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CN101822514B - Cleaning sheet - Google Patents

Cleaning sheet Download PDF

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Publication number
CN101822514B
CN101822514B CN201010125671.2A CN201010125671A CN101822514B CN 101822514 B CN101822514 B CN 101822514B CN 201010125671 A CN201010125671 A CN 201010125671A CN 101822514 B CN101822514 B CN 101822514B
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CN
China
Prior art keywords
mentioned
layer
hydrophilic
cleaning piece
hydrophobic
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Application number
CN201010125671.2A
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Chinese (zh)
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CN101822514A (en
Inventor
高石美奈
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Daio Paper Corp
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Daio Paper Corp
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Publication of CN101822514A publication Critical patent/CN101822514A/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16Cloths; Pads; Sponges
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10Scrubbing; Scouring; Cleaning; Polishing
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/42Details
    • A47L13/44Securing scouring-cloths to the brush or like body of the implement
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/42Details
    • A47L13/46Securing scouring or polishing cloths or sponges to the handles by gripping means, tongs, or the like

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

Provided is a cleaning sheet which can effectively adsorb and discharge moisture, which has a lamination structure formed more than three layers, wherein, the lamination structure has a hydrophilic layer (1) a hydrophobic layer (2), a middle layer (3) existing between the hydrophilic layer (1) and the hydrophobic layer (2); the middle layer (3) is constructed by forming a through hole (31) of a substrate sheet on the substrate sheet having the liquid-tight performance.

