CN112076023B - Preparation process of leakage-proof separation edge of absorption article - Google Patents
Preparation process of leakage-proof separation edge of absorption article Download PDFInfo
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- CN112076023B CN112076023B CN202010994597.1A CN202010994597A CN112076023B CN 112076023 B CN112076023 B CN 112076023B CN 202010994597 A CN202010994597 A CN 202010994597A CN 112076023 B CN112076023 B CN 112076023B
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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
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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
- A61F13/45—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 shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
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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
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
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- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the field of disposable absorbing articles, in particular to a preparation process of a leakage-proof separating edge of an absorbing article, which mainly solves the problems of poor comfort and poor leakage-proof effect of the leakage-proof separating edge in the prior art and comprises the following steps: 1) unwinding the water-repellent non-woven fabric; 2) unwinding an elastic shrinkage material, spraying glue to the elastic shrinkage material at intervals through a spray gun, and compounding the elastic shrinkage material on the water-repellent non-woven fabric; 3) continuously spraying glue on the left area of the front surface of the water-repellent non-woven fabric and the position close to the elastic shrinkage material along the longitudinal direction through a spray gun; 4) turning the left area of the water-repellent non-woven fabric downwards along the boundary of the left area and the second glue applying area; 5) and spraying glue to the region which is not covered with the second glue applying region on the reverse side of the left region of the water-repellent non-woven fabric through a spray gun, and then downwards folding the right region of the water-repellent non-woven fabric along the boundary between the right region and the second glue applying region.
Description
Technical Field
The invention relates to the field of disposable absorbing articles, in particular to a preparation process of a leakage-proof separating edge of an absorbing article.
Background
Disposable absorbent articles, such as feminine sanitary napkins, adult incontinence diapers, disposable diapers, training diapers, and the like, are well known. The primary function of such disposable absorbent articles is to absorb and contain bodily waste, and such articles are also used to prevent the bodily waste from soiling, wetting, or otherwise contaminating the clothing or other articles that come into contact with the wearer.
In order to prevent leakage of bodily waste from both lateral sides of the disposable absorbent article, leakage barriers are generally provided on both lateral sides of the absorbent article. At present, referring to fig. 1, most of the leakproof isolation boundaries of the paper diaper are adhered to the middle part of the width direction of a water-repellent non-woven fabric 2 'by spraying glue on an elastic shrinkage material 1', then the elastic shrinkage material 1 'is wrapped by folding and adhering one side of the water-repellent non-woven fabric 2' compounded with the elastic shrinkage material 1 ', two edges of the folded water-repellent non-woven fabric which are positioned on the same side are respectively adhered and connected with a liquid-impermeable bottom layer 3' and a liquid-permeable surface layer 4 ', and the other edge containing a folding line forms a free edge 5', because the elastic shrinkage material 1 'is positioned on the free edge 5', the elastic shrinkage material 1 'shrinks to drive the water-repellent non-woven fabric 2' to gather and shrink towards the middle part when being worn, so that the elastic shrinkage material is attached to the skin of a human body; as the leakage-proof separation edge of the prior sanitary towel, the Chinese patent application number: 01120720.5, which discloses the structure of the leakage-proof side wall (i.e. the leakage-proof partition) in detail, the elastic expansion material is made of spandex filament with the fineness of several hundred denier or elastic rubber band. Aforementioned leak protection separates limit, owing to spout gluey cladding elastic shrinkage material through water repellent non-woven fabrics, and elastic shrinkage material distributes on free limit, make the hardness that forms the free limit on leak protection separates the limit great relatively, and elastic shrinkage material is directly attached on skin at shrink in-process, make the aggravation along with the user removes when using, arouse user's discomfort, and simultaneously, the leak protection of this kind of structure separates the limit in order to make the fine attached skin on free limit on leak protection separates the limit, its elastic shrinkage material's contractility is better, make the aggravation along with the user removes when using, the free limit on leak protection separates the limit can inwards move, thereby it is poor to cause the leak protection effect.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a preparation process of a leakage-proof partition edge of an absorption article, which mainly solves the problems of poor comfort and poor leakage-proof effect of the leakage-proof partition edge in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation process of a leakage-proof partition edge of an absorption article comprises the following steps:
