KR101052298B1 - Compression massage mask - Google Patents

Abstract

The present invention relates to a compression massage mask, and to a compression massage mask for preventing skin aging and improving the elasticity of the skin. The present invention, an air bag 21, an air plug 24 which is an air inlet fixed to the air bag 21, a tube 22 connected to the air plug 24 to allow the air to be introduced, and An air expansion unit (2) comprising a pump (23) for injecting outside air through the tube (22); And a rear part 12 having an eye opening 113 and a nose opening 114 and having an inner bag 125 into which the air expansion unit 2 is inserted as an elastic front material 11 and an elastic material. In the pressure massage mask comprising a pressure unit (1) formed of a), the front part 11 is characterized in that the span fabric of the nylon and the span is mixed on both sides of the sponge of neoprene material. Compression massage mask of the present invention has the effect of simultaneously giving the skin lifting effect and low-frequency massage effect by the upward compression on the skin.

Low frequency, pressure mask, air bag, massage, galvanic, ion

Description

PRESSURE MASSAGE MASK

The present invention relates to a compression massage mask, and to a compression massage mask for preventing skin aging and improving the elasticity of the skin.

Skin aging is a decrease in the ability of cells to recover and it becomes increasingly difficult for them to function normally. Skin aging is caused by weakening of the bond between the epidermis and the dermis, and the dividing ability and lipid formation ability of the keratinocytes. In addition, as the skin ages, the function of melanocytes decreases and the number of immune cells called langerhans cells of the skin decreases. In the dermis, atrophy (reduced volume) develops as the dermal constituents, such as collagen and mucopolysaccharide, and elastic fibers decrease. It can also appear as wrinkles on the skin. As the skin ages, the elasticity of the skin decreases, the skin sags, the blood vessels become weak, and the skin capillaries easily burst and bruise. In sun-exposed skin, irregular pigmentation, freckles, blemishes, and blemishes occur, and skin and black mushrooms also occur.

 Skin aging can be classified into two types: endogenous aging caused by the aging process according to age and exogenous aging caused by external exposure of the skin. The biggest cause of exogenous aging is photoaging caused by sunlight exposure. The clinical characteristics of photoaging are severe and early observed compared to endogenous aging. Compared to endogenous aging, thicker and deeper wrinkles occur, and fine wrinkles often occur. Endogenous aging, on the other hand, is observed in skin that is not exposed to sunlight. Although the clinical features are relatively small, fine wrinkles, dry skin, and reduced elasticity can be seen. Particularly, in the case of women, a lot of stress is applied to the facial skin due to makeup and the like, and skin aging may be promoted by wrong facial treatment and makeup and wrong skin care. Therefore, a large number of women are receiving skin care while paying a lot of money at skin care shops for skin care. In addition, Botox, filler transplantation, autologous fat transplantation, and skin lifting surgery are also available. However, there is a need for a more convenient device for skin care because such a method is expensive and not simply at home. Accordingly, various skin care devices have been developed in the related art for the purpose of preventing skin aging and improving wrinkles.

Typical skin care devices include a mask pack and a low frequency massager.

The mask pack contains beneficial ingredients for various skins to promote blood circulation and metabolism and to remove sebum and other waste products. In Document 1, cold and warm colloidal gels are filled between the outer skin and the inner skin to provide a mask pack that covers the face, and a cosmetic pad coated with charcoal and ocher silver between the face. It discloses a mask-type massage pack that promotes blood circulation and metabolism, removes sebum and wastes by protecting skin, antibiotics, antibacterial and cleansing, and restores nerve stability and fatigue.

In addition, low-frequency massagers are also coming out. Low frequency is the reproduction of physical and chemical phenomena related to normal muscle activity, the physiological activity of muscles, the promotion of recovery, the development of muscles, the circulation and promotion of blood and lymphatic fluid, the reduction of abnormal muscle spasms, the protein components that make up muscles It is known to have the effect of preventing the reduction of blood, promoting blood circulation, stabilizing the nerve current, and reducing obesity. The low frequency massager stimulates the blood circulation by giving moderate stimulation to the skin and improves metabolism of the body and various skin massage effects by using nutrients such as nourishing cream, facial blemishes, blotch, acne, freckles, etc. It is mainly used to alleviate, prevent and improve various skin diseases. It is known to promote skin health by improving skin elasticity and blood circulation by lifting effect, by applying low frequency to skin to relax and relax skin muscles.

