CN104487036A - Liquid application device and liquid application method - Google Patents
Liquid application device and liquid application method Download PDFInfo
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- CN104487036A CN104487036A CN201480001920.3A CN201480001920A CN104487036A CN 104487036 A CN104487036 A CN 104487036A CN 201480001920 A CN201480001920 A CN 201480001920A CN 104487036 A CN104487036 A CN 104487036A
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- liquid
- web
- absorbing cylinder
- bringing device
- suction device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Coating Apparatus (AREA)
Abstract
The present invention pertains to a liquid application device (1, 100) that is used in the production of absorbent articles and applies a liquid with a viscosity between 0.05-4 Pa-s to a continuously transported web (3). The liquid application device (1, 100) is provided with: a tank (11) holding a liquid; a liquid application nozzle (13) that applies the liquid to one surface (3ff) of the web (3); a pump (17) that supplies the liquid inside the tank to the liquid application nozzle (13) through a tube (15); and a suction device (5, 105) having a surface (5f, 105f) that faces the other surface (3fs) of the web (3). The surface (5f, 105f) of the suction device (5, 105) at least includes a suction area (AS) that suctions in the web (3).
Description
Technical field
The present invention relates to liquid bringing device and the liquid applying method to being applied liquid by the web transmitted.
Background technology
Patent Document 1 discloses following method: in order to improve diaper, the sense of touch of the absorbent commodities such as sanitary towel, quality etc., the low viscous liquid such as detergent, softening agent, water-soluble antimicrobial being put on the sheet forming absorbent commodity.
In addition, Patent Document 2 discloses a kind of manufacture method of absorbent commodity, be manufactured on to seriality the absorbent commodity being applied with liquid (skin protectant) by the web (formation sheet) transmitted.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2004-229959 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2011-143240 publication
Summary of the invention
The problem that invention will solve
Web, when transmitting, produces fold sometimes, relaxes, result due to its retractility, there is the possibility of web song row.In addition, the liquid being sometimes applied to web fully can not flood on the thickness direction of web.
But patent documentation 1 and 2 does not relate to this.
Therefore, the object of the present invention is to provide a kind of liquid bringing device and liquid applying method, when the transmission of web, the fold of web, lax generation and suppress the song of web capable can be reduced, make the low viscous liquid being applied to web fully be impregnated into the inside of web simultaneously.
For solving the means of problem
In order to solve above-mentioned problem, according to the present invention,
A kind of liquid bringing device is provided, this liquid bringing device to for absorbent commodity manufacture, by seriality the web that transmits apply the liquid with the viscosity of the scope of 0.05 ~ 4Pas,
This liquid bringing device possesses:
Hold the tank of aforesaid liquid;
A liquid face of above-mentioned web being applied to aforesaid liquid applies nozzle;
Liquid in above-mentioned tank is supplied to via pipe the pump that aforesaid liquid applies nozzle; And
There is the suction device on the surface facing with another face of above-mentioned web;
The above-mentioned surface of above-mentioned suction device at least comprises the distributing area attracting above-mentioned web.
Further, in order to solve above-mentioned problem, according to the present invention,
A kind of liquid applying method is provided, to for absorbent commodity manufacture, by seriality the web that transmits apply the liquid with the viscosity of the scope of 0.05 ~ 4Pas,
This liquid applying method comprises:
Prepare the operation of liquid bringing device, this liquid bringing device possesses:
Hold the tank of aforesaid liquid;
A liquid face of above-mentioned web being applied to aforesaid liquid applies nozzle;
Liquid in above-mentioned tank is supplied to via pipe the pump that aforesaid liquid applies nozzle; And
There is the suction device on the surface facing with another face of above-mentioned web; And
The above-mentioned surface of above-mentioned suction device at least comprises the distributing area attracting above-mentioned web;
Above-mentioned suction device is utilized to attract the operation of above-mentioned web at above-mentioned distributing area; And
The operation of liquid is applied in above-mentioned web.
The effect of invention
According to the present invention, a kind of liquid bringing device and liquid applying method are provided, when the transmission of web, the fold of web, lax generation and suppress the song of web capable can be reduced, make the low viscous liquid being applied to web fully flood in the inside of web simultaneously.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the liquid bringing device of the first embodiment of the present invention.
Fig. 2 is the enlarged drawing of the Fig. 1 around absorbing cylinder.
Fig. 3 is the III-III line sectional view of Fig. 2.
Fig. 4 is the line chart of the periphery of the absorbing cylinder of the liquid bringing device representing the first embodiment of the present invention, entrance roller and outlet roller.
Fig. 5 is the broken section skeleton diagram of the liquid bringing device of the second embodiment of the present invention.
The broken section skeleton diagram of the liquid bringing device of the modified example of similar, of the present invention second embodiment of Fig. 6 and Fig. 5.
Detailed description of the invention
(the first embodiment)
Below, referring to figs. 1 to Fig. 4, the liquid bringing device 1 of the first embodiment of the present invention is described.
Fig. 1 is the skeleton diagram of the liquid bringing device 1 of the first embodiment of the present invention.Liquid bringing device 1 applies low viscous liquid to by the face 3ff of web 3 transmitted.In the first embodiment, web 3 is formed by having the fitted bonding pad of absorber of certain compartment of terrain along its direction of transfer MD on the top flat of disposable diaper, sanitary towel.In another embodiment, web 3 is the finished product of absorbent commodity, semi-finished product or raw material.Absorbent commodity comprises diaper, sanitary towel etc.
