CZ175395A3 - Panty article of napkin type - Google Patents

Abstract

Hygienic, absorbing pad bodies are used increasingly as disposable units, made with a fibrous, super absorbing material in an envelope which, with the use of suitable sheet materials, is liquid tight at the outside, while at the inner side it is liquid permeable, but non-absorbing, whereby the pad in wet condition will feel dry. These articles load the refuse system due to their contents of plastics, and according to the invention it is proposed that the pad member (12) itself is made in a both mechanically and biologically decomposable manner and that the envelope (2) is designed such that after use the pad member is removable therefrom, preferably for disposal by direct closet flushing. As far as diapers are concerned the envelope (2) may be of a washable textile material, having a pocket or cover flap (10) of the non-absorbing material at the inner side, such that new pad members may be mounted in a pleasant and reusable textile diaper.

Description

The invention relates to absorbent articles of the diaper or pad type.

The prior art

Previously, pieces of cotton fabric that could be washed and reused for long periods of time were used for this type of product, but due to the requirement for high absorption capacity, several cotton layers were required, making these products bulky and heavy- and the costs of washing were therefore in fact much higher. As is well known, developments in the art have been directed to the use of disposable products (i.e. disposable products) having a high and h Γ, r rn ·:

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Without being bulky in conception, this is achieved by using a filler material, the so-called super absorbent type.

For actual use, the condition is that the absorbent material is insulated from both the outer sulphates, and does not allow the liquid to pass into and around the interior to prevent the wet absorbent material from contacting the wearer's skin. This can be achieved by wrapping the absorbent material into a coating having on the outer side of the insulating plate not ana p and orieii · ^L * - ~ ^{~! R} ~ ^{n, z _ r} - - ....... - ι.

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- / <>. .Να-λ ... »- v.- ^? * r · W -. The impermeable coating, made of a non-absorbent-honeycomb film, - which will consistently provide a feeling of dryness.

But on the other hand, it is true that disposable diapers and sanitary napkins cause major problems in the waste system. They are too large to be flushed into the toilet and at the same time it is not appropriate to place them in ordinary waste bags, ie kitchen waste. When disposed of as solid waste, due to the high content of substances contained therein, which could in fact be used in a simpler way, see the composting of purely organic substances, the respective destruction facilities.

US-A-2,825,199 discloses a diaper made to have an outer layer of liquid impermeable material and an inner layer of flanged rubber having small holes in its central region. Said diaper is further provided with a pocket disposed between the aforementioned layers, which opens to a leading edge, said pocket having a sponge insert which can be reused after drying. This is not a suitable solution.

US-A-3 070 095 discloses a plurality of layered material which can be used as siine absorbent products having a skin-contacting layer consisting of a thin layer of fluffy and soft liquid-absorbent cellulosic material that is coated on at least one side with a moisture impermeable substance ,. but which can be flushed into the toilet. The inner sides of the absorbent material are very unsuitable, for these products are e.g.

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would result in more or less disintegration when used. AND.

• inversely if they were of the quality that is practically needed for. '. Their usability will not be suitable for flushing, especially larger sizes will not.

SUMMARY OF THE INVENTION

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As already mentioned, the invention ^r, ZL · f ·. · * Pant product, or diapers? '^ ZahTnujeabsorpční a core or insert and associated panty portion attachable to the body of the child. The disposable diapers described above are characterized in that the panty portion comprises protruding portions of the foil wrapping material. a core comprising a moisture absorbing material and extending beyond the core, and in order to achieve the advantage described in relation to said liners in an embodiment of the invention in an optimized disposal method, it should be possible to remove said absorbent core from said package. '. The preferred embodiment of the diaper of the present invention reverts back to the use of laundry textile materials and uses them to manufacture the packaging or panty portions. It is particularly advantageous if this part is made of cotton or a correspondingly laundering material that suits the skin of especially children. Thus, the diapers will comprise a reusable package or panty portion and a disposable absorbent core. From the point of view of waste, it is very important that a substantial part of the mass of the diapers, i.e. the packaging or panty, will not be disposed of after each use but only after several uses. These textile products should not be sized to absorb the moisture to be absorbed by the inner absorbent core, and should therefore be designed as bulky products that can be washed in normal household washing machines without being overloaded, resulting in visible waste is reduced to a minimum, while the user's comfort of disposable panties can be visibly increased without significantly increasing the cost of waste.

