CN106956485A - A kind of donble layer composite fibre material and preparation method thereof, device, application - Google Patents
A kind of donble layer composite fibre material and preparation method thereof, device, application Download PDFInfo
- Publication number
- CN106956485A CN106956485A CN201710196238.XA CN201710196238A CN106956485A CN 106956485 A CN106956485 A CN 106956485A CN 201710196238 A CN201710196238 A CN 201710196238A CN 106956485 A CN106956485 A CN 106956485A
- Authority
- CN
- China
- Prior art keywords
- roller
- layer
- bulge
- fibre material
- donble
- 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
- 239000000463 material Substances 0.000 title claims abstract description 68
- 239000000835 fiber Substances 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims abstract description 8
- 230000002745 absorbent Effects 0.000 claims abstract description 7
- 239000002250 absorbent Substances 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 38
- 239000004745 nonwoven fabric Substances 0.000 claims description 26
- 239000002657 fibrous material Substances 0.000 claims description 23
- 238000007493 shaping process Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000001467 acupuncture Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 120
- 230000000694 effects Effects 0.000 abstract description 7
- 210000002700 urine Anatomy 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
- B32B37/065—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method resulting in the laminate being partially bonded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of donble layer composite fibre material and preparation method thereof, device, application, more particularly to a kind of two-layer nonwoven and its preparation method, device, application.The donble layer composite fibre material that the present invention is provided has top layer bulge and the open-celled structure for penetrating top layer on its top, having simultaneously through top layer and bottom perforate between bulge and bulge.This structural upright effect is attractive in appearance firmly, and retentivity is good.The urine pants that the fibre is made as surface layer, sanitary napkin or other disposable absorbent articles, pass through the perforate for setting perforate in bulge and bulge and being set on depressed area, reduce the contact area of fibre and body, improve ventilative, improve and absorb, improve dry-ness.In addition, the process units of the present invention realizes one-shot forming plus the positional punch of the structure by the application between format roll, it is ensured that punching effect and the stereoeffect and aesthetic property of bulge.
Description
Technical field
It is more particularly to a kind of double the present invention relates to a kind of donble layer composite fibre material and preparation method thereof, device, application
Layer non-woven fabrics and its preparation method, device, application.
Background technology
Non-woven fabrics, such as hot-wind nonwoven cloth, spun-bonded non-woven fabrics, fabric hot rolled nonwoven fabrics and spunlace non-woven cloth, mechanically
Post forming (such as line type, punching) is carried out to its surface and has been widely used for the fields such as amenities, for individual layer
For fibre, it possesses hole and stereoeffect, but the defect and an open question of its presence include：1st, individual layer is fine
The three-dimensional retentivity of fiber products is very poor, when being especially bonded in when urine pants or sanitary napkin are made with it with glue on other materials
Stereoeffect can be greatly influenceed, is also influenced whether ventilative and dry-ness；2nd, aesthetic measure can also be affected.It is basic herein
On, have developed donble layer composite fibre product, it one layer to make 3D three-dimensional, another layer as support, but its defect and does not solve
Certainly the problem of, includes：1st, dry-ness, gas permeability and aesthetics have much room for improvement；2nd, it is not soft enough；3rd, stereoeffect also has lifting
Space.
Fig. 1 is a kind of double-layer drilling non-woven fabrics cross-section structure of the prior art, is the table by bottom 33 and its top
The stacking of layer 32 and constitute, downwardly convex corrugated structure 34 is provided with top layer 32, it is used to reducing connecing for top layer and skin
Contacting surface is accumulated, and projection 35 is additionally provided with the bottom of corrugated structure 34, and the lower section of projection 35 is provided with glue layer 36, for by top layer
32 fit with bottom 33.This two-layer nonwoven is due to using the composite corrugated shaping cloth of glue and bottom non-woven fabrics, glue meeting
Corrugation and bulge-structure before flat or destruction are glued when bonding materials at two layers, glue also brings along taste or inside fibrous material
Penetrate into material surface and have influence on ventilative and water imbibition, and glue bonding usually requires certain open hour and applies pressure
So as to destroy the stereoeffect of shaping.
The content of the invention
The top layer existed present invention aim to address two-layer non-woven fabric in the prior art and bottom ventilative and hygroscopicity
Bad the problem of, while the problem of solving the comfortableness of double layer fibre fabric, flexibility, three-dimensional retentivity, contact area；This
The bulge structure that invention is distributed in surface by using being produced on top layer, and in bulge structure and on top layer and bottom
Punch and realize on the region of composite joint；Two layers of complex fiber material of the present invention can be by being thermally bonded the company of being fixed in addition
Connect, rather than make to fasten with glue to realize；Meanwhile, the preparation of bulge and punching can be formed in a process by also solving
Technique and equipment.
