JP2016222311A - Cap for separate disposal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge cap for separate disposal that comprises a fitting tube part having a breakable weakened line formed which continues from a vertically tearing line to a circumferentially tearing line for separate disposal, which can easily start cutting of the vertically tearing line and has an excellent appearance shape.SOLUTION: In an outer tube 8 of a fitting tube part 5, a clearance part 30, which has a breakable thin-wall weakened part 31 (a vertically tearing line T) on an outer peripheral surface thereof and penetrates through in a vertical direction, is provided, and a slit groove 41, connected with one end in a circumference direction of the clearance part 30, which has an opening at an upper side thereof is drilled over a circular-arc range with a predetermined circumference angle. At an inner periphery side of the outer tube 8 of a bottom face 43 of the slit groove is formed a thin-wall connected part 42 (a circumferentially tearing line R) which can be broken in a circumference direction.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a cap of a dispensing container, and in particular, a segregated disposal that allows a fitting base portion of a cap base to be fitted and attached to a mouth portion of a container main body to be broken after use and separated from the container main body for disposal. For caps.

  Conventionally, various structures have been proposed for separating and disposing of the fitting cylinder part attached to the mouth of the container as a separation disposal cap, and removing the container from the container for disposal. As a cap that can be ruptured, a longitudinal cut line and a slit groove drilled in the circumferential direction are formed in the outer cylinder of the fitting cylinder part, thereby continuing from the longitudinal tear line to the circumferential tear line. There has been proposed a separation and disposal hinge cap that can be easily removed from a container by forming a thinned weakened portion and breaking the thinned weakened portion (see, for example, Patent Document 1).

JP 2012-153429 A

However, in the sorting and disposal hinge cap described in Patent Document 1, the outer peripheral cut portion 30 that forms the vertical tear line is provided on the outer peripheral surface of the outer cylinder 12, so that the outer portion on the hinge C side is interposed via the hinge C. When the tube 12 is pulled outward, a tensile force is generated on the inner peripheral side of the upper thin portion 32 of the longitudinal tear line, but the pulling is performed even though the notch portion 30 is provided on the outer peripheral side. Power is hard to work.
For this reason, the outer peripheral cut portion 30 does not sufficiently perform the function as a stress concentration point, and the upper thin portion 32 extends and is difficult to cut.
Moreover, since the outer periphery cut | notch part 30 is exposed to the outer peripheral surface of the outer cylinder 12, there existed a problem that the appearance of an external appearance was bad.

  The present invention aims to solve the above-mentioned problem, and in a cap including a fitting cylinder portion formed with a weakening line that can be broken continuously from a longitudinal tear line to a circumferential tear line in order to dispose of separately, An object of the present invention is to provide a hinge cap for separating and discarding which can easily start cutting of a longitudinal tear line and has an excellent external shape.

  In order to solve the above-mentioned problem, the present invention includes a cap base that is fitted and attached to the mouth portion of the container main body and has a spout as a separation and disposal cap, and the cap base is a fitting groove that fits into the mouth portion. The outer cylinder is provided with a fitting cylinder portion having an outer cylinder and an inner cylinder that are vertically suspended, and a base wall that connects the outer cylinder and the inner cylinder at the upper portion of the fitting groove. A gap that penetrates in the vertical direction by forming a possible thinned portion is provided, and a slit groove that has an opening upward is provided over an arc range of a predetermined circumferential angle by connecting to one end in the circumferential direction of the gap. A configuration is adopted in which a thin-wall connecting portion that can be broken in the circumferential direction is formed on the inner peripheral surface side of the outer cylinder on the bottom surface of the slit groove.

  As an embodiment of the separation and disposal cap, on the outer peripheral side of the gap portion of the outer cylinder, a notched surface cut in a substantially wedge shape is provided in a plan view, and the thinned weakened portion has a wedge shape of the notched surface. A bulging ring that engages with the mouth of the container body protrudes from the inner peripheral surface of the outer cylinder below the slit groove bottom surface, The structure characterized by including a concave groove formed in the vertical direction on the inner peripheral surface of the outer cylinder below the bottom surface of the slit groove is adopted.

  As another embodiment of the separation and disposal cap, the drain hole penetrating vertically including at least a part of the slit groove bottom surface on the inner peripheral surface side is provided in at least one place in the circumferential direction. Further, the void portion shares at least a part of the space with one drain hole, and the upper end of the outer peripheral surface of the outer cylinder is notched along the thinned portion. A configuration characterized in that the starting end cut portion is provided, and a configuration characterized in that an upper lid for sealing the spout of the cap base is connected to the upper part of the outer cylinder via a hinge is adopted. .

