EP3283679A1 - Plant and method for connecting a web of fibrous material to a nonwoven or consolidating it therewith - Google Patents
Plant and method for connecting a web of fibrous material to a nonwoven or consolidating it therewithInfo
- Publication number
- EP3283679A1 EP3283679A1 EP16702664.0A EP16702664A EP3283679A1 EP 3283679 A1 EP3283679 A1 EP 3283679A1 EP 16702664 A EP16702664 A EP 16702664A EP 3283679 A1 EP3283679 A1 EP 3283679A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- pulp
- belt
- fleece
- fibrous material
- 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
Links
- 239000002657 fibrous material Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000000835 fiber Substances 0.000 claims description 59
- 238000007711 solidification Methods 0.000 claims description 21
- 230000008023 solidification Effects 0.000 claims description 21
- 239000004745 nonwoven fabric Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims 8
- 238000007596 consolidation process Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 15
- 238000005056 compaction Methods 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 238000009960 carding Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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
- D04H1/44—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
- D04H1/492—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 by fluid jet
-
- 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
- D04H18/00—Needling machines
- D04H18/04—Needling machines with water jets
Definitions
- the invention relates to a system and a method for connecting or bonding a web of pulp with a nonwoven by means of water jets, with a first circulating belt on which a web of pulp can be deposited and a device for introducing a fleece into the system, with a Another subsequent circulating belt on which the web is connected to the web of pulp by means of water jets or solidified.
- the system for connecting or bonding a web of fibers to a nonwoven by means of water jets comprises at least a first circulating belt on which a web of fibrous material can be deposited and a device for introducing a nonwoven into the system, the a subsequent subsequent circulating belt is arranged downstream, on which the web is connectable or solidifiable to the web of pulp by means of water jets.
- the invention is characterized in that the web of pulp from the first circulating belt is first deposited on the nonwoven and then the pulp is transferred together with the nonwoven on the subsequent band for connection or solidification by means of water jets.
- a very simple tape guide is realized in which the web of pulp and the web need not be chambered together by a second circulating belt. Furthermore, the connection of the pulp with the fleece does not take place in the region of a parallel guide between two belts. In contrast to the prior art, the loose fibers do not have to be aligned upside down between two belts and connected to the fleece. Aligning the bands to each other and a synchronization of the belt speeds are therefore not necessary.
- the term depositing the pulp on the fleece does not require that the fleece must occupy an approximately horizontal position so that the loose fibers or the web of pulp on the fleece be handed over and make a first connection. It is sufficient for this purpose that, for example, on the sloping portion of the circulating belt, a first contact between the web and the web is made of fiber, so that the adhesion between the layers causes a first light connection, even if the fleece arranged spatially above the pulp is.
- connection between the fleece and the pulp is carried out by water jets, at the same time a solidification of the pulp in itself, but also with the fleece takes place, since the fibers swirl together and into each other.
- the bonding of fleece and pulp also means at the same time a solidification.
- the web of pulp is transferred with its upper side to a circulating belt, which is arranged in front of the other subsequent belt for hydroentanglement.
- This overhead laying allows the connection of the upper side of the pulp with the fleece, whereby the flat underside of the pulp reaches the outside of the product and this reaches a visually better quality.
- the device for introducing the fleece is arranged in the system between the belts.
- the result is a space-saving solution in which the pulp is first placed upside down on another band and then laid down with the top on the fleece before both are connected together and solidified.
- the arrangement of the apparatus for introducing the fleece in the region of a roller of the circulating belt has the advantage that the top of the web of fibrous material is deposited on the fleece and the pulp between the roll and the incoming fleece is compacted.
- the roller of the circulating belt is arranged as a deflection roller, around which the belt changes direction. Characterized in that the pulp is guided with the nonwoven around a deflection angle around the roller, there is a first pressing or compacting of the pulp.
- the fleece is introduced with a defined bias in the system to produce a minimal contact pressure on the pulp.
- the device for introducing the fleece into the system may be formed as a roller. This allows a unwinding device or a carding machine to be integrated into the system in a free spatial arrangement, whereby the nonwoven fabric can enter the system directly or indirectly via further rollers.