1) unreeling the processed rolled water-repellent non-woven fabric, defining that the water-repellent non-woven fabric extends to a longitudinal direction along the unreeling and conveying direction of the water-repellent non-woven fabric, and extends to a transverse direction along the width direction of the water-repellent non-woven fabric;
2) unreeling a processed roll-shaped elastic shrinkage material, spraying glue to the elastic shrinkage material at intervals through a spray gun, and compounding the elastic shrinkage material on a water-repellent non-woven fabric, wherein a compounding area is positioned in the transverse middle of the water-repellent non-woven fabric, the area compounded through spraying the glue is a first glue applying area, the distance between the upper ends of two adjacent first glue applying areas in the longitudinal direction is the length size of a single leakage-proof partition edge, one surface of the water-repellent non-woven fabric compounded with the elastic shrinkage material is defined as a front surface, the other surface opposite to the front surface is a back surface, one transverse side of the water-repellent non-woven fabric positioned with the elastic shrinkage material is defined as a left side area, and the other transverse side of the water-repellent non-woven fabric positioned with the elastic shrinkage material is defined as a right side area;
3) continuously spraying glue on the left side area of the front surface of the water-repellent non-woven fabric and the position close to the elastic shrinkage material along the longitudinal direction through a spray gun, wherein the glue spraying area is a second glue applying area, the transverse width dimension of the second glue applying area is 2-15 mm, and then turning the water-repellent non-woven fabric upwards along the boundary of the elastic shrinkage material and the right side area, wherein the turning line is a first turning line, so that the left side area and the right side area of the water-repellent non-woven fabric are in composite connection at the second glue applying area;
4) the left side area of the water-repellent non-woven fabric is folded downwards along the boundary of the left side area and the second glue applying area, so that the back surface of the second glue applying area is attached to the back surface of the left side area, the folding line is a second folding line, and the second folding line is attached to the front surface of the right side area;
5) spraying glue to an area, which is not covered by the second glue applying area, on the reverse side of the left side area of the water-repellent non-woven fabric through a spray gun, wherein the glue spraying area is a third glue applying area, and then the right side area of the water-repellent non-woven fabric is downwards folded along the boundary of the right side area and the second glue applying area, and the folding line is a third folding line, so that the reverse side of the left side area and the reverse side of the right side area of the water-repellent non-woven fabric are in composite connection at the third glue applying area;
6) and (5) cutting the product in the step (5) along the transverse middle part of the first glue application area to form a single leakage-proof separation edge.
Further, the transverse width dimension of the second glue application area is 6 mm.
Further, between the step 3) and the step 4), 1 to 3 rows of welding points which are longitudinally distributed can be formed between the water-repellent non-woven fabric and the region which is positioned between the second glue applying region and the first folding line and between the two adjacent elastic shrinkage materials through ultrasonic welding or hot pressing.
By adopting the technical scheme, the invention has the beneficial effects that: the preparation process of the leakproof isolation plate for the absorption article improves the leakproof isolation edge through the process, compared with the prior leakproof isolation edge, the elastic shrinkage material is wrapped by the water-repellent non-woven fabric in a double mode, the outer layer is wrapped by the non-glue layer, and the elastic shrinkage material is not sprayed with glue for compounding, so that the shrinkage effect of the elastic shrinkage material is good, the shrinkage of the water-repellent non-woven fabric is driven to be in a swelling state, the free edge of the leakproof isolation edge can be well attached to the skin in the overweight practical use, the size of the area wrapped by the elastic shrinkage material and the size of the second glue applying area are larger than that of the prior leakproof isolation edge, the area can be attached to the skin when the elastic shrinkage material shrinks, the leakproof effect of the leakproof isolation edge is improved, meanwhile, the glue applying area is not in direct contact with the skin, the leakproof isolation edge in the swelling state is in contact with the skin, and the flexibility of the leakproof isolation edge is improved, the preparation process can be slightly improved on the existing production line so as to be put into production, reduce the input cost and simultaneously improve the comfort and the leakage resistance of the leakage-proof separation edge; furthermore, be located the second zone of glue application and the first fold line between the non-woven fabrics of refusing water between the area, and be located adjacent two form along longitudinal distribution's 1 to 3 rows of welding points through ultrasonic bonding or hot pressing between the elastic shrinkage material to restriction elastic shrinkage material's dislocation removes, make elastic shrinkage material can be better along its horizontal shrink, shrink effectually, further promote the adhesion nature of leak protection separation limit and skin, improve travelling comfort and leak protection nature greatly.
