CN115300238A - Ergonomic panties type sanitary towel and preparation method thereof - Google Patents
Ergonomic panties type sanitary towel and preparation method thereof Download PDFInfo
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- CN115300238A CN115300238A CN202210962083.7A CN202210962083A CN115300238A CN 115300238 A CN115300238 A CN 115300238A CN 202210962083 A CN202210962083 A CN 202210962083A CN 115300238 A CN115300238 A CN 115300238A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000006096 absorbing agent Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 210000001981 hip bone Anatomy 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 102
- 239000013013 elastic material Substances 0.000 claims description 74
- 239000000835 fiber Substances 0.000 claims description 31
- 239000002250 absorbent Substances 0.000 claims description 23
- 239000004745 nonwoven fabric Substances 0.000 claims description 18
- 230000002745 absorbent Effects 0.000 claims description 17
- 238000013329 compounding Methods 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229920002334 Spandex Polymers 0.000 claims description 7
- 239000004759 spandex Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims description 3
- 238000009960 carding Methods 0.000 claims description 3
- 239000012792 core layer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 101000911772 Homo sapiens Hsc70-interacting protein Proteins 0.000 claims description 2
- 229920000297 Rayon Polymers 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 210000002414 leg Anatomy 0.000 description 32
- 210000001624 hip Anatomy 0.000 description 3
- 210000001217 buttock Anatomy 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000003821 menstrual periods Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
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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
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
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- 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
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- A61F13/00—Bandages or dressings; Absorbent pads
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- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
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- 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
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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
- A61F13/53—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
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- A—HUMAN NECESSITIES
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- 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
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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
- A61F2013/16—Sanitary towels; Means for supporting or fastening them
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- A—HUMAN NECESSITIES
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- 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
- A61F2013/530007—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 being made from pulp
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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
- A61F13/53—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
- A61F2013/530131—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 being made in fibre but being not pulp
- A61F2013/530138—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 being made in fibre but being not pulp characterized by the fibre length
- A61F2013/530153—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 being made in fibre but being not pulp characterized by the fibre length being long
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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
- A61F13/53—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
- A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
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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
- A61F13/53—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
- A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530708—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
- A61F2013/530715—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Botany (AREA)
- Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the field of sanitary products, and provides a triangle pants type sanitary towel conforming to ergonomics and a preparation method thereof, which solve the problem that the sanitary towel in the prior art is easy to have 'leg clamping' and poor wrapping performance due to structural design defects, and the triangle pants type sanitary towel comprises an absorber and a coat layer arranged outside the absorber, wherein the absorber is defined to have a longitudinal direction along the length direction and a transverse direction along the width direction, the coat layer is divided into a front piece and a rear piece by taking the narrowest line of a crotch as a boundary line, the transverse width of the rear piece is greater than that of the front piece, the transverse two sides of the front piece and the rear piece are fixedly welded to form a left sealing line and a right sealing line, the transverse distance between the left sealing line and the right sealing line and the salient point at the foremost end of a hip bone of a human body is 5-50mm, and the longitudinal length of the rear piece is greater than that of the front piece.
Description
Technical Field
The invention relates to the field of sanitary products, in particular to a pair of briefs type sanitary napkins conforming to ergonomics and a preparation method thereof.
Background
The panties type sanitary napkin for menstrual period generally comprises an absorbent layer and an outer clothing layer, wherein the absorbent layer comprises a liquid-permeable surface layer, an absorbent core and a liquid-impermeable bottom layer which are sequentially laminated from top to bottom. The coat layer comprises an outer coat layer, a spandex elastic material layer and an inner coat layer which are sequentially laminated from outside to inside. The coat layer is divided into a front piece and a rear piece by taking the narrowest part of the coat layer (the narrowest part of the O-shaped ring) as a boundary, and the front piece and the rear piece are provided with corresponding left ends and right ends.