- the device for introducing the fleece into the system may be formed as a suction drum, wherein advantageously the suction drum is equipped with at least one first nozzle bar, so that here a first connection or solidification between fleece and pulp can take place.
- the arrangement of the suction drum in the material transport direction after the roller enables a multi-stage connection or solidification of the pulp with the nonwoven.
- the suction drum between the first rotating belt and the subsequent band for kaurochungsist of the pulp with be arranged to the fleece, wherein the pulp is transferred with its upper side to the suction drum, and the fleece is introduced into the system such that by means of water jets, the underside of the pulp is connectable or solidifiable with the fleece.
- This alternative allows, in addition to the multi-stage solidification, different variants in the surface structure of the end product.
- the suction drum between the first rotating belt and the following band for connection / solidification of the pulp is arranged with the fleece, the pulp is passed with its top to the suction drum and a nonwoven in the plant is introduced, that by means of water jets, the upper side of the pulp is bonded or solidified with the fleece.
- At least one water beam may be arranged to release the web from pulp from the belt.
- the distance between the circulating belt on which the loose pulp is deposited, and the belt, on which the fleece is bonded to the pulp by means of water jets greater than the thickness of the fleece with the pulp deposited thereon.
- the method according to the invention for bonding or solidifying a web of pulp with a fleece by means of water jets provides in that a web of fibrous material can be laid down on a first circulating belt, and in that a fleece can be introduced into the system for connection to the web of pulp, wherein the fleece can be connected to the web of pulp on another subsequent circulating belt by means of water jets or is solidifiable.
- first the web of fibrous material is deposited on the nonwoven and then the fibrous material, together with the nonwoven, is transferred to the further downstream band for connection or solidification by means of water jets. This is an absolutely distortion-free connection between the loose pulp and the nonwoven possible because both are not compacted by two parallel bands that must run absolutely parallel and synchronized with each other.
- the web of pulp can be transferred with its upper side to a circulating belt, which is arranged in front of the further downstream belt for hydroentangling.
- the pulp is thus first transferred overhead to the subsequent band and then connected only to the fleece.
- Fig. 2 shows a second embodiment of the invention
- Fig. 3 shows a third embodiment of the invention
- FIG. 3a shows a further variant of the third embodiment
- Fig. 3b shows a further variant of the third embodiment
- Fig. 4 shows a fourth embodiment of the invention
- Fig. 5 shows a fifth embodiment of the invention
- Fig. 6 shows a sixth embodiment of the invention
- a Schrägsiebformer 1 is disposed below a rotating screen belt 10.
- the screen belt 10 which may be designed as an endless belt, passes around various rollers 12 and has an inclined portion 11 which increases in the running direction of the screen belt by the angle ⁇ .
- In the region of the oblique portion 11 of the screen belt 10 of the Schrägsiebformer 1 is arranged on the covering of the second the screen belt 10 is supported.
- Below the lining 2 at least one suction zone 3 is arranged, which is set by means not shown pumps under negative pressure.
- the Schrägsiebformer 1 may have a plurality of suction zones 3, which are subjected to different pressures or negative pressures.
- the vacuum sources may preferably be designed as controllable vacuum pumps.
- each fiber suspension 8.1, 8.2 and 8.3 contains not only water but also a certain amount of solids, which in turn consists of fibers and other additives.
- Between the fiber suspensions 8.1, 8.2, 8.3 slats not shown are arranged, with which the layer thickness of the fiber suspensions can be varied individually or in total. Since the lamellae separate the fiber suspensions 8.1, 8.2 and 8.3 from one another, they are dewatered successively on the inclined wire former 1. This prevents mixing of the fiber suspensions 8.1, 8.2 and 8.3 and improves the layer purity of the individual layers of fiber.
- Each layer of a fiber suspension 8.1, 8.2 and 8.3 can be exposed to a separate negative pressure via the at least one suction zone in conjunction with the controllable vacuum pumps, with which different mixtures of water with fibers in each fiber suspension can be processed.
