CN110141427A - A kind of the composite absorption core and its manufacturing method of middle layer with groove - Google Patents
A kind of the composite absorption core and its manufacturing method of middle layer with groove Download PDFInfo
- Publication number
- CN110141427A CN110141427A CN201910443955.7A CN201910443955A CN110141427A CN 110141427 A CN110141427 A CN 110141427A CN 201910443955 A CN201910443955 A CN 201910443955A CN 110141427 A CN110141427 A CN 110141427A
- Authority
- CN
- China
- Prior art keywords
- middle layer
- groove
- punch
- pin
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15723—Partitioning batts; Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15739—Sealing, e.g. involving cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15764—Transferring, feeding or handling devices; Drives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15804—Plant, e.g. involving several steps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/5376—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15463—Absorbency
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15804—Plant, e.g. involving several steps
- A61F2013/15813—Plant, e.g. involving several steps with modular lines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53765—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
- A61F2013/53778—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry with grooves
Abstract
The present invention discloses the composite absorption core and its manufacturing method of a kind of middle layer with groove, the middle layer that composite absorption core has puffy raw material to make, it is wrapped up in middle layer tiling or embedded addition water-absorbent material SAP, then by upper layer non-woven fabrics and lower nonwoven cloth.Composite absorption core and its manufacturing method are currently known usually in the tiling of SAP material or embedded addition in middle layer, it is added using subregion and fixation forms indirect groove, such method is not that groove is really dug out in intermediate layer material, groove only could be formed after SAP material absorbs liquid expansion for the first time, thus improves the flow conductivity and absorption efficiency of second of liquid absorption.The manufacturing method of the present invention is that composite absorption core is made to have practical groove in the intermediate layer, the whole wearing form of flow conductivity and improvement for absorbing liquid and second of liquid absorption for the first time is promoted simultaneously, solves the problems, such as to be difficult to make practical groove in composite absorption core.
Description
Technical field
The present invention relates to amenities and its method field of manufacturing, particularly belong to a kind of composite absorption of middle layer with groove
Core and its manufacturing method.
Background technique
Absorptive core is to be used for disposable sanitary articles such as paper diaper, is used to absorb various liquid in sanitary napkin and other items
Key component.Can be substantially divided by being currently known the common absorptive core of human waste treatment by two kinds, and one is Time of Fluff Slurry cores
Body, one is composite absorption cores.Wherein: the development of Time of Fluff Slurry core existing more than 40 years, Time of Fluff Slurry core was mainly by by wood pulp
Volume crushes, and is formed with long stapled Time of Fluff Slurry, is filled into the pre- mold made using air negative pressure, while adding SAP and (inhaling
Water material) molding, a kind of absorptive core then formed by dust-free paper or non-woven wraps.Due to smashed Time of Fluff Slurry and
SAP be all it is powdered, by designing different mold, various absorptive cores of different shapes can be formed, so making Time of Fluff Slurry
The structure for having practical groove in absorptive core is easier to.
It is known that having the absorptive core after groove, can have faster water conservancy diversion speed, such as existing publication number
The product of CN206391092U, CN108685643A etc.；Preferably wearing effect, such as production of existing publication number CN206198165U
Product.But such Time of Fluff Slurry core is that reshaping after crushing cannot keep original shape after reabsorbing liquid expansion, is easy
Existing tomography acts the drawbacks such as stick together.
Composite absorption core be it is a kind of developed faster novel absorbent core in recent years, composite absorption core mainly pass through by
Several layers of different puffy raw material (such as dust-free paper, loft non-woven cloth etc.) be used as intermediate layer material, by tiling or it is embedded
One or more SAP materials are added, then are wrapped up by upper layer non-woven fabrics and lower nonwoven cloth.Due to the original of composite absorption core
Material is dust-free paper or non-woven fabrics, even if being also able to maintain good shape after absorbing liquid expansion, being not in tomography
Act the drawbacks of sticking together.
