JP2003024460A - Mask - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mask never reduced in the degree of close fitting to the face by preventing the deformation by continuous wearing, washing or the like. SOLUTION: In this mask comprising ear cords 1b on both ends of a body 1a for covering a part of the face, a shape memory alloy wire 5 is inserted into the body 1a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mask used for diseases such as colds and hay fever.

[0002]

2. Description of the Related Art Conventional masks used for diseases such as colds and hay fever have a structure in which gauze and cloth are laminated in several layers. However, since it is made of gauze and cloth, there is a problem that it does not completely adhere to the face and a gap is generated between the face and the mask. In addition, there is a problem that deformation occurs due to continuous wearing and washing, loosening and slackening occur, and adhesion to the face is lowered.

[0003]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned problems and to provide a mask which is not deformed by continuous wearing, washing, etc. and whose adhesion to the face is not deteriorated.

[0004]

According to the present invention, in order to solve the above problems, Ti and Ni (the composition ratio is 4
9 to 50 at% Ni), the transformation point (Af temperature) is above body temperature, by inserting a shape memory alloy wire, it is completely adhered to the face, or loosening or loosening caused by continuous wearing or washing. Is restored to its original state by the shape memory effect of the shape memory alloy wire.

That is, the present invention is a mask in which a mounting member is provided on a main body which covers a part of the face, wherein a shape memory alloy wire is inserted inside the main body.

Further, the present invention is the above mask, wherein the shape memory alloy wires are inserted into the entire surface of the main body at equal intervals.

In the present invention, the mask use temperature (body temperature 36 to
A shape memory alloy wire having a transformation point higher than 40 ° C) can be used to adapt the mask to the face, which is a complex curve from the nasal cavity to the cheek, by utilizing the shape flexibility of the wire below the transformation point. . Therefore, a perfect adhesion effect to the face can be obtained.

By exposing the mask to a temperature higher than the transformation point of the shape memory alloy wire, such as the temperature of the dryer, the shape memory alloy wire becomes linear due to the shape memory effect. Therefore, even when deformed due to loosening or loosening caused by continuous wearing or washing, since the linear shape memory alloy wire pulls the cloth, the original mask shape can be restored.

[0009]

1 is an explanatory view of a mask of the present invention, and FIG. 1 (a) is an external perspective view of the mask, FIG.
(B) is sectional drawing which shows the inside of the main body which inserted the shape memory alloy wire. As shown in FIG. 1 (a), the main body 1a covers a part of the face, and ear straps 1b provided at both ends of the main body 1a as wearing members. As shown in FIG. 1B, in the main body 1a, a gauze 4 is sandwiched between an outer cloth 2 and an inner (face side) cloth 3.

In the present invention, as shown in FIG. 1B, the shape memory alloy wire 5 is inserted inside the main body.
The composition of the shape memory alloy wire is Ti and Ni (composition ratio is 49 to 50 at% Ni) and has a transformation point higher than body temperature. The feeling of discomfort and discomfort felt when using a mask in which a shape memory alloy wire is inserted is suppressed, and the shape memory alloy wire pulls the entire mask by the shape memory effect to take into account the mask forming force. ~ 1.0
Within the range of, it is possible to freely select the required face adhesion and non-deformation degree.

In the present embodiment, 5 consisting of Ti and Ni is used.
A mask having a transformation point of 0 ° C. or higher and a linear φ0.8 shape memory alloy wire was inserted into the entire inner surface of the main body at equal intervals was produced.

As conventional products, three kinds of masks which are commercially available for cold and hay fever were prepared. Hereinafter, each mask will be referred to as conventional products A, B, and C.

A characteristic evaluation test was conducted using the product of the present invention and the conventional product. In the characteristic evaluation test, the product of the present invention and the conventional product were washed with a fully automatic washing machine for 15 minutes and dehydrated for 5 minutes, only the product of the present invention was dried with a dryer, and a change in the degree of adhesion to the face after the test was conducted. The product of the present invention was compared with the conventional product.

Table 1 shows the results of conducting this test 5 times in succession. The evaluations in the table are as follows.

○: There is no deformation and the film is in complete contact with the face. Δ: Looseness, slackness, etc. occurred and the face adhesion was not good, but usable. ×: Cannot be used because it is severely deformed and does not adhere to the face.

[0016]

[Table 1]

As is apparent from Table 1, conventional products A, B,
Regarding C, a decrease in face adhesion due to deformation was observed at the third test, and at the end of the fifth test, all three types could not be used. On the other hand, in the product of the present invention, even after the fifth test, the shape of the mask returned due to the shape memory effect, and the adhesion to the face did not change.

[0018]

As described above, according to the present invention,
It was possible to provide a mask that does not deform due to continuous wearing or washing and does not deteriorate in adhesion to the face. Therefore, the present invention has practically excellent effects.

[Brief description of drawings]

FIG. 1 is an explanatory view of a mask of the present invention. FIG. 1A is an external perspective view of the mask. FIG.1 (b) is sectional drawing which shows the inside of the main body which inserted the shape memory alloy wire.

[Explanation of symbols]

1a body 1b string for ear 2 outer cloth 3 Inside (face side) cloth 4 gauze 5 Shape memory alloy wire

Claims (2)

[Claims] 1. A mask in which a mounting member is provided on a main body that covers a part of the face, wherein a shape memory alloy wire is inserted inside the main body. 2. The shape memory alloy wire is inserted into the entire surface of the main body at equal intervals.
The listed mask.