JP2000344265A - Built-in stopper with tamper-evident opening blade - Google Patents

Abstract

(57) [Summary] [Problem] To provide a plug with a built-in unsealing blade with tamper-evident prevention that ensures virginity of a product and that it can be clearly judged from the appearance that the product has been opened. An opening cylindrical body protruded from a liquid paper container is provided.
0 and a cap 200, which are movably housed therein and sealed with a sealing film 400. When the cap is rotated to be removed, the guide slope 241 of the cap and the guide slope 301 of the opening cylindrical body slide. The opening cylinder is moved downward by contact and the opening blade 310 breaks the sealing film with the opening blade 310.
, The peripheral wall 110 of the cap provided with a threaded portion on the inner peripheral surface
A tamper-evident ring 230 provided with a plurality of stopper projections 231 on the inner surface at the lower end thereof is connected to the inside by a plurality of thin ribs 223 through a ring-shaped cut line 222, and a spout discharging cylinder is provided. A stopper ring 112 is provided on the outer peripheral surface below 110 to fit with the stopper projection of the tamper-evident ring.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to sake, fruit juice beverages,
The present invention relates to a plug with a built-in unsealing blade with a tamper-proof that protrudes from the top of a liquid paper container used for seasonings and the like.

[0002]

2. Description of the Related Art Conventionally, a liquid paper container (20) has, for example, as shown in FIG. 4 (a), a square pillar-shaped body (21), and a gable roof-shaped top inclined plate (22). In the field of products, those having a built-in opening blade plug (10) protruding for ease of pouring have been used in a wide range of commodity fields. For example, as shown in FIG.
Opening cylinder (300) provided with opening blade (310) at the lower end
Is installed in the spout (100) (spouting tool) so as to be able to move up and down, and when the cap (200) screwed to the spout is rotated in the removing direction, a guide is provided at the center of the top plate of the cap. The sliding cylindrical body (300) is lowered by sliding contact between the spiral guiding slope provided on the outer peripheral surface of the inner cylinder and the spiral guiding slope provided on the inner peripheral surface of the opening cylindrical body, An opening blade (3) provided at the lower end of the opening cylindrical body
10) Sealing film (40) for sealing the liquid paper container
It has been known to break open 0) to open. And
For example, as described in Japanese Utility Model Application Laid-Open No. 2-1627, a sealing film is heat-sealed on the lower surface of the spout to seal the lower opening of the dispensing cylinder. Insert the stopper into the spout mounting hole of the liquid paper container with the pouring cylinder protruding,
An internal one that is attached by heat-sealing the upper surface of the flange to the inner surface of the container, and a spout hole that is sealed with a sealing film of a liquid paper container, for example, as described in Japanese Utility Model Publication No. 5-35058. There is an external one which is attached to the upper surface of the outer peripheral portion by heat-sealing the lower surface of the flange of the plug.

[0003]

However, the above-mentioned conventional plug with a built-in opening blade does not have a function for preventing unauthorized opening, and recently, a sealing film is replaced with a ceramic vapor-deposited film from aluminum foil. As a result, it is difficult to judge from the appearance of the product, even if the product is accidentally or intentionally opened in the distribution process, the virginity of the product is impaired, and the content of the product It could have an adverse effect on things.

[0004] The present invention solves the above-mentioned problem of the conventional plug with a built-in opening blade, which secures the virginity of the product and makes it clear from the appearance that once the product is opened, it is opened. It is intended to provide a plug with a built-in unsealing blade with tamper-evident prevention which can be determined at a time.

[0005]

That is, the first aspect of the present invention is as follows.
The invention includes a spout that is internally provided and protruded from a stopper mounting hole of a liquid paper container, and a spout that movably incorporates an opening tubular body and seals a lower end with a sealing film, and a cap that is screwed to the spout. When the cap is rotated and removed from the spout, the sliding between the guide slope provided on the outer peripheral surface of the guide inner cylinder of the cap and the guide slope provided on the inner peripheral surface of the opening tubular body is performed. By moving the unsealing cylinder downward by contact, the splicing portion is provided on the inner peripheral surface of the plug that breaks the sealing film with the unsealing blade provided at the lower end of the unsealing cylinder. At the lower end of the peripheral wall of the cap, tamper-evident ring portions provided with a plurality of stopper protrusions at substantially equal intervals on the same horizontal line on the inner surface, and a plurality of thin-walled members provided at substantially equal intervals on the inside through a ring-shaped cut line Connected with ribs, and
A stopper ring fitted with a stopper projection of the tamper-evident ring is provided on an outer peripheral surface below a threaded portion of the spout with the cap of the spout cylinder. It is a faucet.

