JPH11321913A - Cap easy in separation and recovery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a perforation line for recoverying a container from being broken by integratedly connecting an upper end part of a tear-off part formed between two weakened lines to a holding part concentrically provided on the outside of a pouring cylinder, and providing an outer lid to cover both the pouring cylinder and the holding part. SOLUTION: Two thin-walled weakened lines are provided on a cylindrical part 4 of a spout 1. A tear-off part 17 is formed between the weakened lines 16. A holding part 18 is integratedly provided on the upper part of the tear-off part 17. The holding part 18 having a leg part 20 is provided in a T-shaped manner on the upper end part 19 of the tear-off part 17, and formed in a concentric and bracket-shaped manner along a pouring cylinder 11. An outer lid 2 covers both the pouring cylinder 11 and the holding part 18 when the spout 1 is closed. The holding part 18 can be stored inside the outer lid 2. A risk that a pull-ring for separation and recovery of a container is mistakenly and suddenly pulled when the container is opened for the first time, can be eliminated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap which is provided at the mouth of a container such as a bottle and which can be easily separated and collected.

[0002]

2. Description of the Related Art At present, a cap of a container including a spout and an outer lid, which is widely used, is generally formed of a synthetic resin, and the spout has a ridge which is engaged with a concave rim on the outer periphery of the mouth of the container. It has a pipe | tube part and is equipped with the pouring pipe | tube which pours out the contents of a container, and the blocking wall which blocks the passage of the contents which formed the score inside this pouring pipe is formed. And an outer lid for covering the dispensing cylinder. In recent years, it has been demanded that such caps can be easily removed at the time of container recycling,
Various caps that can be easily separated and collected have been proposed.

[0003] One example is a pouring plug described in Japanese Utility Model Laid-Open No. 7-8253. This pouring plug is configured as shown in FIG. 17, and a thin break line 103 for breaking the peripheral wall 102 is formed on the peripheral wall 102 of the plug main body 101 to provide a break portion 104, and the break wall 104 is provided on the break portion 104. 10
2 is provided with a knob piece 105 protruding outwardly.

In the case of collecting a container (not shown), the user grips the knob 105 and pulls it to break the breaking line 103, thereby loosening the pressure contact with the container and removing it from the container. In the figure, reference numeral 106 denotes a dispensing cylinder, 1
07 denotes a blocking wall, and 108 denotes a pull ring. The outer lid is not shown.

[0005]

However, the above-mentioned conventional spout has the following drawbacks. (1) When the knob 105 is provided so as to protrude outward from the peripheral wall 102, when the consumer accidentally picks up the knob 105 and breaks the breaking line 103 at the first opening. There is. (2) When the container is to be plugged, the container is made to align and advance on the aligning machine (not shown) toward the plugging device. In this case, the tabs 105 of the pouring plugs interfere with each other to hinder alignment and advancement. A phenomenon occurs in which the alignment cannot proceed smoothly. (3) The knob 105 tends to be formed as small as possible because of the fear of interference between the knobs 105.
However, in this case, it is difficult to pinch and pull the knob piece 105, and it is difficult to apply a pulling force because the area of the knob piece 105 is small.

The present invention has been made in order to improve the above situation, and has as its object the purpose of the prior art spout, which is to prevent the consumer from accidentally breaking the container for the first time of opening. An object of the present invention is to provide a cap which can be easily separated and collected without breaking a wire. Another object of the present invention is to provide a cap which can be smoothly aligned and advanced on the aligning machine without any risk of interference with the tab pieces projecting outward on the aligning machine at the time of stoppering. It is to provide. It is still another object of the present invention to provide a cap which can be easily separated and collected and has a grip portion which can be easily gripped and easily applied with a pulling force when breaking a break line for collecting a container.