Literature 2 or Literature 3 below discloses a conventional low frequency massager. However, the conventional low frequency massager of Documents 2 and 3 has a big difference from the present invention in that there is no configuration that gives a lifting effect of the sagging skin of the face as well as low frequency stimulation as in the present invention.

Document 1 KR 20-2006-0018067 A. 2006.07.04.

Document 2 KR 20-2002-0024940 A. 2002.08.21.

Document 3 KR 10-2003-0038953 A. 2003.06.17.

Conventional low-frequency massage method is a method of connecting the low-frequency electrode to the device and holding the electrode of the handle type by hand to massage the bar, the operator has to work manually, there was a difficult and inconvenient problem.

In addition, the conventional low-frequency massager had to apply a low-frequency gel to the skin prior to the massage, not only the cost of purchasing the gel, but also had to remove the gel through facial cleansing after the massage.

In addition, the conventional low frequency massager has a problem that it is difficult to obtain a skin massage effect or sagging skin lifting effect through the upward compression of the skin, because only a low frequency massage action.

Accordingly, the present applicant, to solve the above problems of the prior art, to provide a massage mask that is capable of low-frequency stimulation at the same time to apply upward pressure on the facial skin.

The present invention has been made to solve the above problems,

An air bag 21, an air plug 24 that is an air inlet fixed to the air bag 21, a tube 22 connected to the air plug 24 to allow air to be injected, and the tube 22. Air expansion unit (2) comprising a pump 23 for injecting outside air through the; And

A rear portion 12 having an eye opening 113 and a nose opening 114 and having an inner bag 125 into which the air expansion unit 2 is inserted as an elastic front material 11 and an elastic material. Press unit (1) formed of

In the compression massage mask comprising:

The front portion 11 provides a pressure massage mask, characterized in that the spun fabric mixed with nylon and span on both sides of the neoprene sponge.

In addition, in the present invention, the span fabric provides a compression massage mask, characterized in that 80 to 90% nylon, 10 to 20% mixed.

In addition, in the present invention, it provides a pressure massage mask, characterized in that further comprising a conductive unit (4) on the front portion (11).

In addition, in the present invention, it provides a pressure massage mask, characterized in that it further comprises a silicon surface 37 in the conducting unit (4).

Further, in the present invention, the massage device body 31 which can selectively perform low frequency stimulation, galvanic ion stimulation, far infrared stimulation, or ultrasonic stimulation, and a plug terminal 36 insertable into an output port of the massage device main body 31. It provides a pressure massage mask, characterized in that it further comprises a massage unit (3) comprising a cable 34 provided at the end of the low-frequency electrode terminal 32 for transmitting a low frequency to the conducting unit (4) through do.

In addition, in the present invention, it provides a pressure massage mask, characterized in that it further comprises an outer mask (5) surrounding the outside of the compression unit (1).

In addition, in the present invention, it provides a pressure massage mask, characterized in that it further comprises an outer mask (5) surrounding the outside of the compression unit (1).

In addition, in the present invention, the outer mask (5) provides a compression massage mask, characterized in that the span of the fabric is 80 to 90% nylon, 10 to 20% mixed span.

Compression massage mask of the present invention can give the skin lifting effect by the upward compression on the skin. In addition, unlike the conventional low frequency massager, the pressure massage mask of the present invention can be used in a dry manner in which a low-frequency gel or water does not need to be applied to the skin before the massage, so that the face does not need to be washed after the massage. There is no worry about the cost.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention is an improved invention of the registered patent KR 10-086407 filed by the present applicant and registered with the Korean Patent Office, and KR 10-2008-0046578 (application number). All registered and disclosed contents of the registered and filed patents are cited as the contents of this specification.

As shown in FIG. 1, the massage mask of one embodiment of the present invention includes a compression unit 1 including a front portion 11 and a rear portion 12, and an air expansion inserted into a rear portion 12 of the compression unit 1. A unit 2, a conduction unit 4 attached to the front portion 11 of the compression unit 1, a massage unit 3 for applying a low frequency to the face of the subject through the conduction unit 4, and The outer mask 5 is comprised.

