JP3930815B2 - Paper manufacturing method and paper manufacturing apparatus in which two sheets of water-disintegrating paper are stacked - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is a water-degradable toilet paper, a wipe for infants and the elderly, treatment paper including tissue paper, paper towels, chemicals, etc. The present invention relates to a method for manufacturing a paper having moisture retention and the like and a manufacturing apparatus therefor. The paper referred to in this specification includes a roll type paper, a paper folded like a tissue paper, or a paper cut into a square.
[0002]
Moreover, the chemical | medical agent etc. as used in this specification include a paste agent, a softening agent, a moisturizer, a disinfectant, a detergent, a disease chemical, a pigment, a fragrance, etc. Furthermore, the water decomposability as used herein has solubility and dispersibility in water. The paper referred to in this specification is suitable for cosmetics, cleaning, medical use, infants, elderly people and the like.
[0003]
[Prior art]
Conventionally, as a paper product for cleaning and wiping with water-decomposability, water-cleaning wiping paper in which water-degradable paper is impregnated with a cosmetic oily raw material and a surfactant, and low-density tissue paper are treated with a flexible oil agent. There were shark skin cleansing paper products, skin cleansing / wiping materials in which oily components were impregnated in water-degradable paper containing eucalyptus pulp. Examples of the gazettes related to the technology include, for example, Japanese Patent Laid-Open Nos. 59-144426, 62-87117, and 4-15021.
[0004]
Japanese Patent Application Laid-Open No. 4-325129 discloses a toilet paper in which a water-soluble paper is impregnated with a solvent solution containing a disinfecting solute such as water or alcohol, a fragrance, or glycerin.
[0005]
[Problems to be solved by the invention]
Conventional paper is not suitable for mass production because the chemicals to be impregnated differ depending on the purpose, such as for cosmetics, cleaning, medical use, infants or elderly people, etc. Had the problem.
[0006]
Since the paper has not only different chemicals depending on purposes, but also softness and strength, it is difficult to mass-produce paper that simultaneously achieves softness, moisture retention, strength, and the like. In order to solve this problem, there is one that supplements the strength by overlapping two sheets of soft and moisture-retaining paper.
[0007]
The two-ply papers are pasted together by embossing the paper or applying a paste with a brush from the top and then superposing the papers to impregnate a chemical such as a paste. Brushes that apply glue and other chemicals come in contact with the paper and act against the direction of paper flow, which not only affects the drive of the paper, but also chemicals that contain glue, such as rollers and other mechanisms It adhered to the part, and the movement of the paper and the movement of the mechanism part were made worse.
[0008]
In order to solve the above-mentioned problems, the present invention is suitable for mass production that is compact, compact, and can be used for multiple purposes by spraying chemicals including glue in a non-contact state inside the two sheets of paper. An object of the present invention is to provide a paper manufacturing method and a manufacturing apparatus therefor, in which two sheets of water-disintegrating paper are stacked.
[0009]
[Means for Solving the Problems]
(First invention)
According to the first aspect of the present invention , there is provided a paper manufacturing method in which two sheets of water-decomposable paper are stacked, and two sheets of water-decomposable paper are stacked while spraying at least two kinds of chemicals in a substantially isolated spray chamber. are those continuously producing, Oite a lower sheet which is inserted from a downward direction of the spray chamber, the space formed between the inserted upper sheet from one side direction of the spray chamber, the non-contact After the chemicals are sprayed from different directions on the lower paper and the upper paper by the spray nozzle in the state, the lower paper and the upper paper are bonded to each other while moving in the other direction to become one sheet of paper. Features.
[0011]
( Second invention)
In the method for producing a paper having two sheets of water-decomposable paper according to the second invention, the chemicals are at least two of glue, softener, moisturizer, disinfectant, detergent, disease chemical, pigment, fragrance, etc. It consists of more than one type .
[0012]
( Third invention)
A paper manufacturing apparatus in which two sheets of water-decomposable paper according to the third aspect of the invention are stacked is provided with an approximately isolated spray chamber in which at least two kinds of chemicals are sprayed and two sheets of paper can move, and a first roll . Roller driving means for pulling out the wound lower paper from the lower side of the spray chamber, and pulling out the upper paper wound by the second roll from the one side direction of the spray chamber to the other side direction, respectively. In order to spray at least two kinds of chemicals or the like from different directions between the upper part of the lower sheet of paper drawn from the first roll and the lower part of the upper sheet drawn from the second roll, and at least two or more spray nozzles arranged in a non-contact state, respectively supplying chemical supply means different desired chemicals or the like to the spray nozzle, ejection superimposed while moving the upper paper and under paper Characterized in that it comprises a means.
