JP4461317B2 - Cap body that can be easily separated from the container - Google Patents

Description

  The present invention relates to a cap body that is easily separated for separation and collection from the mouth of a container.

Conventionally, various inventions have been proposed in which a cap body that is fitted to the mouth of a container is separated from the mouth of the container so that the cap body can be separated and collected, and a portion that is easily broken is formed on a part of the cap body. Yes.
In general, a weakening line that can be cut in advance is formed on the body of the cap body, and the cap body is separated from the opening of the container in order to separate the cap body from the mouth of the container. In some cases, the end of the notched portion is raised with a fingertip to form a gripping portion, pulled outward, torn the weakening line, exposing the mouth of the container, and separating the mouth of the container and the cap body.

  On the other hand, there is a case where a gripping part for cutting the body part of the cap body is not provided, and a part gripped at the time of cutting is a lid body connected to the cap body via a hinge part. For example, Patent Literature 1 includes an outer peripheral wall that fits into a constriction recess of a container mouth, a fitting upper wall that has a fixed cylinder formed at the top thereof, and an inner lid that has a fitting portion made of an inner ring, A synthetic resin hinge cap comprising an outer lid integrally connected via a hinge and engageable with a fixed cylinder, and a longitudinally weakening line that longitudinally cuts the outer peripheral wall near one end of the base of the hinge, A radial weakening line that runs across the fitting upper wall directly below the slit of the fixed cylinder in a radial direction continuously from the longitudinal weakening line, and a fitting line along the inside of the fixed cylinder that continues to the radial weakening line. Disclosed is a hinge cap that can be separated and collected easily by forming a weakening line from the circumferential weakening line formed on the wall and tearing the weakening line by pulling the outer lid outward to separate the cap and the container mouth. Has been.

JP 2001-158460 A

  In the former case described above, since the gripping part for cutting the body part, that is, the notch part forming the gripping part is exposed to the outside, when the stopper for discharging the filling liquid in the container is first opened. There is a problem that the notch portion serving as the gripping portion is accidentally torn with the operation portion for opening the plug that closes the spout, and the body portion of the cap body is cut before opening.

  Next, in the above-described hinge cap for easy separation and collection of Patent Document 1, a longitudinal weakening line that vertically cuts an outer peripheral wall near one side end of the base of the hinge, and a fixed cylinder continuously from the longitudinal weakening line. A radial weakening line that traverses the fitting upper wall immediately below the slit portion in the radial direction, and a circumferential weakening line that is formed on the fitting upper wall along the inside of the fixed cylinder continuously with the radial weakening line. By forming the weakening line consisting of the above and pulling the outer lid outward during the separation and collection, the aforementioned weakening line is cut off, and the outer surface of the container mouth part is largely exposed from the cut part, and from the container mouth part. When the cap is separated, but the user accidentally pulls the outer lid outward, the outer peripheral wall that fits into the container mouth is torn along the weakening line at once. Will be exposed, and then use this cap. That there is a fear that becomes impossible.

  This invention is made | formed in view of this point, and it aims at providing the cap body which can be easily isolate | separated from the opening | mouth of a container at the time of fraction collection, without providing the operation part hold | gripped at the time of fraction collection.

As a means for solving the above-mentioned problems, the present invention described in claim 1 includes a substantially cylindrical cap body having a spout that fits into a mouth of a container, and the cap body via a hinge portion. A cap body comprising a lid body connected to the body, wherein the cap main body is provided on the body portion, the longitudinally extending weakening line for cutting the body portion, and the body portion along the weakening line the one end connected to the outer peripheral portion, is extended in a tubular shape so as to surround with a gap around the Ide straddle the line of weakness the barrel, the protective band and the other end is connected to the outer periphery of the body portion And a thin upper wall connecting the upper end of the protective band and the upper end of the body portion, the hinge portion is connected to the protective band, and the protective band to which the hinge portion is connected in the range of the circumferential direction, the upper end of the protective band of said barrel Said upper wall connecting the end and thicker than the top wall of the other ranges, on its upper surface, a recess extending in an arc shape along the barrel, the thin film portion between the gap and the bottom of the recess And a weakening line extending in the vertical direction is provided inside the protective band within the circumferential range where the concave portion is formed .

