CN107928882A - A kind of production method of compound core body paper diaper - Google Patents
A kind of production method of compound core body paper diaper Download PDFInfo
- Publication number
- CN107928882A CN107928882A CN201711477230.7A CN201711477230A CN107928882A CN 107928882 A CN107928882 A CN 107928882A CN 201711477230 A CN201711477230 A CN 201711477230A CN 107928882 A CN107928882 A CN 107928882A
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- China
- Prior art keywords
- absorbent cores
- woven fabrics
- absorbent
- shaping groove
- cores
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
-
- 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
- A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The present invention relates to hygiene article sector, a kind of production method of compound core body paper diaper is provided, solve the problems, such as the paper diaper of the prior art since defect present on production method causes absorbent cores that fracture, conglomeration easily occurs, forming step including absorbent cores, the forming step of the absorbent cores include：1. non-woven fabrics 5a is passed through into unreeling structure uncoiling and horizontal feed；2. absorbent cores 1, absorbent cores 3 and absorbent cores 5 interval of forming are laid in the top of non-woven fabrics 5a；3. step 2. on absorbent cores 1, absorbent cores 3 and 5 upper surface of absorbent cores layer of non-woven fabric 5c is set；4. setting the absorbent cores 2 and absorbent cores 4 of forming in non-woven fabrics 5c upper surfaces, the absorbent cores 2 are between absorbent cores 1 and absorbent cores 3；5. step 4. in absorbent cores 2 and the upper surfaces of absorbent cores 4 layer of non-woven fabric 5b is set.
Description
Technical field
The present invention relates to hygiene article sector, more particularly to a kind of production method of compound core body paper diaper.
Background technology
Traditional disposable adsorption object mainly include from top to bottom successively lamination set liquid permeability surface layer, absorber and
Opaque liquid bottom, the absorber are used to absorb and keep body discharges liquid, and liquid permeability surface layer is used to provide when contacting with body
Comfortable and dry and comfortable sensation, while allow liquid to pass freely through, into the absorber of lower floor, opaque liquid bottom is used to absorb
Liquid is maintained in absorber, so as to prevent absorbed liquid from making the trousers of wearer dirty.
Correspondingly, traditional absorbent commodity its preparation method includes the preparation of core, core is typically by sap (superabsorbent
Water-base resin) and Time of Fluff Slurry mix, by negative-pressure adsorption to mould wheel die cavity, the metal mesh in mould wheel die cavity is typically all
Horizontally disposed, it is smooth integral that the core prepared is corresponding, and product is relatively common, and rate of liquid aspiration is slow, is easily broken off.
In order to improve rate of liquid aspiration, absorbent cores are often arranged to plural bar, specific reference chart 1, existing absorber,
Including upper substrate layer 5b ', absorbent cores and the lower substrate layer 5a ' that from top to bottom lamination is set successively, the absorbent cores are by plural bar
The core composition that spacing parallel arranging is set, it is usually preferred to, core number is 5, respectively absorbent cores 1 ', 2 ', 3 ', 4 ', 5 ', position
It is compound by glue spraying in substrate layer 5b ' in interval and lower substrate layer 5a ', or by ultrasonic compressing, by the way that absorbent cores are set
It is set to the core set by plural bar spacing parallel arranging to form, discharged liquid is absorbed faster by body, but in compound or pressing
Place's absorbent cores easily expand after absorbing water, make core 21 ' that conglomeration, fracture occur, and use is uncomfortable.
The content of the invention
Therefore, a kind of production method of compound core body paper diaper is provided for above content, the present invention, solves the prior art
Paper diaper due to defect present on production method cause absorbent cores easily occur fracture, conglomeration the problem of.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：A kind of life of compound core body paper diaper
Production method, includes the forming step of absorbent cores, and the forming step of the absorbent cores includes：1. non-woven fabrics 5a is passed through into unreeling structure
Uncoiling and horizontal feed；2. the absorbent cores 1, absorbent cores 3 and absorbent cores 5 of forming are spaced successively and are laid in the upper of non-woven fabrics 5a
Side；3. step 2. on absorbent cores 1, absorbent cores 3 and 5 upper surface of absorbent cores layer of non-woven fabric or toilet paper 5c are set；4.
