JP3744744B2 - cap - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cap of a container, and more particularly to an overcap adapted to cover the body of the container.
[0002]
[Problems to be solved by the invention]
In containers containing contents liquids such as cosmetics, fragrances, and medicinal liquids, labels, films, and the like on which the raw materials and usage methods are printed are attached to the body of the container.
Therefore, in the case of a small container containing an expensive content liquid, there is a problem that characters are small and difficult to read, and a specification must be attached.
In addition, in the case of content liquids that require light shielding, there is a problem that the container itself must be colored deeply or the container body must be covered with a light-shielding film or label. There was also a problem that could not be confirmed.
In order to check the remaining liquid, if you try to apply a label, etc., leaving a part of the body part, the label must be positioned and applied, which complicates the application device and process, reducing the production cost. I couldn't.
[0003]
An object of the present invention is to cover the container body with an overcap in order to solve the above-mentioned problems and to easily and efficiently manufacture a cap to increase productivity and reduce production cost. An object is to provide a new cap .
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention is a container cap comprising a mouth portion, a shoulder portion, a trunk portion, and a bottom portion as a container cap, and having a liquid dispensing device attached to the container mouth portion, The cap includes an inner lid and an overcap. The inner lid includes a fitting cylinder that is inserted into an outer cylinder of the liquid dispensing device, and an upper plate that covers the liquid dispensing device. And a top plate attached to the upper plate, and a thin cover tube having a flexible upper end portion attached to the side wall of the top plate and covering the lower part of the container body. A configuration characterized by the above is adopted.
[0005]
The liquid pouring device referred to here includes a spraying device and a discharging device having a pump, and further includes an extruded container and a pouring container having an inner cap.
In the case of an extruded container or a dispensing container, the fitting cylinder of the inner lid is fitted into the outer periphery of the inner cap.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
In FIG. 1, A is a container, B is a spraying device comprising a pump fitted in the container mouth and a sprayer attached to its stem, C is a guide cylinder of the spraying device attached to the outer periphery of the container mouth, D is a cap.
[0007]
The container A includes a mouth part 1, a shoulder part 2, a body part 3, and a bottom part 4, and is formed of glass or synthetic resin.
The cross-sectional shape of the trunk | drum 3 can be made into circular, an ellipse, a polygon, or an irregular cross section.
[0008]
Since the spraying device B is well known for the pump attached to the mouth of the container A and the sprayer attached to the stem, detailed description thereof is omitted.
[0009]
The guide tube C includes a vertical movement guide tube portion of the spraying device, and includes an outer tube 5 attached so as to be screwed to the outer periphery of the mouth portion 1. A ring 6 is provided.
[0010]
The cap D includes an inner lid D1 and an overcap D2 attached to the inner lid D1.
As shown in FIGS. 2 and 3, the inner lid D <b> 1 is connected to the fitting cylinder 7 fitted into the outer cylinder 5 and the upper end of the fitting cylinder 7, and the spray device B is installed together with the upper part of the fitting cylinder 7. And an upper plate 8 for covering.
A plurality of slits 9 extending in the vertical direction are formed at equal intervals at the lower end of the fitting cylinder 7, and fitted to a bulging ring 6 provided at the lower end of the outer cylinder 5 on the inner periphery of the lower end. The bulging part 10 to join is provided.
[0011]
When the fitting cylinder 7 is inserted into the outer cylinder 5, the lower end of the fitting cylinder 7 comes into contact with the shoulder portion 2 of the container A, and the bulging portion 10 is engaged with the lower side of the bulging ring 6.
At that time, by providing the slit 9, the bulging portion 10 at the lower end edge of the fitting cylinder 7 descends over the bulging ring 6, and the lower end portion of the fitting cylinder 7 is connected to the outer cylinder 5. It is designed to be held elastically.
[0012]
The outer periphery of the upper plate 8 extends in a flange shape on the outer periphery of the upper end of the fitting cylinder 7, and a protruding ring 11 protrudes from the upper surface of the peripheral edge.
A plurality of ribs 12 extending radially from the center portion of the upper plate are provided on the inner side of the protruding ring 11 at regular intervals.
The ribs 12 hold hot melt adhesive or other adhesive inside the protruding ring 11.
[0013]
As shown in FIG. 4, the overcap D <b> 2 includes a top plate 13 and a cover tube 14 attached to the top plate 13.
A side step wall 15 is vertically formed from the peripheral edge of the top plate 13 so as to be suspended, and the inner periphery of the upper end portion of the cover tube 14 is provided on the outer periphery of the side peripheral wall 16, and the step portion 15 is connected to the upper end edge thereof. It is attached so as to make it hit.
As a method of attachment, a well-known method of welding a container mouth portion and a tube in a tube container is applied, but it may be bonded by hot melt or adhesive.
[0014]
The cover cylinder 14 is formed into a tube shape by extrusion molding using aluminum foil or synthetic resin as a raw material, and is cut to such a length as to cover a predetermined portion of the body portion 3.
Necessary display surfaces, color patterns and the like are printed on the surface of the cover cylinder.
As a printing method, silk screen printing, offset printing, hot stamping, transfer or the like is adopted.
[0015]
Next, the effect of the cap of this invention is demonstrated.
In the cap of the present invention, the inner lid and the top plate are each formed by injection molding, and the cover tube is formed as a long tube by extrusion molding and cut into a predetermined length. In forming the cap, first, the upper surface of the upper plate of the inner lid and the back surface of the top plate are bonded, and then the inner periphery of the upper end of the cover cylinder is bonded to the outer periphery of the side wall of the top plate.
