JP3327362B2 - Liquid dispense cap - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid pouring cap used for pouring soy sauce or the like.

[0002]

2. Description of the Related Art As disclosed in, for example, Japanese Utility Model Application Laid-Open No. 4-74649, a peripheral wall for fitting an outer surface of a container body neck and neck is hung down from an outer peripheral portion of a lower surface of a top plate. Generally, a cap is formed in which a top plate portion above a container body opening formed by an upper end is formed in a concave portion, and a nozzle hole is formed in both front and rear portions of an upper peripheral surface of the top plate from both front and rear portions of an inner peripheral wall upper surface forming the concave portion. It is used.

[0003]

In the liquid dispensing cap having the above structure, after the liquid is dispensed, the liquid adhering to the inside of the nozzle hole tends to be incompletely sucked back, and the adhering liquid dries as it is. As a result, the diameter of the nozzle hole is reduced, and in addition, the liquid shortage at the time of discharging the liquid becomes incomplete, and the liquid dripping easily occurs.

The present invention is provided so that the liquid remaining in the nozzle hole can be reliably sucked back into the container.

[0005]

Means for Solving the Problems A peripheral wall 5 for fitting the mouth and neck of the container body is suspended from an outer peripheral portion of a lower surface of the top plate 4, and a packing 7 mounting portion is left on an outer periphery of a top plate portion surrounded by the peripheral wall. A concave portion 8 having a lower surface opening is formed in the inner top plate portion. Nozzle holes 10 and 10 inclined obliquely upward and outward are provided in both front and rear portions of the concave wall surface 9 and both front and rear portions of the outer peripheral wall surface of the top plate. And a small groove 1 for liquid withdrawal which is continuous with the bottom surface of the nozzle hole and the peripheral wall surface portion of the recess below the inner end surface of the nozzle hole.
1 and 11 are further provided, and guide pieces 12 and 12 for liquid withdrawal are suspended from the lower end of the concave peripheral wall portion at the lower end of the small groove, and at least one surface of the guide piece and a part of the wall surface on which the small groove is formed are flush with each other. It was continued. From the outer peripheral portion of the lower surface of the top plate 4, the peripheral wall 5 for fitting the mouth and neck of the container body is hung down, and a packing 7 mounting portion is left around the outer periphery of the top plate portion surrounded by the peripheral wall, and a lower surface opening is formed in the top plate portion inside the portion. A concave portion 8 is formed, base cylinder portions 15 and 15 are protruded downward and inward from both front and rear portions of the peripheral wall surface 9 of the concave portion, and the base cylinder portion cylindrical holes are formed to extend to both front and rear portions of the outer peripheral wall surface of the top plate. Nozzle holes 10 and 10 which are inclined upward and obliquely, and small grooves 11 and 11 for liquid withdrawal are formed along the bottom surface of the nozzle holes, and guide pieces 12 and 12 for liquid withdrawal are suspended from the inner ends of the grooves. Then, at least one surface of the guide piece and a part of the wall surface on which the inner end of the small groove was formed were made to be flush with each other.

[0006]

In the first embodiment shown in FIGS. 1 and 2, when the container body 1 is returned to the upright state after the liquid is poured, the liquid remaining in the nozzle holes 10, 10 is removed by the nozzle holes 10, 10. Since it is inclined upward and outward, it flows back into the container, and the liquid remaining on the inner wall surface of the nozzle hole gradually collects in the small grooves 11, 11 formed at the bottom of the nozzle hole due to gravity and cohesive force, The liquid flows out toward the inner end side of the nozzle hole, further passes through the small groove portion formed in the peripheral wall surface of the concave portion continuously with the inner end of the small groove, flows down along the side surface of the liquid reflux guide piece 12, and flows from the lower end of the guide piece into the container body. To be dropped.