According to a second aspect of the present invention, there is provided a spout projecting externally from a discharge hole of a liquid paper container sealed with a sealing film and having an opening tubular body movably incorporated therein. When the cap is rotated and removed from the spout, the cap is screwed onto the spout, and when the cap is rotated and removed from the spout, the guide slope provided on the outer peripheral surface of the guide inner cylinder of the cap and the inner peripheral surface of the opening cylindrical body are formed. The stopper is moved downward by sliding contact with the provided guide slope, and the sealing film is broken by an opening blade provided on the lower end surface of the opening cylinder. At the lower end of the peripheral wall of the cap provided with a threaded portion on the surface, a tamper-evident prevention ring portion provided with a plurality of stopper protrusions at substantially equal intervals on the same horizontal line on the inner surface, the inside of which is inserted through a ring-shaped cut line. A series of thin ribs provided at approximately equal intervals And a stopper ring that fits with a stopper projection of the tamper-evident prevention ring portion is provided on an outer peripheral surface below a threaded portion of the spout with the cap of the spouting cylinder. It is a plug with a built-in blade.

[0007]

When opening the liquid paper container equipped with the tamper-evident preventing opening blade built-in opening plug, the cap is rotated in the removing direction to lower the built-in opening blade.
Breaking the sealing film and opening the container,
To rotate the cap, a tamper-evident ring (230) having a stopper projection fitted with the stopper ring of the spout dispense cylinder is cut from the cap (200) as shown in FIG. 222), a plurality of thin ribs (223) connecting the tamper-evident ring (230) inside the lower end of the cap (200) shown in FIG. 1 or FIG. Must be cut. Cutting the thin rib requires a certain amount of force, and it is clearly judged from the appearance that the thin rib has been cut accidentally or intentionally. As a result, the virginity of the product in the distribution process is ensured, and the reliability of the product is increased.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, an opening plug (10) with a built-in unsealing blade with tamper-proof according to one embodiment of the present invention has a built-in opening cylinder (300) movably and a lower end. A spout (100) sealed with a sealing film (400) and a cap (200) screwed to the spout, and a spout is provided on the inner surface of the periphery of the spigot mounting hole (24) of the liquid paper container (20). The upper surface of the flange (120) provided around the lower end of the spout cylinder (110) is heat-sealed and bonded by ultrasonic welding or the like, so that the spout spout cylinder protrudes from the spout mounting hole. Then, as shown in FIG. 4 (b), the cap (200) to be screwed and attached to the spout (100) to open the liquid paper container (20) is rotated in the removing direction to remove from the spout. Sometimes, the cap (2 0) The guide slope (241) provided on the outer peripheral surface of the guide inner cylinder (240) vertically suspended at the center position of the top plate (210) and the inner peripheral surface of the opening cylindrical body (300). By sliding contact with the guide slope (301), as shown in FIG. 4B, the opening cylinder (300) is moved downward, and the opening blade (3) provided at the lower end of the opening cylinder is opened.
In 10), the sealing film (400) is broken and opened.

A plug with a built-in opening blade according to another embodiment of the present invention comprises a spout that movably houses a tubular body for opening and a cap that is screwed to the spout, and is sealed with a sealing film. On the top of the peripheral edge of the discharge hole of the liquid paper container
The lower surface of the flange provided around the lower end of the spout pouring cylinder is heat-sealed by an ultrasonic welding method or the like, and is projected and attached by so-called external attachment, and screwed into the spout to open the liquid paper container. When the cap to be mounted is rotated in the removing direction and removed from the spout, the sliding contact between the guide slope provided on the outer peripheral surface of the inner cylinder for guiding the guide and the guide slope provided on the inner peripheral surface of the opening cylindrical body of the cap. Thus, the opening tubular body is moved downward, and the sealing film is broken by the opening blade provided on the lower end surface of the opening tubular body to be opened.

As shown in FIGS. 1 and 2, the plug with a built-in opening blade according to an embodiment of the present invention has a peripheral wall (22) of a cap (200) provided with a threaded portion (221) on the inner peripheral surface.
At the lower end of (0), a tamper-evident ring (230) provided with a plurality of stopper projections (231) at substantially equal intervals on the same horizontal line on the inner surface is provided on the inner side through a ring-shaped cut line (222). A plurality of thin ribs (223) provided at equal intervals are connected in series, and as shown in FIG.
A stopper ring (112) that fits with a stopper projection of a tamper-evident prevention ring is provided on the outer peripheral surface below the screwing portion (111) of the dispensing cylinder (110) with the cap. The width, thickness and number of the thin ribs provided on the cap are designed to have a breaking strength suitable for the intended use of the product.

