CN103945806B - The manufacture method of pants-type wearing garments - Google Patents

The manufacture method of pants-type wearing garments Download PDF

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Publication number
CN103945806B
CN103945806B CN201280055738.7A CN201280055738A CN103945806B CN 103945806 B CN103945806 B CN 103945806B CN 201280055738 A CN201280055738 A CN 201280055738A CN 103945806 B CN103945806 B CN 103945806B
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China
Prior art keywords
sealing
pants
manufacture method
type wearing
backing roll
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CN201280055738.7A
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CN103945806A (en
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石川速巳
安藤贤治
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Kao Corp
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Kao Corp
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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
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15739—Sealing, e.g. involving cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—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
    • A61F13/4963—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs characterized by the seam

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The manufacture method manufacture of the present invention includes the pants-type wearing garments (1) with the enclosure (11) of side seal portion (S).The manufacture method of the present invention, the continuum coincidence of the enclosure (11) of elastomeric element (14～16) will be configured with between strip of sheet material with elongation state after, the state that the continuum of the enclosure (11) overlapped is extended with elastomeric element (14～16) at spaced intervals, make the composition fibers melt of the strip of sheet material of enclosure (11) seal, form sealing portion (S ') in heat-sealing region.Then carry out melted composition fiber forcing cooling, when elastomeric element (14～16) extends, heat-sealing region (HT) is cooled down.And then separation sealing portion (S '), form the pants-type wearing garments (1) with side seal portion (S).

Description

The manufacture method of pants-type wearing garments
Technical field
The present invention relates to the manufacture method of the pants-type wearing garments of Breeches type disposable diaper etc..
Background technology
Such as, the pants-type wearing garments of Breeches type disposable diaper etc., installs after absorbent main body in enclosure, doubling in the way of making drosal part and the coincidence of veutro portion, and engage the edge, both sides of drosal part and the edge, both sides in veutro portion, be consequently formed medicated underpants shape.At this, the joint of these edges, both sides, from the view point of use in the way of being stripped when not peeling off in time wearing and slough, require suitable bond strength, as the joint method obtaining such bond strength, usual motion has the substrate sheets by the enclosure being made up of the composite fibre comprising thermal welding fiber to melt the joint method (with reference to patent documentation 1) of heat-sealing of joint.
Describing for an opposed roller in patent documentation 1, the side face at this opposed roller arranges multiple sealing roller being formed with sealing sword, the heat-sealing method that same sealing portion is repeatedly sealed.Really, as shown in the technology that patent documentation 1 is recorded, for an opposed roller, the side face of this opposed roller arranges multiple sealing roller, repeatedly seal same sealing portion, it becomes possible to obtain sealing the sufficient sealing strength brought.
But, entirely without the relation recorded between the elastomeric elements such as any waist elastic members, leg elastic members, waist periphery elastomeric element and heat-sealing in patent documentation 1, which kind of timing to carry out the product cutting action for forming single pants-type wearing garments with.Such as implement the heat-sealing of record in patent documentation 1 at elastomeric element extended with elongation state, carry out the words of product cutting action afterwards, the elastomeric element elongation state when cutting into single absorbent commodity remaining elongation state is released from, the thermal welding fiber of substrate sheets shrinks, in the heat-sealing region of molten condition, the narrowed width making heat-sealing region, then solidify, likely damaging the outward appearance in side seal portion, the texture that infringement is soft, skin sense of touch is hardening.
Then, motion has before the applicant, by cut off elastomeric element in heat-sealing region make it not manifest contractile function at least partially after, carry out the manufacture method (with reference to patent documentation 2) of the absorbent commodity of the heat-sealing in this heat-sealing region.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2000-255518 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2006-87564 publication
Summary of the invention
But, in patent documentation 2, for after making elastomeric element not manifest contractile function, carry out the conveying of substrate sheets under what conditions, heat-sealing, product cutting action are not specifically recorded.Therefore, by sealing, the thermal welding fiber of substrate sheets becomes molten condition, when heat-sealing region becomes very soft, if the elastomeric element not manifesting the region of contractile function also remains a small amount of contractility, then it can shrink, it is easy to allows for the narrowed width in heat-sealing region, thereafter can there is the situation owing to solidification makes skin sense of touch hardening, also have room for improvement.
Thus, the present invention proposes in view of above-mentioned problem, it is therefore intended that provide one can obtain sufficient sealing strength by heat-sealing, and in heat-sealing region, the contraction of elastomeric element can be prevented effectively from, there is the pants-type wearing garments in the side seal portion of outward appearance and sense of touch excellence.
The present invention provides the manufacture method of a kind of pants-type wearing garments, and it manufactures the pants-type wearing garments including having the enclosure in a pair side seal portion continuously.The manufacture method of the pants-type wearing garments of the present invention, the continuum of the above-mentioned enclosure of many elastomeric elements will be configured with elongation state between strip of sheet material, overlap in the way of the both sides of the conveying direction of the continuum of this enclosure are overlapping, include sealing operation after this, continuum by the above-mentioned enclosure of coincidence, in the conveying direction across the interval of regulation, when above-mentioned elastomeric element extends, make the composition fibers melt of the above-mentioned strip of sheet material of this enclosure seal, form sealing portion in heat-sealing region.The manufacture method of the pants-type wearing garments of the present invention also has: refrigerating work procedure, carries out forcing cooling to the above-mentioned composition fiber melted by sealing, when above-mentioned elastomeric element extends, above-mentioned heat-sealing region is cooled down；And separation circuit, in the above-mentioned sealing portion of above-mentioned heat-sealing region disconnecting, form the above-mentioned pants-type wearing garments with above-mentioned side seal portion.
Accompanying drawing explanation
Fig. 1 is the axonometric chart representing the Breeches type disposable diaper obtained by embodiments of the present invention.
Fig. 2 is the expansion plane graph representing the state that the Breeches type disposable diaper shown in Fig. 1 launches elongation.
Fig. 3 is the amplification view in the side seal portion of the Breeches type disposable diaper shown in Fig. 1.
Fig. 4 is the skeleton diagram of the processing unit (plant) being suitable in the enforcement of the manufacture method of the first embodiment representing the present invention.
Fig. 5 is the sectional view sealing block and cooling nozzle and the position relationship of the continuum of diaper of the backing roll that expression processing unit (plant) shown in Fig. 4 has.
Fig. 6 is the axonometric chart of the example schematically showing the operation being manufactured Breeches type disposable diaper by embodiments of the present invention.
Fig. 7 is the skeleton diagram of the processing unit (plant) being suitable in the enforcement of the manufacture method of the second embodiment representing the present invention.
Fig. 8 is the axonometric chart of other examples schematically showing the operation being manufactured Breeches type disposable diaper by embodiments of the present invention.
Detailed description of the invention
Hereinafter, based on preferred first embodiment, with reference to accompanying drawing, the manufacture method of the pants-type wearing garments of the present invention is illustrated.
First, the manufacture method of the first embodiment the Breeches type disposable diaper manufactured is described based on Fig. 1～Fig. 3.
Breeches type disposable diaper 1 shown in Fig. 2 includes: the absorbent main body 10 of the substantially lengthwise of the absorbent core 4 of the back-sheet 3 with the face sheet 2 of liquid permeability, opaque liquid or water-repellancy and the liquid retainability configured between two sheet materials 2,3；With the enclosure 11 fixing this absorbent main body 10 configured in back-sheet 3 side of this absorbent main body 10.
It addition, in this specification, " heat-sealing " refers not only to heat sealing, also include high frequency sealing, ultrasonic sealing function.
Absorbent main body 10, as in figure 2 it is shown, have the absorbent core 4 of the longitudinally central part inwardly hourglass shape of side's shrinking, absorbent core 4, the face sheet 2 of rectangular shape and back-sheet 3 integration of rectangular shape and be formed as lengthwise.As face sheet 2, back-sheet 3 and absorbent core 4, it is able to use the parts same with the parts of use in existing this kind of diaper.Such as, as face sheet 2, the sheet material of the liquid permeabilities such as the various non-woven fabrics implementing hydrophilicity-imparting treatment or apertured film can be used, as back-sheet 3, the sheet material of the opaque liquids such as the laminated body that can use the thermoplastic resin film such as polyethylene film, this film and non-woven fabrics or water-repellancy, as absorbent core 4, it is possible to use the parts etc. covered by lining paper (not shown) being made up of granule and the fibrous material of superabsorbent polymer.In addition, the left and right sides at the length direction of absorbent main body 10, configuration liquid repellence or even water-repellancy and be aeration material composition side pad 5,5, near the free end of each side pad 5, it is configured with side pad elastomeric element 51, when diaper is worn, by the contraction of elastomeric element 51 with elongation state, side pad 5 erects, and forms three-dimensional gauffer.
As in figure 2 it is shown, enclosure 11 is formed as the hourglass shape of its both side edges longitudinally central part inwardly side's shrinking, form the profile (with reference to Fig. 1) of diaper.Diaper 1, as in figure 2 it is shown, its length direction in deployed condition, is divided into when wearing to be arranged in the veutro portion A of the veutro of wearer, is arranged in the drosal part B and therebetween crotch C of dorsal part.In enclosure 11, edge, both sides A1, the A2 in veutro portion A and edge, both sides B1, B2 in drosal part B are bonded with each other, by this joint, as it is shown in figure 1, form a pair side seal portion S, S, waist peristome WO and pair of leg peristome LO at diaper 1.So, the Breeches type disposable diaper 1 of the manufacture method manufacture of the first embodiment the enclosure 11 with a pair side seal portion S, S is included.