As shown in Figure 1, liquid bringing device 1 possesses absorbing cylinder 5 (being equivalent to suction device).Absorbing cylinder 5 has the surperficial 5f facing with another face 3fs of web 3.In the first embodiment, web 3 is attracted by the surperficial 5f of absorbing cylinder 5, and is applied in liquid on the surperficial 5f of absorbing cylinder 5.About absorbing cylinder 5 structure and effect will describe in detail below.
In the first embodiment, liquid bringing device 1 also possesses entrance roller 7a and outlet roller 7b, and these rollers are the free rolls such as without drive source.Web 3 to be directed on absorbing cylinder 5 by entrance roller 7a, on the surperficial 5f of absorbing cylinder 5 specifically, and be directed to subsequent handling by outlet roller 7b.
As shown in Figure 1, liquid bringing device 1 possesses the tank 11 of receiving fluids and liquid is put on the nozzle 13 (be equivalent to liquid and apply nozzle) of sheet 3.Liquid bringing device 1 also possesses the pump 17 liquid being contained in tank 11 being supplied to nozzle 13 via pipe 15.The quantity delivered of pump 17 can change.Tank 11 is configured in the position higher than pump 17.As a result, the liquid in tank 11 utilizes the deadweight of liquid to arrive pump 17.In addition, the pipe 15 between tank 11 and pump 17 is configured for the filter 19 that removing is mixed into the impurity of liquid.
The part of the pipe 15 between pump 17 and nozzle 13, configuration fluid flowmeter 21.Fluid flowmeter 21 detects the amount of the liquid of circulation in pipe 15, namely in fact puts on the amount of the liquid of sheet 3.Therefore, it is possible to easily detect the amount of the liquid in fact putting on sheet 3.
In addition, in the first embodiment, the amount of liquid being supplied to sheet 3 from liquid bringing device 1 is quite few, is about 10ml/ minute.Therefore, the fluid flowmeter 21 used in the first embodiment is coriolis meters.Coriolis meter is applicable to measuring the amount of liquid a small amount of like this.But in another embodiment, fluid flowmeter 21 is other forms.
Coriolis meter is the effusion meter of the principle that make use of Coriolis force.That is, if make the liquid as determination object circulate while make tube vibration in the pipe of such as U-shaped or linearity, then pipe can produce distortion.The size of this distortion depends on the fluid flow of circulation in pipe.Therefore, if detect the size of the distortion of pipe, just fluid flow can be detected.
In the first embodiment, nozzle 13 possesses therein: liquid ejection path (not shown); Open or close liquid ejection path, the nozzle group valve (not shown) of pneumatic driving dynamic formula; And air chamber (not shown).That is, when applying air pressure to the air chamber of nozzle 13, nozzle group valve is opened, and liquid sprays from fluid flow path.On the other hand, when stopping applies air pressure to air chamber, nozzle group valve is closed, and the ejection of liquid stops.
Liquid bringing device 1 also possesses the first compressor 23.The air chamber of nozzle 13 is connected via the first gas tube 25 with the first compressor 23.In this example, the first gas tube 25 between nozzle 13 and the first compressor 23, configuration nozzle group valve switch electromagnetic valve 27.When this nozzle group valve switch electromagnetic valve 27 is opened, applies air pressure to nozzle 13 and nozzle group valve is opened.When nozzle group valve switch electromagnetic valve 27 is closed, nozzle group valve is closed.
In addition, nozzle 13, is communicated with fluid flow path or is provided with air circulation path (not shown) adjacently.
Liquid bringing device 1 also possesses the second compressor 29.The air circulation path of nozzle 13 is connected with the second compressor 29 via the second gas tube 31.At the second gas tube 31, another electromagnetic valve 33 is installed and for regulating the actuator 35 of the air pressure in the second gas tube 31.When electromagnetic valve 33 is opened, compressed air from the ejection of air circulation path, and then is put on sheet 3 from the liquid that fluid flow path is ejected via blow-off outlet 13o by micronize.When electromagnetic valve 33 is closed, stop to air circulation path supply compressed air.
In another embodiment, liquid is not sprayed from nozzle 13 with not using compressed air.In another embodiment, by such as brush, roller etc. by liquid spreading in web 3.
In the first embodiment, be provided with a blow-off outlet 13o at nozzle 13, blow-off outlet 13o towards the center of absorbing cylinder 5, and then vertically towards a face 3ff of web 3.From the liquid cone shape that such as to diffuse into blow-off outlet 13o be summit that blow-off outlet 13o sprays, and be applied to a face 3ff of web 3 with certain area.In order to use existing nozzle 13 to change applying scope from liquid to web 3, particularly change the applying scope on the width CD (Fig. 3) of the web vertical with direction of transfer MD, change the distance between the blow-off outlet 13o of a nozzle 13 and face 3ff of web 3.In addition, in order to expand liquid to the applying scope of web 3 on direction of transfer MD, the application time of liquid is extended.
