JP2005239206A - Spouting tool having tamper-evident structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spouting tool having a tamper-evident structure capable of informing that a container is already opened or not-opened at a glance. <P>SOLUTION: A lower portion of a cylindrical body 12 of a spout body 10 is formed as a band holding wall 17, and a lower end of the band holding wall extends outwardly to form an annular plate 18. A second band holding wall 19 is erected upwardly from an outer edge of the annular plate to form a descending recessed part 20 with an annular plate interposed between the band holding wall and the second band holding wall, and a holding wall projection 21 is formed on the inner side of the upper edge of the second band holding wall. A cap 30 comprises a cap body 31 and an annular tamper-evident band 34 continuously connected to a skirt part 32 of the cap body via a plurality of bridging parts 33. A band projection 35 is provided on the outer circumference of the lower portion of the tamper-evident band. When the cap is opened, the band projection is fitted to the holding wall projection to separate the cap body from the tamper-evident band. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a pouring tool having a tamper-evidence (function that clearly shows that it has been opened) structure, and in particular, a tamper-evidence structure that can be seen at a glance whether it has been opened or not. It relates to a pouring tool.

  Conventionally, a cap having a tamper-evidence structure in which a tamper-evidence band is provided by interposing a thin bridging part at the bottom of the cap body needs to fix the band to the mouth of the pouring tool when the cap is opened.

The tamper evidence band fixing method includes a ratchet method (for example, see Patent Document 1), an undercut method, a flap method (for example, see Patent Document 2), and the like.
Japanese Patent Laying-Open No. 2003-312697 (Claim 1) JP, 2003-31696, A (Claim 1) All of these are provided with a locking portion on the inside of the tamper-evidence band, and are locked with the locking portion at a corresponding position at the bottom of the mouth of the pouring tool. A protrusion or the like is provided. When opening the tamper-evidence band, the cap body and the tamper-evidence band are separated, and when the cap body is attached to the mouth again, the tamper-evidence band will be sufficiently separated from the cap body. The dent band needs to descend downward. However, with these conventional caps, the descent of the tamper evidence band is insufficient, and it is difficult to determine that the cap is already opened.

  The present invention has been made in view of the above-described problems relating to a plastic screw-in type dispensing tool having a tamper-evident band structure, and can be seen at a glance whether it has been opened or not. It is an object of the present invention to provide an extraction tool having a dent structure.

  The invention of claim 1 of the present invention is a pouring tool comprising a spout main body and a cap screwed onto the cylindrical portion of the spout main body, and the spout main body is disposed on the outer periphery of the cylindrical portion. A threaded cylinder having a screw is provided, and the lower part of the cylinder is formed as a band holding wall, and the lower edge of the band holding wall extends outward to form an annular plate, and the annular plate is annularly formed upward from the outer edge of the annular plate. The second band holding wall is erected, a descending recess is formed by interposing an annular plate between the band holding wall and the second band holding wall, and a holding wall projection is formed inside the upper edge of the second band holding wall. The cap comprises a cap body and an annular tamper evidence band connected to the skirt of the cap body via a plurality of bridging portions, and a lower outer periphery of the tamper evidence band. Is provided with a band projection, and when opening the cap The cap body and the tamper evident band fitted band projections and the holding wall projections and separating a dispensing device having a tamper evident structure.

Thus, according to the first aspect of the present invention, the spouting tool includes the spout main body and the cap screwed onto the cylindrical portion of the spout main body, and the spout main body includes the cylindrical portion. A cylindrical body with a screw having a screw on the outer periphery, and a lower part of the cylindrical body is formed as a band holding wall, and a lower edge of the band holding wall extends outward to form an annular plate, from the outer edge of the annular plate. A ring-shaped second band holding wall is erected above, and a descent recess is formed by interposing an annular plate between the band holding wall and the second band holding wall, and held inside the upper edge of the second band holding wall. The cap has a structure in which wall projections are formed, and the cap includes a cap body and an annular tamper-evidence band connected to a skirt of the cap body via a plurality of bridge portions, and the tamper-evidence band. A band projection is provided on the outer periphery of the bottom of the When opening the cap, the band protrusion and the holding wall protrusion are fitted to separate the cap body and the tamper-evidence band, so the tamper-evidence band separated from the cap body falls into the lowering recess and the cap body and the tamper-evidence band are separated. The gap can be made sufficiently large, and the presence or absence of opening can be determined at a glance.