First aspect present invention：
A kind of donble layer composite fibre material, includes the bottom and the table of pressure fibrous layer material at an upper portion thereof of fibrous layer material
Layer, is distributed with bulge protruding upward on top layer, provided with top layer and the compound depressed area of bottom between bulge and bulge；In bulge
The perforate one on downward insertion top layer is provided with, it presents the back taper that perforated area is more than lower perforated area；Set in the depressed area
The perforate two of back taper, the perforate two are while downward insertion depressed area top layer and bottom；Having around bulge root makes table
The bounding point that layer is mutually fixed with bottom.
Further, perforate one and the perforate two diameter range is 0.3~2.0mm；The diameter range of bulge can
To be between 1~20mm, the height of bulge can be between 0.1~10mm.
Further, the material on described top layer uses non-woven fabrics, and the material of described bottom uses non-woven fabrics or poly-
Compound, can be polyethylene making hole film etc. using the material of polymer.
Further, described non-woven fabrics is made up of use polymer chemistry fiber or natural fiber.
Further, the top layer and bottom can be one or more layers fibrous layers.
Further, the fiber of described fibrous layer is 0.1~3 fine count fiber.
Further, described bounding point can be continuous or discontinuously arranged.
Second aspect present invention：
A kind of device for producing donble layer composite fibre material, including cavity plate, punch-pin, flat board mould and levels set composite,
The molding surface is provided with the perforating needle two for being used for punching perforate two, and for suppressing the cavity plate mould of bulge on top layer
Chamber, the Surface Edge of cavity plate die cavity is along the bounding point boss being provided with for suppressing bounding point, and cavity plate mold cavity, which is provided with, to be used to punch
The perforating needle one of perforate one；The convex mould surface is provided with punch-pin boss, and punch-pin boss is just meshed with the cavity plate die cavity,
Punch-pin boss upper surface is provided with the pin hole one being meshed with the perforating needle one, the surface between punch-pin boss and punch-pin boss and set
There is the pin hole two being meshed with perforating needle two；Described Flat Membrane is provided with the pin hole three being equally meshed with perforating needle two；Institute
The levels set composite stated can carry out fibrous layer bonding to bounding point and process.
Further, described levels set composite is heater or ultrasonic-wave forming device, is realized in bounding point
Compound fibre
Tie up the heat bonding of layer.
Third aspect present invention：
A kind of shaping roller group for producing donble layer composite fibre material, includes the first roller, the second roller and the 3rd roller, first
The surface of roller is provided with punch-pin, and the surface of the second roller 5 is provided with cavity plate, and the surface of the 3rd roller is provided with flat board mould；Second roller
Engaged respectively with the first roller and the 3rd roller；When second roller is engaged with the first roller, perforating needle one and pin hole one are engaged, perforating needle two with
Pin hole two is engaged, and cavity plate die cavity is engaged with punch-pin boss；When second roller is engaged with the 3rd roller, perforating needle two and pin hole three-phase are nibbled
Close.Complex fiber material is set to be bonded in bounding point when the second roller and the 3rd roller are engaged by levels set composite.
Further, also include in described shaping roller group：
Top layer base fabric let off roll, for the conveying surface material into shaping roller group；
Bottom base fabric let off roll, for shaping roller group on convey primer；
Guide roller, for being oriented to transmission top layer nonwoven cloth material；
Tension rolling roller, the fibrous material product for preparing winding composite molding；
Base fabric wind-up roll after machine-shaping, for the fibrous material product for being molded obtained composite molding to be wound.
Fourth aspect present invention：
A kind of production method of donble layer composite fibre material, comprises the following steps：
1st step, surface fibre material is delivered between the first roller and the second roller, by between the first roller and the second roller
Being meshed makes to form bulge on surface fibre material, by the acupuncture part on mould respectively in bulge while bulge is formed
The upper recess between bulge from top to bottom in surface fibre material perforating fiber material, to form perforate one；
2nd step, the fibrous material that the second roller transmits after the processing of the 1st step is rotated further, and is delivered between the second roller and the 3rd roller,
By being meshed between the second roller and the 3rd roller, the acupuncture part on mould forms perforate two on bottom fiber layer, together
When by the bounding point boss on the second roller double layer fibre layer on suppress bounding point, by levels set composite in bounding point
Position makes top layer and bottom bonding, the donble layer composite fibre material being molded.
