (CMD direction) at fabric 3.Obviously, the thickness that applies fringe region 10 of net 1 only is not to a great extent greater than uncoated regional 13 thickness, thus under described situation, has applied net blanket thickness in the fringe region 10 than the thickness in the uncoated zone the most much 5%.
Fig. 3 illustrates the vertical view of upper side 102 of an embodiment of another net blanket 101 of the present invention.
Shown net blanket 1 expression dryer fabric or TAD net.Net 101 has smooth basic structure, and this basic structure is to be formed by woven permeable fabric 103, and this fabric is made of PET line 104 and 105.
Net 101 also comprises coating 106, this coating is coated on the upper side 102 of fabric 103 in edge 110,111 respectively, extend along two longitudinal edges 107 of advancing forward on the MD direction and 108 this edge 110,111, and be coated on the downside 109 (only being shown in Fig. 4).Uncoated regional 113 have applied between the fringe region 110,111 at two.
According to the present invention, coating 106 comprises polymeric material, and in current example, this polymeric material is made up of one pack system or bi-component elastomer polyureas.
Two dotted lines shown in Fig. 3 are separated the paper contact area 114 of net blanket 101.That is to say that in the process of net 101 operations of the present invention, they may form the zone that contacts with paper web and separate with two no paper zones 115 and 116 that never contact with paper web in running.
Just as shown in FIG. 3, coating 106-when along transverse machine (CMD) when watching-each longitudinal edge on the direction at net blanket 101 centers, from two longitudinal edges 107 and 108 extend to net blanket 101 at least two zones 115 and 116 coated a bit on, in net blanket 101 runnings, described zone is from the contact of discord paper web.In this example, coating 106 even extend in the position of paper contact area 114 along CMD direction each from two longitudinal edges 107 and 108.
In this case, coating 106 is coated to the upper side 102 and the downside 109 of fabric 103, and the mode of coating is: line 104 and 105 is encapsulated in the coating 106 fully.In addition, line 104,105 runs through coating 106 online intersection points 117 places and connects each other.The thickness of coating 106 can be at about 1 μ m to the scope of about 60 μ m.The permeability of net blanket 101 is not subjected to the influence of coating 106 basically, so uncoated regional 113 permeability of fabric 103 is identical with two permeability that applied edge 110,111 basically.
In this case, " permeability is substantially the same " need be understood as that to mean the permeability that applies in the edge 110,111 maximum littler by 15% than uncoated regional 113 permeability, and be preferably, at most little by 10%.
Fig. 4 illustrates along horizontal (CMD direction) and has applied the net 101 in the uncoated position 113 on 110 fabrics 103 regional and adjacency with it of edge among Fig. 3.Obviously, coating forms film, and this film covers the line 104,105 that has applied in the fringe region 110 fully, and the online intersection point of this film 117 places connect line 104,105 mutually.
Fig. 5 illustrates a kind of device of making net blanket of the present invention.At this moment, in the embodiment of for example fabric 203, continuous basic structure is stretched between two rollers that are installed in parallel with each other 204,205.Before applying this coating 206, by the atmospheric plasma that produces by plasma nozzle 207 to fabric 203 preliminary treatment.Applicator roll 209 is used for applying polyurea coating 206, the polyureas that is dissolved in the organic solvent can be coated on the fabric 203 with this applicator roll.After applying this coating material, described coating material is for example heat-treated by drying cylinder 208, make it sclerosis or crosslinked and shaping coating.
Although described the present invention at least one embodiment, the present invention still can change within the thought of present disclosure and scope.Therefore, the application be intended to contain utilized general principles of the present invention to any variation of the present invention, use or transformation.In addition, the application also be intended to contain be under the present invention and the restriction of appended claims within affiliated technical field in depart from content of the present disclosure in the known or convention scope.