But since the raw material of composite absorption core middle layer are non-woven fabrics or dust-free paper, so in composite absorption core
In intermediate layer material, it is difficult to it be made to have the structure of practical groove.It is more flow conductivity than improvement composite absorption core as currently known
Product such as publication number CN206007482U or publication number CN208492517U be all by by the SAP layers of subregion when broadcasting sowing
It adds and fixed, to realize the function of practical groove indirectly.However it is not in composite absorption core intermediate layer material
In veritably dig out groove, only first time absorb liquid after, after SAP layers of volume expansion, groove could be formed.It can only change
Kind water conservancy diversion speed when improving second of liquid absorption, is unable to improve the water conservancy diversion speed for improving and absorbing liquid for the first time, and
During absorbing liquid for the first time, SAP layers are easy to appear deviation aggregation, so that some regions SAP material is more, other areas
Domain is less, and whole threading comfort is poor.For this purpose, the present invention provides a kind of composite absorption core of middle layer with groove and its systems
Make method.
Summary of the invention
The present invention provides the composite absorption core and its manufacturing method of a kind of middle layer with groove, by middle layer, suction
Water material SAP, upper layer non-woven fabrics, lower nonwoven cloth and intermediate layer processing and fabricating have in the practical groove overall structure of discontinuous
Optimization design, and research and development to the manufacturing method of the practical groove of face processing and fabricating on the intermediate layer solve above-mentioned background
The problem of being mentioned in technology.
The technical solution adopted by the invention is as follows:
A kind of composite absorption core of middle layer with groove, composite absorption core include middle layer, water-absorbent material SAP, on
Layer non-woven fabrics and lower nonwoven cloth, middle layer are made of puffy material, on the intermediate layer face tiling or embedded addition water suction
Material SAP, then composite absorption core is made by upper layer non-woven fabrics and lower nonwoven cloth package, the puffy material is dustless
One or both of paper, loft non-woven cloth mixture, it is characterised in that: the intermediate layer of composite absorption core has reality
Groove, the groove are distributed in absorptive core and the length direction of absorptive core middle layer in discontinuous.
A kind of manufacturing method of the composite absorption core of middle layer with groove, the specific steps of which are as follows:
Step 1: the preparatory notch of groove carries out uncoiling smoothing processing to coiled puffy material, in puffy material system
The intermediate layer of work uses folded bent face generally parallel orientation along with it, or in the middle layer of puffy material production
Along with it the forward motion direction generally parallel orientation is made, cutting by cutter has one or two or more pre- in face
Notch, the described precutting is in middle layer direction of advance at Disjunct distribution；
Step 2: cascade stretch, with the middle layer of precutting in above-mentioned steps one, the drawing by two or greater than two
It stretches roller and carries out cascade stretch intermediate layer material, in a stretched state using intermediate layer material, nature occurs with vertical direction is stretched
The characteristic of contraction, the self-assembling formation groove around precutting；
Step 3: insertion has the briquetting roller of punch-pin, with fluted intermediate layer material in above-mentioned steps two, passes through one
The briquetting roller with punch-pin being parallel to each other with draw roll, briquetting roller rotate under motor effect, while in middle layer and molding
The reverse side of wheel tread vacuumizes middle layer, in the way of negative pressure of vacuum, above the briquetting roller with punch-pin
The groove that punch-pin is embedded into the groove at middle layer precutting, at middle layer precutting is formed the punch-pin of wheel above and opens,
Groove width reaches the width of punch-pin；
Step 4: reaching the intermediate layer material of suitable groove width, by side in middle layer the forward motion direction with
Contrary side is vacuumized, the negative pressuren zone in transfer wheel, which carries out negative inspiratory pressure, to be shifted with the middle layer of suitable groove width
Onto transfer wheel, the groove of intermediate layer is made to leave the punch-pin above briquetting roller；
Step 5: at web-like upper layer non-woven fabrics or lower nonwoven cloth by unwinding device, carry out uncoiling, smoothing,
The face applied atop hot melt adhesive that upper layer non-woven fabrics or lower nonwoven cloth will be contacted with middle layer, the middle layer that will be provided with groove are used
Hot melt adhesive and upper layer non-woven fabrics or lower nonwoven cloth are compound, fix the global shape of groove, then after adding water-absorbent material SAP,
Form the stable structure composite absorptive core for having groove.