The fifth aspect of the present invention：
A kind of personal care absorbent product of the application of above-mentioned donble layer composite fibre material, with top layer and backing layer and
Absorptive core between them, top layer therein and/or backing layer have above-mentioned donble layer composite fibre material.
Further, also including the guide layer between top layer and absorptive core, guide layer therein has above-mentioned bilayer
Complex fiber material.
Beneficial effect
The bulge structure of protrusion is distributed with the surface fibre material surface for the donble layer composite fibre material that the present invention is provided, drum
Wrapping has open-celled structure on surface, and the depressed area outside bulge also has reverse tapered section open-celled structure, while fine on top layer
Dimension material bulge around bounding point and bottom layer of fibrous material formation be connected, such as can using be thermally bonded by the way of, with
Form the firmly attractive in appearance and good solid of retentivity, this structural upright effect is attractive in appearance, and firmly retentivity is good, by set perforate and
Depression is spaced to reduce the surface area of upper surface, by this between the raised good bulge of stereoeffect and setting bulge and bulge
The urine pants that fibre is made as surface layer, sanitary napkin or other disposable absorbent articles, reduce connecing for fibre and body
Contacting surface is accumulated, and is improved ventilative, is improved and absorb, improves dry-ness；The backing layer of the disposable absorbent articles such as urine pants is can also be used for, is improved soft
Softness and gas permeability, attractive in appearance etc..
In addition, making boss and recessinterengaging means using the production method of the present invention between the format roll of the present invention, in shape
Punched at an upper portion thereof into while bulge, carry out positional punch in the recombination region of top layer and bottom again afterwards, realize
The one-shot forming of the structure adds positional punch, and complex fiber material bonding process is directly carried out on bounding point, it is ensured that punching
Effect and the stereoeffect and aesthetic property of bulge.This is that two-step method namely first punches that to make stereoeffect again irrealizable,
Two-step method is difficult to realize positional punch in bulge, and the shape in hole can be also corrupted to during bulge is formed, and also very
It is difficult to ensure that card will not destroy stereoeffect when being bonded to fibrous layer.
Brief description of the drawings
Fig. 1 is a kind of sectional structure chart with double-deck corrugated structure non-woven fabrics of the prior art；
Fig. 2 is the Facad structure figure for the donble layer composite fibre material that the present invention is provided；
Fig. 3 is the sectional structure chart on M-M and H-H in Fig. 2；
Fig. 4 is the structural representation of punch-pin；
Fig. 5 is the structural representation of cavity plate；
Fig. 6 is the structural representation of flat board mould；
Fig. 7 is the process units figure for the dilayer compounding non-spinning fabrics that the present invention is provided；
Fig. 8 is Fig. 7 A meshing point schematic diagrames；
Fig. 9 is Fig. 7 B meshing point schematic diagrames.
Including 1, tension rolling roller；2nd, guide roller；3rd, the second roller；4th, the 3rd roller；5th, the first roller；6th, bottom base fabric
Let off roll；7th, top layer base fabric let off roll；8th, base fabric wind-up roll after machine-shaping；9th, perforating needle two；10th, bounding point boss；11st, beat
Hole pin one；12nd, cavity plate die cavity；13rd, cavity plate；14th, punch-pin；15th, pin hole two；16th, punch-pin boss；17th, pin hole one；18th, flat board mould；
19th, pin hole three；20th, perforate one；21st, bulge；22nd, top layer；23rd, bottom；24th, bounding point；25th, perforate two；26th, bulge cavity.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.In this hair
In bright description, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " depth ",
" height " " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
The statement word such as the device referred to of the present invention or " shape ", " arrangement mode " of element, is for only for ease of description
The present invention and simplified description, rather than indicate or imply that the device or element of meaning must be with described statement progress to the present invention
Limitation.
The double layer fibre material that the present invention is referred to is made up of top layer and primer complex superposition, and skin-material is used for
Directly contacted with the site of action such as skin, therefore, " top " mentioned in description of the invention, " on ", " top layer ", " table
The reference in the orientation such as layer ", " top ", in the case of without special instruction, refers to the side for being partial to surface layer fabric；In contrast
Answer, " lower section ", " under ", " bottom ", the reference in the orientation such as " bottom " then refer to side toward primer.The orientation
The orientation description of the parts such as other bulges, punch-pin, cavity plate can also be applied to by referring to.
