WO2023024184A1 - Tissu non tissé à ceinture élastique et son procédé de production - Google Patents

Tissu non tissé à ceinture élastique et son procédé de production Download PDF

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Publication number
WO2023024184A1
WO2023024184A1 PCT/CN2021/118111 CN2021118111W WO2023024184A1 WO 2023024184 A1 WO2023024184 A1 WO 2023024184A1 CN 2021118111 W CN2021118111 W CN 2021118111W WO 2023024184 A1 WO2023024184 A1 WO 2023024184A1
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Prior art keywords
cutting
woven fabric
cutting part
elastic
elastic film
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PCT/CN2021/118111
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English (en)
Chinese (zh)
Inventor
林笛
黄雨昕
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泉州市汉威机械制造有限公司
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Publication of WO2023024184A1 publication Critical patent/WO2023024184A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15723—Partitioning batts; Cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—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
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
    • 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
    • A61F13/49—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
    • B32B37/0084—Point bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/05—Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
    • 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
    • A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
    • A61F2013/15991—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven in making composite multi-layered product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/045—Slitting

Definitions

  • the invention relates to the field of disposable sanitary products, in particular to an elastic waist nonwoven fabric and a production method thereof.
  • the application of elastic waist non-woven fabrics has been widely used, especially in the field of disposable hygiene products.
  • Its structure is such as the composite elastic non-woven fabric disclosed in Chinese patent application number: CN201210380277.2
  • the composite elastic non-woven fabric structure includes an elastic fabric layer and a non-woven fabric layer.
  • the non-woven fabric layer is integrated with the elastic fabric layer.
  • the manufacturing method of the composite elastic non-woven fabric includes: providing an elastic fabric layer; combining a non-woven fabric layer with the elastic fabric layer; heat pressing the non-woven fabric layer and the elastic fabric layer to make them flat; and cooling the non-woven fabric layer and the elastic fabric layer layer.
  • the application of this kind of elastic material combined with non-woven fabric is mainly applied to the waist area of diapers.
  • holes are usually punched on it.
  • the holes are usually in accordance with It is carried out in a uniform distribution method to achieve a balance of strength and breathability.
  • the holes should not be too dense, and it still cannot form a good ventilation effect, and the comfort when wearing is slightly poor.
  • the present invention proposes an elastic waist nonwoven fabric, which solves the technical problem that the existing elastic nonwoven fabric has insufficient air permeability and cannot form good comfort.
  • a production method of elastic waist non-woven fabric is also proposed.
  • an elastic waist non-woven fabric comprising an upper non-woven fabric, a lower non-woven fabric and an elastic film sandwiched between the upper non-woven fabric and the lower non-woven fabric
  • the upper non-woven fabric, the elastic film, and the lower non-woven fabric are fixed through multiple connection parts to form fastening points, each fastening point surrounds and forms multiple cutting areas, and at least one cutting unit is arranged in each cutting area, so The above cutting units are formed by ultrasonic welding.
  • Each cutting unit cuts the upper non-woven fabric, the lower non-woven fabric and the elastic film.
  • the stretch ratio is 1.5 to 4
  • the cutting unit forms vent holes on the elastic film, and each vent hole becomes flat in a stretched state, and the upper non-woven fabric layer and the lower non-woven fabric layer are bonded at the cutting unit. and a vent hole is formed in the middle of the bonding part, and each vent hole surrounds each vent hole.
  • the cutting unit includes a strip-shaped upper cutting portion arranged along vertical cutting, a strip-shaped lower cutting portion arranged along vertical cutting, and a left vertical cutting portion located on the left side of the upper cutting portion.
  • Cutting part, the right cutting part positioned at the right side of the lower cutting part along the vertical cutting, the left cutting part and the right cutting part are arranged along the vertical cutting to form a strip state, the length of the left cutting part and the right cutting part Smaller than the upper or lower cut.
  • the ventilation holes formed by the left cutting part and the right cutting part are respectively located between the ventilation holes formed by the upper cutting part and the lower cutting part.
  • left cutting parts there are more than two left cutting parts, and more than two left cutting parts form an oblique first oblique line with the upper cutting part.
  • each fastening point forms a plurality of oblique partition lines
  • the cutting area is located between two adjacent partition lines
  • each cutting area is provided with more than two cutting units
  • the lower part of the two adjacent cutting units The connecting line at the lower end of the cutting part is the first connecting line, and the first connecting line is parallel to each partition line.
  • the length of the fastening point along the longitudinal direction is greater than the length along the transverse direction, with a ratio of 2-3:1.
  • a kind of production method based on the elastic waistline non-woven fabric of same inventive idea comprises the following steps:
  • the first step is to unwind the elastic film, pass through the slow driving roller and then pass through the fast driving roller to form a differential speed conveying, so as to realize the stretching of the elastic film, and the stretching ratio is 1.5 to 4;
  • the upper non-woven fabric and the lower non-woven fabric are combined on the upper surface and the lower surface of the elastic film to form a sheet, and then fixed by an ultrasonic device, so that the upper non-woven fabric, the elastic film and the lower non-woven fabric are connected to form Fastening points, each fastening point is distributed to form a plurality of partition lines, and each partition line is arranged at intervals along the transverse direction;
