JP5653778B2 - Cap with nozzle - Google Patents

Description

  The present invention relates to a cap that is attached to the mouth of a container and into which an internal solution is poured out through an opening of a nozzle, and in particular, a sealing member that makes it possible to visually recognize its unused state and that can be easily removed during use It aims to provide a cap with a nozzle provided with the above.

  A container that stores an internal solution, particularly a refill container that stores an internal solution for refilling, is provided with a nozzle that allows the internal solution to be poured out. Such a nozzle is conventionally disclosed in Patent Document 1. As described above, a thin film (sheet) made of plastic or metal foil is fixed to the tip of the nozzle by heat welding so that the inside of the container is sealed and virginity is imparted.

Japanese Utility Model Publication No. 5-71152

  However, when the film is fixed to the opening of the nozzle to maintain the unused state, the film needs to be fixed in a separate process from the molding of the nozzle, and there is room for improvement in productivity.

  Moreover, when fixing a film to the opening part of a nozzle, since the film must be peeled off in use, there is room for improvement because it is difficult to peel off if the film has a high sticking property. In the above-mentioned Patent Document 1, in view of this, by inserting a plug having a breaking blade into the mouth portion of the refill container to be refilled, by inserting the mouth portion of the refill container into the mouth portion of the refill container at the time of refilling, Although it is configured to break the film, the number of parts increases and the cost is high.

  SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a novel cap with a nozzle that can be integrally provided with a sealing member and can be easily removed during use.

The present invention has been made to solve the above-described problems, and a cap with a nozzle according to the present invention is housed in a container on the inside of a mounting base mounted on the mouth of the container and rising from the mounting base. A cap body integrally including a nozzle that forms a dispensing passage for the inner solution, a sealing portion that seals the opening at the tip of the nozzle, and a sealing member that integrally includes a gripping portion for removing the sealing portion; The cap body and the sealing member are integrated so as to be peelable by insert molding or two-material molding , and the outer surface is formed along the outer surface of the nozzle at the lower end of the sealing portion as a part of the sealing member. An extension portion that extends while closely adhering to the nozzle and that holds the grip portion away from the nozzle is integrally provided .

  In such a cap with a nozzle, since the sealing member and the cap main body are integrally formed, the sealing member can be bonded (pseudo-adhering) to the nozzle simultaneously with the molding of the cap main body, and productivity can be improved. . Furthermore, since the inside of the container can be sealed simply by being attached to the mouth of the container via the attachment base of the cap body, it is easy to apply the sealing member to the container. In addition, the cap body and the sealing member are detachably integrated, that is, the sealing member is merely pseudo-bonded to the cap body. It can be peeled off and the cap can be easily opened. Therefore, unlike the conventional case, it is not necessary to separately provide a member for breaking the film in the refill container, and it is inexpensive.

  Therefore, according to this invention, while being able to provide a sealing member integrally, the cap with a nozzle which can be easily removed in use can be provided.

  In addition, in the cap with a nozzle of the present invention, the material of the sealing member can be freely selected. However, for example, when formed of a thermoplastic elastomer, the cap can be opened more easily due to the elastic characteristics of the sealing member. Can do.

Further, in the nozzle cap of this invention, the nozzle, to form a notch extending from the tip downwards, is preferably formed by also sealing the notch by the sealing portion, in which According to the present invention, the notch can function as an air replacement port when the contents are poured out. In particular, the cap with nozzle of the present invention is applied to a refill container, and the refill with which the cap with nozzle is refilled is provided. The contents can be smoothly poured out even when it is poured out into the mouth of the container (refillable container).

In the cap with a nozzle of the present invention, as a part of the sealing member, the lower end of the sealing portion extends along the outer surface of the nozzle while adhering to the outer surface, and the grip portion is Since the extending portion that is held apart from the nozzle is integrally connected, it is possible to realize a better holding force between the cap body and the sealing member due to an increase in the contact area, and the nozzle and the gripping portion. A space for inserting a finger between them can be formed to make it easier to pick the grip portion.

