JPH0615636U - Ophthalmic container - Google Patents

Abstract

(57) [Summary] [Purpose] In an ophthalmic container of a hollow molded product, the shape of the end portion on the outlet side is adjusted without troublesome deburring,
Ensure safe use of the container and reduce post-processing work. An inner plug 28 is attached to the closed outlet end of the hollow molded container body 10 so that burrs present at the outlet end are hidden inside the inner plug 28. The container main body 10 is opened by inserting the needle-shaped convex portion 38 into the container main body 10 from the closing portion 22, and the container is opened and closed thereafter by attaching the cap 46 to the inner plug 28,
It was done by removing.

Description

[Detailed description of the device]

[0001]

【Technical field】

 The present invention relates to an ophthalmic container, and more particularly to an ophthalmic container containing a liquid of several ml to 100 ml, and more particularly to a container capable of hermetically storing the liquid contained therein until immediately before use.

[0002]

[Background technology]

 Conventionally, the main outlets of ophthalmic containers, such as eye drop containers (capacity: 3 ml to 20 ml), cleaning solutions for contact lenses, and preservative solutions (capacity: 20 ml to 100 ml), have a narrow passage through the outlet. An inner stopper with a liquid passage is attached so that the amount of dripping liquid can be adjusted.On the other hand, the inner stopper is covered to close the passage, preventing leakage of the stored liquid. A cap is attached. Therefore, in such an ophthalmic container, it is not possible to completely seal the inside.Therefore, the liquid may be contaminated with microorganisms or the contents may evaporate before use. Have the problem that there is.

On the other hand, there is known a hermetically sealed ophthalmic container in which the end of the hollow molded product is filled with a predetermined liquid and the end portion on the outlet side is closed. In this container, a liquid outlet is provided by making a small hole in the closed end on the outlet side with a needle or the like, and it is designed to be opened for the first time before use. Moreover, it has an excellent advantage that the internal liquid is not contaminated by microorganisms and the like, and the problem that the content components evaporate does not occur. Recently, a part of the parison excluding the outlet-side end is hollow-molded, a predetermined liquid is injected, and then the outlet-side end of the molded body is molded into a closed state to mold the container. At the same time, a method of filling and sealing the liquid has been implemented.

In the hollow molding, burrs are apt to be generated in the parting line, and in particular, when the molding method as described above is performed in which the liquid is filled simultaneously with the molding of the container, the parison outlet is used. Since the molding of the side end portion is performed when the material temperature is considerably lowered, it is difficult to reveal a fine shape and a lot of burrs occur. And, in the eye drop container, etc., if the burr described above is present at the outlet side end portion, not only does it impair the aesthetics of the container, but it also gives a feeling of fear when instilled, and it is also very dangerous. The manufacturer removes the burrs from each container by burning them with a gas burner. However, even after such post-processing, it cannot be said that the burr can be sufficiently removed, and such work is extremely troublesome.

[0005]

[Solution]

 The present invention has been made in view of such circumstances, and the problem to be solved is to remove the troublesome deburring of the shape of the outlet side end portion of an ophthalmic container made of a hollow molded product. The purpose is to prepare the container without the need for safety and to use the container safely, and to reduce the post-processing work.

[0006]

[Solution]

 In order to solve the above-mentioned problems, in the present invention, (a) a hollow molded product, in which the end portion on the outlet side is closed and a predetermined liquid is sealed inside (B) It has a cylindrical shape with a bottom and has a hollow needle-like convex portion on the inner surface of the bottom portion and communicates with the hollow portion of the needle-like convex portion on the outer surface of the bottom portion. A liquid discharge port is provided and is attached to the closed outlet end of the container body on the inner side surface, and the needle-shaped protrusion is the closed outlet end of the container body. And an inner stopper for opening the container body by being inserted into the container body from (1), and (c) a cap attached to the inner stopper for covering the liquid discharge port. The gist is an ophthalmic container.

[0007]

[Action / effect]

 In short, the ophthalmic container according to the present invention is characterized in that there is no problem such as contamination of the internal liquid or evaporation of the content components because the hollow molded container body is kept in a sealed state until use. Have In use, an inner plug is attached to the closed outlet side end of the container body, and the needle-shaped protrusion of the inner plug is inserted into the container body from the closed outlet side end of the container body. It can be easily opened by inserting it into the. The liquid can be taken out through the needle-shaped protrusions and the liquid discharge port with the inner plug still attached, and the subsequent opening and closing of the container can be done by attaching and detaching the cap to the inner plug. , They are supposed to do it.

That is, in such an ophthalmic container, the burr existing at the outlet side end is covered with the inside plug by covering the outlet side end of the container body of the hollow molded product with the inside plug. The outer shape of the outlet side end is given to the inner shape of the inner plug while being hidden inside the inner wall of the inner plug. Therefore, the outer shape of the outlet end can be adjusted very easily by simply attaching the inner plug without performing the deburring work on the container body, and the post-processing work can be greatly reduced. . As a result, the aesthetics of the ophthalmic container can be improved, and the safety in use can be advantageously improved.