[0007]

According to the present invention, there is provided a cylindrical portion formed of a synthetic resin and having a ridge which is engaged with a concave ridge on an outer periphery of a mouth of the container, and the cylindrical portion for discharging contents of the container. It has a smaller-diameter pouring cylinder, has a blocking wall for blocking the flow of the contents inside the pouring cylinder, and a score is formed on the blocking wall, and a pull ring is provided on the upper inside of the score. In the provided spout, a tear portion is formed by forming two lines of weakness in the longitudinal direction of the cylindrical portion, and the upper end of the tear portion is concentric with the outside of the spout cylinder. The present invention is characterized in that an outer lid is formed so as to be integrally connected to the provided grip portion and further covers both the pouring cylinder and the grip portion.

According to the present invention, an injection cylinder is provided inside a cylindrical portion formed of a synthetic resin and having a ridge that is engaged with a concave ridge on the outer periphery of the mouth of the container, and the injection cylinder is provided with a pull ring and a shutoff. A cap provided with a wall; a longitudinal weakening line provided on the tubular portion; a circumferential weakening line continuous with an upper end of the longitudinal weakening line provided on an upper wall of the tubular portion; The upper end of the portion is connected to a grip portion disposed concentrically outside the pouring cylinder.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to solve the problems of the prior art, the inventor of the present invention has made sure that the grip portion does not protrude to the side of the cylindrical portion, and that the grip portion is easy to grip and easy to apply force. We thought that it was necessary to do this and conducted various experimental studies.
As a result, a vertical weakening line is provided in the cylindrical portion, and a circumferential weakening line that is continuous with the upper end of the vertical weakening line is provided on the upper wall of the cylindrical portion, and at the upper end of the separation base end of the cylindrical portion, It has been found that a concentrically arranged gripping part may be connected to the outside of the pouring cylinder.

A tearing portion is formed by forming two weakening lines in the longitudinal direction of the cylindrical portion, and the upper end of the tearing portion is attached to a grip portion provided concentrically outside the pouring cylinder. It has been found that it can be formed by connecting them together.

[0011]

FIG. 1, FIG. 2, FIG. 4, and FIG.
A description will be given with reference to (first embodiment), FIG. 3 (second embodiment), and FIGS. 5 to 8 (third embodiment). In FIG. 1 to FIG. 4, reference numeral 1 denotes a spout made of synthetic resin, for example, polyethylene, and 2 denotes an outer lid integrally provided by a hinge 3. The outer lid 2 is provided on the spout 1 by the hinge 3, but this is merely an example, and the outer lid 2 may be provided by screwing or the like (not shown). Next, reference numeral 4 denotes a cylindrical portion of the spout 1 and a projection 8 which presses into and engages with a recess 7 formed on the outer periphery of the mouth 6 of the container 5 inside.
Are formed.

Reference numeral 9 denotes an inner cylinder which is in pressure contact with the inner periphery of the mouth portion 6, and the cylindrical portion 4 and the inner cylinder 9 are connected to each other concentrically by an upper wall 10. Reference numeral 11 denotes a pouring cylinder, which is formed on the upper wall 10 and has a smaller diameter than the cylindrical portion 4. Further, a blocking wall 12 for blocking passage of a content liquid (not shown) of the container 5 is formed inside the pouring cylinder 11, and an endless score 13 is formed on the blocking wall 12. The score 13 is formed in a thin shape. Reference numeral 14 denotes a break formed inside the score 13, and reference numeral 15 denotes a pull ring provided on the break 14.

