JP2003072811A - Synthetic resin container lid with pull-ring - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow, in a synthetic resin container lid (2 or 302) including a pull-ring (28, 128, 228 or 328), a finger to easily and reliably hook on the pull- ring and to pass therethrough if needed, even if the pull-ring has a relatively small diameter due to a small diameter of the container lid. SOLUTION: The pull-ring is equipped with a pair of bending portions (30, 130 or 330) while slopes (32, 34, 132, 332 and 334) inclinedly extending upward as coming farther from the bending portions are provided on at least one of the bending portions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin container lid having a pull ring.

A typical example of a synthetic resin container lid provided with a pull ring is a container lid composed of a container lid main body and a crown cap body, which is conveniently used for a container containing a liquid seasoning and seasoning. be able to. The container lid body attached to the mouth and neck of the container has a bottom wall whose cutout region is defined by a breakable line, a connecting column extending upward from the cutout region of the bottom wall, and a bottom wall via the connecting column. And a pull ring connected to. The cap body is rotatably connected to the container lid body or formed separately from the container lid body, and selectively placed in a closed position for covering the bottom wall and pull ring of the container lid body and an open position for exposing them. To be With the crown cap in the open position, pulling on the pull ring with your finger, the rupturable line is broken and the cutout area is cut from the bottom wall to create a discharge opening, which is then accommodated in the container through the discharge opening. It is possible to drain the liquid that is inside.

Another example of a synthetic resin container lid having a pull ring is a container lid used as a so-called inner stopper of a container containing a liquid beverage. Such a container lid has a circular bottom wall, a cylindrical side wall extending upward from a peripheral edge of the bottom wall, and an annular flange wall extending radially outward from an upper end of the side wall, and a pull ring is connected to an inner surface of the side wall. Has been done. In such a container lid, the bottom wall and the side wall are inserted into the mouth-neck portion of the container, and the flange wall is brought into contact with the upper end surface of the mouth-neck portion. Then, when the container lid is detached from the mouth / neck portion, the pull ring may be hooked with a finger and pulled upward.

The conventional synthetic resin container lid having the pull ring has the following problems to be solved. Especially when the mouth and neck of the container has a small diameter, and therefore the container lid itself has a small diameter, the pull ring has a considerably small diameter, and it is not always easy to hang a finger on the pull ring. In order to solve such a problem, in the synthetic resin container lid disclosed in Japanese Utility Model Publication No. 56-49899 and Japanese Utility Model Publication No. 53-129655, a pull ring connected to the bottom wall via a connecting column is used. It is disclosed that it is formed so as to be inclined upward as it is separated from the connecting column. When the pull ring is shaped like this, the part of the pull ring located on the diametrically opposite side to the connecting column becomes the highest, and even if the pull ring has a small diameter, it is somewhat easy to put a finger on the highest part of the pull ring. become. However, it is still not sufficiently satisfactory, and it is often the case that the finger cannot be sufficiently inserted into the pull ring and the finger once hung on the pull ring is separated from the pull ring.

The present invention has been made in view of the above facts, and its main technical problem is that the container lid has a small diameter,
Therefore, it is an object of the present invention to provide a new and improved synthetic resin container lid which allows a finger to be easily and surely put on the pull ring even if the pull ring has a considerably small diameter and allows the finger to be inserted into the pull ring as necessary. .

[0006]

According to the present invention, a pair of bent portions is provided on a pull ring, and at least one side of the bent portion is provided with an inclined portion that extends upward as it moves away from the bent portion. , So that you can easily hang your finger on the highest part of the pull ring without being disturbed by other parts of the pull ring, and when you pull the finger on the pull ring, the bent part of the pull ring is extended and the pull ring expands. The technical problem is achieved by facilitating the insertion of a finger into the pull ring.

That is, according to the present invention, a synthetic resin container lid having a pull ring is provided as a synthetic resin container lid that achieves the above-mentioned technical problems, and a pair of bent portions are disposed in the pull ring. At the same time, there is provided a synthetic resin container lid, characterized in that an inclined portion which is inclined upward as it moves away from the bent portion is provided on at least one side of the bent portion.