In the separation and disposal cap of the present invention, the outer cylinder is provided with a gap portion penetrating in the vertical direction by forming a thinned weakened portion on the outer peripheral surface and connected to one end in the circumferential direction of the gap portion. A slit groove having an upper opening is formed over the circular arc range of the circumferential angle, and a thin connecting portion that can be broken in the circumferential direction is formed on the inner cylinder inner surface side of the bottom surface of the slit groove. In the part, the pulling force works efficiently on the inner peripheral side, and the cutting of the vertical tear line can be started easily without extending the thinned weakened part, and the circumferential tear line is formed in the gap Since the thin connection part which connects is connected, it can fracture | rupture smoothly and continuously from a longitudinal direction tear line to a circumferential direction tear line.
Further, since the gap is not exposed to the outside, a cap having an excellent appearance can be obtained.
Further, an embodiment in which a notch surface cut in a substantially wedge shape in a plan view is provided on the outer peripheral side of the gap portion of the outer cylinder, and the thinned weakened portion is formed in the vicinity of the wedge-shaped tip of the notch surface. Then, stress concentration occurs in the thinned portion and the cutting can be started with a smaller force.

It is a perspective view which shows the cover open state of the Example of the cap for sorting disposal. It is side surface sectional drawing which shows the cover-closed state after carrying out the stopper mounting | wearing of the container body for an Example separation disposal. It is a figure which shows the open state of the cap for an Example separation disposal, (a) is a top view, (b) is XX arrow sectional drawing of a figure (a). It is a bottom view which shows the cover open state of the cap for an Example separation disposal. (A) is the enlarged view of the principal part E of Fig.3 (a), (b) is FF arrow directional cross-sectional view of Fig. (A). FIG. 10 is an enlarged view of a modified example in which the configuration of the upper end opening of the gap portion of the example separation and disposal cap in a part corresponding to the main part E of FIG. It is an enlarged view which shows the cross section in the different circumferential position of the thin connection part 42 vicinity of an Example separation disposal cap, (a) is OX sectional view taken on the line in FIG. -Y line arrow sectional drawing, (c) is the same OZ line arrow sectional drawing. (A) is a side view showing the open state of the cap for separation and disposal of the embodiment, (b) is the open state of a modified embodiment in which the upper end shape of the vertical tear line of the cap for separation and disposal of the embodiment is partially changed. The side view to show, (c) is an enlarged view of the principal part G of FIG. (B). It is a top view which shows the process in which the cap for waste disposal of an Example is torn and fractured.

  Next, the separation and disposal cap of the present invention will be described with reference to the drawings showing examples.

1-8, A is a cap base | substrate, B is the upper cover connected with the cap base | substrate A via the hinge C, D is a container main body.
As shown in FIG. 2, a fitting ridge 2 is provided on the outer periphery of the mouth portion 1 of the container body D, and the lower portion of the fitting ridge 2 is continuous with the constricted portion 3.

As shown in FIGS. 1 to 4, the cap base A is a fitting cylinder portion 5 fitted and attached to the mouth portion 1, and a pouring that is connected to the inner peripheral side of the fitting cylinder portion 5 to form a spout. It consists of a cylindrical part 6.
The fitting cylinder part 5 is provided with an outer cylinder 8 connected to the upper lid B by a hinge C, and a fitting groove which is provided on the upper inner peripheral side of the outer cylinder 8 and engages with the fitting protrusion 2 of the mouth part 1. 12 is provided with a base wall 10 that forms the upper surface of 12 and an inner cylinder 9 that is continuous with the base wall 10 with a fitting groove 12 interposed between the outer cylinder 8 and the base wall 10.
At the upper part of the base wall 10, a lid locking part 15 that engages with the upper lid B is erected, and the lid locking part 15 has a locking projection 16 protruding outward at the upper part, and the upper end is a flat surface. Is formed.

The extraction cylinder part 6 is connected to the inner peripheral side of the inner cylinder 9 and includes an extraction cylinder 17 and a partition wall 18 connected to the inner periphery side of the extraction cylinder 17.
The partition wall 18 is provided with a breakable weakening portion 22 that forms an opening for pouring the contents inside the container. The removal portion 21 defined by the weakening portion 22 has a pull ring that pulls up the removal portion 21. 23 is erected.
The pull ring 23 is connected on the hinge C side by the removal portion 21 and the support column 24, and on the opposite side of the hinge C, a grip portion having a thin finger contact piece 25 provided at the lower portion is formed.