Next, reference numeral 16 denotes a thin-walled two-line weakening line provided on the inner surface of the cylindrical portion 4, and a tearing portion 17 is formed between the two weakening lines 16. A grip 18 is integrally provided above the tearing portion 17. The gripping portion 18 will be described. The upper portion 19 of the tearing portion 17 is provided with a leg portion 20 in a T-shape as shown in FIG. 2 and is concentric with the pouring tube 11. And in the shape of parentheses. However, as shown in FIG. 3, the grip portion 18 is formed in an inverted L shape as shown in FIG.
May be extended to only one side and provided in a bracket shape. As shown in FIGS. 5 and 6 to 8, the grip portion 18 may be provided in a ring shape via a leg portion 20. In this case, the holding portion 18 is formed so as to surround the pouring cylinder 11, and the tip portion 21 is provided integrally with the upper wall 10 by a bridge 22 that is easily broken. Further, as shown in FIG. 9, the two lines of weakening lines 16 extend from the upper end of the cylindrical portion 4 to the upper wall 10.
And extends in the horizontal direction and is connected at a portion corresponding to the inside of the base of the grip portion 18. With this configuration, the weakening line at the portion corresponding to the inside of the base can be easily broken by pushing the grip portion 18 outward.

Next, as shown in FIG. 1, when the spout plug 1 is closed, the outer lid 2 is used for the spout cylinder 11 and the grip 18.
It is configured to cover both. In FIG. 1, 23
Is a middle foot, and when the outer lid 2 is closed as shown in FIG.
1 is tightly closed inside. The upper portion of the cylindrical portion 1 has a step portion 24, which receives the lid tube portion 25 of the outer lid 2. The grip 18 formed in the ring shape is provided with the cutout 17.
7 was bent upward to form a knob 26 as shown in FIG. As a result, the grip 18 can be more easily picked.

The cap of the present invention is configured as described above, and is used by being plugged into the mouth 6 of the container 5. Consumers pull the pull ring 15 by removing the outer lid 2 when opening,
The blocking wall 12 is broken from the score 13 and a through hole is formed therefor before use. In order to consume the liquid product or the like in the container 5 and to collect the container 5, the user grips the gripper 18 and inserts it into the container shown in FIG.
5, the bridge 22 is broken in the cap shown in FIG. 5, and the ring-shaped grip 18 is inverted and gripped as shown in FIG. Pull outward to tear off the line of weakness 16, thereby loosening the press fit of the cap to the mouth 6;
It is removed from the mouth 6. The gripping portion 18 is formed in a bracket shape surrounding the pouring tube 11 so that the outer lid 2 is formed.
Inside the box, and there is no risk that the consumer accidentally pulls it on the first opening. Also, the gripper 18 can be made larger than before, so that the weakening line 1
It is easy to apply the breaking force of 6.

A fourth embodiment of the present invention will be described with reference to FIGS. The difference between this embodiment and the first embodiment is as follows. (1) The weakening lines are the vertical weakening line 36 and the vertical weakening line 3
And a circumferential weakening line 37 that is continuous with the upper end of 6. Here, the longitudinal weakening line 36 refers to a vertical thin portion extending in the longitudinal direction of the cylindrical portion 4, that is, the central axis direction, but also includes a weakening line slightly inclined with respect to the central axis direction. It is.

The circumferential weakening line 37 refers to an arc-shaped thin portion formed on the upper wall 10 of the cylindrical portion 4 and formed along the outer periphery of the cylindrical portion 4. Angle) is appropriately selected as necessary, and for example, a central angle of 180 degrees is selected.

The circumferential weakening line 37 and the vertical weakening line 36
Is continuous through the window S, but the shape and length (center angle) of the window S are appropriately selected as necessary, for example, a center angle of 15 degrees is selected. It is needless to say that the window S may be omitted and both may be directly connected.

(2) The grip 30 is a ring-shaped body having a knob 31. This ring-shaped body 30 is a pouring cylinder 1
1 and is located inside the cylindrical portion 4. As shown in FIGS. 10 and 11, the ring-shaped body has an arcuate leg 3.
3 is connected to the upper end of the separation base end portion 34. The length (center angle) of the leg 33 is appropriately selected as necessary. For example, a center angle of 15 degrees is selected according to the length of the window S. The separation base portion 34 is a portion where separation of the weakening lines 36 and 37 is started when the grip portion 30 is pulled and separation from the mouth portion 6 of the container 5 first starts.