Step non-woven fabrics 3. or toilet paper 5c upper surfaces set the absorbent cores 2 and absorbent cores 4 of forming, and the absorbent cores 2 are positioned at inhaling
Receive between core 1 and absorbent cores 3, the absorbent cores 4 are positioned at absorbent cores 3 and absorbent cores 5 between and absorbent cores 1, absorbent cores 2, absorption
Core 3, absorbent cores 4 and absorbent cores 5 are not overlapping in the projected area of longitudinal direction；5. step 4. in absorbent cores 2 and absorb
The upper surface of core 4 sets layer of non-woven fabric 5b；6. make that non-woven fabrics 5a and non-woven fabrics 5b's is same by hot pressing or heat bonding processing
Side free end connects；
The preparation section of the absorbent cores 1, absorbent cores 3 and absorbent cores 5 is：Time of Fluff Slurry is ground into the fiber less than 6mm
Mixed afterwards with super water absorbent resin, then pass through each shaping groove 6 of the negative-pressure adsorption on the circumference side of assembly drum 11, shaping
In groove 7, shaping groove 8, the shaping groove 6, shaping groove 7, shaping groove 8 are longitudinally spaced along the circumference side of assembly drum
And column distribution, each shaping groove is strip, then again demoulds the absorbent cores on assembly drum on non-woven fabrics 5a.
The preparation section of the absorbent cores 2 and absorbent cores 4 is：Time of Fluff Slurry is ground into after the fiber less than 6mm and superabsorbent
Water-base resin mixes, then each shaping groove 9 and shaping groove 10 by negative-pressure adsorption on the circumference side of assembly drum 12
In, the circumference side of shaping groove 9 and shaping groove 10 along the assembly drum is longitudinally spaced and column distribution, each shaping groove
9 and shaping groove 10 be strip, then again by assembly drum absorbent cores demould on non-woven fabrics or toilet paper 5c.
A further improvement is that：Absorbent cores 1, absorbent cores 3 and the absorbent cores 5 of the step 2. and the absorbent cores 2 of step 4.
Exchanged with the position of absorbent cores 4.
A further improvement is that：By the absorbent cores (52) of forming and absorbent cores (54) and shaping in being additionally included in step 2.
Good absorbent cores (1), absorbent cores (3) and absorbent cores (5) interval is laid in the top of non-woven fabrics (5a)；Further include forming
Absorbent cores (51) and absorbent cores (53) and absorbent cores (2) and absorbent cores (4) are set along in the upper of non-woven fabrics or toilet paper (5c)
Surface, the absorbent cores (51) are arranged between absorbent cores (5) and absorbent cores (52), and the absorbent cores (52) are arranged on absorbent cores
(51) between absorbent cores (53), the absorbent cores (53) are arranged between absorbent cores (52) and absorbent cores (54), and the suction
Core (5), absorbent cores (51), absorbent cores (52), absorbent cores (53), absorbent cores (54) are received not weigh in the projected area of longitudinal direction
It is folded.
By using preceding solution, the beneficial effects of the invention are as follows：Paper made from production method using the present invention
Urine pants, have compound core body, compound core body is by upper strata absorbent cores 2 and absorbent cores 4 and lower floor's absorbent cores 1, absorbent cores 3, absorbent cores 5
It is combined, and projected area of each absorbent cores in longitudinal direction be not overlapping, is set between absorbent cores 1,3,5 and absorbent cores 2,4
There are non-woven fabrics or toilet paper 5c, after being handled by hot-pressing roller, conglomeration fracture is less likely to occur after absorbing excreta for compound core body
Phenomenon, use are more comfortable.
Brief description of the drawings
Fig. 1 is the structure diagram of background of invention；
Fig. 2 is the structure diagram of one compound core body of the embodiment of the present invention；
Fig. 3 is the work flow schematic diagram of the embodiment of the present invention one；
Fig. 4 is the circumference side expanded schematic diagram of one assembly drum 11 of the embodiment of the present invention；
Fig. 5 is the circumference side expanded schematic diagram of one assembly drum 12 of the embodiment of the present invention.