As shown in FIGS. 2, 3 (b), and 7, the inner peripheral surface of the outer cylinder 8 facing the fitting groove 12 is fitted to the constricted portion 3 and is engaged with the lower portion of the fitting protrusion 2. A bulging ring 26 is formed.
When the mouth portion 1 is fitted in the fitting groove 12, the inner peripheral surface of the outer tube 8 is predetermined with respect to the outer peripheral surface of the mouth portion 1 so as to be sandwiched between the outer tube 8 and the inner tube 9. It is formed with a slightly smaller diameter so as to have a margin of tightening.
When the cap base A is fitted to the mouth portion 1, the outer cylinder 8 is tightly fitted to the mouth portion 1 due to the tightening allowance. The mouth portion 1 is formed by the outer peripheral surface of the inner tube 9 and the inner peripheral surface of the outer tube 8. The bulging ring 26 is securely engaged with the fitting protrusion 2 while being strongly clamped and sealed.

As shown in FIG. 3A and FIG. 5, a gap portion 30 penetrating in the vertical direction is provided in the vicinity of the hinge C of the outer cylinder 8, and the outer peripheral side of the gap portion 30 has a substantially wedge shape in plan view. A cut-out surface 36 is provided.
The wedge-shaped tip portion 35 of the notch surface 36 forms a thinned weakened portion 31 on the outer peripheral surface of the outer cylinder 8, and the thinned weakened portion 31 is formed on the outer peripheral surface of the outer cylinder 8 as shown in FIG. 7. A vertical tear line T that can be cut in the vertical direction is formed.

As shown in FIGS. 3 and 5A, the upper portion of the outer cylinder 8 is connected to the circumferential end surface 32 on the hinge C side of the gap portion 30 and has an opening upward over an arc range of a predetermined circumferential angle. A slit groove 41 is formed.
On the inner peripheral side of the bottom surface 43 of the slit groove 41, a circumferential tear line R is formed that includes a breakable thin connecting portion 42 that connects the outer cylinder 8 and the base wall 10.

The thin connecting portion 42 is within a certain range [the arc range from the OW line to the OY line in FIG. 3A] from the tear start point 34 connected to the circumferential end surface 32 on the hinge C side of the gap 30. As shown in FIG. 7 (b), it is a weakened thin-walled connecting portion 42a having an extremely thin wall or a cut, and the predetermined range in which the wall thickness changes from the end (on the O-Y line) of the weakened thin-walled connecting portion 42a. As shown in FIG. 7 (a), the transitional thin-walled connecting portion 42b becomes a steady thin-walled connecting portion 42c that is thicker than the weakened thin-walled connecting portion 42a and can be broken, and these weakened thin-walled connecting portions 42a. The circumferential tear line R is formed by the transition thin-wall connecting portion 42b and the steady thin-wall connecting portion 42c.
In the case of the present embodiment, since the tear start point 34 is connected to the gap portion 30, there is no great difficulty in starting breakage without the weakened thinned connection portion 42 a and the transition thinned connection portion 42 b, so the steady thinned connection portion The circumferential tear line R may be formed only by 42c.

There is no slit groove 41 between the end face 44 of the slit groove 41 on the side opposite to the gap 30 and the circumferential end face 33 on the opposite side of the hinge C of the gap 30, and the outer cylinder 8 is the base wall 10. The end connecting portion 45 is firmly connected to the end connecting portion 45.
Further, as shown in FIG. 7C, the bottom surface 43 of the slit groove 41 is provided with water drain holes 47 penetrating downward at three locations in the circumferential direction including the gap portion 30. The lower portion communicates with a groove 48 that is recessed in the longitudinal direction on the inner peripheral surface including the bulging portion 26 of the outer cylinder 8, and opens at the lower end of the outer cylinder 8.

As shown in FIG. 5, the gap portion 30 is continuous with a longitudinal (axial) groove 39 formed on the inner peripheral surface of the outer cylinder 8 including the bulging ring 26 below the slit groove bottom surface 43. , Forming an integral space.
Further, in the cap of the present embodiment, since the bulging ring 26 expands at the time of stoppering, a large tensile force is generated in the circumferential direction at the lower portion of the outer peripheral surface of the outer cylinder 8, so that the thinned weakened portion 31 has a slit groove The thickness below the bottom surface 43 of 41 is formed thicker than the thickness above, and the step part 37 is formed.

