JPH05212075A - Applicator for menstrual tampon - Google Patents

Abstract

PURPOSE:To provide an applicator for a menstrual tampon with simple structure, expandable in the length direction, and to surely extrude a tampon. CONSTITUTION:This applicator is the one for tampon consisting of an outside cylinder 1 in which an engaging part 7 is provided in a rear terminal aperture, and an inside cylinder 2 inserted slidably to the outside cylinder 1 and to which the tampon 16 is inserted and provided with a petal shape part in which bud characteristic is attached on a front terminal aperture and which covers the front terminal part of the tampon 16, plural guidance groove holes 10 extending in the length direction, and a connecting piece 3 located in the neighborhood of the rear terminal aperture. A connecting part 12 between the inside cylinder 2 and the engaging piece 3 can be disconnected by pulling the inside cylinder 2 rearward, and the inside cylinder 2 is drawn out rearward as fitting slidably the guidance hole 10 with the engaging part 13 of the connecting piece 3, and the tampon 16 is located at the inside of the outside cylinder 1 by expanding the petal shape part with the tampon 16, and after that, the tampon 16 is extruded from the front aperture of the outside cylinder 1 by pressing the petal shape part closing the tampon 16 by pushing In the inside cylinder 2 forward.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an applicator for use in introducing a sanitary tampon which closes the vaginal cavity and absorbs and holds menstrual blood into the vaginal cavity.

[0002]

2. Description of the Related Art Conventionally, there are known applicators for sanitary tampon which can be extended to a required length when used for convenience of packaging and carrying, and they are roughly classified into the following two types.

The first type is composed of an outer cylinder and an inner cylinder slidably inserted into the outer cylinder, and the inner cylinder is slidably inserted into the first inner cylindrical member and the same. The second inner cylindrical member is composed of the second inner cylindrical member, and the second inner cylindrical member is pulled out from the first inner cylindrical member in the rear direction to connect the rear end of the first inner cylindrical member and the front end of the second inner cylindrical member. The tampon accommodated in the outer cylinder is pushed out from the front end opening of the outer cylinder by the connected inner cylinder.

The second type belongs to an outer cylinder and an inner cylinder slidably inserted in the outer cylinder in the lengthwise direction thereof and accommodating a tampon. When pulling out in the direction, the tampon stays in the predetermined position and is removed from the inner cylinder and remains in the outer cylinder, and the front end of the inner cylinder abuts the rear end of the tampon. It is pushed out from the opening.

[0005]

The conventional type belonging to the second type is relatively complicated in structure and is not easy to manufacture and assemble, and the inner cylinder smoothly and reliably holds the front end of the outer cylinder. There is a problem that it is difficult to push out from the opening.

Those belonging to the first type have already been implemented, but those belonging to the second type have not yet been implemented, probably because of such a problem. The one belonging to the first type does not have the same problem as the one belonging to the second type, but since the inner cylinder is composed of the first and second inner cylindrical members, the number of members is increased and the material cost is high. Become.

The present invention is intended for those belonging to the second type, and an object thereof is to eliminate the above-mentioned problems of those belonging to the second type.

[0008]

According to the present invention for solving the above-mentioned problems, as shown in the drawings, an outer cylinder 1 and a tampon 16 which is slidably inserted in the outer cylinder 1 in a longitudinal direction thereof. And an inner cylinder 2 that pushes the tampon 16 out of the front end opening of the outer cylinder 1 and is premised on the applicator of the sanitary tampon, and is characterized by the following points.

The outer cylinder 1 has an engaging portion 7 on the inner surface of the rear end opening of the outer cylinder 1. The inner cylinder 2 is the inner cylinder 2
The tampon 16 has a bud tendency at the front end opening
The length of the inner cylinder 2 that is spaced apart in the circumferential direction of the inner cylinder 2 and between the vicinity of the front end opening of the inner cylinder 2 and the vicinity of the rear end opening of the inner cylinder 2 It has a plurality of guide slots 10 extending in the direction and a locking piece 3 located in the inner cylinder 2. The locking piece 3 is connected to the rear end of each guide groove hole 10 through each of the connecting portions 12 that can be cut by pulling the inner cylinder 2 from the outer cylinder 1 in the rear direction. Each of the engaging portions 13 adjacent to each of the engaging portions 7 and the front end of each of the supporting portions 14 extending from each of the engaging portions 13 in the forward direction to the center of the inner cylinder 2 are integrally formed. Receiving portion 1 that is formed into contact with the rear end of the tampon 16
5 and.

