JP5546944B2 - Squeeze container cap - Google Patents

Description

  The present invention relates to a squeeze container cap, and more particularly to a squeeze container cap that is used by being attached to a mouth portion of a container body made of plastic that can be squeezed.

  The squeeze container is a container that deforms the container body by squeezing (squeezing) the body of the container body by hand, and discharges a predetermined amount of liquid from the discharge port at the tip of the nozzle toward the discharge location. is there. In many cases, the squeeze container is usually used by detachably attaching a cap having a pouring nozzle to the mouth of the container body made of plastic that can be squeezed so that the content liquid can be replenished or replaced. In such a squeeze container, for example, after removing the outer lid covering the discharge port at the tip of the dispensing nozzle, the container body is squeezed with the gripper squeezed container tilted or inverted and the discharge port directed toward the discharge location. By doing so, a predetermined amount of the content liquid is discharged.

  When such a squeezed container is released from the squeezed state, the deformation of the container body returns to its original state, and the inside becomes negative pressure. The content liquid remaining around the outlet can be pulled back into the container body.

  On the other hand, when the squeeze container is tilted or inverted by gripping the body part of the container body, the content liquid can reach the tip of the dispensing nozzle without squeezing the container body due to the internal pressure of the container body or the weight of the content liquid. Leakage or dripping from the discharge port may occur. Such unexpected leakage or dripping of the contents can cause dirt on the exterior of the squeeze container and dirt on the hands during use. In addition, a technique for preventing leakage of content liquid and dripping of liquid by providing a trap room for collecting liquid by a hollow bottomed cylinder has been developed (see, for example, Patent Document 1).

JP 2003-226377 A

  In Patent Document 1, a liquid inflow hole for allowing the content liquid to flow into the trap room when the content liquid is poured out is located near the upper end of the peripheral wall portion of the bottomed cylindrical body provided on the lower surface side of the top surface portion of the cap. A plurality of openings are formed at intervals in the circumferential direction, and a small-diameter liquid return hole for returning the content liquid remaining in the trap room to the container body is opened at one position near the lower end of the peripheral wall portion. Is formed. Also, the pouring nozzle standing from the top surface of the cap also projects to the lower surface side of the top surface, and the lower end surface of this projecting portion opens as a spout. In the upright state, it is set to be positioned above the spout on the lower end surface of the protruding portion.

  And in patent document 1, at the time of use of a squeeze container, while holding this in an inverted state and pressing a container main body, the contents liquid flows into a trap room via a liquid inflow hole, The inflowing content liquid is accumulated beyond the spout at the lower end surface of the protruding portion of the inverted spout nozzle, and is discharged from the spout from the spout through the spout nozzle for the first time. As a result, it is possible to effectively avoid leakage and dripping of the content liquid before squeezing the container body.

  Moreover, in patent document 1, when the squeeze container is returned to the upright state after the content liquid is poured out, the content liquid remaining in the trap room is formed with a small diameter formed near the lower end of the peripheral wall portion of the bottomed cylindrical body. The liquid return hole is returned to the inside of the container body.

  However, the cap used by being attached to the squeeze container of Patent Document 1 can effectively avoid unexpected leakage and dripping of liquid before the container body is squeezed due to the presence of the trap room. Since it is a hollow part of considerable size, for example, it takes too much time for the content liquid to be discharged from the discharge port of the dispensing nozzle after squeezing the container body, or the content liquid remaining in the trap room Various troubles such as taking too much time to be collected in the container main body are caused.

  In particular, when the container body is squeezed and used without tilting the squeeze container upside down, the liquid content will not easily flow into the trap room. The time until the liquid is discharged further increases.

  The present invention can effectively avoid leakage and dripping of the contents before squeezing the container body by effectively using the trap room which is a hollow part having a considerable size, and the contents after squeezing the container body The purpose is to provide a cap for a squeeze container that can improve the ease of use by shortening the time until the liquid is discharged and the time for collecting the content liquid remaining in the trap room to the container body. To do.

