JP2011063277A - Spout device with cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spout device with a cap which is satisfactorily molded at a low cost, the spout device being configured such that a flow passage for liquid content is formed by pressing a container, thereby allowing the liquid contents to be taken out. <P>SOLUTION: The spout device 1 with a cap includes: a spout device 10 having a cylindrical portion 11, serving as a passage for liquid contents, and a cap covering the opening of the cylindrical portion and engaged with this cylindrical portion. In the spout device 1 with a cap, the cap includes: a cap body 30 engaged with and fixed to the cylindrical portion; and an upper lid 40 engaged with the cap body so as to be detachable. The cap body includes a skirt 32 and a top plate 31. An inner ring 34 that comes into close contact with the inside of the cylindrical portion is formed on the internal face of the top plate. A liquid content discharging opening 35 is formed inward from the inner ring. A support ring 36 is formed on the internal face of the top plate on the central side relative to the liquid content discharging opening. Formed on the internal surface of the cylindrical portion is an annular flange 16 projecting inward and having a front end abutting on the external surface of the support ring. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a pouring tool with a cap comprising a pouring tool having a cylindrical portion serving as a flow path for the content liquid and a cap that covers the opening of the tubular portion and engages with the tubular portion, and more More specifically, the present invention relates to a pouring tool with a cap that allows the content liquid to be taken out by forming a flow path of the content liquid by pressing the container.

Caps used for applications such as detergents generally consist of a cap body fitted and fixed to the container mouth and an upper lid covering the opening formed in the top plate of the cap body, and a container to which such a cap is applied. Lies on the side of the cap and the cap body top plate, the contents liquid flows out, and the space inside the cap defined by the cap body and the top lid is contaminated with the contents liquid, or liquid leakage occurs. There is a risk of doing so.
Moreover, in the pouch container with a pouring tool having a lid, since there is no portion that supports the container, the content liquid may come out by inadvertently pressing the trunk of the pouch container when the lid is opened.
As a solution to such a problem, a cap having a valve mechanism including a slit that is opened by pressing (squeezing) a container has also been proposed (Patent Document 1).
In addition, it has also been proposed to employ a valve mechanism in order to prevent air from flowing back into the container that has become negative pressure by pressing the container after the content liquid is taken out (Patent Documents 2 and 3). .

JP-A-10-86961 Japanese Patent No. 3949343 Japanese Patent No. 4043682

However, the cap proposed in the above-described prior art requires a combination of a liner material or an elastic member formed separately from the cap or container, and the mechanism is complicated, so that it is sufficient in terms of formability and productivity. Not satisfied.
Accordingly, an object of the present invention is to form the cap and the container mouth part integrally with a simple structure, which is excellent in moldability and productivity, and dispenses the content liquid by a reliable valve mechanism. And providing a pouring tool with a cap that can be stopped.

  According to the present invention, there is provided a pouring tool with a cap comprising a pouring tool having a cylindrical portion serving as a flow passage for the content liquid and a cap that covers the opening of the tubular portion and engages with the tubular portion, The cap includes a cap main body engaged with and fixed to a mouth portion and an upper lid detachably engaged with the cap main body. The cap main body includes a skirt portion and a top plate portion, and an inner surface of the top plate portion has a mouth. An inner ring that is in close contact with the inner surface of the part, a content liquid discharge opening inside the inner ring, and a support ring is formed on the inner surface of the top plate part closer to the center than the content liquid discharge opening. An annular flange that protrudes inward and whose tip abuts against the outer surface of the support ring is formed on the inner surface of the cap. By making the inside of the container positive pressure, the cap body top plate is deformed into a dome shape, and the support ring Added to the deformation Cap annotation Daegu is provided, characterized in that it enables pouring of liquid contents deformed radially inward by.