  The invention of claim 2 is a pouring tool comprising a spout main body and a cap screwed onto the cylindrical portion of the spout main body, the spout main body being threaded on the outer periphery of the cylindrical portion. And a partition wall is provided on the lower inner side of the cylindrical body through a thin-walled portion formed in an annular shape so as to block the inner side of the cylindrical portion. An opening pull ring is provided, and the lower part of the cylindrical body is formed as a band holding wall, and the lower edge of the band holding wall extends outward to form an annular plate, and upward from the outer edge of the annular plate. An annular second band holding wall is erected, an annular plate is interposed between the band holding wall and the second band holding wall to form a descending recess, and a holding wall protrusion is formed inside the upper edge of the second band holding wall. In addition, the outer periphery of the second band holding wall is provided with a protrusion at an appropriate interval, In addition, the cap has a structure in which an outwardly extending flange is formed on the outer periphery of the lower portion of the second band holding wall, and the cap is connected to the cap main body and the bottom of the cap main body via a plurality of bridging portions. The tamper-evidence band is provided with a band protrusion on the outer periphery of the lower part of the tamper-evidence band, and when the cap is opened, the band protrusion and the holding wall protrusion are fitted together so that the cap body and the tamper-evidence band An extraction tool having a tamper-evidence structure characterized by separating.

  Thus, according to the invention described in claim 2, the pouring tool includes the spout main body and the cap screwed onto the cylindrical portion of the spout main body, and the spout main body includes the cylindrical portion. A cylindrical body with a screw having a screw on the outer periphery of the cylindrical body is provided, and a partition wall that closes the inside of the cylindrical part through a thin-walled portion formed in an annular shape is connected to a lower inner side of the cylindrical body. Is provided with a pull ring for opening standing from the partition wall, and the lower part of the cylindrical body is formed as a band holding wall, and the lower edge of the band holding wall extends outward to form an annular plate. An annular second band holding wall is erected upward from the outer edge, and an annular plate is interposed between the band holding wall and the second band holding wall to form a lowered recess, and the inner side of the upper edge of the second band holding wall The holding wall protrusions are formed on the outer periphery of the second band holding wall. And a structure in which an outwardly extending flange is formed on the outer periphery of the lower portion of the second band holding wall, and the cap is connected to the cap body and a skirt portion of the cap body via a plurality of bridging portions. It consists of an annular tamper-evidence band that is continuously provided, and a band projection is provided on the outer periphery of the lower part of the tamper-evidence band. Since the dent band is separated, the tamper evidence band separated from the cap body can drop into the lowering recess and the gap between the cap body and the tamper evidence band can be made sufficiently large. For example, a paper container such as a roof type provided with a pouring tool mounting hole or a bag-in box can be easily mounted. It is possible.

  The invention of claim 3 is characterized in that, in the invention of claim 1 or 2, the depth of the descending recess formed in the lower outer periphery of the spout main body is longer than the width of the tamper evident band. An extraction tool having a tamper-evidence structure.

  Thus, according to the third aspect of the present invention, the depth of the descending recess formed on the lower outer periphery of the spout main body is longer than the width of the tamper-evidence band, so that it falls into the descending recess. The evidence band cannot be seen from the side.

  According to a fourth aspect of the present invention, in the first, second, or third aspect of the present invention, one or more through holes are formed in the second band holding wall. It is an extraction tool having an evidence structure.

  Thus, according to the invention described in claim 4, since one or two or more through holes are formed in the second band holding wall, when the cap is screwed into the spout main body, the through hole is formed. Although the tamper evidence band is not visible, the tamper evidence band can be seen from the through hole when the cap is opened and the tamper evidence band is separated from the cap body and lowered into the lowering recess.

