KR101628230B1 - Interdental Brush for Stress Dispersion and Manufacturing Method Thereof - Google Patents

Interdental Brush for Stress Dispersion and Manufacturing Method Thereof Download PDF

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Publication number
KR101628230B1
KR101628230B1 KR1020150057072A KR20150057072A KR101628230B1 KR 101628230 B1 KR101628230 B1 KR 101628230B1 KR 1020150057072 A KR1020150057072 A KR 1020150057072A KR 20150057072 A KR20150057072 A KR 20150057072A KR 101628230 B1 KR101628230 B1 KR 101628230B1
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South Korea
Prior art keywords
brush
receiving groove
stem
toothbrush
body portion
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KR1020150057072A
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Korean (ko)
Inventor
양영석
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양영석
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Priority to KR1020150057072A priority Critical patent/KR101628230B1/en
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Publication of KR101628230B1 publication Critical patent/KR101628230B1/en

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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
    • A46B15/0069—Brushes fitted with a interdental devices, e.g. toothpick
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0033—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions bending or stretching or collapsing
    • A46B5/0041—Mechanical joint or hinge, made up of several components
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0091—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body promoting relative motion during use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C15/00—Devices for cleaning between the teeth
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)

Abstract

The present invention provides a brush having a plurality of brush bristles at one end to effectively disperse the stress due to an external force and effectively prevent breakage of the bristles, A bristle having a stem formed to extend from the brush; And a toothbrush body portion having a receiving groove into which the engagement end of the stem can be inserted corresponding to the brush portion and formed in a structure that can be grasped by a user, wherein a receiving groove of the toothbrush body portion is formed in the stalk And a flow clearance portion formed between the receiving groove and the stem so as to disperse a stress corresponding to an external force of the stem, wherein the stress distribution type interdental toothbrush is formed by cutting a stem Forming a brush portion at one end of the stem so as to have a brush and having an engaging end opposite to the brush; Forming a toothbrush body portion having an inwardly recessed receiving groove at one end, the toothbrush body portion having an outer shape that can be gripped by the user; The method comprising: positioning the brush portion corresponding to the receiving groove of the toothbrush main body portion and then engaging the engaging end portion of the brush portion in the receiving groove; And repeatedly tapping and pressing the brush portion while the brush portion is inserted into the receiving groove of the toothbrush body portion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stress dispersive interdental toothbrush,

The present invention relates to a stress dispersive interdental toothbrush and a method of manufacturing the same. More particularly, the present invention relates to a stress dispersive interdental toothbrush and a method of manufacturing the same, The present invention relates to a stress dispersive interdental toothbrush capable of effectively preventing development, and a method of manufacturing the same.

Generally, an interdental toothbrush is a tool for wiping a region of a tooth which is difficult to be wiped by a general toothbrush when cleaning a tooth (hereinafter, referred to as an "interdental"), and a small foreign object and a plug Used to remove. In particular, an interdental toothbrush is used for finely wiping foreign objects in the interdental space when there is an interdental gap or a complicated restoration or correction device in the oral cavity.

The interdental toothbrush is structured as follows: a brush provided to be able to contact the interdental space and capable of cleaning the prag and foreign body; a main body having a relatively small diameter and a brush at one end, .

Here, the interdental toothbrush is classified into the structural form between the brush and the main body, and is manufactured and produced as "I" type and "L" type. An "I" type interdental toothbrush having a body and a brush in a mutually straight shape, and an "L" type interdigital toothbrush bent at a tip of the body and a brush at a right angle.

The interdental toothbrush is manufactured by separately forming a brush and joining the toothbrush with a handle. The toothbrush is manufactured by setting a brush on a metal mold and injection-molding the metal mold with a synthetic resin or the like to form a body.

The present invention relates to an interdental toothbrush which is formed by a handle and a head and removes an interdental toothbrush, which is disclosed in Korean Registered Utility Model No. 225939 (Mar. 21, 2001) A toothbrush holder having a handle and a cylindrical head formed with a through hole having an inner circumferential engagement ring on the distal end of the handle to detach the interdental toothbrush, a groove formed on the outer circumference of the tooth for insertion into the through hole of the cylindrical head, The toothbrush is interdental toothbrush which is formed to have a length smaller than the diameter of the inner diameter of the ball and longer than the length of the head so that both ends protrude forward and rearward when the tooth is inserted into the through hole and a wire having a circular brush attached thereto at the end of the body. There is known a refill interlabial toothbrush capable of improving the performance.