Enclosure 11, as shown in Figure 2 and Figure 3, has outer layer sheet 12 and the structure of internal layer sheet material 13 lamination of the inner surface side (absorbent main body 10 side) being arranged in this outer layer sheet 12.Outer layer sheet 12 forms the outer surface of diaper 1, and internal layer sheet material 13 is arranged in inner surface side the part joint of outer layer sheet 12.In diaper 1, as shown in Figure 2, outer layer sheet 12 has the length extended further out more in the longitudinal direction than the region being gripped many waist elastic members 14 described later by outer layer sheet 12 and internal layer sheet material 13, this elongated area extended out, turn back to absorbent main body 10 side, cover the end of the length direction of absorbent main body 10, fixed by bonding agent (not shown).Outer layer sheet 12 and internal layer sheet material 13 as enclosure 11, it is possible to do not have the various sheet materials that this kind of article of conditional use use all the time.When sheet material is non-woven fabrics, from the view point of flexibility etc., it is preferable that include single sheet or the laminated sheet of hot-wind nonwoven cloth, hot-rolling non-woven fabrics, spun-laced nonwoven fabric, spun-bonded non-woven fabrics, melt spraying non-woven fabrics etc..
Enclosure 11, as shown in Figure 2 and Figure 3, has elastomeric element 14,15,16 between outer layer sheet 12 and internal layer sheet material 13.Enclosure 11 is respectively provided with the many waist elastic members 14 along width configuration and Duo Gen waist portion elastomeric element 15 at the veutro portion A and drosal part B of diaper 1.Additionally, enclosure 11 has many leg elastic members 16 at the circumference of leg opening portion LO.As elastomeric element 14,15,16, it is preferably used respectively and the loft material such as natural rubber, polyurethane based resin, polyurathamc resinoid are formed as wire (rubber covered wire) or the parts of banding (rubber flat rubber belting).
Waist elastic members 14, on the length direction of the diaper 1 of deployed condition, configures the waist of each more outward square position at the two ends being held within the length direction than absorbent main body 10, by their contraction, forms waist gauffer at waist with elongation state.
Waist portion elastomeric element 15, on the length direction of the diaper 1 of deployed condition, it is held within the waist portion of each the more inner side (crotch C side) than the two ends of the length direction of absorbent main body 10 with elongation state configuration, by their contraction, forms waist portion gauffer in waist portion.Additionally, in diaper 1, the veutro portion A and drosal part B waist portion elastomeric element 15 in each is cut off in the part overlapping with absorbent main body 10.
Leg elastic members 16 is fixing with elongation state configuration from veutro portion A to crotch C, and then, other leg elastic members 16 is fixing with elongation state configuration from drosal part B to crotch C, by their contraction, forms leg creases at leg opening portion LO circumference.Additionally, in diaper 1, leg elastic members 16,16 is cut off at the width central part of crotch C respectively, is split by left and right.
In the joint of edge, both sides B1, B2 of edge, both sides A1, A2 and drosal part B of veutro portion A, elastomeric element 14,15,16 between outer layer sheet 12, internal layer sheet material 13 and these sheet materials 12,13, by including the heat-sealing of the bonding agent of hot melt adhesive etc., high frequency sealing, ultrasonic sealing function, it is bonded with each other, forms side seal portion S, S (with reference to Fig. 1) of diaper 1.In side seal portion S, many waist elastic members 14, many waist portion elastomeric elements 15 and Duo Gen leg elastic members 16 solidify with elongation state respectively, become with the elastomeric element 14,15,16 of elongation state solidification and do not manifest inotropic state (with reference to Fig. 3), at this, " solidification " refers to that the side seal portion S of diaper 1 is not subject to the contractility impact of elastomeric element 14,15,16, it does not have the state of bending.Additionally, as it is shown on figure 3, the width of side seal portion S does not shrink, become substantially certain width, improve the aesthetic appearance of side seal portion S and soft sense of touch excellence.
Then, for the situation manufacturing above-mentioned Breeches type disposable diaper 1, the preferred implementation of the manufacture method of the pants-type wearing garments of the present invention is described with reference to Fig. 4～Fig. 5.
Fig. 4 is the figure of the processing unit (plant) 7A being suitable in the manufacture method of the diaper 1 being shown schematically in the first embodiment.
As shown in Figure 4, processing unit (plant) 7A include the first～the 3rd sealing roller 71,72,73, the backing roll 75 of cooling nozzle 6 and product cutting roller 74 and these rollers 71～74 and cooling nozzle 6 relative configuration.That is, on processing unit (plant) 7A, relative to the side face 75a of same backing roll 75, configure successively the first～the 3rd sealing roller 71,72,73, cooling nozzle 6 and product cutting roller 74.So, processing unit (plant) 7A uses multiple sealing rollers.Cooling nozzle 6 is the compressed-air actuated position compressing air or cooling of injection room temperature.Each roller 71～74,75 controls rotary speed and heating-up temperature etc. by the processing unit (plant) 7A controlling organization (not shown) having, and is driven in rotation control respectively in the direction shown in the arrow of Fig. 4.
On sealing roller 71,72,73 the first～the 3rd, as shown in Figure 4, sealing block 710,720,730 it is separately installed with.The sealing block 710 of the first sealing roller 71, in processing unit (plant) 7A, as shown in Figure 4, is being provided with 2 by the position of roller circumferential direction 2 decile.Each sealing block 710 has shape longer on the axial length direction of the first sealing roller 71.It is formed with 2 convex shaped parts (not shown) along axial length direction in the front end of each sealing block 710.The sealing block 720,730 of the second～the 3rd sealing roller 72,73 is also same with the sealing block 710 of the first sealing roller 71.Sealing block 710,720,730 controls heating-up temperature by the processing unit (plant) 7A above-mentioned controlling organization (not shown) having.Utilize a pair sealing portion S ', S ' that the support block 750 of 2 sealing blocks 710,720,730 and backing roll 75 defeated afterwards is sealed and formed, separated as described later, become the side seal portion S of diaper.Sealing surface at sealing block 710,720,730 is provided with multiple tiny protuberance, forms the pattern of sealing pattern at the side seal portion S of diaper.Additionally, sealing block 710,720,730, in processing unit (plant) 7A, it is separately installed with 2 relative to sealing roller 71～73, but is not limited to 2.
Cooling nozzle 6, as shown in Figure 4, configures in the way of relative with the side face 75a of backing roll 75.Cooling nozzle 6 becomes can to the structure of the broader scope injection tempering air of the width of the heat-sealing region HT formed than the diaper continuum 100 in doubling described later.Tempering air from cooling nozzle 6 injection, it is possible to the heat-sealing region HT interrupted injection accordingly of diaper continuum 100 described later, it is also possible to spray continuously.As long as it is all low that the temperature of tempering air constitutes each of the fusing point of fiber and softening point than strip of sheet material, it is possible to for room temperature.
When cooling down on identical device as processing unit (plant) 7A, by cooling down nozzle 6, tempering air sprays from the top of the support block 750 of backing roll 75 described later, therefore, when the temperature of air is too low, the temperature of support block 750 can be made to decline.Therefore, when cooling on identical device as processing unit (plant) 7A, by cooling down nozzle 6, tempering air is preferably room temperature temperature below, specifically, it will be preferred that less than 26 DEG C 0 DEG C of level above.
Additionally, when cooling down on identical device as processing unit (plant) 7A, it is also possible to backing roll 75 side from below cools down.At this point it is possible to cooling nozzle 6 from above always sprays cooling air, but the cooling air being preferred from lower section sprays from the moment that support block 750 is left at material so that will not cooling support block 750.
On product cutting roller 74, as shown in Figure 4, cutting edge 740 is installed.The cutting edge 740 of product cutting roller 74, in processing unit (plant) 7A, as shown in Figure 4, is being provided with 2 by the position of roller circumferential direction two decile.Each cutting edge 740 configures on the axial length direction of product cutting roller 74, cuts diaper continuum 100, is divided into single diaper 1.Cutting edge 740 is not temperature controlled, but can also pass through the processing unit (plant) 7A above-mentioned controlling organization (not shown) having as required and control temperature.Additionally, cutting edge 740 is in processing unit (plant) 7A, it is provided with 2 at product cutting roller 74, but is not limited to 2.
As shown in Figure 4, at backing roll 75, support block 750 is installed.The support block 750 of backing roll 75 is in processing unit (plant) 7A, as shown in Figure 4, the position of roller circumferential direction six decile is being provided with 6.Each support block 750 has shape longer on the axial length direction of backing roll 75.The front end 750a of each support block 750, as shown in Figure 4, can and the side face 75a of backing roll 75 be the same face (not having the flat condition of jump between the front end 750a and the side face 75a of backing roll 75 of support block 750), but, from refrigerating work procedure described later, the viewpoint that the molten condition constituting fiber of the strip of sheet material in the heat-sealing region HT of diaper continuum 100 solidifies effectively is made to set out, it is preferable that to be arranged in the position (with reference to Fig. 5) offset from the side face 75a side slightly inwards of backing roll 75.From such a viewpoint, in processing unit (plant) 7A, support block 750 can also be able to the side face 75a from backing roll 75 and lift to the inside or lift from interior lateral side face 75a.In this case, connecting Lift Part (not shown) in support block 750, the lifting timing of this Lift Part (not shown) is controlled by the processing unit (plant) 7A above-mentioned controlling organization (not shown) having.