Thus, the pouring tool having the tamper evidence structure of the present invention has the following effects. That is, by having the structure as described above, a sufficient gap can be provided between the tamper evident band and the cap without increasing the height of the cap and the spout main body as a whole. Therefore, it has better tamper evidence.
Further, the visibility is further improved by dropping the tamper evident band completely into the descending recess of the spout body.
In addition, a band protrusion is provided on the outer peripheral edge of the tamper evident band, and a holding wall protrusion is provided on the inner peripheral edge of the second band holding wall of the spout main body, so that the container is tilted upside down when the contents are poured out. However, the tamper evident band does not fall from the spout body.

  With conventional undercut and flap caps, it is relatively easy to lift the tamper-evidence band by hand when it is resealed and return it to the unopened state. Since the evidence band cannot be touched, the tamper evidence band cannot be returned to the unopened state.

  The present invention is not limited to a bottle-like container such as a glass bottle or a plastic bottle because of its structure, but is effective for a bag-like container made of a paper container, a film, a sheet, or a metal container such as a dough can. .

The present invention will be described in detail below based on one embodiment.
The pouring tool having the tamper evidence structure of the present invention includes, for example, as shown in FIG. 1, a spout main body (10) and a cap (30) screwed onto the tubular portion (11) of the spout main body. Usually, it is produced by injection-molding a thermoplastic resin having rigidity such as polyethylene or polypropylene. And it can be used by attaching to the neck of a container such as a plastic bottle such as a plastic bottle or a glass bottle at the same time as forming the container.

  The spout main body (10) includes a threaded cylinder (12) having a screw (13) on the outer periphery of the cylindrical part (11), and a lower part of the cylinder (12) is formed as a band holding wall (17). The lower edge of the band holding wall (17) extends outward to form an annular plate (18), and an annular second band holding wall (19) is provided upright from the outer edge of the annular plate (18). Thus, a descent recess (20) is formed by interposing an annular plate (18) between the band holding wall (17) and the second band holding wall (19).

The descending recess (20) has, for example, a substantially U-shaped cross section and is formed so as to have a depth longer than the width of the tamper evidence band (34) described later, whereby the tamper evidence band (34) is formed. Is separated from the cap main body (31) and falls into the descending recess (20), the tamper evidence band (34) falls into the descending recess (20), and the pouring tool (1) is viewed from the side. It is not visible, and it is preferable to see at a glance that the cap has been opened (see FIG. 3).

A holding wall projection (21) is formed inside the upper edge of the second band holding wall (19).
Further, one or two or more through holes (24) may be formed in the lower part of the second band holding wall (19). When the through-hole (24) is drilled, the cap is opened and the tamper-evidence band (34) is separated from the cap body (31) and dropped into the descending recess (20). Even if it hides, its presence can be confirmed from the through hole (24) (see FIGS. 4A and 4B).

  The cap (30) includes a cap body (31) and an annular tamper-evidence band (34) connected to the skirt (32) of the cap body via a plurality of bridging portions (33).

  A band protrusion (35) is provided on the lower outer periphery of the tamper evident band (34), and when the cap is opened, the band protrusion (35) and the holding wall protrusion (21) are fitted to each other to form the cap body (31). And a tamper evident band (34).

  2 and 3 are explanatory views showing another embodiment of the pouring tool having a tamper-evident structure according to the present invention. Although the basic structure is the same as that of FIG. 1, an annular ring is formed inside the lower part of the threaded cylinder (12). A partition wall (15) that closes the inside of the cylindrical portion is connected via a thin-walled portion (14) formed in the wall, and an opening pull ring (16) standing from the partition wall is provided on the partition wall (15). Further, a flange (23) extending outward is formed on the outer periphery of the lower part of the second band holding wall (19) of the spout main body, and the protrusion is provided at an appropriate interval on the outer periphery of the second band holding wall (19). (22) is provided. As shown in FIG. 2, the flange (23) may be provided on the same plane as the annular plate (18) or may be provided above the same. In addition, it can also be set as the structure which does not provide a partition (15) and a pull ring (16).