However, since the above-described conventional interdental toothbrush has a connecting structure in which wires constituting a brush are fixedly coupled to a cylindrical body that is injection-molded so as to be fittable to a toothbrush body, that is, an injection component (body), the frequency of brushing Stress is intensively generated at the brush connecting point, which is a state of being bonded to the main body due to the bending action, resulting in breakage, and the life of the product is very short.

In addition, the conventional interdental toothbrush has a structure in which the wire of the brush, which is a connecting portion with the main body, extends straightly while the main body is simply formed by injection molding. Since the main body and the brush are divided into different materials, The brush is easily detached from the main body, resulting in low durability.

Registered Utility Model Bulletin No. 225939 (Mar. 21, 2001)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for distributing stresses according to an external force by minimizing a fatigue load of a product, And an object of the present invention is to provide a stress dispersion type interdental toothbrush capable of enhancing durability and a method of manufacturing the same.

A stress dispersive inter-dental toothbrush provided by the present invention includes: a brush portion having a brush having a plurality of brush bristles at one end, a bristle having a stub extending in the longitudinal direction to form an engagement end opposite to the brush; And a toothbrush body portion having a receiving groove into which the engagement end of the stem can be inserted corresponding to the brush portion and formed in a structure that can be grasped by a user, wherein a receiving groove of the toothbrush body portion is formed in the stalk And a flow clearance portion formed between the receiving groove and the stem so as to disperse stress due to the external force of the stem.

The stem of the brush has a bent portion bent on the joint end portion and bent to protrude outwardly of the stem and embedded in the toothbrush body portion.

The receiving groove of the toothbrush main body portion is formed at a depth of 1/2 to 1/3 of the length of the engaging end portion of the stem of the brush portion that flows toward the receiving groove.

Further, the toothbrush body may further include a locking protrusion formed on the inner surface of the receiving groove and protruding toward the stem of the brush.

Further, the present invention may further include a joint end portion through which a laser light source is transmitted, and at least one point is integrally attached to the brush portion of the brush portion fixedly embedded in the toothbrush body portion, wherein the brush portion and the toothbrush body portion are integrally attached .

According to another aspect of the present invention, there is provided a stress dispersive interdental toothbrush manufacturing method comprising: forming a brush portion having a brush at one end of a stem after cutting a stem at a corresponding length, and having an engaging end opposite to the brush; Forming a toothbrush body portion having an inwardly recessed receiving groove at one end, the toothbrush body portion having an outer shape that can be gripped by the user; The method comprising: positioning the brush portion corresponding to the receiving groove of the toothbrush main body portion and then engaging the engaging end portion of the brush portion in the receiving groove; And repeatedly tapping and pressing the brush part while the brush part is inserted into the receiving groove of the toothbrush body part.

When the brush part is formed, the engagement end of the stem is bent outward to form a bent part protruding toward the outside.

When forming the toothbrush body portion, it is also possible to further form a locking protruding portion protruding from the inner surface of the receiving groove.

When the brush portion is pressed, the brush portion is pressed and pressed continuously from the ultrasonic vibrator toward the brush portion.

And after the brush portion is pressed, a laser light source is transmitted through the embedding region in which the stem of the brush portion is embedded in the toothbrush body portion, thereby bonding at least any one point between the brush portion and the toothbrush body portion integrally It is also possible to include it.

According to the stress dispersive interdental toothbrush and the method of manufacturing the same according to the present invention, since the flow clearance portion is formed so as to inject stress at the connection point between the toothbrush body portion and the brush portion, the fatigue load applied to the stem is reduced, And the life of the product can be prolonged.

In addition, since the stress dispersive interdental toothbrush according to the present invention and the method of manufacturing the same provide outwardly protruding parts to the stem of the brush part to form a bent part to be embedded in the toothbrush body part, it is possible to improve the durability of the product .

In addition, the stress dispersive interdental toothbrush according to the present invention and the method of manufacturing the same are configured such that the brushes are joined to the binding points embedded in the laser, so that the durability of the product can be improved by integrating the mutual configurations of the different materials .