  The present invention is a cap for a squeeze container that is used by being attached to a mouth part of a container body made of a plastic that can be deformed by squeeze, and that discharges the content liquid from the discharge port at the tip of the pouring nozzle by squeeze deformation of the body part of the container body. Then, on the lower surface side of the top surface portion where the pouring nozzle of the cap is erected, a trap room for collecting liquid by a hollow bottomed cylinder is provided, and at the bottom of the bottomed cylinder, An inflow / outflow opening having an opening area of 25 to 300% of the opening area of the pouring outlet to the pouring nozzle, which also serves as an inlet and an outlet for the content liquid between the container main body and the trap room, is formed. The bottom of the bottomed cylindrical body is formed with an inclined surface that slopes downwardly toward the inflow / outflow port in the upright state of the container body, and the inflow / outflow port is located at the bottom of the bottom body Most By providing a squeeze container cap which opens to the part is obtained by achieving the above object.

  According to the squeeze container cap of the present invention, it is possible to effectively avoid leakage and dripping of the liquid content before squeezing the container body by effectively using the trap room which is a hollow part of a considerable size, and the container It is possible to improve the ease of use by shortening the time from when the main body is squeezed until the content liquid is discharged and the time when the content liquid remaining in the trap room is collected in the container main body.

It is sectional drawing of the squeeze container which attached the cap for squeeze containers which concerns on preferable one Embodiment of this invention. It is sectional drawing of the cap for squeeze containers which concerns on preferable one Embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS (a) of a bottomed cylinder which comprises the squeeze container cap which concerns on preferable one Embodiment of this invention is a perspective view, (b) is sectional drawing. It is a schematic sectional drawing of the cap for squeeze containers explaining the condition which squeezes a container main body and pours out a content liquid from a spout to an extraction nozzle via a trap room. (A) is a perspective view of the bottomed cylinder which comprises the cap for squeeze containers which concerns on other embodiment of this invention, (b) is pouring from a spout through the trap room by the bottomed cylinder of (a). It is a schematic sectional drawing of the cap for squeeze containers explaining the condition which pours a content liquid to a discharge nozzle. (A), (b) is sectional drawing which illustrates the cap for squeeze containers which concerns on further another embodiment of this invention.

  The present invention will be described below based on preferred embodiments with reference to the drawings. FIG. 1 is a cross-sectional view of a squeeze container 11 to which a squeeze container cap 10 according to a preferred embodiment of the present invention is attached. As shown in FIG. 1, the squeeze container cap 10 is used by being attached to a mouth part 12 a of a container body 12 made of plastic that can be squeezed. The squeeze container cap 10 has a pouring nozzle 19 having a discharge port 13a formed at the tip, and the user holds the trunk 12b of the container body 12 to tilt or invert the squeeze container 11. Then, after the discharge port 13a at the tip of the pouring nozzle 19 is directed to the discharge location, the body portion 12b of the container body 12 is squeezed (squeezed) and the container body 12 is deformed, so that the liquid content is squeezed from the body portion 12b. The liquid can be delivered to the dispensing nozzle 19 of the cap 10 and discharged from the discharge port 13a by a predetermined amount. In addition, the squeeze container cap 10 includes a trap room 14 for collecting liquid on the lower surface side of the top surface portion 10a, so that the discharge port 13a of the pouring nozzle 19 is directed to the discharge location, and then the body portion of the container body 12 Before the squeeze 12b, the content liquid can be prevented from leaking or dripping from the discharge port 13a due to the internal pressure of the container body 12 or the weight of the content liquid. Furthermore, the squeeze container cap 10 has a function of smoothly discharging the content liquid when the body 12b is squeezed, and allows the content liquid remaining in the trap room 14 to be smoothly collected by the container main body 12. It has a function that can.