- the fiber suspensions 8.1 and 8.3, which forms the outer layers or the cover layer for the middle layer of fiber suspension 8.2 in the further processing at least partially made of short synthetic fibers such as polyester, polyamide or polyolefin. Also fiber blends of synthetic and natural fibers are possible. Likewise, the outer layers can also consist of 100% pulp.
- the middle Fiber suspension may consist of natural fibers which have a high water retention capacity.
- the thickness of the layers can be adjusted by the lamellae by the task of the fiber suspensions 8.1, 8.2 and 8.3 can be varied over the headbox 8.
- layers of the same thickness can be produced, or the layers can be produced with gradations of, for example, 10%, 80% and 10% thickness.
- the basis weight of each layer of pulp 9 can also be adjusted.
- only a fiber suspension can be abandoned, so that forms a single layer of fibers after the removal of water.
- the screen belt 10 which is permeable to liquids and gases, transports the superposed fiber suspensions 8.1, 8.2 and 8.3 over the inclined portion 11 via the Schrägsiebformer 1. Due to the gravity and the negative pressure acting on the fiber suspensions 8.1, 8.2, 8.3, The fiber suspensions are dewatered, forming in this example a web of fiber 9 with three layers of fibers.
- the web of fibrous material 9 is then transported in the direction of the arrow only over a horizontal section, then over an obliquely sloping section on the belt 10. After the sloping section, the web of pulp 9 is passed around a roller 12 upside down on another circulating belt 14, which is also performed by a plurality of rollers 13.
- the belts 10 and 14 run at least partially approximately parallel, the distance between the belts 10, 14 being greater than the thickness of the web of pulp 9.
- the belts 10, 14 may be arranged at a distance such that the web is compressed from pulp 9.
- at least one water bar 17 is disposed within the circulating belt 10, with which the web of fiber material 9 is preconsolidated and detached from the belt 10.
- the associated suction 18 is located within the circulating belt 14.
- a further circulating belt 16 is arranged, on which the web of pulp 9 is further processed.
- the circumferential band 16 is arranged so that there is no overlap or parallel running to the band 10.
- an inlet roller 21 is arranged, via which a web 20 is introduced under the web of pulp 9 on the circulating belt 16. Since the web of fibrous material 9 is transported further upside-down by the circulating belt 10 towards the sloping section, the upper side of the web of fibrous material 9 is deposited on the nonwoven 20.
- the nonwoven 20 is unwound from a storage or a roll of material.
- a carding machine instead of the nonwoven roll, it is also possible to arrange a carding machine, with which the nonwoven 20 is introduced directly into the solidifying system shown in FIG.
- the inlet roller 21 can be made adjustable to introduce the web 20 quickly.
- the final connection between the web 20 and the pulp 9 takes place in the region of the belt 16 by at least one water bar 17 connects the pulp 9 with the web 20 and compressed. The water jet of the water bar 17 strikes the pulp 9, which is connected to the fleece 20.
- FIG. 2 shows a circulating belt 10, in which a fiber application 4 is arranged above an inclined section 11, with which, for example, pulp is fed as loose fibers.
- a fiber application 4 is arranged above an inclined section 11, with which, for example, pulp is fed as loose fibers.
- the web of pulp 9 is further transported via a horizontal section in the material flow direction to a sloping section, and passed over a roller 12 upside down on a web 20. So that the dry fibers do not slip off the belt 10, a fiber moistening, not shown, may for example be arranged on the horizontal section of the belt 10, so that the loose composite of dry fibers gets a certain strength.
- the nonwoven fabric 20 can also be unwound from a roll or delivered directly from a card in this embodiment.
- the supply of the web 20 takes place in the region of the roller 12 such that a first compaction takes place between the web 20 and the web of pulp 9.
- This connection is reinforced on a subsequent band 14 by at least one water bar 17.
- the following band 14 is arranged below the band 10 and runs with this at least partially in parallel.
- the distance between the bands 0, 14 is greater than the thickness of the web 20 with the web of pulp 9.
- the web 20 can also be fed via an inlet roller 21 on the belt 14, wherein in the region of the inlet roller 21, the web Fiber 9 is placed upside down on the web 20.