Description

Cleaning piece
Technical field
The present invention relates to cleaning piece.
Background technology
In recent years, popularized for the cleaning piece of the spot of removing floor or toilet or the small garbage such as dust or hair of wiping ceiling in ordinary residence.
Generally speaking, this cleaning piece is formed by one or more non-woven fabrics, has the wet type type used under the state containing water and sweeping fluid and the dry type type used in the dry state.
As an example of the cleaning piece of wet type type, such as, propose in patent document 1 and watertight composition is set between hydrophilic fibre and hydrophobic fibre, cut off the cleaning piece that the liquid rotating contained in hydrophilic fibre moves to hydrophobic fibre.
As an example of the cleaning piece of dry type type, in patent document 2, such as propose the non-woven fabrics at a laminated of resin film with wiping off property of spot, be there is by the sucker effect of microcell in another side lamination the erase-slice of the polymer sheet of adsorptivity.
[patent document 1] Japanese Unexamined Patent Publication 2004-344369 publication
[patent document 2] Japanese Unexamined Patent Publication 2007-151950 publication
But the cleaning piece of patent document 1, when wiping starts, moisture discharging amount is many, if therefore residual droplets, in the drying of cleaning object surface, may occur vestige, and moisture discharging amount is few at the end of wiping, therefore fully may not wipe spot.Namely, can not the moisture amount of movement of trimmer inside.In addition, the erase-slice of patent document 2 is the dry type sheet employing non-woven fabrics, can not absorb moisture.
Namely, the sheet of patent document 1,2 all has is not the problem of the design that effectively can absorb, release moisture.
Summary of the invention
Problem of the present invention has the cleaning piece of the design that effectively can absorb, release moisture for providing.Especially being provided in the amount of movement that can adjust moisture when carrying out using as wet type type, can preventing from when using as dry type type being returned by the moisture absorbed the cleaning piece told.
In order to solve above-mentioned problem, the invention that technical scheme 1 is recorded is a kind of cleaning piece, it has the laminations structure at least formed by more than 3 layers, it is characterized in that, above-mentioned lamination there is, the intermediate layer having hydrophilic hydrophilic layer, have hydrophobic hydrophobic layer and be present between above-mentioned hydrophilic layer and above-mentioned hydrophobic layer; Above-mentioned intermediate layer is by forming having the through hole that opaque liquid substrate sheets formed this substrate sheets through.
The feature of the invention that technical scheme 2 is recorded is, in the cleaning piece that technical scheme 1 is recorded, above-mentioned through hole is formed along the direction that the thickness direction relative to above-mentioned intermediate layer tilts.
The feature of the invention that technical scheme 3 is recorded is, in the cleaning piece that technical scheme 1 is recorded, the diameter of the above-mentioned hydrophilic layer side of above-mentioned through hole is greater than the diameter of above-mentioned hydrophobic layer side.
The feature of the invention that technical scheme 4 is recorded is, in the cleaning piece that technical scheme 1 is recorded, the diameter of the above-mentioned hydrophilic layer side of above-mentioned through hole is less than the diameter of above-mentioned hydrophobic layer side.
The feature of the invention that technical scheme 5 is recorded is, in the cleaning piece that any one of technical scheme 1 ~ 4 is recorded, the back layer at the superficial layer on the formation surface that above-mentioned lamination constructs and/or the formation back side, is formed with recess and protuberance.
According to the present invention, cleaning piece has, the intermediate layer that there is hydrophilic hydrophilic layer, there is hydrophobic hydrophobic layer and be present between above-mentioned hydrophilic layer and above-mentioned hydrophobic layer, and above-mentioned intermediate layer is by forming having the through hole that opaque liquid substrate sheets formed this substrate sheets through.
Therefore, when using as wet type type, moisture is moved between hydrophilic layer and hydrophobic layer by through hole, thus can adjust amount of moisture.On the other hand, when using as dry type type, can prevent absorbed moisture from returning and telling.
That is, effectively can absorb, release moisture.
Accompanying drawing explanation
Fig. 1 is the biopsy cavity marker devices outside drawing of the cleaning piece of the first embodiment.
Fig. 2 is the amplification profile of the cleaning piece of the first embodiment.
Fig. 3 is the amplification profile of the cleaning piece of the second embodiment.
Fig. 4 is the amplification profile of the cleaning piece of the 3rd embodiment.
Fig. 5 is the amplification profile of the cleaning piece of the 4th embodiment.
Fig. 6 is the figure of the variation of the shape representing non-woven fabrics.
Fig. 7 is the figure of the variation representing cleaning piece of the present invention.
Symbol description is as follows:
10... cleaning piece; 1... non-woven fabrics (hydrophilic layer); 2... non-woven fabrics (hydrophobic layer); 3... film (intermediate layer); 31... through hole; 5... recess; 6... protuberance.
Detailed description of the invention
Below, by reference to the accompanying drawings the cleaning piece that the present invention relates to is described in detail.
