JP4640807B2 - cap - Google Patents

Description

  The present invention relates to a cap, and more particularly to a synthetic resin cap that can be seen at a glance that it is unopened and the contents are unused.

  As a synthetic resin cap to be attached to the mouth of a container such as a bottle, a cap having so-called damper evidence that can express that the contents are not used has been proposed (for example, see Patent Document 1).

The cap is a hinge cap having a main body cap fixed to the bottle nozzle, and an upper lid that is hinge-coupled to the main body cap and has a finger hook collar on a tip end opposite to the hinge coupling portion. A main body band having a hook is connected to the outer surface of the main body cap base body around the center of the cap via a detachable connecting rib, and the upper cover has an upper cover hook, and the main body cap and the upper cover are closed and unopened. In this state, the band hook and the upper lid hook are engaged with each other, and the upper lid is provided with a cover projecting in an eaves shape covering at least a part of the upper portion of the main body band in the unopened state.
JP 2003-054610 A

  Since the upper part of the main body band is covered with a cover, the hinge cap cannot be inserted into the gap between the main body band and the main body cap base, and only the main body band can be deformed to open the upper lid. If you open the top cover forcibly by tampering, there will be a trace of the band's separation, and you can be sure of opening. Moreover, the main body band can be provided corresponding to the finger collar, but the finger hook band can be provided at an optimum place regardless of various effects such as having freedom in designing the hinge cap. It is an excellent one.

  On the other hand, since there is a limitation on the outer shape that the main body band, the cover and the like must be protruded from the main body cap base or the upper lid, the degree of freedom in shape is poor, and the aesthetic appearance may be impaired. In addition, there is a possibility that the overall structure becomes complicated due to the presence of the protruding portion, and the yield may be deteriorated. Naturally, a new mold must be formed, and the manufacturing cost increases.

  The present invention overcomes the above-mentioned drawbacks of the prior art, has damper evidence like a conventional cap, has almost no external restrictions, can be easily manufactured with a very simple structure, and We propose a cap that can be manufactured using the product as it is.

  The cap of the present invention includes a main body and a lid. The main body and the lid are integrally formed of a synthetic resin, and the lid is connected to the main body so as to be elastically reversible by a specially configured hinge mechanism having an elastic plate. The term “reversal of elasticity” as used herein refers to a state in which the lid is biased in the opening direction when it is opened by a certain opening angle or more, and is biased in the closing direction if it is less than a certain opening angle. Further, the hinge mechanism provided with the elastic plate means that the lid body is rotatably connected to the main body in a state where one or more elastic plates are spanned between the main body and the lid body, and the lid body is opened and closed. The hinge mechanism is connected so that the elastic restoring force of the elastic plate elastically deformed at this time urges the lid in the opening direction or the closing direction.

  Various specific structures of such a hinge mechanism can be adopted. For example, a pair of first hinges that connect the upper end of the rear part of the main body and the lower end of the rear part of the lid with a space therebetween, and between the first hinges. The upper edge is connected to the first hinge forward position of the top wall of the lid via the second hinge, and the lower edge is connected to the lower position of the peripheral wall of the main body via the third hinge. And an elastic plate.

  In this case, the elastic plate tries to rotate around the third hinge, but the second hinge portion at the tip rotates accompanying the rotation around the first hinge of the lid. Accordingly, the rotation of the elastic plate gradually takes an inverted L shape between the turning locus centering on the first hinge of the second hinge and the point where the turning locus centering on the third hinge intersects. The elastic plate is deformed so as to open and then gradually closed from the open state, and the elastic plate becomes the original inverted L shape at the crossing point and is stabilized. As a result, the elastic restoring force of the elastic plate initially acts in the direction to close the lid, and from the middle part in the direction to open the lid, and stops in a stable state. In the pivoting state of the lid, the elastic plate pivots in a state of protruding outward from the main body and the lid.

  As another specific example of the hinge mechanism, a first hinge that connects the upper end of the rear portion of the main body and the lower end of the rear portion of the lid body, an upper edge is connected to the lid body via a second hinge, and a third hinge is connected to the main body. The thing of the form which provided the elastic board which connected the lower end edge through the both sides of the 1st hinge is mentioned. The shape of the elastic plate in this case may be an inverted L-shaped plate, a C-shaped plate, or a flat plate.

  The cap of the present invention has a cover layer fixed to the surface. This cover layer covers at least a part of the elastic plate and is fixed by forming a non-fixed cut-out portion by an easily cutable connecting portion surrounding the elastic plate covering portion. The connecting portion is broken by an elastic plate protruding outward so that the cutout portion can be removed. The cut portions are in a non-fused state with the corresponding elastic plate, and the cover layer other than the cut portions is fixed to a fixed surface such as a main body or a lid by an appropriate fixing means such as adhesion or fusion.

