KR102008346B1 - Mask Enabling Strap Length Control - Google Patents

Abstract

The present invention relates to a mask with a simple structure to which a strap length adjusting method is applied. More specifically, the mask comprises a filter part for filtering a foreign material and a fixing string connected to a contact point of upper and lower ends of left and right sides of the filter part. Cut-out grooves through which a strap is inserted are formed in an upper part and a side part of the contact point of the upper ends of the left and right sides of the filter part, or in a lower part and a side part of the contact point of the lower ends of the left and right sides.

Description

Mask Enabling Strap Length Control}

The present invention relates to a mask to which a string length adjusting method of a simple structure is applied.

Recently, the damage caused by fine dust is increasing day by day as well as domestically.

Dust is divided into fine dust and ultra fine dust according to the particle size. The World Health Organization defines fine dust of 10 μm or less in diameter and ultra fine dust of 2.5 μm or less.

Most of the fine dust is known to be caused by air pollutants from burning fossil fuels such as petroleum and coal when operating thermal power plants, factories and automobiles.

Fine dust particles usually include metals, nitrates, sulfates, tire rubbers, soot and the like. These foreign substances are known to be absorbed through the bronchi and into the lungs or absorbed into the blood, causing pneumonia, stroke and heart disease. Furthermore, recent studies have shown that fine dust can damage the liver, spleen, central nervous system, brain and even the reproductive organs, which are not directly linked to the respiratory tract.

According to a recent survey by the Korea Economic Research Institute, as the intensity and frequency of the occurrence of fine dust increases, there are changes in daily life such as the increase of indoor activities instead of outdoor activities and the wearing of masks.

In general, a mask is composed of several layers of filters and non-woven fabrics to filter foreign substances, covering the mouth and nose, and connected to the upper and lower left and right sides of the filter unit to fix the filter unit to the face, which is fixed to the ear or head. It consists of a string.

However, since the size of the mask and the size of the user's face vary, they are often not in close contact with the wearer's face, which is inconvenient to use. Accordingly, a method of controlling the length of a string of masks in various ways has been proposed.

Utility Model Registration No. 20-0488541 proposes a mask in which a length adjusting portion, which penetrates in a manner in which friction is strongly applied to both sides of a ring-shaped strap, is fused to the left and right sides of the filter portion (see FIG. 1A). According to this, when the inner strap is pulled in the direction of the red arrow as shown in the attached diagram, the outer strap is reduced, and when the outer strap is pulled in the direction of the blue arrow, the outer strap is stretched so that the size of the (outer) strap can be adjusted to suit the user. do. However, according to this, the manufacturing process and the manufacturing apparatus are complicated because the elaborate length adjusting part is prepared, and the string is penetrated to both sides and then attached to the right and left positions of the filter part.

Published utility model 20-2008-0001036 relates to a mask having an elastic cylinder-type length adjusting portion (see Fig. 1b). Again, the process and equipment are complicated because it uses a complicated length adjusting part and inserts two strings into it.

Patent Document 10-2016-0121964 has a length adjusting part of the structure having a groove that can be wound around the filter unit left and right, fixedly coupled to one end of the string and the other end of the support hole perforated filter unit It relates to a mask of the form fixed to the length adjusting portion via (see Fig. 1c). The user adjusts the length of the strap by fastening the strap to the ear and then winding the strap of the remaining portion to the length adjusting part. However, according to this, the support hole of the protruding structure having a groove must be fixed at both sides, and one end of the string must be fixed to the length adjusting part through the support hole, which also requires a complicated process and equipment.

Utility Model Registration 20-0488541 Public utility model 20-2008-0001036 Patent Publication 10-2016-0121964

The present invention is to solve the problems of the prior art, it is an object of the present invention to provide a string length-adjustable mask that can be variously adjusted the length of the strap on the ear or head while having a simple structure.

It is also an object of the present invention to provide a mask with adjustable strap length, which simplifies the manufacturing process with little additional cost.