2 is a front view showing the front portion 11 and the rear portion 12 of the pressing unit 1 as an embodiment of the present invention. The pressing unit 1 is composed of a front portion 11 and a rear portion 12, the front portion 11 is a portion of the front of the face is made of a resilient material. On the other hand, the rear part 12 is made of a material having no elasticity, thereby acting to bring the front part 11 into close contact with the user's face under pressure by the air expansion unit 2.

In one embodiment of the present invention, the front portion 11, the form of the combination of the left front portion pattern 111 and the right front portion pattern 112 is used. When inflating the air bag 21 while wearing the present invention, since a significant pressure is applied to the front portion 11, the front portion 11 should be open so that the nose portion is not pressured. In other words, the front portion 11 should include a nose opening 114 to prevent the nose is pressed by the pressure. When the nose part is irritated by pressure, side effects such as bending of the nasal bone may occur, so that the nose part 114 has a nose portion 114 and the nose part during face compression of the compression unit 1 due to the expansion of the air expansion unit 2. It is to relieve the pressure burden.

In addition, the front portion 11 should also be an eye opening. That is, the front part 11 includes an eye opening 113. When the eye area is not opened, the pressure applied to the front part 11 is also applied to the eye area. In this case, the eyelid may be pressed and the eyelid drooping may occur, and the eye area may increase wrinkles. . Furthermore, it is also effective to secure the operator's field of view to give the operator a psychological stability.

In this way, the skin lifting effect can be obtained as the upward pressure is applied to the remaining portions except the nose and the eyes.

Since the front portion 11 of the pressing unit 1 is pulled by the expansion of the air expansion unit 2 as described below, it is not only elastic but also uses a cloth made of a material that can withstand the pulling force.

In particular, in the present invention, for this purpose, the front portion 11 uses a sponge fabric mixed with nylon and span on both sides of a neoprene sponge.

Neoprene material is highly preferred as a material of the front portion 11 that is highly elastic, excellent elasticity, excellent wear resistance also repeats the expansion and contraction. In addition, since the chemical resistance and oil resistance are high, the mask may be cleaned of substances such as cleansing oils and cosmetics, or frequently washed with detergents, and thus the elasticity may be maintained without corrosion. In particular, compared to the natural latex material, compared to the natural latex material has the property of maintaining the elasticity as it is for a long time, it is ideal as a material of the front portion (11).

In terms of strength and elasticity, the span fabric is preferably 80 to 90% nylon, 10 to 20% span, and more preferably 86% nylon and 14% span.

The above-mentioned front material is a part having a great difference from the registered patent KR 10-086407 and the KR 10-2008-0046578 invention, and is an improved configuration. The inventors have been able to select the most ideal material of the elastic material constituting the front part after a lot of trial and error until the present invention (the front part needs to press the face to a moderate strength, and to avoid the demanding conditions such as frequent expansion and contraction). To this end, it was understood that many experiments were carried out with different materials, and finally, we found that the material described above was the most ideal).

4 shows the air pocket 21 and the air plug 24 of the air expansion unit 2 and the conductive pad 33, the pad plug 35 and the silicon surface 37 of the conducting unit 4 of the present invention. will be. As shown in FIG. 7, the air expansion unit 2 according to the exemplary embodiment of the present invention includes an air bag 21, a tube 22 connected to the air bag 21, and a pump 23.

The air bag 21 is made of a vinyl cloth. When the pump 23 is operated by hand, air is injected into the air bag 21 through the tube 22 to expand the air bag 21. . In particular, the vinyl cloth is preferably contained in 50% by weight of urethane, 50% by weight of vinyl in terms of strength and expandability. If the vinyl is a lot of expandability is good but the strength may be weakened, if a large amount of urethane may be the reverse.

The air plug 24 is connected to the tube 22 to serve to blow air into the air bag in the pump 23.

8 shows the configuration of the massage unit 3 of the present invention.

The massage unit 3 includes a massage device main body 31 capable of selectively performing low frequency stimulation, galvanic ion stimulation, far infrared stimulation, and ultrasonic stimulation, and a plug terminal 36 which can be inserted into an output port of the massage device main body 31. The low frequency electrode terminal 32 which transmits the low frequency through it is comprised by the cable 34 provided in the edge part. Four low frequency electrode terminals 32 are provided to alternately stimulate two low frequencies from the massage device main body 31 through the cable 34.