The knob 31 is formed in an arc shape.
Is connected to the ring-shaped body 30 on the opposite side. Pick 3
1 projects sideways and upwards of the ring-shaped body 30,
The amount of protrusion is appropriately selected as needed. For example, the amount of protrusion to the side may be set to zero, and the amount of protrusion to the upper side may be set to the vicinity of the tip of the dispensing cylinder 11. The knob 31 and the ring-shaped body 30 are connected via a support arm 38, and the lower end surface of the support arm 38 is fixed to the upper wall 10 by a bridge 39 which can be easily cut. If the ring-shaped body 30 is fixed in this way, the ring-shaped body 30 always maintains a predetermined shape, so that it does not hinder the attachment and detachment of the outer lid 32 to and from the cylindrical portion 4.

(3) The outer lid 32 is screwed to the mouth 6 of the container 5. That is, the outer lid 32 and the cylindrical portion 4 are not hinged, and the two 4 and 32 can be completely separated.

The operation of the fourth embodiment will be described. Container 5
When the cap 1 covers the outer lid 32, the grip 30 and the knob 31 are housed in the outer lid 32 as shown in FIG.

Next, the cap 1 is placed in a container 5 for separation and collection.
The case of removing from the mouth 6 will be described. When the knob 31 is picked up with a finger and lifted upward, the bridge 39 is cut and a force is applied to the leg 33.

When the knob 31 is pulled in the direction of arrow A10, a force is applied to the separation base end 34, and the upper end of the longitudinal weakening line 36 starts to be cut. At this time, since the window portion S is a space portion, stress concentrates on the upper end portion of the weakened portion 36, and the window portion S becomes extremely easily cut.

Further, when the knob 31 is pulled in the same direction, the longitudinal weakening line 36 is cut to the lower end, and the circumferential weakening line 37 starts to be cut. At this time, the ring-shaped body 30 is
3, the distance between the knob 31 and the leg 33, that is, the length of the arm, is longer than the diameter of the cylindrical portion 4. Therefore, since the knob 31 is separated from the cylindrical portion 4, it is easy to pull, and a force is applied to both sides of the leg 33, so that the separation base end 34 can be pulled with a large force. Therefore, the weakening lines 36 and 37 can be smoothly separated.

When all the circumferential weakening lines 37 are cut off, the pressing force of the cylindrical portion 4 against the mouth 6 of the container 5 is completely released. 1 comes off the container 5.

A fifth embodiment of the present invention will be described with reference to FIGS. This embodiment and the fourth embodiment (FIGS. 10 to 1)
The difference from 4) is that the grip is not a ring-shaped body. That is, the knob 41 is directly erected directly on the upper end of the separation base end 34. The knob 41 has a trapezoidal cross section, and has an anti-slip means, for example, a groove 4 on its inner surface 41a.
2 are provided. The grooves 42 are formed in the circumferential direction, and a plurality of grooves 42 are formed at intervals in the vertical direction.

The knob 41 is located inside the cylinder 4 and
It is formed along the circumferential weakening line 37, and its length (center angle) is appropriately selected as necessary. For example, the center angle is formed at 15 degrees corresponding to the window S. In addition,
The knob 31 may be formed in a T shape as shown in FIG. 2 or an L shape as shown in FIG.

In this embodiment, when the cap 1 for separation and recovery is removed from the container 5, the tab 41 is pulled in the direction of arrow A41, and the longitudinal weakening line 36 is cut first, and then the circumferential weakening line 37 is drawn. Start to cut. This knob 41 has a groove 4
2, the force can be easily applied, and the presence of the window S can apply a large force when the weakening lines 36 and 37 start to be cut. Therefore, the weakening line 36 smoothly,
37 can be disconnected.

[0030]

The present invention has the following remarkable effects. (1) Since the grip is provided concentrically outside the pouring cylinder,
It can be provided inside the outer lid. For this reason, if the consumer opens the outer lid in the case of the first opening, both the pull ring for opening the blocking wall and the gripping portion for separating and collecting the container appear, so it is possible to open using the pull ring. You can judge immediately. Therefore, unlike the cap of the above-described conventional example, the risk of accidentally pulling the knob for separating and collecting the container at the time of the first opening can be eliminated.

