JP6511008B2 - Liquid container lid - Google Patents

Description

  The present invention relates to a liquid container lid, and more particularly to a lid suitable as an inner lid of a refill container of an airless type liquid dispenser.

  In an airless type liquid take-out device configured to contract (reduce) as the negative pressure in the liquid container is reduced as the various liquids filled in the liquid container are sucked and drawn out by the pump body, the liquid container After the liquid is used up to empty, it can be replaced with a new refilled liquid container (refill container) that is full-filled and can be used continuously (for example, see Patent Documents 1 to 3 and the like).

  In the techniques of Patent Documents 1 and 2, the liquid container is filled with various liquids, and the mouth part is prepared or sold in a state of being closed by a lid. Further, in the technology of Patent Document 3, various types of liquid are filled in the liquid container, and the liquid container is prepared or sold in a state of being closed by a sheet-like seal body joined to the mouth.

  In the replacement of the liquid container in the liquid takeout apparatus, according to the techniques of Patent Documents 1 and 2, first, the exhausted and emptied liquid container is removed from the pump body, and then the new liquid container (refill container) prepared in advance is It is carried out by attaching the pump body of the liquid takeout device to the opening of the new liquid container (refill container) after opening the opening by removing the lid.

  As described above, when replacing with a new liquid container (refill container), the liquid in the liquid container comes in contact with air by removing and opening the lid that closed the opening of the liquid container. It will end up.

  If the liquid filled by contact with air is, for example, a cosmetic solution used directly on the skin, or a food product such as a sauce, mayonnaise or edible oil, the deterioration due to oxidation etc., the reproduction of bacteria etc. It may occur.

  In addition, since the opening of the liquid container from which the lid has been removed is in the open state without a plug, when the liquid container is tilted or tilted due to inexperience or wearing of the attachment when attached to the liquid extraction device The liquid which is the contents sometimes spilled into the

  Furthermore, in the case where the liquid container is flexible, when the liquid container in the non-plugged state is gripped strongly, the liquid container may be crushed and the liquid may overflow.

  On the other hand, in the technique of Patent Document 3, the opening of the opening of the liquid container is not performed by removing the lid but by inserting the suction pipe of the pump body into the sheet-like seal body. In the liquid container having such a configuration, the liquid container has to be filled with the liquid, and then the seal body has to be joined to the mouth, and the joint of the seal body is expensive.

Japanese Utility Model Application No. 06-003459 Japanese Utility Model Application No. 06-003877 Unexamined-Japanese-Patent No. 2006-298498

  Therefore, an object of the present invention is to provide a lid for a liquid container capable of preventing, at low cost, quality deterioration due to air contact of the liquid in the refill container at the time of opening the liquid container when replacing the liquid container.

  The present invention which solves the above-mentioned subject has the following composition.

1. A flexible liquid container filled with liquid, a pump body for suctioning and pouring out the liquid in the liquid container, and a suction portion of the pump body are attached in communication with and inserted into the liquid container A suction pipe to be provided, and as the liquid in the liquid container is suctioned and poured out by the operation of the pump body, it contracts (reduces) as the negative pressure in the liquid container is reduced. A lid for closing the opening of a liquid container used in a liquid-extracting device of the airless type ,
The cover body is made of a flexible synthetic resin, and a covering portion which is integral with the main body portion fixed to the edge of the mouth portion and the main body portion and covers the opening of the mouth portion And have a department,
The cover is used in the liquid take-out device in a state of being fixed to the opening of the liquid container, and the suction pipe is pierced and pierced through the coating film section, and the coating film is coated on the outer peripheral surface of the suction pipe A liquid container lid characterized in that it has a thin film configuration that is opened in a state in which peripheral parts of perforations of the part are in close contact with each other .

2. The lid for a liquid container according to the above 1, wherein the lid is made of polyethylene.

3. The lid for a liquid container as described in 1 or 2 above, wherein the thickness of the coating film portion is 0.6 mm or less.

4. The lid for a liquid container according to any one of the above 1 to 3, wherein the main body portion of the lid body is fixed in a state of covering the outer side of the edge of the mouth portion.

5. The liquid container lid according to any one of the above 1 to 3, characterized in that the main body portion of the lid body is fixed in a state where the main body portion of the lid body enters inside the edge of the mouth portion.

6. The lid for a liquid container according to the above 4 or 5, characterized in that the fastening configuration of the body of the lid to the mouth of the liquid container is a fitted or screwed configuration. body.

7. The liquid according to 6 above, wherein the main body of the lid fitted or screwed into the opening of the liquid container is in a state of being welded, fused or adhered to the opening. Container lid.

8. The lid for a liquid container according to any one of the above 1 to 7, characterized in that the lid is an inner lid, and the inner lid has an outer lid which is attached to and covered with the opening. body.