[0014]
( Fourth invention)
In the manufacturing apparatus of the paper was two-ply paper having a water-disintegrable of the fourth aspect of the present invention, the nozzle of the sprayer is desired chemicals mixed, characterized in that the jetting.
[0015]
( Fifth invention)
According to a fifth aspect of the present invention, there is provided a paper manufacturing apparatus in which two sheets of water-decomposable paper are stacked, wherein the nozzles of the sprayer are provided in a number corresponding to a desired number of chemicals.
[0016]
( Sixth invention)
In the paper manufacturing apparatus in which two sheets of water-decomposable paper according to the sixth aspect of the invention are stacked, the spray chamber is characterized in that a temperature / humidity adjusting means is provided.
[0017]
( Seventh invention)
In the paper manufacturing apparatus in which two sheets of water-decomposable paper according to the seventh aspect of the invention are stacked, the roller driving means, the chemical supply means, the temperature / humidity adjusting means, and the motor are controlled by a control device.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
(First invention)
In the first invention, the paper wound around the two rollers is pulled out respectively, and the paper having water decomposability is double-superposed while spraying at least two kinds of chemicals in a substantially isolated spray chamber. It is wound around the roller. The paper is made of paper and has water decomposability. When the paper is overlapped twice, between the upper part of the moving lower paper inserted from the lower side of the spray chamber and the lower part of the upper paper inserted from one side of the spray chamber. In the formed space, chemicals and the like are sprayed from different directions by a non-contact spray nozzle . Thereafter, the lower paper and the upper paper are bonded together while moving in the other direction to form a single paper.
[0019]
The desired chemicals, etc. are sprayed in a non-contact state between the upper part of the lower paper and the lower part of the upper paper, so that they do not impregnate the paper. Can be easily done. The small amount of chemicals and the like means that the amount of chemicals and the like adheres to the mechanism part such as a roller and maintenance is easy. Further, since the spray is made between the upper part of the lower paper and the lower part of the upper paper, the movement of the paper is not adversely affected by the weight of the brush from the upper part.
[0020]
The spraying of chemicals and the like in the present invention is performed in a substantially isolated spraying chamber in which only the paper entrance / exit communicates with the outside. The desired amount can be sprayed uniformly without sticking.
[0021]
( Second invention)
Examples of the chemicals of the second invention include pastes, softeners, moisturizers, disinfectants, detergents, disease chemicals, pigments, fragrances, etc., and at least a plurality of these may be sprayed in combination. it can. That is, in the second invention, even if there are a lot of chemicals and the like, only two sprayers are required, and therefore the number of steps can be reduced.
[0022]
( Third invention)
The paper manufacturing apparatus in which two sheets of water-decomposable paper according to the third aspect of the invention are stacked is at least two types of chemicals are sprayed from the spray nozzle in a non-contact state with the paper, and the two sheets of paper can move substantially. A spraying chamber is provided. Roller drive unit, for example, the lower paper sheet forming the paper is wound in advance the first roll from below the spray chamber, also, the spray chamber Ueshi that is wound on the second roll Pull out from one side direction to the other side direction . The nozzle of the sprayer is composed of at least two nozzles, and two or more kinds of chemicals are placed in different directions on the upper part of the lower sheet of paper drawn from the first roll and the lower part of the upper sheet drawn from the second roll. It is arranged to spray.
[0023]
The chemical supply means supplies the sprayer so that a desired chemical or the like is sprayed from the nozzle to one or both of the upper part of the lower paper and the lower part of the upper paper. The two sheets of paper sprayed with the medicine and the like move while being superimposed on each other by the driving means. The chemicals sprayed between the lower paper and the upper paper are of high quality because a moderate amount is uniformly sprayed in a predetermined area.
[0024]
The paper manufacturing apparatus in which two sheets of water-decomposable paper according to the third aspect of the invention are stacked includes a sprayer nozzle and a spray chamber in which a part of the upper part of the lower paper and the lower part of the upper paper are accommodated. It does not adhere to the mechanism and does not adversely affect the operation of the manufacturing apparatus. By eliminating the roller equipment in the spray chamber and using only the nozzle of the sprayer, the apparatus can be easily downsized.
