JP3355390B2 - Inner stopper of container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner plug of a container such as a bottle which is used by being attached to the mouth of the container.

[0002]

2. Description of the Related Art Most of the conventional inner plugs of containers are formed as shown in FIG. Although FIG. 1 shows a conventional example of the inner plug of the container, since there are many parts which are the same as those of the present invention, those parts will be described using the same reference numerals as those of the present invention. Accordingly, in the drawings of the present invention and the conventional example, the same reference numerals denote the same parts and perform the same functions. In FIG. 1, reference numeral 1 denotes a container, 2 denotes a mouth thereof, and a vertical engaging projection 3 is formed on the mouth 2. Reference numeral 6 denotes an inner plug, which is formed of a synthetic resin, and has an attachment portion 22 to the container 1 including an outer cylinder 11, an inner cylinder 12, and an upper wall 13. Reference numeral 4 denotes a locking projection of the inner plug 6 which locks the engaging projection 3 in the vertical direction. Reference numeral 23 denotes a holding unit that holds the outer lid 24. Reference numeral 5 denotes a discharge tube, 19 denotes a blocking wall for blocking the passage of fluid, 21 denotes a tearing portion formed by an endless crack 18 formed in the blocking wall 19, and a pull ring is attached to the tearing portion 21. A tear-like member 20 is provided. Reference numeral 25 denotes a connecting portion, and 26 denotes a ridge. A user such as a consumer removes the outer lid 24, then pulls the tearing member 20 upward, tears the fissure 18 and forms an opening therethrough to allow the liquid or the like of the unshown contents of the container 1 to flow out. Used.

[0003]

However, the inner plug 6 has the following problems. This occurs when the container 1 or the inner plug 6 is collected as a resource. Generally, the container 1 and the inner plug 6 are formed of different materials, and it is necessary to separate them when collecting them as resources. 3
Therefore, it cannot be easily removed from the mouth portion 2. The present invention has been made in order to solve the above-mentioned problems, and the object thereof is to provide an inner plug attached to the mouth portion 2 of the container 1 in the form of a stopper as described above, that is, to the engaging projection 3 of the container 1. When the container 1 and / or the inner plug 6 is recovered in the inner plug of the container in which the locking projections 4 of the inner plug 6 are locked in the vertical direction, the container 1 can be very easily removed from the mouth 2 of the container 1. It is to provide an inner cap for a container that can.

[0004]

According to the present invention which achieves the above object, the present invention has an engaging projection 4 which engages with an engaging projection 3 formed on the outer periphery of a mouth 2 of a container 1, and In the inner plug 6 having the dispensing cylinder 5, a weakening line 7 having two corresponding ends 7 a and 7 b and surrounding the dispensing cylinder 5 is formed outside the dispensing cylinder 5. The two end portions 7a, 7b are respectively connected with outward and downwardly directed weakening lines 8a, 8b, and at least one of the weakening lines 8a, 8b is made to cross the locking projection 4 in the vertical direction. It is an inner plug of a container characterized by the following. The weakening line 7 is an inner plug of the container formed at the base 10 of the pouring tube 5 or in the vicinity thereof. The weakening line 7 is the inner plug of the container formed on the upper wall 13 of the inner plug 6, which connects the outer cylinder 11 and the inner cylinder 12. The mouth 2 of the container 1
An inner plug 6 having a locking projection 4 for locking to an engagement projection 3 formed on the outer periphery and having a pouring cylinder 5, two lower end portions 7 a corresponding to the up-down direction of the pouring cylinder 5, 7b, two weakening lines 7 are formed, and the two corresponding ends 7a, 7b are connected to outward and downward weakening lines 8a, 8b, respectively. An inner plug of a container, characterized in that at least one of the plugs is made to cross the locking projection 4 in the vertical direction.