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y ~ λ Ui ^z . ^: Waste products in relation to diapers are not only liquids but also faeces. These are the most suitable for transport to the cheapest waste system, ie flushing into the toilet from where they reach the sewage system, while there are no problems associated with disintegration of this waste. Therefore, the faeces should be provided directly to the outside of the liquid-absorbent core. A preferred feature of the diapers of the present invention is that the packaging portion is provided with an inwardly facing pocket or lip portion formed of a non-absorbent liquid-permeable textile material; permanently provides a dry insulating layer between the skin and the absorbent core. Accordingly, the absorbent core itself need not be provided with such an outer layer. This of course helps to reduce production costs vkládacícn absorpčn.lch ¹ cores, then they will not need a custom-coating layer. The faeces will then be deposited directly on said lip portion, making it easy for the user to tap or flush the faeces from the open diaper into the toilet and subsequently dispose of the absorbent core or portions of the absorbent core in the same manner.

Said absorbent core can be made as already mentioned to appear as a unit of sufficient size which is still divided into coherent surfaces which are easily separable, i.e.

Thus, the user can handle the absorbent member relatively large as coherent in k i and g and η i to t e x t i i η i i by removing water from the flushing system.

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Optionally, said lip-like portion may be fabricated such that the textile portion is sewn at one end and provided with a Velcro strip at the opposite free end.

The present diaper liners can be manufactured as relatively inexpensive small members, which also facilitates the manufacture and storage of their various designs, i.e., especially V designs, adapted for boys and girls and of different sizes and absorbent capacities. Is it important to mention here that the baby's daily rhythm allows the use of absorbent pads with different absorption capacities, because during the day the diapers are changed?

more often, cheaper absorbent pads with a lower absorbent capacity may be used, while an absorbent pad with a high nightly absorbent capacity is then used overnight. It should also be noted that any unused absorption capacity, for example during the day, will mean a certain amount of waste unnecessarily burdening any waste system and the same amount or volume of material, most often pulp, will have to be produced. In the embodiment of the diapers according to the invention, an equal sized panty liner can be used for absorbent absorbent cores of different absorbent capacity.

In a preferred embodiment of the invention said flap portion is made so large that it can be used to actually wrap the absorbent pad, which can be made as a low-strength pad, thereby promoting their flushability. said absorbent pad may be made loose, non-continuous.

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Brief description of the pictures

·. In the following, the invention will be described in more detail with reference to the accompanying drawings, in which Figure 1 shows a plan view of a diaper member according to the invention; . y ,,. .. _Ύ frr · ·, ·. · ·

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Fig. 2 shows a corresponding view of the diaper insert;

Fig. 3 is a perspective view of the sanitary napkin;

Fig. 4 shows a perspective view of a preferred embodiment of a diaper according to the invention;

Fig. 5 is a perspective view of a preferred embodiment of a diaper according to the invention;

Fig. 6 is a cross-sectional view of the above embodiment of a diaper according to the invention;

Figures 7 and S show sections of an absorbent pad intended for the aforementioned diapers, and Figures 9 and 10 show a perspective and rear view of the pad according to the invention.

