JP4608939B2 - Tamper-proof mouth cap with sealing ring - Google Patents

Description

  The present invention is a spigot that protrudes from a pouring position of a liquid paper container for storing liquid contents of food or non-food, and is illegal to be temporarily attached when attached to a cap attachment hole of a liquid paper container. The present invention relates to a stopper plug with an anti-opening sealing ring.

  In order to prevent unauthorized opening of a liquid paper container that stores liquid contents in the distribution process or at the storefront, it has been possible to clearly confirm when the product has been tampered with when the product is purchased. As a result, a mouth cap with a tamper-evident sealing ring was used. This spigot with a tamper-evident seal ring is such that a cap with a tamper-evident seal ring is screwed to a spout tool protruding from the pouring position of the liquid paper container. The cap with tamper-evident sealing ring is a brittle bridge provided with a plurality of thin and narrow widths that can be broken at the lower end of the peripheral wall of the cap body, and a tamper-evident seal with a locking flap or a locking ratchet on the inner peripheral surface When the cap body is rotated in the unscrewing direction to open the liquid paper container, the locking flap or the locking ratchet piece of the tamper-evident sealing ring and the outlet tube of the spout tool are connected. The brittle bridge is broken by the engaging action of the locking ring or the locking ratchet protrusion provided below the male screw, and the cap body and the tamper-evident sealing ring are separated. This separation between the cap body and the tamper-evident sealing ring can be easily confirmed from the appearance even if the cap is re-sealed with the cap body. It was useful as a preventive measure.

  By the way, as shown in FIG. 6, the conventional stopper with a tamper-resistant sealing ring (10) described above is provided with a flange (230) for heat-sealing the inner surface and the upper surface of the liquid paper container at the lower end of the outer peripheral surface. On the annular pedestal portion (210) provided with temporary engagement protrusions (211) at four positions at equal intervals in the circumferential direction on the outer peripheral surface of the upper end, a male screw is provided on the outer peripheral surface and a locking ring or a ratchet is provided below the male screw. A cap (100) with a tamper-evident sealing ring (100) was screwed onto a spout tool (200) provided with a pouring tube (220) provided with a piece. In the conventional plug with tamper-evident sealing ring, when the cap is attached to the liquid paper container, first, as shown in FIG. 6, the cap is attached to the plug attachment hole (21) of the liquid paper container (20). The cap (10) with which the cap (100) with a tamper-evident sealing ring is screwed to the spout tool (200) is projected to the annular pedestal portion (210) of the spout tool, and the annular pedestal of the spout tool After temporarily engaging with the stopper attachment hole of the liquid paper container by the temporary attachment protrusion (211) of the part, the inner surface of the liquid paper container and the upper surface of the flange (230) of the stopper are thermally fused by an ultrasonic sealing method or the like. It was to be worn and attached. However, the temporary engagement protrusion (211) of the annular pedestal portion of the spout device is small because there is a restriction in space in the vertical direction, and the engagement property of the stopper to the stopper attachment hole of the liquid paper container is small. There were times when it was not so good.

  The present invention solves the problems of attaching the above-mentioned conventional tamper-resistant sealing ring-attached stopper to the liquid paper container, and the stopper is temporarily attached to the stopper attachment hole of the liquid paper container. A mouth plug with a tamper-evident sealing ring that is good and easy to attach is provided.

That is, the first invention of the present invention, Ri Do and a tamper-evident closure ring with cap screwing the spout member to the spout member,
Tamperproof sealing ring with the cap, through a plurality of weak bridges equally spaced in the peripheral wall lower end of the cap body in a circumferential direction to connect the tamper-evident sealing ring, the tamper-evident sealing ring is illegal When a cap with an opening prevention sealing ring is screwed onto the extraction mouthpiece, in the mouthpiece with an unauthorized opening prevention sealing ring on the annular pedestal of the extraction mouthpiece
A tamper-evident sealing seal characterized in that a plurality of temporary engagement flaps inclined downward are provided on the outer peripheral surface of the tamper-evident sealing ring from the upper edge to the lower edge at equal intervals in the circumferential direction. It is a spigot with a ring.

  Next, according to a second aspect of the present invention, a plurality of locking flaps are provided at equal intervals in the circumferential direction on the inner peripheral surface of the tamper-evident sealing ring, and the outer peripheral surface of the spout tube of the spout tool is male. The spigot with a tamper-evident sealing ring according to the first aspect, wherein a locking ring that engages with a locking flap of the tamper-evident sealing ring is provided below the screw.

  A third invention of the present invention provides a plurality of locking ratchet pieces at equal intervals in the circumferential direction on the inner peripheral surface of the tamper-evident sealing ring, and the male of the outer peripheral surface of the dispensing cylinder of the spout tool. The spigot with a tamper-evident sealing ring according to the first aspect is provided with a locking ratchet protrusion that engages with a locking ratchet piece of the tamper-evident sealing ring below the screw.

