JP2009154947A - Cap opening tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cap opening tool which can easily open a closed tear-off cap with reducing load on the fingers. <P>SOLUTION: The cap opening tool for opening the cap having a capping part capped on the mouth part of a container, and a ring part provided continuously to the lower edge of the side face of the capping part via a ring base part, includes a ring latching part 7 being latched on the ring base part, a fulcrum point part 5 abutting on the capping part, and a gripping part 9 rotating the ring latching part 7 upward using the fulcrum point part 5 as a fulcrum point and also the ring latching part 7, the fulcrum point part 5, and the gripping part 9 are provided in order from one end side. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an opening device for opening a cap attached to the mouth of a container.

  Conventional caps used for glass bottles and PET bottles, as well as crown caps that can be opened by opening the bottle, screw caps that can be opened by turning the cap, and a cap cap made of aluminum that can be crowned at the bottle mouth. There is a cap (generally referred to as a tear-off cap) that tears and opens the cap crowning portion by pulling the ring portion, and the name of Maxicap (registered trademark) is known.

  Also, aluminum can and steel can lids are known as pull-top cans and easy-open cans that have a score line (weakening line) and ring on the can lid so that they can be opened without using a can opener. .

  All of these caps and can lids, except for the crown cap, are configured so that they can be opened only with fingers without using an opening and opening device. However, in order to make it easier for people with weak fingers, such as children and the elderly, to open, and to reduce the load on fingers when it is necessary to open and open a large number of bottles in a short time In addition, as conventional techniques, a can opening device (see, for example, Patent Documents 1 to 3) and an opening device (for example, see Patent Documents 4 and 5) have been proposed.

Noto 3080568 JP 2004-59099 A Japanese Patent Laid-Open No. 11-301791 Japanese Patent Laid-Open No. 11-35095 JP 2002-362686 A

  The tear-off cap is a score line (weakened) provided on the cap cap made of aluminum by placing the finger on the ring connected to the lower edge of the side of the cap cap mounted on the bottle mouth and pulling it up It is an easy-opening cap that tears and opens the wire, and has been spreading in recent years. Accordingly, there is an increasing need for an opening device that can be easily opened even by people with weak fingers. However, the techniques disclosed in Patent Documents 1 to 3 are can opening devices for can lids and cannot be used for opening the tear-off cap. Further, the technique disclosed in Patent Document 4 is an instrument for separating a container and a cap for separation for the purpose of recycling when the cap after opening has a portion fitted into the container. It cannot be used for the purpose of opening the tear-off cap. Furthermore, although the technique disclosed in Patent Document 5 is intended to open a Maxicap (registered trademark), a container in which a cap that has already been opened and the score portion has been torn is reattached to the bottle mouth. It is a device that unplugs a tear-off cap that cannot be opened.

  Therefore, an object of the present invention is to provide an opening device that can easily open a tear-off cap that has not been opened yet, while reducing the load on fingers.

  The inventor hooks the ring base portion of the tear-off cap as an operating point, and grips the handle by hand with the portion contacting the top surface of the cap as a fulcrum, rather than pulling the ring portion up by the lever principle. We found that the tear-off cap can be opened with a small load, and led to the development of this opener. That is, in the opening device according to the present invention, the cap includes a cap crowning portion that is crowned on the mouth portion of the container, and a ring portion that is connected to the lower edge of the side surface of the cap crowning portion via the ring base portion. A ring latching portion that engages with the ring base portion, a fulcrum portion that abuts against the cap crowning portion, and a handle that rotates the ring latching portion upward with the fulcrum portion as a fulcrum. And the ring latching portion, the fulcrum portion, and the handle portion are provided in this order from one end side.

  In the opening device according to the present invention, the ring hooking portion has a hook shape having a claw-like portion at a tip, and the claw-like portion is inserted from the ring portion and hooked on the ring base portion. In addition, the fulcrum portion includes a case where the fulcrum portion comes into contact with the upper surface of the cap crowning portion at the start of opening and serves as a fulcrum for rotating the ring latching portion upward. Since the ring latching portion has a saddle shape, the claw-like portion can be easily hung on the ring base through the ring portion.