Preferably, the groove is distributed on the length direction of absorptive core middle layer and absorptive core in discontinuous.
Preferably, the ratio stretched in the cascade stretch, can be according to the material property of production compound core body middle layer
It is adjusted.
Preferably, the material of the production compound core body middle layer is one or both of dust-free paper, loft non-woven cloth
Its stretch ratio of compound core body middle layer of mixture, dust-free paper or the production of loft non-woven cloth is 5%~20%.
Preferably, the briquetting roller with punch-pin is made of forming core wheel, affixed side card and punch-pin fragment, by punch-pin point
Piece is mounted on around forming core wheel side, is fixed by screws in affixed side card in the following, affixed side card pressure in punch-pin fragment two sides
Mounted in punch-pin fragment two sides, affixed side card convex mould fragment is laminated by screw and forming core wheel peripheral side and is connected as one
Body.
Preferably, the punch-pin fragment is tile type, can be come by the punch-pin width above installation and adjustment punch-pin fragment
Adjust the different in width of the intermediate layer groove of the composite absorption core manufactured by this method.
Compared with the prior art, beneficial effects of the present invention are as follows:
By having to middle layer, water-absorbent material SAP, upper layer non-woven fabrics, lower nonwoven cloth and intermediate layer processing and fabricating
In the integrally-built optimization design of the practical groove of discontinuous, and to the manufacturer of the practical groove of face processing and fabricating on the intermediate layer
The research and development of method solve the problems, such as to mention in above-mentioned background technique.Meanwhile remarkable result of the invention are as follows:
1) when using stretching to production intermediate layer material length direction, the shrinkable characteristic of width direction generates groove,
Solve the problems, such as that the on the make interlayer material width direction that cannot achieve using techniques such as molding cutters forms extremely narrow groove,
The present invention can process the extremely narrow groove less than 10mm；
2) can be by changing or replacing the size of the punch-pin that tile type punch-pin fragment is embedded in above, flexible modulation is compound
Absorptive core intermediate layer processes the width of groove, and production operation is convenient, and overall effect is good, high production efficiency；
3) without removing the material in middle layer groove, the whole utilization rate of production intermediate layer material is improved；
4) in composite absorption core middle layer the practical groove of processing and fabricating and manufacture composite absorption core process
In, do not need to save using complicated and expensive molding cutter the investment for manufacturing composite absorption core complete equipment and
Maintenance cost.
The present invention makes composite absorption core have practical groove in the intermediate layer, while being promoted and absorbing liquid and for the first time
The whole wearing form of flow conductivity and improvement of secondary liquid absorption, solves and is difficult to make practical groove in composite absorption core
The problem of, so that absorptive core is had faster water conservancy diversion speed, be not in tomography or rise the phenomenon that sticking together, SAP material will not occur
The phenomenon that expecting deviation aggregation, whole threading comfort is good.
Detailed description of the invention
Fig. 1 is compound core body groove of the present invention horizontal cross-section schematic diagram；
Fig. 2 is the middle layer of the present invention practical groove of processing and its lower nonwoven cloth coating hot-melt adhesive forms and stable has ditch
The structure composite absorptive core of slot manufactures schematic diagram；
Fig. 3 is the middle layer of the present invention practical groove of processing and its upper layer non-woven fabrics coating hot-melt adhesive forms and stable has ditch
The structure composite absorptive core of slot manufactures schematic diagram；
Fig. 4 is that middle layer processes precutting main-vision surface schematic diagram；
Fig. 5 is that middle layer processes precutting vertical view face schematic diagram；
Fig. 6 is to carry out cascade stretch at middle layer precutting to process main-vision surface schematic diagram；
Fig. 7 is to carry out cascade stretch at middle layer precutting to process vertical view face schematic diagram；
Fig. 8 is the briquetting roller overall schematic with punch-pin when middle layer of the present invention processes practical groove；
Fig. 9 is the briquetting roller A-A diagrammatic cross-section with punch-pin when middle layer of the present invention processes practical groove；
Figure 10 is tile type punch-pin fragment schematic diagram in the briquetting roller with punch-pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of invention protection.
Below with reference to embodiment and specific embodiment, the present invention will be further described in detail.