Support block 750 controls heating-up temperature by the processing unit (plant) 7A above-mentioned controlling organization (not shown) having.Additionally, support block 750 is provided with 6 in processing unit (plant) 7A, but it is not limited to 6.
Support block 750 at 2 articles of convex shaped parts (not shown) of front-end configuration of sealing block 710,720,730 of the first～the 3rd sealing roller 71,72,73 and the support block 750 of backing roll 75, the cutting edge 740 of product cutting roller 754 and backing roll 75, control by above-mentioned controlling organization (not shown), as shown in Figure 4, along with the rotation of roller 71～74,75 periodically relatively.Therefore, the region in sealing region is defined in 2 protuberances (not shown) and support block 750 enforcement heat-sealing by the first sealing roller 71, repeat to implement heat-sealing in this sealing region by 2 convex shaped parts (not shown) of the second sealing roller 72 and backing roll 750, and then, repeat to implement heat-sealing in this sealing region by 2 articles of convex shaped parts (not shown) of the 3rd sealing roller 73 and support block 750, undertaken cutting to separate a pair sealing portion S ', S ' by the cutting edge 740 of product cutting roller 74 and support block 750.
In processing unit (plant) 7A, the support block 750 of backing roll 75, with the first～the 3rd sealing roller 71, 72, the sealing block 710 of 73, 720, 730 relative with the cutting edge 740 of product cutting roller 74 time, it is controlled by above-mentioned controlling organization (not shown), make to become the flat condition not having jump between the front end 750a of support block 750 and the side face 75a of backing roll 75, but, when the heat-sealing region HT from cooling nozzle 6 to diaper continuum 100 sprays tempering air, the control by above-mentioned controlling organization (not shown) of the support block 750 of backing roll 75, move to the inside from the side face 75a of backing roll 75.By carrying out such control, it is possible to cool down when making to be melted the sealing portion of heat-sealing region HT described later avoided by material, it is possible to be effectively formed sealing portion S ' described later, S '.In addition, in processing unit (plant) 7A, support block 750 is connected to Lift Part (not shown), but when not connecting Lift Part (not shown), from the same viewpoint, it is particularly preferred to support block 750 is fixed on the position being partial to inner side from the side face 75a of backing roll 75, but, support block 750 can also be fixed on the position of the side face 75a biased outward from backing roll 75, or fixes in the position smooth with side face 75a maintenance.
Additionally, processing unit (plant) 7A, as shown in Figure 4, there is the guide-in roller 76 importing on backing roll 75 by the continuum 100 of diaper 1.In processing unit (plant) 7A, in order to make the tension force importing to the conveying direction of the continuum 100 of the diaper 1 on backing roll 75 keep carrying definitely, it is provided with multiple suction holes (not shown) of the side face 75a that the continuum 100 of diaper 1 is adsorbed on backing roll 75 at the side face 75a of backing roll 75.Multiple suction holes (not shown) are connected with the attractor (not shown) being arranged in outside backing roll 75, and attractor (not shown) controls captivation by the processing unit (plant) 7A above-mentioned controlling organization (not shown) having.Processing unit (plant) 7A is provided with multiple suction hole (not shown), but suction hole (not shown) can also be replaced or together with suction hole (not shown), other mechanism being maintained on the side face 75a of backing roll 75 by the continuum 100 of diaper 1 is set, keeps carrying definitely by the tension force of the conveying direction of the continuum 100 of diaper 1.Can enumerate can have (not shown) from the maintenance of the side face 75a of the backing roll 75 a pair suspension hook shape lifted to the inside or laterally as other mechanism.(not shown) is had by arranging the maintenance of such suspension hook shape, the both sides of the conveying direction of the continuum 100 of diaper 1 can be gripped by the side face 75a of the front end that a pair is hung hook-like assembly unit and backing roll 75, the continuum 100 of diaper 1 is maintained on the side face 75a of backing roll 75, it is possible to the tension force of the conveying direction of the continuum 100 of diaper 1 is remained and carries definitely.Maintenance tool (not shown) of suspension hook shape controls the timing of lifting by the processing unit (plant) 7A above-mentioned controlling organization (not shown) having.
And, processing unit (plant) 7A, as shown in Figure 4, on the side face 75a of backing roll 75 and after product cutting roller 74, it is provided with product reverse engine 77.Product reverse engine 77 has multiple adsorption head (not shown) adsorbed respectively by diaper 1 after being cut by the cutting edge 740 of product cutting roller 74 at its side face.When there is packaging process as the rear operation of processing unit (plant) 7A, each adsorption head (not shown) can in the way of coordinating with the conveying direction of packaging process, together with rotation with product reverse engine 77, in the axle week vertical with the adsorption plane of adsorption head (not shown), the diaper 1 adsorbed is made to reverse 90 °.
The above-mentioned controlling organization (not shown) that processing unit (plant) 7A has, first～the 3rd sealing roller 71 controlled as described above, 72,73, product cutting roller 74 and the rotary speed of backing roll 75, sealing block 710,720,730, the heating-up temperature of cutting edge 740 and support block 750, and control the timing of the lifting of the captivation of the attractor (not shown) that suction hole (not shown) connects and/or maintenance tool (not shown) of suspension hook shape.Additionally, the above-mentioned controlling organization (not shown) that processing unit (plant) 7A has, as it has been described above, when having elevating mechanism, control the lifting timing of the support block 750 of backing roll 75.Above-mentioned controlling organization (not shown) has: substantially control the CPU such as microcomputer overall for processing unit (plant) 7A；The ROM of the necessary fix information of the control program that storage is performed by this CPU, various data etc.；The RAM that working region when processing as this CPU execution uses；Operator's input equipment etc. of this numerical control device.Thus, the processing conditions of the separation circuit described later of the processing conditions in the sealing operation described later of the first～the 3rd sealing roller 71,72,73 and use product cutting roller 74 is used, it is possible to be independently adjustable processing conditions.Additionally, the lifting timing of maintenance tool (not shown) of the timing of the synchronization of each roller or suspension hook shape, it is possible to by using the mechanism of servomotor, cam mechanism, gear and Timing Belt etc. to be formed.
Illustrate using the above-mentioned processing unit (plant) 7A manufacture method manufacturing Breeches type disposable diaper 1.
The manufacture method of the Breeches type disposable diaper 1 of the first embodiment, as shown in Figure 6, manufacture method for the Breeches type disposable diaper of so-called crossing current mode, use processing unit (plant) 7A, continuum by the enclosure 11 of two foldings (doubling), in the conveying direction across the interval of regulation, with elastomeric element 14, 15, the state of 16 elongations, the composition fibers melt of the strip of sheet material of enclosure 11 is sealed, sealing portion S ' is formed at heat-sealing region HT, by by sealing and the pressure cooling of melted composition fiber, with elastomeric element 14, 15, the state of 16 elongations, cooling heat-sealing region HT, sealing portion S ' is separated at heat-sealing region HT, form the diaper 1 with side seal portion S.Hereinafter, it is specifically described.
First, as shown in Figure 6, between the outer layer sheet 12 rolling up (not shown) banding of supply continuously from blank and the internal layer sheet material 13 rolling up (not shown) banding of supply continuously from blank, the waist elastic members 14 of waist gauffer will be formed, form the waist portion elastomeric element 15 of waist portion gauffer and form the leg elastic members 16 of leg creases, multiple with the elongation state configuration that elongation is the percentage elongation of regulation.Now, waist elastic members 14 and waist portion elastomeric element 15 continuously or intermittently apply hot melt adhesive by adhesive applicating machine (diagram is slightly), leg elastic members 16 by with the flow direction of sheet material reciprocating known swing guide member orthogonally (diagram slightly), formed regulation lower limb week pattern and configure.In addition, on the outer layer sheet 12 of banding and the internal layer sheet material 13 of banding, before they are overlapped, the predetermined portion in relative face either one or two sides of two sheet materials, specifically, comprising and the region at position corresponding for heat-sealing region HT described later and the region corresponding with the position of configuration absorbent main body 10 described later, by adhesive applicating machine (diagram is slightly) coating hot melt adhesive 8 off and on.
Then, as shown in Figure 6, between a pair niproll 9,9, send into and clip the outer layer sheet 12 of banding of waist elastic members 14, waist portion elastomeric element 15 and leg elastic members 16 with elongation state and the internal layer sheet material 13 of banding pressurizes, be thus formed between strip of sheet material 12,13 with elongation state being configured with the continuum (formation process of the continuum of enclosure 11) of the enclosure 11 of many elastomeric elements 14,15,16.Thereafter, in first embodiment, use elastomeric element pre-cutting mechanism (not shown), many waist portion elastomeric elements 15 and Duo Gen leg elastic members 16 is pressed accordingly with the position of configuration absorbent main body 10 described later, it is cut to respectively multiple so that contractile function can not be manifested.As elastomeric element pre-cutting mechanism (not shown), for instance the elastomeric element cutting portion etc. used in the manufacture method of the composite extensible member recorded in Japanese Unexamined Patent Publication 2002-253605 publication can be enumerated.