(2) Since the grip portion is formed concentrically outside the pouring cylinder, it can be formed to an arbitrary size within the range of the circumference of the pouring cylinder. It can be formed large so that it can be easily picked when picking. In addition, when picking it, by inverting the gripping portion in the direction opposite to the pouring tube as shown in FIG. 4, the interval with the pouring tube is widened, so that it is easier to pick and apply a pulling force. be able to. (3) Since the grip is provided inside the outer lid,
On the aligning machine at the time of capping, it is possible to eliminate the possibility that the tab pieces, such as the above-mentioned conventional spouts, interfere with each other and hinder the alignment and progress on the aligning machine.

(4) The grip portion extends from the upper end of the tearing portion to both sides and is provided in a parenthesis surrounding the pouring cylinder.
The gripping portion can be formed much larger than the knob of the spout of the conventional example, so that it can be easily gripped, and a large force can be easily applied. Moreover, this grip is easy to bend to the opposite side of the pouring cylinder, so that both sides of the grip can increase the distance from the pouring cylinder as shown in FIG. It can be gripped over and can easily apply a pulling force.

(4) Since the grip portion extends from the upper end of the tearing portion to one side and is provided in a parenthesis surrounding the spouting tube, the grip portion is bent in the direction opposite to the spouting tube. In this way, it is possible to keep a distance from the dispensing cylinder, and it is possible to pinch a relatively large grip that is easy to pick in spite of its extremely simple structure, and to give sufficient force to tear off the weakening line. Can be.

(5) Since the grip portion is formed in a ring shape surrounding the pouring cylinder, the ring-shaped grip portion is removed from the periphery of the pouring cylinder as shown in FIG. And pull it outward to break the line of weakness. For this reason, the grip portion can be securely gripped, and thus the weakening line can be easily torn off.

(6) Since the grip portion is provided at the upper end of the tearing portion via a leg portion, the grip portion is provided so as to protrude upward by the leg portion. Since a gap is provided between the gripping portions, the gripping portion can be easily picked, and when the gripping portion is pulled outward, the gripping portion is easily inclined outward, so that the pulling can be easily performed.

(7) Each of the two lines of weakening lines reaches the upper wall from the upper end of the cylindrical portion, extends in the horizontal direction, and is connected at a portion corresponding to the inside of the base of the gripping portion. If the knob is pushed down to the outside, the grip portion becomes a point of force in the lever, the portion outside the lower end portion of the grip portion becomes a fulcrum, the inside of the lower end portion becomes an action point, and near the action point, Since the two lines of weakness are connected as shown in the above, the line of weakness is easily torn off, thus starting to tear off the line of weakness. Then, by pulling the gripping portion outward, the line of weakness of the cylindrical body is easily torn off following the start of the torn-off. In this way, it is possible to easily start the tearing of the weakening line.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, and is a cross-sectional view of a case in which a cap with easy separation and collection is attached to a container.

FIG. 2 is a perspective view of the easily separated and collected cap shown in FIG.

FIG. 3 is a view showing a second embodiment of the present invention and corresponding to FIG. 2;

FIG. 4 is an explanatory view of a case in which the easily separated and collected cap shown in FIG. 2 is removed from a container.

FIG. 5 is a view showing a third embodiment of the present invention and corresponding to FIG. 1;

FIG. 6 is a perspective view of the cap shown in FIG. 5;

FIG. 7 is a perspective view of the cap shown in FIG. 6, viewed from an angle different from that of FIG. 6;

FIG. 8 is a view for explaining the operation of the cap shown in FIG. 6 when the cap is removed from the container.

FIG. 9 is a perspective view of a part of the cap shown in FIG. 1;

FIG. 10 is a plan view showing a fourth embodiment of the present invention.