In another embodiment, in order to expand the applying scope of the liquid on the width CD (Fig. 3) of web, nozzle is arranged on multiple blow-off outlets of the upper arrangement of width CD (Fig. 3) of web 3.Thereby, it is possible to do not change nozzle 13 just changes the liquid on the width CD (Fig. 3) of web applying scope apart from the distance of the surperficial 5f of absorbing cylinder 5.
In the first embodiment, liquid has and is at least putting on the viscosity that the moment on sheet 3 is the scope of 0.05 ~ 4Pas.Be preferably, liquid 20 ~ 25 DEG C, under 1 atmospheric pressure, there is the viscosity of the scope of 0.05 ~ 4Pas.In another embodiment, liquid is the liquid with the viscosity higher than this viscosity.In yet, liquid is the liquid with the viscosity lower than this viscosity.
In addition, the viscosity of liquid detects as follows.At the desired temperature, utilize Kan Nong-Fen Sike (Cannon-Fenske) viscometer to detect kinematic viscosity according to JISK 2283, and utilize vibrating densimeter to detect density according to JIS K 2249.According to the above results, go out the viscosity at this temperature with following formulae discovery.
Viscosity (Pas)=kinematic viscosity (m
2/ s) × density (kg/m
3)
In the first embodiment, liquid is such as petroleum-type hydrocarbons, of animal or plant nature oils and fats, of animal or plant nature wax, fatty acid ester compound, alkyl ethoxylate, fatty acid ester ethoxylate, fatty alcohol, polysiloxanes etc.In another embodiment, liquid is PH regulator, antibacterial, aromatic, spice etc.
In the first embodiment, such as, web is the top flat of disposable diaper and the bonding pad of absorber, and liquid is intermittently applied to the part corresponding with the length direction middle body of disposable diaper of web 3 from liquid bringing device 1.But, in another embodiment, be applied to other parts of disposable diaper or the arbitrary portion of other absorbent commodities liquid batch.In yet, liquid is applied to web 3 from liquid bringing device 1 along direction of transfer MD seriality.
Liquid bringing device 1 also possesses controller 37.Controller 37 is such as made up of the computer possessing CPU (microprocessor), memorizer, input port and output port.At the input port of controller 37, connecting fluid flowmeter body 21 etc.At the output port of controller 37, connect pump 17 and nozzle group valve switch electromagnetic valve 27 etc.According to the signal control pump 17, electromagnetic valve 27 etc. that carry out self-controller 37.In addition, the transfer operation of web 3 is controlled by controller 37, and synchronous with the intermittent liquid jet, the specifically opportunity of the opening and closing of nozzle group valve switch electromagnetic valve 27 of being undertaken by nozzle 13.As a result, liquid can be applied to the position desired by a face 3ff of web 3.
Fig. 2 is the enlarged drawing of the Fig. 1 around absorbing cylinder 5, and Fig. 3 is the III-III line sectional view of Fig. 2.Absorbing cylinder 5 comprises: the rotating part 5r rotated together with its axle 5ds and inside, the non-rotary non-rotating portion 5s being positioned at absorbing cylinder 5, they are made up of hard materials such as metals.These rotating parts 5r and non-rotating portion 5s extends at the direction of rotation continuity from above of absorbing cylinder 5 respectively.Cylinder axle 5ds, its one end (not shown), be connected with the rotating driving device (not shown) such as motor, utilize its driving force, can the rotating part 5r of rotary actuation absorbing cylinder 5.It should be noted that, in the first embodiment, about absorbing cylinder 5, radial RD refers to the direction vertical with the bearing of trend of cylinder axle 5ds.
As shown in Figure 3, rotating part 5r comprises side surface part 5rs, periphery base portion 5rc and mesh portion 5rm.Form the other end 5dse of side surface part 5rs at cylinder axle 5ds of a side of absorbing cylinder 5, by being such as the connecting member link of bolt.And, form the periphery base portion 5rc of the outer peripheral portion of absorbing cylinder 5 by such as linking for the connecting member of bolt and the outermost radial outside part of side surface part 5rs together with mesh portion 5rm.In the first embodiment, mesh portion 5rm by the multiple net as being made up of such as metal, resin material etc. of overlap, the sheet of mesh formed.
As shown in Figure 3, non-rotating portion 5s comprises quill shaft 5ss and sidewall 5sw.Quill shaft 5ss wherein empty part inserts cylinder axle 5ds roughly coaxially.Bearing 5br is provided with between the outer peripheral face and the inner peripheral surface of quill shaft 5ss of cylinder axle 5ds.Load in order to avoid rotation and in order to support absorbing cylinder 5 entirety, quill shaft 5ss is fixed on the wall (not shown) of such as equipment.
Quill shaft 5ss is at its outer peripheral face, and by being such as the connecting member of bolt, and the sidewall 5sw expanded at the radial RD of absorbing cylinder 5 between the outer surface and the inner surface of periphery base portion 5rc of quill shaft 5ss links.In the outermost radial outside part of sidewall 5sw, ring bodies 5sr that abut with the inner peripheral surface of periphery base portion 5rc, that be made up of such as felt is installed.Because ring bodies 5sr absorbing cylinder 5 direction of rotation continuity from above extend, so in toroidal.Utilize ring bodies 5sr, between the periphery base portion 5rc rotated and non-rotary sidewall 5sw, guarantee certain air-tightness, and reduce the resistance to sliding between them.The material of ring bodies 5sr is not limited to felt, also can be other materials, as long as play the material of above-mentioned functions.