Referring to attached drawing: a kind of composite absorption core of middle layer with groove, composite absorption core include middle layer (1), inhale
Water material SAP (2), upper layer non-woven fabrics (3) and lower nonwoven cloth (4), middle layer (1) is made of puffy material (101), in
Interbed (1) tiles above or embedded addition water-absorbent material SAP (2), then is wrapped by upper layer non-woven fabrics (3) and lower nonwoven cloth (4)
It wraps up in and composite absorption core is made, the puffy material (101) is the mixing of one or both of dust-free paper, loft non-woven cloth
Object, it is characterised in that: the middle layer (1) of composite absorption core has practical groove (5) above, and the groove (5) is in absorbent cores
Body and the length direction of absorptive core middle layer (1) are distributed in discontinuous.
A kind of manufacturing method of the composite absorption core of middle layer with groove, the specific steps of which are as follows:
Step 1: groove (5) preparatory notch carries out uncoiling smoothing processing to coiled puffy material (101), fluffy
The middle layer (1) of shape material (101) production uses folded bent face generally parallel orientation along with it above, or in puffy material
The middle layer (1) of material (101) production along the forward motion direction generally parallel orientation is made with it, is cut above by cutter (13)
Be provided with one or two or more precutting (501), the described precutting (501) middle layer (1) direction of advance at
Disjunct distribution；
Step 2: cascade stretch by two or is greater than with the middle layer (1) of precutting (501) in above-mentioned steps one
Two draw rolls (6a and 6b) carry out cascade stretch middle layer (1) material, in a stretched state using middle layer (1) material,
It is natural around precutting (501) with the characteristic (as shown in band four-headed arrow in Fig. 7) for stretching vertical direction generation natural shrinking
It is formed groove (5)；
Step 3: insertion has the briquetting roller (15) of punch-pin (1503), and the middle layer of groove (5) is had in above-mentioned steps two
(1) material, the briquetting roller (15) with punch-pin (1503) being parallel to each other by one with draw roll (6a and 6b), briquetting roller
(15) it rotates under motor effect, while middle layer (1) is taken out in middle layer (1) and the reverse side of briquetting roller (15) contact surface
Negative pressuren zone (14) are vacuum formed, it, will the punch-pin of the briquetting roller (15) with punch-pin (1503) above in the way of negative pressure of vacuum
(1503) it is embedded into the groove (5) at middle layer (1) precutting (501) Nei, the groove (5) at middle layer (1) precutting (501)
It is formed the punch-pin (1503) of wheel (15) above to open, groove (5) width reaches the width of punch-pin (1503)；
Step 4: reach middle layer (1) material of suitable groove (5) width, by middle layer (1) the forward motion direction
Side with vacuumize contrary side (in such as Fig. 2 and Fig. 3 shown in the intermediate negative pressuren zone (14) of mark transfer wheel (10)),
Negative pressuren zone (14) in transfer wheel (10) carries out negative inspiratory pressure and the middle layer (1) with suitable groove (5) width is transferred to transfer
It takes turns on (10), the groove (5) of middle layer (1) above is made to leave the punch-pin (1503) of briquetting roller (15) above；
Step 5: at web-like (11) upper layer non-woven fabrics (3) or lower nonwoven cloth (4) by unwinding device, opened
Volume, smoothing, the face applied atop hot melt adhesive that non-woven fabrics (3) or lower nonwoven cloth (4) will be contacted with middle layer (1) on upper layer
(12), the middle layer (1) that will be provided with groove (5) is compound with hot melt adhesive (12) and upper layer non-woven fabrics (3) or lower nonwoven cloth (4),
The global shape of groove (5) is fixed, then after adding water-absorbent material SAP, forms the stable structure composite for having groove (5) and inhale
Receive core.
Preferably, the groove (5) is in absorptive core middle layer (1) and the length direction of absorptive core in discontinuous point
Cloth.
Preferably, the ratio stretched in the cascade stretch, can be special according to the material of production compound core body middle layer (1)
Property is adjusted.