  The form of the easily cut-off connecting part can be variously adopted as long as it can be easily cut by pressing the elastic plate. For example, it can be a perforated connecting part, or a cut groove and a thin rod-like connecting piece. Or a thin-walled connecting portion. The cover layer is formed of a synthetic resin alone or a laminated sheet or the like, and may be fused and fixed at the time of cap molding or may be bonded and fixed after the cap is molded in the form of an adhesive label.

  Moreover, you may provide the display which shows opening clearly on the elastic board inside the cut part of this cover layer. Various forms such as characters, patterns, figures, or a combination of these can be used for display, and printing or engraving can be used.

As a first means, the body A _1, and a lid A ₂ provided on the main body A ₁ openably, the lid A ₂ with respect to the main body A _1, the hinge mechanism having an elastic plate 22 Is a synthetic resin cap configured such that the elastic plate 22 protrudes outward from the lid A ₂ and the main body A ₁ when the lid is opened. A cover layer 30 that defines a non-fixed cut-out portion 30a is fixed by an easily cutable connecting portion 31 that covers the elastic plate covering portion and the elastic plate 22 is connected to the connecting portion 31 when the lid is opened. Is cut off to remove the cutout portion 30a.

As a second means, in the first means, a pair of first hinges a and a respectively connecting the rear upper end of the main body A ₁ and the rear lower end of the lid A ₂ with a space therebetween, The upper edge is connected to the first hinge front position of the lid top wall 21 via the second hinge b between the hinges a, and the third hinge c is connected to the lower position of the main body peripheral wall 10 below the first hinge c. constitute the hinge mechanism in the reverse concatenation of the lower edge L-shaped elastic plate 22, the cover lid a ₂ top covers at least a portion of the elastic plate 22 exposed on the cover a ₂ top Layer 30 was affixed.

  As a third means, in any one of the first means and the second means, a cut groove 31a surrounding the periphery of the elastic plate 22, and a connecting piece 31b spanning the cut groove 31a portion, The connecting portion 31 is configured as described above.

  As a fourth means, in any one of the first to third means, an indication d indicating opening is provided on the elastic plate 22 inside the cutout portion 30a.

  As a fifth means, in any one of the first means to the fourth means, the cover layer 30 is composed of an adhesive label.

Cap of the present invention is capable of cutting and removing the cut portion 30a is virgin seal by a simple operation of opening the lid A _2, the unsealing operation is extremely easy and, when not in use, the cutout 30a It becomes obvious at a glance that its contents are unused. In addition, the structure is very easy to manufacture because it is only necessary to attach a cover layer 30 of a special form to a conventional cap of this kind, and the conventional cap with an elastic reversing hinge can be used as it is. Since it can be formed, there is an advantage that it can be manufactured at a low cost without having to open a new mold. Further, since only a part of the cover layer 30 is removed even after opening, there is no particular great shape change.

A pair of first hinges a, a connecting the rear upper end of the main body A ₁ and the rear lower end of the lid A ₂ with a space therebetween, and the first of the lid top wall 21 between the first hinges a. An inverted L-shaped elastic plate 22 having an upper edge connected to the front position of the hinge via a second hinge b and a lower edge connected to a position below the first hinge of the peripheral wall 10 via a third hinge c; If the cover layer 30 is fixed to the upper surface of the lid A ₂ by covering at least a part of the elastic plate 22 exposed on the upper surface of the lid A ₂ and constituting the hinge mechanism, the elastic mechanism is opened when the lid is opened. The plate 22 greatly protrudes outward, so that the cut portion 30a can be cut and removed more reliably.

  Further, if the connecting portion 31 is configured by a cut groove 31a surrounding the elastic plate 22 and a connecting piece 31b spanning the cut groove 31a, the connecting portion 31 can be cut more easily.

  Further, when the display d indicating the opening is provided on the elastic plate 22 inside the cutout portion 30a, the state after opening can be expressed more clearly.

Further, when the cover layer 30 is formed of an adhesive label, there is an advantage that the cover layer 30 can be easily formed on the main body A ₁ or the lid A ₂ by hand.

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

FIG. 1 shows an example of the cap of the present invention. The cap A includes a main body A ₁ fitted to a container body B and a lid body A ₂ . The container body B to be mounted employs a bottle type that stands up with the mouth and neck portion 3 having a diameter reduced from the upper end of the trunk portion 2.

The main body A ₁ has a cylindrical shape with a lower end opening extending from the upper end edge of the peripheral wall 10 and has a discharge port 12 whose peripheral edge is raised in a mountain shape at the center of the top wall 11. In addition, a fitting tube 13 for fitting to the outer periphery of the mouth neck portion 3 of the container body B is suspended from the back of the top wall around the discharge port 12, and the inner periphery of the fitting neck 13 is closely fitted to the inner periphery of the mouth neck portion 3. A seal cylinder 14 is suspended.

