JP2001321289A - Continuous two-ply paper towel and manufacturing equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To exchange continuous towel equipped in a bathroom with continuous paper towel with lower running cost and to provide equipment for manufacturing them. SOLUTION: Two continuous towel materials 1a and 1b are glued by BOND for woodwork (registered trademark) and rolled up after embossing finish. The paper towel T is made so that it does not tear easily even if it is wet in use, because of a bonding part 2 arranged in parallel or in a fishnet pattern with the longer direction of the towel, which works as a reinforcing string. Used paper towels are rolled up in the other side, collected and recycled. The bonding part 2 is removed in recycling process and does not become an obstacle. In addition to being a low cost product, unlike cloth towels, the paper towel does not need cleansing and greatly contributes to the effective use of resources and the prevention of air pollution.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a towel box for hand wiping which is provided in a washroom or the like and is sequentially pulled out from one roll and used for hand wiping, and a used portion is wound around the other roll. The present invention relates to a so-called two-ply continuous paper towel and an apparatus for manufacturing the same.

[0002]

2. Description of the Related Art There are various means provided in a washroom or the like for wiping off water adhering to hands after hand washing. As one of them, as shown in FIG. 6, the long towel T of the cloth set in the towel box B for hand wiping attached to the wall W is sequentially fed from the upper roll to the lower roll. Some use continuous towels to avoid hand wiping in the same area. In this continuous towel T, an upper core 51 is provided with an upper towel roll T1 obtained by winding a long cloth towel in a roll shape, and a lower core 52 is provided with a lower towel roll T2 for winding a used portion.

[0003] A predetermined urging force is applied to the lower core 52 in the direction of the arrow so that the towel T is always lightly tensioned downward. In addition, the upper core 51 is designed to apply a braking force greater than the tension of the towel T to prevent the towel from being pulled downward except when the towel T is pulled downward by a certain force or more. It is. In this way, when using the towel, pull out the towel T forward as shown by the two-dot chain line and wipe it with your hands. After that, release the towel and release the towel by the urging force of the lower core 52. It is wound up and tensioned.

When all of the continuous towel is wound on the lower core 52, the towel is removed and collected, a new roll-shaped towel is attached to the upper core 51, and one end of the towel is wound on the lower core 52, thereby updating the towel. ing. The used continuous towels T are collected, washed, wound up again in a roll, and reused.

[0005] By the way, the supply and collection of such continuous towels is often performed as a patrol service by specialized service providers. However, the operation of washing the used continuous towel and winding the same again into a roll is troublesome, and the labor cost in the case of the delivery and collection by patrol is increased.

[0006]

To solve this problem, it has been attempted to use a disposable paper towel so as to save the labor of washing and delivery. Therefore, it is difficult to wind up and collect on the lower core.

[0007] Therefore, it has been attempted to employ a paper towel containing fibers, which is formed by laminating two paper towels and interposing a fiber net therebetween to bond the two layers. However, even if the paper-containing paper towel is to be recovered and reused, it is difficult to separate the paper fiber from the fiber net, so that the paper towel is eventually disposable and must be incinerated. For this reason, fiber-filled paper towels cannot be recommended from the standpoint of promoting effective use of resources and prevention of air pollution.

Accordingly, an object of the present invention is to provide a low-cost continuous paper towel that does not break even when wet when used and can be recycled even after use, thereby saving labor such as washing and effectively utilizing resources. And contribute to improvement of environmental purification.

[0009]

Means for Solving the Problems In order to achieve the above object, the present invention can realize the effective use of paper resources by employing the following means.

[0010] The two-ply continuous paper towel is
A plurality of paper towel cloths are arranged between the paper towel cloths, and the paper towel cloths are joined together in a superposed state by winding the paper towel cloths into a roll.
Since the two-ply continuous paper towel is reinforced by a bonding band formed by rolling a water-soluble glue, it does not easily break even when wet by hand wiping. Therefore, it can be wound up on a used roll after use, and can be rolled to reduce the volume, thereby facilitating collection. In addition, since the collected used roll can easily separate the bonding band (glue) in the used paper recycling process, paper recycling is promoted, thereby contributing to resource saving.