In the pouring tool with a cap of the present invention,
1. Ribs connected to the inner surface of the support ring and the inner surface of the top plate portion and the inner surface of the support ring are formed.
2. A thin-walled part is formed outside the base of the support ring of the top plate part,
3. The dispensing tool has a welded portion with a pouch in the lower part of the outer surface of the tubular portion;
Is preferred.

The pouring tool with a cap according to the present invention can integrally form a cap in a combination of the cap and the pouring tool, and does not require a liner material and an elastic member, which have been conventionally required, so that the moldability and productivity are improved. Are better.
In addition, it is possible to reliably pour out and close the contents with a simple mechanism.
The container used for the pouring tool with a cap of the present invention can be a pouch or a resin bottle that can be squeezed.

It is a sectional side view of the extraction tool with a cap of this invention. It is a sectional side view of the state which opened the upper cover of the extraction tool with a cap shown in FIG. 1, and opened the valve. It is a side view of the state which closed the upper cover of the extraction tool with a cap shown in FIG. It is a bottom view of the extraction tool with a cap shown in FIG. It is a bottom view of the cap of the extraction tool with a cap shown in FIG.

A case where the pouring tool with a cap of the present invention is applied to the pouring tool with a cap shown in FIGS. 1 to 5 will be described in detail.
The pouring tool with a cap denoted as a whole by 1 generally covers the pouring tool 10 that is welded and fixed to the pouch 2, the cap main body 30 that is fitted and fixed to the pouring tool 10, and the top plate portion of the cap main body 30. The upper cover 40 is integrally formed by a cap body and a hinge 50.

Generally speaking, the pouring tool 10 includes a cylindrical portion 11 for pouring the content liquid and a welding portion 12 for welding and fixing a pouch formed on a lower portion of the outer surface of the cylindrical portion 11.
The cylindrical portion 11 has a pouring through passage 13 therein, and the content liquid in the pouch 2 is poured through the pouring through passage 13.
Further, an upper flange 14 is formed on the outer surface of the tubular portion 11 above the welded portion 12. The upper flange 14 is for gripping the pouch 2 with a cap or the pouch 2 in which the pouch with a cap is set. On the outer surface of the cylindrical portion 11, an engagement protrusion 15 for fitting and fixing a cap body to be described later is formed on the upper portion of the upper flange 14. An annular flange 16 is formed on the inner surface of the cylindrical portion 11 so as to protrude inward in the radial direction. The tip of the annular flange 16 is in close contact with the lower outer surface of the support ring of the cap body, which will be described later.

  A lower flange 17 is formed slightly below the upper flange 14 on the outer surface of the tubular portion 11, and a welded portion 12 is formed below the lower flange. The welded portion 12 is welded and fixed to the pouch 2. A plurality (three in FIG. 3) of lateral ribs 19 are formed on the welded portion 12 to which the pouch 2 is welded. The horizontal ribs 19 enable uniform welding with the pouch and improve the adhesive strength. Moreover, the welding part 12 is provided with the recessed part 20 extended upwards from a lower surface on both sides of a cylindrical part.

The cap body 30 includes a top plate portion 31 and a skirt portion 32. On the inner surface of the skirt portion 32, an engagement protrusion 33 for engaging with the engagement protrusion 15 of the extraction tool 10 described above and fixing the cap body. In addition, an inner ring 34 is formed inside the top plate portion 31, and the cap body is fitted and fixed to the pouring tool by these.
Further, a content liquid pouring opening 35 is formed inside the top plate portion 31 inside the inner ring 34, and a support ring 36 is further provided on the inner surface of the top plate portion closer to the center than the content liquid pouring opening 35. Is formed. The thickness of the top plate portion 31a defined by the support ring 36 is formed thinner than the other portion 31b, and an annular recess 37 is formed on the inner surface of the top plate portion 31 on the base ring outer peripheral side. The top plate is thinned. Further, on the inner surface side of the support ring 36, three ribs 38 that are continuous with the inner surface of the top plate portion 31 a and the inner surface of the support ring 36 are formed. The rib 38 is formed in a tapered shape so that the amount of protrusion from the inner surface of the support ring 36 decreases as it goes downward from the top plate portion.
Further, a circumferential projection 39 is provided outside the top plate portion 31 so as to surround the content liquid pouring opening 35, so that the circumferential projection 39 serves as a guide when the content liquid is poured out. The liquid can be poured out smoothly.