Then, as shown in Figure 6, the absorbent main body 10 manufactured in other operations is pre-coated with the bonding agents such as hot-melt adhesive, make its 90-degree rotation, be supplied to off and on enclosure 11 continuum internal layer sheet material 13 on and fix, formed diaper 1 continuum (continuum of articles for wearing) 100 (arrangement step of absorbent main body).Hereinafter, the continuum continuum 100 also referred to as diaper 1 of absorbent main body 10 will be fixed with on the continuum of enclosure 11.It addition, fixing bonding agent can not also be coated in and be applied on inner layer piece material 13 in absorbent main body 10.
Then, as shown in Figure 6, the inner side of the annulus surrounded by leg elastic members 16 ring-type in being configured with the continuum of enclosure 11 of absorbent main body 10 forms leg hole LO ' (leg hole formation process).Leg hole formation process uses the method same with the method in the manufacture method of existing this kind of article such as circumgyration incision, cut to carry out.Additionally, in the first embodiment, be provided with leg hole formation process after the arrangement step of absorbent main body, but leg hole formation process can also be arranged before the arrangement step of absorbent main body 10.
Then, as shown in Figure 6, carry out, in the way of the both sides of the conveying direction of the continuum of enclosure 11 are overlapping, overlap (coincidence operation).In the coincidence operation of the first embodiment, in the way of the both ends of the length direction of absorbent main body 10 are folded each other coincidence, after the both sides of the continuum of enclosure 11 are folded into, by the continuum of enclosure 11 and absorbent main body 10 doubling.It addition, when absorbent main body 10 is offset to veutro portion A etc. in Breeches type disposable diaper 1, the both ends of the length direction of absorbent main body 10 can not also coincide with one another.In addition it is also possible to make the outer layer sheet 12 of banding identical with the width of the internal layer sheet material 13 of banding, the both sides of the continuum of enclosure 11 are not folded into.
Thereafter, use processing unit (plant) 7A, by the continuum (continuum 100 of diaper 1) of the enclosure 11 of doubling, in the conveying direction across predetermined distance, state with elastomeric element 14,15,16 elongation, make the composition fibers melt of the strip of sheet material 12,13 of enclosure 11 seal, form sealing portion S ', S ' (sealing operation) at heat-sealing region HT.Hereinafter sealing operation is specifically described.As shown in Figure 4, the continuum 100 of the diaper 1 of doubling is imported on backing roll 75 by guide-in roller 76.Import to the continuum 100 of diaper 1 on backing roll 75, have (not shown) by the maintenance of the suction hole (not shown) of the side face of backing roll 75 and/or a pair suspension hook shape, be maintained on the side face of backing roll 75.Then, by the rotation of backing roll 75, the tension force of the conveying direction of the continuum 100 of diaper 1 is kept the continuum 100 carrying diaper 1 definitely.
Then, as shown in Figure 4 so that backing roll 75 rotates, the continuum 100 of diaper 1 is transported between sealing block 710 and the support block 750 of backing roll 75 of the first sealing roller 71.Then, when making elastomeric element 14,15,16 extend, utilize sealing block 710 and support block 750,2 outer layer sheets 12 overlapped and 2 internal layer sheet materials 13 are sealed, make each composition fibers melt of outer layer sheet 12 and internal layer sheet material 13, seal region HT first and form sealing portion S ', S '.
Then, in the first embodiment, as shown in Figure 4, will be formed with the continuum 100 of the diaper 1 of the first heat-sealing region HT and be maintained on the side face of backing roll 75, so that the state of elastomeric element 14,15,16 elongation, rotationally support roller 75, be transported between sealing block 720 and the support block 750 of backing roll 75 of the second sealing roller 72.Then, so that the state of elastomeric element 14,15,16 elongation, utilizing sealing block 720 and support block 750, heat-sealing seals, first, 2 outer layer sheets 12 and 2 internal layer sheet materials 13 that overlap in the HT of region further, seals region HT second and forms sealing portion S ', S '.Sealing portion S ', the S ' of the first heat-sealing region HT is preferably roughly the same with the size of the second heat-sealing sealing portion S ' of region HT, S '.So, the continuum 100 of the diaper 1 being formed with the first heat-sealing region HT maintains the state being maintained on the side face of backing roll 75, the tension force making the conveying direction of the continuum 100 of diaper 1 is certain, therefore, the first heat-sealing region HT and the second is easily made to seal region HT consistent, it is easier to obtain sufficient sealing strength by sealing.
Further, in first embodiment, as shown in Figure 4, will be formed with the continuum 100 of the diaper 1 of the second heat-sealing region HT and be maintained on the side face of backing roll 75, when making elastomeric element 14,15,16 extend, make backing roll 75 rotate, be transported between sealing block 730 and the support block 750 of backing roll 75 of the 3rd sealing roller 73.Then, when making elastomeric element 14,15,16 extend, utilize sealing block 730 and support block 750, again seal and seal, second, 2 outer layer sheets 12 and 2 inner layer piece 13 materials that overlap in the HT of region, seal region HT the 3rd and form sealing portion S ', S '.The first heat-sealing sealing portion S ' of region HT, S ', the second heat-sealing sealing portion S ', S ' of region HT and the 3rd heat-sealing sealing portion S ' of region HT, the respective size of S ' are preferably roughly the same.So, it is formed with the continuum 100 that the first heat-sealing region HT and the second seals the diaper 1 of region HT, maintain the state being maintained on the side face of backing roll 75, the tension force of the conveying direction of the continuum 100 of diaper 1 is kept certain, therefore, easily make the first heat-sealing region HT, the second heat-sealing region HT and the three heat-sealing region HT consistent, it is possible to pass more readily heat-sealing and obtain sufficient sealing strength.Additionally, form the period of the first～the 3rd heat-sealing region HT, when there is Lift Part (not shown) in the first embodiment, it is preferable that become the flat condition not having jump before the front end 750a of the support block 750 and side face 75a of backing roll 75.
Then, force to be cooled through the composition fiber sealed and melt, when elastomeric element 14,15,16 extends, heat-sealing region HT is cooled down (refrigerating work procedure).Refrigerating work procedure uses the cooling nozzle 6 of ejection tempering air, the above-mentioned heat-sealing region HT blow out air on the heat-sealing block being arranged in above-mentioned roller.Cooling in refrigerating work procedure proceeds to the state so that sealing portion S ', S ' solidify.Whether realize solidifying by refrigerating work procedure, it is possible to become, by the side seal portion S of diaper 1, the contractility withstanding elastomeric element 14,15,16 and judge without folding state.Detailed description below.As shown in Figure 4, the continuum 100 of the diaper 1 being formed with the 3rd heat-sealing region is maintained on the side face of backing roll 75, with the state of elastomeric element 14,15,16 elongation so that backing roll 75 rotates, is transported between cooling nozzle 6 and the support block 750 of backing roll 75.In first embodiment, when there is Lift Part (not shown), backing roll 75 is preferably made to rotate, when the continuum 100 of diaper 1 being transported between cooling nozzle 6 and the support block 750 of backing roll 75, by Lift Part (not shown), the front end 750a of support block 750 is moved to the inside from the side face 75a of backing roll 75.
Cool down in the heat-sealing region HT formed between nozzle 6 and the support block 750 of backing roll 75, by the heat-sealing of the support block 750 sealing block 710,720,730 and backing roll 75 of sealing roller 71,72,73 being transported to, when elastomeric element 14,15,16 extends, outer layer sheet 12 and the respective composition fibers melt of internal layer sheet material 13.To so melted composition fiber, from cooling down nozzle 6, tempering air blowing to the heat-sealing region HT support block 750, melted outer layer sheet 12 and the respective composition fiber of internal layer sheet material 13 are forced cooling, form sealing portion S ', S '.As mentioned above, the continuum 100 of diaper 1 is maintained on the side face of backing roll 75, elastomeric element 14,15,16 is elongation state, therefore, when the composition fiber forcing cooling to melt, the contraction of elastomeric element 14,15,16 can be prevented effectively from, when elastomeric element 14,15,16 extends, it is possible to sealing portion S ', the S ' after formation composition is fiber solidifying.Particularly, when first embodiment has Lift Part (not shown), as mentioned above, the front end 750a of preferred support block 750 is positioned at the inner side of the side face 75a of backing roll 75, and tempering air blows to the continuum 100 of the diaper 1 of the state left of the front end 750a from support block 750 from cooling nozzle 6.When blowing out like this, the melted cooling effectiveness constituting fiber is high, it is possible to is effectively formed when elastomeric element 14,15,16 extends and constitutes fiber solidifying sealing portion S ', S '.Additionally, the region ST shown in Fig. 4 represents the region blowing out tempering air from cooling nozzle 6.As shown in Figure 4, region HT is consistent with the width of region ST in heat-sealing, but can also width difference.