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a structural view showing one embodiment of a stress dispersive interdental toothbrush according to the present invention. Fig.
2 is an exploded cross-sectional view of one embodiment of a stress dispersive interdental toothbrush in accordance with the present invention.
3 is an enlarged cross-sectional view of a first embodiment of a toothbrush body in an embodiment of a stress dispersive interdental toothbrush in accordance with the present invention.
4 is an enlarged cross-sectional view of a second embodiment of a toothbrush body portion in an embodiment of a stress dispersive interdental toothbrush in accordance with the present invention.
5 is an enlarged cross-sectional view of another embodiment of a stress dispersive interdental toothbrush in accordance with the present invention.
6 is a block diagram showing one embodiment of a stress dispersive interdental toothbrush manufacturing method according to the present invention.
7 is a process diagram showing an embodiment of a stress dispersive interdental toothbrush manufacturing method according to the present invention.
8 is a block diagram showing another embodiment of a stress dispersive interdental toothbrush manufacturing method according to the present invention.

The brush unit includes a brush having a plurality of brush bristles at one end, a bristle formed at an opposite side of the bristle to form an engagement end, the bristle extending in the longitudinal direction; And a toothbrush body portion having a receiving groove into which the engagement end of the stem can be inserted corresponding to the brush portion and formed in a structure that can be grasped by a user, wherein a receiving groove of the toothbrush body portion is formed in the stalk And a flow clearance portion formed between the receiving groove and the stem so as to disperse stress due to the external force of the stem.

The present invention further provides a method of manufacturing a brush, comprising the steps of: cutting a stem at a predetermined length, forming a bristle at one end of the stem, and forming a brush with an engaging end opposite the brush; Forming a toothbrush body portion having an inwardly recessed receiving groove at one end, the toothbrush body portion having an outer shape that can be gripped by the user; The method comprising: positioning the brush portion corresponding to the receiving groove of the toothbrush main body portion and then engaging the engaging end portion of the brush portion in the receiving groove; And repeatedly tapping and pressing the brush part while the brush part is inserted into the receiving groove of the toothbrush main body part.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the illustrative embodiments set forth herein.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of a stress dispersive interdental toothbrush according to the present invention will be described in detail with reference to the drawings.

1 and 2, an embodiment of a stress dispersive interdental toothbrush according to the present invention comprises a brush portion 10 and a toothbrush main body portion 20.

The brush unit 10 has a function of directly contacting and removing foreign matter or plugs between the teeth and having a structure capable of binding on the toothbrush main body 20 together with a brush 11 at the one end And a stem 13 is provided.

The brush 11 is an aggregate of a plurality of bristles, and a plurality of bristles are grafted on the bristles 13, and the bristles 11 are formed so as to extend straight outward with respect to the bristles 13.

The brush (11) constitutes a predetermined cleaning area that can be wiped by the brush part (10). That is, the brush 11 extends outwardly from the stem 13 and forms a plurality of brushes in a predetermined length on the stem 13 of the brush 10.

The brushes 11 may be formed in a cylindrical shape extending all the same length toward the outside of the brush, or may be formed in a conical shape extending in a different length toward the outside of the brush.

As a brushable material of the brush 11, a soft and elastic material (for example, nylon or the like) is used when durability and frictional force are used so as to effectively remove impurities and tartar on the teeth.

The stem 13 extends in the longitudinal direction from the toothbrush main body 20 and has a structure in which brush bristles are implanted on the outer periphery to support the brush 11.

The stem 13 is formed integrally with the toothbrush body 20 by forming an engaging end 15 on the opposite side of the brush 11. That is, the brush part 10 is configured such that the coupling end 15 of the stem 13 is coupled to the toothbrush body part 20 and the brush 11 is provided on the opposite side to wipe the user's teeth do.

As a material usable as the stem 13, a metal material having a small diameter is used, but a general wire can be used. It is preferable that the stem 13 is formed in a twisted structure of a twisted structure in which the wires are twisted so as to enhance durability.

2 and 3, the stem 13 of the brush section 10 is provided with a bent portion 15 formed by bending on the engaging end portion 15, which is a constitution for binding on the toothbrush body portion 20, (17).

The bent portion 17 is bent to protrude outwardly of the stem 13 in a gentle curved shape so as to form a ⊂ shape.

The bend portion 17 is positioned so as to be embedded in the toothbrush body portion 20 together with the engagement end portion 15.

The bend section (17) is formed to have at least one or more than one on the engagement end (15) of the stem (13). It is possible to form at least one bend 17 protruding in one direction or multiple directions in the region of the engagement end 15 bound to the toothbrush main body portion 20 of the stem 13 Do.

