JP2006306459A - Cap with inner stopper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose a cap with an inner stopper which is equipped with a virgin seal blocking a delivery passage, in addition to a virgin seal enabling visual recognition of an unused state of a container from the outside at a glance, allows removal of each virgin seal by a simple operation to make the cap very handy, and facilitates unsealing of the delivery passage. <P>SOLUTION: The cap has the inner stopper 2 consisting of an inner cylinder 22 whose lower end is blocked with a blocking board 24 breakable to a press and which is fitted into the neck part of the container, and an outer cylinder 20 fitted on the outer periphery of the neck part. A sealing ring 3 is attached severably to the lower end of the outer cylinder 20 in such a way that the upper end of the ring 3 is connected to the lower end via an easily severable breaking part. A spout cap 4 is so fitted on the sealing ring 3 that the cap 4 slides down first and screws down later. When the spout cap 4 has been slid down, the delivery cylinder 44 presses and breaks the blocking board 24. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cap, and more particularly, to a cap with an inner plug that exhibits a virgin seal function in combination with the inner plug.

  There has been proposed a cap with an inner stopper that can be used to check whether the attached container body is unused (see, for example, Patent Document 1).

  The cap has a top-bottom pour-shaped pouring tube on the top plate, and has a strut to which a pulling ring is connected on the inside of the pouring tube, and a cutout portion around which a thin fragile wire is provided, A cap mounting cylinder having an engaging projection is set up on the outer side of the dispensing cylinder, and a knob for removal, a vertical thin wall weak line, and a bottle mouth neck at the lower peripheral edge of the cap mounting cylinder through a thin wall weak line. A gripping cylinder having a fitting projection to be fitted is suspended, and an inner plug having an inner ring provided on the lower surface of the top plate is provided. In addition, a cap is provided on the side wall that is fitted to the outer periphery of the cap mounting cylinder, and a cap is connected to the cap through a hinge so that the dispensing cylinder is covered with the lid so as to be opened and closed.

The cap can recognize the unused contents in the container attached due to the presence of the cutout part surrounded by the thin line of weakness, and pull the removal knob provided on the gripping cylinder of the inner plug outward. When the gripping cylinder is detached from the inner plug, it also has the convenience of handling that the inner plug can be easily removed and discarded.
Japanese Patent Laid-Open No. 08-058824

  In the present invention, in addition to the above-described virgin seal for closing the discharge path, a virgin seal that can be used to determine whether a container is unused at first glance is provided, and each virgin seal can be removed with a simple operation, which is convenient to handle. We propose a cap with a plug. Moreover, the cap with an inside plug which can open a discharge path reliably and easily at the time of opening is proposed.

  In order to solve the above-described problems, the cap with an inner plug of the present invention includes an inner plug 2, a sealing ring 3, a cap body 4, and a lid 5.

  The inner plug 2 can be formed of a synthetic resin or the like, and the outer cylinder 20 fitted to the upper outer periphery of the container body neck portion 12 and the inner cylinder 22 fitted to the inner periphery of the mouth neck portion 12 are connected by a flange 21 At the same time, the lower end portion of the inner cylinder 22 is closed with a closing plate 24 that can be pressed and broken, and is attached to the mouth-neck portion 12 so that it cannot be pulled out. The closing plate 24 may be configured to be capable of being pressed and broken by connecting the periphery to the inner cylinder 22 via a breakable portion that is easy to cut, and the discharge plate 44 is formed by forming the closing plate 24 thinly. You may comprise so that the press fracture | rupture by can be performed. The easy-cut rupture portion may be in the form of a thin portion, or may be in the form of perforations or the like in the connection portion, or in the form of being connected by a thin rod-like connecting piece. Also good.

  The sealing ring 3 is formed integrally with the inner plug 2 and the synthetic resin, and connects the upper end to the outer cylinder outer peripheral lower end of the inner plug 2 through an easily cutable breakage portion, and the mouth neck portion. The lower large outer diameter portion 12b is provided so that it can be cut and removed by hanging from the outer periphery. The easy-cut rupture portion may be in the form of a thin portion, or may be in the form of perforations or the like in the connection portion, or in the form of being connected by a thin rod-like connecting piece. Also good. Further, the sealing ring 3 may be a complete ring or may be an open ring having a part of the ring opening s, and in the case of a complete ring, an easily cut rupture portion is provided vertically. The sealing ring 3 is preferably provided with a knob 31 that is gripped when cutting and removing. The knob 31 is preferably provided in the vicinity of the ring-opening portion s or the vertically-breakable breakable portion.

  The cap body 4 and the lid body 5 are also made of synthetic resin, and the cap body 4 has a top tube shape with an open lower end. Further, the peripheral wall 40 is positioned so as to be able to be pushed down above the sealing ring so as to be detachable, and a second screw 42 that engages with the first screw 15 on the outer periphery of the large outer diameter portion is provided inside the peripheral wall 40. Further, a discharge cylinder 44 that is formed in the lower periphery and slides liquid-tightly on the inner periphery of the inner cylinder is suspended from the top plate 43. The lid 5 is provided with a stopper for liquid-tightly closing the discharge port a provided in the top plate 43 in the discharge cylinder 44 so that the cap body 4 can be opened and closed.

  The discharge cylinder 44 functions as a discharge path for discharging the contents stored in the container B after opening, and also serves to press and break the closing plate 24. The discharge cylinder 44 may be formed as a cutting blade 45 at its lower end. In that case, a configuration in which the lower end edge is inclined can be preferably employed. As a form of pressing breakage of the closing plate 24, a form in which the closing plate 24 is simply pressed and broken, a form in which the closing plate is provided via a thin broken part and a thin broken part is broken. A form in which cutting is performed with a cutting blade when a sharp cutting blade is provided at the lower end of the discharge cylinder 44, or a composite form of these.

  Further, in the present invention, after the sealing ring 3 is cut and removed, after the cap body 4 is pushed down to the screwing start position of the second screw 1 and the first screw 15, the discharge cylinder 44 presses and breaks the closing plate 24. It is configured as follows. Therefore, when the cap body 4 is initially mounted and slid down to bring the second screw 42 into contact with the first screw 15, the discharge cylinder 44 is positioned above the closing plate 24, and thereafter the discharge cylinder 44. Thus, the closing plate 24 is configured to be surely pressed and broken when the screw is lowered.

  As a first means of the present invention, the outer cylinder 20 fitted to the upper outer periphery of the container body neck portion 12 and the inner cylinder 22 fitted to the inner periphery of the mouth neck portion 12 are connected by a flange 21, and the inner cylinder 22 The lower end is closed with a pressure-breakable closing plate 24 and attached to the mouth-and-neck portion 12 so that it cannot be pulled out. The upper end is connected and the sealing ring 3 is provided so as to be able to be cut and removed by dropping on the outer periphery of the large outer diameter portion 12b at the lower part of the mouth and neck, and the peripheral wall 40 can be pushed down above the sealing ring to be detached. A second thread 42 that is engaged with the first thread 15 on the outer periphery of the large outer diameter portion is formed in the lower part of the inner periphery of the peripheral wall 40, and the inner periphery of the inner cylinder is liquidated from the top plate 43. A cap body 4 having a discharge cylinder 44 that slides tightly and a stopper that liquid-tightly closes the discharge port a provided on the top plate 43 in the discharge cylinder are provided. A cap body 5 that closes the cap body 4, and after the sealing ring 3 is cut and removed, after the cap body 4 is pushed down to the position where the second screw 15 and the first screw 15 are screwed together, the discharge cylinder 44 The lower end edge is configured to press and break the closing plate 24.

  As a second means, in the first means, the closing plate 24 is connected to the inner cylinder 22 through an easily cut breakable portion.

  As a third means, in either the first means or the second means, the lower end portion of the discharge cylinder 44 is formed as a cutting blade 45 whose lower end edge is inclined.

  The cap of the present invention has the convenience in handling that the clogging plate 24 of the discharge path can be removed and opened by a simple operation of lowering the cap body 4 after cutting and removing the sealing ring 3. Further, after removing the virgin seal, the main body and the lid 5 can provide an appearance as a normal cap with a lid. In addition, after the sealing ring 3 is cut and removed, the cap body 4 is slid down to the screwing start position, so that the opening operation can be quickly performed. Finally, the discharge cylinder 44 is screwed down and the closing plate 24 is pressed and broken. Therefore, the descent is strong, and the discharge path can be opened more reliably and easily.

  Further, when the periphery of the closing plate 24 is connected to the inner cylinder 22 via an easily cut breakable portion, the discharge passage can be opened more easily.

  Furthermore, when the lower end portion of the discharge cylinder 44 is formed on the cutting blade 45 whose lower end edge is inclined, it is possible to partially perforate the blocking plate 24 or the thin-walled rupture portion first by a sharp tip portion. Opening becomes easy.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  The drawing shows an example of a cap with an inner plug of the present invention. The cap A is fitted and fixed to a container body B, and includes an inner plug 2, a sealing ring 3, a cap body 4, and a lid body 5. And.

  The container body B is formed of a synthetic resin, and the neck portion 12 is erected on the upper end of the cylindrical body portion 10 via the shoulder portion 11, and the outer periphery of the upper portion of the mouth neck portion 12 is reduced in diameter. 12a, and the outer periphery of the lower part of the mouth / neck portion 12 is configured as a large outer diameter portion 12b. An annular recess 13 is provided at the lower end of the mouth / neck portion 12 below the large outer diameter portion 12b. A first locking ridge 14 is provided around the small outer diameter portion 12a, and a first screw 15 is provided around the large outer diameter portion 12b.

  The inner plug 2 has a flange 21 extending from the upper end edge of the outer cylinder 20 fitted to the small outer diameter portion 12a so as not to be pulled out, and extends downward from the inner peripheral edge of the flange 21. The provided inner cylinder 22 is fluid-tightly fitted to the inner periphery of the mouth-and-neck portion 12, and the inner cylinder 22 is connected to the lower end portion of the inner cylinder 22 by a closing plate 24 connected via a thin first breaking portion 23. The lower end opening is closed.

  The outer cylinder 20 is provided with a first engagement protrusion 25 which is engaged with the lower surface of the first locking protrusion 14 on the inner periphery to prevent the outer cylinder 20 from coming out upward. An engagement groove 26 is provided around the upper end of the outer periphery of the outer cylinder 20, and a lower end of the outer cylinder 20 is predetermined via an annular protrusion 27 that forms the engagement groove 26 below the engagement groove 26. A guide recess 28 is provided to reach the position. The guide recess 28 has a depth that allows a stable lowering when a second engagement protrusion described later is disengaged from the engagement groove 26, and a lower end edge of the guide recess 28 lowers the second engagement protrusion to a predetermined position. To play a role.

  The sealing ring 3 is formed integrally with the inner plug 2. As shown in FIG. 2, the sealing ring 3 is an open ring having a longitudinal groove-shaped ring-opening portion s as shown in FIG. The upper edge is connected to the outer periphery of the large outer diameter portion 12b so that it can be cut through the two fracture portions 30. Further, a knob 31 is provided in the vicinity of the ring-opening portion s.

  The cap body 4 is mounted so as to be able to descend above the sealing ring 3. The lower inner periphery of the peripheral wall 40 is a large inner diameter portion 40 a, and the upper inner periphery is a small inner diameter portion 40 b. A second engagement protrusion 41 that removably engages with the engagement groove 26 in the upper end portion is provided on the inner periphery of the lower end portion of the small inner diameter portion 40b, and the first screw is formed on the inner periphery of the large inner diameter portion 40a. A second thread 42 that is threadedly engaged with the thread 15 is provided. Accordingly, the second screw 42 is configured not to contact the outer tube 20 at the outer position of the outer tube 20 but to reach the large outer diameter portion 12b of the mouth-and-neck portion 12 and to be screwed with the first screw 15. Yes. A discharge cylinder 44 that slides liquid-tightly on the inner periphery of the inner cylinder 22 is suspended from the back surface of the top plate 43 that extends from the upper edge of the peripheral wall 40, and the discharge port a is formed in the top plate 43 in the discharge cylinder 44. Is open. The discharge cylinder 44 has a cylindrical shape, and a sliding protrusion 46 projecting from the outer periphery is fitted on the inner peripheral surface of the inner cylinder 22 so as to be liquid-tightly slidable. Yes. The cutting blade 45 has a shape in which the lower edge is inclined obliquely and sharply pointed. Further, when the cap body 4 is lowered to the screwing start position of the second screw 42 and the first screw 15, the length of the tip of the cutting blade 45 is lowered to the vicinity of the closing plate 24 or a position where it abuts. Is suspended.

  The lid 5 is provided on the cap body so as to be openable and closable, and its rear part is connected to the rear part of the cap body 4 via an elastic inversion hinge 50 so as to be rotatable. A plug 51 that is closely fitted and closed is suspended, and a finger hooking projection 52 is projected from the front.

  The case where the cap A configured as described above is used will be described. In the state of FIG. 1, the mouth and neck portion 12 is blocked, so that the stored liquid cannot be discharged. Moreover, it can be easily understood that the inside of the container body B is unused due to the presence of the sealing ring 3. In this state, when the grip piece 31 is grasped and pulled to cut the second breaking portion 30 and the sealing ring 3 is cut and removed, when the cap body 4 is pushed down, the second engagement protrusion 41 is released from the engagement groove 26. The inner peripheral surface is released and guided by the inner surface of the guide recess 28 and descends, and the second screw 42 of the peripheral wall 40 is lowered to a position where it comes into contact with the first screw 15 of the large outer diameter portion 12b. The contact of each first screw thread and second screw thread can be determined by the hand feeling or the like. At this time, the discharge cylinder 44 is also lowered, and the cutting blade 45 is brought into a contact state immediately above the first fracture portion 23 around the closing plate 24 as shown in FIG. Next, by rotating the cap body 4, the second screw 42 is screwed to the first screw 15 and the cap body 4 is screwed down. At the same time, the first breaking portion 23 is cut by the cutting blade 45 inside, and the closing plate 24 falls into the container body B, and the second engaging protrusion 41 is locked to the lower end of the guide recess 28 as shown in FIG. Thus, the lowering of the screwing is the end point. From this state, the lid 5 can be opened to discharge the stored liquid.

  In the above example, the case where the stored matter such as the liquid stored in the container B is discharged by opening the closing plate 24 has been described, but the inner cylinder 22, the closing plate 24, the top plate 43, and the discharge cylinder 44 are discharged. It is also possible to use a cap with an inner stopper that is used for a container for mixing two agents by storing a stored item different from the stored item in the container in the region partitioned by

It is a longitudinal cross-sectional view of this invention cap. Example 1 It is a principal part perspective view of the sealing ring in this invention cap. Example 1 It is a longitudinal cross-sectional view which shows the state in the middle of opening of this invention cap. Example 1 It is a longitudinal cross-sectional view which shows the state after opening of this invention cap. Example 1

Explanation of symbols

2 ... inner plug, 3 ... sealing ring, 4 ... cap body, 5 ... lid body, 12 ... mouth neck
12a ... small outer diameter part, 12b ... large outer diameter part, 15 ... first screw thread, 20 ... outer cylinder, 21 ... flange,
22 ... Inner cylinder, 24 ... Blocking plate, 40 ... Peripheral wall, 40a ... Large inner diameter part, 40b ... Small inner diameter part, 42 ... Second thread, 43 ... Top plate, 44 ... Discharge cylinder, 45 ... Cutting blade, a ... Discharge Outlet, B ... container body

Claims (3)

  The outer cylinder 20 fitted to the upper outer periphery of the container body neck 12 and the inner cylinder 22 fitted to the inner periphery of the mouth neck 12 are connected by a flange 21 and the lower end of the inner cylinder 22 can be pressed and broken. An inner plug 2 closed with a plate 24 and mounted so as not to come out of the mouth-neck portion 12 is connected to the lower end of the outer cylinder outer periphery via an easily cutable breakage portion, and the mouth A sealing ring 3 provided on the outer periphery of the large outer diameter portion 12b at the lower part of the neck so as to be cut and removed, and a peripheral wall 40 positioned so as to be able to be pushed down above the sealing ring and releasably locked. A second thread 42 that is screwed into the first thread 15 on the outer periphery of the diameter portion is formed at the lower inner periphery of the peripheral wall 40, and a discharge cylinder 44 that slides liquid-tightly on the inner periphery of the inner cylinder from the top plate 43. The cap body 4 that is suspended and a plug that liquid-tightly closes the discharge port a provided in the top plate 43 in the discharge cylinder are suspended to close the top of the cap body 4. A cap body 4, and after the cap ring 4 is pushed down to the screwing start position of the second screw 1 and the first screw 15 after cutting and removing the sealing ring 3, the lower end edge of the discharge cylinder 44 is the closing plate A cap with an inner plug, characterized in that 24 is configured to be pressed and broken.   The cap with an inner plug according to claim 1, wherein the closing plate (24) is connected to the inner cylinder (22) through an easily cut breakable portion.   The cap with an inner stopper according to claim 1 or 2, wherein a lower end portion of the discharge cylinder 44 is formed on a cutting blade 45 whose lower end edge is inclined.

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