  • the third step is to achieve smoothness through the middle driving roller rolling
  • the fourth step is to use a cutting device to cut the sheet.
  • the cutting device is an ultrasonic welding device, so that there is at least one cutting unit in the two partition lines on the adjacent sheet, and each cutting unit cuts the upper non-woven fabric and the lower layer.
  • Non-woven fabric and elastic film the cutting unit forms vent holes on the elastic film, and each vent hole becomes flat in a stretched state, and the upper non-woven fabric layer and the lower non-woven fabric layer are bonded at the cutting unit , and a ventilating through hole is formed in the middle of the bonding part, each venting hole surrounds each ventilating through hole;
  • the sheet passes through the tension buffer mechanism, and then is driven out by the output drive roller.
  • the upper layer non-woven fabric or the lower layer non-woven fabric passes through the non-woven fabric tension buffer mechanism, the non-woven fabric driving mechanism, and the non-woven fabric correction mechanism, and then is compounded with the elastic film.
  • the cutting unit includes a strip-shaped upper cutting portion arranged along vertical cutting, a strip-shaped lower cutting portion arranged along vertical cutting, and a left vertical cutting portion located on the left side of the upper cutting portion.
  • Cutting part, the right cutting part positioned at the right side of the lower cutting part along the vertical cutting, the left cutting part and the right cutting part are arranged along the vertical cutting to form a strip state, the length of the left cutting part and the right cutting part Smaller than the upper or lower cut.
  • the fastening points are divided into multiple cutting areas, and at least one cutting unit is arranged in the cutting area, so that a plurality of air hole areas with partitions can be formed, and since the elastic film is in a transversely stretched state, the cutting unit can be elastically stretched.
  • the many vent holes cut in the film are stretched to form a horizontally flat shape.
  • the elastic film is in a state of transverse stretching, and the stretching ratio is 1.5 to 4, so that when it retracts, it can form a good waist tightening effect.
  • the upper non-woven fabric layer and the lower non-woven fabric layer are bonded at the cutting unit, and a ventilating through hole is formed in the middle of the bonding part, and each ventilating hole surrounds each ventilating through hole, which can make the ventilating effect better, Moreover, it can effectively realize the restriction on the elastic film, and can effectively prevent the swelling and displacement of the upper non-woven fabric and the lower non-woven fabric. Moreover, the upper layer of non-woven fabric and the lower layer of non-woven fabric will be in a state of being close to the elastic film, forming a better wrinkle effect.
  • the vertical length of the upper cutting part and the lower cutting part is usually set to 1.5-5 mm
  • the vertical length of the left cutting part and the right cutting part is generally set to 0.5-2 mm
  • the upper cutting part or the lower cutting part and the The ratio of left cutting or right cutting is usually 2-3:1.
  • the width of the upper cutting portion, the lower cutting portion, the left cutting portion, and the right cutting portion the smaller the better.
  • each cutting unit has two left cutting parts and two right cutting parts, and the ventilation holes at the upper cutting part, lower cutting part, left cutting part and right cutting part form a better ventilation structure.
  • the setting of the first oblique line and the second oblique line can form a better arrangement, realize better arrangement of the cutting units, and thus realize effective ventilation.
  • the partition line is inclined, which can form a better distribution effect. When stretching horizontally, through such oblique restriction, better stability can be achieved. Through the parallelism of the first connecting line and the partitioning line, each air hole can exhibit a better stretch state. Such an arrangement can effectively control the stretching of each vent hole.
  • the included angle between the partition line and the horizontal plane is 25-35 degrees, and the distance between the first connecting line and the closest partition line is 2.2-2.7 mm.
  • Such numerical setting is a preferable range , a reasonable interval distribution can be formed.
  • the upper cutting part, the left cutting part, the lower cutting part and the right cutting part of a cutting unit form a rhombus, also in order to realize effective distribution.
  • the upper layer of non-woven fabric and the lower layer of non-woven fabric are common non-woven fabric materials, combined with an elastic film, so as to achieve better ventilation effect and have good elastic stretching performance. Since it is a disposable hygienic product, its life expectancy is not high, and the destructive operation of cutting the elastic film will not cause a bad situation.
  • the manufacturing method of the elastic waistline nonwoven fabric which adopts the ultrasonic welding device to fix the upper nonwoven fabric, the elastic film and the lower nonwoven fabric, realizes the cutting of the sheet through the cutting device, thereby realizing
  • the cutting unit is formed so as to form an effective elastic waist forming of the nonwoven fabric.
  • Fig. 1 is a structural representation of the present invention
  • Fig. 2 is a cross-sectional view at A-A in Fig. 1;
  • Fig. 3 is a display state diagram of Fig. 1;
  • Fig. 4 is a reference figure of the present invention.
  • Fig. 5 is a schematic structural view of the manufacturing device of the elastic nonwoven fabric of the present invention.
  • this embodiment provides an elastic waist nonwoven fabric, including an upper nonwoven fabric 1, a lower nonwoven fabric 2, and a nonwoven fabric sandwiched between the upper nonwoven fabric 1 and the lower nonwoven fabric 2. Between the elastic film 3, the upper non-woven fabric 1 and the lower non-woven fabric 2 are air-permeable sheets, and the non-woven fabric material is selected in this scheme.
  • the upper non-woven fabric 1, the elastic film 3, and the lower non-woven fabric 2 are fixed through a plurality of connecting parts to form fastening points 4, and each fastening point 4 is distributed to form a plurality of partition lines F, and each partition line F is along the Horizontally spaced, two adjacent partition lines F form a partition area 5, there is at least one cutting unit 6 in the adjacent two partition lines, and each cutting unit 6 includes a long strip-shaped upper cutting portion arranged along the vertical cutting 61.
