JPS5930429B2 - How to make a simple mask - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a simple mask in which a string-like body such as a rubber string is sandwiched between two sheets of non-woven fabric or paper.
The purpose is to enable mass production.

For simple masks that have been commercially available, the ear hooks are made in advance by making a loop with rubber string in some way and then sewing this onto the mask body, or by attaching a place on the main body where the rubber cord will pass. It is made by making a ring in advance and then passing a rubber string through that part to form a ring so that it can be worn over the ear.In both cases, the rubber string and the main body are connected by hand, resulting in poor work efficiency. Ta.

The present invention has been made to address such problems,
The present invention will be described below based on drawings showing an example of implementation.

Fig. 1 and Fig. 2 show an embodiment of a simple mask made according to the present invention. It has a breathable inner layer 3.4 impregnated with synthetic fiber or synthetic resin.

For the mask body 5 constructed in this manner, 6 and 7 are two rubber cords sandwiched between the inner layers 3 and 4, each of which is bent into a ■ shape, and the bent portion is attached to the mask body 5. The ear hooks are part 8 protruding from both sides.

In this way, the nonwoven fabrics 1 and 2 of the mask body 5 sandwiching the two rubber strings 6° 7 are heat-sheeted around the periphery (shaded area in FIG. 1) and thermally bonded via the inner layers 3 and 4. The mask is completed.

9 is a thermally bonded portion. To manufacture such a mask, the present invention uses an apparatus as shown in FIGS. 3 and 4, and performs the manufacturing in the order shown in FIGS. 5 to 9.

The following explanation will be given based on FIGS. 3 to 9. First, in FIGS. 3 and 4, reference numeral 10.11 is the original fabric of the nonwoven fabrics 1 and 2 having the inner layers 3 and 4, which is hung on a shaft 12.13. Third
Proceed in the direction of the arrow in the figure.

Reference numerals 14 and 15 indicate bobbins on which the two elastic strings 6 and 7 are hung, and the elastic strings 6 and 7 from the bobbins 14 and 15 are horizontally movable pins between the raw fabrics 10 and 11. 16.17 and pins 1B and 19 that are movable horizontally in diagonal directions and movable up and down, the two nonwoven fabrics 1
, 2, twilling is applied between the original fabrics 10 and 11 in a shape.

Reference numeral 20 denotes a first heat-sealing device for heat-sealing the twilled portions of the rubber strings 6 and 7. This first heat-sealing device 20 heat-seals the raw materials of the nonwoven fabrics 1 and 2 whose twilled portions are heat-sealed. The strips 10 and 11 are fed one pitch, and the second heat sealing device 21 heat-seals the twill portion again, and also heat-seals both sides of the mask in the vertical direction.

22 is a phytoroller that pulls and feeds the original fabrics 10 and 11 of the nonwoven fabrics 1 and 2; 23 is the second heat sealing device 21;
This die set 23 is a punching die set for pressing and cutting the original fabric 10.11 of the nonwoven fabrics 1 and 2, which has been heat-sealed and fed one pitch, into the shape of a simple mask.
The cut product (simple mask) 26 is sent out by a conveyor or the like.

By the way, the pins 16 and 17 are attached to the two rubber strings 6 and 7.
This is provided on the upper side of the first heat sealing device 20 with the front and rear positions shifted, and the pins 18 and 19 are attached to the first heat sealing device 20.
They are provided on both sides of the original fabric 10 and 11 conveyance lines at the downstream position.

Next, the manufacturing process will be specifically explained based on FIGS. 5 to 9.

Note that 24 and 25 in the figure are guides for the rubber string 6°7.

In FIG. 5, the pins 16 and 17 are opened to the left and right so as to move away from each other, and are located on the sides of the web 10.
These pins 16, 17, 18, and 19 allow the rubber strings 6, 7 to hold the original fabric 10.11 of the two nonwoven fabrics 1, 2. 11
They are twilled so that they intersect in between.

In such a state, the twilling is carried out on the nonwoven fabrics 10 and 11 of section A.
are thermally bonded via the inner layers 3 and 4 by the first heat sealing device 20.

At the same time, the second heat sealing device 21 heat-seals the partial opening and vertically opposite sides of the mask that have passed through the first heat-sealing device 20 and have already been heat-sealed.

At the same time, the raw nonwoven fabric 10.degree. 11 that has passed through the second heat sealing device 21 is cut by the punching die set 23 as shown by the dashed line in FIG.

In this way, thermal bonding by the first and second heat sealing devices 20.21 and cutting by the punching die set 23 are performed simultaneously.

After that, the nonwoven fabric raw fabrics 10 and 11 are intermittently moved one pitch [P-)P1 in FIG. part up, and also the pin 18
．． 19 and remove it from the rubber strings 6 and 7.

