KR20030016440A - Tooth brush with fluid injectable handle - Google Patents

Abstract

PURPOSE: Provided is a toothbrush with a grip formed to inject liquid which gives flexibility in grasping the grip to be proper for users' hand so that it enables to distribute pressure imposed in brushing one's teeth uniformly. CONSTITUTION: In the common toothbrush which includes a head(1) having a hair part, a neck(2) connecting to the head and a grip to be grasped and used by users, the toothbrush with the grip formed to inject liquid is characterized by including liquid storage space within the grip, in which a liquid injector(5) and a stopper(6) are formed to inject or eliminate liquid from one part of the grip as necessary so that liquid is eliminated to be carried in a minimum volume in carrying.

Description

Tooth brush with fluid injectable handle

The present invention relates to a toothbrush made of a handle to inject a fluid, and more particularly, to a toothbrush made of a shape by injecting a fluid into the handle of the toothbrush, when the fluid is removed, it is possible to fold to a minimum volume, Due to the characteristics of the fluid, the grip of the brush is improved compared to a conventional toothbrush, and the pressure applied when brushing is evenly distributed, thereby reducing teeth and gum damage and brushing according to the shape of the tooth. It is related to a toothbrush that maximizes portability by making it easier to remove plaque, which is most effective in preventing gum disease or tooth decay, and at the same time, minimizes the volume by removing fluid when carrying.

Effective plaque removal and gum disease prevention are important to maintain healthy teeth. To this end, a head with a handle and bristles and a toothbrush connected with a neck are used. A toothbrush is used to brush and remove tooth debris and plaque that can be attached to a tooth. I can prevent illness.

To effectively remove the plaque, all the teeth should reach the toothbrush and evenly brush the teeth. In general, the tooth shape is not arranged in a straight line, but at a certain angle between adjacent teeth. To effectively remove the toothbrush handles, the handles are adequately flexible and must be moved to all teeth. In addition, in order to prevent gum disease, it is important to provide proper gum massage when brushing gums or to properly distribute the excessive force applied to teeth or gums to prevent gum damage.

Usually, the handle of the toothbrush handles about 250 to 500 grams of force when held by the hand when brushing the teeth, and this force is transmitted to the teeth or gums through the toothbrush bristles. It can be damaged.

However, the conventional toothbrushes are made of hard plastic toothbrush handles, and the shape of the toothbrush handles is hard to move at all because the toothbrush handles are hard to move at all. In addition, the handle made of plastic slips well in water, so the grip is inferior, which may cause injury in the mouth.

In order to solve this problem, toothbrushes have been developed that combine grip and softness such as rubber to the handle of a conventional toothbrush, thereby improving the grip and elasticity of the toothbrush.

However, these toothbrushes, like the ones mentioned above, when the user brush their teeth, are appropriately applied to the shape of the teeth to effectively remove the plaque, or to properly distribute the excessive force applied to the teeth or gums when brushing the gums. Because it does not have enough flexibility to prevent the action, it is unreasonable in terms of maintaining healthy teeth by brushing teeth.

In addition, these toothbrushes are poor in portability because the toothbrush handle is filled with a plastic type and the volume thereof cannot be reduced. To solve this problem, a portable toothbrush has been developed in which the handle of the head part and the regular cuboid part of the toothbrush neck part is separated, or the head and the handle can be folded.

However, these portable toothbrushes have a larger and simpler shape than conventional toothbrush handles because the handle must be able to accommodate the head when it is folded or detached. It is unreasonable for prevention and effective plaque removal.

Therefore, the problem to be solved by the present invention is to improve the grip by injecting fluid into the inside of the handle of the toothbrush using a soft film material, and to properly disperse the force applied to brushing the toothbrush hair to every corner of the mouth It provides a toothbrush that maximizes portability by making it possible to reach gum damage as well as effective plaque removal, and to form a fluid inlet for injecting and removing fluid so that the handle can be folded to a minimum volume when carrying. The purpose.

1 is a three-dimensional view of the primary molding of a toothbrush according to the present invention.

Figure 2 is a three-dimensional view of the toothbrush handle according to the present invention.

Figure 3 is a three-dimensional view when the fluid is injected into the finished toothbrush according to the present invention.

Figure 4 is a three-dimensional view when carrying after removing the fluid to the toothbrush finished product according to the present invention.

※ Explanation of codes for main parts of drawing

1: head 2: neck

3: handle 4: coupling part

5 fluid inlet 6 stopper

a: length of head b: width of head c: thickness of head

d: length of neck e: width of neck f: thickness of neck

g: length of handle h: width of handle i: thickness of handle

j: Length of joining part of primary molding

In order to achieve the above object, the present invention is a conventional toothbrush comprising a handle, a neck connected to the handle, and a brush portion formed by implanting the bristles on the tip toothbrush head of the neck, the fluid is injected into the handle It may include a fluid storage space that can be.