The cross section 9 is the inner plug of the container at two locations. The pouring cylinder 5 is an inner plug of the container in which a hole 15 is formed in a side wall 14 of the pouring cylinder 5. The pouring cylinder 5 is an inner plug of the container in which the upper outer peripheral portion 16 is formed to have a larger diameter than the lower outer peripheral portion 17. The width 7c of the corresponding two ends 7a and 7b of the weakening line 7 is the inner plug of the container formed to be smaller than the maximum width 7d of the weakening line 7. The corresponding two ends 7a, 7b of the weakening line 7
7c is the width 8 at the ends of the two weakening lines 8a and 8b.
It is the inner plug of the said container formed smaller than c. The width 7c of the corresponding two ends 7a, 7b of the weakening line 7
Is an inner plug of the container formed so as to be larger than the width c at the ends of the two weakening lines 8a and 8b. Further, the inner stopper 6 has a blocking wall 19 having an endless groove 18 for blocking the contents of the container 1 from passing therethrough inside the pouring tube 5, and a tearing member 20 is provided on the blocking wall 19. The inner plug of the container.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIGS. 1 and 2, reference numeral 1 denotes a container, and a bottle made of synthetic resin is shown as an example. However, it is needless to say that this may be made of glass. An annular engagement projection 3 is formed on the outer periphery of the mouth 2. Reference numeral 6 denotes an inner plug formed of a synthetic resin, for example, polyethylene, polypropylene, or the like.
1, an inner cylinder 12 and an upper wall 13 are provided with a mounting portion 22 for the mouth portion 2. However, when the container 1 is a box, a can, or the like, the mounting portion 22 is formed in a flange shape unlike the above. The outer cylinder 11 is provided with a locking projection 4 for locking the engaging projection 3. Thus, it will be understood that the inner stopper 6 is attached to the container 1 in a stoppering manner. Reference numeral 5 denotes a pouring cylinder formed in the inner stopper 6, and the pouring cylinder 5 has an upper outer peripheral portion 16 formed to be larger in diameter than a lower outer peripheral portion 17. That is, it is formed in a trumpet shape.
However, this may be formed in a straight cylindrical shape without any problem, and the present invention includes both of them. Reference numeral 19 denotes a blocking wall formed inside the pouring cylinder 5 for blocking the passage of a product such as a liquid or a granular material (not shown) in the container 1.
Is an endless fissure formed in the blocking wall 19, 21 is a tearing part formed inside the fissure 18, and 20 is a tearing member provided on the tearing part 21. 23 is the outer lid 2
4 is a holding part that is formed in a cylindrical shape as an example, and is screwed with an outer lid 24 made of a synthetic resin. However, the holding portion 23 may be formed in an engagement type as shown in FIG. 9 in addition to the above-mentioned screw type, and the present invention includes both. In the figure, the holding portion 23 forms a hook portion, and the hook portion 24a of the outer lid 24 is provided.
It is designed to hang. In this case, the pouring cylinder 5 is provided on the upper wall 13. 25 indicates a hinge.

Next, in FIGS. 1 and 2, reference numeral 7 denotes a weakening line which is formed so as to be easily torn. The weakening line shown in FIG. 1 is formed at the base 10 of the pouring cylinder 5, and FIG. FIG.
May be formed on the upper wall 13 as shown in FIG. 5, or may be formed on the dispensing tube 5 as shown in FIG. 1 and 2, it is formed to be thin outside the inner plug 6 as an example in FIGS. 1 and 2. However, this may be formed thin inside as shown in FIGS. Next, reference numerals 8a and 8b denote weakening lines connected to the corresponding ends 7a and 7b of the weakening line 7 outward, respectively.
Is formed in a thin wall, and its end portion 26 is formed as shown in FIG.
As shown in FIG. 9, the locking projection 4 is formed by crossing 9 in the vertical direction. And this weakening line 7
May be formed with two transverse portions 9 as shown in FIGS. 2, 3, 6 and 7, or as shown in FIGS. 4, 5 and 8, There is no problem even at two places.

Next, what is shown in FIG. 6 is one in which a hole 15 is provided in the side wall 14 of the pouring cylinder 5, and a knob 2 is provided on the upper part thereof.
7 was formed. In this case, the weakened line 7 is torn by pulling the knob 27 in the axial direction or in a direction intersecting with the axial direction, and then both the weakened lines 8a and 8b are torn. The inner plug configured as described above removes the outer lid 24 during use, and
Is pulled to break the fissure 18, and a through hole is formed in the fissure 18 for use. The present invention is configured as described above, so that the dispensing cylinder 5 functions as the dispensing cylinder 5,
The part 5a of the pouring cylinder 5 opposite to the weakening lines 8a and 8b is
The weakening line 7 and the weakening lines 8a and 8b can be used as a grip for continuously tearing.

The pouring cylinder 5 is formed so as to protrude upward so as to dispense a liquid, so that it is easy to grasp.
And a portion 5a of the dispensing cylinder 5 opposite to the weakening lines 8a and 8b.
By pulling upward or obliquely upward with a finger, pliers, etc., the weakening line 7, the weakening lines 8a, 8b can be cut continuously, and the locking projection 4 can also be cut off as a series of operations. Thus, the locking projection 4 can be easily formed.
The engagement of the engagement projection 3 can be loosened, and
Can be removed from the container 1. That is, the inner plug 6 can be removed from the container 1 very easily by one operation of pulling the portion 5a. That is, the entire process of removing the inner plug 6 can be completed by one operation. In addition, the outer periphery 16 of the upper part of the dispensing cylinder 5 having a larger diameter than the outer periphery 17 of the lower part is, as shown in FIG.
The end 5a on the opposite side of 8b is easy to put a finger on, so that the grip can be ensured, and it is easy to apply a pulling force diagonally upward, that is, in a substantially right angle direction.