Then, separate sealing portion S ', S ' at heat-sealing region HT, form the Breeches type disposable diaper 1 (separation circuit) with side seal portion S.Hereinafter separation circuit is specifically described.As shown in Figure 4, will be formed with the continuum 100 of the diaper 1 of sealing portion S ', S ' to be maintained under the state on the side face of backing roll 75, make backing roll 75 rotate, be transported between the cutting edge 740 of product cutting roller 74 and the support block 750 of backing roll 75.When first embodiment has Lift Part (not shown), backing roll 75 is made to rotate, when the continuum 100 of diaper 1 is transported between the cutting edge 740 of product cutting roller 74 and the support block 750 of backing roll 75, support block 750 is made to increase by Lift Part (not shown), it is preferable that to become the flat condition not having jump between the side face 75a of front end 750a and backing roll 75.Then, utilize cutting edge 740 and support block 750, in the conveying direction substantial middle position of heat-sealing region HT a pair sealing portion S ', S ' to be easily separated in the way of being divided into two, it is formed continuously the Breeches type disposable diaper 1 including that there is the enclosure 11 of a pair side seal portion S, S.So, it is formed with the continuum 100 of the diaper 1 of sealing portion S ', S ', maintain the state being maintained on the side face of backing roll 75, the tension force of the conveying direction of the continuum 100 of diaper 1 is kept certain, therefore, easily at the conveying direction middle position laminating cutting edge 740 of a pair sealing portion S ', S ', it is easy to form side seal portion S, S that left and right is impartial.
In the manufacture method of the first embodiment, sealing operation, refrigerating work procedure and separation circuit, when the tension force of the conveying direction of the continuum (continuum 100 of diaper 1) of enclosure 11 keeps certain, namely keep carrying out when the continuum of enclosure 11 on same backing roll 75.Specifically, the continuum of the enclosure 11 of doubling is imported on backing roll 75, by sealing operation, the composition fibers melt of strip of sheet material 12,13 is sealed, afterwards, force to cool down melted composition fiber by refrigerating work procedure continuously on backing roll 75, afterwards, then on backing roll 75, be formed continuously diaper 1 by separation circuit continuously.So, carry out when the continuum of enclosure 11 is maintained on same backing roll 75, it is easy to make sealing portion S ', S ' the difference as one man overlap utilizing the first heat-sealing sealing portion S ' of region HT of support block 750 formation sealing block 710,720,730 and backing roll 75 of first, second, third sealing roller 71,72,73, S ', the second sealing portion S ', S ' and the 3rd sealing region HT to seal region HT.In addition, carry when tension force keeps certain, in elastomeric element 14,15,16 elongation under a degree of state, utilize cooling nozzle 6 that tempering air blows to the heat-sealing region HT sealed on block in the ST of region, form the sealing portion S ', the S ' that constitute fiber that have cured molten condition.So, form the sealing portion S ', the S ' that solidify when elastomeric element 14,15,16 extends, therefore sealing portion S ', S ' not easily deform due to the contractility of elastomeric element 14,15,16, it is possible to produce the Breeches type disposable diaper 1 of side seal portion S, the S with excellent appearance.In the diaper 1 so produced, the sealing strength of side seal portion S, S is abundant, and the outward appearance of side seal portion S, S and sense of touch are excellent.Particularly, in the first embodiment, sealing operation, refrigerating work procedure and separation circuit carry out on same roller 75, therefore easily carry out the location of each manufacturing procedure.Additionally, easily make the tension force of the conveying direction of the continuum (continuum 100 of diaper 1) of enclosure 11 keep certain, the sealing strength of side seal portion S, S is abundant, it is easy to manufacture the outward appearance of side seal portion S, S and the Breeches type disposable diaper 1 that sense of touch is excellent.
In the manufacture method of the first embodiment, sealing operation, refrigerating work procedure and separation circuit carry out when the continuum (continuum 100 of diaper 1) of enclosure 11 is fixed on same backing roll 75, therefore, " the sliding (position skew) " of backing roll and material is not susceptible to, easily become the state that the tension force of conveying direction is certain, additionally, easily maintain the elongation state of elastomeric element 14,15,16, therefore, it is possible to make the processing of heat-sealing region HT stablize.In other words, when forming sealing portion S ', S ', it is not easily susceptible to the contractility of elastomer and the impact of conveyance tension, until the sealing interface solidification of molten condition can both remain stable for state, sealing portion S ', S ' intensity stabilization, further, it is possible to maintenance solidifies with making the state of the material elongation of molten condition, therefore improve the sense of touch of sealing portion S ', S '.
Hereinafter, based on preferably the second embodiment, it is described with reference to the manufacture method of the pants-type wearing garments of the present invention.
The Breeches type disposable diaper manufactured by the manufacture method of the second embodiment is identical with the Breeches type disposable diaper 1 manufactured by the manufacture method of the first embodiment.
Fig. 7 is the figure schematically showing the processing unit (plant) 7B being suitable in the manufacture method of the second embodiment.
The processing unit (plant) 7B used in second embodiment is illustrated and different for the processing unit (plant) 7A point of use in the first embodiment.The point being not particularly illustrated is same with processing unit (plant) 7A, is suitable for using the explanation of processing unit (plant) 7A.Additionally, accompanying drawing labelling in Fig. 7, the part mark identical with Fig. 4 is identical.
Processing unit (plant) 7B, as shown in Figure 7, the first～the 3rd sealing roller 71,72,73 and with the first～the 3rd sealing roller 71,72,73 relative configuration backing roll 75 outside, also there is chill roll 61 and roller 62, a pair product cutting roller 74 and the metal plain-barreled roll 78 of pair of metal.
In the backing roll 75 that processing unit (plant) 7B has, support block 750 is fixed on backing roll 75, at the respective front end 750a of 6 support block 750 that the position of roller circumferential direction 6 decile is installed, as it is shown in fig. 7, and the side face 75a of backing roll 75 be configured to the same face (not having the flat condition of jump between the front end 750a and the side face 75a of backing roll 75 of support block 750).
The chill roll 61 of the pair of metal that processing unit (plant) 7B has and roller 62, for carrying out forcing the parts of cooling to the fiber that constitutes of the molten condition in heat-sealing region HT.Chill roll 61, roller 62 are respectively provided with the width of the whole width of the diaper continuum 100 across doubling.The surface of chill roll 61 is minute surface, dot pattern etc., uses respectively according to purpose.As long as the bonding agent such as hot melt that the Facing material of roller 62 has carried out using in the formation of diaper continuum 100 is difficult to the surface treatment adhered to, can think that metal can also be resin, as long as there being refrigerating function.When the top layer of roller 62 is resin, as resin, selected from natural rubber, isoprene rubber, butadiene rubber, SBR styrene butadiene rubbers, ethylene-propylene rubber, nitrile rubber, polyurethane rubber, silicon cave rubber etc..Its hardness is used flexibly according to purpose.Assemblage gap guiding mechanism (not shown) between chill roll 61 and roller 62, adjusts press force.
Processing unit (plant) 7B, has a pair niproll 63,63 at the chill roll 61 of pair of metal and the upstream side of roller 62, also has a pair niproll 64,64 in downstream.By niproll 63,63 and niproll 64,64, between chill roll 61 and roller 62, it is possible to the tension force adjusting the conveying direction of the continuum 100 of diaper 1 carries the continuum 100 of diaper 1.Chill roll 61 and roller 62 and roll 63,64, control rotary speed by the processing unit (plant) 7B controlling organization (not shown) having, rotate driving control respectively in the direction shown in the arrow of Fig. 7.
A pair product cutting roller 74 that processing unit (plant) 7B has and metal plain-barreled roll 78, the cutting edge 740 utilizing product cutting roller 74 separates sealing portion S ', S ' at heat-sealing region HT, forms the Breeches type disposable diaper 1 including having the enclosure 11 of a pair side seal portion S, S.
Then, to using the above-mentioned processing unit (plant) 7B method manufacturing Breeches type disposable diaper to illustrate.The point being not particularly illustrated in second embodiment is suitable for being suitable for the explanation that the first embodiment describes in detail.
First, same with the first embodiment, form the continuum (continuum 100 of diaper 1) of the enclosure 11 of doubling.
Thereafter, use processing unit (plant) 7B, as shown in Figure 7, by the continuum 100 of the diaper 1 of doubling, import on backing roll 75 by guide-in roller 76, same with the first embodiment, by sealing block 710, support block 750, form sealing portion S ', the S ' of the first heat-sealing region HT, formed sealing portion S ', the S ' of the second heat-sealing region HT by sealing block 720 and support block 750, form the 3rd sealing portion S ', the S ' sealing region HT by sealing block 730 and support block 750.
Then, in this second embodiment, as shown in Figure 7, heat-sealing region HT on the side face being maintained at backing roll 75 is formed the continuum 100 of the diaper 1 of sealing portion S ', S ', utilize roller 79 to peel off from backing roll 75, a pair niproll 63,63 and a pair niproll 64,64 continuum 100 clamping diaper 1 is supplied between chill roll 61 and roller 62 from a pair niproll 63,63.
By being supplied between chill roll 61 and roller 62, it is forced cooling at sealing portion S ', outer layer sheet 12 melted for S ' and the respective composition fiber of internal layer sheet material 13, cools down when elastomeric element 14,15,16 extends, form sealing portion S ', S '.Additionally, the region ST shown in Fig. 7 represents by the region that chill roll 61 and roller 62 cool down.Heat-sealing region HT shown in Fig. 7 is consistent with region ST width, but can also width difference.So, form the sealing portion S ', the S ' that solidify when elastomeric element 14,15,16 extends, therefore sealing portion S ', S ' are not easily along with the contractility of elastomeric element 14,15,16 deforms, it is possible to manufacture the Breeches type disposable diaper 1 of sealing portion S, the S with excellent appearance.The tension force of the conveying direction of the continuum 100 of the diaper 1 when utilizing niproll 63 and niproll 64 to be supplied between chill roll 61 and roller 62, as long as be able to maintain that the tension force of the elongation state of elastomeric element 14,15,16, but if being maintained on the side face of backing roll 75 and make more than the tension force that elasticity of elongation parts 14,15,16 extend, the sealing portion S ' that then formed, the excellent appearance of S ', from this viewpoint preferably.