[the first embodiment]
Fig. 1 is the biopsy cavity marker devices outside drawing of the cleaning piece of the first embodiment, and Fig. 2 is the amplification profile of the cleaning piece of the first embodiment.
As shown in Figure 1, 2, the cleaning piece 10 of present embodiment is configured to, the film 3 having 2 non-woven fabrics 1,2 and be present between 2 non-woven fabrics 1,2.
The non-woven fabrics that 2 non-woven fabrics 1,2 manufacture for utilizing the known technology such as water acupuncture manipulation, hot blast method, air-flow method, some Method for bonding, spun-bond process, needle point method, making side be hydrophily opposite side is hydrophobicity, is mixed by selected any fiber and manufacture draws according to the purposes etc. of cleaning piece with any mixing ratio.
In the present embodiment, make the non-woven fabrics 1 of the face side in Fig. 1 for having hydrophilic hydrophilic layer, the non-woven fabrics 2 of rear side is for having hydrophobic hydrophobic layer, and film 3 is intermediate layer.
Specifically, the sheet material of non-woven fabrics 1 for being formed to have hydrophilic fiber.
As the example with hydrophilic fiber, the cellulosic fibres such as such as artificial silk, lyocell (Lyocell), sky silk (Tencel), cotton thread can be enumerated.They can be used alone or combine two or more to use.
In addition, hydrophilic synthetic fibers can be used.By using hydrophilic synthetic fibers, compared with only using the situation of cellulosic fibre, cleaning piece 10 more fluffy, dust eraser except property, operability, feel will be better.
As hydrophilic synthetic fibers, can enumerate by itself having fiber that hydrophilic synthetic resin formed, fiber etc. from the hydrophiling as hydrophobicity synthetic resin but by the process based on hydrophilic agents such as fibre finishings.Example as the former can enumerate tacryl.Example as the latter can enumerate the pet fiber etc. of by the process (surface attachment process or immerse process) based on hydrophilic agents such as fibre finishings hydrophiling.
The sheet material of non-woven fabrics 2 for being formed to have hydrophobic fiber.
As the example with hydrophobic fiber, the polyolefin fibrids such as such as polyethylene, polypropylene, polyvinyl alcohol can be enumerated; The polyamide-based fibers such as the polyester fiber such as PETG, polybutylene terephthalate or nylon.They can be used alone or combine two or more to use.
Film 3 is the multiple through hole 31...... by forming this substrate sheets through in the substrate sheets with opaque liquid and the porous plastic sheet that forms.
In the inside of cleaning piece 10, moisture can move to non-woven fabrics 2 from non-woven fabrics 1 through the through hole 31...... of film 3.
Film 3 preferred thermoplastic resin, such as, use polyethylene, polypropylene, ethyleneα-olefincopolymer, vinyl-vinyl acetate copolymer, PETG, polyamide, polyvinyl chloride etc.
As the method forming through hole 31...... at film 3, have by electron beam or to be embossed on film perforation and to make the method for its porous or separate out solable matter after mixing solable matter and form film in resin thus carry out the method etc. of porous.
This through hole 31...... spreads all over whole evenly configuration of film 3, makes moisture uniformly penetrating on whole of non-woven fabrics 2.
In addition, the shape of through hole can be any shapes such as such as circle, rectangle, square, ellipse.
Above-mentioned non-woven fabrics 1,2 forms the roughly the same rectangular shape of size with film 3, above-mentioned 3 under the state of upper and lower lamination, at least undertaken bondingly forming cleaning piece 10 by hot fusion treatment such as heat-sealing, bonding, the hot melt of ultrasonic wave, embossing 2 positions.By adopting the bonding way based on above-mentioned hot fusion treatment, the bonding agent extra with use carries out, compared with bonding situation, can obtaining the product of the good appearance not having bonding agent to ooze out or to spill.
In addition, when the amount of the heat fusion fiber contained when cleaning piece 10 is configured very thick or in cleaning piece 10 is few, in heat-sealing, embossing process, heat is difficult to realize, and therefore preferably adopts ultrasonic wave bonding.
In addition, non-woven fabrics 1,2 can be individually fixed in two faces of film 3, also can directly the peripheral end portion of non-woven fabrics 1,2 be fixed to one another.
Next, the using method of cleaning piece 10 is described.
In the following description, be illustrated cleaning piece to be remained on situation about using in hand, but the using method of cleaning piece is not limited thereto, the cephalic par that such as can be arranged on bar-shaped apparatus uses.
When cleaning piece 10 to be used (being wiped in cleaning object surface by water) as wet type type, first, user also rubs gently by being immersed in by cleaning piece 10 in the sweeping fluid contained in a reservoir or in flowing water, and makes hydrophilic non-woven fabrics 1 immerse moisture.Then, contact with the hand of user with hydrophilic non-woven 1, hydrophobic non-woven fabrics 2 keeps cleaning piece 10 to carry out wiping cleaning with the mode that contacts of cleaning object surface.
In this case, in the inside of cleaning piece 10, moisture moves to non-woven fabrics 2 side from non-woven fabrics 1 side gradually through through hole 31......, and therefore, the discharging amount starting the moisture terminating with wiping to release from cleaning piece 10 in wiping is certain.