Claims (19)
1. the net blanket on the machine that is used for the processing fiber material web, described net blanket comprises:
Smooth basic structure, this basic structure comprises upper side, downside, and is coated in the coating in described upper side and the described downside at least one, described coating comprises the polymeric material of at least a polyureas.
2. according to the net blanket of claim 1, wherein said polyureas is the elastomer polyureas.
3. according to the net blanket of claim 1, wherein said coating only is coated in a plurality of zones on the described upper side of described basic structure and in the described downside at least one.
4. according to the net blanket of claim 1, wherein said coating is coated on all described upper sides of described basic structure and in all described downsides at least one.
5. according to the net blanket of claim 1, wherein said smooth basic structure is fabric.
6. according to the net blanket of claim 5, wherein said fabric comprises the many interior lines of described coating coating zone on the described fabric, and described many lines are covered by described coating in described zone at least in part.
7. according to the net blanket of claim 5, wherein said fabric is the three-dimensional structure fabric.
8. according to the net blanket of claim 7, wherein said three-dimensional structure fabric is a penetrable drying drying cylinder net.
9. according to the net blanket of claim 5, wherein said fabric comprises at least one in many PETG lines, many polyamide thread and the Duo Gen polyphenylene sulfide line.
10. according to the net blanket of claim 1, wherein said polyureas is present in the described coating, and its weight fraction is at least 10%.
11. according to the net blanket of claim 1, wherein said polyureas is the bi-component polyureas.
12. according to the net blanket of claim 1, wherein said basic structure comprises a plurality of points that are covered with described coating, before applying described coating, described basic structure is subjected to surface treatment at the described a plurality of somes place that applies described coating.
13. according to the net blanket of claim 1, wherein said coating comprises additive, this additive is used for increasing the wear stability of described coating and reduces at least one of coefficient of friction of described coating.
14. according to the net blanket of claim 13, wherein said additive comprises at least one in colloidal silica, ultra-high molecular weight polyethylene and the boron nitride.
15. according to the net blanket of claim 13, wherein said additive comprises a plurality of particles.
16. according to the net blanket of claim 13, wherein said additive comprises a plurality of nanoparticles.
17. according to the net blanket of claim 1, wherein said basic structure comprises two longitudinal edge zones, each longitudinal edge zone comprises the longitudinal edge of described basic structure, and described coating is coated on each described longitudinal edge zone.
18. according to the net blanket of claim 17, wherein said coating extends beyond about 3/8 inch to about 1 inch from each described longitudinal edge on transverse machine.
19. net blanket according to claim 1, wherein said basic structure comprises two lateral edge region, each lateral edge region comprises the transverse edge of described basic structure, each transverse edge extends on the transverse machine of net blanket, described transverse edge links together, and making described basic structure become endless belt and formation seam region by this, described coating is coated in the described lateral edge region.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710015055 DE102007015055A1 (en) | 2007-03-26 | 2007-03-26 | Paper machine clothing with edge reinforcement |
| DE102007015055.7 | 2007-03-26 | ||
| PCT/US2008/058135 WO2008118909A1 (en) | 2007-03-26 | 2008-03-25 | Paper machine clothing with edge reinforcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101678690A true CN101678690A (en) | 2010-03-24 |