[0025]
( Fourth invention)
In the paper manufacturing apparatus in which paper having water disintegrability according to the fourth aspect of the present invention is stacked, the number of nozzles of the sprayer is two, and the desired chemicals and the like mixed are ejected from the nozzles. For example, the fourth invention can spray a mixture of paste, moisturizer, disinfectant, therapeutic agent, pigment, fragrance, etc. from two nozzles at the same time. Diversified paper can be manufactured with a manufacturing device.
[0026]
( Fifth invention)
In the paper manufacturing apparatus in which two sheets of water-decomposable paper according to the fifth aspect of the present invention are stacked, the number of nozzles of the sprayer is the same as the number of desired chemicals, etc. Can also be made. That is, according to the fifth aspect of the invention, a paper suitable for the purpose can be easily produced by selecting a desired nozzle by a control device described later.
[0027]
( Sixth invention)
In the paper manufacturing apparatus in which the two sheets of water-decomposable paper according to the sixth aspect of the invention are stacked, the spraying chamber is provided with temperature / humidity adjusting means, so that even if various kinds of desired chemicals are provided, the quality is high. Paper can be manufactured.
[0028]
( Seventh invention)
The control device in the paper manufacturing apparatus in which the two sheets of water-decomposable paper according to the seventh aspect of the invention are stacked comprises a roller driving means, a chemical supply means, a temperature / humidity adjusting means, and a motor to control the paper moving speed, chemicals, etc. Since the temperature and humidity at the time of spraying the supply amount and the chemicals can be adjusted, it is possible to obtain a good quality paper.
[0029]
【Example】
FIG. 1 is a conceptual diagram for explaining the outline of an embodiment of the present invention. In FIG. 1, a paper manufacturing apparatus in which two sheets of water-decomposable paper are stacked includes at least one or many chemical supply means 11 and a sprayer for spraying chemicals supplied from the chemical supply means 11. A spraying chamber 12, an adjusting means 13 for adjusting a paper feeding speed or temperature / humidity, a paper feeding driving means 14, and a control device 15 for controlling each means.
[0030]
The medicine supply means 11 includes, for example, an adhesive member supply means 111, a humectant supply means 112, a therapeutic agent supply means (hereinafter not shown), a pigment supply means, a fragrance supply means, and the like. Has been. The spray chamber 12 includes a first sprayer 121, a second sprayer 122,... Depending on chemicals to be sprayed. Each of the sprayers 121, 122,... Is provided with a nozzle, and is arranged so as to spray in a non-contact state on the upper part of the lower paper and the lower part of the upper paper.
[0031]
The adjusting unit 13 includes a temperature / humidity adjusting unit 131, a motor 132, and the like. The temperature / humidity adjusting means 131 appropriately maintains the temperature / humidity of paper, chemicals, and the like by adjusting the temperature / humidity of the spray chamber 12. The humidity is adjusted so as to be optimal when a chemical or the like is ejected from the nozzle. Moreover, the said temperature is adjusted so that it may become the optimal temperature when paper mutually adhere | attaches.
[0032]
The motor 132 moves the paper, for example, drives the first roller driving unit 142, the second roller driving unit 143, and the like. The motor 132 does not necessarily have to be as illustrated. A separate motor can be provided as a driving means for each roller. However, the plurality of motors must be synchronized with each other.
[0033]
The drive unit 14 includes a synchronization device 141, a first roller drive unit 142, and a second roller drive unit 143. The synchronizing device 141 can be provided as necessary, and synchronizes with the driving means so that wrinkles do not come when the upper paper and the lower paper are bonded. The first roller driving unit 142 and the second roller driving unit 143 pull out each of the upper paper and the lower paper, and finally drive the paper so as to adhere the same place. The control device 15 controls the medicine supply unit 11, the spray chamber 12, the adjusting unit 13, and the driving unit 14.
[0034]
FIG. 2 is a schematic view of a specific embodiment of the present invention. The paper manufacturing apparatus in which two sheets of water-decomposable paper in the present embodiment are stacked together includes a first roll 21 and a second roll 22 in which the paper is wound in advance on the core 211 or the core 221, and each of the rolls 21. , 22 are provided with a first drive roller 23 and a second drive roller 24 for moving the paper, and a take-up roller 25 for winding the paper from the rolls.