In addition, by disposing the bonding band of the water-soluble adhesive in parallel to the longitudinal direction of the towel cloth or in a mesh shape, the bonding band can be easily broken even when pulled in a wet state during use. Therefore, it is easy to take up the paper for recovery.

The above-described apparatus for manufacturing a continuous paper towel having two stacked layers is provided with the following means, thereby enabling manufacturing of the continuous paper towel in a roll form.

(A) Roll core for continuous paper towel supply. This constitutes a means for supplying continuous paper towel cloth, and includes a first paper towel cloth roll (hereinafter referred to as a "first roll") and a second paper towel cloth.
Paper towel cloth rolls (hereinafter, “second rolls”) are attached. This is an indispensable device for manufacturing two-ply continuous paper towels. The cores of the first roll and the second roll are installed at distant positions, and the paper towels drawn from the rolls attached thereto are merged on the way to form two sheets.

(B) Transfer drum. This is for transferring an adhesive (flowable glue) to the surface of the first roll of continuous paper towel fabric (hereinafter, “first paper towel fabric”). The peripheral speed of the transfer drum is set to be the same as the traveling speed of the first paper towel cloth so that no slip occurs. An arc-shaped groove is provided on the surface of the transfer drum so as to correspond to a pattern of a joining band for joining towel cloths.

(C) An adhesive supply device. The transfer drum supplies fluid adhesive (fluid glue) to the surface of the transfer drum, and includes a glue tank, a pump, and a supply pipe. As a glue to be used as a water-soluble adhesive, a glue having a high fluidity such as a woodwork bond is used.

(D) Removal means. The adhesive supplied to the surface of the transfer drum is evenly distributed and excess adhesive is removed, and the adhesive as the adhesive can be uniformly transferred to the surface of the first towel cloth.

(E) Contact roller. The first paper towel cloth is brought into contact with the surface of the transfer drum by a pair of rollers, and is a means for uniformly transferring the adhesive to the first paper towel cloth.

(F) A joining roller. The opposing surfaces of the adhesive transfer surface of the first paper towel fabric and the paper towel fabric drawn out of the second roll (hereinafter referred to as "second paper towel fabric") are pressed against each other from outside of each fabric to form paper towel fabrics. This is a means for joining. At the time of this joining, the adhesive arranged between the two paper towel fabrics becomes a belt-like shape by rolling and joins the towel fabrics, so that the two are superposed.

In the above-mentioned manufacturing apparatus, a drying device is installed on the downstream side of the joining roller in the traveling direction of the paper towel fabric by the above-mentioned means to dry the joining band made of the adhesive joining the two paper towel fabrics. It can be wound up in the state.

Further, in this manufacturing apparatus, by installing an embossing machine on the downstream side of the above-mentioned drying apparatus, the water absorption and feel of the two-ply continuous paper towel as a product of this apparatus are improved. is there.

[0021]

1 shows a continuous paper towel T according to the present invention, wherein FIG. 1 (a) is a front view and FIG. 1 (b) is an enlarged sectional view thereof.

This continuous paper towel T is formed by laminating two paper towel cloths 1a and 1b, and bonding them together by a bonding band 2 formed by rolling and drying an adhesive as an adhesive. The paper towel cloths 1a and 1b are embossed to form irregularities on the surface to make them fluffy, and to enhance the water absorption and feel during use such as hand wiping.