- the embodiment of Figure 3 also shows two circumferential bands 10, 14 which are at least partially arranged in parallel, wherein the circulating belt 14 is disposed below the belt 10. Again, a web of fibers on a fiber order 4 or via a Schrägsiebformer 1 is abandoned on the belt 10.
- an inlet roller 21 is arranged, via which a web 20 is applied to the web of pulp 9.
- a subsequent roller 12 with which the web of pulp 9 and the web 20 deflected to an approximately horizontal band 14 is made, there is a compaction between the web 20 and the pulp 9, although the distance between the bands 10, 14 is greater than the thickness of the web 20 with the pulp 9.
- An associated suction 18 is disposed within the circulating belt 14.
- FIG. 3 a shows, in a further arrangement, at least one water bar 17 within the band 10, whereby the web of pulp 9 is detached from the band 0. There is no compaction at this point, since the distance between the bands 10, 14 is greater than the thickness of the web 20 with the pulp 9.
- the embodiment in Figure 3b shows instead of the inlet roller 21, a suction drum 22 by at least one water bar 17 is applied. This results in a solidification of the web of pulp 9 with the web 20, wherein then takes place by the deflection around the roller 12, a compaction between the web 20 and the pulp 9.
- the following water bars 17 within the band 10 also ensure complete detachment of the pulp 9 from the belt 10, since here too, the distance between the belts 10, 14 is greater than the thickness of the fleece 20 with the pulp 9. The subsequent further solidification between the web 20 and the web of pulp 9 takes place in an area on the belt 14 in which the belts 10, 14 are no longer parallel.
- the embodiment of Figure 4 also shows in the region of a sloping portion an inlet roller 21 around which a web 20 is brought into connection with the web of pulp 9. Over a subsequent deflection by a roller 12 is carried out a compaction between the web 20 and the web of pulp 9. Instead of being placed directly on an arranged below the belt 10 band 14, the web 20 with the web of pulp 9 at least partially around a suction drum 22 guided on the means of water bar 17, the web 20 is solidified with the pulp 9.
- the fiber 9 deposited on the belt 10 is solidified in the first horizontal section by means of water bars 17.
- a suction drum 22 is disposed in the region of the sloping portion.
- a nonwoven 20 is guided around the suction drum 22.
- the pulp 9 is detached from the band 0 in the region of the contact point between the pulp 9 and the suction drum 22.
- the pulp 9 is below the web 20 and is on the subsequent circumference of the suction drum 22 by means of water bar 17 with its top with the Nonwoven 20 solidifies.
- Subsequent arranged rollers 19 provide for a transfer to another circulating belt 14, which may be arranged below the belt 10, wherein subsequently a further solidification between web 20 and pulp 9 by means of water bar 17 can take place.
- the nonwoven 20 can be supplied as a carded nonwoven from a supply roll in the system or directly as a carded web of a card of the plant.
- the web 20 may be made of short or endless fibers.
- the connection of the pulp 9 with the web 20 does not take place in the region of a parallel guide between two belts.
- the loose fibers do not have to be connected upside down between the two belts with the fleece. Aligning the bands to each other and a synchronization of the belt speeds are therefore not necessary.
- the two layers can be compacted by means of bands arranged in parallel. However, this is not necessary for the process and the system.