Heretofore described " back taper " is the shape for stating perforate, is formed in bulge after perforate, perforate
Side radius close to top is larger, and the side radius below bulge is smaller, when as viewed from section, the tip of taper
Down, therefore referred to as back taper.
" being mutually combined between upper strata non-woven fabrics and lower nonwoven cloth ", " interconnection " that description of the invention is mentioned to etc.
Similar term, refers to the company of being combined between position Shang You subregions and lower nonwoven cloth of the upper strata non-woven fabrics in addition to bulge
Connect, the subregion namely in the lower section of bulge root side is combined with lower nonwoven cloth in other words, for example, pass through bounding point
It is attached fixation；The technique according to the invention is conceived, should not will be " between upper strata non-woven fabrics and lower nonwoven cloth mutually multiple
Close " lower nonwoven cloth is interpreted as also while being connected compound with upper strata non-woven fabrics globality inside embedded bulge, otherwise just can not
Form bulge structure.
" bulge " structure in the present invention refer to the surface portion region by upper strata fabric it is raised after with lower floor fabric it
Between the cavity-like structure that is formed.
Embodiment 1
When donble layer composite fibre material front provided by the present invention is seen, its structure is as shown in Figure 2.In fig. 2, bulge 21
The perforate 1 on top is uniformly distributed in its surface, but can be designed with open in other embodiments without all bulges 21
Hole.Depressed area between bulge 21 is uniformly provided with perforate 2 25, equally, and the distribution mode of perforate 2 25 of the invention is interpreted as
It is not limited to the mode in Fig. 2.
The bounding point 24 being recessed downwards is also distributed with the root peripheral region of bulge 21, the effect of bounding point 24 is to be used for
Positioning adhesive can both ensure the three-dimensional effect of bulge 21 close to the top layer 22 on the outside of the root of bulge 21 and the bottom 23 of the same area
Fruit and pliability, it is also ensured that the appearance profile of bulge 21 is clear, and the stretching that can also improve double layer fibre non-woven fabrics is strong
Degree.In the present embodiment using ultrasonic technology by top layer and bottom with being linked together by the way of heat bonding, can both ensure to connect
The intensity connect, it can also be ensured that the softness and the softness of perforation of bulge 21, it is to avoid the shortcoming come using glue splicing tape.It is existing
There is the two-layer nonwoven in technology to be molded cloth and bottom non-woven fabrics using glue composite punched, glue can be when bonding materials at two layers
Bonding meeting simultaneously destroys its projective structure, and glue also brings along taste or from fibrous material internal penetration to material surface, and glue glues
Close and usually require certain open hour with pressure is applied to destroy the stereoeffect of shaping.
The cross-section structure of donble layer composite fibre material provided by the present invention in Fig. 3 as shown in figure 3, and show in Fig. 2
M-M and H-H at profile, include bottom 23 and pressure top layer 22 at an upper portion thereof, be distributed with top layer 22 convex
The bulge 21 gone out, is provided with the perforate 1 of downwardly projecting back taper in bulge 21；In the surrounding of the bulge 21 on top layer 22
Be provided with the bounding point 24 for making top layer 22 mutually be fixed with bottom 23.
Fig. 4, Fig. 5 and Fig. 6 respectively illustrate the punch-pin that the device of the donble layer composite fibre material of the production present invention includes
14th, the peaceful template die 18 of cavity plate 13.The planar surface of cavity plate 13 is provided with cavity plate die cavity 12, and the inside of cavity plate die cavity 12 is provided with perforating needle one
11, edge of the cavity plate die cavity 12 on the surface of cavity plate 13 is provided with bounding point boss 10.Surface between cavity plate die cavity 12, which is provided with, to be beaten
Hole pin 29.The height of bounding point boss 10 is not higher than perforating needle 29.Punch-pin boss 16 is uniformly distributed on the planar surface of punch-pin 14,
The planar surface that punch-pin boss 16 is provided between pin hole 1, punch-pin boss 16 is provided with pin hole 2 15.Cavity plate die cavity 12 with it is convex
Mould boss 16 has corresponding relation, and pin hole 1 has corresponding relation with perforating needle 1, and pin hole 2 15 has with perforating needle 29
Corresponding relation.The surface of flat board mould 18 is provided with pin hole 3 19, and pin hole 3 19 has corresponding relation with perforating needle 29.