9. The liquid container lid according to any one of the above 1 to 8, wherein the liquid container is a bottle-shaped refill container or a bag-shaped refill container.

  According to the first aspect of the present invention, it is possible to provide a lid for a liquid container capable of preventing the quality deterioration due to air contact of the liquid in the refill container at the time of opening the liquid container at the time of opening the liquid container. it can.

  In particular, the lid which closes the opening by trying on the opening of the liquid container can be opened by breaking or perforating the covering film without removing it. Air contact to the filling liquid during mounting can be avoided.

  Further, in manufacturing, it can be molded very easily by resin molding, and in use, the mouth can be closed simply by fixing the main body of the lid to the mouth of the liquid container. The cost is low compared to the configuration that seals the

  According to the second aspect of the present invention, when the suction pipe communicating with the pump body of the liquid extracting device is pierced into the coating film portion, the outer peripheral surface of the suction pipe is covered. The peripheral portions of the perforations of the covering portion come into close contact, and there is no liquid leakage or air intrusion from the perforations, and stable suction and discharge and quality retention are possible.

  According to the third aspect of the present invention, when the suction pipe communicating with the pump body of the liquid takeout device is pierced into the coating film portion, it can be easily and reliably perforated.

  According to the fourth aspect of the invention, the inner diameter of the mouth of the liquid container is not affected. Therefore, the size of the passage in this portion can be maintained.

  According to the fifth aspect of the present invention, the outer diameter of the mouth of the liquid container is not affected. Therefore, the pump body attached to the mouth can be attached without any change when attaching the liquid take-out device.

  According to the sixth aspect of the present invention, the lid can be securely fixed to the mouth of the liquid container with a simple configuration.

  According to the seventh aspect of the present invention, the lid fixed to the opening of the liquid container can be securely fixed.

  According to the eighth aspect of the present invention, since the outer lid protects at the time of shipment, transportation, storage, sale and the like, the configuration of the inner lid, in particular, the coating film portion can be made thinner.

  According to the invention as set forth in claim 9, it is possible to correspond to refill containers of various modes such as a bottle-shaped refill container and a bag-shaped refill container as a liquid container.

  According to the invention as set forth in claim 10, when the exhausted and emptied liquid container is replaced with a novel liquid container (refill container), the liquid filled in the new liquid container is virgin without air contact. It is possible to exchange while keeping the Therefore, it is possible to prevent the deterioration of the liquid filled.

Four views (an elevation view, a plan view, a bottom view, a sectional view taken along the line A-A) showing an embodiment of the lid for a liquid container according to the present invention Explanatory drawing of lid structure which shows an example of the liquid container to which the lid body for liquid containers of this invention is preferably applied. Four views showing another embodiment of a lid for a liquid container according to the present invention (a front view, a plan view, a bottom view, a sectional view taken along the line B-B) Four views showing another embodiment of a lid for a liquid container according to the present invention (a front view, a plan view, a bottom view, a sectional view taken along the line C-C) Four views showing another embodiment of a lid for a liquid container according to the present invention (a front view, a plan view, a bottom view, a sectional view taken along the line DD) Four views showing another embodiment of a lid for a liquid container according to the present invention (a front view, a plan view, a bottom view, a sectional view taken along the line E-E) Explanatory drawing which shows an example of the liquid extraction apparatus using the liquid container of FIG.

  The liquid container lid according to the present invention (hereinafter, also simply referred to as a lid) will be described in detail based on FIGS.

  The present invention relates to shampoos, conditioners, treatments and other hair products, as well as liquid soaps, cosmetic liquids, toothpastes, dish detergents, sauces, mayonnaise, edible oils, machine oils and other various liquids (gel or jelly, etc. The airless type of construction configured to contract (shrink) as the negative pressure in the liquid container is drawn as the pump body sucks and discharges the liquid from the filled liquid container). It is a lid of a liquid container used for a liquid extraction device. After emptying by suction and pouring of liquid in the liquid container, it can be replaced with a new refilled liquid container (refill container) that is fully filled and can be used continuously. It is a very suitable lid for preventing quality deterioration by closing the mouth of a novel liquid container which is a refill container and maintaining virginity.

As shown in FIG. 1 and FIG. 2, the lid 1 of the present invention is a lid that closes the opening 21 of the liquid container 2 filled with liquid,
The lid 1 is made of a synthetic resin having flexibility, and the main body 11 fixed to the edge of the mouth 21 and the body 11 are integrally configured, and the opening of the mouth 21 is And a covering film portion 12 for covering
The covering film portion 12 has a thin film configuration in which the covering film portion 12 is opened by breaking or piercing.

  Hereinafter, the configuration of the present invention will be described in more detail.