In a preferred embodiment, there is a bottom wall having a cutout region defined by a breakable line, and a connecting post extending upwardly from the cutout region, the pull ring extending through the connecting post to the cutout region. It is connected and the pull line is broken by pulling on the pull ring and the cutout region is cut out from the bottom wall to create a discharge opening.
Preferably, the pair of bent portions of the pull ring are arranged at an angle of approximately 90 degrees on both sides in the circumferential direction from the center of the connecting column in the circumferential direction, and the pull ring has the bent portion on one side of the bent portion. To the opposite side in the diametrical direction of the connecting column, the part gradually extends upward with increasing distance from the bent portion. On the other side of the bent portion, the pull ring may be formed to extend from the bent portion to the connecting column so as to gradually incline upward as the distance from the bent portion increases. Alternatively, the pull ring may be configured to extend substantially horizontally on the other side of the bent portion from the bent portion to the connecting column. Two connecting pillars may be arranged adjacent to each other in the circumferential direction, and the pull ring may extend from one of the connecting pillars to the other of the connecting pillars in a substantially circular shape in a plan view. Alternatively, the connecting column is configured to have a single lower part and an upper part that is bifurcated, and the pull ring is substantially circular in a plan view from one of the upper parts of the connecting column that is bifurcated to the other. It is also possible to have a form that extends in shape. In another preferred embodiment,
A circular bottom wall, a cylindrical side wall extending upward from a peripheral edge of the bottom wall, and an annular flange wall extending radially outward from an upper end of the side wall, the pull ring being connected to an inner surface of the side wall. ing. Preferably, the pair of bent portions of the pull ring are arranged at an angle of approximately 90 degrees on both sides in the circumferential direction from the circumferential center of the connecting portion between the pull ring and the side wall, and the pull ring is arranged in the bent portion of the bent portion. On one side, it extends from the bent portion to the opposite side in the diametrical direction of the connecting portion while gradually sloping upward as the distance from the bent portion increases. On the other side of the bent portion, the pull ring may be configured to extend from the bent portion to the connecting portion so as to gradually incline upward as the distance from the bent portion increases. Alternatively, the pull ring can be configured to extend substantially horizontally from the bent portion to the connecting portion on the other side of the bent portion.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a more detailed description will be given with reference to the accompanying drawings illustrating a preferred embodiment of a synthetic resin container lid constructed according to the present invention.

Referring to FIGS. 1 and 2, the container lid, generally designated by reference numeral 2, is integrally formed entirely of a suitable synthetic resin such as polyethylene or polypropylene. The container lid 2 is composed of a container lid body 4 and a cap 6 connected to the container lid body 4.

The container lid body 4 has a bottom wall 8 which may be substantially disc-shaped. An outer hanging wall 10 and an inner hanging wall 12 are formed on the lower surface of the bottom wall 8. The outer hanging wall 10 has a substantially cylindrical shape, and hangs downward from the outer peripheral edge of the bottom wall 8. The inner hanging wall 12 also has a substantially cylindrical shape, and hangs downward from the lower surface of the bottom wall 8 substantially concentrically with the outer hanging wall 10. An annular locking projection 14 is formed at the center of the inner peripheral surface of the outer hanging wall 10 in the axial direction so as to project radially inward. The lower portion of the outer peripheral surface of the inner hanging wall 12 has an arc shape in a sectional view, and the outer diameter thereof is gradually reduced downward.

An annular locking wall 16 is formed on the upper surface of the bottom wall 8. The locking wall 16 has a substantially cylindrical shape extending upward from the outer peripheral edge portion on the upper surface of the bottom wall 8, and an annular locking projection 18 protruding outward in the radial direction is formed on the upper end of the outer peripheral surface thereof. A pouring guide wall 20 is also formed on the upper surface of the bottom wall 8. The illustrated pouring guide wall 20 has a substantially cylindrical shape that extends upward from the upper surface of the bottom wall 8, and its upper end portion is curved outward in the radial direction. However, if desired, on the right side of the pouring guide wall 20. It is also possible to cut out the upper end of the region. The dispensing guide wall 20 is not concentric with the locking wall 16
On the other hand, it is slightly displaced to the left in FIGS. 1 and 2. The locking wall 16 is relatively low, the pouring guide wall 20 is relatively high, and the pouring guide wall 20 extends upward beyond the locking wall 16.