[0009]

【Example】

 Hereinafter, in order to clarify the present invention more specifically, a typical embodiment of an ophthalmic container having a structure according to the present invention will be described in detail with reference to the drawings.

First, FIG. 1 shows an embodiment of an ophthalmic container according to the present invention. There, the container body 10 which is a hollow molded product has a cylindrical side wall portion 12 and a bottom wall portion 14, and a predetermined liquid 16 is contained therein. Further, as shown in FIGS. 2 and 3, the outlet side end portion of the container body 10 has a diameter that gradually decreases toward the tip, and the detent portion 18, from the large diameter side, The male screw portion 20 and the closing portion 22 are formed in this order.

The container body 10 is closed at the outlet side end by the closing part 22, so that the inside of the container is sealed until the time of use, and the liquid 16 inside is contaminated with microorganisms and the like. It is also well-prevented that the contents components evaporate. On the other hand, when used, the container body 10 is opened by making a hole in the end surface of the closing portion 22 as shown in FIG. In this embodiment, as is clear from FIG. 2, the parting line 24 formed by molding is offset from the central portion on the end surface of the closed portion 22 of the container body 10, so that it is easy to make a hole. Growling.

Further, the locking portion 18 of the container body 10 is formed with four engagement protrusions 26 at equal intervals in the circumferential direction, and engages with engagement protrusions 44 of an inner plug 28 described later. It fits. Of the engaging projections 26, those that are located on the parting line 24 have a triangular vertical cross section as shown on the left side of FIG. 3 so that burrs are less likely to form. Further, also in the male screw portion 20, no thread is formed on the parting line 24 so that burrs are less likely to occur.

It should be noted that such a container body 10 can be molded according to a known blow molding method, and the end portion on the outlet side is closed in a state where the liquid is injected into the container body 10 to be in a sealed state. It Therefore, more advantageously, the part of the parison excluding the end on the outlet side is subjected to hollow molding, and after pouring a predetermined liquid, the end on the outlet side of the molded body is closed. By molding, a method in which the liquid is injected at the same time as the container body 10 is molded and the container body 10 is further sealed is selected. This method has an advantage that it is not necessary to wash, disinfect, and dry the container prior to injecting the liquid, since the liquid is injected at the same time when the container body 10 is molded.

An inner plug 28 having a substantially bottomed cylindrical shape is attached to the closed outlet end of the container body 10 on its inner surface. As shown in FIGS. 4 and 5, the inner plug has a female screw 32 formed on the inner peripheral surface of the side wall portion 30 and a male screw 34 formed on the outer peripheral surface. Further, a hollow needle-shaped convex portion 38 is integrally provided on the inner surface of the bottom portion 36, and a liquid discharge port 43 communicating with the hollow portion of the needle-shaped convex portion 38 is integrally provided on the outer surface thereof. There is. Further, on the inner peripheral surface of the opening of the side wall 30 of the inner plug 28, eight engaging projections 44 are formed at equal intervals in the circumferential direction.

Further, as shown in an enlarged manner in FIGS. 6 to 8, the hollow needle-shaped convex portion 38 has a cylindrical base portion 39 and a conical tip portion 40 which are four pillar portions. The hollow portions are connected to the inner space of the inner plug 28 by gaps 42 extending in four directions formed between the pillar portions 41. As a result, the inner space and the outer space of the inner plug 28 are communicated with each other through the hollow portion of the needle-shaped convex portion 38 and the liquid discharge port 43. The shape of the needle-shaped convex portion 38 is not limited to any particular shape. For example, as shown in FIGS. 9 and 10, the gap 42 may be changed to one extending in three directions or two directions.

The inner plug 28 is attached to the closed end on the outlet side by being screwed into the male screw portion 20 of the container body 10 with the female screw 32 of the side wall portion 30. It is designed to be used. Once attached to the container body 10, the engagement protrusion 26 of the container body 10 and the engagement protrusion 44 of the inner plug 28 are engaged with each other to prevent the removal, and the inner plug 28 is not attached to the container body 10. It is designed to be integrally fixed to the. That is, the engaging projections 26, 44 constitute a rotation stopping mechanism.

Further, when the container body 10 is attached, the needle-like convex portion 38 of the inner plug 28 is inserted into the container body 10 from the end surface of the closing portion 22 of the container body 10 to open the container body 10. The liquid 16 inside is taken out through the hollow portion of the inner plug 28 and the liquid discharge port 43. By forming the inner plug 28 with a molding material that is harder than the container body 10, such unsealing can be easily performed.