The massage device main body 31 has a low frequency stimulus selection button 304 for generating low frequency; A galvanic ion stimulation selection button 305 for generating (+) ions or (-) ions; A far infrared stimulus selection button 302 for far infrared stimulation; An ultrasonic stimulation selection button 303 for ultrasonic stimulation; An intensity up-adjustment button 306 for increasing the intensity of the low frequency stimulus or galvanic ion stimulation; An intensity down control button 307 for lowering the intensity of the low frequency stimulation or galvanic ion stimulation is provided.

In addition, a circuit board is built in the massage device main body 31, and a liquid crystal display device 315 indicating whether a low frequency stimulus, a galvanic ion stimulus, a far infrared stimulus, an ultrasonic stimulus, etc. is provided on the front surface, and outputs the generated low frequency. Low frequency output port 310 is arranged on the side.

In addition, a head cover 301 for protecting the face head 313 is provided, and a head for hair 316 to be used on the face head 313 to care the hair is further provided.

The side of the massage device main body 31 is provided with an ion connection plate 312 to be used in contact with the user's hand when galvanic ion stimulation, the ion connection plate 312 is preferably made of chromium material.

When the low-frequency stimulation using the pressure massage mask of the present invention, unlike the conventional low-frequency massager can be used in a dry manner that does not need to apply gel or water to the skin before the massage.

The operation method of the massage unit 3 configured as described above is as follows.

First, in order to massage at a low frequency, the low frequency electrode terminals 32 are connected to the pad plugs 35 on the conducting unit 4 provided on the front portion 11 of the compression mask 1, respectively, and left and right. Insert the plug terminal 36 in 34) into the output port 310 of the main body completely. Thereafter, the compression mask 1 is worn with left and right symmetry. By pressing the pump 23 of the air expansion unit 2 by hand, the air bag 21 is inflated to bring the pressure mask 1 into close contact with the face. Press the low frequency stimulus selection button 304 to generate a low frequency. Press the intensity up button 306 step by step until the proper feel is achieved. When the intensity is lowered during use, the intensity is adjusted by pressing the down adjustment button 307. To stop the low frequency stimulus, press the pause button 308 to pause, or press the stop button 309 to turn off completely.

This low frequency stimulation not only reduces the contour of the face clearly, but also prevents or improves wrinkles, sagging cheeks, formation of fat pockets under the eyes, and folds of the skin. Help with replacement.

In addition, in order to perform galvanic ion stimulation, the cable 34 is first separated from the massage device main body 31. The galvanic ion stimulation selection button 305 is pressed. Pressing the galvanic ion stimulation selection button 305 once is selected to generate an initial cation. If you want to generate negative ions, press the galvanic ion stimulation selection button 305 again. At this time, the selection of (+) ion is used when cleansing, and the selection of (-) ion is used when feeding the skin. In case of cleansing the face, apply the cream evenly and then press the strength up button 306, down button 307 to adjust the intensity. The face head 313 is in close contact with the face and the ion connection plate 312 on the side of the massage device main body 31 is held by both hands, and then the face area is massaged. When nourishing the face such as vitamin C, the mode is selected as (-) ion, and as described above, the face head 313 is brought into close contact with the face and the ion connection plate 312 is held by both hands. Then massage the face area.

The galvanic ion stimulation ionizes cosmetics and the like, easily passes through the mucous membrane of the skin, and the effect of iontophoresis that penetrates into the tissue in the skin occurs. Specifically, when a cation (+ pole) is applied to the skin, the pores contract, decomposing the epidermal layer and the components of keratin, sebum, waste matter, and poisonous water accumulated in the dermis layer and pushing it out of the epidermal layer to clean the skin. Effects, such as shrinking pores, and improving acne and oily skin. In addition, when anion (-pole) acts on the skin, it supplies the beneficial bio (BIO) substances in cosmetics deeply to maximize the effect, and weakens or breaks down melanin pigment of blemishes and blemishes to keep the skin always moist and smooth. Giving effect.

In addition, in order to use a far-infrared stimulus or an ultrasonic stimulus, the far-infrared stimulus selection button 302 and the ultrasonic stimulation selection button 303 are pressed, respectively. Since the use method is the same as the case of the low-frequency stimulation to galvanic ion stimulation described above.