As shown in FIG. 6, a thin bridge plate 40 may be provided in a part of the upper end opening of the gap 30.
The bridge plate 40 connects the outer peripheral side of the outer cylinder 8 and the base wall 10 on the side opposite to the hinge C from the wedge-shaped distal end portion 35, and when the cutting of the vertical tear line T is started, the outer cylinder 8 Plays the role of preventing deformation.
The place where the bridge plate 40 is provided may be a part of the upper end opening opposite to the hinge C from the wedge-shaped tip portion 35, and may be a part thereof. The bridge plate 40 is not necessarily required.

In the present embodiment, the gap portion 30 is formed integrally with the drain hole 47 and the groove portion 48 at one location, and is formed on the inner peripheral surface of the outer cylinder 8 below the bottom surface 43 of the slit groove 41. Serves as the groove 48 and forms a space integral with the lower portion of the gap 30.
The present invention is not limited to this, and the gap 30 may be provided separately from the drain hole 47.
Further, the stepped portion 37 is not always necessary.
Further, the outer cylinder 8 facing the outer peripheral side of the gap portion 30 of the present embodiment is provided with a substantially wedge-shaped notch surface 36 in plan view, but is not limited to the wedge shape in this way, The notch surface 36 can be used, and it is not always necessary to have a notch shape.

As shown in FIG. 8B as a modified embodiment, the upper end of the outer peripheral surface of the outer cylinder 8 adjacent to the gap portion 30 is provided with a start end cut portion 38 cut out along the vertical tear line T. May be.
The start notch 38 has a vertical line wall 38a cut by a slight height from the upper end in the thinned weakened portion 31 forming the vertical tear line T, and a hinge C inclined from the lower end of the vertical line wall 38a. The outer cylinder 8 on the side of the outer cylinder 8 has an inclined wall 38b reaching the upper end of the outer peripheral surface. When the outer peripheral surface of the outer cylinder 8 on the hinge C side is pulled, stress is concentrated due to the notch shape of the lower end of the vertical line wall 38a. , Can start cutting with less force.
Note that the hinge C side of the start end cut portion 38 is not necessarily the inclined wall 38b as in the present embodiment, and may be a square start end cut portion 38 or the like simply cut into a groove shape, or the lower end of the vertical line wall 38a. Any shape can be used as long as stress is concentrated on the part and it is easy to cut.

As shown in FIGS. 1 to 4, the upper lid B is suspended from the top wall 50, the side peripheral wall 51 that is suspended from the outer edge of the top wall 50, and the back surface of the top wall 50, and the lower end outer periphery when the lid is closed. Includes a sealing cylinder 52 that fits tightly with the inner periphery of the extraction cylinder 17 of the cap base A.
On the back surface of the top wall 50, an annular groove is provided on the inner peripheral side of the sealing cylinder 52, and an internal pressure absorbing thin portion 53 is formed.

A hinge C is continuously provided at a predetermined position on the outer peripheral lower portion of the side peripheral wall 51, and the inner peripheral lower portion of the side peripheral wall 51 is engaged with the locking protrusion 16 of the cap base A when the cover is closed, and the closed state is maintained. An annular engagement portion 54 is provided so as to project.
An engagement upper surface 56 that abuts the upper flat surface portion of the lid locking portion 15 at the time of stoppering is provided on the locking recess 55 at the upper portion of the annular engagement portion 54.
A knob 58 protrudes from the outer periphery of the side peripheral wall 51 opposite to the hinge C.

In the side peripheral wall 51 above the knob 58, a hollow recess 59 is formed over a predetermined arc range, which is deformed when the lid is opened, and the engagement between the locking protrusion 16 and the annular engagement portion 54 is easily released. Yes.
In this embodiment, the separation disposal cap is a hinge cap. However, the upper lid is not necessarily a hinge cap connected to the cap base by a hinge, and the upper lid is separate from the cap base and is made of screws, snaps, etc. The thing provided with the connection part may be sufficient.

Next, usage modes and operational effects of this embodiment will be described.
After the container main body D is filled with the contents, the separation disposal cap of the present embodiment applies the fitting cylinder portion 5 to the mouth portion 1 in the closed state shown in FIG.
When a pressing force is applied from above the upper lid B by the stopper, the mouth portion 1 is fitted into the fitting groove 12, and the bulging ring 26 gets over the fitting protrusion 2 and is fitted into the constricted portion 3, for separation. A disposal cap is attached to the container body D (see FIG. 2).

