JP3593213B2 - Synthetic resin spout - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a spout made of synthetic resin.
[0002]
[Prior art]
A flange is placed on the top surface of the mouth and neck of the container body, a peripheral wall hanging down from the outer periphery of the flange is fitted to the outer surface of the mouth and neck, and the spout cylinder is raised from the upper surface of the inner periphery of the flange. Also, a spout made of synthetic resin is known.
[0003]
[Problems to be solved by the invention]
Recently, in order to reuse synthetic resin materials, it is necessary to separate and collect them for each material. Synthetic resin containers are often formed of different synthetic resin materials for the container main body and the spout, so that for separation and recovery, the spout can be easily removed from the container main body at the time of container disposal. Is desirable.
[0004]
However, since it is troublesome to remove the spout during use of the container, there is no danger that the spout will fall out during use of the container, and it is necessary to adopt a configuration that can be easily removed only at the time of disposal.
[0005]
The present invention is provided to satisfy the above-mentioned need, and the spout according to claim 1 is provided with a suitable number of spouts formed by opening a groove in the peripheral wall of the spout to be fitted to the outer surface of the neck of the container body. A split groove is provided, which facilitates detachment from the mouth and neck by expanding the inner diameter of the peripheral wall by elastic deformation of the spout peripheral wall, and has a break line to prevent the inner diameter of the peripheral wall from expanding when the container is used. The short pipe is fitted to the outer surface of the spout surrounding wall, and after the container is used, the short pipe is removed by cutting the breaking line, and a knob is attached to the side of the breaking line to cut the breaking line. It was easy.
[0007]
According to a second aspect of the present invention, there is provided a spout provided substantially in the same manner as the spout according to the first aspect, wherein a break line is spirally provided around the short pipe so that the spout with the short pipe is provided. Even if the outer wall of the stopper is forcibly fitted to the outer surface of the mouth and neck of the container body, the break line is provided so as not to be broken, and the pressing pieces are located above and below a part of the tube wall from the upper and lower ends of the break line. With this arrangement, when the pressing piece is pressed in the opposite direction, one end of the breaking line is cut, so that the short tube can be easily removed.
[0008]
[Means for Solving the Problems]
As a first means, the flange 3 is placed on the top surface of the mouth and neck of the container body, the peripheral wall 4 hanging from the outer periphery of the flange is fitted to the outer surface of the mouth and neck, and from the upper surface of the inner periphery of the flange. In the spout 2 made of synthetic resin, which stands the pouring cylinder 8,
In the peripheral wall 4, a vertical groove 21 is opened in the lower surface of the peripheral wall and an appropriate number of holes are formed, and a short pipe 23 made of a synthetic resin is fitted to the outer surface of the peripheral wall 4 so as to be unable to be pulled out by engaging the concave and convex engaging means. engaged, the tube wall of the short tube 23, provided with by tilting the break line 22 from the tube wall lower surface to the upper surface, and attaching a knob piece 26 on one side edge of the該破disconnection, the 該摘seen piece 26, The tube was protruded along the outer surface of the tube wall portion on the other side edge of the breaking line.
[0010]
As a second means , the flange 3 is placed on the top surface of the mouth and neck of the container body, the peripheral wall 4 hanging from the outer periphery of the flange is fitted to the outer surface of the mouth and neck, and the inner periphery of the flange is fitted. In the spout 2 made of synthetic resin, which stands up the spouting tube 8 from the upper surface of the part,
In the peripheral wall 4, an appropriate number of vertical dividing grooves 21 are opened on the lower surface of the peripheral wall, and
A short pipe 23 made of a synthetic resin is fitted to the outer surface of the peripheral wall 4 so as not to be able to be pulled out by an engaging means having irregularities,
In the short pipe 23, first break lines 22 a and 22 a are formed in a short direction substantially vertically downward and upward starting from both upper and lower surfaces of a part of the pipe wall, and
A second break line 22b is provided around the pipe wall portion between both ends of the first break line, and both ends of the second break line are connected to the ends of the first break lines 22a, 22a,
Further, knobs 26, 26 having rigidity capable of breaking the first break lines 22a, 22a by pressing are protruded outwardly from the side edges of the first break line at the lower end and the upper end of the second break line. did.