As described above, when the bending portion 17 is formed in the stem 13 of the brush portion 10, the durability of the product can be further improved by strengthening mutual binding force between the brush portion 10 and the toothbrush body portion 20 Do.

The toothbrush body 20 is formed to have a structure that can be gripped by the user. That is, the toothbrush body 20 has a size and a length that the user can easily grasp when the teeth are brushed.

1 and 2, the toothbrush body portion 20 has a rod shape having a predetermined length.

Although not shown in the drawing, the toothbrush body portion 20 may be provided with protrusions or protrusions partially protruding from the area where the user touches the hand during gripping, thereby preventing the user from slipping off the hand during use.

The toothbrush body portion 20 is formed by using a general synthetic resin, and is formed so as to selectively apply an "I" type or an "L" type shape.

The toothbrush body 20 has a receiving groove 21 at an upper end thereof to allow the brush unit 10 to be coupled thereto. That is, the receiving groove 21 is formed on the toothbrush main body portion 20 so as to correspond to the brush portion 10 so that the engaging end portion 15 of the stem 13 can be introduced.

The receiving groove 21 is formed to be larger than the diameter of the stem 13 so that the coupling end 15 of the stem 13 can flow smoothly toward the receiving groove 21.

The depth of the receiving groove 21 on the toothbrush main body 20 is formed to be lower than the length of the brush part 10 with respect to the engaging end 15. That is, the engaging end 15 of the brush part 10 is introduced into the receiving groove 21 of the toothbrush body part 20, (10).

The receiving groove 21 of the toothbrush main body portion 20 has a length of 1/2 of the length of the engaging end portion 15 of the stem 13 of the brush portion 10, To a depth of 1/3.

When the depth of the receiving groove 21 exceeds 1/2 of the length of the coupling end 15, the stem 13 flows smoothly toward the receiving groove 21, but the toothbrush body 20 When the depth of the receiving groove 21 is formed to be less than 1/3 of the length of the engaging end 15, It is difficult to pressurize the brush part 10 and it is difficult to maintain the inflow state of the engagement end 15 in the receiving recess 21 throughout the binding operation.

As shown in FIG. 4, the toothbrush body portion 20 includes a locking protrusion 25 formed on the inner surface of the receiving groove 21 and protruding toward the stem 13 of the brush portion 10 And the like.

The latching protrusion 25 may be formed in the shape of a protrusion on the inner surface of the receiving groove 21 so as to have various sectional shapes such as semicircular or triangular pyramid.

The locking protrusion 25 protrudes from the bending portion 17 of the brush.

A flow clearance portion 30 is formed between the receiving groove 21 of the toothbrush body portion 20 and the stem 13 of the brush portion 10 to form a minute gap therebetween.

The floating clearance portion 30 is formed between the receiving groove 21 and the stem 13 so as to disperse stress due to an external force applied toward the stem 13 when the interdental toothbrush is used. That is, since the receiving groove 21 of the toothbrush body 20 is formed to be larger than the outer diameter of the brush 13 of the bristle 10, the flow clearance 30, which is a space through which the brush 13 can flow, .

That is, according to the stress dispersive interdental toothbrush constructed as described above, the flow clearance portion 30 is formed so as to inject stress at the connection point between the toothbrush body portion 20 and the brush portion 10 , It is possible to reduce the fatigue load applied to the stem (13), thereby improving the durability of the product and extending the service life of the product.

Another embodiment of a stress dispersive interdental toothbrush in accordance with the present invention further includes a connecting end portion 40 that is integrally attached between the brush portion 10 and the toothbrush body portion 20 as shown in FIG. .

The joining end 40 is formed by passing a laser light source through an embedding region of the bristle portion 10 fixedly embedded in the toothbrush body portion 20 with respect to the stem 13. The laser beam source is transmitted to the connection end of the connecting end portion 15 to which the stem 13 of the brush portion 10 is bound toward the toothbrush body portion 20 toward the toothbrush body portion 20, So that they can be joined together.

The abutment end 40 is formed at least at one point between the brush portion 10 and the toothbrush body portion 20.

For example, among the connection points between the stem 13 of the brush part 10 and the toothbrush body part 20 inserted into the toothbrush body part 20, the receiving groove 21 of the toothbrush body part 20 The laser light source is transmitted through the laser light source to form the joining end 40 or the laser light source is transmitted to the connection point where the stem 13 is embedded in the toothbrush main body 20 as the brush part 10 is pressed The joining end (40) is formed and the joining end (40) is formed at least at one point.