  The material constituting the lid 1 is, as described above, made of a flexible synthetic resin, preferably made of polyethylene, polypropylene, nylon or elastomer, particularly preferably polyethylene.

  As shown in FIG. 2, the main body 11 of the lid 1 is fixed to cover the outer side of the edge of the opening 21 of the liquid container 2. Further, as the fastening configuration, in the present embodiment, the fastening is performed by closely fitting. In addition to the structure fixed by close fitting, the inner surface of the main body 11 of the lid 1 is provided with a ridge or a groove, and the ridge or groove is engaged with the ridge or groove It is also preferable that the strip be provided on the outer peripheral surface of the edge of the opening 21 of the liquid container 2. The convex line may be one or a plurality of convex parts, and in this case, the concave shape is a concave part having a shape and number corresponding to the convex parts.

  As for the thickness of the covering film portion 12 of the lid 1, the thickness of the part to be broken or perforated is 0.6 mm or less, preferably 0.5 mm or less, more preferably 0.4 mm or less. The lower limit of the thickness has a problem in molding, and is 0.1 mm or more, preferably 0.2 mm or more, and more preferably 0.3 mm or more.

  By fixing the lid 1 having the above configuration to the opening 21 of the liquid container 2, the opening 21 can be closed. After the mouth 21 is closed by the lid 1, as shown in FIG. 2, the lid 1 is closed from the top by the separately prepared outer lid 3. That is, the lid 1 of the present invention functions as an inner lid. The configuration to be made is also a preferred embodiment. According to this aspect, since the mouth 21 closed by the lid 1 can be protected by the outer lid 3, the liquid container 2 filled with liquid can be shipped, transported, stored, sold, etc. Air tightness and liquid tightness can be maintained more firmly. Furthermore, by the protection by the outer lid, it is also possible to make the configuration of the lid 1, in particular, the coating film portion 12 thinner.

  The liquid container 2 in which the mouth 21 is closed by the lid 1 of the present invention is preferably a bottle-shaped refill container or a bag-shaped refill container, and a bag-shaped refill container is used in this embodiment. In addition, as the liquid container 2, as a bag used for this type of airless type, a publicly known one can be used without particular limitation, and for example, a single layer film of polypropylene film, polyethylene film, nylon film, etc. Or the bag body by the oxygen permeation suppression laminated film etc. which consist of these film laminated bodies can be mentioned.

  By fastening the lid 1 having the above configuration to the opening 21 of the liquid container 1, the opening 21 can be closed, and this closing causes the liquid container 1 to come into contact with air. It is possible to prevent oxidation and the like and to prevent the quality deterioration.

  As mentioned above, although the lid for liquid containers concerning the present invention was explained based on an example, the present invention is not limited to the above-mentioned example, and can take other modes within the scope of the present invention.

  A film (a film, a sheet, a seal) having a function to maintain liquid tightness / air tightness, and a film (a film, a sheet, a seal) having other functions are provided on the upper surface and / or the lower surface of the coating film portion 12 It can also be added.

  In the above embodiment, the lid 1 is fixed to the opening 21 of the liquid container 2 in such a manner as to cover the outside of the edge of the opening 21. However, the present invention is not limited to this arrangement. Alternatively, for example, by using the lid 1 configured as shown in FIG. 3, it may be configured to be fixed in a state in which it enters inside the edge of the opening 21.

  Further, when the lid 1 is configured to be fastened in a state in which the lid 1 is inserted into the inside of the edge of the opening 21, as shown in FIG. May be provided.

  Moreover, although it was set as the fitting structure in the said Example as a fastening structure, it can also be set as a screwing structure. In the lid 1 shown in FIG. 5, a screw configuration 11A is formed on the inner peripheral surface of the main body 11, and a screw configuration (not shown) corresponding to the screw configuration 11A is shown in the opening 21 of the liquid container 2. It is the structure formed in the outer surface of an edge. In the lid 1 shown in FIG. 6, a screw configuration 11B is formed on the inner peripheral surface of the main body 11, and a screw configuration (not shown) corresponding to the screw configuration 11B is shown in the opening 21 of the liquid container 2. It is the structure formed in the inner surface of an edge.

  Furthermore, the main body portion 11 of the lid 1 fitted or screwed into the mouth portion 21 of the liquid container 2 is welded, fused or adhered to the mouth portion 21 to make the fastening more firmly and surely. You can also.

  Furthermore, the lid 1 of the present invention is not limited to a flexible bottle-like refill container or bag-like refill container, and can be applied to publicly known and used refill containers of other configurations, and has flexibility. It can also be used to close the mouth of a liquid container made of ceramic, glass or hard synthetic resin.

  Next, a liquid takeout apparatus suitable for use in suctioning and pouring out the liquid filled in the liquid container to which the lid of the present invention is attached will be described.