11 is a sectional view taken along line XI-XI in FIG.

FIG. 12 is a sectional view taken along line XII-XII of FIG.

FIG. 13 is a sectional view taken along line XIII-XIII in FIG. 10;

FIG. 14 is a partial longitudinal sectional view showing a state where an outer lid is mounted.

FIG. 15 is a plan view showing a fifth embodiment of the present invention.

16 is a sectional view taken along line XVI-XVI of FIG.

FIG. 17 is a perspective view of a spout of a conventional cap of the same type.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spout plug 2 Outer lid 3 Hinge 4 Tube part 5 Container 6 Mouth part 7 Concave streak 8 Protrusion 10 Top wall 11 Spout tube 12 Blocking wall 13 Score 14 Break part 15 Pull ring 16 Weak line 17 Tearing part 18 Grip part 19 upper end part 20 leg part 30 grip part 31 knob piece 34 separation base end part 36 vertical weakening line 37 circumferential weakening line

Claims (14)

[Claims] 1. A container formed of a synthetic resin and having a ridge engaging with a concave ridge on the outer periphery of a mouth portion of a container, and a discharging cylinder having a smaller diameter than the cylindrical portion for discharging contents of the container. And a pouring plug having a blocking wall for blocking the flow of the contents inside the pouring cylinder, and a score formed on the blocking wall, and a pull ring provided at an upper inside of the score. A tear line is formed by forming two lines of weakening in the longitudinal direction of the tube portion, and the upper end of the tear portion is integrally connected to a grip portion provided concentrically outside the pouring tube. An easy-to-separate cap, wherein an outer lid is provided to cover both the pouring cylinder and the gripping portion. 2. The cap according to claim 1, wherein the holding portion extends on both sides of the upper end of the tearing portion and is provided in a parenthesis surrounding the pouring cylinder. 3. The gripping portion extends to one side of an upper end portion of the tearing portion and is provided in a parenthesis surrounding the pouring cylinder.
Easy cap for separation and collection as described. 4. The cap according to claim 1, wherein the holding portion is provided in a ring shape surrounding the spouting cylinder. 5. The cap according to claim 1, 2, 3 or 4, wherein the grip portion is provided at an upper end portion of the tearing portion via a leg portion. 6. The two weakening lines each extending from the upper end of the cylindrical portion to the upper wall, extending in the horizontal direction, and being connected at a portion corresponding to the inside of the base of the grip portion.
2. The cap according to 2, 3, 4 or 5, which is easy to separate and collect. 7. A pouring cylinder is provided inside a cylindrical portion formed of a synthetic resin and having a ridge for engaging with a concave rim on the outer periphery of the mouth of the container, and the pouring cylinder is provided with a blocking wall provided with a pull ring. In the provided cap, a longitudinal weakening line is provided on the tubular portion; a circumferential weakening line is provided on an upper wall of the tubular portion, the circumferential weakening line being continuous with an upper end of the longitudinal weakening line; An easy-to-separate cap having an upper end connected to a gripper concentrically disposed outside the pouring cylinder. 8. The cap according to claim 7, wherein the two weakening lines are continuous through a window. 9. The cap according to claim 7, wherein the circumferential weakening line has a semicircular shape. 10. The grip portion is formed in a trapezoidal cross section,
8. The cap according to claim 7, wherein a non-slip means is provided on an inner surface thereof. 11. The cap according to claim 7, wherein the grip portion is a ring-shaped body disposed between the outer periphery of the cylindrical portion and the outer periphery of the pouring cylinder. 12. The cap according to claim 11, wherein the ring-shaped body is provided with a knob which is concentric with the cylindrical portion at the front surface thereof. 13. The cap according to claim 11, wherein the ring-shaped body is connected to the upper end of the separation base end of the cylindrical portion via a leg. 14. The cap according to claim 11, wherein the front side of the ring-shaped body is fixed to the upper wall via a bridge.