The bonding band 2 formed by rolling and drying the adhesive is
A plurality of paper towel cloths 1a and 1b are provided in parallel in the longitudinal direction between two superposed paper towel cloths 1a and 1b (five in FIG. 1).
The bonding band 2 serves as a reinforcing bar that bonds the paper towel fabrics together and prevents the paper from being broken even when pulled in a wet state. In addition, the glue serving as the bonding band has an appropriate viscosity and fluidity, and has a property of facilitating a bonding operation described later. In addition, it can be separated from paper fibers when a used continuous paper towel is recycled. It is required to be something.

The two-ply continuous paper towel T shown in FIG.
Is cut to an appropriate width and has a width that is easy to attach and detach to and from the towel box for hand wiping. By cutting this, a plurality of rolls having a predetermined width are obtained.

The bonding band 2 serves as a reinforcing bar for the continuous paper towel as described above. Therefore,
When the towel fabrics are joined together, their width and thickness are required to the extent necessary for strength, but beyond this limit the original softness of the paper is lost and it is uneconomical. In addition, the arrangement of the bonding zones is also restricted for the same reason as described above, but as shown in the figure, two of them are provided near the edges on both sides as shown particularly in the parallel shape, and in the center, 1
If a book is arranged, the strength will be sufficient with ordinary paper towel cloth. In the case of using paper towel cloth that is inferior in strength, increase the number of bonding zones,
Alternatively, by arranging them in a mesh shape, it is preferable to make the reinforcement excellent in all directions.

The two-ply continuous paper towel T is shipped in the form of a roll, mounted on the upper core of a towel box provided in a washroom or the like, and can be used by winding one end thereof around the lower core. At the time of use, when the towel is sequentially pulled down, the used portion is wound around the lower core. When the paper towel wound on the upper core has been used up, a new roll of continuous paper towel is mounted on the upper core to prepare for the next use. At the same time, used towels are collected from the lower core and can be recycled (see FIG. 5).

Next, an apparatus for manufacturing the above-described two-ply continuous paper towel will be described. FIG. 2 shows an outline of this apparatus. Since a specific configuration is a combination of various elements used in an existing paper towel manufacturing apparatus, a known apparatus will be omitted.

The transfer drum 3 is at the center of the manufacturing apparatus according to the present invention. As shown in FIG. 3, the transfer drum 3 has a predetermined diameter and width, and has a plurality of arc-shaped grooves 3a,.

Below the transfer drum 3, an adhesive (glue) supply device 4 is provided. The glue supply device 4 includes a glue tank 4a which is below the transfer drum 3 and also serves as a tray for the glue dripping from the drum, a pump 4b for supplying the glue therein to the transfer drum, and a glue supply pipe 4c. I have. The supply pipe 4c is branched into a plurality of parts, and each end 4d,
Are arranged close to the surface of the transfer drum 3 so that the glue spreads evenly over the entire surface of the transfer drum 3. (See Fig. 3)

Supply pipe 4 on the surface of transfer drum 3
A doctor 5 constituting an adhesive (glue) removing means is provided at a position close to each of the tip portions 4d of c. Doctor 5
Is formed by forming an elastic body such as rubber into a knife shape, and is provided such that the tip end thereof is lightly elastically contacted with the surface of the transfer drum 3. When the transfer drum 3 rotates in the counterclockwise direction in FIG. 2 (hereinafter referred to as “left-handed rotation”), the doctor 5 scrapes the glue raised on the drum surface and fills the groove 3a. Recoverable.

On the left side of the transfer drum 3 in FIG. 2, there are provided a first roll core 6 and a second roll core 7 which constitute means for supplying paper towel cloth. A continuous paper towel roll 7a is also attached to the second roll core 7 similarly to the first roll core 6, and can be merged with the paper towel cloth of the first roll core as described later. Above the transfer roll 3 and downstream of the doctor 5, a first contact roller 8 is provided. This first
The contact roller 8 is formed of a first roll core 6 wound around the first roll core 6.
First paper towel cloth 6 pulled out from supply roll 6a
It plays the role of guiding the b to be in contact with the surface of the transfer drum 3.