When a human body moves (walks, squats, lifts legs and the like), the legs move forwards and upwards, and basically pull the trousers forwards and upwards, so that in order to adapt to ergonomics, the design of underpants and menstrual briefs follows the principle that the front piece is repaired to the full without clamping legs and the rear piece is wrapped with more elastic force, the front piece is designed to cover the triangular area but not exceed the leg lifting line of the triangular area so as to influence the daily actions of lifting legs and walking, and the rear piece can wrap the buttocks to the hip smile line as much as possible so as to reduce the problems of displacement of an absorption body and leakage after side leakage.
Referring to fig. 1, the widths of the front and rear sheets of the conventional pant-type sanitary napkin are the same, when the front and rear sheets are sealed and worn, the sealing line 1' is located at the rear positions of the left and right ends of the human body, the front sheet is pulled to the rear position to limit the movement of the wearer during movement, which is commonly called as "leg jamming", and the rear sheet cannot be wrapped forward and has insufficient tension, so that the overall wrapping performance is poor.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides an ergonomic panties-type sanitary napkin and a method for manufacturing the same, which solves the problems of the prior art that the sanitary napkin is easy to have "leg-locking" and poor in wrapping performance due to the structural design defect.
In order to achieve the purpose, the invention adopts the following technical scheme: a pair of briefs type sanitary napkins conforming to human engineering comprises an absorber and a coat layer arranged outside the absorber, wherein the absorber is defined to have a longitudinal direction along a length direction and a transverse direction along a width direction, the coat layer is divided into a front piece and a rear piece by taking a narrowest line of a crotch as a boundary, the transverse width of the rear piece is larger than that of the front piece, the transverse sides of the front piece and the rear piece are fixedly welded to form a left sealing line and a right sealing line, the transverse distance between the left sealing line and the right sealing line and a salient point at the foremost end of a hip bone of a human body is 5-50mm, the longitudinal length of the rear piece is larger than that of the front piece, the coat layer is provided with leg surrounding elastic material layers arranged at the left leg surrounding position and the right leg surrounding elastic material layer, and the width of the leg surrounding elastic material layers is not less than 3mm.
Further: the long fiber is added in the absorber and is cotton fiber, fluff pulp fiber, viscose fiber or ES fiber.
Further: when worn, the angle of the back piece wrapping the human body is more than 195 degrees.
Further: the longitudinal dimension of the back panel is greater than the longitudinal dimension of the front panel by more than 10%.
Further: the absorber is formed by mixing fluff pulp, high-molecular water-absorbing resin and long fibers.
Further: the fluff pulp comprises the following components: high molecular water-absorbent resin: long fibers in weight ratio =10:1-3:0.5-2.
and further: the outer layer non-woven fabric is provided with a pattern printing layer.
Further: the leg surrounding elastic material layers are composed of two groups of elastic materials, namely a first group of elastic materials and a second group of elastic materials, the first group of elastic materials extend from the left upper area of the front piece to the left middle area and then extend to the right upper area from the right middle area to the last, and the second group of elastic materials extend from the left lower area of the back piece to the left middle area and then extend to the right lower area from the right middle area to the last; or, the first group of elastic materials extends along the upper left region of the front panel to the middle left region and then extends to the middle right region and finally extends to the lower right region of the back panel, and the second group of elastic materials extends from the upper right region of the front panel to the middle right region and then extends to the middle left region and then extends to the lower left region of the back panel; or, the first group of elastic materials extends along the upper left area of the front panel to the middle left area and then extends to the middle left area of the back panel and finally extends to the lower left area of the back panel, and the second group of elastic materials extends from the upper right area of the front panel to the middle right area and then extends to the middle right area of the back panel and finally extends to the lower right area of the back panel;