In the separation disposal cap of the present embodiment, the gap portion 30 that forms the vertical tear line T is formed inward from the outer peripheral surface of the outer cylinder 8, so that the gap portion 30 is exposed to the outside in the closed state. And the appearance is not impaired.
Also, after filling the contents with high temperature and the cap for separating and discarding, even when washing and cooling with shower water from outside the container, the gap 30 is not exposed, so the shower water is in the cap. Intrusion can be prevented.

In rare cases, even if shower water enters the gap portion 30, the gap portion 30 is formed integrally with the drain hole 47, so that water quickly flows out from the lower end of the cap. Further, even if it may flow into the slit groove 41, the bottom surface 43 of the slit groove 41 is provided with water drain holes 47 at the other two locations. 47 does not flow out from the lower end of the cap through the groove 48 and remain in the slit groove 41.
In addition, even if the internal pressure of the cap increases due to the high-temperature filling, the top wall 50 is deformed so as to swell by the internal pressure absorbing thin wall portion 53, and the increase in the internal pressure of the cap is suppressed. Can be prevented.

In order to use the container equipped with the separation disposal cap according to the present invention, the finger is put on the knob 58 and the upper lid B is pulled up to open the lid, the pull ring 23 is pulled up to break the weakened portion 22 and removed from the partition wall 18. The portion 21 is cut out to open the spout.
At this time, the pull ring 23 is formed with a gripping portion provided with a finger contact piece 25 on the lower side on the opposite side of the hinge C, so that the fingertip does not hurt when opened.

After using a container, the aspect which cuts | disconnects the longitudinal direction tear line T and the circumferential direction tear line R of the separation disposal cap of a present Example, and carries out classification disposal is demonstrated.
First, when the cap of the present embodiment is opened, the upper lid B is gripped and pulled outward, the outer peripheral surface connected to the hinge C of the outer cylinder 8 is pulled outward, and the outer peripheral side of the gap 30 is moved to the outer peripheral side. A strong pulling force acts on the formed notch surface 36.
As a result, stress concentration occurs in the thinned weakened portion 31 located at the wedge-shaped distal end portion 35, and cutting of the longitudinal tear line T can be easily started.
At this time, in the modified embodiment shown in FIG. 6 in which the bridge plate 40 is provided at the upper end opening of the gap 30, the outer peripheral surface of the outer cylinder 8 on the opposite side of the hinge C from the wedge-shaped tip 35 is formed. While the outward deformation is suppressed, the outer peripheral surface of the outer cylinder 8 on the hinge C side from the distal end portion 35 tends to be pulled and deformed, so that the stress concentration at the upper end of the thinned weakened portion 31 can be increased.

Further, as shown in FIG. 8 (b), in the cap of the modified example in which the start end cut portion 38 is provided along the longitudinal tear line T at the upper end of the outer peripheral surface of the outer cylinder 8, the longitudinal tear line T Since the cutting start can be further facilitated, even a weak child or the elderly can easily cut.
When the breaking of the vertical tear line T progresses and the upper part of the outer peripheral surface of the outer cylinder 8 begins to deform outward due to the outward pulling force, the tearing starts to be connected to the hinge C side circumferential end surface 32 of the gap 30. From the point 34, the weakened thin-walled connecting portion 42a that forms the circumferential tear line R starts to break.

Since the weakened thin-walled connecting portion 42a is formed to be extremely thin or easily cut and cut, even if the circumferential tear line R breaks in addition to the longitudinal tear line T, it can be cut smoothly. I can go.
Further, although the portion below the step portion 37 of the thinned weakened portion 31 is slightly thicker, inertia can be added to the force of tearing from above, and it can be easily cut to the lower end of the outer cylinder 8, The direction tear line T is completely broken.

When the breakage of the vertical tear line T is completed, the breakage of the thin coupling portion 42 forming the circumferential tear line R proceeds and the upper lid B moves away from the cap base A (see FIG. 9).
At this time, since the concave portion 39 that also serves as the groove portion 48 is integrally provided in the inner circumferential surface of the outer cylinder 8 including the bulging ring 26, the outer cylinder 8 and the base wall 10 are formed together with the bulging ring 26. It will be separated from.
Then, the breakage easily proceeds from the tear starting point 34 to the end of the weakened thin-walled connecting portion 42a, the upper lid B is greatly separated from the cap base A, and further, the steady thin-walled connecting while increasing the tearing force at the transition thin-walled connecting portion 42b. The part 42c is reached, and thereafter the breakage proceeds with a constant tearing force.