According to the above embodiment, the bristles 10 are bonded to the binding points at which the bristles 10 are buried, so that the durability of the products can be improved .

In the other embodiments described above, the same configuration as that of the above-described embodiment can be employed, so that detailed description is omitted.

Next, a manufacturing method for manufacturing the stress dispersive interdental toothbrush according to the present invention will be described.

6 and 7, a method of manufacturing a stress dispersive interdental toothbrush according to the present invention includes a step S10 of forming a brush part 10 and a step of forming a toothbrush body part 20 Step S20, insert step S30, and press step S40.

In step (S10) of forming the brush part 10, a wire having a small diameter is used, and the stem 13 is cut to have a length corresponding to a predetermined length.

It is preferable that the stem (13) has a twisted twisted structure in order to enhance durability.

In order to form the brush part 10, brush bristles are implanted on the outer periphery of the stem 13 so as to have a brush 11 at one end of the stem 13.

In the above, the bristles of the brush 11 are made of a material which is soft, elastic, durable and frictional (for example, nylon) so as to be suitable for use on the human body.

The brush part 10 is formed with an engagement end 15 on the stem 13 opposite to the brush 11. That is, the engaging end portion 15 is formed to have a connecting region of the stem 13 extending integrally and integrally toward the toothbrush main body portion 20.

When the brush part 10 is formed, the engaging end 15 of the stem 13 is bent outward to form a bent part 17 protruding toward the outside.

The bending portion 17 is formed in a curved "? "Shape that is curved outwardly in a gentle curved shape outside the stem 13.

In step S20 of forming the toothbrush body part 20, the toothbrush body 20 is formed and shaped so that it can be easily grasped from the user.

In the above, the toothbrush body part 20 is formed by using a general synthetic resin, and the shape of the "I" type and the "L"

It is preferable that the toothbrush body portion 20 is formed with a protrusion or protrusion and a protrusion partly in a region where the user touches the hand at the time of gripping so as to prevent a slipping phenomenon from the user's hand.

The toothbrush body portion 20 is formed with an accommodating groove 21 which is recessed inward at one end.

The receiving groove 21 is formed to be larger than the diameter of the stem 13 so that the engaging end 15 of the stem 13 can flow smoothly. That is, a clearance of a minute gap is formed between the receiving groove 21 of the toothbrush main body 20 and the stem 13 of the brush part 10.

Further, when forming the toothbrush main body portion 20, a locking protrusion 25 protruding from the inner surface of the receiving groove 21 is further formed.

The latching protrusion 25 may be formed in the shape of a protrusion on the inner surface of the receiving groove 21 so as to have various sectional shapes such as semicircular or triangular pyramid.

In the step (S30) of inserting the brush part 10, the brush part 10 is inserted in correspondence with the toothbrush main part 20. That is, the brush portion 10 is positioned corresponding to the receiving groove 21 of the toothbrush body portion 20, and then the engaging end portion 15 of the brush portion 10 is engaged with the receiving groove 21 .

The engaging end 15 of the brush part 10 is engaged with the receiving groove 21 of the toothbrush main body part 20 without applying any additional force in the inserting step S30.

In the pressing step S40, the bristle 13 of the brush part 10 is inserted into the receiving groove 21 of the toothbrush body part 20, The brush part 10 is repeatedly tapped and pressed so that the brush part 10 is pressed toward the brush part 20.

When the brush portion 10 is pressed, the brush portion 10 is pressed and pressed continuously from the ultrasonic transducer B toward the brush portion 10.

The toothbrush body portion 20 and the brush portion 10 are fixed on the jig in a state in which the brush portion 10 is inserted into the receiving groove 21 of the toothbrush body portion 20 The ultrasonic vibrator B is continuously contacted with one end of the brush part 10 and is pressed and pressed to bind the brush part 10 to the toothbrush body part 20. [

Another embodiment of the stress dispersive interdental toothbrush manufacturing method according to the present invention further includes a step (S50) of integrally joining the brush portion 10 and the toothbrush body portion 20 as shown in FIG. 8 .

In the bonding step S50, the brush part 10 is pressed through the ultrasonic vibrator B, and then the embedding area in which the stem 13 of the brush part 10 is embedded is placed in the toothbrush body part 20 The laser light source is partially transmitted through the laser light source to melt the materials.

In order to bond the brush part 10 and the toothbrush main body part 20 to each other, at least one of the bristles 13 and the bristles 13 is connected to the toothbrush body part 20, Attach one point.