Far infrared stimulation has the effect of expanding the capillaries to help blood circulation at the end of the skin, ultrasonic stimulation has the skin activation, warming effect, fine wrinkles removal and skin lifting effect.

On the other hand, to care for the hair can be used by inserting the hair head 316 on the face head 313, gently combing the hair with the hair head 316 attached to the scalp under the action of negative (-) ions The beneficial nutrients applied to the skin can penetrate deep into the scalp, improving the health of the hair and preventing hair loss.

In one embodiment of the present invention, the conductive unit 4 is composed of a conductive pad 33 and the pad plug 35 as shown in FIG.

The conductive pad 33 of the conducting unit 4 is generally not limited as long as it is a material that is electrically conductive, but carbon is used in the embodiment of the present invention. Carbon is preferable because it is inexpensive, has good conductivity, and is friendly to the human body.

The pad plug 35 is connected to the low frequency electrode terminal 32 of the massage unit 3 for generating low frequency. Through this, the low frequency reaches the conductive pad 33 through the cable 34 through the plug terminal 36 in the massage device main body 31 to stimulate the low frequency.

The present invention may further include a silicon surface 37 in the conductive unit (4). Even if the silicon surface 37 is not provided, the present invention can be implemented, but as the use continues, the front part 11 fabric is repeatedly stretched and contracted due to frequent pressing, so that the pressing unit 4 and the pressing unit are pressed. The adhesion between the front portions 11 of the unit 1 may be weakened. That is, the silicon surface 37 serves to couple the conductive unit 4 to the front portion 11 of the pressing unit 1 stably and firmly. Therefore, it is preferable to have the silicon surface 37 along the shape of the conductive pad 33 and to sew it to couple the front portion 11 and the conductive unit 4 to each other. The silicon surface 37 is preferably made of pure silicon, but may be made of a material copolymerized with silicon for other desired physical properties.

In one embodiment of the invention it may further comprise an outer mask 5 of thin fabric over the pressing unit 1. 3 is a perspective view showing the pressing unit 1 and the outer mask 5 separately in one embodiment of the present invention. 11 shows a compression mask with an outer mask 5 overlaid on the front part 11 of the compression unit 1 of the embodiment of the invention.

The outer mask 5 is attached to the outside wearing the pressing mask 1 of the present invention to surround the pressing unit 1, and is made of an elastic material. Two-way span fabric can be used as such cloth. The outer mask 5 is provided to cover the part where the crude appearance of the conducting unit 4 and the pressing unit 1 is unnecessarily exposed and to give stability to the subject. The outer mask (5) is preferably thin enough to allow air to flow and allow the subject to secure an external field of view through the eye opening 113, and more elastic than the front portion of the compression unit 1 during compression. It is preferable that the material with. One-ply two-way span fabric can be used with this material. In particular, in the present invention, the outer mask 5 may be used in a span fabric of 80 to 90% nylon, 10 to 20% mixed span.

In addition, the outer mask (5) is preferably pink or violet color, which can give a sense of unity with the pressing unit (1) in appearance, and more preferably pink which has an aesthetic effect and gives psychological stability to the subject.

As shown in FIG. 5, the outer mask 5 has a wire insertion gap 116 between the pressing unit 1. The low frequency electrode terminal 32 and the cable 34 may be inserted through the wire insertion gap 116 to be connected to the pad plug 35 of the conductive unit 4.

5 and 6 illustrate a mechanism of inserting the air expansion unit 2 into the bag insertion gap 124 of the rear portion 12 of the pressing unit 1.

The air bag 21 of the air expansion unit 2 is inserted into the rear portion 12 of the compression unit 1. Therefore, the rear portion 12 of the pressing unit 1 is formed in duplicate so that the air bag 21 can be inserted, and the pocket insertion gap 124 inside the rear part 12 for inserting the air bag 21. And an inner pocket 125.

As shown in Figure 6, the air bag 21 is inserted into the back pocket 12 pocket insertion gap 124 of the compression mask 1 is located in the inner bag 125, wearing a mask and the air expansion unit ( When operating the pump 23 of 2), the air bag 21 is inflated while being inserted into the rear portion 12. 9 to 10 show such an operation, FIG. 9 shows before the expansion of the air expansion unit 2, and FIG. 10 shows the expansion of the air expansion unit 2 by the action of the pump 23. It is.