  In the opening device according to the present invention, the ring latching portion, the fulcrum portion, and the handle portion are arranged in a plate-like body in the longitudinal direction, and a portion facing the upper surface of the cap crowning portion is the cap. It is preferable to have a width equal to or greater than the diameter of the crowning portion and to provide an opening in the facing portion. The opening device can be stably opened without causing the left and right to fluctuate from side to side. In addition, since the tip of the hook-shaped ring latching portion can be seen through the opening, it is easy to hook the claw-shaped portion on the ring base.

  In the opening device according to the present invention, it is preferable that the handle portion is bent in a direction opposite to the surface of the plate-like body to which the tip of the ring latching portion is directed. When giving rotation to a ring latching | locking part, the holding method which can easily apply force with respect to a handle part can be performed.

  In the opening device according to the present invention, the ring latching portion, the fulcrum portion, and the handle portion are arranged in a plate-like body in the longitudinal direction, and the ring latching portion is provided at one end of the plate-like body. It has a notch shape having a slit part with a side notch, and the slit part is inserted into and engaged with the ring base, and the fulcrum part comes into contact with the side surface of the cap crowning part at the start of opening of the cap. The case where it becomes a fulcrum for rotating the ring latching portion upward is included. By the slit portion, the ring base portion can be easily sandwiched.

  In the opening device according to the present invention, it is preferable that the plate-like body is bent between the fulcrum part and the handle part. When giving rotation to the ring latching part, it is possible to hold the grip part easily.

  According to the opening device according to the present invention, it is possible to open the unopened tear-off cap while reducing the load on the fingers, rather than opening only the fingers. Even young people, elderly people, etc. who have weak fingers or women, etc. who have long nails, can easily open the cap by just rotating the handle, and it is necessary to open a large amount in a short time In addition, the burden on the fingers can be reduced.

  Embodiments of the present invention will be described with reference to the accompanying drawings. The embodiment described below is an example of the configuration of the present invention, and the present invention is not limited to the following embodiment. Various modifications may be made as long as the effects of the present invention are achieved.

  FIG. 1 is a schematic perspective view of the opening device according to the first embodiment, FIG. 2 is a side view, and FIG. 3 is a plan view seen from the direction A in FIG. As shown in FIG. 1, the opening device 1 according to the first embodiment abuts against the ring hooking portion 7 having a bowl shape and having a claw-like portion 8 at the tip, and the upper surface of the cap crowning portion at the time of opening. A fulcrum part 5 that functions as a fulcrum, and a handle part 9 that rotates the ring latching part 7 upward with the fulcrum part 5 as a fulcrum. In the first embodiment, the ring latching portion 7, the fulcrum portion 5, and the handle portion 9 are arranged in order from one end side in the longitudinal direction of the plate-like body, but if the order of arrangement is the same, the plate-like body Alternatively, for example, a rod shape may be used.

  In the first embodiment, as shown in FIGS. 2 and 3, the claw-shaped portion 8 is provided by reducing the thickness of the tip of the hook-shaped ring latching portion 7. The width of the ring latching portion 7 is preferably smaller than the inner diameter of the ring of the ring portion so that it can pass through the ring portion and be inserted into the ring base portion.

  In the first embodiment, as shown in FIG. 3, the width of the portion 6 (the portion of the plate-like body extending from the fulcrum portion 5 to the ring latching portion 7) facing the upper surface of the cap crowning portion is set to the width of the cap crowning portion. An opening 3 at the center of the portion 6 is provided with a width greater than the diameter. Since there is the opening 3, it is caught on the edge of the upper surface of the cap crowning portion, and the peripheral portion of the opening 3 that comes into contact with two places on the upper surface of the cap crowning portion becomes the fulcrum portion 5. Can be opened stably and reliably. In addition, since the tip of the hook-shaped ring latching portion can be seen through the opening 3 in preparation for the opening operation, the claw-shaped portion can be easily hooked on the ring base. By setting the width of the portion 6 facing the upper surface of the cap crowning portion to be larger than the diameter of the cap crowning portion, the diameter of the opening 3 is made large enough to obtain stability at the time of opening. can do. In addition, it is preferable that the diameter of the opening part 3 is smaller than the diameter of the cap crowning part. If the diameter of the opening 3 is larger than the diameter of the cap crowning portion, the cap crowning portion may pass through the opening 3 and the fulcrum portion 5 may not be able to contact the upper surface of the cap crowning portion.