Drawings
FIG. 1 is a schematic cross-sectional view of a leakproof isolation boundary in the prior art;
fig. 2 is a schematic perspective flow structure according to a first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional flow structure diagram according to a first embodiment of the present invention;
FIG. 4 is a schematic perspective view of a second embodiment of the present invention;
fig. 5 is a schematic cross-sectional flow structure diagram according to a second embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
the first embodiment is as follows:
referring to fig. 2 and 3, a process for preparing a leakproof isolation margin of an absorbent article comprises the following steps:
1) unreeling the processed rolled water-repellent non-woven fabric 1, defining that the unreeling conveying direction of the water-repellent non-woven fabric 1 extends to a longitudinal direction Y and the width direction of the water-repellent non-woven fabric extends to a transverse direction X;
2) unreeling two processed roll-shaped rubber bands 2 to form side-by-side conveying, wherein the stretching ratio of the rubber bands 2 is 1.5 times, spraying glue to the rubber bands 2 at intervals through a spray gun, compounding the rubber bands 2 on the water-repellent non-woven fabric 1, a compounding area a is positioned in the transverse middle of the water-repellent non-woven fabric 1, a glue spraying compounding area is a first glue applying area b, the distance between the upper end edges of two adjacent first glue applying areas b in the longitudinal direction Y is the length size of a single leakage-proof partition edge, one surface, which is compounded with the rubber bands 2, of the water-repellent non-woven fabric 1 is defined as a front surface e, the other surface, which is opposite to the front surface, of the water-repellent non-woven fabric 1, which is positioned on the transverse side of the rubber bands 2, is a left side area 11, and the other transverse side of the rubber bands 2 is a right side area 12;
3) continuously spraying glue on the left side area 11 of the front face e of the water-repellent non-woven fabric 1 and the position close to the rubber band 2 along the longitudinal direction through a spray gun, wherein the glue spraying area is a second glue applying area c, the transverse width dimension of the second glue applying area c is 2-15 mm, preferably 6mm, and then turning the water-repellent non-woven fabric 1 upwards along the boundary of the rubber band 2 and the right side area 12, wherein the turning line is a first turning line g, so that the left side area 11 and the right side area 12 of the water-repellent non-woven fabric 1 are in composite connection at the second glue applying area c;
4) the left side area 11 of the water-repellent non-woven fabric 1 is folded downwards along the boundary between the left side area 11 and the second glue applying area c, so that the back surface f of the second glue applying area c is attached to the back surface f of the left side area 11, the folding line is a second folding line h, and the second folding line h is attached to the front surface e of the right side area 12;
5) spraying glue on an area, which is not covered by the second glue applying area c, on the reverse side f of the left area 11 of the water-repellent non-woven fabric 1 through a spray gun, wherein the glue spraying area is a third glue applying area d, and then turning over the right area 12 of the water-repellent non-woven fabric 1 downwards along the boundary of the right area 12 and the second glue applying area c, wherein the turning line is a third turning line i, so that the reverse side f of the left area 11 of the water-repellent non-woven fabric 1 is in composite connection with the reverse side f of the right area 12 in the third glue applying area d;
6) and (3) cutting the product in the step (5) along the transverse middle part of the first glue application area b to form a single leakage-proof separation edge.