Then, in this second embodiment, as it is shown in fig. 7, heat-sealing region HT is formed between cutting edge 740 and the plain-barreled roll 78 of the product cutting roller 74 that continuum 100 is transported to and backing roll 75 is provided separately of the diaper 1 of sealing portion S ', S '.Then, utilize cutting edge 740 and plain-barreled roll 78, in the conveying direction substantial middle position of heat-sealing region HT, a pair sealing portion S ', S ' are separated in the way of being divided into two, manufacture the Breeches type disposable diaper 1 including there is the enclosure 11 of a pair side seal portion S, S.In the diaper 1 so produced, the sealing strength of side seal portion S, S is abundant, and the outward appearance of side seal portion S, S and sense of touch are excellent.
The manufacture method of the pants type absorptive article of the present invention, is not limited to above-mentioned first, second embodiment, it is possible to carry out suitable change.
Such as, the Breeches type disposable diaper 1 manufactured by above-mentioned embodiment, its enclosure 11 longitudinally central part is side's shrinking inwardly, at veutro portion A, drosal part B, crotch C continued presence, but, the pants type absorptive article manufactured by the manufacture method of the pants type absorptive article of the present invention, it is also possible to for having the Breeches type disposable diaper of the segmentation enclosure of the dorsal sheet member being divided into the sternopleurite parts being arranged in veutro portion A and be arranged in drosal part B.
There is the manufacture method of the Breeches type disposable diaper of segmentation enclosure, as shown in Figure 8, between the outer layer sheet 12 and the internal layer sheet material 13 of banding of banding, it is respectively configured many waist elastic members 14 and waist portion elastomeric element 15 with the elongation state that elongation is the percentage elongation of regulation.Now, in waist elastic members 14 and waist portion elastomeric element 15, by adhesive applicating machine (diagram is slightly) at assigned position coating configuration hot melt adhesive.In addition, on the outer layer sheet 12 of banding and the internal layer sheet material 13 of banding, overlapping before them, on either one or the relative face of two sides of two panels, by adhesive applicating machine (diagram is slightly), including the region at the position corresponding with heat-sealing region HT and the region corresponding with the position of configuration absorbent main body 10, add coating hot melt adhesive 8 off and on.
Then, as shown in Figure 8, between a pair niproll 9,9, send into and clip the outer layer sheet 12 of banding of waist elastic members 14 and waist portion elastomeric element 15 with elongation state and the internal layer sheet material 13 of banding pressurizes, be thus formed in being configured with elongation state between strip of sheet material 12,13 continuum of many elastomeric elements 14,15.Then, by above-mentioned continuum, import between backer roll 91 and the backing roll 92 relative to the configuration of this backer roll 91 of protuberance that constitute elastomeric element pre-cutting mechanism, be formed with elastomeric element 14,15 cut-out at side face, carry out part pressurization and heating, thus the elastomeric element 14,15 at the position of configuration absorbent main body 10 is cut to multiple respectively so that it does not manifest contractile function.Additionally, the protuberance of backer roll 91 is corresponding to being cut to multiple positions respectively by elastomeric element 14,15, the side face of roller is partly configured with multiple.
Then, elastomeric element 14,15 is cut to multiple continuuies respectively, is utilized division mechanism 93, be divided into the continuum of 2 enclosure 11A, 11B.By splitting the continuum of 2 enclosure 11A of generation, 11B, use respectively as sternopleurite parts and dorsal sheet member.So, the continuum (formation process of the continuum of enclosure 11) being configured with the enclosure 11A of many elastomeric elements 14,15,11B between strip of sheet material 12,13 with elongation state is formed.
As division mechanism 93, can use can the various known shearing device of continuous cutting-off sheet material, such as, upstream side at the flow direction of sheet material has the device of cutting edge, has cylinder or discoid sickle, laser cutter, the High-Pressure Water sickle etc. of the blade of ring-type at side face or circumference.
Then, same with the embodiment shown in above-mentioned Fig. 6, the absorbent main body 10 produced by other operation is pre-coated with the bonding agents such as hot-melt adhesive, make its 90-degree rotation, be supplied to off and on enclosure 11 continuum internal layer sheet material 13 on and fix, formed diaper 1 continuum 100 (arrangement step of absorbent main body).Then, as shown in Figure 8, in the way of the both sides of the continuum of enclosure 11A and the respective conveying direction of the continuum of enclosure 11B are overlapping, (coincidence operation) is overlapped.In the coincidence operation of present embodiment, by coincidence of a folding in the way of the both ends of the length direction of absorbent main body 10, respective for the continuum of the continuum of enclosure 11A and enclosure 11B both sides are overlapping, doubling afterwards, makes the both sides of the both sides of the continuum of enclosure 11A and the continuum of enclosure 11B overlap.In addition it is also possible to make the outer layer sheet 12 of banding identical with the width of the internal layer sheet material 13 of banding, the sidepiece of the continuum of enclosure 11A and the continuum of enclosure 11B is folded into, the both ends of the not folded length direction coinciding with absorbent main body 10.
Thereafter, same with the embodiment shown in above-mentioned Fig. 6, through sealing operation, refrigerating work procedure, separation circuit, manufacture the Breeches type disposable diaper of the segmentation enclosure with the dorsal sheet member being divided into the sternopleurite parts being arranged in veutro portion A and be arranged in drosal part B.
In addition, such as, in above-mentioned first, second embodiment, utilize sealing block 710, support block 750, form the first heat-sealing region HT, utilize sealing block 720, support block 750 to form the second heat-sealing region HT, sealing block 730, support block 750 is utilized to form the 3rd heat-sealing region HT, but it is also possible to only form once heat-sealing region HT, or form more heat-sealing region HT.
Additionally, such as, in above-mentioned embodiment, sealing roller uses 2, but is not limited to this, it is also possible to be 1, it is also possible to be 3 of more than 2.When sealing reliably can be carried out, it is preferred to use multiple.
In addition, above-mentioned first, second embodiment manufactures Breeches type disposable diaper 1, but, the manufacture method of the pants type absorptive article of the present invention, except Breeches type disposable diaper, apply also for manufacture pants type sanitary napkin, pants type incontinence pad, apply also for the manufacture of other pants-type wearing garments without the sanitary shorts of absorbent main body or absorbent core, disposable underclothes etc. further.Additionally, in above-mentioned embodiment, manufacture the Breeches type disposable diaper 1 of the enclosure 11 longitudinally central part inwardly shape of side's shrinking, but it is also possible to manufacture the Breeches type disposable diaper that enclosure 11 is separated at the dorsal part of wearer and the veutro of wearer.
Above-mentioned embodiment also discloses the manufacture method of following pants-type wearing garments.
<1>manufacture method of a kind of pants-type wearing garments, it manufactures the pants-type wearing garments including having the enclosure in a pair side seal portion continuously,
Between strip of sheet material, the continuum of the above-mentioned enclosure of many elastomeric elements will be configured with elongation state, overlaps in the way of the both sides of the conveying direction of the continuum of this enclosure are overlapping, include after this:
Sealing operation, by the continuum of the above-mentioned enclosure of coincidence, in the conveying direction across the interval of regulation, when above-mentioned elastomeric element extends, makes the composition fibers melt of the above-mentioned strip of sheet material of this enclosure seal, and forms sealing portion in heat-sealing region；
Refrigerating work procedure, carries out forcing cooling to the above-mentioned composition fiber melted by sealing, when above-mentioned elastomeric element extends, above-mentioned heat-sealing region is cooled down；With
Separation circuit, in the above-mentioned sealing portion of above-mentioned heat-sealing region disconnecting, forms the above-mentioned pants-type wearing garments with above-mentioned side seal portion.
<2>manufacture method of the pants-type wearing garments recorded such as above-mentioned<1>, wherein,
Above-mentioned sealing operation, above-mentioned refrigerating work procedure and above-mentioned separation circuit, carry out when the tension force of the conveying direction of the continuum of above-mentioned enclosure keeps certain.
<3>manufacture method of the pants-type wearing garments recorded such as above-mentioned<2>, wherein,
Above-mentioned sealing operation, above-mentioned refrigerating work procedure and above-mentioned separation circuit carry out on same roller.
<4>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<3>, wherein,
The continuum of the above-mentioned enclosure overlapped is imported on backing roll, the composition fibers melt of above-mentioned strip of sheet material is made to seal by above-mentioned sealing operation, afterwards, carry out forcing cooling to melted above-mentioned composition fiber by above-mentioned refrigerating work procedure continuously on this backing roll, afterwards, and then continuously on this backing roll above-mentioned pants-type wearing garments is formed by above-mentioned separation circuit.
<5>manufacture method of the pants-type wearing garments recorded such as above-mentioned<3>or<4>, wherein,
Above-mentioned refrigerating work procedure uses the cooling nozzle of ejection tempering air, the above-mentioned heat-sealing region blow out air on the heat-sealing block being configured at above-mentioned roller.