  In the first embodiment, as shown in FIG. 2, the handle portion 9 is bent in the direction opposite to the surface on which the ring latching portion 7 is provided. When the handle portion 9 is bent in this manner, when the ring latching portion 7 hooked on the ring base portion is rotated and lifted upward with the fulcrum portion 5 as a fulcrum, it is easy to apply force to the finger that grips the handle portion 9 and the handle 9 is opened. The plug can be easily done.

  FIG. 4 is a schematic perspective view of the opening device according to the second embodiment, FIG. 5 is a side view, and FIG. 6 is a plan view seen from the direction B of FIG. As shown in FIG. 4, the opening device 1 according to the second embodiment is a plate-like body, and a ring latching portion 7, a fulcrum portion 5, and a handle portion 9 are arranged in the longitudinal direction.

  The ring latching portion 7 has a notch shape having a slit portion 10 in which one side surface of one end of the plate-like body is notched. The slit portion 10 is inserted into and engaged with the ring base portion, and the fulcrum portion 5 is a fulcrum that contacts the side surface of the cap crowning portion and rotates the ring retaining portion 7 upward at the start of opening. The depth of the slit portion 10 is preferably equal to or greater than the width of the ring base portion. The ring base can be reliably engaged. Further, the width of the slit portion 10 is such a size that the ring base portion can be easily inserted, but it is a size that does not cause a deviation when the ring base portion is securely hooked and the opening operation is performed.

  In the second embodiment, as shown in FIG. 6, the slit portion 10 is provided only at one place on one side surface of the plate-like body, but a plurality of slit portions may be provided on one side surface. In addition, slit portions may be provided on both side surfaces. If a plurality of slits are provided, it is possible to select a slit that can be easily inserted in accordance with the position and shape of the ring base, and if it is provided on both sides, it can be opened regardless of whether it is right-handed or left-handed. Can be easily operated.

  In the second embodiment, as shown in FIG. 5, the plate-like body is bent between the fulcrum part 5 and the handle part 9. When giving rotation to a ring latching | locking part, the holding method which can easily apply force with respect to a handle part can be performed.

  As an example, the opening device of the first embodiment and the second embodiment of the present invention was prototyped, and a glass bottle was opened with a tear-off cap (trade name Maxi Cap, diameter 26 mm, manufactured by Nippon Crown Cork Co., Ltd.). Went.

Example 1
Stainless steel plate-like body (thickness 2 mm, length 100 mm, handle width 10 mm, width 30 mm of the portion facing the top surface of the crown) as the opening device 1 (see FIG. 1) of the first embodiment. The opening 3 has a diameter of 20 mm, and a hook-shaped ring hook 7 is provided at one end.

(Example 2)
A stainless steel plate (thickness 2 mm, length 140 mm, width 25 mm) is bent and molded as a plug opening device 1 (see FIG. 4) according to the second embodiment, and a notched ring hook is formed at one end. Part 7 was provided.

(Opening result)
The mode of opening of Example 1 is shown in FIGS. First, as shown in FIG. 7, as preparation for opening, the ring hooking portion 7 of the opening device 1 is inserted and engaged with the ring base portion 31 through the ring portion 32. At this time, the ring latching portion 7 of the opening device 1 is engaged with the ring base portion 31 to be an operating point, and the lower edge of the opening portion 3 is brought into contact with the upper surface of the cap crowning portion 30 to become the fulcrum portion 5. 9 forms an insulator that is the power point. Next, as shown in FIG. 8, by pulling down the finger that grips the handle portion 9, the ring latching portion 7 rotates upward with the fulcrum portion 5 as a fulcrum by the lever principle. As a result, the ring base 31 engaged with the ring latching portion 7 is pulled up, and the cap crowning portion 30 is torn along the score line provided on the cap crowning portion 30. Subsequently, as shown in FIG. 9, the ring hooking portion 7 was further rotated upward, so that the score line of the cap crowning portion 30 was finally sufficiently torn and opened. At this time, the force required to open the plug was sufficiently reduced as compared with the case of opening only with fingers, and the plug could be opened easily.