  • Right cutting part 64, described left cutting part 63, right cutting part 64 are arranged to form elongated state along vertical cutting, and the length of described left cutting part 63, right cutting part 64 is less than upper cutting part 61 or lower cutting part 62
  • the upper cutting part 61, the lower cutting part 62, the left cutting part 63 and the right cutting part 64 respectively cut the upper non-woven fabric 1, the lower non-woven fabric 2 and the elastic film 3, when the upper non-woven fabric 1, the lower non-woven fabric 2 is in a flat state, and the elastic film 3 is in a transversely stretched state.
  • the ventilation holes formed by the left cutting portion 63 and the right cutting portion 64 are respectively located between the ventilation holes formed by the upper cutting portion 61 and the lower cutting portion 62 .
  • There are more than two left cutting portions 63 in this solution, there are two.
  • the two left cutting portions 63 and the upper cutting portion 61 form a first oblique line D in an oblique direction.
  • There are more than two right cutting portions 64 in this solution, there are two.
  • the two right cutting portions 64 and the lower cutting portion 62 form a second oblique line E.
  • the first oblique line D is parallel to the second oblique line E, which results in a better, more uniform shape.
  • the connecting line connecting the lower ends of the lower cutting portions 62 of two adjacent cutting units 6 is a first connecting line G, and the first connecting line G is parallel to each partition line F.
  • the included angle C between the partition line F and the horizontal plane is 25-35 degrees.
  • the distance between the first connecting line G and the closest dividing line F is 2.2-2.7 mm.
  • the upper cutting portion 61 , the left cutting portion 63 , the lower cutting portion 62 and the right cutting portion 64 of one cutting unit 6 form a rhombus H.
  • the length of the fastening point 4 along the longitudinal direction is greater than the length along the transverse direction, the ratio is 2-3:1.
  • the upper cutting portion 61, the lower cutting portion 62, the left cutting portion 63, and the right cutting portion 64 are formed by ultrasonic welding, air holes are formed at the elastic film, and the upper non-woven fabric and the lower layer The non-woven fabric forms a bond, and a ventilating through hole 8 is formed at the bond site.
  • the upper cutting portion 61 , the lower cutting portion 62 , the left cutting portion 63 and the right cutting portion 64 may also be formed by cutting with a blade.
  • the stretch ratio of the elastic film is generally 1.5-4, of course, it can also be larger or smaller, and the thickness of the elastic film is selected between 0.2-1mm.
  • a kind of manufacture method based on the elastic waistline non-woven fabric of same inventive idea comprises the following steps:
  • the first step is to unwind the elastic film, pass through the slow driving roller and then pass through the fast driving roller to form a differential speed conveying, so as to realize the stretching of the elastic film, and the stretching ratio is 1.5 to 4;
  • the upper non-woven fabric and the lower non-woven fabric are combined on the upper surface and the lower surface of the elastic film to form a sheet, and then fixed by an ultrasonic device, so that the upper non-woven fabric, the elastic film and the lower non-woven fabric are connected to form Fastening points, each fastening point is distributed to form a plurality of partition lines, and each partition line is arranged at intervals along the transverse direction;
  • the third step is to achieve smoothness through the middle driving roller rolling
  • the fourth step is to use a cutting device to cut the sheet.
  • the cutting device is an ultrasonic welding device, so that there is at least one cutting unit in the two partition lines on the adjacent sheet, and each cutting unit cuts the upper non-woven fabric and the lower layer.
  • Non-woven fabric and elastic film the cutting unit forms vent holes on the elastic film, and each vent hole becomes flat in a stretched state, and the upper non-woven fabric layer and the lower non-woven fabric layer are bonded at the cutting unit , and a ventilating through hole is formed in the middle of the bonding part, each venting hole surrounds each ventilating through hole;
  • the sheet passes through the tension buffer mechanism, and then is driven out by the output drive roller.
  • the upper layer of non-woven fabric or the lower layer of non-woven fabric After the upper layer of non-woven fabric or the lower layer of non-woven fabric is unrolled, it passes through a layer of non-woven fabric tension buffer mechanism, a layer of non-woven fabric driving mechanism, a layer of non-woven fabric correction mechanism, and then is compounded with an elastic film.
  • this scheme also discloses a kind of manufacturing device for the elastic waistline non-woven fabric that is used to realize above-mentioned technology, comprises frame 1 and is arranged on frame according to the elastic film unwinding mechanism 91 of assembly line, slow-speed driving roller 92 , fast drive roller 93, compound station 94, ultrasonic device 95, intermediate drive roller 96, cutting device 97, tension buffer mechanism 98, output drive roller 99, and the frame is located at compound station 94 and connected to the upper non-woven
  • the cloth conveying mechanism and the lower non-woven fabric conveying mechanism can realize the composite of upper non-woven fabric, elastic film and lower non-woven fabric.
  • the upper non-woven fabric conveying mechanism includes upper non-woven fabric unwinding mechanism 910, upper non-woven fabric buffer Mechanism 911, upper non-woven fabric driving roller 912, upper non-woven fabric correction mechanism 913, lower non-woven fabric conveying mechanism including lower non-woven fabric unwinding mechanism 914, lower non-woven fabric buffer mechanism 915, lower non-woven fabric driving roller 916 , The lower non-woven fabric correction mechanism 917.
  • the above-mentioned mechanisms are conventional mechanisms in the field, and the specific structures have been disclosed, and the relevant patents of the applicant can be referred to.
  • the ultrasonic device 95 and the cutting device 97 need to have a specific arrangement of points.
  • the cutting device 97 can adopt an ultrasonic mechanism. When using an ultrasonic mechanism, it can form a plurality of cutting units on the sheet at one time. As shown in FIG. 3 , the cutting area between two adjacent dividing lines Multiple cutting units form the most basic welding unit.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • “plurality” means two or more, unless otherwise specifically defined.
  • the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (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)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