[0035]
In the paper manufacturing apparatus in which two sheets of water-decomposable paper are stacked, there are guide rollers 26, 26 ', 27, etc. in addition to the paper movement path. These guide rollers 26, 26 ′, 27 are not necessarily essential, and can be rearranged or removed as necessary to change the moving direction of the paper.
[0036]
Immediately before the lower paper 212 of the first roll 21 and the upper paper 222 of the second roll 22 are bonded, the spray chamber 12 is provided as necessary. The spray chamber 12 includes, for example, a sprayer 121 having a nozzle 28, a sprayer 122 having a nozzle 29, and so on. The lower paper 212 enters from the first paper inlet 123, exits from the paper outlet 125, and moves toward the winding roller 25.
[0037]
The upper paper 222 enters from the second paper inlet 124, exits from the paper outlet 125, and moves toward the winding roller 25. Immediately before the lower paper 212 and the upper paper 222 are overlapped and bonded on the second drive roller 24, the spray chamber 12 is provided as necessary.
[0038]
The nozzles 28 and 29 in the spray chamber 12 are arranged so as to spray toward the upper part of the lower paper 212 and the lower part of the upper paper 222. For example, the nozzles 28 and 29 may be provided as many as the number of medicines. The spray chamber 12 is uniformly sprayed with chemicals and the like sprayed from the nozzles 28 and 29. Moreover, since the said chemical | medical agent etc. are sprayed between papers in a non-contact state, only the required quantity can adhere uniformly, without preventing the movement of paper.
[0039]
When a single nozzle is used for the sprayer, a mixture of chemicals and the like is sprayed from the nozzle 29 of the sprayer 122 toward the upper part of the lower paper 212 and the lower part of the upper paper 222 in a non-contact state. When a large number of nozzles of the sprayer are provided, medicines and the like are sprayed from the respective nozzles. Therefore, by selecting the nozzles of the medicines and the like according to the purpose of paper or the like, one device is suitable for various purposes. Can produce paper.
[0040]
The spray chamber 12 can be reduced in size by providing guide rollers 26 and 26 'outside the chamber, and spraying can be performed more uniformly. Further, if the spray from the nozzle of the sprayer is performed toward the upper part of the lower paper 212 and the lower part of the upper paper 222, even if the spray chamber 12 is omitted, relatively chemicals or the like adhere to each roller. Since it is difficult, it has an excellent effect as compared with the conventional apparatus.
[0041]
The water-decomposable paper used in the present invention is a sheet material made of natural fibers, non-natural fibers, or a mixed sheet thereof. Examples of the natural fibers include non-wood fibers such as wood fibers, kenaf, bagasse, and bamboo. As the non-natural fiber, rayon fiber or the like is appropriate. The humectant is one or more of glycerin, diglycerin, polyethylene glycol, sorbit, propylene glycol, glycine betaine, pyrrolidone carboxylic acid, pyrrolidone carboxylate, maltitol, and sodium lactate.
[0042]
The dry paper strength enhancer is one or more components selected from sodium carboxymethylcellulose, starch, modified starch, guar gum, polyvinyl alcohol, and polyacrylamide, and in particular, sodium carboxymethylcellulose can be used.
[0043]
Furthermore, pastes, softeners, disinfectants, detergents, disease chemicals, pigments, fragrances, and the like are known or well-known ones, and those that can be used as paper are used.
[0044]
As mentioned above, although the Example of this invention was explained in full detail, this invention is not limited to the said Example. The present invention can be modified in various ways without departing from the scope of the claims. For example, the paper of the present invention can be optionally rolled and used as toilet paper, overlaid on the buttocks of infants and the elderly, tissue paper, paper towels, therapeutic paper containing medicines, and the like. The arrangement of the sprayer in the present embodiment is a schematic diagram and is not accurate. However, any arrangement may be used as long as it can spray chemicals or the like on the upper part of the lower paper and the lower part of the upper paper.
[0045]
【The invention's effect】
According to the present invention, since a desired chemical or the like is sprayed in a non-contact state between the upper part of the lower paper and the lower part of the upper paper, it is not impregnated by the paper. And it can be easily made into an appropriate amount. The amount of chemicals or the like that adheres to a mechanism such as a roller is reduced, and maintenance and the like are easy. Further, since the spray is made between the upper part of the lower paper and the lower part of the upper paper, the movement of the paper is not adversely affected by the weight of the brush from the upper part.