  The mode of opening of Example 2 is shown in FIGS. First, as shown in FIG. 10, as preparation for opening, the slit portion 10 provided in the ring hooking portion 7 of the opening device 1 is inserted into and engaged with the ring base 31. At this time, the ring latching portion 7 of the opening device 1 is engaged with the ring base portion 31 to be an action point, and a portion adjacent to the ring latching portion 7 is in contact with the side surface of the cap crowning portion 30 to become the fulcrum portion 5. The handle portion 9 forms a lever that serves as a power point. Next, as shown in FIG. 11, by pulling down the finger that grips the handle portion 9, the ring latching portion 7 rotates upward with the fulcrum portion 5 as a fulcrum, according to the lever principle. As a result, the ring base portion 31 engaged with the slit portion 10 is pulled up, and the cap crowning portion 30 is torn along the score line provided in the cap crowning portion 30. Subsequently, as shown in FIG. 12, the ring hooking portion 7 was further rotated upward, so that the score line of the cap crowning portion 30 was finally sufficiently torn and opened. At this time, the force required to open the plug was sufficiently reduced as compared with the case of opening only with fingers, and the plug could be opened easily.

1 is a schematic perspective view of an opening device according to a first embodiment. FIG. The side view of the opener according to the first embodiment is shown. The front view seen from the A direction of FIG. 2 of the opener according to the first embodiment is shown. The perspective schematic diagram of the opening instrument concerning 2nd Embodiment is shown. The side view of the opener according to the second embodiment is shown. The front view seen from the B direction of FIG. 5 of the opener according to the second embodiment is shown. It is a figure which shows the aspect of the opening of the Example of the opening instrument based on 1st Embodiment, and shows the step which prepares an opening. It is a figure which shows the aspect of the opening of the Example of the opening instrument based on 1st Embodiment, and shows the step which started the opening. It is a figure which shows the aspect of the opening of the Example of the opening device based on 1st Embodiment, and shows the step which the opening progressed. It is a figure which shows the aspect of the opening of the Example of the opening instrument based on 2nd Embodiment, and shows the step which prepares an opening. It is a figure which shows the aspect of the opening of the Example of the opening instrument based on 2nd Embodiment, and shows the step which started the opening. It is a figure which shows the aspect of the opening of the Example of the opening instrument which concerns on 2nd Embodiment, and shows the step which the opening progressed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Opening instrument 3 Opening part 5 Supporting point part 6 Opposite part to cap crowning part 7 Ring latching part 8 Claw-shaped part 9 Handle part 10 Slit part 30 Cap crowning part 31 Ring base part 32 Ring part

Claims (6)

  An opening device for opening a cap, comprising: a cap crowning portion that crowns a mouth portion of a container; and a ring portion that is connected to a lower edge of a side surface of the cap crowning portion via a ring base portion. A ring hooking portion that engages with the base portion, a fulcrum portion that contacts the cap crowning portion, and a handle portion that rotates the ring hooking portion upward with the fulcrum portion as a fulcrum, and in order from one end side An opening device comprising the ring latching portion, the fulcrum portion, and the handle portion.   The ring latching portion has a hook-like shape having a claw-like portion at the tip, and the claw-like portion is inserted from the ring portion and hooked onto the ring base portion, and the fulcrum portion starts opening. 2. The opening device according to claim 1, wherein the stopper is a fulcrum for contacting the upper surface of the cap crowning portion and rotating the ring latching portion upward. 3.   In the plate-like body, the ring latching portion, the fulcrum portion, and the handle portion are arranged in the longitudinal direction, and the portion facing the upper surface of the cap crowning portion has a width equal to or larger than the diameter of the cap crowning portion. The opening device according to claim 2, wherein the opening portion is provided in the opposed portion.   4. The opening device according to claim 3, wherein the grip portion is bent in a direction opposite to a surface of the plate-like body to which a tip of the ring latching portion is directed.   In the plate-like body, the ring latching portion, the fulcrum portion, and the handle portion are arranged in the longitudinal direction, and the ring latching portion has a slit portion in which a side surface of one end of the plate-like body is notched. The slit portion is inserted into and engaged with the ring base portion, and the fulcrum portion comes into contact with the side surface of the cap crowning portion at the start of opening of the cap, and the ring hooking portion is directed upward. The opening device according to claim 1, which serves as a fulcrum for rotation.   The opening device according to claim 5, wherein the plate-like body is bent between the fulcrum part and the handle part.

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