JP2558685Y2 - tube - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] Field of industrial application The present invention relates to a synthetic resin tube for accommodating toothpastes and the like, in particular, can easily perform a sealing operation of a cap, and reduce production efficiency. For an excellent tube.

2. Description of the Related Art Conventionally, as a tube made of synthetic resin, a tube composed of a sleeve body of a multilayer or single layer structure, a shoulder attached to one end of the sleeve body, and a head connected to the upper end of the shoulder is known. It is known that the shoulder and head are generally integrally molded at the same time.

The head has an outlet at the center thereof, and a cap having an internal thread is screwed into a male screw provided on the outer periphery of the head to seal the outlet.

As described above, the cap is generally formed separately from the shoulder and the head, but when formed separately as described above,
There is a problem that the number of manufacturing steps increases, the amount of resin used increases, and the cost increases. Also, the cap may be lost during use.

As a solution to such a problem, a shoulder and a head are integrally formed, and a cap which is integrally formed on the shoulder and is mounted so as to be swingable is also known.
For example, when operating the cap with one hand to seal the outlet,
The swing of the cap becomes unstable, and the cap cannot be sealed well.

In addition, as a cap for a container, for example,
No. 0351, Japanese Utility Model Application Laid-Open No. 2-45959, Japanese Utility Model Application Laid-Open No. 63-156958, etc., have developed an elastic inversion type cap, and proposed a type that is screwed into a spout of a container for use. However, there are gaps in the contact area between the cap rim and the shoulder of the container, which may cause water to enter, or the cap may fall off due to careless handling by the user or looseness of the screw when it is inadvertent. The contents could leak out.

Problems to be Solved by the Invention The present invention has been made in consideration of these points, and is a synthetic resin tube for accommodating toothpaste, which is formed integrally with a cap, so that an inexperienced infant can handle it. Even if used, it is safe without accident such as cap falling off,
The goal is to provide a tube that is easy to handle.
In particular, it is an object of the present invention to provide a tube that can operate the cap with one hand and that can reliably swing the cap to perform a stable sealing operation.

[Structure of device]

Means for Solving the Problems The tube of the present invention comprises: a) a multi-layer or single-layer synthetic resin sleeve body (11); and b) one end of the sleeve body (11) welded and attached, A shoulder (12) whose upper end is covered by an upper plate (13) having an outlet (21); and c) caps (15) for sealing the outlet (21) are arranged at predetermined intervals. The pair of connecting plates (18, 19) are swingably attached to the shoulder (12) via a pair of connecting plates (18, 19), and between the cap (15) and the shoulder (12), the pair of connecting plates ( A belt plate (20) which is arranged in the guide space between 18 and 19) and guides the oscillating movement of the cap (15); d) said outlet (21) is located between the center of the upper plate (13) and It is arranged biased to the side away from the connecting plates (18, 19), and the annular projection (14) is provided on the periphery of the outlet (21) and the cap (15 A fitting portion (16) to be fitted into the annular projection (14) is provided on the inner surface of the upper portion. E) The shoulder portion (12) includes an upper plate (13), a cap (15), and a connecting plate (18, 19). And formed integrally with the belt plate (20) from a thermoplastic resin.

However, according to the present invention, a) the cap can be sealed with one hand, so that it is easy to use. B) the cap is lost due to careless handling by the user, or the contents are lost due to the cap being dropped. No accidents such as spillage occur. C) When the user pushes out the contents, the pouring port is clearly visible, so the pouring operation is easy and the usability is good. D) The contents pushed out from the pouring port (E) The cap and the shoulder are integrally formed, so that the number of manufacturing steps can be reduced.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 to 3 show one embodiment of the tube according to the present invention.

In the figure, a tube 10 has a sleeve body 11 having a multilayer or single-layer structure, a shoulder 12 attached to an upper part of the sleeve body 11,
And an upper plate 13 having 21.

Also, on the shoulder 12, a cap 15 that seals the outlet 21 is provided.
It is swingably mounted via a pair of connecting plates 18 and 19 arranged at a predetermined interval. That is, the pair of connecting plates 18 and 19 have thin hinge portions 18a and 19a, respectively,
The hinges 18a and 19a allow the hinge to be freely bent.

The hinges 18a and 19a are spring-type hinges. When a finger is released from the cap 15, the cap 15 is moved upward by the spring-type hinges 18a and 19a.
It swings right above 13.

Further, a belt plate 20 for guiding the swinging movement of the cap 15 is provided in a guide space between the pair of connecting plates 18 and 19 by a hinge portion 20a.
It is arranged to be able to bend freely via. Ie belt plate
20 is connected to the shoulder 12 and the cap 15 and slides on the inner surfaces of the pair of connecting plates 18 and 19 to guide the cap 15 to a predetermined position on the outlet.