A second contact roller 9 is provided on the downstream side of the first contact roller 8 in the traveling direction of the first paper towel cloth 6b (below the transfer drum 9). Second contact roller 9
The first towel cloth 6b, together with the first contact roller 8, can be pressed toward the axis of the transfer roller so as to lightly contact the surface of the transfer drum 3.

On the downstream side of the second contact roller 9, a pair of rollers is rotatably supported with a small distance therebetween.
A pair of first guide rollers 10 is provided. The first guide roller 10 includes a first paper towel cloth 6b having one surface to which glue is attached, and a second paper towel pulled out from a second supply roll 7a provided below the first supply roll 6a. It functions to guide the cloth 7b so as to face the cloth 7b.

On the downstream side of the first guide roller 10 in the traveling direction of the paper towel cloths 6b and 7b, a joining roller 11 composed of a pair of rollers rotatable in a state where the opposing paper towel cloths are in elastic contact with each other. It is provided. The two paper towel cloths 6b, 7b are pressed by passing through the joining roller 11, and the glue 2b transferred to the first paper towel cloth 6b.
(See FIG. 4) is spread out and thinned, and the glue causes the two towel cloths to be completely joined at the opposing surfaces to form a two-ply state.

A drying device 12 is provided on the downstream side of the joining roller 11 in the traveling direction of the two towel cloths 6b and 7b. The drying device 12 plays a role of drying the glue 2a interposed between the towel fabrics by blowing warm air from both sides of the paper towel fabric. In addition, a far-infrared heater or an electric heater may be employed as the drying device 12.

Further, an embossing machine 13 is provided downstream of the drying device 12. This is because, as described above, the water absorbency and the feel are improved, and the paper towel cloth that has been stacked on two sheets is partially hardened due to the partial pressure of the glue 2a. Through embossing, the part where the glue has hardened is softened.

A second guide roller 14 is provided on the downstream side of the drying device 13, and a winding roll core 15 for winding up two stacked paper towels is provided on the downstream side of the second guide roller 14. The winding roll core 15 is provided with a number of through-holes, so that a negative pressure can be appropriately supplied from the center of the core, and the end of the paper towel cloth at the beginning of winding is adsorbed to the core, It can be rolled up easily without gluing. The take-up roll 15a formed by the take-up roll 15 is rotatable so as to wind up the paper towel cloth with an appropriate degree of tension. When the roll is wound up to a predetermined length, it is cut and moved to the next step. It is.

Next, the operation of the above-described manufacturing apparatus and a method of manufacturing a two-ply continuous paper towel will be described. First, the towel cloths 6b and 7b are set in the state shown in FIG. 2, and the leading end of the towel cloth is adsorbed to the winding roll core 15 with a vacuum pressure so that the winding is possible. At the same time, the glue 2a can be supplied to the surface of the transfer drum 3 from the glue supply device 4 and the production starts.

The glue 2a stored in the glue supply device 4 at the start of the operation is sucked up by the pump 4b, and supplied to the upper part of the transfer drum 3 from the respective tip portions 4d of the plurality of supply pipes 4c. . Although the supplied glue 2b is unevenly distributed on the surface of the transfer drum 3, the unfilled portion of the groove 3a is replenished by the doctor 5 as the transfer drum rotates counterclockwise, and the excess is scraped off. The whole is supplied in an averaged state in the groove (see FIGS. 3 and 4).

The glue 2b thus supplied into the groove 3a
As shown in FIG. 4, as the transfer drum 3 rotates counterclockwise, it moves in a state of being filled in the groove 3a and reaches an inclined surface which is easy to flow, but will soon be covered with one paper towel cloth 6b. Therefore, the glue 2b moves together with the outer peripheral portion of the transfer drum 3 while being prevented from flowing out from the groove 3a, and is carried to the lower side of the drum. Glue 2b is transfer drum 3
When it is located below, most of the glue is transferred because it acts to move to the contact surface of the paper towel cloth 6b due to the property of dropping by gravity.