  That is, the squeeze container cap 10 according to this embodiment is used by being attached to the mouth part 12a of the container body 12 made of squeeze-deformable plastic. It is a cap for discharging the content liquid from the discharge port 13a at the tip. As shown in FIG. 2, the squeeze container cap 10 has a trap room for storing liquid by a hollow bottomed cylindrical body 15 on the lower surface side of the top surface portion 10 a where the pouring nozzle 19 of the cap 10 is erected. 14 is provided. Further, as shown in FIGS. 3A and 3B, an inflow that serves as an inlet and an outlet for the content liquid between the container main body 12 and the trap room 14 is formed on the bottom 15 a of the bottomed cylindrical body 15. An outlet 17 is formed as an opening. The inflow / outflow port 17 has an opening area of 25 to 300% with respect to the opening area of the spout 16 to the spout nozzle 19. In addition, the bottom portion 15a is formed with an inclined surface 18 that is inclined downward toward the inflow / outflow port 17 in the upright state of the container body 12, and the inflow / outflow port 17 opens to the lowermost portion of the bottom portion 15a. Yes.

  In the squeeze container cap 10 of the present embodiment, the inflow / outflow port 17 is disposed at a position shifted from the spout 16 to the spout nozzle 19 opening in the top surface portion 10a in plan view (see FIG. 1 and FIG. 1). In the cross-sectional view of FIG. 2, the inflow / outflow port 17 and the spout port 16 are disposed at positions shifted in the left-right direction). Furthermore, the spout 16 to the spout nozzle 19 opens as a lower end opening of the inner projecting portion 19a of the spout nozzle 19 that projects to the lower surface side of the top surface portion 10a.

  The content liquid that can be stored in the container body 12 includes a liquid composition to be measured and used, and examples thereof include a liquid cleaning agent for clothing, a softening agent, a bleaching agent, and a liquid bath agent. Moreover, liquid foodstuffs, such as cooking oil and a seasoning, may be sufficient.

  In the present embodiment, the container body 12 is a flexible bottle-shaped plastic container that can be squeezed and deformed. As shown in FIG. 1, the body 12 b that contains the content liquid and the body 12 b It consists of a mouth part 12a formed so as to protrude upward from the upper end part and having an upper end serving as an opening surface. A squeeze container cap 10 is detachably attached to the mouth portion 12a through various known screwing means and fitting means. Moreover, the container main body 12 can be easily formed using, for example, various known synthetic resins by, for example, blow molding.

  As shown in FIG. 2, the squeeze container cap 10 is, for example, a molded product made of plastic, and has a circular top surface portion 10a and an annular skirt shape that extends downward from the peripheral portion of the top surface portion 10a. And the peripheral wall portion 10b. The top surface portion 10a is provided with a pouring nozzle 19 protruding upward from the central portion thereof. In this embodiment, the pouring nozzle 19 is a cylindrical nozzle having an inner diameter of, for example, about 6 mm, and stands vertically from the top surface portion 10a, and the lower end portion protrudes to the lower surface side beyond the top surface portion 10a. Thus, the inner protruding portion 19a is formed. The hollow interior of the dispensing nozzle 19 serves as a discharge channel 13 for dispensing the content liquid. A discharge port 13a is formed at the tip of the pouring nozzle 19, and a spout 16 is formed at the lower end of the inner protruding portion 19a as a circular opening having an inner diameter of about 6 mm, for example.

  In addition, the discharge port 13a of the pouring nozzle 19 can be appropriately closed by various known lids (not shown) that can be opened and closed.

  Further, the annular skirt-shaped peripheral wall portion 10b of the squeeze container cap 10 is provided with, for example, an internal thread protrusion on the inner surface, and the internal thread protrusion is, for example, the outer periphery of the mouth portion 12a of the container body 12. The cap 10 is detachably attached to the mouth portion 12a by being screwed onto a male screw protrusion provided on the surface. Further, a mounting sleeve 20 that is concentrically disposed inside the peripheral wall portion 10b and projects downward from the lower surface of the top surface portion 10a is integrally provided. By mounting and locking the hollow bottomed cylindrical body 15 so as to be fitted from below on the inner side of the mounting sleeve 20, a trap room 14 for collecting liquid is formed on the lower surface side of the top surface portion 10a. . The mounting sleeve 20 may have a structure in which an annular sleeve, a plurality of locking ribs, and the like arranged concentrically on the peripheral wall portion 10b are continuously arranged in a sleeve shape in the circumferential direction. Further, a locking rib that locks the peripheral edge of the lower end of the mounting sleeve 20 when the lower cylinder 15 is fitted may be provided on the inner surface of the lower end of the mounting sleeve 20.