By said structure, delimit the hollow space 5h being determined scope by quill shaft 5ss, sidewall 5sw, ring bodies 5sr and periphery base portion 5rc in the inside of absorbing cylinder 5.
As shown in Figure 3, arrange steam vent 5swv at the sidewall 5sw of absorbing cylinder 5, at steam vent 5swv, one end of pipeline 41 is connected with absorbing cylinder 5.Thus, pipeline 41 inside is communicated with hollow space 5h.In addition, the other end of pipeline 41 is connected with the exhaust pump (not shown) of being discharged by the air direction F of hollow space 5h inside.It should be noted that, in the first embodiment, the pipeline 41 of use and exhaust pump are one respectively.But, when the traffic attraction causing the traffic attraction of air cannot reach desired when utilizing an exhaust pump, multiple steam vent 5swv is set at sidewall 5sw and multiple exhaust pump is connected with absorbing cylinder 5 via pipeline 41 respectively, thus traffic attraction can be made to increase.
On the other hand, in the first embodiment, at periphery base portion 5rc, arrange from periphery base portion 5rc outer peripheral face to the through a large amount of through hole 5rcp of inner peripheral surface.Through hole 5rcp is arranged to the surface being roughly evenly distributed in periphery base portion 5rc.In addition, in figure 3, illustrate the through hole 5rcp of the inner surface being arranged on periphery base portion 5rc, and from being convenient to illustrated angle, in same figure, illustrate only its part.And the mesh portion 5rm be made up of the sheet of multiple mesh as mentioned above can make air pass through.Therefore, the ft connection of hollow space 5h and absorbing cylinder 5.
By above structure, the air of hollow space 5h discharged by exhaust pump (not shown), on the other hand, from the outside of absorbing cylinder 5, via the through hole 5rcp of the web 3 be positioned on mesh portion 5rm, mesh portion 5rm, periphery base portion 5rc, import air to hollow space 5h.
It should be noted that, in the first embodiment, according to the structure of above-mentioned absorbing cylinder 5, the surperficial 5f of the absorbing cylinder 5 facing with another face 3fs of web 3 is outer surfaces of mesh portion 5rm.
In addition, as shown in Figures 2 and 3, in the first embodiment, in absorbing cylinder 5, arrange in hollow space 5h inside the separator 43 abutted with a part for the inner surface of periphery base portion 5rc, separator 43 is arranged on quill shaft 5ss or sidewall 5sw by fixture (not shown).The abutment portion of the inner surface abutting of separator 43 and periphery base portion 5rc, from the aim identical with ring bodies 5sr, is made up of such as felt.Separator 43 in above-mentioned abutment portion, hinder via periphery base portion 5rc through hole 5rcp, from the air-breathing of the outside of absorbing cylinder 5.
By arranging separator 43, as shown in Figure 2, the surperficial 5f of absorbing cylinder 5 comprise the length areas of the periphery along absorbing cylinder 5, attract the distributing area AS of web 3 and do not attract the non-distributing area AN of web 3.In another embodiment, do not arrange separator 43 at absorbing cylinder 5, the whole circumference of the surperficial 5f of absorbing cylinder 5 is the distributing area AS attracting web 3, and then does not comprise non-distributing area AN.
Therefore, in the first embodiment, another face 3fs of absorbing cylinder 5 in the 3ff opposition side, a face with the applying liquid distributing area AS included by surperficial 5f in opposite directions, attracts web 3.As mentioned above, through hole 5rcp is arranged to the surface being roughly evenly distributed in periphery base portion 5rc.And, owing to being provided with the mesh portion 5rm of structure as above at the outer surface of absorbing cylinder 5, so numerous to the suction pathway branch of each through hole 5rcp from the outside of absorbing cylinder 5.Therefore, at surperficial 5f, regardless of the position of part of web 3 being positioned at distributing area AS, the part of this web 3 can both be attracted with roughly uniform captivation.
By the structure of above absorbing cylinder 5, web 3 is by being attracted by absorbing cylinder 5 and being adsorbed and remain on surperficial 5f.As a result, web 3 is transmitted along with the rotation of absorbing cylinder 5, and in the liquid bringing device 1 of the first embodiment, web 3 is transmitted by absorbing cylinder 5.
According to the liquid bringing device 1 of the first embodiment, following action effect can be played.
(1) in the first embodiment, the part being positioned at the web 3 of the distributing area AS of the surperficial 5f of absorbing cylinder 5 is all attracted with roughly uniform captivation, thus is transmitted while being maintained on surperficial 5f.As a result, when the transmission of web 3, reduce the fold of web 3, lax generation, and then the song of web 3 can be suppressed capable.
(2) by attracting from another face 3fs of web 3 liquid putting on a face 3ff of web 3, liquid can be made to move from 3fs side, another face of 3ff side direction, a face in web 3 inside.As a result, the liquid being applied to web 3 can be made fully to flood web 3 inside.In addition, in order to give full play to this action effect, the breathability of web 3 is preferably highly-breathable.The material that the breathability such as the web 3 of the first embodiment is the bonding pad of top flat and absorber as mentioned above, the plastic sheeting contained in the egative film in general not containing absorbent commodity etc. are low, therefore the breathability of web 3 is preferably highly-breathable.