[0007] In the second embodiment shown in FIGS. 6 and 7, the same applies to the second embodiment. In the case of the second embodiment, the base tubes 15, 15 are moved downward and inward from the front and rear portions of the concave dividing wall 9. Since the protruding cylindrical hole is formed inside the nozzle holes 10, 10, the position of the guide pieces 12, 12 can be separated from the inner surface of the container body neck portion 2, so that the guide pieces gather at the lower end of the guide piece and gradually become larger in diameter. Can be reliably dropped into the container body, and since the outer surface of the guide piece approaches the inner wall surface of the mouth and neck, the liquid to be dropped adheres to both the guide piece and the inner wall surface of the mouth and neck. The adhesive force prevents the dropping, so that the function of trying to pull back from the nozzle hole into the container is not hindered.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first embodiment shown in FIGS. 1 and 2 will be described. Reference numeral 1 denotes a container body for erecting a mouth-and-neck portion 2, into which a liquid discharging cap 3 according to the present invention is fitted. Have been combined. The cap hangs down a peripheral wall 5 for fitting the mouth and neck from the outer peripheral portion of the top plate 4, forms a packing fitting groove 6 on the outer periphery of the top plate portion surrounded by the peripheral wall, and fits a packing 7 into the groove. In addition, a narrow non-perforated portion is provided between the groove and the inner periphery of the groove, and a concave portion 8 having a lower surface opening is formed in a top plate portion surrounded by the non-perforated portion. The packing fitting groove 6 and the non-perforated portion are not always necessary, and the peripheral wall 5 is formed as usual.
The packing may be fitted to the inner surface at the upper end of the peripheral wall by providing an engaging ridge on the inner surface of the upper part of the packing and engaging the outer peripheral lower surface of the packing with the engaging ridge.

Nozzle holes 10 and 10 which are inclined obliquely outward are formed between the upper surface of the front and rear portions of the peripheral wall surface 9 of the concave portion and the both upper and lower portions of the outer peripheral wall surface of the top plate 4. Further, small grooves 11 for drawing back the liquid are formed in the bottom surface of the nozzle hole, and the small grooves hang down continuously on the peripheral wall surface of the concave portion below the inner end surface of the nozzle hole. Further, in the illustrated example, the liquid withdrawal guide pieces 12, 12 hang down from the peripheral wall portion of the concave portion having the small groove lower end, and the small grooves are continuously formed on the inner surface of the guide piece to the lower end. However, the guide piece may be any as long as it guides the liquid flowing down through the small groove 11 directly downward and drops the liquid from the lower end thereof. , 12 and one side are made continuous. An appropriate gap is provided between the guide pieces 12 and 12 and the inner surface of the mouth and neck of the container body so that the drops flowing down to the lower end of the guide piece 12 are dropped without touching the inner surface of the mouth and neck. As shown in FIG. 3, the guide pieces 12, 12 may have a concave cross-sectional shape in which the small groove portion is directly hung, and as shown in FIG. 4, only the bottom wall portion of the small groove may be hung. As shown in FIG. 5, only the small groove side wall portion may be hung.

In the embodiment shown in FIGS. 6 and 7, the guide pieces 12, 12 are provided so that they can be securely separated from the inner surface of the mouth and neck of the container body. The nozzle holes 10 and 10 are formed by projecting the base cylinder portions 15 and 15 downwardly and inwardly, and extending the bores of the base cylinder portion to both the front and rear portions of the outer peripheral wall surface of the top plate so as to be inclined upward and outward. did. As in the first embodiment, small grooves 11 for liquid withdrawal are formed in the bottom surface of the nozzle hole, and guide pieces 12 for liquid withdrawal 12 are formed from the inner ends of the small grooves.
Is suspended so that at least one surface of the guide piece and the wall surface on which the inner end of the small groove is formed are flush with each other. Other structures are the same as those of the first embodiment.

[0011]

According to the present invention, the nozzle holes 10, 10 are inclined obliquely upward and outward, and the liquid drawing-out small grooves 11, 11 are formed on the bottom surface of the nozzle holes. The small groove is continuous with the peripheral wall of the concave portion below the inner end of the nozzle hole, and the liquid return guide pieces 12, 12 are suspended from the concave peripheral wall at the lower end of the small groove. And a part of the small groove lower part forming wall surface were made to be flush with each other.
Due to gravity and cohesive force, it is pulled down into the small grooves 11, 11 and descends in the small grooves, and further gathers at the lower ends of the guide pieces along the guide pieces 12, 12, and gradually increases in diameter due to surface tension. When the gravitational force of the droplet having a diameter larger than the adhesive force to the lower end of the guide piece becomes large, the drop leaves the lower end of the guide piece and falls into the container body.
The liquid remaining on the inside of the nozzle hole can be greatly reduced by reducing the diameter of the nozzle hole by drying it as it is while remaining adhered to the inside of the nozzle hole.