The present invention for achieving the above object

In the mask comprising a filter for filtering the foreign matter and a fixing strap connected to the junction of the upper and lower left and right sides of the filter portion,

Characterized in that the string length adjustable mask, characterized in that the incision grooves through which the string can be inserted through the upper and side portions of the upper left and right junctions of the filter portion, or the lower and left sides of the lower left junctions are formed. .

As described above, according to the present invention, a mask capable of arbitrarily adjusting the length of the string may be provided by winding a fixing string into a cutout groove formed in the filter unit without any additional configuration.

Since the mask according to the present invention exhibits a function of adjusting the length of a string without the addition of structure, process, and manufacturing equipment as compared with the prior art, it is possible to provide a mask having a manufacturing cost that is significantly inexpensive.

Figures 1a to 1c is a view showing a strap adjustment method according to the prior art, respectively.
Figure 2 is a simplified conceptual view of the mask according to the invention the cut groove is formed in both the left and right upper and lower filter portion.
3A is a photograph of a production example of a mask according to the present invention;
Figure 3b ~ 3e is a photograph showing that the length of the string in the mask according to the present invention can be variously adjusted, respectively.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. However, the accompanying drawings are only examples for easily describing the content and scope of the technical idea of the present invention, and thus the technical scope of the present invention is not limited or changed. It will be apparent to those skilled in the art that various modifications and variations are possible within the scope of the present invention based on these examples. In addition, when the reference numerals are attached to the components of the claims, this is for illustrative purposes only and is not intended to limit the components by the reference numerals.

As described above, the present invention relates to a mask including a filter part 10 for filtering foreign substances and a fixing string 20 connected to the junction points 21 at the upper and lower ends of the left and right sides of the filter part 10. In the present invention, the 'junction point 21' refers to a portion where the sock end of the filter unit 10 and the string 20 are fixedly connected . The fixed connection means that the relationship between the filter unit 10 and the string sock end is not disconnected or deformed during normal use. Connection to the junction point 21 is possible in a variety of ways, such as ultrasonic fusion, sewing, bonding is not particularly limited. String 20 is typically somewhat longer than the length required for a person with an average face size, the specific length of which may be appropriately determined by the manufacturer. String 20 is generally a synthetic fiber material such as polyurethane or nylon having elasticity, but is not limited thereto.

On the other hand, the method of fixing the string 20 to the ear (the way in which one string 20 is connected to each side of the filter unit 10) and the method of fixing the string 20 to the head (filter unit 10 left and right and String 20 is connected continuously), but the present invention is not limited thereto. Hereinafter, a method of fixing to the ear for convenience of explanation.

More specifically, the present invention incision that the string 20 can be inserted through the upper and side portions of the left and right upper junction 21 of the filter portion 10, or the lower and side portions of the left and right lower junction (21). Characterized in that the groove 11 is formed, characterized in that the mask 20 is adjustable length of the mask. In this case, the cutting groove 11 may be formed at both the upper and side portions of the left and right upper junctions 21 and the lower and side portions of the left and right lower junctions 21 of the filter unit 10. That is, in the present invention, the cutting groove 11 may be formed only on the upper or lower sides of the filter unit 10, or may be formed on both the upper and lower sides of the filter unit 10. FIG. 2A is a simplified conceptual view of the mask according to the present invention, in which the cutout groove 11 is formed on both the left and right upper and lower sides of the filter unit 10, and FIG.

In the present invention, the incision groove 11 is formed by incision to the appropriate size literally in an appropriate position, thereby enabling the length adjustment of the string. Therefore, according to the present invention, the physical configuration of the length adjuster as in the prior art is not added.

An exemplary method of adjusting the length in a mask according to the present invention will be described with reference to these attached photographs. 3a to 3e are arranged in order to gradually reduce the length of the string (20).

3a is a photograph of a state in which the length of the string 20 is not reduced. In the attached mask, the distance between the junction point 21 and the inner end of the incision groove 11 adjacent is approximately 0.25 cm. The distance between the inner end of the upper incision groove 11 and the inner end of the lower incision groove 11 was approximately 3 cm. It will be appreciated that these distances can be adjusted appropriately depending on the situation. The distances indicated below represent approximate distances.