In the illustrated embodiment, the bottom wall 8 comprises:
The breakable line 22 defines a cutout area 24. The rupturable line 22 is the inner hanging wall 12
In addition, it can be configured by a so-called score in which the wall thickness of the bottom wall 8 is reduced so as to extend inward in the radial direction from the pouring guide wall 20 in a substantially circular shape. A pull ring 28 is connected to the cutout region 24 via a connecting column 26 extending substantially vertically from the peripheral edge of the upper surface thereof.

Referring to FIG. 3 together with FIGS. 1 and 2, the connecting column 26 has a substantially circular arc shape in FIG. 1 (ie, plan view), and the pull ring 28 in FIG. 1 (ie, plan view). It extends in a substantially circular shape. Pull ring 28
Is provided with a pair of bent portions 30, and at least one side of the bent portions, in particular, the diametrically opposite side of the connecting column 26, is provided with an inclined portion extending upward as it moves away from the bent portions. It is important that it is established. In the illustrated embodiment, the pair of bent portions 30 of the pull ring 28 are substantially 90 degrees from the circumferential center of the connecting column 26 to both sides in the circumferential direction.
The inclined portions 32 are arranged at an angle of degrees, and on one side of the bent portion 30, an inclined portion 32 that gradually inclines upward as it goes away from the bent portion 30 from the bent portion 30 to the diametrically opposite side of the connecting column 26 is provided. On the other side of the bent portion 30, there is provided an inclined portion 34 extending from the bent portion 30 to the connecting post 26 so as to gradually incline upward as the distance from the bent portion 30 increases. The inclined portion 32 is inclined at approximately 20 degrees with respect to the horizontal, and the inclined portion 34 is inclined at approximately 20 degrees with respect to the horizontal. The portion of the pull ring 28 located on the diametrically opposite side of the connecting column 26 is shown in FIG. 2 when the cap 6 exposes the bottom wall 8 of the container lid body 4, the connecting column 26, and the pull ring 28. As shown by the solid line, it is located above the upper end of the dispensing guide wall 20 (pull ring 28).
2 in the diametrically opposite side of the connecting column 26 in the state shown in FIG. 2 by the crown cap portion 6 when the crown cap portion 6 is in the closed position shown by the chain double-dashed line in FIG. It is elastically displaced to the position shown by the chain line).

Continuing the description with reference to FIGS. 1 and 2,
The cap 6 is suspended from the circular top wall 36 and the peripheral edge of the top wall 36 (that is, when the cap 6 is in the closed position shown by the chain double-dashed line in FIG. Skirt wall 38 of cylindrical shape). The cap 6 is also formed with a cylindrical seal wall 40 extending downward from the inner surface of the top wall 36. Seal wall 4
0 is not concentric with the skirt wall 38, but is displaced slightly to the right with respect to the skirt wall 38 in FIGS. 1 and 2 (the cap 6 is in the closed position shown by the chain double-dashed line in FIG. 2). When squeezed, the skirt wall 38 is located concentrically with the locking wall 16 of the container lid body 4 and the sealing wall 40 is located concentrically with the pouring guide wall 20 of the container lid body 4). Seal wall 4
The outer peripheral surface of 0 has an inverted truncated cone shape whose outer diameter gradually decreases toward the extended end. An annular locking groove 42 is formed at the lower end of the inner peripheral surface of the skirt wall 38. Such a cap 6 may be of a known form per se, the swivel connection 4.
It is connected to the container lid body 4 via 4. The swivel connecting portion 44 is arranged between the outer peripheral surface of the bottom wall 8 of the container lid body 4 and the lower end of the outer peripheral surface of the skirt wall 38 of the cap portion 6. A projecting piece 46 that projects radially outward from the lower end of the outer peripheral surface of the skirt wall 38 is also formed on the cap 6 on the diametrically opposite side of the swivel connecting portion 44.