  By configuring in this way, at the time of separating and collecting, first, the lid is pulled outward and twisted, and the protective band is divided by cutting off the weakening line provided inside the protective band. It shall be in the state connected only with the one end part of a protection band. Next, rotate the lid counterclockwise, rotate the upper wall connecting the protective band and the trunk to the position of the weakening line provided on the trunk, and pull the lid slightly outward, The weakening line provided in the trunk is cut to divide the trunk. Then, the outer peripheral surface of the mouth of the container is exposed to the outside from the divided body part, and the cap body can be easily pulled out and separated from the mouth of the container.

The invention described in claim 2 is the invention described in claim 1, wherein the weakening lines provided in the protection band respectively form upper grooves on the inner walls of the protection band located at both circumferential ends of the recess. At the same time, the inner wall of the protective band forming the gap is provided with a lower groove portion formed at a position corresponding to any one of the upper groove portions.
By comprising in this way, if a cover body is pulled up and down by light force, a protection band can be easily torn.

The invention described in claim 3 is the invention described in claim 2, wherein in the thin film portion, the recess and the gap communicate with each other at a position where the upper groove portion and the lower groove portion are formed. A hole is formed.
By constituting in this way, the thin film portion can be more easily torn and the through hole can fulfill the function of draining in manufacturing.

  According to the invention described in claim 1 of the present invention, a weakening line extending in the vertical direction for tearing the barrel portion is provided on the barrel portion of the cap body fitted to the mouth of the container, and the circumference of the barrel portion is provided. A weakening line is provided on the inside of the protective band that extends with a gap, so that the protective cap is torn. Pull the lid connected via the hinge part outward, tear off the weakening line provided on the protective band, then rotate the lid to the position of the weakening line, and also tear the weakening line provided on the trunk part The cap body can be easily pulled out and separated from the container mouth by exposing the outer peripheral surface of the container mouth from the divided body.

  Also, at the time of separation and collection, as described above, the user operates in two steps, the operation of cutting the weakening line provided inside the protective band and the operation of cutting the weakening line provided on the body part. Even if a person accidentally pulls the lid outward and tears off the weakening line of the protective band, at this stage, the torso is not yet torn, and the cap body is in contact with the mouth of the container. The fitting state can be maintained, and normal use is possible thereafter.

  According to the invention described in claim 2, the weakening lines provided in the protection band respectively form upper groove portions on the inner walls of the protection band located at both ends in the circumferential direction of the recesses, and the inner walls of the protection band that form gaps. In addition, since the lower groove is formed at a position corresponding to one of the upper grooves, the protective band can be easily cut in the vertical direction by pulling the lid up and down with a light force. it can.

  According to the invention described in claim 3, the through-hole in which the concave portion and the gap communicate with each other is formed in the thin film portion, and the through-hole is formed at an inner position where the upper groove portion and the lower groove portion are formed. As a result, the thin film portion can be more easily torn and the through-hole can function to drain water in manufacturing.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to FIGS.
The cap body easily separated from the container according to the embodiment of the present invention, as shown in FIGS. 1 to 3, is fitted into the mouth of a container (not shown) and has a substantially cylindrical cap having a filling liquid outlet 4. It is comprised from the main body 1 and the cover body 3 connected with the cap main body 1 via the hinge part 2. As shown in FIG.
The cap body 1 includes a spout 4 having a cutout lid 1a, a barrel 5 having the spout 4, a weakening line 6 provided in the barrel 5 and extending in the longitudinal direction for tearing the barrel 5, and this weakening. a protective band 7 of which one end on the outer periphery of the body portion 5 along line 6 the winding-out the other end takes circling the outer periphery of the body portion 5 straddle the line of weakness 6 is connected is connected to the outer periphery of the body portion 5 , And a weakening line 17 for tearing the protective band 7 provided inside the protective band 7.

In the cap body 1, an annular space 8 is formed between an annular inner wall 4 a that fits inside the mouth of the container and an inner wall of the barrel 5 that fits outside the mouth of the container. On the inner wall of the body portion 5, a single engagement protrusion 5a extending in the circumferential direction is formed.
If the mouth of the container is fitted into the annular space 8 of the cap body 1, the engagement protrusion 5 a provided on the inner wall of the trunk portion 5 is brought into a state of being engaged by pressing the outer wall of the mouth of the container.