(3) attract web 3 by the thickness direction from web, the thickness of the web 3 of the distributing area AS of the surperficial 5f being positioned at absorbing cylinder 5 can be reduced.As a result, the liquid applied from a face 3ff of web 3 is easy to flood at the thickness direction of web 3.
(4) owing to using nozzle 13, contact with web 3 and just liquid is put on web 3, even if so when the surface irregularity of web 3, as long as within the scope of the applying of nozzle 13, concavo-convexly how can both apply liquid regardless of such.
In addition, as shown in Figure 2, the distributing area AS of the surperficial 5f of absorbing cylinder 5 preferably at least comprises liquid and applies region AA, this liquid apply region AA be corresponding with the applying scope being applied liquid by nozzle 13 pairs of webs 3, along the length areas of the periphery of absorbing cylinder 5.This is because: at the distributing area AS of the surperficial 5f of absorbing cylinder 5, not easily there is fold, relax, so liquid suitably can be applied to the scope desired by a face 3ff of web 3 in web 3.In addition, in another embodiment, distributing area AS does not comprise liquid applying region AA.
Below, Fig. 4 is the line chart of the absorbing cylinder 5 of the liquid bringing device representing the first embodiment of the present invention, the periphery of entrance roller 7a and outlet roller 7b.In addition, Fig. 4 is figure when observing absorbing cylinder 5, entrance roller 7a and outlet roller 7b on the bearing of trend of the cylinder axle 5ds of absorbing cylinder 5.
As shown in Figure 4, if the point of contact of the common tangent L1 of the periphery of absorbing cylinder 5 and entrance roller 7a and the periphery of absorbing cylinder 5 is first P1, if the point of contact of the periphery of the common tangent L2 of the periphery of absorbing cylinder 5 and outlet roller 7b and absorbing cylinder 5 is second point P2.Now, the surperficial 5f of absorbing cylinder 5 is preferably at region APP, comprise the non-distributing area AN (Fig. 2) not attracting web 3, this region APP be from first P1 on the opposite direction of the direction of rotation R of absorbing cylinder 5 circumferentially to second point P2, along the length areas of the surperficial 5f of absorbing cylinder 5.This is because: if between absorbing cylinder 5 and entrance roller 7a and/or between absorbing cylinder 5 and outlet roller 7b, web 3 is attracted by absorbing cylinder 5, then exist web 3 can not by linear transmission the transmission of web 3 can not normally carry out may.In another embodiment, at above-mentioned zone APP, do not comprise non-distributing area AN (Fig. 2).
In addition, the scope of non-distributing area AN (Fig. 2) delimited by the size of the separator 43 circumferentially of absorbing cylinder 5 and position.
In addition, as depicted in figs. 1 and 2, liquid bringing device 1 preferably also possesses the cover 45 holding absorbing cylinder 5 and nozzle 13 in inside.This is because: can prevent the liquid sprayed from nozzle 13 from dispersing to surrounding, and, can prevent from being attached to web 3 from rubbish such as the sudden Soft flocks in the outside of liquid bringing device 1.In the first embodiment, the shape that 45 have the box like of surrounding its surrounding and top is covered.In another embodiment, liquid bringing device 1 does not possess cover 45.
In addition, cover 45 is preferably it and is at least simultaneously made up of transparent material, even if so that in use also can its inside of visual confirmation.In the first embodiment, the front surface covering 45 is made up of transparent material.
And as shown in Figure 2, at cover 45, setting is used for web 3 to be transported into and transports the first opening 45wf of its inside.Now, as shown in Figure 2, preferably arrange at cover 45 and be positioned at the second opening 45ws on the downside of vertical relative to the first opening 45wf.By separately establishing the second opening 45ws outside the first opening 45wf, more air can be imported in cover, thus the gettering efficiency of the external air suction from absorbing cylinder 5 can be improved.In addition, by making the second opening 45ws be positioned on the downside of vertical relative to the first opening 45wf, the rubbish such as the Soft flocks sometimes flown upward around cover 45 can be suppressed to attracted to cover 45 inner.As long as the second opening 45ws is positioned on the downside of vertical relative to the first opening 45wf, also can arrange multiple on the arbitrary face of cover 45.
In addition, in another embodiment, filter (not shown) is set at the second opening 45ws, in order to avoid attract the rubbish such as Soft flocks.In yet, the second opening 45ws is not set at cover 45.
(the second embodiment)
Below, the liquid bringing device 100 of the second embodiment of the present invention is described with Fig. 5.In addition, for the second embodiment, the difference of special instruction and the first embodiment.In addition, in the first embodiment with the difference of the second embodiment outside element can be applicable to the second embodiment, those skilled in the art can in apparent scope these elements of combination in any.
Fig. 5 is the broken section skeleton diagram of the liquid bringing device 100 of the second embodiment of the present invention.In addition, in Figure 5, the mechanism spraying liquid from nozzle 13 is identical with Fig. 1, therefore omits record.
Second embodiment mainly uses adsorption box 105 (being equivalent to suction device) to attract in web 3 this point not using absorbing cylinder 5 (Fig. 1 etc.), different from the first embodiment.
As shown in Figure 5, on the surperficial 105f of web 3 on the upside of the vertical of adsorption box 105, transmitted on direction of transfer MD by transporter 107a, 107b.