FIG. 2 also shows the mouth / neck portion 48 of the container to which the container lid 2 is applied. The mouth neck portion 48 of the container, which can be made of glass or an appropriate synthetic resin such as polyethylene terephthalate, has a substantially cylindrical shape, and an annular locking jaw portion 50 projecting outward in the radial direction is provided on the upper end portion of the outer peripheral surface thereof. Has been formed. As clearly shown in FIG. 2, the container lid body 4 receives the upper end of the mouth-neck portion 48 of the container between the outer hanging wall 10 and the inner hanging wall 12 to provide the mouth-neck portion 48.
Be attached to. The locking ridges 14 formed on the inner peripheral surface of the outer hanging wall 10 are locked below the locking jaws 50 of the mouth / neck portion 48, whereby the container lid body 4 is engaged with the mouth / neck portion 48. Be stopped. The upper end surface of the mouth / neck portion 48 is brought into close contact with the lower surface of the bottom wall 8 between the inner hanging wall 12 and the outer hanging wall 10,
This seals the mouth / neck portion 48. When the crown cap body 6 is positioned at the closed position, the locking groove 42 formed on the inner peripheral surface of the skirt wall 38 has a locking protrusion formed on the outer peripheral surface of the locking wall 16 of the container lid body 4. The cap 18 is locked, and the cap body 6 is locked in the closed position indicated by the chain double-dashed line. The outer peripheral surface of the seal wall 40 of the cap 6 is brought into close contact with the upper portion of the inner peripheral surface of the pouring guide wall 20 of the container lid body 4.

When the liquid contained in the container is discharged, the cap 6 is swung from the closed position shown by the two-dot chain line to the open position shown by the solid line, and the pull ring 28 is moved to the position shown by the two-dot chain line. To the position shown by the solid line. Then, pull your finger on the pull ring 28,
The breakable line 22 formed on the bottom wall 8 is broken. The pull ring 28 is provided with a pair of bent portions 30, and the bent portion 30 is provided on one side (the opposite side of the connecting column 26).
There is a sloping portion 32 that gradually increases upwards away from the sloping portion, so that even if the pull ring 28 has a relatively small diameter, the finger can be easily hooked on the sloping portion 32 of the pull ring 28. When the pull ring 28 is pulled with a finger, the pull ring 28 itself is expanded, and the bent portion 30 is linearly deformed to increase the inner diameter of the pull ring 28. Even if the inner diameter is relatively small, the finger can be inserted into the pull ring 28 with sufficient ease. When the breakable line 22 formed on the bottom wall 8 is broken, the cutout region 24 of the bottom wall 8 is separated from the container lid main body 4 together with the pull ring 28 and the connecting column 26, and a discharge opening is formed in the bottom wall 8. It After that, the liquid can be discharged through the discharge opening by tilting the entire container. When the pouring of the required amount of liquid is completed, the cap 6 is swung to the closed position indicated by the chain double-dashed line. As a result, the inner surface of the top wall 36 of the cap 6 is brought into contact with the portion of the pull ring 28 located on the diametrically opposite side of the connecting column 26, and the pull ring 28 is shown at two points from the position shown by the solid line in FIG. It is elastically displaced to the position shown by the chain line. At the same time, the outer peripheral surface of the seal wall 40 of the cap 6 is brought into close contact with the upper portion of the inner peripheral surface of the pouring guide wall 20 of the container lid body 4, and the mouth / neck portion 48 of the container is temporarily sealed.

FIG. 4 illustrates a portion of a modified container lid constructed in accordance with the present invention. In this variation,
Two connecting columns 126 for connecting the pull ring 128 to the bottom wall 108 are arranged at a slight interval in the circumferential direction, and the pull ring 128 extends from one upper end of the connecting column 126 to the other side of the connecting column 126. In a plan view extending to the upper end of the substantially circular shape. Then, on one side of the pair of bent portions 130 formed on the pull ring 128 (on the diametrically opposite side with respect to the connecting column 126), an inclined portion 132 that gradually inclines upward with increasing distance from the bent portion 130 is provided. However, the bending portion 13 is provided on the other side of the pair of bending portions 130.
There is a horizontal portion 127 that extends substantially horizontally from 0 to the connecting post 126. Other configurations of the container lid shown in FIG. 4 may be the same as those of the container lid shown in FIGS. 1 to 3.

In the container lid shown in FIG. 4, when the pull ring 128 is hooked with a finger and pulled, the two connecting columns 12 are
6 are elastically deflected away from each other, which helps increase the inner diameter of pull ring 128.