First paper towel cloth 6b to which paste 2b has been transferred
Further turns counterclockwise with the transfer drum 3 and, at a position slightly past the center, around the second contact roll 9 for about a half turn to the first guide roller 10 (see FIG. 2). On the other hand, the glue 2b left in the groove 3a without being transferred is dropped in the form of a water drop and is collected by the glue supply means 4 or moved to the upper portion of the transfer drum 3 as it is and the next glue is supplied. They are merged and transferred again.

The first paper towel cloth 6 b having the paste transferred in parallel to one surface in this way is guided by the first guide roller 10 and flows toward the joining roller 11. On the other hand, the second
The second paper towel cloth 7b pulled out from the roll 7a is also guided by the first roller guide 10, and the first paper towel cloth 6b
And flows toward the joining roller 11 in a state of facing.
The towel cloths 6b and 7b are pressed from both sides by the joining roller 11, and the glue 2a interposed therebetween is pushed and spread to form a band-like joining band 2 (see FIG. 1). Joined to.

The paper towel fabrics 6b and 7b are joined to form a double sheet, and pass through the drying device 12, whereby the joined body 2 is dried. Next, by being embossed through the embossing machine 13, the adsorbability and feel of moisture are improved. Further, the paper towel cloths 6b and 7b are wound up by a winding roll 15a via a second guide roller 14 in a state of being stacked on two sheets.

The double-layered paper towel cloth wound up by the winding roll 15a is cut off when it is wound up by a predetermined amount, and is taken out therefrom. The taken out paper towel roll is conveyed to a cutting device (not shown), which is the next step, and cut into a predetermined width to form a paper towel roll that can be attached to a towel box (see FIG. 5). 2
The continuous paper towel T is completed (see FIG. 1). On the other hand, the leading end of the next paper towel cloth is subsequently brought into contact with the roll core 15, and is pressed down by the vacuum pressure to wind up the next paper towel roll.

Next, another embodiment will be described.
The towel fabric 1 is reinforced in all directions by forming the joining band 2 for joining the towel fabrics 1a and 1b together in a mesh shape.

In this example, in order to provide a transfer belt 33 with a mesh-like bonding band between towel cloths, a transfer drum 33 having arcuate concave portions provided with grooves 33a in an oblique pattern on the surface of the drum is employed. . FIG. 5 shows a transfer drum 33 having such a pattern and a transfer mechanism using the transfer drum. The actual pattern has a smaller groove portion and a wider interval than that shown in the figure.

The transfer mechanism of the glue by the transfer drum 33 is such that the glue 32b supplied to the surface of the transfer drum is scraped off from the surface by the doctor 5 from the tip 4d of the supply pipe 4c, and is filled in each groove 33c. This is the same as the transfer mechanism in the case of the parallel groove. However, the transfer mechanism from each groove 32c to the first paper towel cloth 6b in this embodiment is as follows. That is, the glue 32
In the initial stage in which b is located above the transfer drum 33, the glue 32c is unevenly distributed to the position on the right side of the groove, but the paper towel is displaced with the rotation of the transfer drum as follows. It is transferred to the fabric 6b.

With the leftward rotation of the transfer drum 33, the groove 3
The glue 32c in 3a gradually moves downward (to the left of the groove), and the left side of the glue comes into contact with the surface of the paper towel cloth 6b. Further, when the transfer drum 33 turns to the left, most of the glue in the groove is separated from the bottom surface of the groove and adheres to the surface of the paper towel cloth 6b to perform transfer. And glue 32c
Comes to just below the transfer drum 33, the transfer to the paper towel cloth 6b is completed. Then, when the paper towel cloth 6b is separated from the transfer drum 33 by the second contact roller 9, the glue 32c is also separated from the groove 33a accordingly.
A pattern of raised protrusions is formed on the surface of the paper towel cloth 6b. Thereafter, the process proceeds to the formation of the bonding band as in the case of the above-mentioned parallel pattern.