<6>manufacture method of the pants-type wearing garments recorded such as above-mentioned<5>, wherein,
The front end of above-mentioned heat-sealing block is positioned at the inner side of the side face of above-mentioned roller, and tempering air blows to the continuum of the above-mentioned enclosure of the state of the front end leaving this heat-sealing block from above-mentioned cooling nozzle.
<7>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<6>, wherein,
Carry out the cooling in above-mentioned refrigerating work procedure so that sealing portion becomes solid state.
<8>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<7>, wherein,
Above-mentioned sealing operation, above-mentioned refrigerating work procedure and above-mentioned separation circuit use processing unit (plant) to carry out, this processing unit (plant) includes sealing roller, cooling nozzle and product cutting roller and the backing roll with these rollers and cooling nozzle relative configuration, relative to the side face of this backing roll, it is configured with sealing roller, cooling nozzle and product cutting roller successively.
<9>manufacture method of the pants-type wearing garments recorded such as above-mentioned<8>, wherein,
Use multiple above-mentioned sealing roller.
<10>manufacture method of the pants-type wearing garments recorded such as above-mentioned<8>or<9>, wherein,
Above-mentioned sealing roller is separately installed with sealing block, is formed with 2 convex shaped parts in the front end of this sealing block along the axial length direction of above-mentioned sealing roller.
<11>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<10>, wherein,
Above-mentioned cooling nozzle configures in the way of relative with the side face of backing roll, and this cooling nozzle can to the width wider width area spray tempering air in the above-mentioned heat-sealing region formed than the continuum in above-mentioned enclosure.
<12>manufacture method of the pants-type wearing garments recorded such as above-mentioned<11>, wherein,
The temperature of above-mentioned tempering air constitutes each of the fusing point of fiber and softening point lower than strip of sheet material.
<13>manufacture method of the pants-type wearing garments recorded such as above-mentioned<12>, wherein,
Above-mentioned tempering air is less than 26 DEG C more than 0 DEG C.
<14>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<13>, wherein,
Above-mentioned backing roll is provided with multiple suction holes of the side face that the continuum of above-mentioned enclosure is adsorbed in this backing roll or keeps the holding member of continuum of this enclosure on the side face of this backing roll.
<15>manufacture method of the pants-type wearing garments recorded such as above-mentioned<14>, wherein,
Import to the continuum of above-mentioned enclosure on above-mentioned backing roll, be maintained on the side face of this backing roll by the above-mentioned suction hole of the side face of this backing roll and/or above-mentioned holding member.
<16>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<15>, wherein,
At above-mentioned backing roll, support block is installed.
<17>manufacture method of the pants-type wearing garments recorded such as above-mentioned<16>, wherein,
The front end of above-mentioned support block becomes the flat condition not having jump between the side face of above-mentioned backing roll, or is arranged in the inner side of the side face of this backing roll.
<18>manufacture method of the pants-type wearing garments recorded such as above-mentioned<16>or<17>, wherein,
Above-mentioned support block can lift to the inside from the side face of above-mentioned backing roll or lift from interior lateral side face.
<19>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<16>～<18>, wherein,
The front end of above-mentioned support block is positioned at the inner side of the side face of above-mentioned backing roll, and tempering air blows to the continuum of the above-mentioned enclosure of the state of the front end leaving this support block from above-mentioned cooling nozzle.
<20>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<19>, wherein,
Periodically relative in the rotation along with each roller of 2 convex shaped parts and the support block of above-mentioned backing roll of front-end configuration of sealing block of above-mentioned sealing roller, further, the rotation along with each roller of the cutting edge of product cutting roller and this support block of this backing roll and periodically relative.
<21>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<20>, wherein,
There is multiple above-mentioned sealing roller, the region in above-mentioned sealing region it is formed with in the support block enforcement heat-sealing of the convex shaped part and above-mentioned backing roll that utilize the first sealing roller, utilize the convex shaped part of the second sealing roller and the support block of this backing roll to repeat to implement heat-sealing in this sealing region, and then utilize the convex shaped part of the 3rd sealing roller and the support block of this backing roll to repeat in this sealing region to implement heat-sealing.
<22>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<21>, wherein,
Above-mentioned processing unit (plant) is controlled, make when the support block of above-mentioned backing roll is relative with the cutting edge of the sealing block of above-mentioned sealing roller and product cutting roller, become, between this support block front end and side face of above-mentioned backing roll, the flat condition not having jump, and be controlled, making when tempering air is ejected into the above-mentioned heat-sealing region of continuum of above-mentioned enclosure from above-mentioned cooling nozzle, this support block of this backing roll moves to the inside from the side face of this backing roll.
<23>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<22>, wherein,
Above-mentioned processing unit (plant), has product reverse engine on the side face of above-mentioned backing roll and after product cutting roller, and this product reverse engine is provided with the adsorption head of multiple pants-type wearing garments adsorbed respectively after being cut by the cutting edge of this product cutting roller at its side face.
<24>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<23>, wherein,
Above-mentioned processing unit (plant), except having above-mentioned sealing roller and the above-mentioned backing roll that is oppositely disposed with this sealing roller, also has the chill roll of pair of metal and roller and a pair product cutting roller and metal plain-barreled roll.
<25>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<24>, wherein,
There is the arrangement step of absorbent main body, other operation the absorbent main body produced is supplied to off and on enclosure continuum internal layer sheet material on and fix, formed articles for wearing continuum.
<26>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<8>～<25>, wherein,
The continuum of above-mentioned enclosure is imported on above-mentioned backing roll, the composition fibers melt of above-mentioned strip of sheet material is made to seal by sealing operation, on this backing roll, by refrigerating work procedure, melted composition fiber is forced cooling continuously afterwards, afterwards, and then continuously on this backing roll it is formed continuously pants-type wearing garments by separation circuit.
<27>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<24>～<26>, wherein,
Upstream side at a pair above-mentioned metal chill roll and above-mentioned roller has a pair niproll, also has a pair niproll in downstream.
<28>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<27>, wherein,
Above-mentioned pants-type wearing garments is Breeches type disposable diaper, including: the absorbent main body of the absorbent core of the back-sheet with the face sheet of liquid permeability, opaque liquid or water-repellancy and the liquid retainability configured between two sheet materials；Be arranged in the back-sheet side of this absorbent main body and fix the above-mentioned enclosure of this absorbent main body.
<29>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<28>, wherein,
The sheet material of above-mentioned strip of sheet material is non-woven fabrics, is include hot-wind nonwoven cloth, hot-rolling non-woven fabrics, spun-laced nonwoven fabric, spun-bonded non-woven fabrics, the single sheet of melt spraying non-woven fabrics or laminated sheet.
<30>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<29>, wherein,
On above-mentioned strip of sheet material, before being overlapped, on either one or the relative face of two sides of two sheet materials, apply hot melt adhesive by adhesive applicating machine.
<31>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<30>, wherein,
Above-mentioned elastomeric element is that natural rubber, polyurethane based resin, the resinoid retractility raw material of polyurathamc are formed as wire (rubber covered wire) or the parts of banding (rubber flat rubber belting).
<32>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<31>, wherein,
Above-mentioned elastomeric element is waist elastic members, waist portion elastomeric element or leg elastic members.
<33>manufacture method of the pants-type wearing garments recorded such as above-mentioned<32>, wherein,
In above-mentioned waist elastic members and above-mentioned waist portion elastomeric element, continuously or intermittently apply hot melt adhesive by adhesive applicating machine.
<34>manufacture method of the pants-type wearing garments recorded such as above-mentioned<32>or<33>, wherein,
Above-mentioned leg elastic members by with the moving direction of sheet material reciprocating swing guide member orthogonally, formed regulation lower limb week pattern and configure.
<35>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<34>, wherein,
In the side seal portion of above-mentioned pants-type wearing garments, above-mentioned elastomeric element is cured with the state of elongation, becomes and does not manifest inotropic state.
<36>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<35>, wherein,
The width in the side seal portion of above-mentioned pants-type wearing garments does not shrink, and is shaped generally as certain width.
<37>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<36>, wherein,
The coincidence of the continuum of above-mentioned enclosure is, by the continuum of enclosure and absorbent main body doubling.
<38>manufacture method of the pants-type wearing garments recorded as any one of above-mentioned<1>～<36>, wherein,
The coincidence of the continuum of above-mentioned enclosure is, absorbent main body doubling, and the both sides of the continuum of the both sides becoming the continuum of the enclosure of sternopleurite parts and the enclosure becoming dorsal sheet member overlap.
Industrial utilizability
The manufacture method of the pants-type wearing garments according to the present invention, sufficient sealing strength can be obtained by heat-sealing, and in the region implementing heat-sealing, it is possible to be prevented effectively from the contraction of elastomeric element, manufacture the pants-type wearing garments in the side seal portion with outward appearance and sense of touch excellence.

Claims (37)

1. a manufacture method for pants-type wearing garments, it manufactures the pants-type wearing garments including having the enclosure in a pair side seal portion continuously, and the manufacture method of this pants-type wearing garments is characterised by:
Between strip of sheet material, the continuum of the described enclosure of multiple elastomeric element will be configured with elongation state, overlaps in the way of the both sides of the conveying direction of the continuum of this enclosure are overlapping, include after this:
Sealing operation, by the continuum of the described enclosure of coincidence, in the conveying direction across predetermined distance, when described elastomeric element extends, makes the composition fibers melt of the described strip of sheet material of this enclosure seal, and forms sealing portion in heat-sealing region；
Refrigerating work procedure, carries out forcing cooling to the described composition fiber melted by sealing, when described elastomeric element extends, described heat-sealing region is cooled down；With
Separation circuit, in sealing portion described in described heat-sealing region disconnecting, forms the described pants-type wearing garments with described side seal portion.