In this second embodiment, adsorption box 105 entirety is rectangular shape, and comprises the body part 105b of the outline portion forming adsorption box 105 and be positioned at the hollow space 105h of inner side of body part 105b.
As shown in Figure 5, at the lower portion 105bl of the body part 105b of adsorption box 105, be provided with steam vent 105bv, at steam vent 105bv, one end of pipeline 41 is connected with adsorption box 105.Thus, the inside of pipeline 41 is communicated with hollow space 105h.In addition, the other end of pipeline 41 is connected with the exhaust pump (not shown) of being discharged by the air direction F of hollow space 105h.The same with the first embodiment in this second embodiment, can, by arranging multiple steam vent 105bv at body part 105b and being connected with adsorption box 105 via pipeline 41 respectively by multiple exhaust pump, traffic attraction be increased.
On the other hand, in this second embodiment, a large amount of through hole 105bp is provided with at the upper portion 105bu of body part 105b.And through hole 105bp is arranged to the whole surface being roughly evenly distributed in upper portion 105bu.And the surface on the upside of the vertical of adsorption box 105, is provided with the mesh portion 105m the same with the mesh portion 5rm of the first embodiment.And the mesh portion 105m be made up of the sheet of multiple mesh can make air pass through.Therefore, the ft connection of hollow space 105h and adsorption box 105.
In addition, in this second embodiment, according to the structure of above-mentioned adsorption box 105, the surperficial 105f of the adsorption box 105 facing with another face 3fs of web 3 is outer surfaces of mesh portion 105m.
By above structure, as shown in Figure 5, the surperficial 105f of adsorption box 105, is being provided with the scope of through hole 105bp, comprise as this surperficial 105f length areas, the distributing area AS that can attract web 3.
In this second embodiment, different from the first embodiment on web 3 slides this point on the surperficial 105f of adsorption box 105.But, transmitted while attracting with roughly uniform captivation on the whole by adsorption box 105.As a result, when the transmission of web 3, the same with the first embodiment, the fold of web 3, lax generation can be reduced, and then the song of web 3 can be suppressed capable.
Liquid in addition, also the same with the first embodiment in this second embodiment, that distributing area AS at least comprises the length areas of the surperficial 105f as adsorption box 105, that apply liquid applies region AA.As a result, at the distributing area AS of the surperficial 5f of absorbing cylinder 5, because web 3 fold not easily occurs, relaxes, so liquid suitably can be applied to the scope desired by a face 3ff of web 3.In another embodiment, distributing area AS does not comprise liquid applying region AA.
(modified example)
Below, the modified example of the second embodiment of the present invention is described with Fig. 6.The broken section skeleton diagram of the liquid bringing device 100 of the modified example of similar, of the present invention second embodiment of Fig. 6 and Fig. 5.In this modified example, liquid bringing device 100 also comprises guipure 109.
As shown in Figure 6, guipure 109 around adsorption box 105, around hanging on pair of rolls 109a, 109b.In this modified example, guipure 109 is endless belts that the sheet of net by being made up of the such as material such as metal or resin and mesh is formed, that have breathability.
At least one among pair of rolls 109a, 109b by drive source, such as servo motor (not shown) rotary actuation so that guipure 109 moves along direction of transfer MD on the surperficial 105f of adsorption box 105.
In the adsorption box 105 of this modified example, be provided with steam vent 105bv at a lateral portions 105bs of body part 105b, one end of pipeline and steam vent 105bv connect into and prevent suction band 109 and pipeline (not shown) from interfering.And the other end of pipeline is connected with exhaust pump (not shown).
As shown in Figure 6, the liquid bringing device 100 of this modified example possesses entrance roller 7a and outlet roller 7b.Web 3 is directed on guipure 109 by entrance roller 7a, and is directed to subsequent handling by outlet roller 7b.
The web 3 be positioned on guipure 109 is attracted by adsorption box 105 at distributing area AS, thus is adsorbed and remain on the outer surface of guipure 109.As a result, web 3 is transmitted along with the movement of guipure 109, in the liquid bringing device 100 of this modified example, is transmitted by guipure 109.
In this modified example, the part being positioned at the web 3 on the distributing area AS of the surperficial 105f of adsorption box 105 is all attracted with roughly uniform captivation, thus is transmitted while the outer surface being maintained at guipure 109.As a result, the fold in transmission, lax generation can be reduced, and then the song of web 3 can be suppressed capable.
In addition, all features that those skilled in the art can understand from the record of this description, accompanying drawing and claims, in this manual, although be only associated and combine and be illustrated with other feature specific these features, as long as but those features not clear and definite except, or that can not realize so long as not technical elements or insignificant combination, just can combine independently and then with other one or more feature combination in any disclosed herein.
As an example, the cover 45 that the liquid bringing device 1 that the liquid bringing device 100 of the second embodiment does not possess the first embodiment possesses.But the embodiment variant that the liquid bringing device 100 of the second embodiment possesses the cover 45 holding nozzle 13 and adsorption box 105 in inside is also included within scope of the present invention.
The present invention provides as follows.
