JP5411642B2 - Plastic bottle cap opener - Google Patents

Description

The present invention relates to a plastic bottle cap opener used when opening a plastic bottle cap.

When opening a cap of a plastic bottle for the first time, since the plastic bottle is sealed, it cannot be opened unless a strong force is applied, so it cannot be easily opened by an elderly person or a child with weak power. Also, if the cap is closed with excessive force to close the cap once it is opened, it may be more difficult to open the next time the cap is opened. In order to solve such a problem, a cap opener for a plastic bottle (see Patent Documents 1 and 2) is used.

JP 2004-203478 A JP 2001-171702 A

Some conventional PET bottle cap openers remove the cap from the PET bottle cap opener and close the PET bottle when the cap is once opened and then closed. In such a plastic bottle cap opener, it is necessary to use the plastic bottle cap opener again when the plastic bottle cap is opened next time, and the plastic bottle cap opener is removed and reused each time. There was a problem that had to be.

In addition, recent large 2L plastic bottles are heavy and difficult to hold, so there are some bottles that have been made easier to hold by using depressions etc. In many cases, it is difficult to take out a large plastic bottle because it is difficult for a person with weak power or a small hand, for example, an elderly person or a child. It was.

Therefore, in order to solve the conventional problems, the present invention can be used as a substitute for a cap after opening the cap of a PET bottle, and further, can be used as a handle for a PET bottle. The purpose is to provide.

The cap opener for a plastic bottle of the present invention has a cylindrical main body having both ends opened, and extends radially outward from one end of the main body. A cap opener for a plastic bottle composed of a handle portion that is stretched so as to cover the main body portion, the cap fitting portion into which the cap of the plastic bottle is fitted up and down by a partition wall, A screw bottle that is divided into a PET bottle engaging portion that is engaged with the mouth, a knurling is formed on the inner surface of the cap fitting portion, and a screw that engages with the PET bottle mouth on the inner surface of the PET bottle engaging portion A packing is provided on the PET bottle engaging portion of the partition wall, and the handle portion extends from an end portion of the main body portion on the cap fitting portion side, and the main body portion and Wherein the space to enter the finger is formed between.

A through hole is provided in the center of the partition wall, and a protruding portion provided in the center of the packing is inserted into the through hole, and the protruding portion is engaged with the through hole so as to move up and down. The tip can protrude into the cap fitting portion.

Or the said handle part is provided with the hollow connected with the said cap fitting part in the surface of the part extended | stretched to the outer side in the radial direction from the edge part of a main-body part.

The inner surface of the cap fitting portion has a tapered shape whose diameter increases from the partition wall toward the end portion of the main body portion.

The packing is provided with a cylindrical rising portion in contact with the inner surface of the mouth of the PET bottle.

The cap opener for a plastic bottle of the present invention has a cylindrical main body having both ends opened, and extends radially outward from one end of the main body. A cap opener for a plastic bottle composed of a handle portion that is stretched so as to cover the main body portion, the cap fitting portion into which the cap of the plastic bottle is fitted up and down by a partition wall, A screw bottle that is divided into a PET bottle engaging portion that is engaged with the mouth, a knurling is formed on the inner surface of the cap fitting portion, and a screw that is screw-engaged with the mouth of the PET bottle on the inner surface of the PET bottle engaging portion A packing is provided on the PET bottle engaging portion of the partition wall, and the handle portion extends from an end portion of the main body portion on the cap fitting portion side, and the main body portion and Because the space where the finger can enter is formed, everyone can easily open the cap of the plastic bottle, and also when opening and closing the plastic bottle repeatedly, always use the cap opener for the plastic bottle You can easily open and close the plastic bottle at any time, and you can easily hold the plastic bottle by hooking your finger on the handle when holding the plastic bottle.

A through hole is provided in the center of the partition wall, and a protruding portion provided in the center of the packing is inserted into the through hole, and the protruding portion is engaged with the through hole so as to move up and down. Since the tip can protrude into the cap fitting part, when the plastic bottle engaging part is engaged with the mouth of the plastic bottle, the cap of the plastic bottle fitted into the cap fitting part is pushed out by the protruding part. Therefore, the cap firmly fitted to the cap fitting portion can be easily removed.