Preferably, the material of production compound core body middle layer (1) is one of dust-free paper, loft non-woven cloth or two
Compound core body middle layer (1) its stretch ratio of kind mixture, dust-free paper or the production of loft non-woven cloth is 5%~20%.
Preferably, the briquetting roller (15) with punch-pin (1503) has forming core wheel (1504), affixed side card (1501)
It is formed with punch-pin fragment (1502), punch-pin fragment (1502) is mounted on forming core wheel (1504) side periphery, in punch-pin fragment
(1502) two sides are fixed by screws in affixed side card (1501) in the following, affixed side card (1501) is fitted in punch-pin fragment (1502)
Two sides, affixed side card (1501) punch-pin fragment (1502) are laminated with forming core wheel (1504) peripheral side by screw and are connect
It is integrated.
Preferably, the punch-pin fragment (1502) is tile type, can be by installation and adjustment punch-pin fragment (1502) above
Punch-pin (1503) width, come adjust the composite absorption core by this method manufacture middle layer (1) groove (5) above difference
Width.
When actual production manufactures, as shown in Fig. 2, as follows when groove specifically fabricates in composite absorption core of the present invention:
1. uncoiling processing will be carried out puffy material (101) required for production composite absorption core middle layer (1), in this
Interbed (1) material is non-woven fabrics or dust-free paper；
2. uncoiling process after middle layer (1) by the cutter (13) in the direction parallel with its direction of advance, cut
One or two or more precutting (501), the precutting (501) is in middle layer (1) direction of advance at discontinuous point
Cloth, as shown in the precutting (501) in Fig. 5；
3. have precutting (501) middle layer (1) material, respectively by two or greater than two draw roll (6a and
It 6b) is stretched, wherein the speed of draw roll (6b) is greater than the speed of draw roll (6a), and stretch ratio can be according to middle layer
(1) different raw material characteristics are adjusted, such as: dust-free paper or loft non-woven cloth production compound core body middle layer (1) its
Stretch ratio is 5%~20%；
4. in a stretched state, middle layer (1) material can edge and middle layer due to the characteristic of middle layer (1) material itself
(1) the perpendicular direction of material direction of advance generates contraction, (as shown in band four-headed arrow in Fig. 7), with precutting (501)
Middle layer (1) material is formed around the region of precutting (501) because of middle layer (1) material after stretched roller (6b) stretching
Material is shunk, and the groove (5) generated；
5. having the molding of punch-pin (1503) by one with middle layer (1) material (7) of practical groove (5) at this time
It takes turns in (15), is embedded into punch-pin therein (1503) in groove (5).Meanwhile in middle layer (1) material (7) and briquetting roller
(15) reverse side of contact surface vacuumize to middle layer (1) material (7) forming negative pressuren zone (14), utilizes the side of negative pressure of vacuum
The punch-pin (1503) of briquetting roller (15) with punch-pin (1503) above is embedded at middle layer (1) precutting (501) by formula
In groove (5), under the action of negative pressure of vacuum, groove (5) is opened by punch-pin (1503), and the width of groove (5) reaches punch-pin
(1503) width.The briquetting roller (15) of punch-pin (1503) is had as shown in Figure 8, and the punch-pin fragment (1502) installed above is
Tile type facilitates the width for adjusting different middle layer (1) materials (7) groove (5) above；
6. reaching middle layer (1) material (7) of suitable groove (5) width, by middle layer (1) the forward motion direction
Side with vacuumize contrary side (in such as Fig. 2 shown in the intermediate negative pressuren zone (14) of mark transfer wheel (10)), transfer wheel
(10) negative pressuren zone (14) in carries out negative inspiratory pressure and the middle layer (1) with suitable groove (5) width is transferred to transfer wheel (10)
On, so that the groove (5) of middle layer (1) above is left the punch-pin (1503) of briquetting roller (15) above；
7. lower nonwoven cloth (4) material is processed by uncoiling, it is multiple with middle layer (1) material (7) afterwards to apply hot melt adhesive (12)
It closes, forms the stable structure for having groove (5)；
As shown in Figure 3, as follows when groove specifically fabricates in composite absorption core of the present invention:
1. puffy material (101) required for pair manufacture composite absorption core middle layer (1) carries out uncoiling processing, in this