[0010]

In the applicator according to the present invention, when the inner cylinder 2 is pulled backward, the inner cylinder 2 and the locking piece 3
The connecting portion 12 with and is cut, the guide groove hole 10 of the inner cylinder 2 is slidably fitted to the engaging portion 13 of the locking piece 3, and the inner cylinder 2 is pulled out from the outer cylinder 1 in the rearward direction. The tampon 16 spreads the petaloid portion 9 of the inner cylinder 2 against the tendency of the bud, and is pulled out from the inner cylinder 2 to be positioned directly in the outer cylinder 1. When the inner cylinder 2 is pushed forward in such a state, the tampon 16 is pushed by the petal-shaped portion 9 of the inner cylinder 2 and pushed out from the front end opening of the outer cylinder 1. At this time, the locking piece 3 does not move along with the movement of the inner cylinder 2 because the engaging portion 13 is engaged with the engaging portion 7 of the outer cylinder 1 and is fixed in the original position.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, the applicator comprises an outer cylinder 1 and an inner cylinder 2 slidably inserted therein and having a locking piece 3, which are made of polyethylene or the like. It is molded from plastic.

The outer cylinder 1 has a petal-shaped portion 4 having a bud-like tendency at the front end opening, ribs 5 and 6 spaced apart in the front-rear direction on the outer periphery near the rear end, and an annular groove 7a and an annular ring on the inner surface of the rear end. It has an annular engaging portion 7 formed with the protrusion 7b. The annular protrusion 7b is formed on the slope 8 that widens backward.

The inner cylinder 2 has a petal-like portion 9 having a bud tendency at its front end opening, and a longitudinal direction between the petal-like portion 9 which is circumferentially spaced from the front end opening and near the rear end opening. It has a plurality of guide slots 10 extending in the direction of and a rib 11 on the outer periphery of the rear end.

The locking piece 3 is connected to the rear end of each of the guide groove holes by each connecting portion 12 which can be easily cut by pulling the inner cylinder 2 from the outer cylinder 1 in the rearward direction. Each engaging portion 13 as each protrusion that is adjacent to each other and engages with the engaging portion 7, and the inner cylinder 2 in the forward direction from each of the engaging portions 13.
Has a receiving portion 15 formed integrally with the front end of each support portion 14 extending to the central portion of the. Each connecting part 12 may be provided with a notch so that it can be cut more easily.

The tampon 16 is formed by squeezing a sheet of hydrophilic fibers into a rod-like member, and a pull-out string 17 is extended from the rear end of the tampon 16. The tampon 16 has a diameter suitable for slidably storing in the inner cylinder 2. ing.

The assembling and using operation of the applicator according to the present invention having the above-mentioned structure is as follows.

As shown in FIG. 1 (see FIG. 3), the tampon 16 is inserted from the rear end into the inside of the inner cylinder 2 through the front end opening of the inner cylinder 2, and the pull-out string 17 is provided on both supporting portions 14 of the locking piece 3.
It is made to extend from the rear end opening of the inner cylinder 2 through the space, and the petal-shaped portion 9 of the inner cylinder 2 is pressed against the heating mold to close it in a bud shape. In this way, the rear end of the tampon 16 stored in the inner cylinder 2 contacts the receiving portion 15 of the locking piece 3. Then, the inner cylinder 2 is inserted from the rear end opening thereof into the outer cylinder 1 in which the petal-shaped portions 4 are closed in advance in the same manner as the petal-shaped portion 9 of the inner cylinder 2. In the insertion process, the engaging portion 13 goes over the protrusion 7b of the engaging portion 7 in the forward direction and engages with the concave groove 7a of the engaging portion 7.