La présente invention concerne le domaine des produits hygiéniques jetables, et en particulier un tissu non tissé à ceinture élastique, comprenant un tissu non tissé supérieur, un tissu non tissé inférieur et un film élastique. Des points de fixation sont formés entre le tissu non tissé supérieur, le film élastique et le tissu non tissé inférieur ; les points de fixation se ferment pour former une pluralité de zones de coupe ; au moins une unité de coupe est disposée dans chaque zone de coupe ; l'unité de coupe est formée par soudage par ultrasons ; chaque unité de coupe coupe le tissu non tissé supérieur, le tissu non tissé inférieur et le film élastique ; lorsque le tissu non tissé supérieur et le tissu non tissé inférieur sont dans un état plat, l'unité de coupe forme des trous perméables à l'air sur le film élastique ; chaque trou perméable à l'air est plat dans un état étiré ; la couche de tissu non tissé supérieur et la couche de tissu non tissé inférieur sont liées au niveau des unités de coupe, et des trous traversants perméables à l'air sont formés au milieu des parties de liaison ; et chaque trou perméable à l'air entoure chaque trou traversant perméable à l'air. La présente invention résout le problème technique selon lequel un tissu non tissé élastique existant présente une perméabilité à l'air insuffisante et ne peut donc pas procurer un bon confort. L'invention concerne également un procédé de production d'un tissu non tissé à ceinture élastique.
PCT/CN2021/118111 2021-08-25 2021-09-14 Tissu non tissé à ceinture élastique et son procédé de production WO2023024184A1 (fr)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113715459B (zh) * 2021-08-25 2022-08-16 泉州市汉威机械制造有限公司 一种弹性片材制造装置
CN114404146A (zh) * 2022-01-20 2022-04-29 爹地宝贝股份有限公司 一种卫生裤及其制备方法
CN115320191A (zh) * 2022-08-22 2022-11-11 浙江华晨非织造布有限公司 一种多层复合型纵向弹性无纺布