(1) a liquid bringing device, this liquid bringing device to for absorbent commodity manufacture, by seriality the web that transmits apply the liquid with the viscosity of the scope of 0.05 ~ 4Pas,
Aforesaid liquid bringing device possesses:
Hold the tank of aforesaid liquid;
A liquid face of above-mentioned web being applied to aforesaid liquid applies nozzle;
Liquid in above-mentioned tank is supplied to via pipe the pump that aforesaid liquid applies nozzle; And
There is the suction device on the surface facing with another face of above-mentioned web;
The above-mentioned surface of above-mentioned suction device at least comprises the distributing area attracting above-mentioned web.
(2) the liquid bringing device Gen Ju (1), wherein,
Above-mentioned distributing area at least comprises the liquid applied for aforesaid liquid and applies region.
(3) according to (1) or the liquid bringing device described in (2), wherein,
Above-mentioned suction device is absorbing cylinder,
The above-mentioned surface of above-mentioned suction device is the outer peripheral face of above-mentioned absorbing cylinder,
Above-mentioned web is attracted by the above-mentioned absorbing cylinder be driven in rotation, and is transmitted along with the rotation of above-mentioned absorbing cylinder simultaneously.
(4) the liquid bringing device Gen Ju (3), wherein,
Also possess: the entrance roller above-mentioned web being directed to above-mentioned absorbing cylinder, and above-mentioned web be directed to the outlet roller of subsequent handling from above-mentioned absorbing cylinder,
The periphery of the common tangent and above-mentioned absorbing cylinder of setting the periphery of above-mentioned absorbing cylinder and above-mentioned entrance roller point of contact as the first point, set the point of contact of periphery of the common tangent of the periphery of above-mentioned absorbing cylinder and above-mentioned outlet roller and above-mentioned absorbing cylinder as second point time, the above-mentioned surface of above-mentioned suction device from above-mentioned first in the opposite direction of the direction of rotation of above-mentioned absorbing cylinder along the region of outer thoughtful above-mentioned second point, comprise the non-distributing area not attracting above-mentioned web.
(5) according to (1) or the liquid bringing device described in (2), wherein,
Above-mentioned suction device is adsorption box,
The above-mentioned surface of above-mentioned suction device is the surface on the upside of the vertical of above-mentioned adsorption box,
Above-mentioned web is attracted by above-mentioned adsorption box, is transmitted on the above-mentioned surface of above-mentioned adsorption box simultaneously.
(6) the liquid bringing device Gen Ju (5), wherein,
Also possess the guipure around the surrounding hanging over above-mentioned adsorption box,
Above-mentioned web is transmitted along with the movement of above-mentioned guipure.
(7) according to the liquid bringing device according to any one of (1) to (6), wherein,
Also possess and hold in inside the cover that aforesaid liquid applies nozzle and above-mentioned suction device.
(8) the liquid bringing device Gen Ju (7), wherein,
At above-mentioned cover, be provided with
For above-mentioned web being transported into and transporting the first opening in above-mentioned cover; And
The second opening on the downside of vertical is positioned at relative to above-mentioned first opening.
(9) according to the liquid bringing device according to any one of (1) to (8), wherein,
Aforesaid liquid is intermittently applied to above-mentioned web.
(10) a liquid applying method, to for absorbent commodity manufacture, by seriality the web that transmits apply the liquid with the viscosity of the scope of 0.05 ~ 4Pas,
Aforesaid liquid applying method comprises following operation:
Prepare the operation of liquid bringing device, this liquid bringing device possesses:
Hold the tank of aforesaid liquid;
A liquid face of above-mentioned web being applied to aforesaid liquid applies nozzle;
Liquid in above-mentioned tank is supplied to via pipe the pump that aforesaid liquid applies nozzle; And
There is the suction device on the surface facing with another face of above-mentioned web; And
The above-mentioned surface of above-mentioned suction device at least comprises the distributing area attracting above-mentioned web;
Above-mentioned suction device is utilized to attract the operation of above-mentioned web at above-mentioned distributing area; And
Above-mentioned web is applied to the operation of liquid.
Description of reference numerals
1,100 liquid bringing devices
3 webs
3ff face
Another face of 3fs
5 absorbing cylinders (suction device)
5f surface
11 tanks
13 nozzles (liquid applying nozzle)
15 pipes
17 pumps
105 adsorption boxes (suction device)
105f surface
AS distributing area
Claims (10)
1. a liquid bringing device, this liquid bringing device to for absorbent commodity manufacture, by seriality the web that transmits apply the liquid with the viscosity of the scope of 0.05 ~ 4Pas, it is characterized in that,
Described liquid bringing device possesses:
Hold the tank of described liquid;
A liquid face of described web being applied to described liquid applies nozzle;
Liquid in described tank is supplied to via pipe the pump that described liquid applies nozzle; And
There is the suction device on the surface facing with another face of described web;
The described surface of described suction device at least comprises the distributing area attracting described web.
2. liquid bringing device according to claim 1, is characterized in that,
Described distributing area at least comprises the liquid applied for described liquid and applies region.
3. liquid bringing device according to claim 1 and 2, is characterized in that,
Described suction device is absorbing cylinder,
The described surface of described suction device is the outer peripheral face of described absorbing cylinder,
Described web is attracted, simultaneously along with the rotation of described absorbing cylinder is transmitted by the described absorbing cylinder be driven in rotation.