the leg surrounding elastic material layer is any one or any combination of more than two of elastic spandex filaments, elastic non-woven fabrics and elastic films;
a method for preparing an ergonomic pantie-type sanitary napkin comprises the following preparation steps: (1) Preparation of outer clothing layer
s1, carrying out online transmission on outer-layer non-woven fabrics, compounding elastic spandex filaments and leg surrounding elastic material layers online, and compounding inner-layer non-woven fabrics to obtain an integrated outer garment layer; the leg surrounding elastic material layer controls the transmission direction through the baffle plate, so that the leg surrounding elastic material layer is distributed between the outer layer non-woven fabric and the inner layer non-woven fabric in a specific shape;
s2, cutting out single coat layer: slitting longitudinally to obtain individual garment layers; the single garment layer has leg encircling O-rings, a narrower front panel and a wider back panel;
(2) Preparation of absorbent body
a. Long fiber finishing: unpacking long fibers by an unpacking machine, coarsely opening by a coarse opener, carding by a fine opener to a single fiber state, and sending the single fiber state to an outlet of a wood pulp crusher by a quantitative fan to mix with fluff pulp and SAP;
b. mixing the fluff pulp, the high polymer water-absorbent resin and the long fiber, and feeding the mixture into a die wheel for molding;
c. attaching a wrapping layer to obtain an absorption core layer;
d. compounding a liquid-permeable surface layer and a liquid-impermeable bottom layer on line to obtain an absorber; cutting to obtain single absorber;
(3) The single absorber is transmitted on line, and after being turned over for 90 degrees, the absorber is transmitted and compounded to the coat layer processed in the step s 2;
(4) The combined coat layer and the absorber layer enter an omega folding and conveying device, so that the parts of the left side and the right side of the back piece wider than the front piece are folded by omega in the conveying process, and the transverse width of the back piece is consistent with that of the front piece after folding; or entering a speed ratio eliminating and conveying device, and eliminating the left and right width inconsistency of the front and rear sheets by setting the conveying speed difference of the front sheet and the rear sheet so as to align the front and rear sheets at the left and right positions;
front panel conveying speed/rear panel conveying speed = rear panel width/front panel width;
(5) Defining the coat layer to be provided with a Z-shaped folding line, wherein the Z-shaped folding line is superposed with or very close to the narrowest line of the crotch, and pre-folding a part of capacity space of the back sheet of the coat layer inside the back sheet along the Z-shaped folding line;
(6) The rear piece is turned over for 180 degrees, is aligned and compounded with the front piece in the front and back positions, and the two transverse sides are welded and fixed, so that the briefs type sanitary towel conforming to the human engineering is obtained.
Further: the elastic material layer of the leg circumference is U-shaped or X-shaped or two half O-shaped on the left and the right.
Further: and (4) folding the rear sheet in a Z-shaped manner.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the transverse width of the back sheet is greater than that of the front sheet, the transverse two sides of the front sheet and the back sheet are fixedly welded to form a left sealing line and a right sealing line, the transverse distance between the left sealing line and the right sealing line and the most front end salient point of the human hip bone is 5-50mm, the sealing lines are not arranged on the left side and the right side of the human body, the side waist edge of the human body cannot be knocked when the hip bone is laid on the side, foreign body feeling cannot occur, and the hip bone is more comfortable to use;
2. the longitudinal length of the back piece is larger than that of the front piece, and as the thickness of the buttocks of the back of a human body is obviously larger than that of the triangular area in front, the length of the back piece of the pants-type sanitary towel is larger than that of the front piece, so that the back piece of the pants-type sanitary towel has more accommodating space.
3. The long fibers are added into the absorber, so that the liquid absorption diffusion speed and the diffusion length of the absorber can be increased, and the risk of the absorber breaking is reduced.
4. The width of the front piece and the rear piece of the traditional pants-type sanitary towel is equal, the wrapping angle of the rear piece to the human body is less than 180 degrees when the traditional pants-type sanitary towel is worn by calculating the circumference of the human body by 360 degrees, and the wrapping angle of the rear piece to the human body is more than or equal to 195 degrees when the traditional pants-type sanitary towel is worn.