When the cutting to the end surface 44 of the slit groove 41 is completed and the upper lid B is further pulled, the bulging ring 26 has already been released from the engagement with the mouth portion 1, and thus is firmly connected to the base wall 10. When the terminal connection portion 45 is pulled outward, the cap is easily separated from the mouth portion 1 and can be separated and discarded.
In addition, the concave groove 39 including the bulging ring 26 is not formed in the gap portion 30, and it is largely separated even when the engagement state of the bulging ring 26 is maintained even if the circumferential tear line R is cut. By pulling the upper lid B upward, the outer cylinder 8 can be lifted from the lower part and peeled off from the mouth 1, but a concave groove is formed in the bulging ring 26 integrally with the gap 30 as in this embodiment. If it forms, since the engagement state of the bulging ring 26 can be cancelled | released with the cutting | disconnection of the circumferential direction tear line R, a cap can be isolate | separated easily.

  The cap for separation and disposal of the present invention can easily start cutting the fitting tube portion engaged with the mouth portion of the container body, and is clean and excellent in appearance. It can be suitably used as a cap for seasonings and the like.

A Cap base B Upper lid C Hinge D Container body T Longitudinal tear line R Circumferential tear line O Center 1 Mouth part 2 Fitting ridge 3 Neck part 5 Fitting cylinder part 6 Outlet cylinder part 8 Outer cylinder 9 Inner cylinder 10 Base wall 12 Fitting groove 15 Lid locking part 16 Locking protrusion 17 Extraction cylinder 18 Bulkhead 21 Removal part 22 Weaking part 23 Pull ring 24 Strut 25 Finger resting piece 26 Swelling ring 30 Cavity part 31 Thinned weakening part (vertical direction) Tear line)
32, 33 Circumferential end surface 34 Tear start point 35 Tip portion 36 Notch surface 37 Step portion 38 Start end cut portion 38a Vertical line wall 38b Inclined wall 39 Concave groove 40 Bridge plate 41 Slit groove 42 Thin connection portion (circumferential tear line)
42a Weakened thin-walled connecting portion 42b Transition thin-walled connecting portion 42c Steady thin-walled connecting portion 43 Bottom surface 44 Terminating surface 45 Terminating connecting portion 47 Drain hole 48 Groove 50 Top wall 51 Side peripheral wall 52 Sealed cylinder 53 Internal pressure absorbing thin-walled portion 54 Annular engaging portion 55 Locking groove 56 Top surface 58 Knob 59 Recessed portion

Claims (7)

A cap base body fitted and attached to the mouth of the container body and having a spout;
The cap base has a fitting cylinder having an outer cylinder and an inner cylinder that are suspended from a fitting groove that fits into the mouth, and a base wall that connects the outer cylinder and the inner cylinder at the upper part of the fitting groove. Has a part,
The outer cylinder is provided with a gap that penetrates in the vertical direction by forming a thinned weakened portion on the outer peripheral surface and is connected to one end in the circumferential direction of the gap and extends upward over an arc range of a predetermined circumferential angle. A slit groove having an opening is drilled,
A separation waste cap, characterized in that a thin connecting portion that can be broken in the circumferential direction is formed on the inner peripheral surface side of the outer surface of the slit groove.   On the outer peripheral side of the cavity of the outer cylinder, a notch surface cut in a substantially wedge shape is provided in plan view, and the thinned portion is formed near the wedge-shaped tip of the notch surface. The cap for separation disposal according to claim 1. On the inner peripheral surface of the outer cylinder below the bottom surface of the slit groove, a bulging ring that engages with the mouth portion of the container body is projected,
The separation waste cap according to claim 1 or 2, wherein the gap portion includes a concave groove formed in a vertical direction on an inner peripheral surface of the outer cylinder below the bottom surface of the slit groove.   The drain hole which penetrates up and down including at least a part of the inner peripheral surface side of the outer surface of the slit groove bottom surface is provided in at least one place in the circumferential direction. Cap for waste disposal as described in 1.   The separation waste cap according to claim 4, wherein the gap portion shares at least a part of the space with one drain hole.   The separation waste cap according to any one of claims 1 to 5, wherein a start-end cut portion cut out along the thinned weakened portion is provided at an upper end of the outer peripheral surface of the outer cylinder.   The separation waste cap according to any one of claims 1 to 6, wherein an upper lid for sealing the spout of the cap base is connected to the upper portion of the outer cylinder via a hinge.

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