The lid A ₂ is formed integrally with the main body A ₁ and synthetic resin, has a cylindrical shape with a lower end opening extending the top wall 21 from the upper end edge of the peripheral wall 20, and is provided so that the top of the main body A ₁ can be opened and closed. Yes. Further, the lid A ₂ can be elastically reversed by the hinge mechanism provided with the elastic plate 22 with respect to the main body A ₁ , and the elastic plate 22 moves outward from the lid A ₂ and the main body A ₁ when the lid is opened. It connects so that it may protrude. The hinge mechanism has at a peripheral wall 10 a rear upper end of the lid peripheral wall 20 rear lower end and the body A _1, a pair of first hinge a, a linked respectively at intervals, each first hinge a, between a The upper end edge is connected to the first hinge forward position of the lid top wall 21 via the second hinge b and the lower end is connected to the lower position of the main body peripheral wall 10 via the third hinge c. It is composed of an L-shaped elastic plate 22.

In addition, the lid A ₂ is configured so that a cylindrical plug 23 suspended from the back surface of the top wall 21 is fitted to the discharge port 12 to prevent leakage of liquid from this portion when the lid is closed, A protruding piece 24 for hooking fingers is integrally projected forward from the front lower end of the peripheral wall 20.

Further, on the upper surface of the lid A ₂ are attached a label as a cover layer 30. This label is stuck on the lid top wall 21 with a gap from the peripheral edge of the lid top wall 21 and positioned on the lid top wall 21, and a cutout 30a serving as a virgin seal is provided at the rear. . The cutout portion 30a is provided so as to cover the front portion of the elastic plate exposed on the upper surface, and is surrounded by the easily cuttable connecting portion 31. The connecting portion 31 includes a cut groove 31a that surrounds both sides and the front side, and a narrow connecting piece 31b that spans the cut groove 31a portion. The label, after forming the main body and the cover together, at a predetermined position of the cover A ₂ top, are welded portion excluding the cut portion 30a. In addition, the character as the display d which shows opening clearly is provided in the elastic board 22 inside the cutting part 30a.

When the cap A constructed as described above is picked up from the state shown in FIG. 1 and opened, the elastic plate 22 protruding outwardly presses the cutout portion 30a of the label outward. cutting the coupling portion 31, it can be removed cutouts 30a, becomes clear opening when closing the lid a ₂ again.

It is a longitudinal cross-sectional view of this invention cap. Example 1 It is a top view of this invention cap. Example 1 It is a perspective view of this invention cap. Example 1 It is a longitudinal cross-sectional view of the open state of the cap of the present invention. Example 1 It is a perspective view after opening of this invention cap. Example 1

Explanation of symbols

21 ... lid top wall, 22 ... elastic plate, 30 ... cover layer, 30a ... cut section, 31 ... connecting portion, 31a ... notch, 31b ... connecting piece, A ₁ ... body, A ₂ ... lid, a ... 1st hinge, b ... 2nd hinge,
c ... 3rd hinge, d ... Display

Claims (5)

A main body A _1, and a lid A ₂ provided openably on the body A _1, the lid A ₂ with respect to the main body A _1, to be capable of elastically reversed by a hinge mechanism having an elastic plate 22 The cap is made of synthetic resin and is connected to the elastic plate 22 so that the elastic plate 22 protrudes outward from the lid A ₂ and the main body A ₁ when the lid is opened, and covers and elastically covers at least a part of the elastic plate 22 The cover layer 30 that defines the non-fixed cutout portion 30a is fixed by the easily cutable connection portion 31 that surrounds the plate covering portion, and the elastic plate 22 breaks the connection portion 31 when the lid is opened, and the cutout portion Cap configured to remove 30a. A pair of first hinges a, a connecting the rear upper end of the main body A ₁ and the rear lower end of the lid A ₂ with a space therebetween, and the first of the lid top wall 21 between the first hinges a. An inverted L-shaped elastic plate 22 having an upper edge connected to the front position of the hinge via a second hinge b and a lower edge connected to a position below the first hinge of the peripheral wall 10 via a third hinge c; _{2. The} cap according to claim 1, comprising the hinge mechanism, covering at least a part of the elastic plate 22 exposed on the upper surface of the lid A _2, and fixing the cover layer 30 on the upper surface of the lid A ₂ .   The cap according to any one of claims 1 and 2, wherein the coupling portion 31 is configured by a cut groove 31a surrounding the elastic plate 22 and a connection piece 31b spanning the cut groove 31a portion.   The cap according to any one of claims 1 to 3, wherein a display d is provided on the elastic plate 22 inside the cutout portion 30a to clearly indicate opening.   The cap according to any one of claims 1 to 4, wherein the cover layer 30 is formed of an adhesive label.

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