When the pins 18 and 19 come off the rubber strings 6 and 7, the original fabric io
, 1i are moved to <P-)P1 and temporarily stopped as described above.

In this state, the pins 1B and 19 are moved in a direction opposite to the direction of movement of the web 10.11 and in a direction approaching the web 10.11, and the pin 18.19 is raised.

The state is shown in FIG.

In the state shown in FIG. 6, the pin 18.19 is located inside the rubber strings 6, 7, and at the same time as the pin 18.19 rises, the pin 18.19 moves from the solid line position in FIG. Move toward the solid line position in Figure 5.

Further, the pins 16 and 17 also move, respectively, with pin 16 moving toward the pin 17 position, and pin 17 moving toward the pin 16 position.

FIG. 1 shows the state when pins 16, 17, 18, and 19 have reached half of their travel distances, and FIG.
17, 18, and 19 are shown moved to the final position.

As shown in FIG.
As shown in the figure, it is thermally bonded by the first and second heat sealing devices 20, 21 and cut by the punching die set 23, as in FIG.

This operation is repeated in sequence, but in Fig. 9 the pins 16 and 17 are in the completely opposite position to that in Fig. 5, and in the next operation the pins 16 and 17 are in the position shown in Fig. 5. The pins 16 and 17 return to their original positions, and twilling is performed twice in one cycle of the pins 16 and 17.

By the way, in the above embodiment, the inner layers 3 and 4 are impregnated with synthetic fibers, synthetic resin, etc. on the inner surfaces of the nonwoven fabrics 1 and 2, which overlap each other, but the inner layers 3 and 4 are impregnated with synthetic fibers, synthetic resin, etc. Alternatively, the nonwoven fabric 1゜2 side may be formed so as not to have thermal adhesive properties, while the rubber strings 6, 7 may be treated with thermoplastic resin in advance, and the rubber strings 6, 7 may be coated with thermoplastic resin. The outer cover of 7 is made of polypropylene,
If one made of heat-adhesive synthetic fibers such as polyethylene or vinyl chloride is used, a simple mask can be easily made even if the nonwoven fabrics 1 and 2 do not have heat-adhesive properties.

Furthermore, it is also possible to insert between the nonwoven fabrics 1 and 2 a paper containing activated carbon, a nonwoven fabric coated with activated carbon powder, or a nonwoven fabric impregnated with other chemicals effective against pollution, etc. In this case, it is necessary to use rubber strings 6 and 7 that can be thermally bonded.

Furthermore, paper or woven fabric may be used instead of the nonwoven fabrics 1 and 2.

It is also possible to use string-like bodies such as cotton tape or synthetic fiber tape instead of the rubber cords 6 and 7, and in that case, the V-shaped bent portions of the two string-like bodies of the completed simple mask can be used. All you have to do is cut the cord and make it long enough to tie it above your head.

The present invention can be carried out as described above, and by positioning a string-like body in a twill pattern between two sheets of breathable material such as non-woven fabric, automated production by a machine is possible.
It can be mass-produced without any manual labor and can provide inexpensive, simple masks.

[Brief explanation of drawings]

The drawings show an example of the implementation of the present invention, and FIG. 1 is a perspective view of a simple mask, FIG. 2 is a sectional view taken along line XX in FIG. 1, and FIG.
The figure is a schematic overall view of an apparatus for carrying out the present invention, FIG. 4 is a side view of the same essential parts, and FIGS. 5 to 9 are operational explanatory diagrams showing the manufacturing process. 1.2...Nonwoven fabric, 3,4...Inner layer, 5
...Mask body, 6,7...Rubber string,
8... Ear hook part, 9... Heat adhesive part,
10.11...Original fabric, 16-19...
Pin, 20, 21... Heat sealing device, 23
...Punching die set.

Claims (1)

[Claims] 1. A pair of left and right first parts that can be horizontally moved laterally through two upper and lower sheets of breathable material such as nonwoven fabric that are fed in a continuous state.
and a pair of left and right second pins that are horizontally movable diagonally and vertically movable on the sides of the breathable material, and the first pin is provided with two pins that are fed along the breathable material. The second pin is always caught on the string and is located on the upper side of the heat-sealing device, and the second pin is located on the lower side of the heat-sealing device, and the string-like body is connected between the two sheets of breathable material by the heat-sealing device. With the bodies thermally bonded, the breathable material is fed one pitch, and in that state, the second pin is moved diagonally forward from the inside position of the string-like body, and the first pin is moved between the two breathable materials. The two string-like bodies are moved to opposite sides to the left and right through the gap between the materials, and the two string-like bodies are positioned in a twill shape. A method for manufacturing a simple mask, which comprises sequentially repeating the above steps and cutting the thermally bonded portion into a mask shape.