  As shown in FIG. 1, the spigot with a tamper-evident sealing ring of the present invention (10) has a plurality of temporary engagement flaps (121) inclined downwardly on the outer peripheral surface of the tamper-evident sealing ring. 6 is provided from the upper edge to the lower edge at equal intervals in the direction. When the stopper is temporarily attached to the stopper attachment hole (21) of the liquid paper container (20), the conventional note shown in FIG. Compared with the temporary engagement protrusion (211) of the annular pedestal portion (210) of the outlet tool (200), the length in the vertical direction can be made larger in terms of space, so that the plug attachment hole of the liquid paper container (20) ( 21) has a good temporary attachment property, and a plurality of temporary attachment flaps provided on the outer peripheral surface of the tamper-evident sealing ring are inclined downward so that the plug is inserted once. Then, by opening the lower end of the temporary attachment flap, the plug is inserted into the plug attachment hole of the liquid paper container. Missing difficult.

  Further, as shown in FIGS. 3 and 5, the mouth plug with a tamper-evident sealing ring (10) of the present invention has a temporary engagement flap (121) provided on the outer peripheral surface of the tamper-evident sealing ring (120). Is an inclined surface that opens downward from the upper end to the lower end, so that the plug is temporarily attached to the plug attachment hole (21) of the liquid paper container (20) (shown by a two-dot chain line) shown in FIG. Sometimes it is easy to insert and attach the cap into the cap mounting hole of the liquid paper container.

  Next, an embodiment of the mouth plug with a tamper-evident sealing ring of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a front view of a mouth plug with a tamper-evident sealing ring according to the first and second embodiments. FIG. 2 is a bottom view of the cap with a tamper-evident sealing ring of the first embodiment in which a temporary engagement flap is provided on the outer peripheral surface of the tamper-evident sealing ring and a locking flap is provided on the inner peripheral surface. 3 is an explanatory view showing a state of a temporary engagement flap provided on the outer peripheral surface of the tamper-evident sealing ring and a locking flap provided on the inner peripheral surface. FIG. 4 is a bottom view of the cap with a tamper-evident sealing ring of Embodiment 2 in which a temporary engagement flap is provided on the outer peripheral surface of the tamper-evident sealing ring and a locking ratchet piece is provided on the inner peripheral surface; FIG. 5 is an explanatory view showing a state of a temporary engagement flap provided on the outer peripheral surface of the tamper-evident sealing ring and a locking ratchet piece provided on the inner peripheral surface.

As shown in FIG. 1, the tapping plug (10) with the tamper-evident sealing ring of Embodiments 1 and 2 is attached to the plug mounting hole (21) of the liquid paper container (20) (shown by a two-dot chain line). And a spout tool (200) projecting by heat fusion, and a cap (100) with a tamper-evident seal ring that is screwed to the spout tool. And since the cap with a tamper-evident sealing ring has a fragile portion that is ruptured when used, it is manufactured by an injection molding method using a breakable thermoplastic resin such as polyethylene. Further, the spout tool is manufactured by an injection molding method using a thermoplastic resin such as polyethylene or polypropylene that can be heat-sealed to the inner surface of the liquid paper container.

  As shown in FIG. 1, the structure of the cap (100) with a tamper-evident sealing ring according to Embodiment 1 has eight thin walls provided at equal intervals in the circumferential direction at the lower end of the peripheral wall (111) of the cap body (110). The tamper-evident sealing ring (120) is connected via a narrow fragile bridge (101), and the tamper-resistant sealing ring (120) is inclined on the outer circumferential surface of the tamper-evident sealing ring as shown in FIG. 1 and FIG. The temporary engagement flaps (121) are provided from the upper edge to the lower edge at equal intervals in the circumferential direction. As shown in FIG. 2 and FIG. ). It should be noted that an inner sealing ring (contacting the outer peripheral surface closely to the inner peripheral surface of the mouth) or a contact seal is usually provided on the bottom surface of the top plate of the cap body as necessary. A stop ring (with the lower tip in close contact with the top of the mouth) is provided, and as shown in FIG. 3, the inner peripheral surface of the peripheral wall (111) of the cap body (110) is connected to a spout tool. A female screw (112) is provided.

  And as shown in FIG. 1, the structure of the spout tool (200) is an annular pedestal portion provided with a flange (230) for heat-sealing the inner surface and the upper surface of the liquid paper container (20) at the lower end of the outer peripheral surface. 210), a pouring cylinder (220) which is provided with a male ring on the outer peripheral surface and a locking ring which engages with a locking flap of the tamper-evident sealing ring (120) below the male screw. is there. If necessary, in order to maintain the seal in the distribution process or in the storefront, a sealing plate is provided on the lower side of the dispensing cylinder and sealed, and an annular cut is provided on the lower surface at the planned opening position of the sealing plate on the upper surface. An annular thin fragile line is formed, and a column having a pull ring at the tip is erected at one position near the inside of the annular thin fragile line. The cap plug is unscrewed from the spout tool, and then the pull ring contained in the spout cylinder is pulled upward to break the annular thin line of weakness of the sealing plate and open the spout tool. can do.