In the other embodiments described above, the same configuration as that of the above-described embodiment can be employed, so that detailed description is omitted.

Although the preferred embodiments of the stress dispersive interdental toothbrush and the method of manufacturing the same according to the present invention have been described above, the present invention is not limited thereto, and various modifications may be made within the scope of the claims, And this is also within the scope of the present invention.

10: Brush part 11: Brush
13: staple 15: engagement end
17: bent portion 20: toothbrush body portion
21: receiving groove 25:
30: floating clearance portion 40:

Claims (10)

A brush portion having a brush having a plurality of brush bristles at one end thereof and having an engaging end portion formed on the opposite side of the brush and having a longitudinally extending stem;
And a toothbrush body portion having a receiving groove into which the engagement end of the stem can be inserted corresponding to the brush portion,
Wherein the bristle of the brush portion includes a bending portion bent on the coupling end portion and bent to protrude outwardly of the stem and embedded in the toothbrush body portion,
Wherein the receiving groove of the toothbrush main body portion is formed to be larger than the outer diameter of the brush barrel and is formed between the receiving groove and the stem so as to disperse stress due to the external force of the barb,
Wherein the toothbrush body portion includes a locking protrusion portion formed on the inner surface of the receiving groove and protruding toward the stem of the brush portion,
Wherein the embedding region of the brush portion fixedly embedded in the toothbrush body portion penetrates a laser light source and is connected to a point of the receiving groove section and a point of the receiving groove section bound to each other between the brush section and the toothbrush body section, And a joining end portion that is integrally attached to each of the connecting points with a laser light source.
delete The method according to claim 1,
Wherein the receiving groove of the toothbrush body portion is formed at a depth of 1/2 to 1/3 of the length of the engaging end portion of the stem of the brush portion that flows toward the receiving groove.
delete delete Forming a bristle portion having a brush at one end of the stem after cutting the stem at a corresponding length, and forming an engaging end portion at an opposite side of the brush;
Forming a toothbrush body portion having an inwardly recessed receiving groove at one end, the toothbrush body portion having an outer shape that can be gripped by the user;
The method comprising: positioning the brush portion corresponding to the receiving groove of the toothbrush main body portion and then engaging the engaging end portion of the brush portion in the receiving groove;
And repeatedly tapping and pressing the brush part while the brush part is inserted into the receiving groove of the toothbrush body part,
When forming the brush portion, the engagement end portion of the stem is bent outward to form a bent portion protruding toward the outside,
Wherein when the toothbrush body portion is formed, a locking protruding portion protruding from the inner surface of the receiving groove is formed,
And when the brush portion is pressed, the brush portion is pressed and pressed continuously from the ultrasonic vibrator toward the brush portion,
After the brush portion is pressed, penetrating the laser light source toward the embedding region in which the stem of the brush portion is embedded in the toothbrush body portion, thereby bonding at least any one point between the brush portion and the toothbrush body portion integrally Of the tooth surface.
delete delete delete delete
KR1020150057072A 2015-04-23 2015-04-23 Interdental Brush for Stress Dispersion and Manufacturing Method Thereof KR101628230B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03149005A (en) * 1990-07-20 1991-06-25 Shinwa Seisakusho:Kk Spiral brush and manufacture thereof
KR100225939B1 (en) 1997-06-18 1999-10-15 정몽규 Hydraulic control system of automatic transmission
KR200401015Y1 (en) * 2005-08-16 2005-11-15 (주) 민성정밀 Toothbrush-rod broken preventing structure of toothbrush
KR200420524Y1 (en) * 2006-03-14 2006-07-04 서오성 A wire of interdental brush
KR100827549B1 (en) * 2006-12-19 2008-05-07 강영한 Interdental brush and method for manufacturing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03149005A (en) * 1990-07-20 1991-06-25 Shinwa Seisakusho:Kk Spiral brush and manufacture thereof
KR100225939B1 (en) 1997-06-18 1999-10-15 정몽규 Hydraulic control system of automatic transmission
KR200401015Y1 (en) * 2005-08-16 2005-11-15 (주) 민성정밀 Toothbrush-rod broken preventing structure of toothbrush
KR200420524Y1 (en) * 2006-03-14 2006-07-04 서오성 A wire of interdental brush
KR100827549B1 (en) * 2006-12-19 2008-05-07 강영한 Interdental brush and method for manufacturing the same

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