Further, according to the invention of claim 2, the base cylinder portions 15, 15 are projected downward and inward from both front and rear portions of the peripheral wall surface 9 of the concave portion, and the cylinder holes of the base cylinder portion are extended to the front and rear portions of the outer peripheral wall surface of the top plate. Nozzle holes 10, 10 are formed by extending and extending obliquely upward. Liquid drawing back grooves 11, 11 are formed along the bottom surface of the nozzle holes, and a liquid drawing back guide piece 12 is formed from the inner end of the groove. , 12 are suspended, and at least one surface of the guide piece and a part of the inner wall surface at the inner end of the small groove are made continuous to be flush with each other. Even if there is, the gap between the inner wall surface of the mouth and neck of the cap fitting container body and the guide pieces 12 and 12 does not approach each other, and thus, as in the case where the gap is small, up to the lower end of the guide piece. Drops that have descended and increased in diameter also adhered to the inner surface of the mouth and neck, and due to surface tension, the guide pieces and the inner wall of the mouth and neck Between the guide piece and the mouth and neck, and the liquid stored between the guide piece and the mouth and neck is dried as it is and adheres to the surface of the liquid. The effect of sucking back the adhered liquid is not hindered.

[Brief description of the drawings]

FIG. 1 is a half sectional view of a cap of the present invention, which is shown in a state where a mouth and a neck of a container body are fitted.

FIG. 2 is a bottom view of the cap of FIG. 1;

FIG. 3 is a development view of a main part of FIG. 1;

FIG. 4 is a development view showing a main part of FIG. 3 in another embodiment.

FIG. 5 is a development view showing a main part of FIG. 3 in still another embodiment.

FIG. 6 is a half cross-sectional view showing a cap of the present invention in a state where the mouth and neck of the container body are fitted to each other in another embodiment.

FIG. 7 is a bottom view of the embodiment cap of FIG. 6;

[Explanation of symbols]

 8 ... recess 10 ... nozzle hole 11 ... small groove 12 ... guide piece

Claims (2)

(57) [Claims] 1. A peripheral wall 5 for fitting a container body and neck from a lower peripheral portion of a lower surface of a top plate 4 and a packing 7 mounting portion is left on an outer periphery of a top plate portion surrounded by the peripheral wall to leave a top plate inside the partial plate. A recess 8 having a lower surface opening is formed in a portion thereof, and nozzle holes 10 and 10 which are inclined obliquely outward are formed in both portions of the top plate between the front and rear portions of the recess wall surface 9 and the front and rear portions of the top plate outer peripheral wall. At the same time, liquid drawing back grooves 11 and 11 are formed continuously with the bottom surface of the nozzle hole and the recessed peripheral wall portion below the inner end surface of the nozzle hole.
A liquid dispensing cap characterized in that at least one surface of the guide piece and a part of the wall surface on which the small groove is formed are flush with each other. 2. A peripheral wall 5 for fitting the mouth and neck of the container body is hung down from an outer peripheral portion of a lower surface of the top plate 4, and a packing 7 mounting portion is left on an outer periphery of a top plate portion surrounded by the peripheral wall to leave a top plate inside the partial plate. A concave portion 8 having a lower surface opening is formed in a portion thereof, and base cylinder portions 15 and 15 are protruded downward and inward from both front and rear portions of the peripheral wall surface 9 of the concave portion. The nozzle holes 10 and 10 extend obliquely upward and obliquely upward to form small grooves 11 and 11 for liquid withdrawal along the bottom surface of the nozzle holes, and guide pieces for liquid withdrawal from the inner ends of the grooves. A liquid pouring cap, wherein at least one surface of the guide piece and a part of the wall surface on which the inner end of the small groove is formed are flush with each other.