The weakening line 6 provided in the trunk | drum 5 in order to cut the trunk | drum 5 formed in the site | part of 90 degrees of central angles in the clockwise direction from the center of the hinge part 2 shown in FIG. 1 is demonstrated.
As shown in FIGS. 5 to 7, the weakening line 6 is formed so that the outer wall of the body portion 5 extends in the longitudinal direction over the predetermined range W in the circumferential direction and the entire height in order to cut the body portion 5 in the longitudinal direction. While providing the recessed groove part 5c, the inner peripheral surface of the trunk | drum 5 of this range W provides the recessed groove 5d which removes the engagement protrusion 5a so that it may extend in a perpendicular direction, and forms the thin part 9. FIG. Since the groove part 5c which forms the weakening line 6 is extended in the up-down direction, the protection band 7 is not connected with the trunk | drum 5 in this part. Moreover, the trunk | drum 5 provided in a row by this thin part 9 is formed with the expansion part 5b which open | released the upper half part so that the thin part 9 may be easily torn.
In this embodiment, the structure of the weakening line 6 described above is adopted, but the structure is not limited to this structure as long as the body 5 can be easily cut.

As shown in FIGS. 2 to 4, the protective band 7 is connected at one end along the weakened line 6 provided on the body part 5, extends in a direction across the weakened line 6, and surrounds the body part 5. And is cylindrical. A gap 11 is formed between the inner peripheral surface of the protective band 7 and the outer peripheral surface of the trunk portion 5. Further, the protective band 7 has a height equal to the height of the body portion 5, surrounds the body portion 5, and conceals the body portion 5 in appearance.
Further, the range in which the protective band 7 and the body portion 5 are connected by the thin upper wall 10 is from the position of the weakening line 6 to the position in front of the hinge portion 2 in the counterclockwise direction with reference to FIG. In the range of approximately 270 degrees, and in the remaining range, it is a thick upper wall.

As shown in FIG. 1, the hinge portion 2 connects the protective band 7 and the body portion of the lid 3 at a position of approximately 45 degrees counterclockwise from the position of the weakening line 6.
Moreover, as shown in FIG.1 and FIG.8, the hinge part 2 has the bridge part 2a which has the groove | channel 2a 'for folding in half in the center part, and the fan-shaped located on both sides via the bridge part 2a. It consists of thin film portions 2b and 2b. According to the structure of the hinge portion 2, when the lid 3 is opened / closed from the cap body 1, for example, when the lid 3 is opened from the cap body 1, the lid 3 is raised vertically and lightly pushed outward. Thus, the lid body 3 naturally falls outward and can maintain a substantially horizontal posture.

As shown in FIGS. 8 to 11, the upper end of the thick upper wall to which the upper end of the protective band 7 to which the hinge portion 2 is connected and the upper end of the trunk portion 5 are connected is a circle along the trunk portion 5. with recesses 12 extending in an arc shape is formed, between the bottom and the gap 11 of the recess 12 (the gap which forms between the protective band 7 and the body 5), cleavable arcuate thin portion 15 is formed Is done. Further, substantially V-shaped upper grooves 13 and 13 ′ are provided at both ends in the circumferential direction of the recess 12 (in the vicinity of both ends of the bridging portion 2 a of the hinge portion 2) of the inner wall on the outer side (inner wall of the protective band 7). Each of the thin film portions 15 is formed in the vertical direction up to the position where the thin film portion 15 is located.

Further, a substantially V-shaped lower groove portion 16 is also formed on the outer side inner wall of the gap 11 (inner wall of the protective band 7) at a position corresponding to one upper groove portion 13.
As described above, the protective band 7 in which the upper groove portion 13 and the lower groove portion 16 are formed vertically via the thin film portion 15 is provided with a thin portion (weakening line) 17 that can divide the protective band 7 vertically. Will be formed in the direction.
Furthermore, a substantially rectangular through hole 14 in which the recess 12 and the gap 11 communicate with each other is formed in the thin film portion 15 at an inner position where the upper groove portion 13 and the lower groove portion 16 are formed.

In the embodiment of the present invention, substantially V-shaped upper grooves 13 and 13 ′ are formed at both ends in the circumferential direction of the outer side inner wall of the recess 12, respectively, and the outer side inner wall of the gap 11 is In the above description, the substantially V-shaped lower groove portion 16 is formed at a position corresponding to the upper groove portion 13, but upper groove portions are formed at both ends in the circumferential direction of the outer side inner wall of the recess 12. The lower grooves may also be formed on the outer inner walls of the gap 11 at positions corresponding to these upper grooves.