Fig. 6 is the work flow schematic diagram of the embodiment of the present invention two；
Fig. 7 is the work flow schematic diagram of the embodiment of the present invention three.
Embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to specific embodiment, how skill is applied to the present invention whereby
Art means solve technical problem, and that reaches technique effect realizes that process can fully understand and implement according to this.
Unless otherwise specified, the conventional hand that the technological means employed in embodiment is well known to those skilled in the art
Section, used reagent and product are also available commercial.The source of agents useful for same, trade name and it is necessary to list it
Constituent person, indicates on the first appearance.
Embodiment one
Referring to figs. 2 to Fig. 5, a kind of production method of compound core body paper diaper, includes the forming steps of absorbent cores, the suction
Receiving the forming step of core includes：1. non-woven fabrics 5a is passed through into unreeling structure uncoiling and horizontal feed；2. by the absorbent cores of forming
1st, absorbent cores 3 and absorbent cores 5 are spaced the top for being laid in non-woven fabrics 5a successively；3. step 2. on absorbent cores 1, absorbent cores 3
And 5 upper surface of absorbent cores sets layer of non-woven fabric 5c；4. the absorbent cores 2 of forming are set in the non-woven fabrics 5c upper surfaces of step 3.
With absorbent cores 4, for the absorbent cores 2 between absorbent cores 1 and absorbent cores 3, the absorbent cores 4 are located at absorbent cores 3 and absorbent cores 5
Between and absorbent cores 1, absorbent cores 2, absorbent cores 3, absorbent cores 4 and absorbent cores 5 it is not overlapping in the projected area of longitudinal direction；⑤
Step 4. in absorbent cores 2 and the upper surfaces of absorbent cores 4 layer of non-woven fabric 5b is set；6. handled by hot pressing or heat bonding
Non-woven fabrics 5a is set to be connected with the homonymy free end of non-woven fabrics 5b；
The preparation section of the absorbent cores 1, absorbent cores 3 and absorbent cores 5 is：Time of Fluff Slurry is ground into the fiber less than 6mm
Mixed afterwards with super water absorbent resin, then pass through each shaping groove 6 of the negative-pressure adsorption on the circumference side of assembly drum 11, shaping
In groove 7, shaping groove 8, the shaping groove 6, shaping groove 7, shaping groove 8 are longitudinally spaced along the circumference side of assembly drum
And column distribution, each shaping groove is strip, then again demoulds the absorbent cores on assembly drum on non-woven fabrics 5a.
The preparation section of the absorbent cores 2 and absorbent cores 4 is：Time of Fluff Slurry is ground into after the fiber less than 6mm and superabsorbent
Water-base resin mixes, then each shaping groove 9 and shaping groove 10 by negative-pressure adsorption on the circumference side of assembly drum 12
In, the circumference side of shaping groove 9 and shaping groove 10 along the assembly drum is longitudinally spaced and column distribution, each shaping groove
9 and shaping groove 10 be strip, then again by assembly drum absorbent cores demould on non-woven fabrics or toilet paper 5c.
By the absorbent cores of above-mentioned forming again with counterdie, bottom non-woven fabrics, frontal waist plaster, leg elastic, Velcro, surface layer,
The processing for composite such as elastic waistline, leakproof water repellent nonwovens, three-dimensional elastic, that is, obtain the compound core body paper diaper of the present invention.
Embodiment two
Reference implementation example one and Fig. 6, absorbent cores 1, absorbent cores 3 and the absorbent cores 5 of the step 2. and the absorption of step 4.
The position of core 2 and absorbent cores 4 is exchanged.Other steps are consistent with embodiment one.