On the other hand, when cleaning piece 10 is used (from cleaning object surface erasing moisture) as dry type type, in the inside of cleaning piece 10, moisture moves to non-woven fabrics 1 side from non-woven fabrics 2 side gradually through through hole 31......, keeps moisture by hydrophilic non-woven fabrics 1.
That is, hydrophilic non-woven fabrics 1 plays a role as water tariff collection portion, and hydrophobic non-woven fabrics 2 plays a role as erasing portion, and the film 3 with through hole 31...... plays a role as moisture amount of movement adjusting portion.
In addition, on the contrary, hydrophilic non-woven fabrics 1 also can be made to immerse moisture, contact with the hand of user with hydrophobic non-woven fabrics 2, hydrophilic non-woven fabrics 1 keeps cleaning piece 10 to carry out wiping cleaning with the mode that contacts of cleaning object surface.In this case, in the inside of cleaning piece 10, the unnecessary moisture in non-woven fabrics 1 side moves to non-woven fabrics 2 side from non-woven fabrics 1 through through hole 31......, if and the moisture of non-woven fabrics 1 reduces, moisture just moves from non-woven fabrics 2 to non-woven fabrics 1 side, therefore, the discharging amount starting to terminate with wiping the moisture of releasing from cleaning piece 10 in wiping is certain.
That is, hydrophilic non-woven fabrics 1 plays a role as erasing portion, and hydrophobic non-woven fabrics 2 plays a role as water tariff collection portion, and the film 3 with through hole 31...... plays a role as moisture amount of movement adjusting portion.
As described above, cleaning piece 10 according to the present embodiment, cleaning piece 10 has, the film 3 that there is hydrophily and hydrophobic non-woven fabrics 1,2 and be present between above-mentioned non-woven fabrics 1,2, through hole through for this substrate sheets forms by being formed in opaque liquid substrate sheets by above-mentioned film 3, therefore, the film 3 with through hole 31...... plays a role as moisture amount of movement adjusting portion.
Thus, when using as wet type type, moved between non-woven fabrics 1 and non-woven fabrics 2 by moisture, amount of moisture can be adjusted to certain all the time.Therefore, the difference that wiping starts the discharging amount of the moisture terminated with wiping can be reduced, excess water can not be released when wiping starts and excessively dip in wet cleaning object surface, and owing to also releasing certain moisture, therefore, it is possible to wipe spot fully at the end of erasing.
In addition, when using as dry type type, moisture is maintained at hydrophilic layer can not return hydrophobic layer, therefore, it is possible to prevent absorbed moisture from going back to the outside of telling sheet.
That is, effectively can absorb, release moisture.
[the second embodiment]
Below, to be described the second embodiment of the present invention for main with the first embodiment difference.Wherein, marked same-sign for the formation identical with the first embodiment, and eliminate its description.
Fig. 3 is the amplification profile of the cleaning piece 20 in present embodiment, and (a) expression does not execute stressed state to cleaning piece 20, and (b) represents the state from top, cleaning piece 20 being applied with to pressure.
The through hole 32...... of the film 3 of the cleaning piece 20 of present embodiment is formed along the direction that the thickness direction relative to film 3 tilts.
The cleaning piece 20 of present embodiment is preferably as the sheet of the wet type type containing moisture in hydrophilic non-woven fabrics 1.
That is, cleaning piece 20 is as shown in Fig. 3 (a), and under the state be not under pressure, moisture moves to non-woven fabrics 2 side from non-woven fabrics 1 side gradually through the through hole 32...... of film 3.
On the other hand, cleaning piece 20, as shown in Fig. 3 (b), under the state receiving pressure, blocks because through hole 32...... is squeezed, and moisture is difficult to mobile.
Therefore, when being judged as that cleaning object surface attached to enough moisture, user applies pressure by pressing cleaning piece 20, can stop releasing moisture to cleaning object surface.
As mentioned above, cleaning piece 20 according to the present embodiment, can obtain the effect identical with the first embodiment certainly, and appropriate by the amount of moisture making non-woven fabrics 2 contain, and user can stop arbitrarily the releasing of moisture according to the state of cleaning object surface.
Therefore, it is possible to use more convenient.
[the 3rd embodiment]
Next, to be described the 3rd embodiment of the present invention for main with the first embodiment difference.Wherein, marked same-sign for the formation identical with the first embodiment, and eliminate its description.
Fig. 4 is the amplification profile of the cleaning piece 30 in present embodiment.
The through hole 33...... of the film 3 of the cleaning piece 30 of present embodiment is formed as, and the diameter of non-woven fabrics 1 side (hydrophilic layer side) is greater than the diameter of non-woven fabrics 2 side (hydrophobic layer side).
The cleaning piece 30 of present embodiment is preferably as the sheet of the wet type type containing moisture in hydrophilic non-woven fabrics 1.
That is, because through hole 33...... is formed as above-mentioned shape by cleaning piece 30, therefore under the state be not under pressure, moisture does not move or is difficult to mobile, and moisture is difficult to soak into non-woven fabrics 2.On the other hand, if be under pressure, moisture is expressed into non-woven fabrics 2 side by from non-woven fabrics 1 side, and moisture is impregnated in non-woven fabrics 2.