  As shown in FIGS. 3A and 3B, the bottomed cylinder 15 for forming the trap room 14 is, for example, a plastic molded product, and can be in close contact with the inner peripheral surface shape of the mounting sleeve 20. A cylindrical fitting peripheral wall 15b having a diameter of, for example, about 30 mm and a height of, for example, about 10 to 20 mm, and a bottom 15a in which the inflow / outflow ports 17 are formed are integrally formed. This is a hollow mounting member whose upper end is an open surface.

  In the present embodiment, the bottom portion 15a of the bottomed cylindrical body 15 is a flat inclined surface 18 inclined substantially in one direction, and is formed on the peripheral portion of the bottom portion 15a located at the lowermost portion of the inclined surface 18. The inlet / outlet port 17 is formed with an opening. As a result, the inclined surface 18 is inclined downwardly toward the inflow / outflow port 17 in the upright state of the container body 12. Further, the inflow / outflow port 17 is formed in the peripheral portion of the bottom portion 15 a of the bottomed cylindrical body 15, so that the spout port 16 to the spout nozzle 19 formed in the central portion of the top surface portion 10 a of the cap 10 is formed. Is disposed at a position shifted in plan view, and the inflow / outflow port 17 and the spout port 16 are disposed so as not to face each other.

  In the present invention, the opening area of the inflow / outflow port 17 formed in the bottom portion 15 a of the bottomed cylindrical body 15 is 25 to 300% of the opening area of the spout 16. If the opening area of the inflow / outflow port 17 formed in the bottom portion 15a of the bottomed cylindrical body 15 is too large compared to the opening area of the spout 16, a large amount of content liquid easily flows from the container body 12 into the trap room 14. Thus, the liquid storage function by the trap room 14 is not sufficiently exhibited. On the other hand, if the opening area of the inflow / outflow port 17 is too small compared to the opening area of the spout 16, it becomes difficult for the content liquid to flow into the trap room 14, and the content liquid can be smoothly smoothed even if the container body 12 is squeezed. It cannot be discharged. Further, the content liquid remaining in the trap room 14 cannot be smoothly collected by the container body 12. By setting the opening area of the inflow / outflow port 17 formed in the bottom portion 15a of the bottomed cylindrical body 15 to the above range with respect to the opening area of the spout 16, the liquid storage function by the trap room 14 to be described later, and the container body 12 The function of smoothly discharging the content liquid when the squeeze is performed and the function of smoothly collecting the content liquid remaining in the trap room 14 in the container body 12 can be effectively exhibited in a balanced manner.

  From such a viewpoint, the opening area of the inflow / outflow port 17 is preferably 50 to 250% of the opening area of the spout 16 and more preferably 75 to 200%. It is particularly preferable that the size is 100 to 150% so that the smooth discharge function of the content liquid and the function of collecting the remaining liquid in the trap room into the container body can be effectively exhibited in a balanced manner.

  According to the squeeze container cap 10 of the first embodiment having the above-described configuration, the content liquid before the container body 12 is squeezed by effectively using the trap room 14 that is a hollow part having a considerable size. Leakage and dripping can be effectively avoided, and the time from when the container body 12 is squeezed until the contents liquid is discharged, and the contents liquid remaining in the trap room 14 are collected in the container body 12. It is possible to shorten the time taken to improve the usability.

  That is, according to the squeeze container cap 10 of the present embodiment, the trap room 14 with the bottomed cylindrical body 15 is provided on the lower surface side of the top surface portion 10 a, and the pouring nozzle 19 is provided on the bottom portion 15 a of the bottomed cylindrical body 15. An inflow / outflow port 17 having an opening area of 25 to 300% of the spout 16 is formed in an opening, and the inflow / outflow port 17 is in an upright state of the container body 12 at the bottom 15 a of the bottomed cylindrical body 15. An inclined surface 18 is formed to incline toward the bottom, and the inflow / outflow port 17 opens at the bottom of the bottom portion 15a. Thus, when the squeeze container 11 is used, for example, when the content liquid is discharged by squeezing the container main body 12 with the pouring nozzle 19 disposed and tilted downward, the squeeze container 11 is tilted. For a short period of time, for example, about 1 to 3 seconds before squeezing, as shown in FIG. 4, the content liquid directed from the container body 12 to the pouring nozzle 19 is passed through the inflow / outflow port 17 at an appropriate flow rate. Into the trap room, which is a hollow part of a considerable size, so that the liquid can be temporarily retained and retained. Leakage and dripping can be effectively avoided.