Or the said handle part is provided with the hollow connected with the said cap fitting part on the surface of the part extended | stretched to the outer side in the radial direction from the edge part of a main-body part, The said cap fitting part It is also possible to easily take out the cap of the plastic bottle fitted in the.

By making the inner surface of the cap fitting portion into a tapered shape having a diameter that increases from the partition wall toward the end portion of the main body, it is possible to easily open caps of different types of plastic bottles.

By providing the packing with a cylindrical rising portion in contact with the inner surface of the mouth of the PET bottle, the sealing performance of the PET bottle can be improved.

1 is a perspective view of a PET bottle cap opener according to a first embodiment of the present invention. FIG. 3 is a cross-sectional view of the PET bottle cap opener according to the first embodiment. FIG. 3 is a cross-sectional view showing how to use the cap opener for a plastic bottle of the first embodiment. It is sectional drawing which shows the usage method of the cap opener for PET bottles of 1st Embodiment, and is a continuation of FIG. It is sectional drawing of the cap opener for PET bottles of 2nd Embodiment. It is sectional drawing which shows the use procedure of the cap opener for PET bottles of 2nd Embodiment. It is sectional drawing which shows the use procedure of the cap opener for PET bottles of 2nd Embodiment, and is a continuation of FIG. It is a perspective view of the cap opener for PET bottles of 3rd Embodiment. It is sectional drawing of the cap opener for PET bottles of 3rd Embodiment. It is sectional drawing which shows the usage method of the cap opener for PET bottles of 3rd Embodiment. It is a top view of the cap opener for PET bottles when the handle part of a different planar shape is used.

The present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view of a cap opener 1 for a plastic bottle according to a first embodiment of the present invention, and FIG. 2 is a sectional view. As shown in FIGS. 1 and 2, the PET bottle cap opener 1 of the present invention has a cylindrical main body 2 with both ends open, and radially outward from one end of the main body 2. The handle portion 3 is extended and further extended so as to cover a part of the main body portion 2.

As shown in FIG. 2, the main body 2 includes a cap fitting portion 5 into which a cap of a plastic bottle is fitted up and down by a partition wall 4, and a plastic bottle engaging portion 6 to be engaged with a mouth of the plastic bottle. It is divided into The handle portion 3 extends from the end portion of the main body portion 2 on the cap fitting portion 5 side, and is formed to cover substantially half of the main body portion 2 with a predetermined interval. ing. As a result, a space is formed between the main body 2 and the handle 3 so that a fingertip can enter.

The inner surface of the cap fitting portion 5 is tapered so that the diameter increases toward the end portion, and a knurl 7 is formed in the vertical direction. The said knurl 7 can open the cap of a PET bottle by the cap opener 1 for PET bottles by engaging with the knurl formed in the outer surface of the cap of a PET bottle. The knurls 7 are preferably curved at their corners so that they can be easily washed when dirt is attached.

Further, by making the inner surface of the cap fitting portion 5 into a tapered shape, even when caps of PET bottles having different sizes are inserted into the cap fitting portion 5, the cap fitting portion is located at any position. The knurling 7 of the 5 and the knurling of the cap of the plastic bottle are engaged. Thereby, even caps of different sizes can be easily opened.

A screw 9 is provided on the inner surface of the plastic bottle engaging portion 6 to be screw-engaged with the mouth of the plastic bottle, and a packing 8 is provided on the surface of the partition wall 4. Thereby, after opening the cap of a plastic bottle using the cap opener 1 for plastic bottles, the said plastic bottle engaging part 6 screw-engages with the opening | mouth of a plastic bottle instead of the cap of a plastic bottle, and closes a plastic bottle. be able to. Further, the packing 8 is provided in order to improve the sealing performance when the plastic bottle is closed.

