JPS6137355Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a wet towel packaged in water-impermeable and gas-impermeable packaging that can be heated or cooled in a sealed state.

Recently, there are many types of disposable cloths on the market for conveniently wiping hands, private parts, anal areas of infants, etc. It is also known to impart sterilizing properties to the above fabric and use it for disinfecting skin mucous membranes and wound surfaces, sterilizing and disinfecting the skin of infants, and sterilizing and disinfecting the vulva.

However, all of these cloths are intended for cleaning or disinfecting one part of the body, such as the hands or fingers, and are not intended for the whole body.
Moreover, it lacks the ability to cool or heat as needed.

However, unlike the case of infants, it is impossible to give them a bath easily in the case of bedridden elderly people and severely disabled people, of whom there are many today.
On the other hand, bathing or similar cleaning procedures are essential to prevent or aggravate bed sores, which tend to occur when lying in bed for long periods of time. Therefore, if bathing is not possible due to circumstances, people will rely on momentum tenugui, but traditional tenugui do not have sufficient cleaning power.
Moreover, it has the disadvantage that it easily damages the skin, and it is uneconomical to dispose of it if it becomes contaminated with feces or the like. Furthermore, it is inconvenient to handle when it is desired to heat or cool it as necessary.

The proposed wet towel is intended to meet the above-mentioned issues, and has a cleansing effect similar to that of bathing for the whole body of bedridden elderly people, while being inexpensive, disposable, and easy to use when needed. heating,
The aim is to provide disposable wet towels that can be refrigerated and can be stored for long periods of time.

The key point of this wet towel is that a fabric impregnated with water, ethanol, isopropanol, or a mixture thereof is sealed in an airtight film with a glass transition point of -5°C or lower and a practical heat distortion temperature of 100°C or higher. is in

The cloth for wet towels according to the present invention is Mitsumata,
Paper or nonwoven fabrics made from natural fibers such as mulberry, gampi, and cotton, artificial fibers such as rayon, or soft water-absorbing synthetic fibers such as vinylon are preferable. The size thereof is at least 1300 cm ² or more, preferably 2000 to 3000 cm ² , and the thickness is preferably 0.1 to 3 mm.

The above wet towel fabrics are essentially impregnated with a non-toxic wetting agent such as water, dilute alcohol or dilute isopropanol. These humectants may optionally include inverse soaps, non-irritating disinfectants such as chlorhexidine, hygroscopic agents such as glycols or glycerin, oils, fats, lanolin, waxes, mineral oils, surfactants, fragrances, etc. However, cleaning ingredients such as fats and oils, lanolin, wax, mineral oil, and surfactants are particularly effective in removing stubborn stains that are difficult to remove even with soap. All of the components of known cleansing creams can be used as cleaning components for the wet towel of the present invention, and O/W type compositions are particularly preferred for this purpose.

The above impregnated fabric is folded into a certain shape and then sealed in an airtight film. For devising purposes,
The package must not become brittle, melt, or become severely deformed when cooled in a freezer or heated in a high-frequency microwave or hot water. Specifically, the film needs to have a glass transition temperature (Tg) of at least -5°C or lower and a practical deformation temperature of 100°C or higher. In addition, it is preferably substantially impermeable to vapors such as ethanol, isopropanol, and water. More preferably, it has thermal adhesive properties itself;
Furthermore, it is desired that the dielectric loss be as low as possible with respect to high frequency current. Specifically, materials that meet these requirements include polyvinylidene chloride,
There are polyamides, ionomers, etc., but they are tough,
Considering requirements such as heat sealability, it is preferable to use a laminated film. This laminated film is based on a strong film such as polypropylene or polyester, and is laminated with gas-impermeable polyvinylidene chloride, polyamide metal foil, etc. to further improve heat sealability. Preferably, the films are laminated. This heat-sealable film differs depending on the base film, but for example, when the base film is polypropylene, chlorinated polypropylene or ethylene-propylene copolymer is preferable, and when the base film is polyester,
Polyester copolymers and the like are suitable.

The laminated film may be formed by applying a gas-impermeable resin or a heat-sealable resin to a base film in a solution or molten state, or by bonding the films together with an adhesive. Alternatively, each resin may be laminated by a melt coextrusion method.

Aluminum foil has the greatest gas impermeability, but has the drawbacks of being opaque, susceptible to tension and bending, and blocking high-frequency currents. However, it goes without saying that it can be used depending on the sterilization method or the type of heating means.

When packaging the above-mentioned wet towels, the wet towels may be wrapped in a rolled state, but in order to improve heat conduction during heating and cooling, it is preferable to fold the wet towels flat. Sealing of the package is usually done by a three or four side heat seal method.

The wet towels of this invention are preferably cooled or heated before use. There is no problem because the freezer compartment of a household electric refrigerator can be used as is for cooling, but if a microwave oven is used for heating, the vaporization of the liquid inside must be taken into consideration. Therefore, explosion-proof measures such as vacuum packaging, using unstretched film, or creating a structural weak point in a part of the heat-sealed portion are desired. As a last resort, for example, the width of the heat-sealed portion may be partially narrowed or shallow cuts may be made.

Because the present package has the above-mentioned structure, it is very hygienic and can be used extremely conveniently for cleaning the skin of bedridden elderly people and severely disabled people.It is also disposable, which saves the time and effort of caregivers. significantly reduced. In particular, products containing cleansing cream ingredients have an outstanding cleaning effect, and products containing disinfectants have great value in terms of nursing care, as they can also be effective in treating bedsores, hemorrhoids, eczema, etc. has. Although the above explanation was made for bedridden elderly people, the proposed wet towels can be used not only for cleaning other people who have been bedridden for a long time, infants, etc., but also for general healthy people.
Naturally, it can also be used for cleaning the body of a person who cannot take a bath for a long period of time for some reason.