Toothbrush heads include polypropylene (PP), acrylonitrile butadiene styrene (ABS), styrene acrylonitrile (SAN), polyethylene terephthalate (PET), and cellulose propionate (CP), which are commonly used plastics. Polyvinyl chloride (PVC, in particular soft PVC), which is a soft film that can form a tube so that the handle can be fluidly moved and the brush can move smoothly and have good grip when brushing, can be used. Same)), polyurethane (PU), styrene-butadiene-styrene rubber (SBS), blend of polyvinyl chloride (PVC) and natural rubber, blend of polyvinyl chloride (PVC) and polyurethane (PU), Blends of polypropylene (PP) and ethylene-propylene-diene monomers (EPDM) or ethylene-propylene-rubber (EPR) can be used.

The toothbrush of the present invention uses a conventional plastic (PP, ABS, PETG, SAN, etc.) as shown in Figure 1 toothbrush neck (1) to a certain length of 10 to 80 millimeters in a direction parallel to the toothbrush head (1) (2) 1) to form a primary molded article, and as shown in Figure 2, the tubular handle (3) produced by using the material that can be used as the tube, the adhesive using heat fusion, high frequency fusion, adhesive 3 and the like can be completed by combining the primary molded product and the tubular handle (3).

By injecting fluid into the handle 3 of the finished toothbrush as described above, the flexibility and grip are increased, and when brushing, the toothbrush handle 3 can be flexibly moved according to the brushing angle and restored to its original state. Elasticity was given.

In this case, the fluid that can be injected into the handle 3 includes air that is blown into a person's mouth, air that can be injected using a device, a gas such as nitrogen, or a liquid such as water or oil.

In addition, the fluid inlet (5) is formed in the handle (3) to inject and remove the fluid is used to inject the fluid when brushing, and when the fluid is removed when the fluid is removed to fold to minimize the volume of the handle (3) It can also be given a function that can be simple.

Looking at the technical configuration of the present invention as follows.

The length (a) of the toothbrush head (1) is 10 to 40 millimeters, the width (b) is 5 to 15 millimeters, the thickness (c) is 3 to 8 millimeters, the cross-sectional area is preferably 15 to 300 square millimeters, the head (1) The length (d) of the neck (2) formed parallel to) is preferably 10 to 80 millimeters, the width (e) is 5 to 15 millimeters, the thickness (f) is 3 to 20 millimeters, and the cross section is preferably 15 to 300 square millimeters. . If the value is exceeded it could feel a foreign body when brushing the teeth, if less than the value may be a problem that is easily broken with a small area to be brushed is uncomfortable.

The thickness of the soft film used as the handle 3 is preferably 0.01 to 0.5 millimeters. If less than 0.01 millimeters, there is a fear that the film bursts, if it exceeds 0.5 millimeters may have a problem that the flexibility of the tube is reduced. The length g of the handle 3 is preferably 40 to 150 millimeters, the width h is 10 to 40 millimeters, the thickness i is preferably 10 to 40 millimeters, and the cross-sectional area is preferably 100 to 1600 square millimeters.

The shape of the handle 3 may include all shapes such as geometric shapes such as squares, hexagons, and circles, and characters such as figures and animals, and the coupling portion 4 of the neck 2 and the handle 3 may be included. The length j of the minute is 3 to 50 millimeters, and the ratio of the length d of the neck 2 to the length g of the handle 3 is preferably 1: 0.5 to 1: 5.

In addition, a portion of the handle 3 may be formed with a fluid inlet 5 and a stopper 6 capable of injecting and removing a fluid so that the fluid can be carried at a minimum volume by removing the fluid.

Hereinafter, using the toothbrush having the optimum flexibility prepared by the present invention and the existing general toothbrush and portable toothbrush, a comparative evaluation experiment on the consumer evaluation and the plaque removal effect on the usability. However, the scope of the present invention is not limited to the following examples.

The preference and the plaque removal effect of usability for the toothbrush prepared in the following examples were carried out in the following manner.

<Example>

As shown in Table 1 below, the toothbrush head (3) and the toothbrush head (1) made by using injection technology after designing the toothbrush bar that can most effectively give flexibility and inject and remove fluids An experimental toothbrush was prepared in which the handle 3 was combined.