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6572595B1 (en) * 2000-05-30 2003-06-03 Associated Hygienic Products Disposable absorbent garment such as a diaper or training pants and a process of making the same
CN106364002A (zh) * 2016-09-20 2017-02-01 杨明达 弹性中空透气折绉式复合无纺布及成型方法
CN109692078A (zh) * 2017-10-20 2019-04-30 法麦凯尼柯数据股份公司 制造透气网材的方法和设备以及相应的网材
CN110868976A (zh) * 2017-09-27 2020-03-06 大王制纸株式会社 伸缩部件和具有该伸缩部件的一次性穿着物品
CN111839898A (zh) * 2019-04-26 2020-10-30 尤妮佳股份有限公司 层叠体和吸收性物品
CN213190609U (zh) * 2020-07-22 2021-05-14 张迎雪 一种透气性弹性膜腰围

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112017016325B1 (pt) * 2015-01-30 2023-02-28 Daio Paper Corporation Artigo absorvente e método de fabricação
JP6240733B1 (ja) * 2016-09-30 2017-11-29 大王製紙株式会社 使い捨て着用物品及びその製造方法
WO2019045772A1 (fr) * 2017-08-31 2019-03-07 Kimberly-Clark Worldwide, Inc. Stratifié élastique composite comprenant des segments de film distincts
JP6495507B1 (ja) * 2018-03-27 2019-04-03 大王製紙株式会社 使い捨て着用物品の伸縮構造、及びこの伸縮構造を有するパンツタイプ使い捨て着用物品
CN110588107A (zh) * 2018-05-25 2019-12-20 郑元隆 多层式弹性透气材料结构
CN111823684A (zh) * 2019-04-15 2020-10-27 佛山市甘澍弹性材料科技有限公司 一种纵向弹性复合无纺布的生产装置
CN113017991A (zh) * 2021-03-03 2021-06-25 泉州市汉威机械制造有限公司 一种新型弹性腰围无纺布及其成型工艺

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6572595B1 (en) * 2000-05-30 2003-06-03 Associated Hygienic Products Disposable absorbent garment such as a diaper or training pants and a process of making the same
CN106364002A (zh) * 2016-09-20 2017-02-01 杨明达 弹性中空透气折绉式复合无纺布及成型方法
CN110868976A (zh) * 2017-09-27 2020-03-06 大王制纸株式会社 伸缩部件和具有该伸缩部件的一次性穿着物品
CN109692078A (zh) * 2017-10-20 2019-04-30 法麦凯尼柯数据股份公司 制造透气网材的方法和设备以及相应的网材
CN111839898A (zh) * 2019-04-26 2020-10-30 尤妮佳股份有限公司 层叠体和吸收性物品
CN213190609U (zh) * 2020-07-22 2021-05-14 张迎雪 一种透气性弹性膜腰围

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