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The diaper shown in FIG. 1 comprises an outer cover or panty portion 2 made of cotton or a matching material. This material does not in itself constitute a relevant diaper absorbent, and the coating 2 may thus be manufactured as a low weight product, preferably consisting of two textile layers 4 between which a third layer 6 of a liquid impermeable material is interposed. This layer has a somewhat smaller surface area and does not reach the edges of the coating 2. 2a For easy washing and drying of the coating, a blend of 60% cotton and 40% polyester can also be used instead of pure cotton, which also extends the life of the product. The synthetic fiber content of this cotton blend may be even higher, since this portion of the diaper is not required to absorb the liquid and therefore may not have any absorbent capacity. The use of a higher content of man-made fibers does not even hinder the comfortable and pleasant feeling, given the fact that at present it is possible to produce modern man-made materials that are very fine and comfortable. Said coating may be provided with special closing means, for example Velcro strips, as well as, on the other hand, may be made with respect to high quality, for example with built-in rubber strips at the edges of the side recesses. Although at first glance, this article is much more expensive compared to a disposable diaper, it can be reused hundreds or more times of the same quality without compromising user comfort, unlike this diaper.

At the points adjacent to the legs and waist, the skin will only come into contact with the comfortable breathable textile material of the coating, since said layer o is somewhat withdrawn from the periphery of said coating. Layer 6 will be on

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layers adjacent to the skin. It should be noted that it is not necessary for the layer 6 to be offset from said edges since the skin will only contact the breathable textile layer anyway. The edge surface of said layer 6 can then be effectively prevented from contact with the skin by forming an edge flange at the bend formed by bending the edge of the coating outwards.

A seam 8 is sewn to the inside of said cover 2 at the seam 8. , · Λ · τΜίν ' ^«2 textile flap 10 of ^one nonabsorbent material permeable for tkápaltnu, for example, material of the type known from the inner side of disposable diapers, AIE possibly even better quality. This flap covers the entire critical area and is designed to cover the diaper insert 12 that lies beneath it. Optionally, the free end of said flap may be releasable attachable to said cover 2, for example by means of a Velcro.

Diaper inserts, as already mentioned, can be made in /

various modifications, for example, special diaper pads for boys respectively. for girls, or diapers of different sizes, or pads with different absorption capacity. Said pads may be made of fibrous material without any wrapping, optionally with an increased concentration of binder fibers on the sides and with a controlled content of highly absorbent material. Said insert may be sealed at the edges by welding or any other means. Their outer sides may carry a pair of adhesive strips that will stabilize the inserts when fastened in diaper pants. These liners will be adaptable to the waste or degradation systems that the user will typically use to dispose of them, such as incineration, direct composting, or river composting

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. '' ·: - '. «: A ->>/' ^, · '. · ^A ' make up '. Ή 'í V i. ·.' · '.' · A &quot; R &apos; -v. * ά <i '··',. obtained from the sewage system into which they receive after flushing into the toilet. Larger liners could have a problem in flushing them, and therefore, the liners of the invention are made so that they can be easily divided into two or more parts when removed from said coating. Flushing

·. The inserts may be attractive to the user, and the user will be encouraged to carry out a state of the art disposal of this type of waste if the inserts are manufactured so as not to block the waste when flushed into the toilet. Said pads may comprise mutually separated portions joined only by an adhesive tape to form an integral pad, and the user could only disintegrate said pad by tearing off the tape. Figure 2 shows the diaper insert 12 with the disintegration area 14 indicated.

Giant. 3 illustrates a sanitary napkin comprising a corresponding absorbent pad 12 surrounded by a wrapper having an outer layer of liquid-impermeable and non-absorbent liquid-permeable inner layer. The package according to the invention is provided with a pull-out string 15 which in a simple manner allows the user to open the package to empty its contents, i.e. the absorbent pads used, into the toilet and then to handle the package as solid waste, or parts joined only by a removable adhesive tape.

The principle described herein, i.e. the removable absorbent pad, can also be applied to the original disposable diapers. Due to the removable liner that can be flushed into the toilet, domestic waste will only be burdened with the remainder of the diaper.

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1, except that the flap 10 is now sewn or otherwise attached to the body by its three sides so as to form *. . .

a longitudinal pocket that is accessible from the rear end of said diaper. This opening may be into the. referred to as insertion pockets, tak'vyjímána absorbent pad 12. The pad 12 will be completely hidden in said pocket, said absorbent pad and therefore may not be so firm _r. In the marginal case, it might be sufficient to use 7-: v <-ν · \ ·· Μ <£ ΜΧ '«vW.

handful ^[free: fibers of a blend of cellulosic fibers and c; * XX '.'<·' »· T'í;. · ..''' • χ'.ζν ·, · '·. Fibers of the highly absorbent material; but are preferably used

prefabricated fibrous packages having a wrapper comprised of paper similar to toilet paper. These inserts are very suitable for flushing into the toilet after being pulled out of said longitudinal pocket.