- the water bars create a turbulence with the high-pressure water jets and thus solidification of the fibers among each other or at a lower pressure for a detachment of the fibers or the nonwoven fabric from a belt or a drum.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015004506 | 2015-04-13 | ||
DE102015112955.8A DE102015112955A1 (en) | 2015-04-13 | 2015-08-06 | Plant and method for connecting or solidifying a web of pulp with a nonwoven |
PCT/EP2016/000178 WO2016165798A1 (en) | 2015-04-13 | 2016-02-04 | Plant and method for connecting a web of fibrous material to a nonwoven or consolidating it therewith |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3283679A1 true EP3283679A1 (en) | 2018-02-21 |
EP3283679B1 EP3283679B1 (en) | 2020-11-25 |
Family
ID=56986633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16702664.0A Active EP3283679B1 (en) | 2015-04-13 | 2016-02-04 | Plant and method for connecting a web of fibrous material to a nonwoven or consolidating it therewith |
Country Status (5)
Country | Link |
---|---|
US (2) | US10718076B2 (en) |
EP (1) | EP3283679B1 (en) |
CN (1) | CN107438682B (en) |
DE (1) | DE102015112955A1 (en) |
WO (1) | WO2016165798A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016217400A1 (en) * | 2016-09-13 | 2017-10-26 | TRüTZSCHLER GMBH & CO. KG | Method and device for producing a wet laid nonwoven fabric |
DE102016217401A1 (en) * | 2016-09-13 | 2017-10-26 | TRüTZSCHLER GMBH & CO. KG | Method and device for producing a wet laid nonwoven fabric |
CN109355809A (en) * | 2018-12-09 | 2019-02-19 | 安徽金春无纺布股份有限公司 | Spun lacing woven fabric compound nonwoven cloth and preparation method thereof |
DE102020100472A1 (en) * | 2020-01-10 | 2021-07-15 | Andritz Küsters Gmbh | Method for producing a composite nonwoven web and apparatus for producing a composite nonwoven web |
DE102020122864A1 (en) * | 2020-01-10 | 2021-07-15 | Trützschler GmbH & Co Kommanditgesellschaft | Plant and process for the production of a single or multi-layer fleece |
DE102021107900B4 (en) * | 2021-03-29 | 2023-02-02 | Andritz Küsters Gmbh | Plant for consolidating layers comprising fibers to form a fleece web |
DE102021107901A1 (en) | 2021-03-29 | 2022-09-29 | Andritz Küsters Gmbh | Plant and method for bonding layers comprising fibers to form a non-woven web |
DE102021107902A1 (en) * | 2021-03-29 | 2022-09-29 | Andritz Küsters Gmbh | Plant for consolidating at least one wet-laid or dry-laid fiber layer to form a fleece web, with a conveyor that includes a circulating belt with an upper run, on which the at least one fiber layer can be placed and displaced in a production direction |
DE102021111469A1 (en) | 2021-05-04 | 2022-11-10 | Andritz Küsters Gmbh | Plant and method for producing a fluid-jet needled fibrous web from at least one fibrous suspension |
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CN102388173B (en) * | 2009-04-08 | 2014-06-18 | 特吕茨勒非织造布有限公司 | Apparatus for compacting a fibrous web |
US20130157537A1 (en) * | 2011-12-19 | 2013-06-20 | David M. Jackson | Nonwoven composite including regenerated cellulose fibers |
AU2011350704A1 (en) * | 2010-12-28 | 2013-06-13 | Kimberly-Clark Worldwide, Inc. | Nonwoven composite including regenerated cellulose fibers |
DE102011009227A1 (en) * | 2011-01-22 | 2012-07-26 | Trützschler Nonwovens Gmbh | Apparatus for producing a nonwoven fabric composite |
CN102839498A (en) * | 2012-08-24 | 2012-12-26 | 大连瑞光非织造布集团有限公司 | CPC three-layer composite spunlaced nonwoven fabric and production method thereof |
-
2015
- 2015-08-06 DE DE102015112955.8A patent/DE102015112955A1/en not_active Withdrawn
-
2016
- 2016-02-04 WO PCT/EP2016/000178 patent/WO2016165798A1/en active Application Filing
- 2016-02-04 CN CN201680020377.0A patent/CN107438682B/en active Active
- 2016-02-04 US US15/561,975 patent/US10718076B2/en active Active
- 2016-02-04 EP EP16702664.0A patent/EP3283679B1/en active Active
-
2019
- 2019-07-25 US US16/522,630 patent/US10968551B2/en active Active
Also Published As
Publication number | Publication date |
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WO2016165798A1 (en) | 2016-10-20 |
US10968551B2 (en) | 2021-04-06 |
CN107438682A (en) | 2017-12-05 |
EP3283679B1 (en) | 2020-11-25 |
US20180112339A1 (en) | 2018-04-26 |
US20190345654A1 (en) | 2019-11-14 |
CN107438682B (en) | 2020-03-27 |
US10718076B2 (en) | 2020-07-21 |
DE102015112955A1 (en) | 2016-10-13 |
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