4. liquid bringing device according to claim 3, is characterized in that,
Also possess: the entrance roller described web being directed to described absorbing cylinder, and described web be directed to the outlet roller of subsequent handling from described absorbing cylinder,
The periphery of the common tangent and described absorbing cylinder of setting the periphery of described absorbing cylinder and described entrance roller point of contact as the first point, set the point of contact of periphery of the common tangent of the periphery of described absorbing cylinder and described outlet roller and described absorbing cylinder as second point time, the described surface of described suction device, from described first in the opposite direction of the direction of rotation of described absorbing cylinder along the region of outer thoughtful described second point, comprise the non-distributing area not attracting described web.
5. liquid bringing device according to claim 1 and 2, is characterized in that,
Described suction device is adsorption box,
The described surface of described suction device is the surface on the upside of the vertical of described adsorption box,
Described web is attracted by described adsorption box, is transmitted on the described surface of described adsorption box simultaneously.
6. liquid bringing device according to claim 5, is characterized in that,
Also possess the guipure around the surrounding hanging over described adsorption box,
Described web is transmitted along with the movement of described guipure.
7. liquid bringing device according to any one of claim 1 to 6, is characterized in that,
Also possess and hold in inside the cover that described liquid applies nozzle and described suction device.
8. liquid bringing device according to claim 7, is characterized in that,
At described cover, be provided with
For described web being transported in described cover and the first opening transported in described cover; And
Compare described first opening and be positioned at the second opening on the downside of vertical.
9. liquid bringing device according to any one of claim 1 to 8, is characterized in that,
Described liquid is intermittently applied to described web.
10. a liquid applying method, to for absorbent commodity manufacture, by seriality the web that transmits apply the liquid with the viscosity of the scope of 0.05 ~ 4Pas, it is characterized in that,
Described liquid applying method comprises following operation:
Prepare the operation of liquid bringing device, described liquid bringing device possesses:
Hold the tank of described liquid;
A liquid face of described web being applied to described liquid applies nozzle;
Liquid in described tank is supplied to via pipe the pump that described liquid applies nozzle; And
There is the suction device on the surface facing with another face of described web; And
The described surface of described suction device at least comprises the distributing area attracting described web;
Described suction device is utilized to attract the operation of described web at described distributing area; And
The operation of liquid is applied in described web.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013151632A JP5748806B2 (en) | 2013-07-22 | 2013-07-22 | Liquid application apparatus and liquid application method |
| JP2013-151632 | 2013-07-22 | ||
| PCT/JP2014/067407 WO2014192980A1 (en) | 2013-07-22 | 2014-06-30 | Liquid application device and liquid application method |
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| CN104487036A true CN104487036A (en) | 2015-04-01 |
| CN104487036B CN104487036B (en) | 2016-09-07 |
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| Country | Link |
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| JP (1) | JP5748806B2 (en) |
| KR (1) | KR102047580B1 (en) |
| CN (1) | CN104487036B (en) |
| IN (1) | IN2015DN00312A (en) |
| TW (1) | TWI638647B (en) |
| WO (1) | WO2014192980A1 (en) |
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| JP5748807B2 (en) * | 2013-07-22 | 2015-07-15 | ユニ・チャーム株式会社 | Liquid application apparatus and liquid application method |
| JP6475975B2 (en) * | 2014-12-25 | 2019-02-27 | ユニ・チャーム株式会社 | Absorbent article manufacturing method and absorbent article manufacturing apparatus |
| WO2020178665A2 (en) * | 2019-03-02 | 2020-09-10 | Lohia Corp Limited | A composite bag and a method of and an apparatus for making it |
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| JP5748807B2 (en) * | 2013-07-22 | 2015-07-15 | ユニ・チャーム株式会社 | Liquid application apparatus and liquid application method |
| US9572729B2 (en) | 2013-09-30 | 2017-02-21 | Kimberly-Clark Worldwide, Inc. | Method of forming an absorbent structure |
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2013
- 2013-07-22 JP JP2013151632A patent/JP5748806B2/en active Active
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2014
- 2014-06-30 KR KR1020157021781A patent/KR102047580B1/en active IP Right Grant
- 2014-06-30 CN CN201480001920.3A patent/CN104487036B/en active Active
- 2014-06-30 WO PCT/JP2014/067407 patent/WO2014192980A1/en active Application Filing
- 2014-06-30 IN IN312DEN2015 patent/IN2015DN00312A/en unknown
- 2014-07-22 TW TW103125113A patent/TWI638647B/en active
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| US5711991A (en) * | 1995-11-20 | 1998-01-27 | Aluminum Company Of America | Process for making lithographic sheet material having a thermoplastic adhesive layer |
| TW446628B (en) * | 1996-12-20 | 2001-07-21 | Procter & Gamble | A dry laid structure comprising particulate material |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104487036B (en) | 2016-09-07 |
| WO2014192980A4 (en) | 2015-01-15 |
| KR20160033647A (en) | 2016-03-28 |
| JP5748806B2 (en) | 2015-07-15 |
| WO2014192980A1 (en) | 2014-12-04 |
| JP2015019927A (en) | 2015-02-02 |
| TW201529051A (en) | 2015-08-01 |
| TWI638647B (en) | 2018-10-21 |
| IN2015DN00312A (en) | 2015-06-12 |
| KR102047580B1 (en) | 2019-11-21 |
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