Fig. 7 shows a kind of one embodiment into roller group for producing donble layer composite fibre material.First roller 5 is set on surface
There is punch mold, the surface of the second roller 3 is provided with concave die, and the surface of the 3rd roller 4 is provided with flat plate mold.Surface fibre material from
Top layer base fabric let off roll 7, is delivered between the first roller 5 and the second roller 3 by guide roller 2, by the first roller 5 and the second roller 3 it
Between mould be meshed make on surface fibre material formed bulge 21, engagement system when punch-pin boss 16 as shown in figure 8, be embedded in
When in cavity plate die cavity 12, as soon as perforating needle 11 can be also embedded in pin hole 1, the bulge 21 being forced out is punctured to form perforate one
20, because the action punctured to bottom is entered from the top of bulge 21, it will make to be formed in the microstructure of perforate 1
The structure of back taper.And similar due to the engagement of perforating needle 29 and pin hole 2 15, direction is through surface fibre from top to bottom
Layer, forms perforate 2 25 on top layer 22；The fibrous material that second roller 3 continues after transmission processing is rotated further, and delivers to the second roller 3
And the 3rd between roller 4, bottom layer of fibrous material is also sent to the second roller 3 and the 3rd from bottom base fabric let off roll 6 by guide roller 2
Between roller 4, it is meshed by mould between the second roller 3 and the 3rd roller 4, engagement system is as shown in figure 9, acupuncture portion on mould
Part, above and by the perforate 2 25 on top layer 22, forms the perforate two on insertion bottom 23 and top layer 22 simultaneously through bottom fiber layer
25, while bounding point 24 is suppressed on donble layer composite fibre layer by the bounding point boss 10 on the second roller 3, in order to prepare this
The double-layer drilling fibrous material of invention on the 3rd roller 4, it is necessary to also install a levels set composite, and such as ultrasonic wave is compound to be filled
Put, fibrous layer bonding is carried out in the position of bounding point 24.The donble layer composite fibre material of shaping passes through guide roller 2, tension rolling roller 1
Base fabric wind-up roll 8 after to machine-shaping, completes coiled forming double-layer complex fiber material.
Bounding point boss 10 on the outside of the upper edge of cavity plate die cavity 12 of second roller 3 can add to the secondary of this fibrous material
In work, while the compound of double layer fibre material is completed, this ensure that the perforate of depressed area top layer 22 and bottom perforate of shaping cloth
Precise area correspondence, eliminate three times and process the deformation that may bring, bilayer thickness is higher than individual layer in addition, therefore back taper is opened
Hole, which has, preferably reduce liquid to bleed back to the chance on top layer non-woven fabrics top layer 22, it is ensured that the gas permeability of product, it is three-dimensional and
Comfort type.
In the present embodiment, bounding point boss 10 is discontinuous circular arc, but it is to be appreciated that it can also be continuous
, or other shapes.
Perforate 1 in the present embodiment is opened in bulge 21, and hole is via the upper surface of top layer non-woven fabrics, top layer non-woven fabrics
The inside of bulge 21 is extended in top-down taper with top layer non-woven fabrics lower surface, this is also formed the upper table of bulge 21
Face, taper hole bottom and bulge 21 bottom three aspect, liquid can be penetrated into inside bulge 21 via taper hole, then through the bottom of bulge 21
Portion penetrates into interiors of products, and/or depressed area perforate 2 25 penetrates into opening in interiors of products, bulge 21 between bulge 21
The perforate 2 25 of hole 1 and depressed area all reduces the chance that liquid bleeds back to top layer non-woven fabrics top layer 22 well, so that it is guaranteed that
Product it is dry and comfortable.Meanwhile, the perforate 2 25 of depressed area reduces the surface area of complex fiber material of the present invention, so and body
Contact area is reduced, and adds comfort, air permeability.And the multi-layer fiber layer due to the insertion of perforate 2 25, its back taper is micro-
Seeing structure also can more firmly, and the effect that stereoeffect and liquidproof are oozed back is more preferable.
In one embodiment, above-mentioned double layers of nonwoven materials can be applied to urine pants top layer, the material of use
It is exemplarily as follows：
First layer fabric nonwoven cloth：2.0 denier bi-component hot-wind nonwoven cloths, base weighs 26 grams per square meters.
First layer fabric nonwoven cloth：2.0 denier bi-component hot-wind nonwoven cloths, base weighs 22 grams per square meters.
Punching and 3D shapings：Using mechanical penetration and thermal finalization, the wherein root diameter (RD) of pin is 1.2 millimeters, operating temperature
For 90 DEG C；
Donble layer composite fibre material is bonded：Using ultrasonic technology, wherein roll surface temperature is 90 DEG C；In another reality
Apply in example, using hot heater, the second roller and the 3rd roll surface temperature is reached 90 DEG C, so as to realize that complex fiber material exists
The heat bonding of bounding point.