Interbed (1) material is loft non-woven cloth or dust-free paper；
2. middle layer (1) material after uncoiling is good is cut by the cutter (13) in the direction parallel with its direction of advance
One or two or more precutting (501), the precutting (501) is in middle layer (1) direction of advance at discontinuous point
Cloth, as shown in the precutting (501) in Fig. 5；
3. have precutting (501) middle layer (1) material, respectively by two or greater than two draw roll (6a and
It 6b) is stretched, wherein the speed of draw roll (6b) is greater than the speed of draw roll (6a), and stretch ratio can be according to middle layer
(1) different raw material characteristics are adjusted, such as: compound core body middle layer (1) its stretch ratio of dust-free paper production is 5%
~20%；
4. in a stretched state, middle layer (1) material can edge and middle layer due to the characteristic of middle layer (1) material itself
(1) the perpendicular direction of material direction of advance generates contraction, (as shown in band four-headed arrow in Fig. 7), with precutting (501)
Middle layer (1) material is formed around the region of precutting (501) because of middle layer (1) material after stretched roller (6b) stretching
Material is shunk, and the groove (5) generated；
5. having the molding of punch-pin (1503) by one with middle layer (1) material (7) of practical groove (5) at this time
It takes turns in (15), is embedded into punch-pin therein (1503) in groove (5).Meanwhile in middle layer (1) material (7) and briquetting roller
(15) reverse side of contact surface vacuumize to middle layer (1) material (7) forming negative pressuren zone (14), utilizes the side of negative pressure of vacuum
The punch-pin (1503) of briquetting roller (15) with punch-pin (1503) above is embedded at middle layer (1) precutting (501) by formula
In groove (5), under the action of negative pressure of vacuum, groove (5) is opened by punch-pin (1503), and the width of groove (5) reaches punch-pin
(1503) width.The briquetting roller (15) of punch-pin (1503) is had as shown in Figure 8, and the punch-pin fragment (1502) installed above is
Tile type facilitates the width for adjusting different middle layer (1) materials (7) groove (5) above；
6. reaching middle layer (1) material (7) of suitable groove (5) width, by middle layer (1) the forward motion direction
Side with vacuumize contrary side (in such as Fig. 2 shown in the intermediate negative pressuren zone (14) of mark transfer wheel (10)), transfer wheel
(10) negative pressuren zone (14) in carries out negative inspiratory pressure and the middle layer (1) with suitable groove (5) width is transferred to transfer wheel (10)
On, so that the groove (5) of middle layer (1) above is left the punch-pin (1503) of briquetting roller (15) above；
7. non-woven fabrics (3) material in upper layer, to process by uncoiling, heat application melten gel (12) is multiple with middle layer (1) material (7) afterwards
It closes, forms the stable structure for having groove (5)；
When subsequent continuous production, circulation continuous is carried out as procedure described above, is able to produce and is produced large batch of middle layer
(1) the composite absorption core of with groove (5).
The present invention makes composite absorption core have practical groove in the intermediate layer, while being promoted and absorbing liquid and for the first time
The whole wearing form of flow conductivity and improvement of secondary liquid absorption, solves and is difficult to make practical groove in composite absorption core
The problem of, so that absorptive core is had faster water conservancy diversion speed, be not in tomography or rise the phenomenon that sticking together, SAP material will not occur
The phenomenon that expecting deviation aggregation, whole threading comfort is good.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (7)
1. a kind of composite absorption core of middle layer with groove, composite absorption core includes middle layer, water-absorbent material SAP, upper layer
Non-woven fabrics and lower nonwoven cloth, middle layer are made of puffy material, on the intermediate layer face tiling or embedded addition water-absorption material
Expect SAP, then composite absorption core be made by upper layer non-woven fabrics and lower nonwoven cloth package, the puffy material be dust-free paper,
One or both of loft non-woven cloth mixture, it is characterised in that: the intermediate layer of composite absorption core has practical ditch
Slot, the groove are distributed in absorptive core and the length direction of absorptive core middle layer in discontinuous.
