JP5744616B2 - Extraction cap with anti-opening function - Google Patents

Description

  The present invention prevents the opening by sealing the inside of the mouth of the container so that the quality of the contents filled in the container can be reliably opened by the screwing operation of the spout while maintaining the quality etc. until just before use. It relates to a dispensing cap with function.

  A conventional dispensing cap with an anti-opening function has an inner tube disposed inside the container mouth portion, and is fixed to the container body by screwing the inner stopper, which is fixedly held in the mouth portion. In a cap having a cap main body (pour plug), a discharge cylinder (breaking member) is suspended inside the cap main body, while a blocking plate (partition wall) is provided inside the inner cylinder of the inner plug via a thin broken portion. ), And with the screwing of the cap body, the lower end of the discharge cylinder cuts a thin broken portion surrounding the closing plate, thereby allowing the inside of the discharge cylinder to communicate with the container body (for example, Patent Document 1). reference).

JP 2006-306414 A

  However, the conventional cap has a shape in which the lower edge of the discharge cylinder is slanted and sharply pointed, and the discharge cylinder rotates together with the cap body to cut the fracture portion surrounding the closing plate. As a result, the fractured portion may not be cut well, and the inside of the discharge cylinder may not be fully opened. In this case, the contents may remain in the container, and efficient dispensing may not be performed.

  The object of the present invention is to provide a novel opening prevention function that allows efficient dispensing without leaving the contents filled in the container while maintaining the same operation as before. The proposal is to propose a cap.

The present invention provides an inner plug that has a partition wall arranged inside the mouth of a container and is fixedly held in the mouth, and a breaker member that breaks the partition wall by screwing the inner plug. An extraction cap with an opening prevention function having a stopper, wherein the inner stopper is provided with a plurality of planned break lines radially extending from one point on the surface of the partition wall, The rupture member has a tapered external shape in which a plurality of plate-like members having inclined sides are radially connected so that the inclined sides face outward, and the tapered tip portion has an inclination angle of It is configured in a tapered shape that is larger than the other parts, and is formed with a plurality of passages between the plate-like members that allow the filling space of the container body to communicate with the outside. Taper that slopes outward toward the bottom Cylindrical portion having an inner peripheral surface is provided on the breaking member comprising a, until a plurality of plate-like members provided on the tapered surface inclined side of the plate-like member on the outer peripheral surface of each of the cylindrical body portion extending Rutotomoni, the lower end of the cylindrical body portion and is characterized in that the function as a cutting edge of the annular. Although the breaking member can be provided integrally with the pouring tap, it is preferable that the breaking member is configured as a separate body in consideration of the moldability and versatility with the pouring tap.

  In the present invention, it is preferable that a stopper ring is connected to the lower end of the pouring stopper via a portion to be broken and the pouring stopper can be screwed by removing the stopper ring. In this case, the stopper ring and the inner stopper have an inclined side allowing the screwing of the pouring tap and a vertical side preventing the screwing of the pouring tap from being loosened, and the loosening prevention means is constituted by an uneven shape that meets each other. Is preferably provided.

  Further, in the present invention, the pouring tap and the inner plug have an inclined side that allows screwing of the pouring tap and a vertical side that prevents screwing loosening of the pouring tap, and is configured to have an uneven shape that meets each other. It is preferable to provide a loosening prevention means.

  The number of planned break lines is preferably twice the number of plate members.

  Moreover, it is preferable that a fracture | rupture member has four plate-shaped members.

  According to the present invention, on the surface of the partition wall of the inner plug, while providing a plurality of planned fracture lines that radiate around one point, the fracture member that breaks the partition wall has a tapered external shape, The tip portion is configured to have a further tapered shape with a large inclination angle. Thereby, the breaking member can start to break from the connecting portion as a starting point by pressing one connecting portion of the plurality of planned breaking lines.

  Moreover, since the appearance shape of the breaking member is a tapered appearance shape in which a plurality of plate-like members having inclined sides are radially connected so that the inclined sides face outward, by screwing the spout plug, While the inclined sides of the plurality of plate-like members are sequentially rotated, by pushing in each one of the planned break lines provided on the surface of the partition wall, each of the plurality of planned break lines starts from the connecting portion. It will cut | disconnect toward the outer side of a partition wall along a fracture line. Thereby, a partition wall can be fully opened by opening radially, without producing uncut portions.