When the air bag 21 expands while wearing the compression unit 1 on the head as described above, the space inside the compression unit 1 is reduced by the expanded space. Therefore, the fabric of the material having no elasticity of the rear part 12 pulls the cloth of the front part 11 which is connected without stretching, and presses the face front part 11. The air in the air pocket 21 is gradually released so that the pressure is not continuously applied, and if the air is removed to some extent to operate the pump 23 to inject air to allow the user to adjust the pressure.

Although the preferred embodiment of the low-frequency compression massage mask according to the present invention has been described above, the present invention is not limited thereto, and various modifications can be made within the scope of the invention interpreted by the claims.

1 is a perspective view showing the overall configuration as an embodiment of the present invention low frequency compression massage mask.

2 is a front view showing the front portion 11 and the rear portion 12 of the pressing unit 1 as an embodiment of the present invention.

3 is a view showing the pressing unit 1 and the outer mask 5 of one embodiment of the present invention.

4 is a view showing the air bag and the conduction unit of the present invention.

5 is a view illustrating the wire insertion gap and the pocket insertion gap of the compression mask including the outer mask of one embodiment of the present invention.

FIG. 6 shows a mechanism for inserting the air expansion unit 2 into the bag insertion gap 124 of the rear portion 12 of the compression mask 1.

7 is a view showing an air expansion unit 2 of one embodiment of the present invention.

8 is a view showing the configuration of the massage unit 3 of the present invention.

Figure 9 is a view showing the operation of one embodiment of the compression mask of the present invention (compression).

10 is a view showing the operation of one embodiment of the compression mask of the present invention (after compression).

11 is a view showing a pressing mask including an outer mask 5 included in the present invention as an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: compression unit 2: air expansion unit

3: massage unit 4: conduction unit

5: outer mask 11: front

12: rear 21: air bag

22: tube 23: pump

24: air plug 31: massage device body

32: low frequency electrode terminal 33: conductive pad

34 cable 35 pad plug

36: plug terminal 37: silicon surface

111: left front part pattern 112: right front part pattern

113: eye opening 114: nose opening

115: mouth 116: wire insertion gap

117: zipper 124: pocket insertion gap

125: inside pocket

301: head cover 302: far infrared stimulation selection button

303: ultrasonic stimulation selection button 304: low frequency stimulation selection button

305: Galvanic ion stimulation selection button 306: Strength up control button

307: intensity down control button 308: pause button

309: stop button 310: low frequency output port

312: ion connection plate 313: head for face

314: power button 315: liquid crystal display device

316: hair head

Claims (8)

An air bag 21, an air plug 24 that is an air inlet fixed to the air bag 21, a tube 22 connected to the air plug 24 to allow air to be injected, and the tube 22. Air expansion unit (2) comprising a pump 23 for injecting outside air through the; And A rear portion 12 having an eye opening 113 and a nose opening 114 and having an inner bag 125 into which the air expansion unit 2 is inserted as an elastic front material 11 and an elastic material. Press unit (1) formed of In the compression massage mask comprising: The front part 11 is a pressure massage mask, characterized in that the spun fabric mixed with nylon and span on both sides of the neoprene sponge. The pressure massage mask according to claim 1, wherein the span fabric is 80-90% nylon and 10-20% span. The pressure massage mask according to claim 1, further comprising a conducting unit (4) on the front portion (11). 4. The compression massage mask according to claim 3, further comprising a silicon surface (37) on the conducting unit (4). 5. The massage device body (31) capable of selectively performing low-frequency stimulation, galvanic ion stimulation, far-infrared stimulation, or ultrasonic stimulation, and a plug terminal insertable into an output port of the massage device main body (31). Compression massage mask, characterized in that it further comprises a massage unit (3) comprising a cable (34) at the end of the low frequency electrode terminal 32 for transmitting the low frequency to the conducting unit (4) through (36) . Compression massage mask according to any of the preceding claims, further comprising an outer mask (5) surrounding the exterior of the compression unit (1). 6. The compression massage mask as claimed in claim 5, further comprising an outer mask (5) surrounding the outside of the compression unit (1). The pressure massage mask according to claim 6, wherein the outer mask (5) is a span fabric of 80 to 90% nylon and 10 to 20% span.

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