Embodiment three
With reference to figure 7 and embodiment one, a kind of production method of compound core body paper diaper, includes the forming steps of absorbent cores,
The forming step of the absorbent cores includes：1. non-woven fabrics 5a is passed through into unreeling structure uncoiling and horizontal feed；2. by forming
Absorbent cores 1, absorbent cores 3, absorbent cores 5, absorbent cores 52 and absorbent cores 54 are spaced the top for being laid in non-woven fabrics 5a successively；3. in step
Suddenly 2. on absorbent cores 1, absorbent cores 3, absorbent cores 5, absorbent cores 52 and 54 upper surface of absorbent cores layer of non-woven fabric 5c is set；4.
The non-woven fabrics 5c upper surfaces of step 3. set absorbent cores 2, absorbent cores 4, absorbent cores 51 and the absorbent cores 53 of forming, the absorption
Core 2 between absorbent cores 1 and absorbent cores 3, the absorbent cores 4 between absorbent cores 3 and absorbent cores 5, the absorbent cores 51
It is arranged between absorbent cores 5 and absorbent cores 52, the absorbent cores 52 are arranged between absorbent cores 51 and absorbent cores 53, the absorption
Core 53 is arranged between absorbent cores 52 and absorbent cores 54 and absorbent cores 1, absorbent cores 2, absorbent cores 3, absorbent cores 4, absorbent cores 5, suction
It is not overlapping in the projected area of longitudinal direction to receive core 51, absorbent cores 52, absorbent cores 53 and absorbent cores 54；5. step 4. in
Absorbent cores 2, absorbent cores 4, the upper surface of absorbent cores 51 and absorbent cores 53 set layer of non-woven fabric 5b；6. pass through hot pressing or hot sticky
Conjunction processing makes non-woven fabrics 5a be connected with the homonymy free end of non-woven fabrics 5b；
Assembly drum 11 used by the present embodiment, the groove set by its circumference side are more to set compared with embodiment one
Put in the transversely arranged groove of longitudinally below two of groove 8, assembly drum 12 is more to be arranged on groove 10 compared with embodiment one
The transversely arranged groove of longitudinally below two.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (3)
- A kind of 1. production method of compound core body paper diaper, it is characterised in that：Forming step including absorbent cores, the absorbent cores Forming step include：1. non-woven fabrics (5a) is passed through into unreeling structure uncoiling and horizontal feed；2. by the absorbent cores of forming (1), absorbent cores (3) and absorbent cores (5) are spaced the top for being laid in non-woven fabrics (5a) successively；3. step 2. on absorbent cores (1), absorbent cores (3) and absorbent cores (5) upper surface set layer of non-woven fabric or toilet paper (5c)；4. in step non-woven fabrics 3. or Toilet paper (5c) upper surface set forming absorbent cores (2) and absorbent cores (4), the absorbent cores (2) be located at absorbent cores (1) and Between absorbent cores (3), the absorbent cores (4) are located between absorbent cores (3) and absorbent cores (5) and absorbent cores (1), absorbent cores (2), Absorbent cores (3), absorbent cores (4) and absorbent cores (5) are not overlapping in the projected area of longitudinal direction；5. step 4. in absorption The upper surface of core (2) and absorbent cores (4) sets layer of non-woven fabric (5b)；6. non-woven fabrics is made by hot pressing or heat bonding processing (5a) is connected with the homonymy free end of non-woven fabrics (5b)；The preparation section of the absorbent cores (1), absorbent cores (3) and absorbent cores (5) is：Time of Fluff Slurry is ground into the fibre less than 6mm Mixed after dimension with super water absorbent resin, then each shaping groove by negative-pressure adsorption on the circumference side of assembly drum (11) (6), in shaping groove (7), shaping groove (8), the shaping groove (6), shaping groove (7), shaping groove (8) are along assembly drum Circumference side is longitudinally spaced and column distribution, each shaping groove is strip, then again by the absorbent cores on assembly drum The demoulding is on non-woven fabrics (5a).The preparation section of the absorbent cores (2) and absorbent cores (4) is：Time of Fluff Slurry is ground into after the fiber less than 6mm and superabsorbent Water-base resin mixes, then recessed by each shaping groove (9) of the negative-pressure adsorption on the circumference side of assembly drum (12) and shaping In groove (10), the circumference side of the shaping groove (9) and shaping groove (10) along assembly drum is longitudinally spaced and column distribution, each institute It is strip to state shaping groove (9) and shaping groove (10), then again by the absorbent cores demoulding on assembly drum in non-woven fabrics or On toilet paper (5c).