As described above, the cap opener 1 for a plastic bottle according to the present invention can be used not only for opening the cap of the plastic bottle but also as a substitute for the cap. Can be opened.

The handle portion 3 is a portion for rotating the plastic bottle cap opener 1 by the user holding and applying force when opening the cap of the plastic bottle. Further, when the handle portion 3 is used as a substitute for a cap of a plastic bottle, the fingertip is put into a space formed between the main body portion 2 and the handle portion 3 to carry the plastic bottle. Therefore, the space needs to be at least large enough to fit a fingertip.

The plastic bottle cap opener 1 of this embodiment is integrally formed except for the packing 8, and the material is soft and has a predetermined strength such as an elastomer so that the plastic bottle cap opener 1 can be easily grasped and force can be easily applied. It is preferable to use the material which has.

Next, the usage method of the cap opener 1 for PET bottles of this embodiment is demonstrated. When removing the cap 11 of the plastic bottle 10, first, as shown in FIG. 3A, the cap fitting portion 5 of the plastic bottle cap opener 1 is fitted into the cap 11 of the plastic bottle 10. When the cap 11 and the cap fitting portion 5 are fitted, the handle portion 3 is grasped and the PET bottle cap opener 1 is rotated, and the cap 11 is moved to the PET bottle as shown in FIG. Remove from 10. At this time, the cap 11 is rotated by the rotation of the PET bottle cap opener 1 by engaging the knurling 7 of the cap fitting portion 5 with the knurling on the surface of the cap 11.

When the cap 11 is removed from the plastic bottle 10, the cap is removed from the plastic bottle cap opener 1 as shown in FIG. Next, when the plastic bottle 10 is tightened, the plastic bottle cap opener 1 is turned upside down when the cap 11 is removed, and as shown in FIG. The engaging part 6 is screw-engaged with the mouth of the plastic bottle 10, the handle part 3 is grasped, and the plastic bottle cap opener 1 is rotated to close the plastic bottle 10.

In this way, when the plastic bottle 10 is closed using the plastic bottle cap opener 1, when the plastic bottle 10 is taken out from a refrigerator or the like, for example, as shown in FIG. The plastic bottle 10 can be taken out by inserting a fingertip from below into the space formed between the part 2 and the handle 3.

At this time, since it is not necessary to hold the plastic bottle 10, even a weak elderly person, a small hand child, etc. can easily have a large plastic bottle, and when opening the plastic bottle 10, the cap opener for the plastic bottle is used. 1 can be used to open easily.

As described above, the cap opener 1 for a plastic bottle according to the present invention can be easily opened by anyone and any number of times, and anyone can carry it without taking any effort when carrying it or taking it out. Can be easily carried or taken out.

Next, a PET bottle cap opener 1 'according to the second embodiment will be described with reference to the drawings. FIG. 5 is a cross-sectional view of a plastic bottle cap opener 1 ′ according to the second embodiment. As shown in FIG. 5, a cap opener 1 ′ for a plastic bottle according to the second embodiment includes a cylindrical main body 2 ′ whose both ends are open, and a radial direction from one end of the main body ′ 2. The handle portion 3 extends outward and extends so as to cover approximately half of the main body portion 2 'at a predetermined interval.

As shown in FIG. 5, the main body 2 ′ is vertically moved by a partition wall 4 ′ having a through-hole 12 at the center, and is engaged with a cap fitting portion 5 and a PET bottle engaging portion. It is divided into 6. The inner surface of the cap fitting portion 5 has a tapered shape with a diameter increasing toward the end portion, and a knurl 7 is formed in the vertical direction.

A screw 9 is provided on the inner surface of the plastic bottle engaging portion 6 so as to be screw-engaged with the mouth of the plastic bottle. Further, a packing 8 'is provided on the side of the plastic bottle engaging portion 6 of the partition wall 4'. Is provided. The packing 8 ′ of the present embodiment includes a circular packing body 13, a protruding portion 14 that protrudes from the packing body 13 and engages with a through-hole 12 provided in the partition wall 4 ′ so as to move up and down, The packing body 13 includes a cylindrical rising portion 15 provided on the surface opposite to the protruding portion 14.