A projecting piece 17 protrudes from the tip of the cap 15, while a recess 29 is formed in the shoulder 12 at a location below the projecting piece 17.

Further, an annular projection 14 is provided around the outlet of the upper plate 13, while a fitting portion 16 fitted into the annular projection 14 is provided on the inner surface of the cap 15. Among them, the height of the fitting portion 16 of the cap 15 is lower than the height of the annular protrusion 14 of the upper plate 13.

In addition, among the above members, the respective members such as the shoulder portion 12, the cap 15, the connection plates 18, 19, and the belt plate 20 except for the sleeve body 11 are all made of, for example, a thermoplastic resin such as a polyethylene resin or a polypropylene resin. It is integrally molded by. The shoulder 12 is welded to the sleeve main body 11 by an appropriate method. Further, the outlet 21 is arranged at a position shifted from the center of the upper plate 13 toward the concave portion 29 (side away from the connecting plates 18 and 19). Thereby, it is devised to make it easy for a person who uses the contents to push out the spout. Further, the contents are prevented from adhering to the connecting plate.

Next, the operation of the present embodiment having such a configuration will be described.

First, when taking out the contents such as the toothpaste stored in the tube 10, a thumb (not shown) is arranged in the concave portion 29, and then the protruding piece 17 is lifted up by the tip of the thumb, and the cap 15 is lifted.
Is shifted outward (the state shown in FIG. 2). Then tube 10
The contents inside are squeezed out from the outlet 21.

When the squeezing of the contents is completed, the cap 15 can be accurately and easily sealed by returning the cap 15 to the spout direction with a finger. That is, the cap 15 can be accurately guided to a predetermined position immediately above the upper plate 13 by the effect of the spilling force of the hinge portions 18a and 19a and the effect of the belt plate 20.

Next, by pressing the upper end of the cap 15 toward the sleeve body 11 with a finger, the fitting portion 16 is fitted into the annular projection 14, and the outlet 15 can be sealed by the cap 15.

As described above, according to the present embodiment, in the guide space between the pair of connecting plates 18 and 19, the belt plate 20 that guides the cap by sliding with the inner surfaces of the pair of connecting plates 18 and 19 is provided. Therefore, the cap 15 can be accurately guided to a predetermined position on the outlet 21. Also, instead of providing a head where dirt from the outside tends to stay at the upper end of the shoulder portion 12 as in the conventional case,
Since the upper plate 13 having the outlet is provided, the accumulation of dirt from the outside can be prevented, and the tube can be used cleanly. Furthermore, since the outlet 21 of the upper plate 13 is arranged at a position away from the connecting plates 18 and 19, the toothbrush is used during use.
Does not adhere to 19. In addition, the toothbrush can be easily transferred to the toothbrush squeezed from the outlet 21 without being obstructed by the connecting plates 18 and 19.

[Effect of the invention]

As described above, according to the present invention, the cap and the tube main body are integrated, so that the cap can be sealed with one hand, which is not only convenient, but also unintentional for the user. An accident such as loss of the cap due to improper handling or leakage of the contents when the cap is dropped does not occur. Also, when the user pushes out the contents, the spout can be easily seen since the spout is clearly visible.

Furthermore, the contents extruded from the spout are hard to adhere to the pair of connecting plates, so that it is sanitary.

In addition, since the cap and the shoulder are integrally formed, there is a useful effect such that the number of steps can be reduced in manufacturing.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a tube according to the present invention, in which a cap is swung outward, FIG. 2 is a view taken in the direction of the arrow in FIG. 1, and FIG. FIG. 3 is a view showing a state in which the outlet is closed with a cap in FIG. 10 …… Tube, 11 …… Sleeve body, 12 …… Shoulder, 13
…… Top plate, 15… Cap, 18, 19 …… Connection plate, 20 ……
Belt plate, 21 ... Outlet.

Claims (1)

(57) [Scope of request for utility model registration] 1. A sleeve body (11) made of a synthetic resin having a multi-layer or single-layer structure, and an upper plate (13) having an outflow port (21) attached to one end of the sleeve body (11) by welding. And a cap (15) for sealing the outlet (21) through a pair of connecting plates (18, 19) arranged at a predetermined interval. The cap (15) is swingably attached to the shoulder (12), and is disposed between the cap (15) and the shoulder (12) in a guide space between the pair of connecting plates (18, 19). ), A belt plate (20) for guiding the swinging motion is attached, and the outlet (21) is arranged so as to be offset from the center of the upper plate (13) to a side away from the pair of connecting plates (18, 19). And an annular projection (14) provided around the periphery of the outlet (21), and a fitting portion (16) fitted into the annular projection (14) on the inner surface of the cap (15). Provided, the shoulder portion (12) is the upper plate (13), the cap (15), connecting plate (18,
Tube formed by integral molding of 19) and belt plate (20) with thermoplastic resin.