2. a kind of manufacturing method of the composite absorption core of middle layer with groove according to claim 1, specific steps are such as
Under:
1) the preparatory notch of groove carries out uncoiling smoothing processing to coiled puffy material, in the centre of puffy material production
Folded bent face generally parallel orientation is used along with it above layer, or on the intermediate layer edge of puffy material production and its
The forward motion direction generally parallel orientation is made, has one or two or more precutting, institute by cutter incision
The precutting is stated in middle layer direction of advance into Disjunct distribution；
2) cascade stretch, it is above-mentioned 1) in the middle layer with precutting, the draw roll by two or greater than two is classified
In a stretched state using intermediate layer material the characteristic of natural shrinking occurs with stretching vertical direction for tensile intermediate layer material,
Self-assembling formation groove around precutting；
3) insertion have punch-pin briquetting roller, it is above-mentioned 2) in fluted intermediate layer material, it is mutual with draw roll by one
The parallel briquetting roller with punch-pin, briquetting roller motor effect under rotate, while middle layer with form wheel tread it is anti-
It is vacuumized in face of middle layer, in the way of negative pressure of vacuum, the punch-pin above the briquetting roller with punch-pin is embedded into
In groove at interbed precutting, the groove at middle layer precutting is formed the punch-pin of wheel above and opens, and groove width reaches
The width of punch-pin；
4) intermediate layer material for reaching suitable groove width by the side in middle layer the forward motion direction and vacuumizes direction
Middle layer with suitable groove width is transferred to transfer wheel by opposite side, the negative pressuren zone progress negative inspiratory pressure shifted in wheel
On, so that the groove of intermediate layer is left the punch-pin above briquetting roller；
5) at web-like upper layer non-woven fabrics or lower nonwoven cloth by unwinding device, carry out uncoiling, smoothing, in upper layer non-woven fabrics
Or the face applied atop hot melt adhesive that lower nonwoven cloth will be contacted with middle layer, will be provided with the middle layer hot melt adhesive of groove with it is upper
Layer non-woven fabrics or lower nonwoven cloth are compound, fix the global shape of groove, then after adding water-absorbent material SAP, are formed stable
The structure composite absorptive core for having groove.
3. a kind of manufacturing method of the composite absorption core of middle layer with groove according to claim 2, it is characterised in that
The groove is distributed on the length direction of absorptive core middle layer and absorptive core in discontinuous.
4. a kind of manufacturing method of the composite absorption core of middle layer with groove according to claim 2, it is characterised in that
The ratio stretched in the cascade stretch can be adjusted according to the material property of production compound core body middle layer.
5. a kind of manufacturing method of the composite absorption core of middle layer with groove according to claim 4, it is characterised in that
The material of the production compound core body middle layer is one or both of dust-free paper, loft non-woven cloth mixture, dustless made of paper
Make or its stretch ratio of the compound core body middle layer of loft non-woven cloth is 5%~20%.
6. a kind of manufacturing method of the composite absorption core of middle layer with groove according to claim 2, it is characterised in that
The briquetting roller with punch-pin is made of forming core wheel, affixed side card and punch-pin fragment, and punch-pin fragment is mounted on forming core
Around wheel side, affixed side card is fixed by screws in the following, affixed side card is fitted in punch-pin fragment two in punch-pin fragment two sides
Side, affixed side card convex mould fragment are laminated with forming core wheel peripheral side by screw and are connected as one.