In the present embodiment, the diameter of bulge 21 of formation is 7mm, and opening diameter is 0.7mm, the height of bulge 21 in 1.3mm,
4 perforates 1 are provided with each bulge 21, each depressed area is provided with 4 perforates 2 25.
Reference examples 1
Using levels non-woven fabric in the same manner as in Example 1, the technique of manufacture is first by upper strata nonwoven
Punched on cloth fabric, to form the pin hole of 0.7mm diameters, then diameter formed on the non-woven fabric of upper strata by format roll
7mm, height 1.3mm bulge, make pin hole be located in bulge.Other conditions and all same of embodiment 1.
| The fabric that embodiment 1 is obtained | The fabric that reference examples 1 are obtained | |
| Dry-ness increase (bleeding back reduction) | 0.08 gram | 0.4 gram |
| Sliding milliosmolarity | 0.4 gram | 1.5 grams |
It is the smaller the better that the amount of bleeding back and sliding milliosmolarity are numerical value.
Claims (13)
1. a kind of donble layer composite fibre material, it is characterised in that bottom (23) and pressure including fibrous layer material are at an upper portion thereof
The top layer (22) of fibrous layer material, is distributed with bulge (21) protruding upward on top layer (22), and table is provided between bulge and bulge
Layer (22) and the compound depressed area of bottom (23)；The perforate one (20) of downward insertion top layer (22) is provided with bulge (21)；Institute
State depressed area and set perforate two (25), the perforate two (25) while downward insertion top layer (22) and bottom (23)；In bulge (22)
There is the bounding point (24) for making top layer (22) mutually be fixed with bottom (23) around root.
2. donble layer composite fibre material according to claim 1, it is characterised in that the perforate one (20) and the perforate
Two (25) diameter ranges are 0.3~2.0mm；The diameter range of bulge can be that between 1~20mm, the height of bulge can be
Between 0.1~10mm.
3. donble layer composite fibre material according to claim 1, it is characterised in that the material on described top layer (22) is used
Non-woven fabrics, the material of described bottom (23) uses non-woven fabrics or polymer, can be polyethylene using the material of polymer
Making hole film etc..
4. donble layer composite fibre material according to claim 1, it is characterised in that the top layer (22) and bottom (23) can
To be one or more layers fibrous layer.
5. donble layer composite fibre material according to claim 1, it is characterised in that described bounding point (24) can be connected
Continuous is either discontinuously arranged.
6. a kind of device for being used to produce the donble layer composite fibre material described in claim 1, it is characterised in that
Including cavity plate (13), punch-pin (14), flat board mould (18) and levels set composite；
Cavity plate (13) surface is provided with the perforating needle two (9) for being used for punching perforate two (25), and in top layer (22)
The cavity plate die cavity (12) of bulge (21) is suppressed, the Surface Edge of cavity plate die cavity (12) is along provided with for suppressing the viscous of bounding point (24)
The perforating needle one (11) for being used for punching perforate one (20) is provided with inside chalaza boss (10), cavity plate die cavity (12)；
Punch-pin (14) surface is provided with punch-pin boss (16), and punch-pin boss (16) is just mutually nibbled with the cavity plate die cavity (12)
Close, punch-pin boss (16) upper surface is provided with the pin hole one (17) that is meshed with the perforating needle one (11), punch-pin boss (16) with
Surface between punch-pin boss (16) is provided with the pin hole two (15) being meshed with perforating needle two (9)；
Described Flat Membrane (18) is provided with the pin hole three (19) being equally meshed with perforating needle two (9)；
Described levels set composite can carry out fibrous layer bonding to bounding point (24) and process.
7. the device of production donble layer composite fibre material according to claim 6, it is characterised in that described levels are answered
Attach together and be set to heater or ultrasonic-wave forming device.
8. a kind of shaping roller group for producing donble layer composite fibre material, it is characterised in that include the first roller (5), the second roller
(3), the 3rd roller (4) and levels set composite, the punch-pin (14) described in claim 6 is provided with the surface of the first roller (5),
The cavity plate (13) described in claim 6 is provided with the surface of the second roller (3), the surface of the 3rd roller is provided with claim 6 institute
The flat board mould (18) stated；Second roller is engaged with the first roller and the 3rd roller respectively；When second roller is engaged with the first roller, perforating needle one
(11) engaged with pin hole one (17), perforating needle two (9) is engaged with pin hole two (15), and cavity plate die cavity (12) is nibbled with punch-pin boss (16)
Close；When second roller is engaged with the 3rd roller, perforating needle two (9) and pin hole three (19) are meshed.By levels set composite
Complex fiber material is set to be bonded in bounding point when two rollers and the engagement of the 3rd roller.