5. The width of the back piece is increased, so that the back piece extends to the front end of a human body when the panty-type sanitary towel is worn and is designed with the leg elastic material layers, when the panty-type sanitary towel is naturally placed, the back piece can be naturally tightened and lifted and partially leaves a water plane, the human body shape is truly simulated, the panty-type sanitary towel is more comfortable to wear, the wrapping performance of leg girth and hip is better, and meanwhile, the leakage-proof effect is increased
6. Further: the waistline area is formed by folding and fixing the top ends of the front piece and the back piece twice, so that the waistline area is thicker and more elastic, and has stronger stability.
7. The leg elastic material layer is composed of two groups of elastic materials, namely a first group of elastic materials and a second group of elastic materials, the first group of elastic materials extend from the left upper area of the front piece to the left middle area and then extend to the right upper area from the right middle area to the last, and the second group of elastic materials extend from the left lower area of the back piece to the left middle area and then extend to the right lower area from the left middle area to the last; or, the first group of elastic materials extends along the upper left region of the front panel to the middle left region and then extends to the middle right region and finally extends to the lower right region of the back panel, and the second group of elastic materials extends from the upper right region of the front panel to the middle right region and then extends to the middle left region and then extends to the lower left region of the back panel; or the first group of elastic materials extends to the left middle area along the left upper area of the front piece and then extends to the left middle area of the back piece, and the second group of elastic materials extends to the right middle area from the right upper area of the front piece and then extends to the right middle area of the back piece and then extends to the right lower area of the back piece.
Drawings
FIG. 1 is a front view of a product according to the background of the invention;
FIG. 2 is a front view of a product according to an embodiment of the invention;
FIG. 3 is a schematic view of an expanded structure of a product according to an embodiment of the invention;
FIG. 4 is a schematic view of an expanded structure of a second product according to an embodiment of the present invention;
FIG. 5 is a schematic view of an expanded structure of a third product according to an embodiment of the present invention;
FIG. 6 is a schematic view of a rear panel folded in a Z-shape in accordance with one embodiment of the present invention;
FIG. 7 is a schematic view of a folded front and back panel connection configuration in accordance with one embodiment of the present invention;
FIG. 8 is a schematic view of the omega folding and delivery of the front and back panels in a first embodiment of the present invention;
FIG. 9 is a schematic perspective view of a product according to a first embodiment of the present invention;
fig. 10 is a schematic view of a production process in accordance with a first embodiment of the present invention.
Detailed Description
The embodiment of the invention is as follows:
referring to fig. 2, 3, 6, 7, 8, 9 and 10, an ergonomic medium-sized panti-type sanitary napkin comprises an absorbent body 1 and a garment layer disposed outside the absorbent body, wherein the absorbent body 1 is defined to have a longitudinal direction along a length direction and a transverse direction along a width direction, the garment layer is divided into a front sheet a and a rear sheet b by taking a narrowest crotch line c as a boundary, the transverse width of the rear sheet b is greater than that of the front sheet a, the front sheet a and the rear sheet b are fixedly welded at both transverse sides to form a left sealing line 2 and a right sealing line 3, the transverse distance between the left sealing line and the right sealing line and the most anterior end bump of the hip bone is 25mm, the longitudinal length of the rear sheet b is 10% longer than that of the front sheet a, long fibers are added in the absorbent body 1, are ES fibers, and specifically, the absorbent body is wrapped by a nonwoven absorbent core, and the absorbent core is composed of fluff pulp, high-molecular water-absorbent resin, long fibers in a weight ratio =10:1:1.5, pattern layers are printed on the outer-layer non-woven fabrics of the front sheet and the rear sheet, and the pattern layers are used for performing online positioning of products;
still enclose the elastic material layer including setting up the leg that two legs were enclosed the department about, elastic material layer 4 is enclosed by two sets of elastic material to the leg, is first elastic material 41 of group, second elastic material 42 of group respectively, first elastic material 41 of group extends to the left middle zone along the upper left region of anter and extends to the left middle zone of back part again and extends to the left lower region of back part last, second elastic material 42 of group extends to the right middle zone of right middle zone again and extends to the right middle zone of back part from the upper right region of anter and extends to the right lower region of right of back part last.