  In addition, between the plate-like members, a plurality of passages that allow the filling space of the container body to communicate with the outside world are formed, so that the contents filled in the container can be poured out to the outside through the passages. .

  Therefore, according to the present invention, it is possible to perform efficient dispensing without leaving the contents filled in the container while maintaining the same operation as the conventional one.

It is a side view which shows the bottle container which employ | adopted the hinge cap with an opening prevention function which is one form of the extraction cap with an opening prevention function of this invention. It is principal part sectional drawing of the bottle container. (a), (b) is a perspective view which shows the opening member and the inside plug which concern on the same form, respectively. (a) is a front view showing the opening member from the mating side with the inner plug according to the embodiment, and (b) is a front view showing the inner plug from the mating side with the opening member. (a) is a side view of the main part showing a state in which the stopper ring is removed according to the embodiment, and (b) is a state in which the stopper cap is removed and then the hinge cap is screwed to complete the opening. It is a principal part side view which shows a state. It is principal part sectional drawing which shows the state which screwed in the hinge cap and the opening was completed.

  Hereinafter, with reference to drawings, the extraction cap with an opening prevention function which is the present invention is explained in detail.

  Reference numeral 1 in FIG. 1 denotes a hinge cap with an opening prevention function, which is an embodiment of the present invention. As shown in FIG. 2, the hinge cap 1 with an opening prevention function is fixed to the mouth portion 41 of the container 40. The container 40 is a bottle-shaped container made of synthetic resin composed of a mouth part 41, a shoulder part 42, and a body part 43, and so-called contents can be poured out by repeated deformation and restoration of the body part 43. It is a squeeze container.

  Reference numeral 2 in FIG. 2 is an inner plug made of synthetic resin that is fixedly held in the mouth portion 41. The inner plug 2 is held and retained by hooking an inwardly protruding portion 3 a provided on the outer cylindrical wall 3 to an outwardly protruding portion 41 a provided on the mouth 41 of the container 40.

  An inner cylinder wall 5 is integrally provided at the upper end of the outer cylinder wall 3 via an annular wall 4. The inner cylinder wall 5 functions as a seal wall that seals the inside of the mouth part 41, and sandwiches the mouth part 41 together with the outer cylinder wall 3. A partition wall 7 is integrally provided on the inner cylinder wall 5 via a thin annular groove 6.

  On the surface of the partition wall 7, eight planned break lines 8 are provided. Each of the planned break lines 8 extends radially around one break planned line connecting portion 9 passing through the bottle axis O, and forms eight broken pieces 7 a defined together with the annular groove 6. The planned fracture line 8 is configured as a thin portion that can be cut by applying a certain force, for example. Thereby, the planned break line 8 can be cut outward from the planned break line connecting portion 9.

  Reference numeral 10 in FIG. 1 denotes a synthetic resin pouring plug that can be screwed into the inner plug 2. As shown in FIG. 2, the spout 10 has an outer cylinder wall 11 that surrounds the outer cylinder wall 3 of the inner plug 2, and a screw portion 3 s provided on the outer cylinder wall 3 of the inner plug 2 on the inner side thereof. A screw portion 10s that is screwed onto the screw is provided. As a result, the spout stopper 10 advances toward the container 40 by being screwed into the inner stopper 2 around the bottle axis O, and is fixed to the inner stopper 2, while the screwing into the inner stopper 2 is loosened. It can be retracted away from 40 and removed from the inner plug 2.

  A partition wall 12 is integrally provided at the upper end of the outer cylinder wall 11. The partition wall 12 is integrally provided with a dispensing cylinder 12a, and a dispensing port h for dispensing the contents through the filling space R of the container 40 to the outside is formed inside thereof.

  Reference numeral 13 denotes a lid provided integrally with the hinge portion 14. A pin member 13 a that detachably seals the spout h is integrally hung inside the lid body 13. However, according to the present invention, the lid 13 can also be configured separately. In addition, the hinge portion 14 is arranged between the two hinge main bodies 14a arranged at intervals in the lateral width direction and the hinge main bodies 14a, and applies an urging force to the lid 13 when the lid 13 is opened and closed. The connecting piece 14b is provided.