[0013]
In the peripheral wall 4, an appropriate number of vertical dividing grooves 21 are opened on the lower surface of the peripheral wall, and
A short pipe 23 made of a synthetic resin is fitted to the outer surface of the peripheral wall 4 so as not to be able to be pulled out by an engaging means having irregularities,
[0014]
In the short pipe 23, first break lines 22a, 22a are shortly drilled substantially vertically downward and upward starting from the upper and lower surfaces of a part of the pipe wall, and
[0015]
A second break line 22b is provided around the pipe wall portion between both ends of the first break line, and both ends of the second break line are connected to the ends of the first break lines 22a, 22a.
[0016]
In addition, knobs 26, 26 having rigidity capable of breaking the first breaking lines 22a, 22a by pressing are protruded outward from the side edges of the first breaking line at the lower end and the upper end of the second breaking line. did.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
First, the embodiment shown in FIGS. 1 to 3 will be described. A spout 2 made of synthetic resin is fitted to the mouth and neck of a container 1. The spout plugs hang down the peripheral wall 4 from the outer periphery of the flange 3 placed on the upper end surface of the mouth and neck of the container body, fit the peripheral wall to the outer surface of the mouth and neck, and engage the peripheral wall at the lower end inner surface. The ridge 5 is engaged with the lower surface of the ridge 6 provided on the outer periphery of the upper end of the mouth and neck. Further, the seal cylinder 7 fitted to the inner surface of the mouth and neck portion from the inner periphery of the flange is hung down, and the pouring tube 8 is opened from the upper surface of the inner periphery of the flange so as to open the upper end upward and outward. In the illustrated example, the lower half of the pouring cylinder has a large outer diameter, and the screw portion 9 for cap screwing is attached to the outer surface of the lower half of the pouring cylinder. An obstruction plate 10 is provided laterally on the inner surface of the lower end of the pouring cylinder, and a thin break line 11 is provided around the obstruction plate, and the obstruction plate portion surrounded by the break line is formed as a removal plate portion. The connecting piece 12 is erected from a part thereof, and the pull ring 13 is provided laterally at the upper end of the connecting piece. However, a closing plate or the like is not necessarily required.
[0018]
A cap 31 is screwed onto the top of the spout 2.
In the present invention, an appropriate number of the vertical grooves 21 are formed in the peripheral wall 4 of the above-described spout 2 by opening the peripheral wall 4 to the lower end surface thereof. A short tube 23 made of a synthetic resin with a break line 22 was fitted to the outer surface of the peripheral wall so as not to be able to be pulled out by means of uneven engagement means. It is preferable that a plurality of the vertical grooves 13 are formed at substantially equal intervals up to the upper portion of the peripheral wall 4. In the illustrated example, inward flange-shaped projections 24 and 25 are attached to the upper and lower ends of the short pipe 23 as engagement means, the upper projections are concaves formed at the upper end of the peripheral wall, and the lower projections 25 are peripheral walls. 7, the engaging means may be formed by engaging concave and convex ridges on the outer surface of the peripheral wall 4 and the inner surface of the short pipe 23 as shown in FIG. Good.
[0019]
As shown in FIGS. 2 and 3, the short pipe 23 is provided with a break line 22 inclined from the lower surface to the upper surface of the tube wall, and a knob 26 is attached to one side edge of the break line to break the knob. It protrudes along the outer surface of the tube wall portion on the other side edge of the line.
[0020]
In the short pipe 23 shown in FIG. 4, two thin break lines 22, 22 are formed substantially in parallel from the lower surface of the tube wall to the upper surface thereof at appropriate intervals, and from the lower end of the tube wall portion between the two break lines. Although the knob 26 is hung downward, the knob may protrude upward from the upper end of the tube wall between the break lines. It is desirable that a concave streak as a non-slip is provided laterally on the inner surface of the knob.