  According to this invention, while being able to provide a sealing member integrally, the cap with a nozzle which can be easily removed in use can be provided.

It is a perspective view shown in the state where a cap with a nozzle of one embodiment according to this invention was applied to a container. It is sectional drawing which follows the AA line in FIG. It is the perspective view which showed a mode that the holding part was pinched about the cap with a nozzle of FIG. 1, and a sealing member was peeled off from a cap main body.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Here, reference numeral 1 in the figure indicates a cap with a nozzle, reference numeral C indicates a container to which the cap with nozzle is mounted, and reference numeral C1 indicates a mouth portion of the container. Moreover, in this invention, although there is no limitation in particular in the kind of container to which a cap with a nozzle is applied, it can be advantageously applied to a refill container.

  As shown in FIG. 1, the cap 1 with a nozzle includes a cap body 3 attached to the mouth C1 of the container C, and a sealing member 5 disposed in the cap body 3 and holding the inside of the container C in a sealed state. .

  Further, as shown in detail in FIG. 2, the cap body 3 is formed with an opening corresponding to the opening of the mouth C1 of the container C at the center, and the lower surface 7 abuts against the protruding end of the mouth C1 of the container C. , And a mounting base 11 comprising a peripheral wall 9 hanging from the outer peripheral edge of the top wall 7 and engaging with the mouth C1 of the container C, and contents stored in the container C rising from the top wall 7 of the mounting base 11 inside A cylindrical nozzle 13 that forms a liquid discharge passage P is integrally provided. In this example, the mounting base 11 is screwed into the mouth C1 of the container C, but engagement ribs such as undercuts are provided on both the outer periphery of the mouth C1 and the inner periphery of the peripheral wall 9, You may make it hold | maintain (illustration omitted). In FIG. 2, reference numeral 15 denotes a fitting cylinder that hangs down from the inner peripheral edge of the top wall 7 and engages with the inner peripheral surface of the mouth C <b> 1 of the container C.

  The tip of the nozzle 13 is formed so as to be inclined like a tip of bamboo, so that the acute angle side can be set as a dispensing side S1 which is a side inclined when the contents are poured out. On the side S2 of the nozzle 13 opposite to the dispensing side S1, a slit-shaped notch 17 (FIG. 3) extending from the tip (upper edge) of the nozzle 13 downward (in the direction from the tip of the nozzle 13 toward the mounting base 11). Reference) is formed.

  On the other hand, the sealing member 5 enters the opening and the notch 17 at the tip of the nozzle 13 and covers the nozzle 13 at the outer edge portion to seal the opening and the notch 17, and the sealing portion 19. The extension part 21 connected to the lower end of the extension part 21 via a step h and the user can pick it up with a finger when removing the sealing member 5 from the nozzle 13 by extending upward from the end of the extension part 21. The grip part 23 is integrally provided. The sealing portion 19 has a shape that matches the shape of the opening and the notch 17 at the tip of the nozzle 13. In the illustrated example, the shape of the opening of the nozzle 13 is circular. However, the opening of the nozzle 13 can be a rectangle, a triangle, or the like, and the shape of the sealing portion 19 can be changed as appropriate. A plurality of convex portions 23 a for preventing slipping are formed on the outer surface of the grip portion 23. In addition, the extending portion 21 extends along (in close contact with) the portion of the side wall of the nozzle 13 between the notch 17 of the nozzle 13 and the mounting base portion 11 and the top surface of the top wall 7, while 13 so as to realize a better holding force between the cap body 3 and the sealing member 5 due to an increase in the contact area, and a finger between the nozzle 13 and the grip portion 23. A space for entry can be formed to make it easier to pick the grip portion 23.