In the above description, the shape of the groove of the transfer drum is arc-shaped. However, the shape of the groove is not limited to this, and may be a semicircle or a semi-ellipse. In the case of a mesh shape, the shape may be devised to facilitate transfer, such as making the left side deeper. In addition to the arrangement pattern of the grooves being parallel or mesh-like, they may be lattice-like or line-like, and the spacing may be appropriately selected according to the properties of the paper toweling and the properties of the glue.

[0050]

According to the present invention, if the two-ply continuous paper towel according to the present invention is used in a towel box for hand wiping installed in a washroom or the like, washing such as when using a cloth towel is not required, so that delivery and collection can be performed. Since it can be omitted, the running cost can be reduced. In addition, used paper towels are collectively collected and made recyclable, thereby promoting the effective use of resources, preventing resource depletion, and contributing to the prevention of environmental pollution by eliminating the need for incineration and landfill. Note that this 2
By adopting the apparatus for manufacturing a continuous paper towel, a paper towel having the above-described characteristics can be provided at a low cost.

[Brief description of the drawings]

FIG. 1 shows the configuration of a two-ply continuous paper towel according to the present invention, wherein (a) is a front view and (b) is a line A in (a).
It is an expanded sectional view of -A.

FIG. 2 is an explanatory diagram showing a configuration of a manufacturing apparatus for a two-ply continuous paper towel.

FIG. 3 is a front view showing a relationship between a transfer drum, an adhesive supply pipe, and a removing unit.

FIG. 4 is an explanatory diagram showing a transfer mechanism of an adhesive (glue).

FIG. 5 is an explanatory diagram showing a transfer mechanism of an adhesive (glue) in another embodiment.

6A and 6B show an example of using a continuous towel using a towel box, wherein FIG. 6A is a perspective view, and FIG. 6B is a side view showing a state during hand wiping.

[Explanation of symbols]

 T 2-ply continuous paper towel 1a, 1b Paper towel cloth 2 Bonding band (glue) 2a, 2b Adhesive (glue) 3, 33 Transfer drum 3a, 33a Groove 4 Adhesive (glue) supply device 5 Removal means (doctor) 6, 7 Roll core 6a, 7a Roll 6b, 7b Paper towel cloth 8, 9 Contact roller 11 Joining roller 12 Drying device 13 Embossing machine 32b, 32c Adhesive (glue)

Claims (6)

[Claims] 1. A method in which a plurality of water-soluble adhesives are joined between two superposed paper towel cloths to form a bonding band, so that the paper towel cloths are joined in a superposed state. A two-ply continuous paper towel characterized by: 2. The method according to claim 1, wherein the joining band is arranged parallel to a longitudinal direction of the cloth.
Stacked paper towels. 3. The two-ply continuous paper towel according to claim 1, wherein the joining bands are arranged in a mesh form. 4. A roll core for supporting a first paper towel cloth roll (hereinafter, “first roll”) and a second paper towel cloth roll (hereinafter, “second roll”), and a paper towel cloth of the first roll. A transfer drum that transfers an adhesive having fluidity to a surface of the transfer drum; an adhesive supply device that supplies the adhesive to the surface of the transfer drum; and the adhesive supplied to the surface of the transfer drum is evenly distributed. Removing means for removing excess adhesive, a contact roller for bringing the paper towel cloth drawn from the first roll into contact with the surface of the transfer drum, and an opposing surface between the two paper towel cloths. And a joining roller that presses and joins with the adhesive. 5. The apparatus for manufacturing a two-ply continuous paper towel according to claim 4, wherein a drying device is provided downstream of the joining roller in the traveling direction of the paper towel cloth. 6. An apparatus for producing a two-ply continuous paper towel according to claim 4, wherein an embossing machine is installed downstream of said drying device in the direction of travel of said paper towel cloth. .