[0046]
According to the present invention, since the spraying of the chemical or the like is performed in an isolated spray chamber in which only the paper entrance / exit communicates with the outside, the chemical or the like is less likely to leak to the outside of the spray chamber, and the roller or the mechanism unit. A desired amount can be uniformly sprayed without chemicals adhering to the surface.
[0047]
According to the present invention, the chemicals and the like sprayed between the lower paper and the upper paper are of a high quality because a moderate amount is sprayed in a predetermined area.
[0048]
According to the present invention, since the nozzle of the sprayer and the spray chamber in which the lower paper and the upper paper are stored are provided, chemicals and the like do not adhere to the mechanism part, and the operation of the manufacturing apparatus is not adversely affected. By eliminating the roller equipment in the spray chamber and using only the nozzle of the sprayer, the apparatus can be easily downsized.
[0049]
According to the present invention, since the temperature and humidity adjusting means is provided in the spray chamber, high-quality paper can be produced even if various kinds of desired chemicals are provided. The control device in the paper manufacturing apparatus in which two sheets of water-decomposable paper are stacked is a roller driving means, a chemical supply means, a temperature / humidity adjusting means, and a motor to control the paper moving speed, the supply amount of chemicals, Since the temperature and humidity at the time of spraying chemicals and the like can be adjusted, high quality paper can be obtained.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram for explaining an outline in an embodiment of the present invention.
FIG. 2 is a schematic view of a specific embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 ... Chemicals supply means 12 ... Spray chamber 121, 122 ... Sprayer 123 ... 1st paper inlet 124 ... 2nd paper inlet 125 ... Paper outlet 13 ... Adjustment means 14 ... Drive means 15 ... Control device 21 ... first roll 211 ... core 212 ... lower paper 22 ... second roll 221 ... core 222 ... upper paper 23 ... 1st drive roller 24 ... 2nd drive roller 25 ... Winding roller 251 ... Core 26, 26 ', 27 ... Guide rollers 28, 29 ... Nozzle

Claims (7)

In a paper manufacturing method in which one sheet of paper is continuously manufactured by stacking two sheets of water-decomposable paper while spraying at least two kinds of chemicals in a substantially isolated spray chamber ,
A lower paper inserted from below of the spray chamber, Oite the space formed between the upper sheet which is inserted from one direction of the spray chamber, the lower paper and above the spray nozzle of the non-contact state A paper having water decomposability characterized in that after the chemical is sprayed from different directions on the paper, the lower paper and the upper paper are bonded together while moving in the other side direction to form a sheet of paper. A method for producing double-layered paper. 2. The water disintegrating property according to claim 1, wherein the chemicals are composed of at least two kinds of pastes, softeners, moisturizers, disinfectants, detergents, disease chemicals, pigments, fragrances and the like. A method for producing a paper in which two sheets of paper having a sheet are stacked. A substantially isolated spray chamber in which at least two types of chemicals are sprayed and two sheets of paper can move ;
For pulling out the lower paper wound around the first roll from the lower side of the spray chamber and the upper paper wound around the second roll from the one side direction of the spray chamber to the other side direction, respectively . Roller driving means;
In order to spray at least two kinds of chemicals and the like from different directions between the upper part of the lower sheet of paper drawn from the first roll and the lower part of the upper sheet drawn from the second roll , At least two spray nozzles arranged in a non-contact state ;
A drug delivery means for supplying respective different desired chemicals or the like to the spray nozzle,
Driving means for superimposing the upper paper and the lower paper while moving;
A paper manufacturing apparatus in which two sheets of water-disintegrating paper are stacked. Nozzles of the sprayer, paper manufacturing apparatus in two-ply paper having a water disintegratable claim 3 desired chemicals mixed, characterized in that the jetting. 4. The paper manufacturing apparatus according to claim 3 , wherein the number of nozzles of the sprayer is the same as the number of desired chemicals. The said spraying chamber is provided with the temperature / humidity adjustment means, The paper manufacturing apparatus which piled up the paper which has the water disintegration property described in Claim 3 characterized by the above-mentioned. The said roller drive means, chemical | medical agent supply means, temperature / humidity adjustment means, and a motor are controlled by the control apparatus, The water disintegrability described in any one of Claim 3 thru | or 6 characterized by the above-mentioned. Paper manufacturing equipment that stacks two sheets of paper.

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