When the cord 20 is inserted into the upper and lower grooves of the left and right sides, both strings 20 are reduced by about 1 cm by approximately 0.5 cm (Fig. 3b), and the cord 20 is inserted when both the upper and lower grooves are wound. 2 cm reduced (FIG. 3C).

Winding the string 20 over the adjacent side-top incision 11 reduces the length by approximately 2 cm, so if you wind it around the top or bottom only, a total of 4 cm will be reduced, and if you wrap it on both the top and bottom, a total of 8 cm will be reduced. (FIG. 3D).

Winding the string 20 to the upper and lower incision groove 11 can be reduced by a total of 10 cm by 5 cm on each side (Fig. 3e).

As such, according to the present invention, the user simply adjusts the length of the string 20 freely by simply forming the cutout groove 11 at an appropriate position of the filter unit 10.

In the mask according to the present invention, between the junction point 21 and the incision groove 11 or between the incision groove 11 and the incision groove 11 to function as a kind of winding member, such as a column that can wind the string 20 (20) Length adjustment is free. (For convenience of description below, between the junction point 21 and the cutting groove 11 on which the string 20 is wound or between the cutting groove 11 and the cutting groove 11 will be referred to as a 'rolling member') When the mask is used, the string 20 is pulled to both sides as indicated by the blue arrow in FIG. 3A. Therefore, in the present invention, when the string 20 is pulled, the portion wound on the winding member should not be released.

To this end, the inner end of the incision groove 11 is preferably formed to be closer to the adjacent side than the inlet or the middle. For example, as illustrated in the accompanying drawings, the upper or lower cutting groove 11 is formed to be inclined toward the adjacent side, or a fixing hole such as ○ or △ at the inner end continuous to the cutting groove 11. (Shown by way of example in Figure 2). At this time, the size of the fixing hole may be determined in consideration of the thickness of the string 20, about 1 ~ 1.5㎜ will be sufficient. Due to the structure of the cutout groove 11, the wound string 20 is inserted into the fixing hole formed at the inner end or the inner end of the cutout groove 11. Therefore, even if the string 20 is slightly pulled excessively, it is possible to prevent the wound string 20 from coming out of the incision groove 11 by itself.

In addition, the width of the cutting groove 11 is preferably narrower than the thickness of the strap 20 so that the string 20 is not inserted into the cutting groove 11 by itself.

Separately, in order to give strength to the winding member, it is preferable to add a strength reinforcing layer to a portion where the junction point 21 and the cutting groove 11 are formed. In this case, the strength reinforcing layer may be applied to a method of overlapping a predetermined band for strength reinforcement, or adding a sewing method or extending the ultrasonic welding width.

According to the present invention as described above, there is no additional component material and is manufactured by a simple cutting groove 11 forming process (= partial cutting process), thereby providing a cost-competitive string 20 adjustable mask.

10. Filter part
11. Incision groove
20. string
21. Junction

Claims (5)

In the mask comprising a filter for filtering the foreign matter and a fixing strap connected to the junction of the upper and lower left and right sides of the filter portion,
And an incision groove through which the string can be inserted through the upper and side portions of the upper and lower left and right junctions of the filter unit or the lower and the left and the lower junctions of the filter unit.
The method according to claim 1,
The incision groove
The upper and side portions of the left and right upper junctions of the filter portion, and the lower and side portions of the left and right lower junctions, characterized in that the strap length adjustable mask.
The method according to claim 1 or 2,
The inner end of the incision groove is characterized in that formed closer to the side than the entrance or the middle, the strap length adjustable mask.
The method according to claim 1 or 2,
The width of the cut groove is narrower than the thickness of the string, characterized in that the strap length adjustable mask.
The method according to claim 1 or 2,
Characterized in that the strength reinforcing layer is further formed at the junction and the incision groove is formed, the length adjustable mask.

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