Therefore, under user does not execute stressed situation to cleaning piece 30, moisture can not be moved, and the non-woven fabrics 2 of dry state can be used to wipe.
Therefore, can use as follows, that is: when drying cleaning object surface, user does not apply pressure to carry out wiping to cleaning piece 20, and only when water being wiped in cleaning object surface, pressure is applied to cleaning piece 20, make moisture be released to cleaning object surface.
In addition, the moisture of ormal weight can be released in each cleaning object surface.
In addition, in this case, coat the moisture on non-woven fabrics 1, preferably there is the colloidal solution etc. that the liquid of the viscosity of moisture movement, gel or colloidal sol shape just can not occur for pressure that user do not apply regulation to cleaning piece 30.By using aforesaid liquid, can prevent moisture from surprisingly releasing from cleaning piece 30.
As mentioned above, cleaning piece 30 according to the present embodiment, can obtain the effect identical with the first embodiment certainly, and by making non-woven fabrics 2 containing appropriate moisture, user can stop arbitrarily the releasing of moisture according to the state of cleaning object surface.
Therefore, use more convenient.
[the 4th embodiment]
Next, to be described the 4th embodiment of the present invention for main with the first embodiment difference.Wherein, marked same-sign for the formation identical with the first embodiment, and eliminate its description.
Fig. 5 is the amplification profile of the cleaning piece 40 in present embodiment.
The through hole 34...... of the film 3 of the cleaning piece 40 of present embodiment is formed as, and the diameter of non-woven fabrics 1 side (hydrophilic layer side) is less than the diameter of non-woven fabrics 2 side (hydrophobic layer side).
The cleaning piece 40 of present embodiment is preferably as the sheet of dry type type.
Namely, because through hole 34...... is formed as above-mentioned shape by cleaning piece 40, therefore, when wiping moisture, moisture moves to non-woven fabrics 1 side from non-woven fabrics 2 side gradually through through hole 34......, and moisture is more effectively kept by hydrophilic non-woven fabrics 1 and can not return hydrophobic layer.
As mentioned above, cleaning piece 40 according to the present embodiment, can obtain the effect identical with the first embodiment certainly, and effectively can keep the moisture of absorption in non-woven fabrics 1, and can prevent absorbed moisture from going back to the outside of telling sheet.
Therefore, use more convenient.
In addition, in the above-described embodiment, the outer surface (superficial layer and/or back layer) of non-woven fabrics 1,2 is smooth, but such as also can form recess 5 and protuberance 6 at the outer surface of non-woven fabrics 1,2 as shown in Figure 6.
In this case, and the less traction between cleaning object surface, sheet can be made to move smoothly, therefore, it is possible to control of dust effectively.
In addition, because the contact area between cleaning object surface and sheet diminishes, moisture discharging amount when erasing starts can be reduced.
In addition, improve the scraping effect of spot by protuberance 6, and improve spot collecting effect by recess 5.As a result, the greasiness removal effect on cleaning face can be improved.
In addition, recess 5 and protuberance 6, can be formed by methods such as heat-sealing, bonding, the hot melt of ultrasonic wave, embossing when carrying out bonding to non-woven fabrics 1,2 and film.
In addition, required pattern can be formed by recess 5 and protuberance 6.
In addition, as long as the cleaning piece that the present invention's lamination that at least tool haves three layers above constructs just can use.
Such as shown in Fig. 7 (a), can be formed by the substrate sheets of opaque liquid in the further lamination of upper surface 2 layers of hydrophilic non-woven fabrics 1, namely and cut off the thin separation film 7 of penetration by liquid and hydrophobicity or hydrophilic non-woven fabrics 8 completely.
In this case, make to contain in advance in hydrophilic non-woven fabrics 1 and keep liquid, non-woven fabrics 2 as the cleaning piece of wet type type, on the other hand because thin separation film 7 cuts off soaking into of moisture, the non-woven fabrics 8 therefore above thin separation film 7 can be used as the cleaning piece of dry type type.Therefore, it is possible to the two sides of a sheet is used for wipe wet and dry 2 purposes.
In addition, as shown in Fig. 7 (b), such as, lamination more than 2 non-woven fabrics 2 can be configured to, after also can being configured to attached to spot, make it the structure peeled off.
In addition, the size of through hole can be incomplete same, and its configuration also can suitably set.
Such as, can be formed as arranging large through hole at the center of sheet, and little through hole is set along the peripheral end portion of sheet.When being formed as this mode, owing to being provided with large through hole in the part of contact palm, being therefore easy to apply pressure to sheet, more easily can carrying out the adjustment of moisture.
In addition, for the ease of identifying that non-woven fabrics 1,2 can be painted to it.
In this case, if make with on the non-woven fabrics 2 that contact of cleaning object surface dark color, the spot that dust etc. turns white can be made to become eye-catching, thus the erasing effect of confirmation to it.In addition, if on non-woven fabrics 2 light color, the blackout such as hair spot can be made to become eye-catching, thus confirm the erasing effect to it.
In addition, can in cleaning piece the composition such as potpourri, bactericide, anticorrisive agent.