In use, the inner cylinder 2 is pulled rearward to disconnect the connecting portion 12 between the inner cylinder 2 and the locking piece 3, and then the guide groove hole 10 of the inner cylinder 2 is locked to the locking piece 3. The inner cylinder 2 is pulled out from the outer cylinder 1 in the rearward direction while being slidably fitted into the engaging portion 13 of. Along with that, Tampon 1
6, the petals 9 are expanded against their bud propensity, and the tampon 16 is pulled out of the inner cylinder 2 and positioned directly in the outer cylinder 1. By pushing the inner cylinder 2 forward in such a state, the rear end of the tampon 16 is pressed by the closed petal-like portion 9, and the front end of the tampon 16 resists the petal-like portion 4 of the outer cylinder 1 against its bud tendency. The tampon 16 is pushed out from the front end opening of the outer cylinder 1 and inserted into the vaginal cavity.

[0020]

According to the present invention, the applicator is
It consists of an outer cylinder and an inner cylinder having a locking piece, and the locking piece can be molded integrally with the inner cylinder,
The applicator can be assembled by inserting the tampon into the inner cylinder and then inserting the inner cylinder into the outer cylinder so that the engaging portion of the locking piece engages with the engaging portion of the outer cylinder. The outer and inner cylinders are easy to manufacture and assemble.

Further, by pulling the inner cylinder backward, the inner cylinder can be separated from the locking piece engaged with the outer cylinder and pulled out backward, while the tampon is pushed out from the front end opening of the outer cylinder. It can be pressed and slid forward. At this time, since the engaging portion of the engaging piece is engaged and fixed to the engaging portion of the outer cylinder, and the receiving portion of the engaging piece is in contact with the rear end of the tampon, the engaging piece and The tampon does not move rearward, and when the inner cylinder is pulled rearward to a predetermined position, the petal-shaped portion located at the tip of the inner cylinder closes and surely abuts on the rear end of the tampon. Therefore, the tampon can be reliably pushed out of the tip opening of the outer cylinder by the inner cylinder.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an outer cylinder, an inner cylinder, and a tampon, which is an applicator according to an embodiment of the present invention.

FIG. 2 is an enlarged vertical cross-sectional view showing an engagement structure of an engagement portion of an outer cylinder and an engagement portion of a locking piece of the inner cylinder.

FIG. 3 is a vertical cross-sectional view of an applicator configured by combining an outer cylinder and an inner cylinder that houses a tampon.

FIG. 4 is a vertical cross-sectional view when the inner cylinder is pulled out rearward and the locking piece is separated from the inner cylinder in the state of FIG. 3;

FIG. 5 is a vertical cross-sectional view showing a process of pushing the inner cylinder forward in the state of FIG. 4 and thereby pushing out the tampon from the front end opening of the outer cylinder.

[Explanation of symbols]

 1 Outer cylinder 2 Inner cylinder 3 Locking piece 7 Engagement part 9 Petal-like part 12 Connecting part 13 Engaging part 14 Support part 15 Receiving part 16 Tampon

Claims (2)

[Claims] 1. An outer cylinder and an inner cylinder which is slidably inserted into the outer cylinder in its lengthwise direction, accommodates a tampon, and pushes out the tampon from a front end opening of the outer cylinder. In the sanitary tampon applicator, the outer cylinder has an engaging portion on an inner surface of a rear end opening of the outer cylinder, and the inner cylinder imparts a bud tendency to a front end opening of the inner cylinder. A petal-like portion that covers the front end of the tampon, and the inner cylinder that is circumferentially spaced from the inner cylinder and that is between the front end opening of the inner cylinder and the rear end opening of the inner cylinder. It has a plurality of guide groove holes extending in the length direction and locking pieces located in the inner cylinder, and the locking pieces have the inner cylinder at the rear end of each of the guide groove holes. Each of the connecting portions that can be cut by pulling backward from the outer cylinder Each of the engaging portions that are connected to each other via the engaging portions and are engaged with the engaging portions adjacent to each of the connecting portions, and a support that extends from each of the engaging portions in the forward direction to the central portion of the inner cylinder. The applicator, wherein the front end of each of the parts is integrally formed, and the receiving part is in contact with the rear end of the tampon. 2. The engaging portion of the outer cylinder is formed in a groove, and the engaging portion of the inner cylinder is formed in a protrusion engaging with the groove. Applicator.