[0021]
The embodiment shown in FIGS. 5 to 7 shows an example in which the spout 2 and the cap 31 are integrally formed via a so-called three-point hinge 27. The lower end portion of the cap peripheral wall 28 is provided so as to be fitted into a concave portion provided on the outer surface of the upper end portion of the spout plug peripheral wall 4. The spout plug peripheral wall 4 has a large thickness just below the concave portion. An outer diameter portion 29 and a thin outer diameter portion 30 immediately below the large outer diameter portion are formed as a thin small outer diameter portion 30. A vertical groove 21 is formed in the small outer diameter portion, and a short pipe is connected to the outer surface of the small outer diameter portion. 23 are fitted via uneven engagement means. Other parts are almost the same as those in the first embodiment. However, it does not have a cap screw thread portion.
[0022]
The short pipe 23 is formed by piercing the first break lines 22a, 22a in a short direction substantially vertically downward and upward starting from both upper and lower surfaces of a part of the pipe wall, and a pipe wall between both ends of the first break lines. A second break line 22b is provided around the portion, and both ends of the second break line are connected to the ends of the first break lines 22a, 22a. In addition, from the side edges of the first break line below the upper end below the lower end of the second break line, the knobs 26, 26 having rigidity protrude outward from the side so that the first break lines 22a, 22a can be broken by pressing. are doing.
[0023]
When removing the spout 2 from the mouth and neck of the container body, in the case of the embodiment shown in FIGS. 1 to 3, with the cap 31 removed or without removing it, hold the knob 26 and pull strongly toward the base of the knob. If the break line 22 is cut as shown in FIG. 3, the short tube 23 can be removed. Next, when the pouring tap 2 is pulled upward without the cap 31 or with the cap fitted, the peripheral wall 4 is provided with the vertically dividing grooves 21 so that the peripheral wall portion between the vertically dividing grooves is formed. The spout 2 can be easily removed from the mouth and neck of the container body by elastic deformation.
[0024]
In the case of FIG. 4, the short tube 23 is broken by holding the knob 26 and pulling it in the direction opposite to the side where the knob is pierced. Thereafter, the spout is removed in the same manner as in the first embodiment. You can remove it.
[0025]
In the case of the embodiment shown in FIGS. 5 to 7, for example, the thumbs and the forefinger are put on the side surfaces of the upper and lower knobs 26, 26 on the side of the first breaking lines 22a, 22a and pressed in opposite directions. Since one or both of the first breaking lines are cut, the knob 26 on the side where the first breaking line is cut is drawn in the opposite direction to the other knob to cut the second breaking line 22b and cut the short pipe 23. Can be removed.
[0026]
【The invention's effect】
The present invention has the above-described structure, and the spout made of synthetic resin according to claim 1 is provided with a suitable number of spout plugs formed on the spout plug peripheral wall 4 fitted to the outer surface of the neck of the container body on the lower surface of the peripheral wall. A vertical groove 21 is formed, and a synthetic resin short tube 23 having a break line 22 with a knob 26 for separating the tube wall is fitted to the outer surface of the peripheral wall 4 so as not to be able to be pulled out by engagement of the concave and convex engaging means. because I engaged, it is possible to short pipe 23 easily removed from the casting decene peripheral wall 4 the outer surface by disconnecting the tube wall by cutting the drawn broken line 22 strongly above the tab 26, one side of the break line Since the knob 26 is attached to the edge and the knob protrudes along the outer surface of the tube wall portion on the other side of the cutting line, the knob does not become an obstacle. In addition, since the peripheral wall of the spout plug fitted to the outer surface of the mouth and neck of the container body by removing the short pipe is also opened to the lower surface of the peripheral wall and a vertical groove is formed, the peripheral wall between the vertical grooves is elastically deformed. The spout 2 can be easily removed from the outer surface of the mouth and neck.