[0016]
At that time, since the protruding ring 11 and the rib 12 are provided on the upper surface of the upper plate, the hot melt adhesive and other adhesives can be held almost uniformly and flush with the entire surface of the protruding ring 11. It is possible to bond the upper plate of the inner lid and the top plate accurately and easily.
[0017]
In addition, since the cover tube is formed by cutting a long tube into a predetermined length and adhering it to the peripheral wall on the top plate side, depending on the height of the container and the light shielding required by the content liquid upon cutting The cutting length can be easily adjusted, and the thin tube is flexible, so that the cap can be easily closed even when there is a slight dimensional error in opening and closing the cap.
[0018]
Since the printing on the surface of the tube can be easily performed and the label printed on the container body is not stuck, the sticking step can be omitted.
[0019]
In the embodiment, the case is described in which the body portion is circular, and the upper plate and the top plate are circular. However, when the shape of the body portion is an ellipse, a polygon, or an irregular cross section, the extruded tube is since it has the flexibility, the inner lid top plate, the top plate of the overcap by the barrel shape and the same shape, it is possible to appropriately change the shape of the cover tube.
In particular, if the circumference is the same, a single long tube can be used when changing the shape of the container body and the overcap.
[0020]
Next, various embodiments in which the configuration or shape of the cap or container is changed will be described.
The joining of the inner lid and the overcap, in the above embodiment, so that to bond the top plate of the inner lid top and overcap with an adhesive, at equal intervals on the upper surface of the projecting ring without ribs In this case, the projections can be arranged and the top plate can be set by ultrasonic processing.
[0021]
In the embodiments, although so as to bond the top plate of the inner lid and the overcap is molded separately, it may be injection molded as a unit.
In that case, what joined the tube and the thin plate of the same shape as a top plate can also be fitted on a top plate.
[0022]
As a setting method when the top plate of the inner lid and the top plate are separated, a bulging ring is provided at the inner peripheral lower end of the side wall of the top plate and both are fitted, the inner periphery of the top plate or the top plate It is possible to provide a plurality of vertical ribs that are fitted with a certain tightening allowance on the outer periphery to fit them together, or to screw them together and screw them together.
[0023]
In the above embodiment, the spraying device is used as the liquid dispensing device for the content liquid, and the spraying device is attached to the container mouth, but the pump attached to the container mouth is used instead of the spraying device. A well-known discharge device consisting of a discharge nozzle attached to the stem, and an extruded container in which the content liquid is pushed out from the spout provided in the inner plug or inner cap by pressing the container body. You can also.
Attach an inner cap with a pouring hole to the container mouth, attach an inner cap with a cap that opens and closes the pouring hole to the container mouth, open the cap, and put a small amount of content liquid. It may be a dispensing container that is allowed to drip.
[0024]
Regarding the decoration of the surface of the cover tube, in the above embodiment, the surface of the cover tube is provided with a color pattern or the like by printing. An appropriate pattern shape such as a mountain shape can also be attached.
Moreover, you may give a pattern by an uneven surface on the upper surface of a top plate.
[0025]
In addition, when extruding the tube, a stripe pattern can also be applied by extruding to be laminated at equal intervals in the circumferential direction.When extruding with the same resin, different colored resins are alternately arranged, It can also be extruded as a single layer.
[0026]
【The invention's effect】
Since this invention is comprised as mentioned above, there exists the following effect.
Since the overcap is used to cover a predetermined portion of the body of the container, the design effect of the container can be easily enhanced by printing and decorating the overcap.
[0027]
In addition, if the content liquid needs to be used, a light-blocking overcap is used to prevent deterioration of the content liquid due to light, and when the remaining liquid is low, the remaining liquid can be easily confirmed with the cap closed. It became so.
[0028]
Since an extruded tube is used as the cover cylinder of the overcap, it can be cut to an appropriate height, printed and decorated easily.
In addition, because the cover tube is made of a thin material with flexibility and flexibility, an upper plate and a top plate are formed in accordance with the cross-sectional shape of the body portion, and the cross-sectional shape of the overcap is appropriately changed. Can do.
Moreover, since it has flexibility, the container body part can be easily closed.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional front view of a container and a cap of the present invention.
FIGS. 2A and 2B are explanatory views of an inner lid, in which FIG. 2A is a top view and FIG. 2B is a partially sectional front view;
FIG. 3 is a bottom view of the inner lid.
FIG. 4 is a partial cross-sectional front view of an overcap.
[Explanation of symbols]
A Container B Spraying device C Guide cylinder D Cap D1 Middle lid D2 Overcap 1 Mouth part 2 Shoulder part 3 Body part 4 Bottom part 5 Outer cylinder 6 Expansion ring 7 Fitting cylinder 8 Upper plate 9 Slit 10 Expansion part 11 Projection ring 12 Ribs 13 Top plate 14 Cover cylinder 15 Step 16 Side peripheral wall

Claims (1)

A cap of a container comprising a mouth part, a shoulder part, a trunk part, and a bottom part, with a liquid dispensing device attached to the container mouth part,
The cap consists of an inner lid and an overcap,
The inner lid includes a fitting cylinder that is inserted into the outer cylinder of the liquid extraction device, and an upper plate that covers the liquid extraction device.
The overcap includes a top plate attached to the upper plate, and a thin cover tube having a flexible upper end that is attached to the side peripheral wall of the top plate and covers the lower portion of the container body. A container cap characterized in that

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