9. the shaping roller group of production donble layer composite fibre material according to claim 8, it is characterised in that described shaping
Also include in roller group：
Top layer base fabric let off roll (7), for the conveying surface material into shaping roller group；
Bottom base fabric let off roll (6), for shaping roller group on convey primer；
Guide roller (2), for being oriented to transmission top layer nonwoven cloth material；
Tension rolling roller (1), the fibrous material product for preparing winding composite molding；
Base fabric wind-up roll (8) after machine-shaping, for the fibrous material product for being molded obtained composite molding to be wound.
10. a kind of production method of donble layer composite fibre material, it is characterised in that comprise the following steps：
1st step, the second roller described in the first roller and claim 8 that surface fibre material is delivered to described in claim 8 it
Between, make to form bulge on surface fibre material by being meshed between the first roller and the second roller, it is logical while bulge is formed
The acupuncture part crossed on mould respectively in bulge between bulge from top to bottom running through from top to bottom on surface fibre material
Fibrous material, to form the perforate one (20) described in claim 1；
2nd step, the fibrous material that the second roller transmits after the 1st step is rotated further, deliver to the second roller and described in claim 8 the 3rd
Between roller, perforate two (25) is formed there through on bottom fiber layer by being meshed between the second roller and the 3rd roller, led to simultaneously
Cross the bounding point boss (10) on the second roller and suppress bounding point on double layer fibre layer, by levels set composite in bounding point
Position makes top layer (22) and bottom (23) bonding, the donble layer composite fibre material being molded.
11. as the preparation-obtained donble layer composite fibre material of production method described in claim 10.
12. a kind of personal care absorbent product, absorbent cores with top layer (22) and bottom (23) and between them
Body, top layer (22) therein and/or bottom (23) have the donble layer composite fibre material mentioned in claim requirement 1.
13. according to the personal care absorbent product mentioned in claim 12, also including top layer (22) between absorptive core
Guide layer, guide layer therein has the donble layer composite fibre material mentioned in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196238.XA CN106956485B (en) | 2017-03-29 | 2017-03-29 | Double-layer composite fiber material and preparation method, device and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196238.XA CN106956485B (en) | 2017-03-29 | 2017-03-29 | Double-layer composite fiber material and preparation method, device and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106956485A true CN106956485A (en) | 2017-07-18 |
| CN106956485B CN106956485B (en) | 2020-05-05 |
Family
ID=59471593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710196238.XA Active CN106956485B (en) | 2017-03-29 | 2017-03-29 | Double-layer composite fiber material and preparation method, device and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106956485B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784934A (en) * | 2018-04-16 | 2018-11-13 | 南京锦琪昶新材料有限公司 | A kind of complex fiber material and preparation method thereof, device, application |
| CN109109413A (en) * | 2018-08-27 | 2019-01-01 | 北京大源非织造股份有限公司 | A kind of high thickness lamination non-woven cloth and preparation method thereof |
| CN114288089A (en) * | 2021-12-27 | 2022-04-08 | 福建恒安卫生材料有限公司 | Preparation method of absorbent product with three-dimensional pure cotton surface layer |
| CN114654818A (en) * | 2022-01-18 | 2022-06-24 | 江苏锦琪昶新材料有限公司 | Fiber material, preparation method and device and sanitary product |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2431859Y (en) * | 2000-08-01 | 2001-05-30 | 上海亚恒网面材料有限公司 | Microporous flexible and smooth mesh shell fabric |
| CN102145565A (en) * | 2010-11-07 | 2011-08-10 | 金红叶纸业集团有限公司 | Surface sheet of absorption product and manufacturing method thereof |
| CN105748209A (en) * | 2016-03-16 | 2016-07-13 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
| CN205459395U (en) * | 2015-12-11 | 2016-08-17 | 泉州市汉威机械制造有限公司 | Core is absorbed to three -dimensional pressure point formula |
| CN106038072A (en) * | 2016-07-06 | 2016-10-26 | 厦门延江新材料股份有限公司 | Punching and knurling forming device |
| CN207140486U (en) * | 2017-03-29 | 2018-03-27 | 南京锦琪昶新材料有限公司 | A kind of donble layer composite fibre material and personal care absorbent product |