Example two:
referring to fig. 4 and 5, a process for preparing a leakproof isolation margin of an absorbent article comprises the following steps:
1) unreeling the processed rolled water-repellent non-woven fabric 1, defining that the unreeling conveying direction of the water-repellent non-woven fabric 1 extends to a longitudinal direction Y and the width direction of the water-repellent non-woven fabric extends to a transverse direction X;
2) unreeling two processed roll-shaped rubber bands 2 to form side-by-side conveying, wherein the stretching ratio of the rubber bands 2 is 1.5 times, spraying glue to the rubber bands 2 at intervals through a spray gun, compounding the rubber bands 2 on the water-repellent non-woven fabric 1, a compounding area a is positioned in the transverse middle of the water-repellent non-woven fabric 1, a glue spraying compounding area is a first glue applying area b, the distance between the upper end edges of two adjacent first glue applying areas b in the longitudinal direction Y is the length size of a single leakage-proof partition edge, one surface, which is compounded with the rubber bands 2, of the water-repellent non-woven fabric 1 is defined as a front surface e, the other surface, which is opposite to the front surface, of the water-repellent non-woven fabric 1, which is positioned on the transverse side of the rubber bands 2, is a left side area 11, and the other transverse side of the rubber bands 2 is a right side area 12;
3) continuously spraying glue on the left side area 11 of the front face e of the water-repellent non-woven fabric 1 and the position close to the rubber band 2 along the longitudinal direction through a spray gun, wherein the glue spraying area is a second glue applying area c, the transverse width dimension of the second glue applying area c is 2-15 mm, preferably 6mm, and then turning the water-repellent non-woven fabric 1 upwards along the boundary of the rubber band 2 and the right side area 12, wherein the turning line is a first turning line g, so that the left side area 11 and the right side area 12 of the water-repellent non-woven fabric 1 are in composite connection at the second glue applying area c;
4) the water-repellent non-woven fabric 1 is positioned in a region between the second glue applying region c and the first folding line g, and 1 row of welding points 8 which are longitudinally distributed are formed between two adjacent rubber bands 2 through ultrasonic welding or hot pressing;
5) the left side area 11 of the water-repellent non-woven fabric 1 is folded downwards along the boundary between the left side area 11 and the second glue applying area c, so that the back surface f of the second glue applying area c is attached to the back surface f of the left side area 11, the folding line is a second folding line h, and the second folding line h is attached to the front surface e of the right side area 12;
6) spraying glue on an area, which is not covered by the second glue applying area c, on the reverse side f of the left area 11 of the water-repellent non-woven fabric 1 through a spray gun, wherein the glue spraying area is a third glue applying area d, and then turning over the right area 12 of the water-repellent non-woven fabric 1 downwards along the boundary of the right area 12 and the second glue applying area c, wherein the turning line is a third turning line i, so that the reverse side f of the left area 11 of the water-repellent non-woven fabric 1 is in composite connection with the reverse side f of the right area 12 in the third glue applying area d;
7) and (3) cutting the product in the step (5) along the transverse middle part of the first glue application area b to form a single leakage-proof separation edge.
Through be located the second zone of glue application c and the first broken line g between refuse water non-woven fabrics 1 region, and be located adjacent two form along longitudinal distribution's 1 row of welding point 8 through ultrasonic bonding or hot pressing between the rubber band 2 to restriction rubber band 2's dislocation removes, make rubber band 2 can be better along its horizontal shrink, shrink effectual, further promote the leak protection and separate the adhesion nature of limit and skin, improve travelling comfort and leak protection nature greatly.