A circumferential lower projection 41 is formed on the inner surface of the upper lid 40 so as to be in close contact with the inner circumferential surface of the circumferential projection 39 when the upper lid 40 is closed. The dispensing opening 35 is completely closed and a good sealing performance is ensured.
As shown in FIGS. 1 and 2, the circumferential protrusion 39 provided so as to surround the planned opening portion 11 is a half-circumferential portion 39 a on the opposite side of the hinge connecting portion 50 between the cap body 30 and the upper lid 40. It is preferable that the half-circumferential portion 39b on the side of the hinge connecting portion 50 is formed with a low height. Thus, when the upper lid 40 is closed, the circumferential lower projection 41 provided on the upper lid 40 smoothly enters the circumferential projection 39, and the upper lid 40 is not prevented from turning, and the content liquid can be poured. Since the feeding is performed from the side opposite to the hinge connecting portion 50, the function of the circumferential protrusion 39 as the pouring guide is not impaired.

As shown in FIG. 1, in the pouring tool with a cap of the present invention, the tip of the annular flange 16 of the pouring tool 10 is in close contact with the lower outer surface of the support ring 36. In the state, the content liquid remains in the space formed by the pouch 2, the pouring tool 10, the support ring 36 of the cap body 30, and the top plate portion 31 of the cap body 30 defined by the support ring 36.
In the present invention, by pressing the pouch 2 to make the pressure in the space positive, the thin top plate portion 31a defined by the support ring 36 is deformed into a dome shape and follows this deformation. Thus, the lower part of the support ring 36 is deformed so as to bend inward in the radial direction. In particular, in the specific example shown in FIGS. 1 and 2, it is easy to cause the support ring 36 to deform following the deformation of the top plate portion 31 a in combination with the presence of the annular recess 37 and the rib 38.
Thus, as shown in FIG. 2, the support ring 36 is bent inward, so that a gap 3 is formed between the tip of the annular flange 16 formed in the pouring tool 10 and the outer surface of the support ring 36. Through this, the outflow to the content liquid dispensing opening content liquid 35 becomes possible. Further, if the pressing of the pouch is stopped, the support ring 36 returns to its original shape, so that the tip of the annular flange 16 and the outer surface of the support ring 36 are brought into close contact with each other, thereby ensuring liquid tightness.

The pouring tool with a cap of the present invention is not limited to the pouring tool applied to the above-described pouch or the like, and can be similarly applied as an pouring tool that is locked to the mouth of a squeezeable resin bottle.
That is, the portion of the dispensing tool in the specific example described above corresponds to the container mouth, and an annular flange is formed on the inner surface of the container mouth, and the same effect can be achieved by attaching the cap body described above. it can. Moreover, as a container, it can use suitably for what is called a squeeze bottle which can be changed easily by press.
In the specific examples shown in FIGS. 1 to 5, the upper lid is a hinge cap hinged to the cap body. However, the present invention is not limited to this, and the cap body is screw-engaged or fitted and fixed. May be removable.
Further, in the specific examples shown in FIGS. 1 to 5, the dispensing opening is formed in the cap body top plate portion in advance, but the invention is not limited to this, and the dispensing opening is provided on the outer surface side of the cap body top plate portion. Of course, it is also possible to form a score for dividing the opening and a tab for breaking the score, and to form an opening for dispensing when the use of the content liquid is started. In addition, when the extraction opening is formed in advance, it is desirable to seal the extraction opening with a sealing material such as an aluminum laminate.