The manufacture of liners requiring low strength is very easy, and this low strength just allows the liners to be flushed into the sewer system. The inserts need not be wrapped with any particularly strong material. Optionally, the surface thereof may be provided with a layer of a suitable binder which is sprayed onto the liner and which is partially decomposed already while in the diaper pocket due to the liquid present.

After use, the insert can be easily injected or rinsed out of the diaper pocket, and flushed, crumbling very easily. If desired, this insert can be disposed of as a completely compostable solid waste, a so-called green waste product.

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4 -: -, ./λ. '4',. <; ··. -0; ^, / · - *. Preferably, only a length of less than half the length of said pocket is used. The insert can then be positioned so. In addition, for particularly productive periods, for example overnight, two partially overlapping inserts can be placed in said pocket, thereby achieving the desired difference when using cheap standard items. It is also possible for said inserts to be even smaller in terms of area and width, and the use can then be further differentiated. T \

By varying the flap 10 of Figure 1 and the pocket of Figure 4, multiple flaps or half pockets of liquid-permeable material may be used, such as a side flap fixed to one of the sides and a half pocket fixed by the longitudinal side and the shorter front, allowing easier removal. absorbent pads or pads that are still sufficiently stabilized in use. Even the traditional disposable diapers may advantageously be arranged in this or a similar manner so that the inner absorbent portion and the coating may be separated from each other after use, and then disposed of in the most appropriate manner.

The preferred embodiment of diaper pants or of the coating is shown in Figure 5. The textile diaper of Figure 1, _t is completed quilted textile strip 20, which can in known manner to prevent extrusion of the central production area to the sides and rearwardly. The strip may be of the same impermeable but still breathable material as the layer 6 in the coating. A laterally extending flap portion 22 is fastened to one of the sides of the strip

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As shown in the figure, the flap portion may have folded side edge portions 24 between which an absorbent pad 12 may be positioned at the outer end of said flap portion, whereupon the flap 10 may be positioned thereafter. said flap portion being folded several times until said absorbent pad reaches the desired position within the space formed within said strip 20, see FIG. 6.

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This solution allows for easy attachment of the absorbent pad 12, and particularly its effective wrapping in the flap portion 22. Furthermore, it also allows for easy removal from the position by tilting the cover to the side whereby the pad is rolled, preferably into toilets where it is flushed.

Since the absorbent pad 12 will in this case be particularly well protected within the folded flap portion 22 that is retained within the pocket 20, the absorbent pad 12 may be tat ^; the insert is correspondingly weak so that it can be easily disintegrated when flushed into the toilet.

Advantageously, see Figure 7, said absorbent pad 12 is made as a layer 28 of fibrous absorbent material surrounded by a wrapper 28 of a low moisture strength paper, such as toilet paper, that may be wrapped one or more times around said fibrous layer 28. In Figure 7, the fibrous layer is wrapped once and a half, the product thus having the strength of two layers on one side, while having only one layer of paper on the side edges. In the event that the fibrous layer 26 expands as a result of liquid absorption, the regions of these side edges will expand along with the associated widening. $, T Tbi - V. ''> £ · ΗΙ »&ν> χ rt * iP 7 ... ,. * * Λ *; - Φ,: ... 6 /, * '· μ5ιΛ. ·; · □ in Λ - Λ &; ?? *% / ^K? ; ^: Í? ";>'Γί ιί ϊύίτΒ T * ^{<^} / & AtóÍMřlášílíjjy S * ^.,.: ...- j' ·? /«. FCJ. ^ iW-έ ifTT · »· ..ÍA. * ·! · ^?» y '''> - ^ 2 ^ ^1' and '">·' ·. ' ashra * J, 7 * '''; fé * h * ' ^J -. t · ·. ·: '.'. ·,. ·. . '.