FIG. 5 shows a part of another modification of the container lid. In this variation, the connecting post 226 has a single lower portion 227 and a bifurcated upper portion 229. The pull ring 228 extends in a substantially circular shape in a plan view from one upper end of the upper part 229 branched into two in the connecting column 226 to the other upper end. Other configurations of the container lid shown in FIG. 5 may be the same as those of the container lid shown in FIGS. 1 to 3.

In the container lid shown in FIG. 5, when pulling the pull ring 228 with a finger, the bifurcated upper portions 229 of the connecting column 226 are elastically bent in the directions away from each other, whereby Increasing the inner diameter of pull ring 228 is encouraged.

In the above-described embodiment, the cap portion 6 is connected to the container lid body 4 via the swivel connecting portion 44, but in the present invention, the cap portion is detachably screwed to the container lid body. The present invention can also be applied to a container lid in the form of the above, or a container lid in which the cutout region and the pull ring connected to the cutout region are arranged in a stopper formed separately from the container lid.

FIG. 6 illustrates another embodiment of a container lid constructed in accordance with the present invention. In the illustrated embodiment, the container lid 302 includes a circular bottom wall 308, a cylindrical sidewall 309 extending upwardly from the periphery of the bottom wall 308, and an annular flange wall 311 extending radially outward from the upper end of the sidewall 309.
And a substantially circular pull ring 328 is connected to the upper end of the inner surface of the side wall 309. The pair of bent portions 330 of the pull ring 328 are arranged at an angle of approximately 90 degrees on both sides in the circumferential direction from the circumferential center of the connecting portion 313 between the pull ring 328 and the side wall 309, and the pull ring 328 is arranged on one side of the bent portion 330. At the bent portion 330 to the connecting portion 3
13 is provided with an inclined portion 332 that gradually inclines upward as it moves away from the bent portion 330 to the opposite side in the diametrical direction, and on the other side of the bent portion 330, from the bent portion 330 to the connecting portion 313, from the bent portion 330. An inclined portion 334 is provided that gradually extends upward with increasing distance. The inclined portion 332 is inclined at approximately 20 degrees with respect to the horizontal, and the inclined portion 334 is inclined at approximately 20 degrees with respect to the horizontal.

The container lid 302 shown in FIG. 6 is used as a so-called inner stopper, and has a bottom wall 308 and a side wall 30.
9 is inserted into the mouth and neck of the container, and the flange wall 311 is brought into contact with the upper end of the mouth and neck. When the liquid contained in the container is discharged, the pull ring 328 is pulled with a finger and the container lid 302 is detached from the mouth and neck of the container, and the mouth and neck of the container is opened. The pull ring 328 is provided with a pair of bent portions 330, and on one side thereof (the opposite side of the connecting portion 313), there is an inclined portion 332 that gradually extends upward as the distance from the bent portion 330 increases. Pull ring 32 even if the diameter is relatively small
It is possible to easily hang a finger on the inclined portion 332. Then, when a finger is pulled on the pull ring 328 to pull it, in addition to the pull ring 328 itself being stretched, the bent portion 330 is linearly deformed, whereby the inner diameter of the pull ring 328 is increased, and thus Even if the inner diameter of the pull ring 328 is relatively small, a finger can be inserted into the pull ring 328 with sufficient ease.

[0025]

According to the synthetic resin container lid of the present invention, even when the pull ring has a considerably small diameter due to the small diameter of the container lid, the pull ring can be easily and surely put on the finger, and if necessary, the pull ring. You can insert your finger through it.

[Brief description of drawings]

FIG. 1 is a plan view showing a preferred embodiment of a synthetic resin container lid configured according to the present invention with a cap portion in an open state.

2 is a cross-sectional view taken along the line AA in FIG.

FIG. 3 is a partial perspective view showing a connecting column and a pull ring arranged on the container lid body of the container lid shown in FIG.

FIG. 4 is a partial perspective view showing an enlarged part of a modified example of the synthetic resin container lid configured according to the present invention.

FIG. 5 is a partial perspective view showing an enlarged part of another modified example of the synthetic resin container lid configured according to the present invention.

FIG. 6 is a perspective view showing still another modified example of the container lid configured according to the present invention.