Also, as shown in FIG. 1 or FIG.
The opening cylindrical body (300) is provided with four sliding projections (320) for spouting on the upper outer peripheral surface, and a plurality of triangular opening blades (310) at the lower end thereof. 311) is provided, and the cutting edge portion is provided. When the sealing film (400) is broken by the opening cylinder (300), the broken piece (401) of the sealing film is formed. , So as not to fall into the contents (30) contained in the container.

In the meantime, the liquid paper container in which the opening blade built-in plug according to the embodiment of the present invention is protruded from the top is used without being opened by an external impact or the like in a normal distribution and storage process. The opening condition at the time is good,
Once the plug was opened, it was easily recognizable from the appearance even after resealing.

[0013]

According to the present invention, the plug with a built-in opening blade with tamper-proofing ensures the virginity of the product until it is used after the distribution and storage process, and it is resealed once the plug is opened. It is clear from the appearance of the spout that the spout has been opened even if stopped.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a plug with a built-in unsealing blade with tamper-proofing according to an embodiment of the present invention.

FIG. 2 is a partial bottom view of the cap according to the embodiment of the present invention.

FIG. 3 is an explanatory view showing a state in which a lower tamper-evident ring is separated when the cap of one embodiment of the present invention is opened.

FIG. 4A is an explanatory diagram showing a state before opening a liquid paper container to which an example of a plug with a built-in opening blade is attached,
(B) is an explanatory view showing a state at the time of opening.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Plug with a built-in opening blade 20 ... Liquid paper container 21 ... Body 22 ... Top inclined plate 23 ... Pourout hole 24 ... Plug mounting hole 30 ... Contents 100 ... Spout 110 ... Discharge cylinders 111, 221 Threaded portion 112 Stopper ring 120 Flange 200 Cap 210 Top plate 220 Peripheral wall 222 Cut line 223 Thin rib 230 Ring for preventing unauthorized opening Part 231 Stopper projection 240 Guide inner cylinder 241 301 Guide slope 300 Opening cylinder 310 Opening blade 311 Missing blade part 320 Sliding projection 400 Sealing film 401 ... fragment

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E060 AA05 AB04 CF06 DA15 3E084 AA05 AA12 AA34 AB01 BA03 BA08 BA09 CA01 DA01 DB05 DB12 FA09 FB01 FD13 GA04 GB04 GB09 KA13 KB01 LA01 LA17 LA25 LB02 LB07

Claims (2)

[Claims] 1. A spout which is internally provided and protrudes from a stopper mounting hole of a liquid paper container, movably incorporates an opening cylinder, and seals a lower end with a sealing film, and a cap which is screwed to the spout. When the cap is rotated and removed from the spout, a guide slope provided on the outer peripheral surface of the guide inner cylinder of the cap and a guide slope provided on the inner peripheral surface of the opening tubular body are formed. A threaded portion is provided on the inner peripheral surface of the stopper that moves the opening cylinder downward by sliding contact and breaks the sealing film with an opening blade provided at the lower end of the opening cylinder. At the lower end of the peripheral wall of the cap, tamper-evident ring portions provided with a plurality of stopper protrusions at substantially equal intervals on the same horizontal line on the inner surface, a plurality of inner portions provided at substantially equal intervals via a ring-shaped cut line. Connected with thin ribs and the spout The outer peripheral surface of the lower engagement portion of the cap of the output tube, said tamper-evident ring portion of the stopper protrusion and the mating tamper evident with open blades built spout, characterized in that a stopper ring. 2. A spout which is externally protruded from a discharge hole of a liquid paper container sealed with a sealing film and movably incorporates an opening tubular body, and a cap which is screwed onto the spout. When the cap is rotated and removed from the spout, the guide slope provided on the outer circumferential surface of the guide inner cylinder of the cap slides on the guide slope provided on the inner circumferential surface of the opening tubular body. By moving the opening tubular body downward, in the plug that breaks the sealing film with an opening blade provided on the lower end surface of the opening tubular body, a threaded portion is provided on the inner peripheral surface. At the lower end of the peripheral wall of the cap, tamper-evident ring portions provided with a plurality of stopper protrusions at substantially equal intervals on the same horizontal line on the inner surface, and a plurality of thin-walled members provided at substantially equal intervals on the inside through a ring-shaped cut line Ribbing tube for spout The outer peripheral surface of the lower engagement portion of the cap, the tamper-evident ring portion of the stopper protrusion and the mating tamper evident with open blades built spout, characterized in that a stopper ring.