[0010]

According to the present invention, there is provided a locking projection 4 for locking with an engaging projection 3 formed on the outer periphery of the mouth 2 of the container 1, and
An inner plug 6 having an upwardly projecting injection tube 5 and having an outer lid screwed thereto, the inner tube 6 having two corresponding end portions 7a and 7b outside the injection tube 5 and having the corresponding discharge end. At the base of 5 or 10
Forms a weakening line 7 surrounding the vicinity thereof, and connects the corresponding two ends 7a, 7b to outward and downward weakening lines 8a, 8b, respectively, and at least one of the weakening lines 8a, 8b One side is made to traverse the locking projection 4 in the up-down direction, and the weakening lines 8a,
The part 5a on the opposite side of 8b is connected to the weakening lines 7 and 8
a, 8b are formed as gripping portions for continuous tearing, so that the dispensing cylinder 5 functions as the dispensing cylinder 5 and a portion 5a of the dispensing cylinder 5 on the opposite side to the weakening lines 8a, 8b. Can be used as a grip for continuously breaking the weakening line 7 and the weakening lines 8a and 8b. The dispensing cylinder 5 is provided so as to protrude upward so as to dispense the liquid, so that it is formed to be easy to grasp, and the weakening line 8a of the dispensing cylinder 5
The weakened line 7, the weakened lines 8a and 8b can be continuously torn by pulling the portion 5a on the opposite side of 8b upward or obliquely upward with a finger, pliers or the like, and then the locking projection 4 is also a series of It can be separated as an operation, and thus the locking of the locking projections 4 and the engaging projections 3 can be easily loosened, and the inner plug 6 can be removed from the container 1 as it is. That is, the inner plug 6 can be removed from the container 1 very easily by one operation of pulling the portion 5a. That is, the entire process of removing the inner plug 6 can be completed by one operation. Further, since the weakening line 7 is formed at or near the base 10 of the pouring cylinder 5, the force applied to the pouring cylinder 6 directly reaches the base 10 or near the base 10 and stress concentration occurs there. And the tearing of the weakened line 7 can be easily started. The present invention has an inner stopper 6 having an engaging projection 4 for engaging an engaging projection 3 formed on the outer periphery of the mouth 2 of the container 1 and having a pouring cylinder 5.
In the above, two weakening lines 7 forming two ends 7a and 7b corresponding to the vertical direction of the pouring cylinder 5 are formed,
The two corresponding ends 7a, 7b are respectively connected to outward and downward weakening lines 8a, 8b, and at least one of the weakening lines 8a, 8b is connected to the locking projection 4
In the vertical direction, the weakened line 7 can be formed very short, and the weakened line 7 and the weakened line 8a can be formed.
Alternatively, the same 8b can be formed continuously in the same direction, so that all the steps can be completed by a tearing operation in one direction.
Further, since the crossing portion 9 of the present invention is provided at two places, the locking of the locking projection 4 with the engaging projection 3 can be sufficiently weakened, and the inner plug 6 can be easily removed from the container 1 very easily. I can do it. Further, the outer peripheral portion 16 at the upper portion of the pouring cylinder 5 of the present invention is formed to have a larger diameter than the outer peripheral portion 17 at the lower portion, so that the operation of raising the pouring cylinder 5 obliquely upward as shown in FIG. In this case, the finger can be applied securely and effectively in a direction substantially perpendicular to the pouring cylinder 5 without slipping.

According to the second aspect of the present invention, the weakening line 7 is connected to the discharge cylinder 5
Since the force applied to the spout cylinder 6 is formed at or near the base 10 of the base, the force directly reaches the base 10 or the vicinity thereof, and stress concentration can be caused there. 7 can be initiated.
According to the third aspect of the present invention, when the pouring cylinder 5 is gripped and the weakening line 7 is torn off, the mass is relatively large and the weakening line 8
Since a and 8b are formed relatively short,
Since the force is easily applied to the weakening lines 8a and 8b in the portion of the locking projection 4, the crossing of the locking projection 4 can be facilitated.