[0028]
The pouring plug according to the third aspect has the effect of the pouring plug according to the first aspect. In addition, the pipe wall is provided with two break lines 22, 22 in parallel with the lower surface of the pipe wall being spaced from the upper surface by an appropriate distance. Since the knob 26 protrudes upward or downward from one of the upper and lower surfaces of the tube wall portion between the two breaking lines, the knob hits another object as in the case of the spout according to claim 2. And the cutting line can be easily cut.
[0029]
Since the knobs 26, 26 of the spout according to the second aspect project from above and below a part of the tube wall, the pressing pieces are pressed in opposite directions to break the first breaking lines 22a, 22a. Since the second break line 22b is provided between the ends of the first break line, the short pipe 23 is fitted to the outer surface of the peripheral wall 4 and the outer surface of the container body is closed. Even when the peripheral wall of the spout is forcibly fitted, the broken line is extended as compared with the case where the broken line is provided on a part of the tube wall, so that the short pipe does not increase in diameter. Can be securely tightened.
[Brief description of the drawings]
FIG. 1 is a half sectional view of the spout of the present invention.
FIG. 2 is an exploded perspective view of the spout of FIG. 1;
3 is a perspective view for explaining a method of removing the spout shown in FIG. 1 fitted to the mouth and neck of the container body.
FIG. 4 is a perspective view showing, in another embodiment, a short pipe used for the spout of the present invention.
FIG. 5 is a perspective view of a spout of the present invention shown in still another embodiment.
6 is an exploded perspective view of the spout of FIG. 5;
FIG. 7 is an enlarged sectional view of a main part of the spout shown in FIG. 5;
[Explanation of symbols]
2 ... pouring tap 8 ... pouring cylinder 21 ... vertical groove 22 ... breaking line 23 ... short pipe

Claims (2)

The flange 3 is placed on the top surface of the mouth and neck of the container body, the peripheral wall 4 hanging from the outer periphery of the flange is fitted to the outer surface of the mouth and neck, and the spout cylinder 8 is placed on the upper surface of the inner periphery of the flange. In the erecting spout 2 made of synthetic resin,
In the peripheral wall 4, a vertical groove 21 is opened in the lower surface of the peripheral wall and an appropriate number of holes are formed, and a short pipe 23 made of a synthetic resin is fitted to the outer surface of the peripheral wall 4 so as to be unable to be pulled out by engaging the concave and convex engaging means. engaged, the tube wall of the short tube 23, provided with by tilting the break line 22 from the tube wall lower surface to the upper surface, and attaching a knob piece 26 on one side edge of the該破disconnection, the 該摘seen piece 26, Protruded along the outer surface of the tube wall on the other side of the breaking line
A spout made of synthetic resin. The flange 3 is placed on the top surface of the mouth and neck of the container body, the peripheral wall 4 hanging from the outer periphery of the flange is fitted to the outer surface of the mouth and neck, and the spout cylinder 8 is inserted from the upper surface of the inner periphery of the flange. In the spout 2 made of synthetic resin that stands up,
In the peripheral wall 4, an appropriate number of vertical dividing grooves 21 are opened on the lower surface of the peripheral wall, and
A short pipe 23 made of a synthetic resin is fitted to the outer surface of the peripheral wall 4 so as not to be able to be pulled out by an engaging means having irregularities,
In the short pipe 23, first break lines 22 a and 22 a are formed in a short direction substantially vertically downward and upward starting from both upper and lower surfaces of a part of the pipe wall, and
A second break line 22b is provided around the pipe wall portion between both ends of the first break line, and both ends of the second break line are connected to the ends of the first break lines 22a, 22a,
Further, knobs 26, 26 having rigidity capable of breaking the first break lines 22a, 22a by pressing are protruded outwardly from the side edges of the first break line at the lower end and the upper end of the second break line. A spout made of rigid resin.

Images