2. the manufacture method of pants-type wearing garments as claimed in claim 1, it is characterised in that:
Described sealing operation, described refrigerating work procedure and described separation circuit, carry out when the tension force of the conveying direction of the continuum of described enclosure keeps certain.
3. the manufacture method of pants-type wearing garments as claimed in claim 2, it is characterised in that:
Described sealing operation, described refrigerating work procedure and described separation circuit carry out on same roller.
4. the manufacture method of pants-type wearing garments as claimed in claim 3, it is characterised in that:
Described refrigerating work procedure uses the cooling nozzle of ejection tempering air, the described heat-sealing region blow out air on the heat-sealing block being configured at described roller.
5. the manufacture method of pants-type wearing garments as claimed in claim 4, it is characterised in that:
The front end of described heat-sealing block is positioned at the inner side of the side face of described roller, and tempering air blows to the continuum of the described enclosure of the state of the front end leaving this heat-sealing block from described cooling nozzle.
6. the manufacture method of pants-type wearing garments as claimed in claim 1, it is characterised in that:
Carry out the cooling in described refrigerating work procedure so that sealing portion becomes solid state.
7. the manufacture method of pants-type wearing garments as claimed in claim 1, it is characterised in that:
Described sealing operation, described refrigerating work procedure and described separation circuit use processing unit (plant) to carry out, this processing unit (plant) includes sealing roller, cooling nozzle and product cutting roller and the backing roll with these rollers and cooling nozzle relative configuration, relative to the side face of this backing roll, it is configured with sealing roller, cooling nozzle and product cutting roller successively.
8. the manufacture method of pants-type wearing garments as claimed in claim 7, it is characterised in that:
Use multiple described sealing roller.
9. the manufacture method of pants-type wearing garments as claimed in claim 7, it is characterised in that:
It is separately installed with sealing block at described sealing roller, is formed with 2 convex shaped parts in the front end of this sealing block along the axial length direction of described sealing roller.
10. the manufacture method of pants-type wearing garments as claimed in claim 7, it is characterised in that:
Described cooling nozzle configures in the way of relative with the side face of backing roll, and this cooling nozzle can to the width wider width area spray tempering air in the described heat-sealing region formed than the continuum in described enclosure.
11. the manufacture method of pants-type wearing garments as claimed in claim 10, it is characterised in that:
The temperature of described tempering air constitutes each of the fusing point of fiber and softening point lower than strip of sheet material.
12. the manufacture method of pants-type wearing garments as claimed in claim 11, it is characterised in that:
Described tempering air is less than 26 DEG C more than 0 DEG C.
13. the manufacture method of the pants-type wearing garments as according to any one of claim 7～12, it is characterised in that:
Described backing roll is provided with the holding member that the continuum of this enclosure is maybe maintained on the side face of this backing roll by multiple suction holes of the side face that the continuum of described enclosure is adsorbed in this backing roll.
14. the manufacture method of pants-type wearing garments as claimed in claim 13, it is characterised in that:
Import to the continuum of described enclosure on described backing roll, be maintained on the side face of this backing roll by the described suction hole of the side face of this backing roll and/or described holding member.
15. the manufacture method of the pants-type wearing garments as according to any one of claim 7～12, it is characterised in that:
At described backing roll, support block is installed.
16. the manufacture method of pants-type wearing garments as claimed in claim 15, it is characterised in that:
The front end of described support block becomes the flat condition not having jump between the side face of described backing roll, or is arranged in the inner side of the side face of this backing roll.
17. the manufacture method of pants-type wearing garments as claimed in claim 15, it is characterised in that:
Described support block can lift to the inside from the side face of described backing roll or lift from interior lateral side face.
18. the manufacture method of pants-type wearing garments as claimed in claim 15, it is characterised in that:
The front end of described support block is positioned at the inner side of the side face of described backing roll, and tempering air blows to the continuum of the described enclosure of the state of the front end leaving this support block from described cooling nozzle.
19. the manufacture method of pants-type wearing garments as claimed in claim 15, it is characterised in that:
Periodically relative in the rotation along with each roller of 2 convex shaped parts and the support block of described backing roll of front-end configuration of sealing block of described sealing roller, further, the rotation along with each roller of the cutting edge of product cutting roller and this support block of this backing roll and periodically relative.
20. the manufacture method of pants-type wearing garments as claimed in claim 15, it is characterised in that:
There is multiple described sealing roller, the region in described heat-sealing region it is formed with in the support block enforcement heat-sealing of the convex shaped part and described backing roll that utilize the first sealing roller, utilize the convex shaped part of the second sealing roller and the support block of this backing roll to repeat to implement heat-sealing in this heat-sealing region, and then utilize the convex shaped part of the 3rd sealing roller and the support block of this backing roll to repeat in this heat-sealing region to implement heat-sealing.
21. the manufacture method of pants-type wearing garments as claimed in claim 15, it is characterised in that:
Described processing unit (plant) is controlled, make when the support block of described backing roll is relative with the cutting edge of the sealing block of described sealing roller and product cutting roller, become, between this support block front end and side face of described backing roll, the flat condition not having jump, and be controlled, making when tempering air is ejected into the described heat-sealing region of continuum of described enclosure from described cooling nozzle, this support block of this backing roll moves to the inside from the side face of this backing roll.
22. the manufacture method of the pants-type wearing garments as according to any one of claim 7～12, it is characterised in that:
Described processing unit (plant), has product reverse engine on the side face of described backing roll and after product cutting roller, and this product reverse engine is provided with the adsorption head of multiple pants-type wearing garments adsorbed respectively after being cut by the cutting edge of this product cutting roller at its side face.
23. the manufacture method of the pants-type wearing garments as according to any one of claim 7～12, it is characterised in that:
Described processing unit (plant), except having described sealing roller and the described backing roll that is oppositely disposed with this sealing roller, has also pairs of metal chill roll and the roller being oppositely disposed with this chill roll and paired product cutting roller and metal plain-barreled roll.
24. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
There is the arrangement step of absorbent main body, other operation the absorbent main body produced is supplied to off and on enclosure continuum internal layer sheet material on and fix, formed articles for wearing continuum.
25. the manufacture method of the pants-type wearing garments as according to any one of claim 7～12, it is characterised in that:
The continuum of described enclosure is imported on described backing roll, the composition fibers melt of described strip of sheet material is made to seal by sealing operation, on this backing roll, by refrigerating work procedure, melted composition fiber is forced cooling continuously afterwards, afterwards, and then continuously on this backing roll it is formed continuously pants-type wearing garments by separation circuit.
26. the manufacture method of pants-type wearing garments as claimed in claim 23, it is characterised in that:
At described paired metal chill roll and the upstream side of roller being oppositely disposed with this chill roll, there is a pair niproll, also there is in downstream a pair niproll.
27. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
Described pants-type wearing garments is Breeches type disposable diaper, including: the absorbent main body of the absorbent core of the back-sheet with the face sheet of liquid permeability, opaque liquid or water-repellancy and the liquid retainability configured between two sheet materials；Be arranged in the back-sheet side of this absorbent main body and fix the described enclosure of this absorbent main body.
28. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
The sheet material of described strip of sheet material is non-woven fabrics, is include hot-wind nonwoven cloth, hot-rolling non-woven fabrics, spun-laced nonwoven fabric, spun-bonded non-woven fabrics, the single sheet of melt spraying non-woven fabrics or laminated sheet.
29. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
On described strip of sheet material, before being overlapped, on either one or the relative face of two sides of two sheet materials, apply hot melt adhesive by adhesive applicating machine.
30. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
Described elastomeric element is the parts that natural rubber, polyurethane based resin, the resinoid retractility raw material of polyurathamc are formed as wire or banding.
31. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
Described elastomeric element is waist elastic members, waist portion elastomeric element or leg elastic members.
32. the manufacture method of pants-type wearing garments as claimed in claim 31, it is characterised in that:
In described waist elastic members and described waist portion elastomeric element, continuously or intermittently apply hot melt adhesive by adhesive applicating machine.
33. the manufacture method of pants-type wearing garments as claimed in claim 31, it is characterised in that:
Described leg elastic members by with the moving direction of sheet material reciprocating swing guide member orthogonally, formed regulation lower limb week pattern and configure.
34. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
In the side seal portion of described pants-type wearing garments, described elastomeric element is cured with the state of elongation, becomes and does not manifest inotropic state.
35. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
The width in the side seal portion of described pants-type wearing garments does not shrink, and is shaped generally as certain width.
36. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
The coincidence of the continuum of described enclosure is, by the continuum of enclosure and absorbent main body doubling.
37. the manufacture method of the pants-type wearing garments as according to any one of claim 1～12, it is characterised in that:
The coincidence of the continuum of described enclosure is, absorbent main body doubling, and the both sides of the continuum of the both sides becoming the continuum of the enclosure of sternopleurite parts and the enclosure becoming dorsal sheet member overlap.
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