<Comparative Examples 1 and 2>

Comparative Example 1 used a conventional toothbrush that is commonly used, and Comparative Example 2 was conducted using a conventional portable toothbrush that the toothbrush handle (3) is a hollow rectangular shape and can be separated and combined with the head (1).

division Example Comparative Example 1 Comparative Example 2 Handle material Soft polyvinyl chloride Polypropylene Polypropylene Handle mode Tubular Long stick Hollow Cuboid Handle length 120 mm 120 mm 90 mm Handle width 15 mm 15 mm 15 mm Handle thickness 9 mm 9 mm 22 mm

Experimental Example 1 Evaluation of Preference for Consumer Usability

Toothbrushes manufactured in Example, Comparative Example 1 and Comparative Example 2 were used for a certain period of time (30 days), and then, the panel panel test was performed using a 5-point comparison method. The result of measuring the average value is shown as Table 2.

Usability preference Example Comparative Example 1 Comparative Example 2 Toothbrush flexibility 3.9 3.6 3.0 Handle grip 4.0 3.7 3.0 Protection of gums when brushing teeth 3.5 3.4 2.9 Cleaning feeling after brushing 3.6 3.5 2.9 Convenience of carrying 3.9 3.2 3.8 Overall satisfaction 3.8 3.6 3.2

◆ Evaluation Criteria

5: Very good 4: Good 3: Normal 2: Defect 1: Very poor

As shown in the results of Table 2, in the case of Examples compared to Comparative Example 1 and Comparative Example 2 in terms of preference for overall satisfaction, such as toothbrush bar flexibility, grip (3) grip, protection of the gums when brushing, brushing, convenience of carrying Found to be excellent.

Experimental Example 2 Comparative Evaluation of Plaque Removal Effect

Thirty clinical subjects were selected, and each of 10 toothbrushes manufactured in Example, Comparative Example 1 and Comparative Example 2 was used for a certain period of time (30 days), and then after 14 days and 30 days after 0 days The rate of decrease of the Plaque Index (%) was specified and the results are shown in Table 3. The plaque index is the value of the plaque attached to the tooth surface using a coloring agent, and the amount of plaque on the tooth surface is expressed as a score of 0 to 5 points. After removal of all, the plaque index decrease was measured on the 14th and 30th days, and the reduced plaque index was expressed in%. The larger the value, the better the plaque removal effect.

division % Of Plaque Index Reduction Example Comparative Example 1 Comparative Example 2 14 days later 4.3 ± 0.1 3.9 ± 0.2 3.3 ± 0.3 30 days later 8.5 ± 0.2 7.9 ± 0.3 6.3 ± 0.2

As shown in Table 3, the toothbrushes of Comparative Example 1 and Comparative Example 2 showed a decrease in the Plaque Index (7.9% and 6.3%) after 30 days of use, whereas the toothbrushes prepared in Examples of the present invention were 8.3 The value of% was found to be excellent in plaque removal effect.

As described above, the present invention provides a toothbrush with improved toothbrush flexibility, grip (3) grip, brushing teeth, gum protection effect, convenience of carrying, etc. It is a preferable invention to provide.

Claims (8)

In a toothbrush comprising a handle, a neck to which the handle is connected, and a brush portion that is bristled with bristles on the tip toothbrush head of the neck, Toothbrush having a fluid storage space in the handle. The method of claim 1, Wherein said fluid storage space includes a fluid inlet and a stopper for injecting and removing fluid therein. The method of claim 1, Polyvinyl chloride (PVC), polyurethane (PU), styrene-butadiene-styrene rubber (SBS), blends of polyvinyl chloride (PVC) and rubber (naturla rubber), which can make the shape of the tube tube Blend of vinyl chloride (PVC) and polyurethane (PU), blend of polypropylene (PP) and ethylene propylene diene monomer (EPDM), blend of polypropylene (PP) and ethylene-propylene rubber (EPR), styrene-butadiene- The toothbrush, characterized in that made of a soft film made by one or more of the blend of styrene rubber (SBS) and polystyrene (PS). The method of claim 3, wherein Toothbrush characterized in that it comprises a handle having a thickness of the flexible film 0.01 to 0.5mm. The method of claim 1, The toothbrush has a length (g) of 50 to 150 millimeters, a width (h) of 10 to 40 millimeters, a thickness (i) of 10 to 40 millimeters, a cross-sectional area of 100 to 1600 square millimeters. The method of claim 1, The shape of the handle is a toothbrush, characterized in that it is made of any shape selected from the group consisting of a geometrical form, such as a square, hexagon, circle, and the like character, animal, and the like. The method of claim 1, And the length j of the coupling portion of the neck and the handle is 3 to 50 millimeters, and the ratio of the length d of the neck to the length g of the handle is 1: 0.5 to 1: 5. The method of claim 1, The combination of the neck and the handle is the toothbrush, characterized in that combined in at least one method selected from the methods such as thermal fusion, high frequency fusion, adhesive bonding.