  Further, the inner cylinder wall 15 hangs integrally with the partition wall 12 inside the outer cylinder wall 11. Reference numeral C denotes a breaking member that pushes the partition wall 7 and breaks it along the planned breaking line 8 by screwing the pouring tap 10. The fracture member C has a cylindrical body portion 16 fixed to the inner side of the inner cylindrical wall 15, and a convex portion 16 a provided on the outer side of the cylindrical body portion 16 is provided on the inner side of the inner cylindrical wall 15. It is retained by being caught by the portion 15a.

  In addition, four plate-like members 17 are integrally provided inside the cylindrical body portion 16. Each of the plate-like members 17 integrally connects the shaft portion 18 disposed inside the cylindrical body portion 16 and the inner peripheral surface of the cylindrical body portion 16. Each of the plate-like members 17 has an inclined side 17e and is radially connected so that the inclined side 17e faces outward as shown in FIG. As a result, the four plate-like members 17 arranged inside the cylindrical body portion 16 have a tapered external shape as shown in FIG.

  Furthermore, the tip end portion 18a of the shaft portion 18 also has a tapered shape, and its inclination angle (inclination angle orthogonal to the bottle axis O) is larger than the inclined side 17e of the plate-like member 17 and is further tapered. ing. Thereby, the tip 18e of the shaft portion 18 becomes the tip of the breaking member C.

Furthermore, a plurality of passages P are formed between the plate-like members 17 to allow the filling space R of the container body to communicate with the outside. In this embodiment, the inner peripheral surface 16f of the cylindrical portion 16, the same diametric surface 16f ₁ equal inner diameter, composed of the tapered surface 16f ₂ that slopes outwardly toward the distal end 18a of the shaft portion 18. Each plate member 17 is provided on the tapered surface 16f _2. Accordingly, path P, along the flow path cross-sectional area increases toward the container 40, the lower end 1 6 e of the cylindrical portion 16 functions as an annular cutting edge.

  Reference numeral 20 denotes a stopper ring that prevents the spout 10 from being screwed. As shown in FIG. 1, the stopper ring 20 has a planned fracture portion 21 extending along the bottle axis O. The fracture | rupture planned part 21 is comprised as a thin part which can be cut | disconnected by applying a fixed force, for example. In addition, the stopper ring 20 is integrally provided at the lower end of the spout stopper 10 via the planned fracture portion 22. The fracture | rupture planned part 22 is also comprised as a thin part which can be cut | disconnected by applying a fixed force, for example. Thereby, the stopper ring 20 can be cut open in a strip shape as shown in FIG.

  Accordingly, as shown in FIG. 1, the spout plug 10 cannot be screwed into the inner plug 2 when the stopper ring 20 is integrally connected. As shown in FIG. 5 (b), the spout 10 can be screwed.

By the way, the symbol m ₁ in FIG. 1 is a loosening prevention means that is provided on the inner plug 2 and the stopper ring 20 and is configured with a concave and convex shape that fits each other.

In this embodiment, the loosening prevention means m ₁ related to the inner plug 2 is provided with a flange portion 19 integrally at the lower end of the outer cylindrical wall 3 and is formed as a recess 25 formed in the flange portion 19. The concave portion 25 has an inclined side 25a that allows the spout 10 to be screwed and a vertical side 25b that prevents the spout 10 from being loosened. The loosening prevention means m ₁ related to the stopper ring 20 is a convex portion 26 provided at the lower end thereof. The convex portion 26 has an inclined side 26a that allows the spout 10 to be screwed and a vertical side 26b that prevents the spout 10 from being loosened.

  According to such a configuration, even if the screwing of the spout tap 10 is attempted to be loosened without removing the stopper ring 20 (for example, rotating in the right direction in FIG. 1), the convex portion 26 provided at the lower end of the stopper ring 20 is The concave portion 25 provided in the flange portion 19 of the inner plug 2 cannot be overcome. For this reason, the pouring tap 10 cannot be removed. In addition, if it is attempted to loosen the spout stopper 10, the stopper ring 20 is twisted around the axis O with respect to the spout stopper 10, and if at least one of the planned fracture portions 21 and 22 is broken, the stopper ring 20 is already opened. Alternatively, it is possible to visually recognize whether or not an operation for opening has been performed.