  By forming the flange (23), it can be easily used as a pouring tool for a container such as a paper container or a bag-in-box provided with a pouring tool mounting hole. Further, by forming the partition wall (15), the contents do not reach the upper side of the cylindrical portion.

It is a partial section explanatory view showing one example of the extraction tool which has a tamper evidence structure of the present invention. It is a fragmentary sectional explanatory view showing another example of the extraction tool which has a tamper evidence structure of the present invention. It is a partial cutaway perspective explanatory view of the extraction tool of Drawing 2, (a) shows the state before opening, and (b) shows the state after opening. The pouring tool which has the tamper evidence structure of this invention was seen from the side, (a) is explanatory drawing in an unopened state, (b) is explanatory drawing after opening.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Extraction tool 10 ... Outlet body 11 ... Cylindrical part 12 ... Cylindrical body with screw 13 ... Screw 14 ... Thin wall part 15 ... Septum 16 ... Pull ring 17 ... Band holding wall 18 ... Annular plate 19 ... 2nd band holding wall 20 ... Descent recess 21 ... Holding wall protrusion 22 ... Projection 23 ... Flange 24 ... Through hole 30 ... Cap 31 ... Cap body 32 ... Bottom part 33 ... ··· Bridge 34 ··· Tamper evident band 35 ··· Band protrusion

Claims (4)

A pouring tool comprising a spout main body and a cap screwed onto the tubular portion of the spout main body,
The spout main body includes a threaded cylinder having a screw on the outer periphery of the cylindrical part, and the lower part of the cylinder is formed as a band holding wall, and the lower edge of the band holding wall extends outward to form an annular plate. Forming an annular second band holding wall upward from the outer edge of the annular plate, forming a descending recess by interposing the annular plate between the band holding wall and the second band holding wall; It consists of a structure in which a holding wall projection is formed inside the upper edge of the band holding wall,
The cap includes an annular tamper-evidence band that is connected to the cap body and a skirt portion of the cap body via a plurality of bridging portions, and a band protrusion is provided on a lower outer periphery of the tamper-evidence band. The pouring tool having a tamper-evident structure, wherein when the cap is opened, the band protrusion and the holding wall protrusion are fitted to separate the cap body and the tamper-evident band. A pouring tool comprising a spout main body and a cap screwed onto the tubular portion of the spout main body,
The spout main body includes a threaded cylinder having a screw on the outer periphery of the cylindrical part, and a partition wall that closes the inner side of the cylindrical part through a thin-walled part formed in an annular shape on the lower inner side of the cylindrical body. The partition wall is provided with a pull ring for opening standing from the partition wall, the lower part of the cylinder is formed as a band holding wall, and the lower edge of the band holding wall extends outward to form an annular shape. A plate is formed, an annular second band holding wall is erected upward from the outer edge of the annular plate, and a descending recess is formed by interposing the annular plate between the band holding wall and the second band holding wall, A holding wall protrusion is formed inside the upper edge of the second band holding wall, and a protrusion is provided on the outer periphery of the second band holding wall at an appropriate interval. Consists of a structure with an outwardly extending flange,
The cap includes an annular tamper-evidence band that is connected to the cap body and a skirt portion of the cap body via a plurality of bridging portions, and a band protrusion is provided on a lower outer periphery of the tamper-evidence band. The pouring tool having a tamper-evident structure, wherein when the cap is opened, the band protrusion and the holding wall protrusion are fitted to separate the cap body and the tamper-evident band.   The pouring tool having a tamper evidence structure according to claim 1 or 2, wherein a depth of a lowering depression formed on a lower outer periphery of the spout main body is longer than a width of a tamper evidence band.   The extraction tool having a tamper-evidence structure according to claim 1, 2 or 3, wherein one or two or more through holes are formed in the second band holding wall.

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