Next, the present invention will be further explained with reference to the examples of the drawings, which are merely illustrative and do not define the connotation or scope of the idea of the invention.

FIG. 1 is a perspective view showing an example of a wet towel package of the present invention, and FIG. 2 is a sectional view taken along the line A-A in FIG. 1.

The wet towel 1 is folded into a packaging film 2,
The films 2 and 2' are housed anaerobically in the film 2', and the peripheries of the films 2 and 2' are sealed with a heat seal 3.
A cut 4 is provided in a part of the heat seal portion 3. This cut is originally the starting point for tearing when opening the package, and when rapidly heating in a microwave oven, it helps the expanding steam to break the seal at the main cut and escape, which tends to cause a sense of anxiety for housewives and others. It has the effect of preventing explosions.

FIG. 3 shows another packaging structure for the wet towel of the present invention.
In this example, the films 2, 2' are provided with small holes 6, 6, . The entire package is covered with aluminum films 5, 5'.

In order to obtain the wet towel product of this invention, the fabric cut to a predetermined size is immersed in a predetermined adsorption liquid after being folded as is or folded to a predetermined size. Fold it, place it in a suitable film, and heat seal the periphery. Another method is to insert a pre-folded fabric into one of the open bags, then inject a predetermined amount of the liquid to be adsorbed into the bag and seal the bag opening. Two to three production examples are shown below.

Production example 1 Rayon nonwoven fabric (thickness 0.3 mm, weight 50 g/
^m2 ) into a 28cm/78cm rectangle and add 10% to it.
After impregnating with 20g of ethanol aqueous solution, it is folded and wrapped in a 17cm x 12cm retort packaging film (a laminated film made of polyvinylidene chloride/polyethylene terephthalate/polyethylene), and the surrounding area is heat-sealed.
Intermittent sterilization was performed three times under the conditions of heating at 100°C for 30 minutes and 24-hour intervals to obtain sterile wet towels.

This package can be opened as is, depending on the situation, cooled in the refrigerator, immersed in boiling water, or heated in a microwave oven and then opened. Both the size and the amount of impregnating liquid were sufficient to wipe the whole body of an adult.

Production Example 2 Instead of the rayon nonwoven fabric in Production Example 1,
A fabric made by sequentially laminating pulp and polyethylene film was used, and 0.5% of polyoxyethylene-(9.6)-lauryl ether was added to the impregnating liquid. This wet towel contains a nonionic surfactant, so it has better dirt removal power than the previous one, and the trace amount of surfactant that remains on the skin is
It acted as a moisturizer and suppressed itching in patients.

Production example 3 Rayon gauze (thickness 0.3mm, 80cm x 30
Aqueous solution containing 0.01% benzethonium chloride, 1% lauromacrogol, 1% propylene glycol, 0.01% menthol and 0.05% cologne in cm)
Add 30ml and fold it once along the long side, then fold it in thirds along the short side to make approximately 15cm x
Two pieces of 10cm size 12.5cm x 17.5cm
It was packaged in a retort packaging laminated film (polyethylene terephthalate/aluminum foil/polyethylene) of the size of , heat sealed, and then heat sterilized at 100°C.

In this example, since two similar towels are packaged, the first towel can be used to roughly wipe the entire body, and the second towel can be used to wipe the entire body completely. Therefore,
It is especially suitable for large people and sick people who cannot take a bath for a long time. In addition, since this example contains an anionic surfactant, it not only has a moderate disinfecting power, but also has a synergistic effect with the nonionic surfactant and propapylene glycol, making the cleaning action even stronger than in the previous example. Moreover, the moisturizing effect of these additives provides moisture to the skin. By the way,
If a small amount of oil, liquid paraffin, etc. is added to the original formulation and emulsified into an O/W type, the cleansing effect will be even stronger.

In addition, when using a set of two sheets as in this example, one sheet should be dedicated to cleaning and should have a strong cleaning effect.
The other one may be used for wiping and has a weaker cleaning effect.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of the wet towel package of the present invention, FIG. 2 is a vertical sectional view taken along line A-A in FIG. 1, and FIG. 3 is a perspective view of another wet towel package of the present invention. It is a sectional view showing an example. 1: Wet towel, 2, 2': Packaging film, 3:
Heat seal part, 4: cut, 5, 5': aluminum foil, 6: small hole.

Claims (1)

[Claims for Utility Model Registration] (1) Water, ethanol, isopropanol, or a mixture thereof, and if necessary, additional auxiliary ingredients such as bactericides, glycols, mineral oils, fats and oils, waxes, surfactants, fragrances, etc. A disposable wet towel in which an impregnated fabric containing a liquid substance containing a liquid substance is sealed in a bag made of an airtight film having a glass transition point of -5°C or lower and a practical deformation temperature of 100°C or higher. (2) The size of one unit of fabric is at least 1,300 cm ² , preferably 2,000 to 3,000 cm ² .
Wet towels listed in (1). (3) The wet towel according to claim 1, which contains at least one of mineral oil, fats and oils, and waxes and a surfactant as essential ingredients. (4) The wet towel described in registered claim (1), in which a weak seal portion is provided in a part of the seal portion of the bag-like package.