Reference numeral m ₂ denotes a loosening prevention means that is provided on the inner plug 2 and the outlet plug 10 and has a concave-convex shape that meets each other.

In the present embodiment, the loosening prevention means m ₂ related to the inner plug 2 is made common with the loosening prevention means m ₁ by utilizing the recess 25 provided in the flange portion 19, while being dispensed. The loosening prevention means m ₂ related to the stopper 10 is a convex portion 27 provided at the lower end thereof. Similarly to the convex portion 26 provided on the stopper ring 20, the convex portion 27 also has an inclined side 27 a that allows the spout 10 to be screwed and a vertical side 27 b that prevents the spout 10 from being loosened.

  According to such a configuration, as shown in FIG. 5 (b), even if the stopper ring 20 is removed and the spout 10 is screwed and then the screwing is loosened, the convex portion provided at the lower end of the spout 10. 27 cannot get over the recess 25 provided in the flange portion 19 of the inner plug 2. For this reason, the pouring stopper 10 cannot be removed even after screwing into the inner stopper 2.

Further, after screwing out the spout 10 as shown in FIG. 5 (b), if the spout 10 is further screwed in, the convex portion 27 provided at the lower end of the spout 10 will be the flange portion of the middle plug 2. In some cases, it may be further screwed over the recess 25 provided in 19, but in this case, there is no problem just by contributing to the reliable breakage of the partition wall 7. In this embodiment, the loosening prevention means m ₁ and m ₂ are provided at two symmetrical positions of 180 degrees around the bottle axis O, but the loosening prevention means m ₁ is at a position where they can be aligned. , m ₂ is not limited to this.

The screwing of the spout 10 can be regulated by the lower end of the outer cylinder wall 11 coming into contact with the flange portion 19 of the inner plug 2. Moreover, the removal of the pouring stopper 10 is also formed on the flange 4a formed on the outer edge of the annular wall 4 in the inner plug 2 and the inner peripheral surface of the outer cylindrical wall 11 of the pouring stopper 10, as shown in FIG. It can regulate by catching with the made convex part 11a. Reference numeral m ₃ denotes a detent means provided on the mouth portion 41 and the outer cylindrical wall 3 of the inner plug 2. The rotation prevention means m ₃ has, for example, a plurality of external teeth 4 t provided on the outer peripheral surface of the mouth portion 41 and a plurality of internal teeth 3 t provided on the inner peripheral surface of the outer cylindrical wall 3, and are engaged with each other. Thus, the rotation around the bottle axis O is prevented.

  According to the present embodiment, a plurality of planned fracture lines 8 that radially spread around one point are provided on the surface of the partition wall 7 of the inner plug 2, while the fracture member C that fractures the partition wall 7 is the shaft portion 18. The tip 18a has a tapered shape with a larger inclination angle and a tapered shape. Thereby, the front end 8e of the front end 8a presses one point of the planned breaking line connecting part 9 so that the breaking member C can start to break starting from the planned breaking line connecting part 9 as a starting point. it can.

  Moreover, the appearance shape of the breaking member C is a tapered appearance shape in which a plurality of plate-like members 17 having inclined sides 17e are radially connected so that the inclined sides 17e face outward. 10 by screwing in each of the planned breaking lines 8 provided on the surface of the partition wall 7 while the inclined sides 17e of the plurality of plate-like members 17 are sequentially rotated. 8 is cut | disconnected toward the outer side of the partition wall 7 along the said planned breaking line 8 from the said breaking planned line connection part 9 as the starting point. Thereby, as shown in FIG. 6, the partition wall 7 is opened radially from the thin annular groove (thickness than the planned fracture line) 6 without causing any uncut portion of the planned fracture line 8. The inside of the inner cylinder wall 5 of the inner plug 2 can be fully opened.

  In addition, a plurality of passages P are formed between the plate-like members 17 to allow the filling space R of the container main body 40 to communicate with the outside, so that the contents filled in the container 40 can enter the outside through the passage P. Can be dispensed.

  Therefore, according to the present embodiment, efficient dispensing can be performed without leaving the contents filled in the container 40 while maintaining the same operation as the conventional one.