Specifically, after the sanitary napkin in the menstrual period is unfolded, the length of the left waistline and the right waistline is 625, the length of the absorber is 630mm, and the length of the absorbent core is 475mm. The waistline is folded for 2 times and is overlapped with the waistline width of 20mm after being folded. The stretch ratio of the elastic spandex silk material of the waistline is 2.5; the stretching ratio of the waistline elastic non-woven fabric is 2.0; when the hip bone is worn, the distance between the side sealing part and the most front salient point of the hip bone is about 20mm.
The preparation method of the briefs type sanitary towel conforming to the human engineering comprises the following preparation steps:
(1) Preparation of outer clothing layer
s1, carrying out on-line transmission on outer-layer non-woven fabrics, compounding an elastic spandex filament and a leg-surrounding elastic material layer on line, and compounding an inner-layer non-woven fabric to obtain an outer garment layer compounded into a whole; the leg surrounding elastic material layer controls the transmission direction through the baffle plate, so that the leg surrounding elastic material layer is distributed between the outer layer non-woven fabric and the inner layer non-woven fabric in a specific shape;
s2, cutting out single coat layer: slitting longitudinally to obtain individual garment layers; the single garment layer has a leg encircling O-ring, a narrower front panel and a wider back panel;
(2) Preparation of absorbent body
a. Long fiber finishing: unpacking long fibers by an unpacking machine, coarsely opening by a coarse opener, carding by a fine opener to a single fiber state, and sending the single fiber state to an outlet of a wood pulp crusher by a quantitative fan to mix with fluff pulp and SAP;
b. mixing the fluff pulp, the high polymer water-absorbent resin and the long fiber, and feeding the mixture into a die wheel for molding;
c. attaching a wrapping layer to obtain an absorption core layer;
d. compounding a liquid-permeable surface layer and a liquid-impermeable bottom layer on line to obtain an absorber; cutting to obtain single absorber;
(3) The single absorber is transmitted on line, and after being turned over for 90 degrees, the absorber is transmitted and compounded to the coat layer processed in the step s 2;
(4) The combined coat layer and the absorber layer enter an omega folding and conveying device, so that the parts of the left side and the right side of the back piece wider than the front piece are folded by omega in the conveying process, and the transverse width of the back piece is consistent with that of the front piece after folding;
(5) Defining the coat layer to be provided with a Z-shaped folding line, wherein the Z-shaped folding line is superposed with or very close to the narrowest line of the crotch, and pre-folding a part of capacity space of the back sheet of the coat layer inside the back sheet along the Z-shaped folding line;
(6) The rear piece is folded by 180 degrees, is aligned and compounded with the front piece in the front and back positions, and the two transverse sides are welded and fixed, thus obtaining the briefs type sanitary towel conforming to the human engineering.
The above-mentioned leg encloses the elastic material layer shape and is the C type structure of bilateral symmetry, and leg encloses elastic material layer 4 promptly and comprises two sets of elastic material, is first group elastic material 41 respectively, second group elastic material 42, first group elastic material 41 extends to left middle zone along the upper left region of anter to extend to the left middle zone of back part and extends to the left lower zone of back part rearmost, second group elastic material 42 extends to right middle zone from the upper right zone of anter to extend to the right middle zone of back part and extends to the right lower zone of back part rearmost.
Example two
Referring to fig. 4 and the first embodiment, the difference is that: the leg elastic material layer provided at the left and right leg bands of the present embodiment is composed of a first group of elastic material 41 'and a second group of elastic material 42', wherein the first group of elastic material 41 'extends along the left upper region of the front panel to the left middle region and then extends to the right middle region and finally extends to the right lower region of the back panel, and the second group of elastic material 42' extends from the right upper region of the front panel to the right middle region and then extends to the left middle region and finally extends to the left lower region of the back panel.