Moreover, by attaching the inner plug 28 in this way, the end portion on the outlet port side of the container body 10 is covered with the inner plug 28, and burrs present at the end portion on the outlet port are It is hidden inside the plug 28, and the outer shape of the inner plug 28 gives the outer shape of the end portion on the outlet side. Therefore, the outer shape of the end portion on the outlet side can be adjusted very simply by attaching the inner plug 28 without performing the deburring work of the container body 10, and thus the appearance can be improved. In addition, the post-processing work can be greatly reduced. And, the safety in use of the ophthalmic container is advantageously enhanced. As the inner plug 28, one having a well-defined outer shape molded by various known molding methods can be used, but an injection molded product is preferably used.

Further, with respect to the inside plug 28, a bottomed cylindrical cap 46 as shown in FIGS. 11 and 12 is formed by an internal thread 48 formed on the inner peripheral surface of the side wall portion of the inside plug 28. It is attached by being screwed into the male screw 34 of 28, and covers the liquid discharge port 43. The internal threads 48 are provided with a predetermined length at two facing portions (portions facing left and right in FIGS. 11 and 12) of the inner peripheral surface of the side wall portion, and the other portions are smooth surfaces. ing. On the inner surface of the bottom wall of the cap 46, a disc-shaped packing 52 is fixed in a plurality of claws 50 formed on the same circumference (see FIG. 1). When the cap 46 is attached to the inner plug 28, the liquid discharge port 43 of the inner plug 28 is pressed against the packing 52 to prevent the liquid 16 from leaking.

The opening and closing of the ophthalmic container after the inner stopper 28 is attached to the container body 10 is performed by attaching and detaching the cap 46 to and from the inner stopper 28. Since the anti-rotation mechanism (26, 44) as described above is provided between them, the inner plug 28 does not accidentally come off.

The representative embodiments of the present invention have been described above in detail, but it goes without saying that the present invention is not limited by the description of such embodiments. By the way. Further, in addition to the above-described embodiments, the present invention may be modified, modified, improved, and the like without departing from the spirit of the present invention. Should be understood.

For example, in the above-described embodiment, the container body 10 and the inner plug 28 are attached by screwing, and the inner plug 28 and the cap 46 are both attached by screwing. However, one-touch fitting is also possible. it can.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of an ophthalmic container according to the present invention.

FIG. 2 is a plan view showing a container body of the ophthalmic container of FIG.

3 is a cross-sectional explanatory view showing a cross section taken along line III-III in FIG.

FIG. 4 is a view showing an inner stopper of the ophthalmic container of FIG. 1, in which the left half section shows a front view and the right half section shows a longitudinal sectional view.

5 is a bottom view of the inner plug of FIG. 4. FIG.

FIG. 6 is an enlarged front view showing a needle-shaped convex portion of the inner plug of FIG.

7 is a vertical cross-sectional view of the needle-shaped convex portion of FIG.

8 is a sectional view showing a section taken along the line VIII-VIII in FIG.

9 is a cross-sectional view corresponding to FIG. 8, showing another shape of the needle-shaped convex portion.

FIG. 10 is a cross-sectional view corresponding to FIG. 8, showing another shape of the needle-shaped convex portion.

11 is a view showing a cap of the ophthalmic container of FIG. 1, in which the left half section is a front view and the right half section is a longitudinal sectional view.

FIG. 12 is a bottom view of the cap of FIG.

[Explanation of symbols]

 10 Container Main Body 16 Liquid 18 Non-rotating Part 20 Male Screw Part 22 Closing Part 24 Parting Line 26 Engagement Protrusion 28 Inner Plug 32 Female Screw 34 Male Screw 38 Needle-like Convex 43 Liquid Discharge Port 42 Gap 44 Engagement Protrusion 46 Cap 48 Female Screw

Claims (5)

[Scope of utility model registration request] 1. A hollow molded product, a closed container main body in which an end portion on the outlet side is closed and a predetermined liquid is enclosed therein, and a bottomed cylindrical shape, and an inner surface of the bottom portion. Is provided with a hollow needle-shaped convex portion, and a liquid discharge port communicating with the hollow portion of the needle-shaped convex portion is provided on the outer surface of the bottom portion, and the container body is closed on the inner surface. Is attached to the outlet side end portion, and the needle-shaped protrusion is inserted into the container body from the closed outlet side end portion of the container body,
An ophthalmic container comprising: an inner stopper for opening the container body; and a cap attached to the inner stopper for covering the liquid discharge port. 2. The inner stopper is attached to the container body and the cap is attached to the inner stopper by screwing, and the container body and the inner stopper are detached from each other. The ophthalmic container according to claim 1, further comprising a detent mechanism for preventing the above. 3. A molded body obtained by hollow-molding a portion of the container body excluding the end portion on the outlet side and injecting a predetermined liquid, and closing the end portion on the outlet side of the molded body. The ophthalmic container according to claim 1 or 2, which is completed after being molded into a state. 4. The parting line formed by molding at the closed end of the container body on the outlet side is offset from the position where the needle-shaped protrusion of the inner plug is inserted. The ophthalmic container according to any one of claims 1 to 3. 5. The ophthalmic container according to claim 1, wherein the inner plug is formed of a molding material harder than the container body.