The tip of the projecting portion 14 is expanded to be larger than the through-hole 12, and as shown in FIG. 5, the packing 8 'does not fall off from the PET bottle cap opener 1'. The rising portion 15 is sized to be fitted into the mouth of the PET bottle, and further has a bulge on the outer periphery of the tip portion. When the PET bottle is closed using the PET bottle cap opener 1 ′, It plays the role of an inner ring and plays a role of improving the sealing property of the PET bottle.

The plastic bottle cap opener 1 ′ of the present embodiment can easily remove the cap of the plastic bottle fitted to the cap fitting portion 5 by using the packing 8 ′ having the above-described structure. The method will be described with reference to the drawings.

When the cap 11 of the plastic bottle 10 is removed, first, as shown in FIG. 6A, the plastic bottle cap opener 1 'is held in the hand so that the cap fitting portion 5 is on the lower side. At this time, the packing 8 'moves downward, and the packing body 13 comes into contact with the partition wall 4'.

Next, the cap fitting portion 5 of the PET bottle cap opener 1 ′ is fitted into the cap 11 of the PET bottle 10. At this time, as shown in FIG. 6 (b), the tip of the projecting portion 14 is pushed by the cap 11, and the packing 8 'moves upward, and the packing body 13 is separated from the partition wall 4'. It becomes a state. When the cap 11 and the cap fitting portion 5 are fitted, the cap opener 1 for PET bottles is rotated, and the cap 11 is removed from the PET bottle 10 as shown in FIG.

When the cap 11 is removed from the PET bottle 10, the cap 11 and the cap fitting portion 5 are placed in a fitted state. Next, when the PET bottle 10 is tightened, the cap bottle 11 is left as it is. The cap opener 1 ′ is turned upside down when the cap 11 is removed, and the plastic bottle engaging portion 6 is screw-engaged with the mouth of the plastic bottle 10 as shown in FIG. Then, the plastic bottle cap opener 1 'is rotated to close the plastic bottle 10 with the plastic bottle cap opener 1'.

When the PET bottle cap opener 1 ′ is rotated and screwed into the mouth of the PET bottle 10, the packing body 13 of the packing 8 ′ is pushed upward by the upper end of the mouth of the PET bottle 10 and moves upward. Then, the protruding portion 14 of the packing 8 ′ pushes the cap 11 fitted to the cap fitting portion 5 from below to above.

Thereby, as the screw engagement between the PET bottle cap opener 1 ′ and the PET bottle 10 proceeds, the cap 11 that has been fitted to the cap fitting portion 5 is released, and FIG. As shown in FIG. 3, the cap 11 can be easily removed.

As described above, in the present embodiment, by using the packing 8 ', the operation of closing the plastic bottle 10 with the plastic bottle cap opener 1' even when the cap 11 is firmly fitted to the cap fitting portion 5 and is difficult to remove. Thus, the cap 11 can be easily removed from the cap fitting portion 5.

Further, as shown in FIG. 7B, when the plastic bottle 10 is closed with the plastic bottle cap opener 1 ′, the rising portion 15 of the packing 8 ′ is inserted into the mouth of the plastic bottle 10, Since the rising portion 15 serves as an inner ring, the sealing performance of the PET bottle 10 is further improved. In particular, it is effective for PET bottles that require airtightness such as carbonated drinks.

Next, a PET bottle cap opener 1 ″ according to a third embodiment will be described with reference to the drawings. FIG. 8 is a perspective view of a plastic bottle cap opener 1 ″ according to the third embodiment, and FIG. 9 is a cross-sectional view.

The plastic bottle cap opener 1 '' of the present embodiment is provided with a recess in the handle portion 3 of the plastic bottle cap opener 1 of the first embodiment, and the other structures are substantially the same. Detailed description of the same structure is omitted.