-
2017
- 2017-03-29 CN CN201710196238.XA patent/CN106956485B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2431859Y (en) * | 2000-08-01 | 2001-05-30 | 上海亚恒网面材料有限公司 | Microporous flexible and smooth mesh shell fabric |
| CN102145565A (en) * | 2010-11-07 | 2011-08-10 | 金红叶纸业集团有限公司 | Surface sheet of absorption product and manufacturing method thereof |
| CN205459395U (en) * | 2015-12-11 | 2016-08-17 | 泉州市汉威机械制造有限公司 | Core is absorbed to three -dimensional pressure point formula |
| CN105748209A (en) * | 2016-03-16 | 2016-07-13 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
| CN106038072A (en) * | 2016-07-06 | 2016-10-26 | 厦门延江新材料股份有限公司 | Punching and knurling forming device |
| CN207140486U (en) * | 2017-03-29 | 2018-03-27 | 南京锦琪昶新材料有限公司 | A kind of donble layer composite fibre material and personal care absorbent product |
| CN207403272U (en) * | 2017-03-29 | 2018-05-25 | 南京锦琪昶新材料有限公司 | A kind of device for being used to produce donble layer composite fibre material and shaping roller group |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784934A (en) * | 2018-04-16 | 2018-11-13 | 南京锦琪昶新材料有限公司 | A kind of complex fiber material and preparation method thereof, device, application |
| CN109109413A (en) * | 2018-08-27 | 2019-01-01 | 北京大源非织造股份有限公司 | A kind of high thickness lamination non-woven cloth and preparation method thereof |
| CN114288089A (en) * | 2021-12-27 | 2022-04-08 | 福建恒安卫生材料有限公司 | Preparation method of absorbent product with three-dimensional pure cotton surface layer |
| CN114654818A (en) * | 2022-01-18 | 2022-06-24 | 江苏锦琪昶新材料有限公司 | Fiber material, preparation method and device and sanitary product |
| CN114654818B (en) * | 2022-01-18 | 2023-12-05 | 江苏锦琪昶新材料有限公司 | Fiber material, preparation method and device and sanitary article |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106956485B (en) | 2020-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106956485A (en) | A kind of donble layer composite fibre material and preparation method thereof, device, application | |
| TWI708597B (en) | Absorbent articles | |
| JP5270301B2 (en) | Absorbent article and manufacturing method thereof | |
| CN103156735B (en) | Manufacturing method of liquid permeability clad sheet | |
| KR101905277B1 (en) | Hot air non-woven fabric and manufacturing method therefor | |
| CN107205852B (en) | Breeches type disposable diaper | |
| CN108348374A (en) | Absorbent commodity | |
| JP2009089965A (en) | Surface sheet of absorbent article and its manufacture process | |
| US20220055338A1 (en) | Perforated laminated product and method for producing this product | |
| CN106313867A (en) | Punching and knurling composite molding device | |
| CN207140486U (en) | A kind of donble layer composite fibre material and personal care absorbent product | |
| CN206085921U (en) | Knurling composite forming device punches | |
| JP2008264077A (en) | Absorbent article and manufacturing method of absorbent article | |
| CN206394118U (en) | A kind of novel double-layer complex fiber material, shaping roller group, process units and personal care absorbent product | |
| CN112455014B (en) | Three-layer composite fiber material and preparation method, device and application thereof | |
| CN108357183B (en) | Perforated three-dimensional sheet with double-sided protrusions and forming method thereof | |
| JP2014068745A (en) | Absorbent article | |
| CN108348375A (en) | Absorbent commodity | |
| CN107128021A (en) | A kind of novel double-layer complex fiber material and preparation method thereof and device | |
| CN109334143B (en) | Multilayer embossing non-woven fabric and production method thereof | |
| CN208343650U (en) | A kind of aperture three-dimensional sheet with two-sided protrusion | |
| CN1981724A (en) | Surface sheet absorbent article and absorbent article | |
| EP3452281B1 (en) | Multilayer material comprising at least a layer of non-woven fabric | |
| CN108784934A (en) | A kind of complex fiber material and preparation method thereof, device, application | |
| CN114654818B (en) | Fiber material, preparation method and device and sanitary article |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200408 Address after: 211111 No. 3600 Ningwu Avenue, Binjiang Development Zone, Jiangning District, Nanjing City, Jiangsu Province Applicant after: Jiangsu Jinqizhao New Materials Co.,Ltd. Address before: 211111 No. 18, Middle Road, homestead, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Applicant before: NANJING JINQICHANG NEW MATERIALS Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |