JP2018016381A - Hinge cap with tamper-proof mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge cap with a tamper-proof mechanism which improves strength of a sealing member to prevent removal of the sealing member during distribution of a container.SOLUTION: In a hinge cap with a tamper-proof mechanism, a cap body B and an upper lid D are connected through a hinge C. The hinge cap includes: the cap body B having an attachment part 3 attached to a container A, and an outlet cylinder 4 erected from the attachment part 3; an upper lid D having a top wall 20, a side peripheral wall 21 suspend from a rim of the top wall 20, and a finger hook protruding part 25 provided at an outer periphery of the side peripheral wall 21; and a sealing member E having a fitting part E1 which is fitted in an upper surface of the attachment part 3 of the cap body B, and a sealing plate E2 which is connected with the fitting part E1 through a breakable connection piece 29 and engaged with the finger hook protruding part 25 of the upper lid D. The sealing member E is made of a material having rigidity higher than a material of the cap body B.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a hinge cap in which a cap main body and an upper lid are connected to each other via a hinge, and particularly includes a sealing member that is attached to the cap main body as a separate member and engages with the upper lid to prevent unauthorized opening. The present invention relates to a hinge cap with an unauthorized opening prevention mechanism.

  Improving the reliability of the contents so that the contents are not illegally removed or refilled in various containers with a hinge cap attached to the mouth tube part of the container containing contents such as food and drink In order to achieve this, there has been conventionally proposed a hinge cap with a tamper-evident prevention mechanism that can identify opening of the hinge cap at a glance (see, for example, Patent Document 1).

The hinge cap described in Patent Document 1 is provided with a locking projection 5 on the upper surface of the tip of the pressing piece 4 protruding forward in a tongue-like shape from the lid 2 and is thin on the upper edge of the arc-shaped outer peripheral surface of the cap body 1. By providing an engagement piece 7 (sealing member) having an engagement protrusion 8 for engaging the engagement protrusion 5 via the portion 6, the thin portion 6 is broken to open the engagement piece 7 when opening. It is removed from the cap body 1.
However, since the hinge cap described in Patent Document 1 is integrally formed of synthetic resin, the color of each part is the same, and the presence of the engagement piece 7 is difficult to understand.

  For this reason, the sealing band to be removed (sealing member) and the cover and cap body exposed on the surface can be easily and inexpensively color-coded to characterize the presence of the sealing band in an unopened state. A sealed hinge cap capable of forming the inner and outer layers of the cap body with a material suitable for the characteristics has been conventionally known (see, for example, Patent Document 2).

Utility Model Registration No. 2538371 JP 2006-232359 A

  However, the hinge cap described in Patent Document 2 is composed of two members, a first member A made of a relatively soft and adhesive material and a second member B made of a relatively rigid material. Is connecting the inner peripheral lower end portion of the sealing band 12 to the outer peripheral lower end portion of the first main body forming portion 10a forming the inner cylinder of the cap main body 10 via the easily cuttable cutting portion 15. On the other hand, the second member B is formed by integrally connecting the lid 11 on the second main body forming portion 10b that is fitted to the outer surface of the first main body forming portion 10a to form the outer layer of the cap main body 10. Since the sealing band 12 made of a relatively soft and adhesive material is insufficient in rigidity, it is easily deformed, and the finger-hanging protrusion of the lid 11 from the through hole 13 of the sealing band 12 There was a problem that 14 was easily removed.

  An object of the present invention is to solve the above-mentioned problems, to increase the strength of the sealing member, and to provide a hinge cap with a tamper-evident prevention mechanism that prevents the sealing member from coming off during distribution of the container.

  In order to solve the above problems, the present invention provides a hinge cap in which a cap main body and an upper lid are connected via a hinge as a hinge cap with an unauthorized opening prevention mechanism, and a mounting portion mounted on a container; An upper lid having a cap body having a pouring tube erected from the mounting portion, a top wall, a side peripheral wall suspended from the periphery of the top wall, and a finger-hanging projection provided on the outer periphery of the side peripheral wall; A sealing member having a fitting portion fitted to the upper surface of the mounting portion of the cap body, and a sealing plate connected to the fitting portion via a breakable connecting piece and engaging a finger hooking protrusion of the upper lid. The sealing member is made of a material having a higher rigidity than the material of the cap body.

As an embodiment of a sealing member of a hinge cap with a tamper-evident prevention mechanism, the fitting portion of the sealing member includes a ring-like bent fitting body that is elastically deformable in the radial direction, and the mounting portion is a bent fitting body on the upper surface. The structure characterized by providing the upper wall which formed the insertion concave line which fits.
Further, as a specific embodiment of the fitting portion of the sealing member, the upper lid includes an engagement recess formed at the inner peripheral lower end portion of the side peripheral wall, and the bent fitting body of the fitting portion is an engagement of the upper lid. Adopting a configuration characterized by including a lid engaging portion that engages with the concave portion, and the bent fitting body of the fitting portion includes a window portion that is thinned over a range corresponding to the finger-hanging projection of the upper lid. The structure characterized by having is adopted.

  As a specific embodiment of the mounting portion of the hinge cap with a tamper-evident prevention mechanism, the mounting portion is suspended from an upper wall formed with a fitting recess for fitting a sealing member on the upper surface, and an inner peripheral edge of the upper wall. It has an inner cylinder and an outer cylinder suspended from the outer peripheral edge of the upper wall, and the outer cylinder has a non-breakable connecting piece provided on the opposite side of the hinge and a plurality of breakable pieces arranged at intervals. The structure characterized by providing the outer peripheral cylinder part connected through the weakening piece is employ | adopted.

  The hinge cap with a tamper-evident prevention mechanism of the present invention can increase the strength of the sealing member by fitting the sealing member to the cap body, and the sealing member is made of a material having rigidity higher than that of the cap body. Thus, it is possible to prevent the sealing member from being inadvertently detached during distribution of the container.

In addition, the cap engaging portion of the cap body that engages with the engaging recess of the upper lid is provided on the ring-shaped bent fitting that can be elastically deformed in the radial direction, so that the upper lid and the cap body can be closed. Sealability can be improved.
Furthermore, the bent fitting body of the fitting portion is provided with a window portion that is thinned over a range corresponding to the finger hooking projection of the upper lid, so that the lid engaging portion is located on the inner side when the upper lid is opened. By deforming, it can be opened with less force.

It is a figure which shows the state which plugged the hinge cap of the Example into the container, (a) is side sectional drawing, (b) is a front view. It is a figure which shows the state at the time of shaping | molding of a hinge cap, (a) is a top view, (b) is side sectional drawing. It is a figure which shows a sealing member, (a) is a top view, (b) is side sectional drawing. It is explanatory drawing which shows the state which sets a sealing member to a hinge cap, (a) is a top view, (b) is side sectional drawing. It is a figure which shows a hinge cap, (a) is a principal part enlarged view of FIG.2 (b), (b) is side surface sectional drawing after removing a sealing board. It is another explanatory view which shows the state which sets a sealing member to a hinge cap, (a) is a top view, (b) is side sectional drawing.

  Next, embodiments of the hinge cap of the present invention will be described with reference to the drawings shown in the following examples.

In FIG. 1, A is a container filled with contents, B is a cap body attached to the container A, D is an upper lid connected to the cap body B via a hinge C, and E is attached to the cap body B. This is a sealed member.
The container A has a mouth tube portion 1 at an upper portion, and a fitting protrusion 2 is provided on the outer peripheral surface of the mouth tube portion 1.

The hinge cap in which the cap main body B and the upper lid D are connected via the hinge C of the present embodiment is integrally formed with a relatively soft and adhesive polyethylene resin or the like.
As shown in FIGS. 1 and 2, the cap body B includes a mounting portion 3 that is mounted on the mouth tube portion 1 of the container A, and a dispensing tube 4 that is erected from the inner edge of the mounting portion 3 so as to extend from the inner edge. The mounting portion 3 includes an annular upper wall 6 having a fitting recess 5 for fitting the sealing member E on the upper surface, an inner cylinder 7 suspended from the inner periphery of the upper wall 6, and an outer wall of the upper wall 6. And an outer cylinder 8 provided vertically from the periphery.

  As shown in FIG. 5A, the fitting recess 5 is formed in a step shape from the inner peripheral wall 5a, the inner bottom wall 5b, the outer peripheral wall 5c, and the outer bottom wall 5d when viewed from the side. In order to prevent the fitted sealing member E from being lifted upward at the upper part of the inner peripheral wall 5a, a retaining protrusion 5e is provided.

  An engaging protrusion 9 is provided at the inner peripheral lower end portion of the outer cylinder 8, and the mounting portion 3 is fitted into the mouth tube portion 1 of the container A by plugging, and the upper wall 6 and the inner tube 7 is sandwiched between the outer periphery of the outer cylinder 7 and the inner periphery of the outer cylinder 8, and the fitting protrusion 2 of the outer cylinder part 1 and the engagement protrusion 9 of the outer cylinder 8 are engaged with each other. B is attached to the mouth tube portion 1 of the container A.

As shown in FIG. 2, the outer peripheral lower end portion of the outer cylinder 8 includes a non-breakable connecting piece 10 provided on the side opposite to the hinge C and a plurality of breakable weakening pieces 11 arranged at intervals. The outer peripheral cylinder part 12 is provided continuously, and a slit 13 is formed between the outer cylinder 8 and the outer peripheral cylinder part 12.
A cutout portion 14 is formed at the upper end portion of the outer peripheral cylindrical portion 12 on the side opposite to the hinge C so as to pass a sealing plate E2 (described later) of the sealing member E.

The upper end portion of the inner edge of the upper wall 6 is connected to the outer periphery of the extraction tube 4, and a partition wall 15 for sealing the mouth tube portion 1 of the container A is provided at the lower end of the inner periphery of the extraction tube 4. 15 is provided with a removal portion 17 defined by a breakable weakening groove 16 to open the spout during use.
A pull ring 18 is continuously provided on the upper surface of the removal portion 17 via a support column erected on the end portion on the hinge C side.

As shown in FIGS. 1 and 2, the upper lid D is attached to the upper end portion of the outer peripheral cylindrical portion 12 of the cap body B by a hinge C at a predetermined position, and from the flat top wall 20 and the peripheral edge of the top wall 20. A side peripheral wall 21 is provided.
On the back surface of the top wall 20, a sealing ring 22 is provided so that its outer periphery closely fits with the inner periphery of the extraction cylinder 4 of the cap body B when the lid is closed.

The inner peripheral lower end portion of the side peripheral wall 21 is provided with a joint surface 23 that engages with a fitting portion E1 (described later) fitted to the fitting recess 5 of the cap body B, and an engagement protrusion provided below. A joint recess 24 is provided.
A finger hooking protrusion 25 extending in a circular arc shape within a certain range is disposed on the outer peripheral lower end portion of the side peripheral wall 21 on the opposite side to the hinge C. 26 is erected.

In the present embodiment, the sealing member E is made of polypropylene resin having higher rigidity than polyethylene resin or the like, which is a material of a hinge cap in which a cap body B and an upper lid D are connected via a hinge C.
As shown in FIG. 3, the sealing member E is a circle that is connected in a plan view via a ring-shaped fitting portion E1 and a plurality of connecting pieces 29 that can be broken at the outer peripheral lower end of the fitting portion E1. And an arc-shaped sealing plate E2.

The fitting portion E1 includes a ring-like bent fitting body 30 that can be elastically deformed in the radial direction R shown in FIG. 3A, and the bent fitting body 30 is formed as shown in FIG. 3B. The inner cylinder 31, the annular connecting plate 32 extending outward from the lower portion of the inner tube 31, the inclined tube 33 extending obliquely upward from the outer edge of the connecting plate 32, and the inclined tube 33. The outer cylinder 34 hangs down from the upper end.
As can be seen from FIG. 3B, the longitudinal section of the bent fitting 30 is substantially Z-shaped in the horizontal direction, so that the bent fitting 30 is easily elastically deformed in the radial direction R. The bending fitting body 30 is improved in formability by being cut into a substantially Z-shape in the lateral direction.

  When the fitting portion E1 is fitted into the fitting recess 5 of the cap main body B, the inner circumference of the inner cylinder 31 is brought into contact with the inner circumferential wall 5a, and the lower surface of the connecting plate 32 is placed on the inner bottom wall 5b. , The lower inner peripheral portion of the outer cylinder 34 is in contact with the outer peripheral wall 5c, the lower leg portion 36 is in contact with the outer bottom wall 5d, and the pressing portion 35 is in contact with the retaining protrusion 5e. .

In addition, a lid engaging portion 37 that engages with the joint surface 23 of the upper lid D and the engaging recess 24 when the lid is closed is formed on the outer cylinder 34 of the bent fitting 30.
Further, the bent fitting 30 has a window portion 38 in which the continuous plate 32 and the inclined cylinder 33 are cut out over a range facing the sealing plate E2, that is, a range corresponding to the finger hooking projection 25 of the upper lid D. Is formed.

The sealing plate E <b> 2 is connected to the connecting piece 29 in a plan view, and has an arcuate bottom plate 40, an outer peripheral portion 41 that is erected from the bottom plate 40 and is formed along the outer peripheral edge of the finger hanging protrusion 25, and the outer peripheral portion 41. The upper plate 42 extends inwardly from the upper end of the inner periphery of the finger and has a width substantially equal to the locking piece 26 of the finger-hanging projection 25. The upper plate 42 covers the locking piece 26. The engaging portion 43 is provided to engage with the inner side of the engaging piece 26, and the knob 44 extends from the outer peripheral portion 41 in the circumferential direction.
In this embodiment, the sealing plate E2 is formed so as to completely cover the locking piece 26 of the finger-hanging projection 25, but the sealing plate E2 covers at least a part of the locking piece 26. It is sufficient if it is formed in the form.
Moreover, the notch part 14 formed in the outer peripheral cylinder part 12 of the cap main body B has a formation range corresponding to the width of the bottom plate 40 of the sealing plate E2.

Next, usage modes and operational effects of the embodiment will be described.
As shown in FIG. 2, the hinge cap of the present embodiment is integrally formed with the cover fully opened.

When the sealing member E is set on the cap body B in the opened state, the bent fitting body 30 of the fitting portion E1 is moved from the state shown in FIG. If it pushes in so that it may cover over the strip 5e and it elastically deforms the inner cylinder 31 of the bending fitting body 30 outward, it will push in until the connection board 32 contact | abuts to the inner bottom wall 5b, and the bending fitting body 30 will become. Then, the inner peripheral wall 5a is held, and the setting of the sealing member E to the cap body B is completed as shown in FIG.
At the same time, the bottom plate 40 of the sealing plate E2 continuously provided from the fitting portion E1 via the connecting piece 29 is extended through the notch portion 14 formed in the outer peripheral cylindrical portion 12.

When closing the upper lid D, when the finger is placed on the finger-hanging projection 25 of the upper lid D from the state shown in FIG. 4 and the upper lid D is closed with the hinge C as the center of rotation, the locking portion 43 is removed by the finger-hanging projection 25. The sealing plate E2 is elastically deformed via the connecting piece 29.
When the upper lid D is closed, the locking portion 43 gets over the locking piece 26 of the finger hooking projection 25 and engages the inside of the locking piece 26, and the sealing plate E2 is restored, as shown in FIG. The upper lid D and the cap body B are sealed.

Further, another method for setting the sealing member E on the cap body B in the opened state will be described below.
From the state shown in FIG. 2, the engaging portion 43 of the sealing plate E2 is engaged with the inner side of the engaging piece 26 of the finger hooking protrusion 25 of the upper lid D, and the fitting portion 29 is taken care not to break the connecting piece 29. The bending fitting body 30 of E1 is gradually pushed in from the finger-hanging projection 25 side of the engaging recess 24, and the setting of the sealing member E on the upper lid D is completed as shown in FIG.

Next, when closing the upper lid D, when a finger is put on the upper plate 42 of the sealing plate E2 covering the finger hooking projection 25 of the upper lid D from the state shown in FIG. The bending fitting body 30 of the fitting portion E1 gradually covers the retaining protrusion 5e of the fitting recess 5 of the cap body B from the hinge C side while elastically deforming the inner cylinder 31 outward. The continuous plate 32 is pushed in until it comes into contact with the inner bottom wall 5b.
When the upper lid D is closed, the bottom plate 40 of the sealing plate E2 provided continuously from the fitting portion E1 via the connecting piece 29 is extended through the notch portion 14 formed in the outer peripheral cylindrical portion 12, and is shown in FIG. As shown, the upper lid D and the cap body B are sealed.

Finally, the container A filled with the contents can be obtained by plugging the hinge cap in which the cap body B and the upper lid D are sealed by the sealing plate E2 into the mouthpiece 1 of the container A filled with the contents. it can.
In the present embodiment, the cap body B and the container A are mounted by stoppering, but the cap body B and the container A may be provided with a threaded portion and mounted by screwing.

In opening, if the knob 44 is pulled forward from the state shown in FIG. 1, the connecting piece 29 that connects the bottom plate 40 of the sealing plate E2 and the fitting portion E1 is broken, as shown in FIG. 5B. The sealing plate E2 covering the finger-hanging projection 25 can be removed.
At this time, since the sealing member E can be manufactured from a material different from that of the cap body B, the sealing member E and the cap body B are colored in different colors, so that unauthorized opening by intention or negligence is performed. The presence or absence of the sealing member E can be easily recognized.