As a preferable example of the liquid takeout device, the configuration shown in FIG. 7 can be mentioned.
That is, the flexible liquid container 2 filled with liquid, the pump body 4 for suctioning and pouring the liquid in the liquid container 2, and the suction part of the pump body 4 are attached in communication with the liquid And a suction pipe 5 disposed in the interior of the container 2, and as the liquid in the liquid container 2 is sucked and poured out by the operation of the pump body 4, the negative in the liquid container 2 is It is an airless liquid takeout device that shrinks (contracts) as pressure is applied. In addition, in FIG. 7, the code | symbol 6 is an outer container which consists of the lid | cover 6A and the main body 6B.

  According to the configuration in which the lid 1 of the present invention is fixed to the opening 21 of the liquid container 2 used in the liquid extraction device shown in FIG. 7, the lid 1 for closing the opening 21 of the liquid container 2 is not removed Since the coating film portion 12 can be opened by breaking or perforating, when replacing the exhausted and emptied liquid container 2 with a new liquid container 2 (refill container), the novel liquid container 2 can be opened. It is possible to exchange the liquid filled in the container while maintaining the virginity without air contact. Therefore, it is possible to prevent the deterioration of the liquid filled.

  In addition, when the suction pipe 5 communicating with the pump body 4 of the liquid takeout device is pierced into the coating film portion 12, the peripheral portion of the perforation of the coating film portion 12 is in close contact with the outer peripheral surface of the suction pipe 5. There is no liquid leakage or air intrusion from this perforated portion, and stable suction and discharge and quality retention are possible.

  In the embodiment in which the suction pipe 5 pierces the coating film portion 12, the lid 1 of the present invention is configured as an effective structure for the adhesion between the peripheral part of the perforation of the covering curtain 12 and the outer peripheral surface of the suction pipe 5. A combination formed of polyethylene or elastomer and the suction pipe 5 formed of polypropylene or hard polyethylene is preferable, and a combination of the lid 1 of the present invention made of polyethylene and the suction pipe 5 formed of polypropylene is more preferable. By forming the lid 1 of elastic polyethylene or elastomer, it is possible to facilitate the piercing of the suction pipe 5 formed of hard polypropylene, and at the same time, the surrounding part of the perforation of the coating film 12 in the pierced part is torn Therefore, the clinching property with the outer peripheral portion of the suction pipe 5 is good, and the liquid tightness and the air tightness become extremely good.

Reference Signs List 1 liquid container lid 11 main body 11A screw configuration 11B screw configuration 12 coating film portion 2 liquid container 21 opening 3 outer lid 4 pump body 5 suction pipe 6 outer container 6A lid 6B main body

Claims (9)

A flexible liquid container filled with liquid, a pump body for suctioning and pouring out the liquid in the liquid container, and a suction portion of the pump body are attached in communication with and inserted into the liquid container A suction pipe to be provided, and as the liquid in the liquid container is suctioned and poured out by the operation of the pump body, it contracts (reduces) as the negative pressure in the liquid container is reduced. A lid for closing the opening of a liquid container used in a liquid-extracting device of the airless type ,
The cover body is made of a flexible synthetic resin, and a covering portion which is integral with the main body portion fixed to the edge of the mouth portion and the main body portion and covers the opening of the mouth portion And have a department,
The cover is used in the liquid take-out device in a state of being fixed to the opening of the liquid container, and the suction pipe is pierced and pierced through the coating film section, and the coating film is coated on the outer peripheral surface of the suction pipe A liquid container lid characterized in that it has a thin film configuration that is opened in a state in which peripheral parts of perforations of the part are in close contact with each other . The lid for a liquid container according to claim 1, wherein the lid is made of polyethylene. The thickness of the said coating film part is 0.6 mm or less, The lid body for liquid containers of Claim 1 or 2 characterized by the above-mentioned. The lid for a liquid container according to any one of claims 1 to 3, characterized in that the main body of the lid is fixed in a state of covering the outer side of the edge of the mouth. The lid for a liquid container according to any one of claims 1 to 3, wherein the main body of the lid is fixed in a state where the main body of the lid enters inside the edge of the opening. The liquid container according to claim 4 or 5, characterized in that the fixing configuration of the body of the lid to the mouth of the liquid container is a fitted or screwed configuration. Lid. The body portion of the lid fitted or screwed into the opening of the liquid container is in a state of being welded, fused or adhered to the opening. Liquid container lid. The liquid container according to any one of claims 1 to 7, characterized in that the lid body is an inner lid, and the inner lid has an outer lid which is attached to and covered with the opening. Lid. The lid for a liquid container according to any one of claims 1 to 8, wherein the liquid container is a bottle-shaped refill container or a bag-shaped refill container.

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