7. a kind of manufacturing method of the composite absorption core of middle layer with groove according to claim 6, it is characterised in that
The punch-pin fragment is tile type, can be by the punch-pin width above installation and adjustment punch-pin fragment, to adjust by party's legal system
The different in width of the intermediate layer groove for the composite absorption core made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443955.7A CN110141427A (en) | 2019-05-27 | 2019-05-27 | A kind of the composite absorption core and its manufacturing method of middle layer with groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443955.7A CN110141427A (en) | 2019-05-27 | 2019-05-27 | A kind of the composite absorption core and its manufacturing method of middle layer with groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110141427A true CN110141427A (en) | 2019-08-20 |
Family
ID=67593268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910443955.7A Withdrawn CN110141427A (en) | 2019-05-27 | 2019-05-27 | A kind of the composite absorption core and its manufacturing method of middle layer with groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110141427A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547909A (en) * | 2019-09-25 | 2019-12-10 | 雀氏（福建）实业发展有限公司 | Preparation method of improved composite core |
| CN111603316A (en) * | 2020-05-25 | 2020-09-01 | 福建恒安集团有限公司 | Absorption core and forming process thereof |
| CN112957181A (en) * | 2020-12-14 | 2021-06-15 | 福建兰斯贝儿卫生用品有限公司 | Disposable absorption product capable of conducting infiltration rapidly |
| CN112972118A (en) * | 2020-12-14 | 2021-06-18 | 福建兰斯贝儿卫生用品有限公司 | Preparation method of composite absorption core body capable of conducting infiltration rapidly |
-
2019
- 2019-05-27 CN CN201910443955.7A patent/CN110141427A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547909A (en) * | 2019-09-25 | 2019-12-10 | 雀氏（福建）实业发展有限公司 | Preparation method of improved composite core |
| CN110547909B (en) * | 2019-09-25 | 2022-02-11 | 雀氏（福建）实业发展有限公司 | Preparation method of improved composite core |
| CN111603316A (en) * | 2020-05-25 | 2020-09-01 | 福建恒安集团有限公司 | Absorption core and forming process thereof |
| CN112957181A (en) * | 2020-12-14 | 2021-06-15 | 福建兰斯贝儿卫生用品有限公司 | Disposable absorption product capable of conducting infiltration rapidly |
| CN112972118A (en) * | 2020-12-14 | 2021-06-18 | 福建兰斯贝儿卫生用品有限公司 | Preparation method of composite absorption core body capable of conducting infiltration rapidly |
| CN112972118B (en) * | 2020-12-14 | 2023-07-25 | 福建兰斯贝儿卫生用品有限公司 | Preparation method of composite absorption core body capable of conducting infiltration rapidly |
| CN112957181B (en) * | 2020-12-14 | 2023-07-25 | 福建兰斯贝儿卫生用品有限公司 | Disposable absorbent product capable of conducting downward seepage rapidly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110141427A (en) | A kind of the composite absorption core and its manufacturing method of middle layer with groove | |
| CN105919733B (en) | A kind of absorptive core and its manufacturing method having high-efficiency diversion and gas permeability | |
| CN206007482U (en) | A kind of absorptive core for possessing high-efficiency diversion and breathability | |
| CN103948470B (en) | Absorbent article absorptive core and forming cladding device thereof | |
| CN216676123U (en) | Cotton core forming device of 3D | |
| CN103462749B (en) | Cotton core used in adult diaper and manufacturing method of cotton core | |
| CN106420173A (en) | Novel composite core material for paper diapers and preparation method of novel composite core material | |
| CN107510550A (en) | One kind water suction compound core body and its manufacturing process | |
| US20190314221A1 (en) | Pulpless absorbent core and method of core forming | |
| CN104665994A (en) | Pressing technology for nursing mat | |
| CN208492517U (en) | A kind of fast infiltration aspiration article | |
| CN115517861B (en) | Quick-drying absorbent core | |
| CN111379188B (en) | Papermaking and composite processing technology and equipment for composite liquid absorption material | |
| CN107385677B (en) | Four layers of composite water absorbing hygienic material and production method | |
| CN104546299A (en) | Forming equipment producing anti-breakage paper diapers | |
| CN211326180U (en) | Core body for hygienic product | |
| CN209996616U (en) | novel absorption core body | |
| CN219423157U (en) | Quick-drying absorbent core | |
| CN206465546U (en) | A kind of anti-anti-channeling formula hot-wind nonwoven cloth of fast guiding | |
| CN204608498U (en) | A kind of paper pulp crushing device producing sanitary napkin | |
| CN204600898U (en) | A kind of former producing anti-fracture diaper | |
| CN211326181U (en) | Core body for hygienic product | |
| CN108433882A (en) | A kind of quick diffusion absorption prevents the production method and paper diaper product of leakage of urine absorbent article | |
| CN114053035B (en) | 3D cotton core manufacturing process | |
| CN210330916U (en) | Composite core and manufacturing device thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190820 |