In the embodiment, the garment layer and the absorber after being compounded in the step (4) enter the speed ratio eliminating and conveying device, and the left and right width inconsistency of the front and rear pieces is eliminated by setting the conveying speed difference of the front piece and the rear piece, so that the front and rear pieces are aligned in the left and right positions; the velocity ratio equation is: front panel conveying speed/rear panel conveying speed = rear panel width/front panel width; the same objective is achieved in this way instead of the omega fold of example one.
EXAMPLE III
Referring to fig. 5 and the first embodiment, the difference is that: the leg elastic material layer provided at the left and right leg circumferences of the present embodiment is composed of a first group of elastic material 41a and a second group of elastic material 42b, the first group of elastic material 41a extends from the upper left region to the middle left region and then to the middle right region of the front panel, and the second group of elastic material 42b extends from the lower left region to the middle left region and then to the middle right region of the rear panel and then to the lower right region.
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 (10)
1. An ergonomic pantie-type sanitary napkin comprising an absorbent body and an outer garment layer disposed outside the absorbent body, the absorbent body being defined to have a longitudinal direction along a length direction and a transverse direction along a width direction, said outer garment layer being divided into a front panel and a rear panel by using a narrowest line of a crotch portion as a boundary, characterized in that: the transverse width of the back piece is larger than that of the front piece, the transverse two sides of the front piece and the back piece are fixedly welded to form a left sealing line and a right sealing line, the transverse distance between the left sealing line and the right sealing line and the most front end salient point of the human hip bone is 5-50mm, the longitudinal length of the back piece is larger than that of the front piece, the coat layer is provided with leg surrounding elastic material layers arranged at the left leg surrounding part and the right leg surrounding part, and the width of the leg surrounding elastic material layer is larger than or equal to 3mm.
2. An ergonomic pantiliner as recited in claim 1, wherein: the long fiber is added in the absorber and is cotton fiber, fluff pulp fiber, viscose fiber or ES fiber.
3. An ergonomic pantiliner as recited in claim 1, wherein: when worn, the angle of the back piece wrapping the human body is more than 195 degrees.
4. An ergonomic panti-type sanitary napkin as claimed in claim 1, wherein: the longitudinal dimension of the back panel is greater than the longitudinal dimension of the front panel by more than 10%.
5. An ergonomic pantiliner as recited in claim 1, wherein: the absorber is formed by mixing fluff pulp, high-molecular water-absorbing resin and long fibers.
6. An ergonomic pantiliner as recited in claim 5, wherein: the fluff pulp comprises the following components: high-molecular water-absorbent resin: long fibers in weight ratio =10:1-3:0.5-2.
7. an ergonomic pantiliner as recited in claim 1, wherein: the outer layer non-woven fabric is provided with a pattern printing layer.
8. An ergonomic panti-type sanitary napkin as claimed in claim 1, wherein: the leg surrounding elastic material layers are composed of two groups of elastic materials, namely a first group of elastic materials and a second group of elastic materials, the first group of elastic materials extend from the left upper area of the front piece to the left middle area and then extend to the right upper area from the right middle area to the last, and the second group of elastic materials extend from the left lower area of the back piece to the left middle area and then extend to the right lower area from the right middle area to the last; or, the first group of elastic materials extends along the upper left region of the front panel to the middle left region and then extends to the middle right region and finally extends to the lower right region of the back panel, and the second group of elastic materials extends from the upper right region of the front panel to the middle right region and then extends to the middle left region and then extends to the lower left region of the back panel; or, the first group of elastic materials extends along the upper left area of the front panel to the middle left area and then extends to the middle left area of the back panel and finally extends to the lower left area of the back panel, and the second group of elastic materials extends from the upper right area of the front panel to the middle right area and then extends to the middle right area of the back panel and finally extends to the lower right area of the back panel;
the leg-surrounding elastic material layer is any one or any combination of more than two of elastic spandex yarns, elastic non-woven fabrics and elastic films.