[Explanation of symbols]

2: Container lid 8: Bottom wall 22: Breakable line 24: Cutout area 26: Connection pillar 28: Pull ring 30: bent part 32: inclined part 34: inclined part 108: Bottom wall 126: Connection pillar 127: Horizontal part 128: Pull ring 130: bent portion 132: inclined part 226: Connection pillar 227: lower part 228: Pull ring 229: upper part 302: Container lid 308: bottom wall 309: Side wall 311: Flange wall 313: connection part 328: Pull ring 330: bent portion 332: inclined portion 334: inclined part

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hiroshi Shizukuishi             2-12 Mayoroto, Hiratsuka City, Kanagawa Prefecture Japan Crow             Hiratsuka factory (72) Inventor Seiji Suzuki             2-12 Mayoroto, Hiratsuka City, Kanagawa Prefecture Japan Crow             Hiratsuka factory (72) Inventor Yoichi Tsujiguchi             2-12 Mayoroto, Hiratsuka City, Kanagawa Prefecture Japan Crow             Hiratsuka factory (72) Inventor K. Yamazaki             2-12 Mayoroto, Hiratsuka City, Kanagawa Prefecture Japan Crow             Hiratsuka factory F-term (reference) 3E084 AA12 BA02 CA01 CC04 CC05                       DB13 DC04 DC05 EA02 EB04                       EC04 EC05 FA03 FC08 GA06                       GB06 HA05 HB08 HD04 LA03                       LB02 LB07 LD01

Claims (11)

[Claims] 1. A synthetic resin container lid provided with a pull ring, wherein the pull ring is provided with a pair of bent portions, and at least one side of the bent portions is inclined upward as it moves away from the bent portions. A container lid made of synthetic resin, characterized in that an inclined portion extending in a vertical direction is provided. 2. A bottom wall having a cutout region defined by a rupturable line, and a connecting post extending upward from the cutout region, wherein the pull ring is connected to the cutout region through the connecting post. The synthetic resin container lid according to claim 1, wherein the breaking line is broken by pulling the pull ring, and the cutout region is cut out from the bottom wall to form a discharge opening. 3. The pair of bent portions of the pull ring are arranged at an angle of approximately 90 degrees on both sides in the circumferential direction from the circumferential center of the connecting column, and the pull ring is arranged on one side of the bent portion. The synthetic resin container lid according to claim 2, wherein the synthetic resin container lid extends from the bent portion to the diametrically opposite side of the connecting column with a gradual upward inclination as the distance from the bent portion increases. 4. The synthetic resin container lid according to claim 2, wherein the pull ring on the other side of the bent portion extends from the bent portion to the connecting column gradually inclined upward as the distance from the bent portion increases. 5. The pull ring extends substantially horizontally from the bent portion to the connecting column on the other side of the bent portion.
The synthetic resin container lid according to claim 2. 6. The two connecting columns are arranged adjacent to each other in the circumferential direction, and the pull ring extends from one of the connecting columns to the other of the connecting columns in a substantially circular shape in a plan view.
The synthetic resin container lid according to any one of claims 2 to 5. 7. The connecting column has a single lower portion and a bifurcated upper portion, and the pull ring is substantially in plan view from one of the bifurcated upper portions of the connecting column to the other. The synthetic resin container lid according to any one of claims 2 to 5, which extends in a circular shape. 8. A circular bottom wall, a cylindrical side wall extending upward from a peripheral edge of the bottom wall, and an annular flange wall extending radially outward from an upper end of the side wall, the pull ring including the side wall. The synthetic resin container lid according to claim 1, which is connected to an inner surface of the container. 9. The pair of bent portions of the pull ring are arranged at an angle of approximately 90 degrees on both sides in the circumferential direction from a circumferential center of a connecting portion between the pull ring and the side wall, and the pull ring is bent. 9. The synthetic resin container lid according to claim 8, wherein on one side of the portion, the synthetic resin container lid extends from the bent portion to the diametrically opposite side of the connecting portion with a gradual upward inclination as the distance from the bent portion increases. 10. The synthetic resin container lid according to claim 9, wherein, on the other side of the bent portion, the pull ring extends from the bent portion to the connecting portion so as to incline upward gradually with increasing distance from the bent portion. 11. The synthetic resin container lid according to claim 10, wherein the pull ring extends substantially horizontally from the bent portion to the connecting portion on the other side of the bent portion.