The working mode of the invention is as follows: the preparation process of the leakproof isolation plate for the absorption article improves the leakproof isolation edge through the process, compared with the prior leakproof isolation edge, the rubber string 2 is doubly coated by the water-repellent non-woven fabric 1, the outer layer is not provided with a glue layer, meanwhile, the rubber string 2 is not sprayed with glue for compounding, the contraction of the rubber string 2 is not influenced by the water-repellent non-woven fabric 1, the contraction effect is good, so that the contraction of the water-repellent non-woven fabric 1 is driven to be in a bulk state, in the heavy practical use, the free edge of the leakproof isolation edge can be well attached to the skin, the sizes of the area coated with the rubber string 2 and the second glue applying area c are larger than those of the prior leakproof isolation edge, the area can be attached to the skin when the rubber string 2 is contracted, the leakproof effect of the leakproof isolation edge is improved, meanwhile, the glue applying area is not in direct contact with the skin, the leakproof isolation edge in the bulk state is in contact with the skin, the flexibility is increased, thereby reduce the influence of attaching on skin of great region, improve the travelling comfort of using, thereby this preparation technology can carry out less improvement on current production line and put into production, reduces the input cost, promotes the travelling comfort and the leak protection nature of leak protection separate limit simultaneously.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A process for preparing a leakage-proof separation edge of an absorption article is characterized by comprising the following steps: the method comprises the following steps:
1) unreeling the processed rolled water-repellent non-woven fabric, defining that the water-repellent non-woven fabric extends to a longitudinal direction along the unreeling and conveying direction of the water-repellent non-woven fabric, and extends to a transverse direction along the width direction of the water-repellent non-woven fabric;
2) unreeling a processed roll-shaped elastic shrinkage material, spraying glue to the elastic shrinkage material at intervals through a spray gun, and compounding the elastic shrinkage material on a water-repellent non-woven fabric, wherein a compounding area is positioned in the transverse middle of the water-repellent non-woven fabric, the area compounded through spraying the glue is a first glue applying area, the distance between the upper ends of two adjacent first glue applying areas in the longitudinal direction is the length size of a single leakage-proof partition edge, one surface of the water-repellent non-woven fabric compounded with the elastic shrinkage material is defined as a front surface, the other surface opposite to the front surface is a back surface, one transverse side of the water-repellent non-woven fabric positioned with the elastic shrinkage material is defined as a left side area, and the other transverse side of the water-repellent non-woven fabric positioned with the elastic shrinkage material is defined as a right side area;
3) continuously spraying glue on the left side area of the front surface of the water-repellent non-woven fabric and the position close to the elastic shrinkage material along the longitudinal direction through a spray gun, wherein the glue spraying area is a second glue applying area, the transverse width dimension of the second glue applying area is 2-15 mm, and then turning the water-repellent non-woven fabric upwards along the boundary of the elastic shrinkage material and the right side area, wherein the turning line is a first turning line, so that the left side area and the right side area of the water-repellent non-woven fabric are in composite connection at the second glue applying area;
4) the left side area of the water-repellent non-woven fabric is folded downwards along the boundary of the left side area and the second glue applying area, so that the back surface of the second glue applying area is attached to the back surface of the left side area, the folding line is a second folding line, and the second folding line is attached to the front surface of the right side area;
5) spraying glue to an area, which is not covered by the second glue applying area, on the reverse side of the left side area of the water-repellent non-woven fabric through a spray gun, wherein the glue spraying area is a third glue applying area, and then the right side area of the water-repellent non-woven fabric is downwards folded along the boundary of the right side area and the second glue applying area, and the folding line is a third folding line, so that the reverse side of the left side area and the reverse side of the right side area of the water-repellent non-woven fabric are in composite connection at the third glue applying area;
6) and (5) cutting the product in the step (5) along the transverse middle part of the first glue application area to form a single leakage-proof separation edge.
2. The process for preparing the leakproof isolation margin of the absorbent article as claimed in claim 1, wherein: the second glue application zone has a transverse width dimension of 6 mm.
3. The process for preparing the leakproof isolation margin for the absorbent article as claimed in claim 1 or 2, wherein: between the step 3) and the step 4), 1 to 3 rows of welding points which are distributed along the longitudinal direction can be formed between the water-repellent non-woven fabric and the region which is positioned between the second glue applying region and the first folding line and between the two adjacent elastic shrinkage materials through ultrasonic welding or hot pressing.
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| CN202010994597.1A CN112076023B (en) | 2020-09-21 | 2020-09-21 | Preparation process of leakage-proof separation edge of absorption article |
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| CN202010994597.1A CN112076023B (en) | 2020-09-21 | 2020-09-21 | Preparation process of leakage-proof separation edge of absorption article |
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| CN114432041B (en) * | 2022-02-07 | 2023-05-09 | 黄山富田精工智造股份有限公司 | Paper diaper and production and processing method thereof |
| CN115281939B (en) * | 2022-09-06 | 2023-05-12 | 智邦（天津）卫生用品科技有限公司 | Sanitary towel preparation method |
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