9. A preparation method of a pantie-type sanitary towel conforming to human engineering is characterized by comprising the following preparation steps: (1) Preparation of outer clothing layer
s1, carrying out on-line transmission on outer-layer non-woven fabrics, compounding an elastic spandex filament and a leg-surrounding elastic material layer on line, and compounding an inner-layer non-woven fabric to obtain an outer garment layer compounded into a whole; the leg surrounding elastic material layer controls the transmission direction through the baffle plate, so that the leg surrounding elastic material layer is distributed between the outer layer non-woven fabric and the inner layer non-woven fabric in a specific shape;
s2, cutting out single coat layer: slitting longitudinally to obtain individual garment layers; the single garment layer has leg encircling O-rings, a narrower front panel and a wider back panel;
(2) Preparation of absorbent body
a. Long fiber finishing: unpacking long fibers by an unpacking machine, coarsely opening by a coarse opener, carding by a fine opener to a single fiber state, and sending the single fiber state to an outlet of a wood pulp crusher by a quantitative fan to mix with fluff pulp and SAP;
b. mixing the fluff pulp, the high polymer water-absorbent resin and the long fiber, and feeding the mixture into a die wheel for molding;
c. attaching a wrapping layer to obtain an absorption core layer;
d. compounding a liquid-permeable surface layer and a liquid-impermeable bottom layer on line to obtain an absorber; cutting to obtain single absorber;
(3) The single absorber is transmitted on line, and after being turned over for 90 degrees, the absorber is transmitted and compounded to the coat layer processed in the step s 2;
(4) The combined coat layer and the absorber layer enter an omega folding and conveying device, so that the parts of the left side and the right side of the back piece wider than the front piece are folded by omega in the conveying process, and the transverse width of the back piece is consistent with that of the front piece after folding; or entering a speed ratio eliminating and conveying device, and eliminating the left and right width inconsistency of the front and rear sheets by setting the conveying speed difference of the front sheet and the rear sheet so as to align the front and rear sheets at the left and right positions;
front panel conveying speed/rear panel conveying speed = rear panel width/front panel width;
(5) Defining the coat layer to be provided with a Z-shaped folding line, wherein the Z-shaped folding line is superposed with or very close to the narrowest line of the crotch, and pre-folding a part of capacity space of the back sheet of the coat layer inside the back sheet along the Z-shaped folding line;
(6) The rear piece is folded by 180 degrees, is aligned and compounded with the front piece in the front and back positions, and the two transverse sides are welded and fixed, thus obtaining the briefs type sanitary towel conforming to the human engineering.
10. The method of making an ergonomic pantiliner as recited in claim 9, wherein: the leg surrounding elastic material layer is U-shaped or X-shaped or left and right semi-O-shaped.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310179619.2A CN116211596A (en) | 2022-08-11 | 2022-08-11 | Preparation method of briefs type sanitary towel conforming to human engineering |
| CN202210962083.7A CN115300238B (en) | 2022-08-11 | 2022-08-11 | Panty type sanitary towel conforming to ergonomics and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962083.7A CN115300238B (en) | 2022-08-11 | 2022-08-11 | Panty type sanitary towel conforming to ergonomics and preparation method thereof |
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| CN202310179619.2A Division CN116211596A (en) | 2022-08-11 | 2022-08-11 | Preparation method of briefs type sanitary towel conforming to human engineering |
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| CN202210962083.7A Active CN115300238B (en) | 2022-08-11 | 2022-08-11 | Panty type sanitary towel conforming to ergonomics and preparation method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115300238B (en) | 2024-03-19 |
| CN116211596A (en) | 2023-06-06 |
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