  Note that the number of the planned break lines 8 is preferably at least three, and particularly preferably twice the number of the plate-like members 17. In this case, since the two planned fracture lines 8 can be pushed during the pitch rotation between the two plate-like members 17, efficient cutting is possible.

  The number of plate members 17 is also preferably at least three, and particularly preferably four plate members 17. In this case, since the overall rigidity of the plate-like member 17 is increased, the cutting associated with screwing can be performed stably.

  The above description only shows one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, the lid 13 is not limited to the hinge lid as in the present embodiment, and can be configured separately from the spout 10. Furthermore, the fracture | rupture planned parts 21 and 22 are not limited to a thin part, As long as it can cut | disconnect with a fixed force, various things, such as a some connection piece, are employable. In addition, the configuration of the container 40 is not limited to the squeeze container, and can be applied to various containers.

  The present invention provides an inner plug that has a partition wall arranged inside the mouth of a container and is fixedly held in the mouth, and a breaker member that breaks the partition wall by screwing the inner plug. If it is a pouring cap with an opening prevention function having a stopper, it can be applied to various things.

DESCRIPTION OF SYMBOLS 1 Hinge cap with an opening prevention function 2 Inner plug 3 Outer cylinder wall 3s Thread part 4 Annular wall 5 Inner cylinder wall 6 Annular groove 7 Partition wall 8 Breaking line 9 Breaking line connection part 10 Outlet 10s Screw part 11 Outer cylinder Wall 12 Bulkhead 13 Lid 14 Hinge 14a Hinge body 14b Connecting piece 15 Inner cylinder wall 16 Cylinder 16f Cylinder inner circumference 16f ₁ Cylinder inner circumference (same diameter surface)
16f ₂ cylindrical body inner peripheral surface (tapered surface)
17 Plate-like member 17e Inclined side 18 Shaft portion 18a Shaft portion tip portion (tip portion of fracture member)
18e Shaft end (tip of break member)
19 Inner plug flange portion 20 Stopper ring 21 Expected break portion 22 Expected break portion C Break member P Passage (flow path)

Claims (6)

An inner plug having a partition wall disposed inside the mouth portion of the container and fixedly held in the mouth portion, and an extraction stopper provided with a breaking member for breaking the partition wall by screwing into the inner plug. An extraction cap with an anti-opening function,
The inner plug is provided with a plurality of planned break lines radially extending around one point on the surface of the partition wall,
The spout has a tapered external shape in which the breaking member has a plurality of plate-like members having inclined sides connected radially so that the inclined sides are outward, and the tapered tip is The angle of inclination is larger than that of the other parts, and the taper is further tapered, and a plurality of passages are formed between the plate-like members to communicate the filling space of the container body to the outside. ,
Cylindrical portion having an inner peripheral surface consisting of a tapered surface inclined outwardly toward the same diameter surface and the lower end is provided in the rupture member, said plate by a plurality of plate-like members provided on the tapered surface pouring capped opening prevention inclined side of the member extends to the outer peripheral surface of each of the cylindrical body portion Rutotomoni, the lower end of the cylindrical body portion, characterized in that it functions as a cutting edge of the annular.   3. A pouring cap with an unsealing function according to claim 1, wherein a stopper ring is connected to the lower end of the pouring tap via a portion to be broken, and the pouring tap can be screwed by removing the stopper ring. .   3. The slack according to claim 2, wherein the stopper ring and the inner stopper have an inclined side that allows screwing of the pouring tap and a vertical side that prevents screwing loosening of the pouring tap, and is configured to have an uneven shape that meets each other. An extraction cap with an anti-opening function characterized by providing a prevention means.   4. The discharge plug and the inner plug according to any one of claims 1 to 3, each having an inclined side that allows screwing of the pouring tap and a vertical side that prevents unscrewing of the pouring tap. A pour-out cap with an anti-opening function, characterized in that it is provided with means for preventing looseness composed of a concave-convex shape.   5. The pouring cap with an unsealing preventing function according to claim 1, wherein the number of planned break lines is twice the number of plate-like members.   6. A pour-out cap with an anti-opening function according to claim 1, wherein the breaking member has four plate-like members.

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