When opening the upper lid D, if the finger hooking projection 25 of the upper lid D is lifted, the lower portion of the side peripheral wall 21 is deformed outward, and the engagement between the engagement recess 24 and the lid engagement portion 37 is released from that portion. However, the bent fitting body 30 made of a material having rigidity higher than that of the cap body B is formed with a window portion 38 at a portion corresponding to the finger hooking projection 25, and the lid engaging portion 37 is easily elastically deformed. Therefore, it can be opened easily.
When using the content liquid, after opening the upper lid D, the pull ring 18 is put on a finger and pulled upward to break the weakening groove 16, thereby removing the removal portion 17 and pouring the partition wall 15. Open an exit.

As another effect, the hinge cap of the present embodiment can be easily separated from the container A and discarded after the contents are used.
When the upper lid D is opened and pulled outward, the weakening piece 11 that connects the outer cylinder 8 of the cap body B and the outer cylinder part 12 is broken, and the hinge C side of the outer cylinder part 12 is pulled away from the outer cylinder 8; When the upper lid D is further pulled upward, the outer tube 8 can be easily removed from the mouth tube portion 1 of the container A so as to be turned up from the portion connected to the connecting piece 10.

  According to the present invention, in the hinge cap with a tamper-evident prevention mechanism, the sealing member is made of a material whose rigidity is higher than that of the hinge cap, so that the strength of the sealing member can be increased and the upper lid and the cap body are sealed. Therefore, it can be widely used as a cap for containers such as foods and drinks that require high safety.

A Container B Cap body C Hinge D Upper lid E Sealing member E1 Sealing part E2 Sealing plate R Radial direction 1 Mouth tube part 2 Fitting protrusion 3 Mounting part 4 Extraction cylinder 5 Fitting recess 5a Inner peripheral wall 5b Inward Bottom wall 5c Outer peripheral wall 5d Outer bottom wall 5e Retaining protrusion 6 Upper wall 7 Inner cylinder 8 Outer cylinder 9 Engaging protrusion 10 Connection piece 11 Weaking piece 12 Outer peripheral cylinder part 13 Slit 14 Notch part 15 Bulkhead 16 Weaking groove 17 removing portion 18 pull ring 20 top wall 21 side peripheral wall 22 sealing ring 23 joint surface 24 engaging recess 25 finger hooking projection 26 locking piece 29 connecting piece 30 bent fitting 31 inner cylinder 32 connecting plate 33 inclined cylinder 34 outside Tubular 35 Pressing portion 36 Lower leg portion 37 Lid engaging portion 38 Window portion 40 Bottom plate 41 Outer peripheral portion 42 Upper plate 43 Locking portion 44 Picking piece

Claims (5)

A hinge cap in which a cap body and an upper lid are connected via a hinge,
A cap body having a mounting portion to be mounted on the container, and an extraction tube erected from the mounting portion;
An upper lid having a top wall, a side wall suspended from the periphery of the top wall, and a finger-hanging projection provided on the outer periphery of the side wall;
A sealing member having a fitting portion fitted to the upper surface of the mounting portion of the cap body, and a sealing plate connected to the fitting portion via a breakable connecting piece and engaging a finger hooking protrusion of the upper lid. ,
The hinge cap with a tamper-evident prevention mechanism, wherein the sealing member is made of a material having rigidity higher than that of the cap body. The fitting portion of the sealing member includes a ring-shaped bent fitting that is elastically deformable in the radial direction,
The hinge cap with a tamper-evident prevention mechanism according to claim 1, wherein the mounting portion includes an upper wall formed with a fitting recess for fitting the bent fitting on the upper surface. The upper lid includes an engaging recess formed at the inner peripheral lower end of the side peripheral wall,
The hinge cap with a tamper-evident prevention mechanism according to claim 2, wherein the bent fitting body of the fitting portion includes a lid engaging portion that engages with an engaging concave portion of the upper lid.   The hinge cap with a tamper-evident prevention mechanism according to claim 3, wherein the bent fitting body of the fitting portion has a window portion that is thinned over a range corresponding to the finger hooking projection portion of the upper lid. The mounting portion includes an upper wall formed with a fitting recess for fitting the sealing member on the upper surface, an inner cylinder suspended from the inner periphery of the upper wall, and an outer cylinder suspended from the outer periphery of the upper wall. With
The outer cylinder is provided with an outer peripheral cylinder portion provided continuously through a non-breakable connecting piece provided on the opposite side of the hinge and a plurality of breakable weakening pieces arranged at intervals. The hinge cap with an unauthorized opening prevention mechanism according to any one of claims 1 to 4.

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