  In addition, when the container body 12 is squeezed, the content liquid flows into the trap room 14 through the inflow / outflow port 17 at an appropriate flow rate, and a considerable amount of the liquid already stays in the trap room. Then, by squeezing the container body 12, the content liquid is quickly filled around the spout 16 to the spout nozzle 19 and flows into the spout 16, thereby passing through the discharge passage 13 and the discharge port 13 a. The content liquid can be discharged smoothly.

  Further, when the squeeze operation is released and the squeeze container 11 is returned to the upright state, the content liquid remaining in the trap room 14 flows along the inclined surface 18 at the bottom of the bottom portion 15a. As a result, the liquid is smoothly collected toward the container body 12 from the inflow / outflow port 17 having a considerable opening area.

  Moreover, in this embodiment, since the inflow / outflow port 17 is disposed at a position shifted from the spout 16 to the spout nozzle 19 in a plan view, when the squeeze container 11 is used, Even when tilted at a steep inclination or upside down, it is possible to avoid the flow of the content liquid directed directly from the inflow / outflow port 17 to the spout port 16, thereby causing the trap room 14 to The liquid storage function can be exhibited more effectively.

  Furthermore, in this embodiment, the bottom portion 15a of the bottomed cylindrical body 15 is substantially flat as a flat inclined surface 18 inclined in one direction, and the peripheral edge of the bottom portion 15a located at the lowest portion of the inclined surface 18 Since the inflow / outflow port 17 is formed in the portion, the squeeze container 11 is tilted so that the inflow / outflow port 17 of the bottom portion 15a of the bottomed cylindrical body 15 is disposed on the lower side, for example, as shown in FIG. When the container body 12 is squeezed, a sufficiently large liquid silence space can be secured in the trap room 14 below the spout 16 to the discharge nozzle 19 and the liquid silence space is provided. The space above the non-contributing spout 16 can be made smaller, which makes it possible to discharge the content liquid more smoothly.

  Furthermore, in this embodiment, since the spout 16 to the spout nozzle 19 is opened as a lower end opening of the inner projecting portion 19a of the spout nozzle 19 that projects to the lower surface side of the top surface portion 10a, Since the content liquid flowing in from 17 does not flow directly toward the spout 16 but stays in the trap room 14 and is discharged, liquid dripping can be suppressed.

  FIG. 5A shows a bottomed cylindrical body 15 ′ for forming the trap room 14 on the lower surface side of the top surface portion 10 a constituting the squeeze container cap according to another embodiment of the present invention. According to this other embodiment, the portion other than the bottomed cylinder 15 ′ of the squeeze container cap has the same configuration as the squeeze container cap 10 of the above embodiment, and the bottomed cylinder 15 ′ The squeeze container cap 10 according to the above embodiment has a configuration substantially similar to the bottomed cylindrical body 15. That is, in the squeeze container cap of this other embodiment, the bottomed cylindrical body 15 ′ is composed of a bottom portion 15 a and a peripheral wall portion 15 b, and the bottom portion 15 a is a flat inclined surface 18 that is substantially entirely inclined in one direction. An inflow / outflow port 17 is formed in the lowermost portion of the inclined surface 18. Further, as shown in FIG. 5 (b), the bottom portion 15a of the bottomed cylinder 15 ′ is provided at a portion between the inlet / outlet port 17 and the spout port 16 disposed at a position shifted in plan view. A barrier 21 having an arcuate cross-sectional shape is preferably provided so as to stand up to a height position exceeding the lower end opening (the spout 16) of the inner projecting portion 19a of the spout nozzle 19.