Next, the procedure for separating the cap body according to the embodiment of the present invention from the mouth of the container will be described with reference to FIGS.
When the lid 3 is first grasped by hand, the lid 3 is first pulled outward and slightly twisted, and the weakening line 17 formed inside the protective band 7 is cut in the vertical direction to divide the protective band 7. At the same time, the thin film portion 15 between the bottom of the recess 12 and the gap 11 is cut. Then, the lid 3 remains in a state of being connected to one end of the protective band 7. Subsequently, the lid 3 is pulled counterclockwise (FIG. 1) and slightly outward to protect the protective band 7. Rotate to the position of the weakening line 6 while tearing the thin upper wall 10 connecting the body portion 5 and the body portion 5. And the weakening line 6 provided in the trunk | drum 5 is cut | disconnected longitudinally, pulling the cover body 3 a little upwards outward, and the outer peripheral surface of the opening | mouth of a container can be exposed from the divided | segmented trunk | drum 5. FIG. Thereafter, the cap body can be easily pulled out and separated from the mouth of the container.

Thus, since there is no conspicuous notch etc. in the outer periphery of the protection band 7 which became cylindrical shape, since a user opens and uses the cutout lid 1a first, there is a possibility that the protection band 7 may be cut. Few.
In addition, since the user operates the operation of separating the cap body from the mouth of the container in two steps, the user accidentally pulled the lid 3 downward and provided it on the protective band 7. Even if the weakening line 17 is cut in the longitudinal direction, the cap body 1 is still in the fitted state with the mouth of the container at this stage. They will not be separated and can be used normally thereafter.

FIG. 1 is a plan view showing a cap body that can be easily separated from a container according to an embodiment of the present invention. 2 is a cross-sectional view taken along line AA in FIG. FIG. 3 is a bottom view showing a cap body that can be easily separated from the container according to the embodiment of the present invention. 4 is a cross-sectional view taken along line BB in FIG. FIG. 5 is an enlarged view of a portion C in FIG. FIG. 6 is a cross-sectional view taken along the line DD of FIG. FIG. 7 is a cross-sectional view taken along line EE of FIG. FIG. 8 is an enlarged view of a portion F in FIG. FIG. 9 is a cross-sectional view taken along the line GG in FIG. 10 is a cross-sectional view taken along line HH in FIG. FIG. 11 is an enlarged view of a portion I in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cap main body 2 Hinge part 3 Cover body 4 Spout 5 Body part 6 Weak line 7 Protective band 11 Crevice 12 Recess 13, 13 'Upper groove part 14 Through-hole 15 Thin film part 16 Lower groove part 17 Thin part (weak line)

Claims (3)

A cap body comprising a substantially cylindrical cap body having a spout that fits into a mouth of a container, and a lid body connected to the cap body via a hinge part,
The cap body is provided on the body portion, and connected to a line of weakness extending in the longitudinal direction for tearing the body portion, the end on the outer periphery of the body portion along a weakening line, straddling the line of weakness Ide A protective band that extends in a cylindrical shape so as to surround the trunk portion with a gap therebetween, and has the other end connected to the outer peripheral portion of the trunk portion , and an upper end of the protective band and an upper end of the trunk portion. A thin top wall to connect,
The hinge portion is connected to the protective band , and the upper wall connecting the upper end of the protective band and the upper end of the trunk portion in the circumferential range of the protective band to which the hinge portion is connected It is thicker than the upper wall in the range of, and on its upper surface , a concave portion extending in an arc shape along the trunk portion is provided, and a thin film portion is formed between the bottom portion of the concave portion and the gap,
A cap body that can be easily separated from a container , wherein a weakening line extending in a vertical direction is provided inside the protective band within a circumferential range in which the concave portion is formed .   The weakening lines provided on the protective band respectively form upper groove portions on the inner walls of the protective band located at both ends in the circumferential direction of the concave portion, and on the inner wall of the protective band forming the gap, the upper groove The cap body that can be easily separated from the container according to claim 1, wherein a lower groove is formed at a position corresponding to any one of the portions. 3. The container according to claim 2, wherein the thin film portion is formed with a through-hole through which the concave portion and the gap communicate with each other at a position where the upper groove portion and the lower groove portion are formed. Cap body easy to separate.

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