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with the flush itself, it further disintegrates; .

As noted in connection with Figure 3, the absorbent pad may be provided with a tear cord 16, which is now intended to tear the paper wrapper around the fibrous layer; 26 for easy flushing throughout. '. '<- i';<. * i absorbent pads Ί2? It should be noted that the faeces, if any, will be removed and placed in the toilet before the pad is prepared for flushing as described above. ⁴

Figure 8 shows that instead of a single fibrous layer 26 two separate layers or inserts 30 can be used. This separation can be carried out essentially in both the longitudinal and transverse directions. This separation ensures in advance that the inserts are divided into relatively small pieces that can be flushed without any problems. This can cause problems in production, but already splitting the fiber layer into two. In the longitudinal or transverse direction, good results are obtained.

Figure 9 shows that the absorbent pad 12 may appear to be a suitable closed package comprising a paper wrapper 23 closed at the ends of the compressed salts 32. Thus, such a pad may be flushed to the toilet as a whole after use in a more or less disintegrated state.

In order to make full use of the absorbent capacity of the highly absorbent liner material, it is necessary to provide the same. Jto *. i * 4 '-¾¾ ^- --- t

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It should be noted that, in order to further optimize the paper wrappers, the fiber direction that will promote fluid flow predominantly in the longitudinal direction of said paper can be used.

·. · * ·! · '·''' A ''. ) “F. in absorbent pads. In addition, a fabric can be selected for the production of the flap to allow good liquid distribution. . - ^τ: ¾ Γ

Although its absorbent capacity is not fully utilized after removal of the liner, moistening at least a portion of the liner is sufficient to weaken the paper wrapper, which can then be easily torn. Most users have automatically made sure that the sanitary napkin is at least partially disintegrated prior to inserting the sanitary napkin, and since the flap fabric is generally deformable, the user can simply disintegrate said absorbent sanitary napkin by manipulating the wrapper 22 or the entire region of said diaper. crushing said absorbent pads will therefore not be necessary.

Claims (6)

A diaper-type panty article for use in combination with a fibrous liner core wrapped such that it is accessible from one side to a liquid through a permeable non-absorbent cover sheet, while on the other side said liner core is covered with a liquid-impermeable material, wherein said panty article is a laundry and reusable textile unit comprising generally at least two textile layers and a liquid-impermeable barrier layer interposed therebetween, wherein the skin-facing side of the article is provided with an openable and closable pocket or flap formation made of said permeable nonabsorbent coating film and adapted to accommodate one or more absorbent pads of the flushable type. A panty according to claim 1, characterized in that said flap formation is a foil member attached to said panty only along one side or only at its end so that it can be used as a wrapper for said absorbent pad (s). 3. A panty article according to claim 2 wherein said flap foil member is affixed to said panty along a longitudinal seam such that it extends from the seam generally in the transverse direction of said panty. . · '' &&&&% $ & i · T: '? Λ. ★ ^ ^ í F: ''. * 17- '' - J '' k, £. <"►". íjf- Χ ϊ'Ν '1 VdV & V Λ. , O.r <...,.,., ^,. - - j ... _., ·. · .. * '- r and j 4 ^T ΖίϊΛ ^ *: <1. · · - JL-> V4. Panty according to claim 2, characterized in that the panty liner is as defined in claim 1. . '> - f <“· '. · * ··' ··. ý - '. that ^with said pocket or flap is fořřnace upeVněnaTtakovým 'way that said insert or inserts may, naturally umlstitelné be defined freely in an edge extending barrier strip on the inside of said shoe panties. The brief-fifth f> roťkrid according to claim 2 wherein, r M t, _t said flap formation is made s.přehnutými side '. . '''Τý;'''' ·. · ',' «· '' I? '. the edge portions for accommodating opposite edge regions of the insert. 6. The panty article of claim 1, wherein there is a connection between said panty liner and said liner for use in said panty article. automatically at least partially disintegrating said insert member.