Family
ID=39719425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880009857A Pending CN101678690A (en) | 2007-03-26 | 2008-03-25 | Paper machine clothing with edge reinforcement |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2139699A1 (en) |
| CN (1) | CN101678690A (en) |
| AU (1) | AU2008230912A1 (en) |
| CA (1) | CA2681588A1 (en) |
| DE (1) | DE102007015055A1 (en) |
| MX (1) | MX2009010305A (en) |
| WO (1) | WO2008118909A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442374A (en) * | 2008-02-01 | 2016-03-30 | 阿尔巴尼国际公司 | A papermaking fabric and associated methods including the fabric |
| CN105951497A (en) * | 2015-09-14 | 2016-09-21 | 安徽华宇网业有限公司 | Abrasion resistant flat filament drying net |
| CN113174772A (en) * | 2021-05-11 | 2021-07-27 | 江苏金呢工程织物股份有限公司 | Papermaking felt, preparation method of papermaking felt and papermaking machine equipment |
| CN113272493A (en) * | 2019-01-08 | 2021-08-17 | 福伊特专利有限公司 | Edge protector for paper machine forming fabric |
| CN115805182A (en) * | 2022-11-08 | 2023-03-17 | 鲁普耐特集团有限公司 | Coating method and coating device for netting polyurea coating |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5506033A (en) * | 1993-04-07 | 1996-04-09 | Wangner Systems Corporation | Dryer fabric edge seal |
| JPH10506579A (en) * | 1994-09-30 | 1998-06-30 | ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー | Coated abrasive article, method of making and using the same |
| US6465076B2 (en) * | 1998-09-15 | 2002-10-15 | 3M Innovative Properties Company | Abrasive article with seamless backing |
| US6158576A (en) * | 1998-10-15 | 2000-12-12 | Albany International Corp. | Endless belt or fabric for use in process control loop |
| US6586483B2 (en) * | 2001-01-08 | 2003-07-01 | 3M Innovative Properties Company | Foam including surface-modified nanoparticles |
| DE102004035369A1 (en) * | 2004-07-21 | 2006-03-16 | Voith Fabrics Patent Gmbh | Production of paper machine materials |
| DE102005006738A1 (en) * | 2005-02-15 | 2006-09-14 | Voith Fabrics Patent Gmbh | Method for generating a topographical pattern |
| US20070044931A1 (en) * | 2005-08-26 | 2007-03-01 | Voith Patent Gmbh | Process belt with improved on-machine seam |
-
2007
- 2007-03-26 DE DE200710015055 patent/DE102007015055A1/en not_active Withdrawn
-
2008
- 2008-03-25 MX MX2009010305A patent/MX2009010305A/en unknown
- 2008-03-25 WO PCT/US2008/058135 patent/WO2008118909A1/en active Application Filing
- 2008-03-25 EP EP08744325A patent/EP2139699A1/en not_active Withdrawn
- 2008-03-25 CA CA002681588A patent/CA2681588A1/en not_active Abandoned
- 2008-03-25 CN CN200880009857A patent/CN101678690A/en active Pending
- 2008-03-25 AU AU2008230912A patent/AU2008230912A1/en not_active Abandoned
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442374A (en) * | 2008-02-01 | 2016-03-30 | 阿尔巴尼国际公司 | A papermaking fabric and associated methods including the fabric |
| CN105951497A (en) * | 2015-09-14 | 2016-09-21 | 安徽华宇网业有限公司 | Abrasion resistant flat filament drying net |
| CN113272493A (en) * | 2019-01-08 | 2021-08-17 | 福伊特专利有限公司 | Edge protector for paper machine forming fabric |
| CN113272493B (en) * | 2019-01-08 | 2023-07-21 | 福伊特专利有限公司 | Edge protector for paper machine clothing |
| CN113174772A (en) * | 2021-05-11 | 2021-07-27 | 江苏金呢工程织物股份有限公司 | Papermaking felt, preparation method of papermaking felt and papermaking machine equipment |
| CN115805182A (en) * | 2022-11-08 | 2023-03-17 | 鲁普耐特集团有限公司 | Coating method and coating device for netting polyurea coating |
| CN115805182B (en) * | 2022-11-08 | 2023-09-29 | 鲁普耐特集团有限公司 | Coating method and coating device for netting polyurea coating |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007015055A1 (en) | 2008-10-02 |
| MX2009010305A (en) | 2009-10-19 |
| AU2008230912A1 (en) | 2008-10-02 |
| EP2139699A1 (en) | 2010-01-06 |
| WO2008118909A1 (en) | 2008-10-02 |
| CA2681588A1 (en) | 2008-10-02 |
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