Claims (4)

1. a cleaning piece, it has the laminations structure at least formed by more than 3 layers, it is characterized in that,
Above-mentioned lamination there is: the intermediate layer having hydrophilic hydrophilic layer, have hydrophobic hydrophobic layer and be present between above-mentioned hydrophilic layer and above-mentioned hydrophobic layer,
Above-mentioned intermediate layer is passed through in the substrate sheets with opaque liquid, form the through hole of this substrate sheets through and form,
Above-mentioned through hole is formed along the direction that the thickness direction relative to above-mentioned intermediate layer tilts,
And, be squeezed under the state receiving pressure and block.
2. a cleaning piece, it has the laminations structure at least formed by more than 3 layers, it is characterized in that,
Above-mentioned lamination there is: the intermediate layer having hydrophilic hydrophilic layer, have hydrophobic hydrophobic layer and be present between above-mentioned hydrophilic layer and above-mentioned hydrophobic layer,
Above-mentioned intermediate layer is passed through in the substrate sheets with opaque liquid, form the through hole of this substrate sheets through and form,
The diameter of the above-mentioned hydrophilic layer side of above-mentioned through hole is greater than the diameter of above-mentioned hydrophobic layer side,
Be coated with liquid at above-mentioned hydrophilic layer, aforesaid liquid has the pressure not applying to specify and just can not occur from above-mentioned hydrophilic layer through the viscosity of above-mentioned through hole to the moisture movement of above-mentioned hydrophobic layer.
3. a cleaning piece, it has the laminations structure at least formed by more than 3 layers, it is characterized in that,
Above-mentioned lamination there is: the intermediate layer having hydrophilic hydrophilic layer, have hydrophobic hydrophobic layer and be present between above-mentioned hydrophilic layer and above-mentioned hydrophobic layer,
Above-mentioned intermediate layer is passed through in the substrate sheets with opaque liquid, form the through hole of this substrate sheets through and form,
The diameter of the above-mentioned hydrophilic layer side of above-mentioned through hole is greater than the diameter of above-mentioned hydrophobic layer side,
Be coated with the colloidal solution of gel or colloidal sol shape at above-mentioned hydrophilic layer, the colloidal solution of above-mentioned gel or colloidal sol shape has the pressure not applying to specify and just can not occur from above-mentioned hydrophilic layer through the viscosity of above-mentioned through hole to the moisture movement of above-mentioned hydrophobic layer.
4. the cleaning piece according to any one of claims 1 to 3, is characterized in that, the back layer at the superficial layer on the formation surface that above-mentioned lamination constructs and/or the formation back side is formed with recess and protuberance.
CN201010125671.2A 2009-03-06 2010-03-02 Cleaning sheet Active CN101822514B (en)

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JP2009053139A JP5464871B2 (en) 2009-03-06 2009-03-06 Cleaning sheet

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CN101822514B true CN101822514B (en) 2015-02-04

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US9615712B2 (en) 2013-11-12 2017-04-11 Irobot Corporation Mobile floor cleaning robot
JP6960719B2 (en) * 2016-03-04 2021-11-05 ユニ・チャーム株式会社 Non-woven fabric for wet wipes and its manufacturing method
US10595698B2 (en) 2017-06-02 2020-03-24 Irobot Corporation Cleaning pad for cleaning robot

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JP5464871B2 (en) 2014-04-09
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