As shown in FIGS. 8 and 9, the PET bottle cap opener 1 ″ of the third embodiment has a cylindrical main body 2 with both ends open and a diameter from one end of the main body 2. The handle portion 3 ′ extends outward in the direction and extends so as to cover the main body portion 2 and substantially half of the main body portion 2 at a predetermined interval.

The main body portion 2 is divided into a cap fitting portion 5 and a plastic bottle engaging portion 6 by a partition wall 4, and a knurl 7 is formed in a vertical direction on the inner surface of the cap fitting portion 5. A screw 9 is provided on the inner surface of the PET bottle engaging portion 6, and a packing 8 is provided on the surface of the partition wall 4.

The handle portion 3 ′ is provided with four recesses 16 connected to the cap fitting portion 5 on the surface of the portion extending radially outward from the end portion of the main body portion 2. The recess 16 has a cross section with a size and shape that allows a fingertip to enter, and is used when the cap 11 fitted into the cap fitting portion 5 is taken out.

A method of using the plastic bottle cap opener 1 '' according to this embodiment will be described. The method for opening the cap 11 of the plastic bottle 10 and the method for closing the plastic bottle 10 using the plastic bottle cap opener 1 ″ are the same as in the first embodiment.

When the cap 11 of the plastic bottle 10 is opened using the plastic bottle cap opener 1 ″ in the same manner as shown in FIG. 3, the cap 11 is fitted into the cap fitting portion 5, and FIG. A state as shown in FIG. Therefore, as shown in FIG. 10 (b), a fingertip is inserted into the recess 16 and the side of the cap 11 fitted to the cap fitting portion 5 is grasped by a finger so that the cap 11 is fitted into the cap. Remove from part 5. At this time, since the recess 16 is provided in four places, four fingers can be used.

In this way, when the recess 16 is used, the area for gripping the cap 11 fitted to the cap fitting portion 5 increases, so that the cap 11 can be taken out more easily than when there is no recess.

Up to this point, the planar shape of the handle portions 3 and 3 ′ has been described using a circular form. However, as shown in FIG. 11, the planar shape of the handle portion 3 can be an oval or elliptical shape. In addition, as long as the shape is easy to tear, a rectangular shape or a shape with unevenness on the side surface can be used.

1, 1 ', 1 "PET bottle cap opener 2, 2' body part 3, 3 'handle part 4, 4' partition wall 5 cap fitting part 6 PET bottle engaging part 7 knurl 8, 8 'packing 9 Screw 10 PET bottle 11 Cap 12 Through hole 13 Packing body 14 Protruding part 15 Rising part 16 Dimple

Claims (4)

A cylindrical main body having both ends opened, a handle extending radially outward from one end of the main body, and further extending to cover a portion of the main body; A plastic bottle cap opener comprising:
The main body part is divided into a cap fitting part into which a cap of a plastic bottle is fitted and a plastic bottle engaging part to be engaged with a mouth of the plastic bottle up and down by a partition wall, and an inner surface of the cap fitting part A knurling is formed on the inner surface of the PET bottle engaging portion, and a screw is formed on the inner surface of the PET bottle engaging portion.
The PET bottle engaging portion of the partition wall is provided with packing, and the handle portion extends from an end portion of the main body portion on the cap fitting portion side, and a finger enters between the main body portion. A space is formed ,
The cap opener for a plastic bottle , wherein an inner surface of the cap fitting portion has a tapered shape with a diameter increasing from the partition wall toward an end portion of the main body portion .   A through hole is provided in the center of the partition wall, and a protruding portion provided in the center of the packing is inserted into the through hole, and the protruding portion is engaged with the through hole so as to move up and down. The cap opener for a plastic bottle according to claim 1, wherein a tip can protrude into the cap fitting portion.   The said handle part is provided with the hollow connected with the said cap fitting part in the surface of the part extended | stretched to the outer side in the radial direction from the edge part of a main-body part. Cap opener for plastic bottles. The plastic bottle cap opener according to any one of claims 1 to 3 , wherein the packing is provided with a cylindrical rising portion in contact with an inner surface of the mouth of the plastic bottle.