  As shown in FIG. 4, the structure of the cap (100) with the tamper-evident sealing ring of Embodiment 2 has four locking ratchet pieces (123) in the circumferential direction on the inner peripheral surface of the tamper-evident sealing ring. Four locking ratchet protrusions that are provided at equal intervals and are engaged with the locking screw ratchet piece of the tamper-evident sealing ring below the male screw and the male screw on the outer peripheral surface of the spout cylinder of the spout tool Are provided at equal intervals in the circumferential direction. Except this, it is the same as the cap with the tamper-evident seal ring of the first embodiment. In addition, the shape of the locking ratchet piece is provided with an inclined smooth surface on the screwing direction side so that the locking ratchet protrusion of the spout tool can be overcome when the cap is screwed to the spout tool. An engagement surface is provided on the screwing direction side so as to engage with the locking ratchet protrusion of the spout tool when screwing out from the tool. In addition, the shape of the locking ratchet protrusion is provided with an inclined smooth surface on the screwing direction side so that the locking ratchet piece of the tamper-evident sealing ring can get over when the cap is screwed to the spout tool. When the screw is unscrewed from the spout tool, an engagement surface is provided on the screwing direction side so as to engage with the locking ratchet piece of the tamper-evident sealing ring.

  And the attachment by the internal attachment to the liquid paper container of the stopper with a tamper-evident sealing ring of Embodiments 1 and 2 is carried out by screwing a cap with a tamper-evident sealing ring to the dispensing tube of the spout tool. As shown in FIG. 1, the plug with tamper-evident sealing ring (10) is inserted into the plug mounting hole (21) of the liquid paper container (20) up to the annular pedestal (210) of the spout tool (200). After projecting and temporarily engaging with the stopper mounting hole of the liquid paper container by four temporary engaging flaps (121) inclined downwardly provided on the outer peripheral surface of the tamper-evident sealing ring (120) The inner surface of the liquid paper container and the upper surface of the flange of the cap are heat-sealed by an ultrasonic sealing method or the like.

It is a front view of the spigot with an unauthorized opening prevention sealing ring of Embodiment 1 and 2. It is a bottom view of the cap with a tamper-evident sealing ring of Embodiment 1 in which a temporary engagement flap is provided on the outer peripheral surface of the tamper-evident sealing ring and a locking flap is provided on the inner peripheral surface. It is explanatory drawing which shows the state of the temporary engagement flap provided in the outer peripheral surface of the tamper-evident prevention sealing ring of Embodiment 1, and the latching flap provided in the inner peripheral surface. It is a bottom view of the cap with a tamper-evident sealing ring of Embodiment 2 in which a temporary engagement flap is provided on the outer peripheral surface of the tamper-evident sealing ring and a locking ratchet piece is provided on the inner peripheral surface. It is explanatory drawing which shows the state of the temporary latching flap provided in the outer peripheral surface of the tamper-evident prevention sealing ring of Embodiment 2, and the latching ratchet piece provided in the inner peripheral surface. It is a front view of the mouthpiece with a tamper-evident seal ring of a conventional example.

Explanation of symbols

10. Cap 20 ... Liquid paper container 21 ... Cap attachment hole 100 ... Cap 101 ... Fragile bridge 110 ... Cap body 111 ... Peripheral wall 112 ... Female thread 120 ... Sealing ring 121 ... Temporary Engagement flap 122 ... Engagement flap 123 ... Engagement ratchet piece 200 ... Outlet tool 210 ... Annular base 211 ... Temporary engagement projection 220 ... Dispensing tube 230 ... Flange

Claims (3)

Note Ri Do from the exit device and the tamper-evident sealing ring with a cap that is screwed to the spout member,
Tamperproof sealing ring with the cap, through a plurality of weak bridges equally spaced in the peripheral wall lower end of the cap body in a circumferential direction to connect the tamper-evident sealing ring, the tamper-evident sealing ring is illegal When a cap with an opening prevention sealing ring is screwed onto the extraction mouthpiece, in the mouthpiece with an unauthorized opening prevention sealing ring on the annular pedestal of the extraction mouthpiece
A tamper-evident sealing seal characterized in that a plurality of temporary engagement flaps inclined downward are provided on the outer peripheral surface of the tamper-evident sealing ring from the upper edge to the lower edge at equal intervals in the circumferential direction. Mouth plug with ring.   A plurality of locking flaps are provided at equal intervals in the circumferential direction on the inner circumferential surface of the tamper-evident sealing ring, and the tamper-evident sealing ring is engaged under the male screw on the outer circumferential surface of the dispensing tube of the spout tool. 2. The spigot with a tamper-evident sealing ring according to claim 1, further comprising a locking ring that engages with the locking flap.   A plurality of locking ratchet pieces are provided at equal intervals in the circumferential direction on the inner circumferential surface of the tamper-evident sealing ring, and the tamper-evident sealing ring is disposed below the male screw on the outer circumferential surface of the dispensing tube of the spout tool. The stopper plug with a tamper-evident seal ring according to claim 1, further comprising a locking ratchet protrusion that engages with the locking ratchet piece.

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