  And the cap main body 3 and the sealing member 5 are integrated so that peeling is possible using different resin by insert molding or two-material molding. In the case of insert molding, the cap body 3 can be used as an insert material for the sealing member 5, but the sealing member 5 may be used as an insert material. In the case of two-material molding, the cap body 3 can be the primary side and the sealing member 5 can be the secondary side, but these may be reversed. In order to detachably integrate the cap body 3 and the sealing member 5, for example, it can be realized by forming the cap body 3 and the sealing member 5 with a resin having low compatibility or incompatibility. It is not limited. Examples of the material of the cap body 3 include hard resins such as polypropylene and high-density polyethylene, and examples of the material of the sealing member 5 include thermoplastic elastomers such as polyester elastomers, but are not limited thereto. . In particular, the sealing member 5 is made of a softer resin than the cap body 3, so that it can be easily peeled off. Here, the cap body 3 is made of polypropylene, and the sealing member 5 is made of a polyester elastomer.

  Since the sealing member 5 and the cap body 3 are integrally formed in the cap 1 with the nozzle as described above, the sealing member 5 can be bonded (pseudo-bonded) to the nozzle 13 simultaneously with the formation of the cap body 3. Productivity. Furthermore, since the inside of the container C can be sealed simply by being mounted on the mouth C1 of the container C via the mounting base 11 of the cap body 3, the application of the sealing member 5 to the container C is simple. In addition, the cap body 3 and the sealing member 5 are detachably integrated, that is, the sealing member 5 is merely pseudo-bonded to the cap body 3, so that the grip portion 23 is attached as shown in FIG. The sealing member 5 can be peeled off from the cap body 3 simply by picking and pulling up, and the cap 1 can be easily opened. Therefore, unlike the conventional case, it is not necessary to separately provide a member for breaking the film in the refill container, and it is inexpensive.

  Moreover, according to the cap with a nozzle of this embodiment, since the sealing member 5 is formed of a thermoplastic elastomer, the cap can be opened more easily due to the elastic characteristics of the sealing member 5.

  Furthermore, according to the cap with a nozzle 1 of this embodiment, since the notch 17 extending downward from the tip is formed in the nozzle 13, the notch 17 is used as an air replacement port when the contents are poured out. In particular, this cap 1 with a nozzle is applied to a refill container, and the cap 1 with a nozzle is brought into contact with or inserted into the mouth of a refill container (refill container) to be refilled. Even in the case of taking out the contents, the contents can be poured out smoothly. The notch 17 only needs to be provided downward from the tip of the nozzle 13, and therefore may be provided at any position regardless of the position of the grip portion 23.

  Thus, according to the present invention, it is possible to provide a novel cap with a nozzle that can be integrally provided with a sealing member and that can be easily removed during use.

DESCRIPTION OF SYMBOLS 1 Cap with nozzle 3 Cap body 5 Sealing member 11 Mounting base 13 Nozzle 19 Sealing part 21 Extension part 23 Gripping part

Claims (4)

A cap body integrally having a mounting base that is mounted on the mouth of the container, and a nozzle that rises from the mounting base and forms a dispensing passage for the internal solution contained in the container on the inner side;
A sealing portion that seals the opening at the tip of the nozzle, and a sealing member that integrally has a gripping portion for removing the sealing portion,
The cap body and the sealing member are integrated so as to be peelable by insert molding or two-material molding ,
As a part of the sealing member, an extending portion that extends while adhering to the outer surface along the outer surface of the nozzle and that holds the grip portion apart from the nozzle is provided at the lower end of the sealing portion. A cap with a nozzle, characterized by being integrally connected .   The cap with a nozzle according to claim 1, wherein the sealing member is formed of a thermoplastic elastomer. The cap with a nozzle according to claim 1, wherein a notch extending downward from the tip is formed in the nozzle, and the notch is also sealed by the sealing portion. The cap with a nozzle according to any one of claims 1 to 3, wherein the nozzle rises from a top wall of the mounting base, and the extension portion is in close contact with an upper surface of the top wall.

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