  In addition, the squeeze container cap of the other embodiment has the same effect as the squeeze container cap 10 of the above embodiment, and the inflow / outflow port 17 disposed at a position shifted in plan view, By providing the barrier 21 at the portion between the outlet 16, the squeeze container 11 is tilted so that, for example, the inflow / outflow port 17 of the bottom 15 a of the bottomed cylindrical body 15 is disposed on the upper side, and the container body When squeezing 12, the flow of the content liquid directly directed from the inlet / outlet port 17 to the spout 16 is blocked by the barrier 21, so that unexpected leakage of the content liquid or liquid before the squeeze container 11 is squeezed It is possible to more effectively avoid sagging.

  The present invention is not limited to the above embodiments, and various modifications can be made. For example, the spout to the spout nozzle does not necessarily have to open to the inner projecting portion that projects to the lower surface side of the top surface. Further, it is not always necessary to provide a barrier at a portion between the inlet / outlet and the spout disposed at a position shifted in plan view, and the barrier has a flat cross-sectional shape other than the circular arc cross-sectional shape, for example. It may be a thing.

  Furthermore, the inclined surface formed at the bottom of the bottomed cylindrical body does not necessarily have to be an inclined surface that is inclined in one direction, and the inflow / outlet opening at the bottom of the bottom is not It is not necessarily required to be formed at one location on the peripheral portion of the. For example, as shown in FIG. 6A, the inclined surface 18 is a mortar-shaped inclined surface that is inclined downward from the periphery of the bottom portion 15a of the bottomed cylindrical body 15 toward the center portion, and the inflow / outflow port 17 is An opening can also be formed in the central portion of the bottom portion 15a. In FIG. 6A, the pouring nozzle 19 is formed at a position shifted from the center of the circular top surface portion 10 a of the cap 10 toward the peripheral side with respect to the inflow / outflow port formed at the center portion. For example, as shown in FIG. 6B, the inclined surface 18 is a mound-shaped inclined surface inclined downward from the center of the bottom portion 15a toward the peripheral portion, and the inlet / outlet port 17 is a peripheral portion of the bottom portion. It is also possible to form openings at two locations.

DESCRIPTION OF SYMBOLS 10 Cap for squeeze container 10a Top surface part 11 Squeeze container 12 Container main body 12a Neck part 13 Discharge flow path 13a Discharge port 14 Trap room 15, 15 'Bottomed cylinder 15a Bottom part 15b Bottomed cylinder body fitting Peripheral wall portion 16 Outlet 17 to the discharge nozzle Inflow / outflow port 18 Inclined surface 19 Outlet nozzle 19a Inner protruding portion 20 Mounting sleeve 21 Barrier

Claims (2)

A squeeze container cap that is used by being attached to the neck of a container body made of squeeze-deformable plastic, and that discharges the content liquid from the discharge port at the tip of the dispensing nozzle by squeeze deformation of the body of the container body
On the lower surface side of the top surface portion where the pouring nozzle of the cap is erected, there is provided a trap room for liquid storage with a hollow bottomed cylindrical body,
An opening area of 25 to 300% of the opening area of the spout nozzle to the spout nozzle, which also serves as the inlet and outlet of the content liquid between the container body and the trap room at the bottom of the bottomed cylinder An inflow / outflow opening having an opening is formed,
The bottom of the bottomed cylindrical body is formed with an inclined surface inclined downward toward the inflow / outflow in the upright state of the container body, and the inflow / outflow is at the bottom of the bottom. open and,
The spout to the spout nozzle opens as a lower end opening of the inner projecting portion of the spout nozzle that projects to the lower surface side of the top surface portion,
A barrier is provided at a portion between the inflow outlet and the spout from the bottom of the bottomed cylindrical body to a height position exceeding the lower end opening of the inner projecting portion of the spout nozzle. and it is squeeze container cap. The squeeze container cap according to claim 1, wherein the inflow / outflow port is disposed at a position shifted from a spout to the spout nozzle that opens in the top surface portion in plan view.

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