According to the fourth aspect of the present invention, the weakened line 7 can be formed very short, and the weakened line 7 and the weakened line 8a or 8b can be continuously formed in the same direction. The operation can be completed. According to the fifth aspect of the present invention, since the cross section 9 is provided at two places, the locking of the locking projection 4 with the engaging projection 3 can be sufficiently weakened, and the inner plug 6 can be removed from the container 1. It can be very easy. The dispensing cylinder 5 is provided on the side wall 14 of the dispensing cylinder 5.
When the hole 15 is formed , a finger can be put on the hole 15 formed on the side wall 14 of the pouring cylinder 5, the knob 27 above the hole 15 can be pinched, and a force can be applied to the pouring cylinder 5. In addition, the tearing of the weakened line 7 can be easily started. According to the invention of claim 6 , the upper outer peripheral portion 16 of the pouring cylinder 5 is formed to have a larger diameter than the lower outer peripheral portion 17 of FIG.
As shown in (2), when the operation of raising the dispensing cylinder 5 obliquely upward, a finger can be prevented from slipping, and a force can be applied securely and effectively in a direction substantially perpendicular to the dispensing cylinder 5. Weakening line 7
The width 7c of the corresponding two ends 7a, 7b is two weakened
It is formed smaller than the width 8c at the ends of the lines 8a and 8b.
When the crossing of the locking projection 4 is made at two places, the interval of the tearing of the locking projection 4 can be increased, and therefore the circumferential length of the locking projection 4 can be shortened. The locking of the inner plug 6 to the container 1 can be further loosened. weak
Width 7c of the corresponding two ends 7a, 7b of the conversion line 7
Is greater than the width 8c at the ends of the two weakening lines 8a and 8b.
When formed large , the pulling force of the ejection tube 5 can be increased as the ejection tube 5 is separated,
The tearing operation in all steps can be facilitated. Inner plug 6
Cuts off the passage of the contents of the container 1 inside the discharge tube 5,
A blocking wall 19 having an endless fissure 18 formed therein;
When the tearing member 20 is provided on the wall 19, a stopper-type inner plug which can be easily removed from the container is provided .
Until the first use, the seal can be kept and its opening can be made very easy.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is a half sectional view of an inner plug of a container.

FIG. 2 is a perspective view showing the open state of the inner plug of the container shown in FIG. 1;

FIG. 3 shows a second embodiment of the present invention and is a perspective view of an inner plug of a container.

FIG. 4 is a view showing a third embodiment of the present invention and corresponding to FIG. 3;

FIG. 5 is a view showing a fourth embodiment of the present invention and corresponding to FIG. 3;

FIG. 6 is a view showing a fifth embodiment of the present invention and corresponding to FIG. 3;

FIG. 7 is an explanatory view of an operation of the inner plug of the container shown in FIG. 2 when the inner plug is removed from the container.

FIG. 8 is an explanatory view of the operation of the inner plug of the container shown in FIG. 5 in a case where the inner plug is removed from the container.

FIG. 9 shows a sixth embodiment of the present invention and is a cross-sectional view of the inner plug of a container.

FIG. 10 is a half sectional view of a conventional inner plug of a container.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container 2 Mouth 3 Engagement projection 4 Engagement projection 5 Discharge cylinder 6 Inner plug 7 Weak line 7a End 7b End 8a Weak line 8b Weak line 9 Crossing part 10 Base part 11 Outer cylinder 12 Inner cylinder 13 Top wall DESCRIPTION OF SYMBOLS 14 Side wall 15 Hole 16 Upper peripheral part 17 Lower peripheral part 18 Groove 19 Blocking wall 20 Tearing member

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 35/44-35/54 B65D 39/00-55/16

Claims (4)

(57) [Claims] 1. A container 1 having a locking projection 4 for locking to an engaging projection 3 formed on the outer periphery of a mouth 2 and a pouring cylinder 5 projecting upward. In the inner plug 6 to be attached, two corresponding end portions 7a, 7b are provided outside the pouring cylinder 5.
To form a weakening line 7 surrounding the base 10 of the pouring cylinder 5 or the vicinity thereof , and the corresponding two ends 7
a, 7b, respectively, outward and downward weakening lines 8
a, 8b are connected, and at least one of the weakening lines 8a, 8b is made to traverse the locking projection 4 in the vertical direction, and a portion 5a of the pouring cylinder 5 on the opposite side to the weakening lines 8a, 8b. A container for continuously breaking the weakening line 7 and the weakening lines 8a and 8b. 2. An inner plug 6 having an engaging projection 4 for engaging an engaging projection 3 formed on an outer periphery of a mouth portion 2 of a container 1 and having a pouring cylinder 5, Two ends 7a, 7 corresponding to the vertical direction
b, the two weakening lines 7 forming the outermost and lowering lines 8a and 8b are respectively connected to the corresponding two ends 7a and 7b.
Characterized in that at least one of them is made to cross the locking projection 4 in the vertical direction. 3. A transverse portion 9 of the container according to claim 2, wherein the two places inner plug. 4. The inner plug of a container according to claim 2, wherein the outer peripheral portion 16 of the pouring cylinder 5 has a larger diameter than the outer peripheral portion 17 of the lower portion.