  Further, the ribs connected to the inside of the support plate and the support ring, which are formed inside the support ring in order to make the deformation of the support ring following the deformation of the top plate easier, are of the example shown in FIGS. As described above, it is preferable that the amount of protrusion from the inner surface of the support ring 36 decreases as it goes downward, in terms of formability while facilitating deformation of the support ring to the inside. In addition, the longitudinal length, protrusion amount, thickness, or number of ribs cannot be unconditionally defined by the inner diameter, thickness, or longitudinal length of the support ring, but without impairing the deformation of the top plate. In terms of assisting the deformation of the support ring, the rib is thin, and the longitudinal length of the rib is 15% to 100% of the length from the thin top plate portion 31a of the support ring to the upper end of the annular flange. It is desirable to have it.

For example, in the case of the pouch with a pour tool shown in FIGS. 1 to 5, the pour tool with the cap of the present invention is a conventionally known molding method such as injection molding or extrusion molding for each of the pour tool, the cap body and the upper lid. Can be molded easily by molding them together and assembling them on the pouch.
Further, in the case of a resin bottle that can be squeezed, it can be easily assembled by locking a pouring tool with a cap formed by the same method as described above to the mouth of the resin bottle.
Further, the resin capable of constituting the pouring tool with a cap according to the present invention may be a melt-moldable thermoplastic resin conventionally used for caps, pouring tools, containers, etc., but is not limited thereto, but is not limited to polyethylene, polypropylene. Etc. can be used suitably.

  In the present invention, it is possible to provide a valve mechanism that can easily form the outflow passage of the content liquid by pressing the container, can be molded with a simple configuration with good productivity and economy, In particular, it can be suitably used as a general-purpose pouch with a pouring tool or a cap-equipped container used for liquids such as detergents.

  DESCRIPTION OF SYMBOLS 1 Pouring tool with a cap, 2 pouch, 3 space | gap, 10 pouring tool, 11 cylindrical part, 12 welding part, 13 through passage for pouring, 14 upper flange, 15 engagement protrusion, 16 annular flange, 17 lower flange, 19 Horizontal rib, 20 concave portion, 30 cap body, 31 top plate portion, 32 skirt portion, 33 engaging projection, 34 inner ring, 35 content liquid outlet opening, 36 support ring, 37 annular concave portion, 38 rib, 39 circumferential projection 40 Upper cover, 41 Circumferential downward projection, 50 Hinge connection part.

Claims (4)

A pouring tool with a cap comprising a pouring tool having a cylindrical portion serving as a flow path for the content liquid and a cap that covers the opening of the cylindrical portion and engages with the cylindrical portion, wherein the cap is tubular. A cap body engaged with and fixed to the part, and an upper lid removably engaged with the cap body,
The cap body is composed of a skirt portion and a top plate portion, an inner ring that is in close contact with the inner surface of the cylindrical portion on the inner surface of the top plate portion, an opening for discharging the content liquid inside the inner ring, and for discharging the content liquid A support ring is formed on the inner surface of the top plate part closer to the center than the opening.
An annular flange is formed on the inner side surface of the cylindrical part so as to protrude inward and the tip abuts against the outer surface of the support ring.
By making the inside of the container positive pressure, the cap body top plate part is deformed into a dome shape, and the support ring is deformed inward in the radial direction following the deformation, allowing the content liquid to be poured out. An extraction tool with a cap.   The pouring tool with a cap according to claim 1, wherein a rib is formed on the inner surface of the support ring so as to be continuous with the inner surface of the top plate portion and the inner surface of the support ring.   The pouring tool with a cap according to claim 1 or 2, wherein a thin-walled portion is formed outside the base of the support ring of the top plate portion.   The pouring tool with a cap according to any one of claims 1 to 3, wherein the pouring tool has a welded portion with a pouch at a lower portion of the outer surface of the cylindrical portion.

Images