- A kind of 2. production method of compound core body paper diaper according to claim 1, it is characterised in that：The step is 2. The position of absorbent cores (1), absorbent cores (3) and absorbent cores (5) and step absorbent cores (2) 4. and absorbent cores (4) is exchanged.
- A kind of 3. production method of compound core body paper diaper according to claim 1, it is characterised in that：It is additionally included in step By the absorbent cores (52) of forming and absorbent cores (54) and absorbent cores (1), absorbent cores (3) and the absorbent cores (5) of forming in 2. Interval is laid in the top of non-woven fabrics (5a)；Further include the absorbent cores (51) of forming and absorbent cores (53) and absorbent cores (2) The upper surface in non-woven fabrics or toilet paper (5c) is set along with absorbent cores (4), the absorbent cores (51) are arranged on absorbent cores (5) Between absorbent cores (52), the absorbent cores (52) are arranged between absorbent cores (51) and absorbent cores (53), the absorbent cores (53) it is arranged between absorbent cores (52) and absorbent cores (54), and the absorbent cores (5), absorbent cores (51), absorbent cores (52), suction It is not overlapping in the projected area of longitudinal direction to receive core (53), absorbent cores (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477230.7A CN107928882B (en) | 2017-12-29 | 2017-12-29 | Production method of composite core paper diaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477230.7A CN107928882B (en) | 2017-12-29 | 2017-12-29 | Production method of composite core paper diaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107928882A true CN107928882A (en) | 2018-04-20 |
| CN107928882B CN107928882B (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477230.7A Active CN107928882B (en) | 2017-12-29 | 2017-12-29 | Production method of composite core paper diaper |
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| Country | Link |
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| CN (1) | CN107928882B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680620A (en) * | 2019-11-05 | 2020-01-14 | 湖州唯可新材料科技有限公司 | 3D composite core body for hygienic product |
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| CN101612083A (en) * | 2009-07-21 | 2009-12-30 | 雀氏（中国）日用品有限公司 | A kind of ultrathin absorption object |
| CN102933185A (en) * | 2010-06-10 | 2013-02-13 | 花王株式会社 | Process for production of absorber |
| CN203122784U (en) * | 2013-02-21 | 2013-08-14 | 雀氏（福建）实业发展有限公司 | Thin and light absorbing article |
| CN204766192U (en) * | 2015-05-22 | 2015-11-18 | 瑞光（上海）电气设备有限公司 | Absorb core former |
| CN106137557A (en) * | 2016-08-22 | 2016-11-23 | 重庆百亚卫生用品股份有限公司 | Absorbent commodity core body and processing technology thereof |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0937445A2 (en) * | 1993-12-28 | 1999-08-25 | Kao Corporation | Crosslinked cellulose fibers, absorbent papers and absorbent members using the same, topsheets using the same, and absorbent articles using the same |
| CN101612083A (en) * | 2009-07-21 | 2009-12-30 | 雀氏（中国）日用品有限公司 | A kind of ultrathin absorption object |
| CN102933185A (en) * | 2010-06-10 | 2013-02-13 | 花王株式会社 | Process for production of absorber |
| CN203122784U (en) * | 2013-02-21 | 2013-08-14 | 雀氏（福建）实业发展有限公司 | Thin and light absorbing article |
| CN204766192U (en) * | 2015-05-22 | 2015-11-18 | 瑞光（上海）电气设备有限公司 | Absorb core former |
| CN106137557A (en) * | 2016-08-22 | 2016-11-23 | 重庆百亚卫生用品股份有限公司 | Absorbent commodity core body and processing technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680620A (en) * | 2019-11-05 | 2020-01-14 | 湖州唯可新材料科技有限公司 | 3D composite core body for hygienic product |
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| CN107928882B (en) | 2020-12-18 |
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