JP6599414B2 - Liquid container lid - Google Patents

Description

  The present invention relates to a lid for a liquid container, and more particularly to a lid suitable as an inner lid of a refill container of an airless type liquid take-out device.

  In the airless type liquid take-out device configured to contract (shrink) as the negative pressure in the liquid container is reduced as the various liquids filled in the liquid container are sucked and dispensed by the pump body, the liquid container After the liquid is used up until it becomes empty, it can be replaced with a fully-filled new refilling liquid container (refill container) (see, for example, Patent Documents 1 to 3).

  In the techniques of Patent Documents 1 and 2, the liquid container is prepared or sold in a state where various liquids are filled and the mouth is closed by a lid. In the technique of Patent Document 3, various liquids are filled in a liquid container, and the liquid container is prepared or sold in a state of being closed by a sheet-like sealing body joined to a mouth portion.

  In the technique of Patent Documents 1 and 2, the replacement of the liquid container in the liquid take-out apparatus is performed by first removing the liquid container that has been used up and emptied from the pump body, and then replacing the newly prepared liquid container (refill container). After opening the mouth by removing the lid, the pump body of the liquid take-out device is attached to the mouth of the new liquid container (refill container).

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

  If the liquid filled by contact with the air is, for example, a cosmetic liquid used directly on the skin, or a food product such as a sauce, mayonnaise, or cooking oil, quality deterioration due to oxidation or propagation of germs may occur. May occur.

  In addition, since the mouth of the liquid container with the lid removed is open without opening, when the liquid container is tilted or overturned due to unfamiliarity or carelessness when mounting it to the liquid take-out device In some cases, the liquid content was spilled.

  Further, when the liquid container is flexible, the liquid container may be crushed and the liquid may overflow when the non-plugged liquid container is strongly grasped.

  On the other hand, in the technique of the patent technique 3, the opening of the mouth of the liquid container is configured not to remove the lid, but to open by opening the suction pipe of the pump body into the sheet-like seal body. In the liquid container having such a configuration, it is necessary to join the seal body to the mouth portion after filling the liquid container with the liquid, and the joining of the seal body is expensive.

Japanese Utility Model Publication No. 06-003459 Japanese Utility Model Publication No. 06-003877 JP 2006-298498 A

  Accordingly, an object of the present invention is to provide a lid for a liquid container that can prevent quality deterioration due to air contact of liquid in a refill container at the time of opening when replacing the liquid container.

  The present invention for solving the above problems has the following configuration.

1. A flexible liquid container filled with a liquid, a pump body that sucks and dispenses the liquid in the liquid container, and is attached to the suction part of the pump body in a communicating state and is inserted into the liquid container. A suction pipe provided, and as the liquid in the liquid container is sucked and dispensed by the operation of the pump body, it contracts (shrinks) with the negative pressure in the liquid container. A lid that closes the mouth of a liquid container used in an airless type liquid take-out device ,
The lid is made of a synthetic resin having flexibility, and includes a main body portion fixed to an edge of the mouth portion, and a coating film portion that is a separate member from the main body portion. A configuration in which the opening of the mouth portion is covered with the covering film portion fixed to the main body portion (except that the lid body is an integrated configuration in which the main body portion and the covering film portion are integrally formed. ) And
When the coating film part is used in the liquid take-out device while the lid is fixed to the mouth of the liquid container, the suction pipe is pierced into the coating film part and is opened and opened. In addition, a lid for a liquid container, characterized in that the peripheral part of the perforation of the coating film part is in close contact with the outer peripheral surface of the suction pipe and is made of a film capable of maintaining the liquid-tightness and air-tightness of the puncture site .

2. 2. The lid for a liquid container as described in 1 above, wherein the main body of the lid is made of polyethylene.

3. 3. The lid for a liquid container according to 1 or 2 above, wherein the coating film portion of the lid is composed of a laminated film including an unstretched nylon film and a polyolefin resin film.

4). 4. The liquid container lid according to any one of 1 to 3 above, wherein the thickness of the coating film portion is 0.1 mm or less.

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

6). The lid for a liquid container according to any one of the above 1 to 4, wherein the main body of the lid is fixed in a state of entering the inside of the edge of the mouth.

7. 7. The lid for a liquid container according to 5 or 6 above, wherein the fastening structure of the main body of the lid body to the mouth of the liquid container is a fitted state or a screwed state. body.

8). 8. The liquid according to 7 above, wherein the main body portion of the lid body fitted or screwed into the mouth portion of the liquid container is in a state of being welded, fused, or bonded to the mouth portion. Container lid.

9. 9. The liquid container according to claim 1, wherein the lid is an inner lid, and the outer lid has an outer lid that is fixed to the mouth and covered. Lid.

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

11. The main body of the lid has an annular configuration substantially similar to the mouth of the liquid container, and the opening of the annular configuration is configured to be closed by the coating film portion. The lid for a liquid container according to any one of 10.

  According to the first aspect of the present invention, it is possible to provide a lid for a liquid container that can prevent a reduction in quality due to air contact of liquid in a refill container at the time of opening when replacing the liquid container. it can.

  In particular, the lid that closes the mouth by fitting on the mouth of the liquid container can be opened by breaking or perforating the coating film without removing it. Air contact with the filling liquid during installation can be avoided.

  Furthermore, in manufacturing, it can be made very easily by adhering a coating film part to a resin-molded main body part, and in use, the body part of the lid is simply fixed to the mouth part of the liquid container. Since the mouth portion can be closed, the cost is lower than that of the configuration in which the mouth portion is sealed.

  According to the second aspect of the present invention, not only can it be manufactured at low cost, but also when the suction pipe communicating with the pump body of the liquid take-out device is pierced into the coating film portion, the outer peripheral surface of the suction pipe is covered Since the peripheral portion of the perforation of the covering portion is in close contact, there is no liquid leakage or air intrusion from the perforated portion, and stable suction and discharge and quality maintenance are possible.

  According to the invention shown in claim 3, it is easy to maintain liquid tightness and air tightness.

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

  According to the invention shown in claim 5, there is no influence on the inner diameter of the mouth of the liquid container. Therefore, the size of the liquid passage in this part can be maintained.

  According to the sixth aspect of the present invention, the outer diameter of the mouth of the liquid container is not affected. Therefore, it is possible to attach the pump body attached to the mouth portion without any change when it is attached to the liquid take-out device.

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

  According to the invention shown in claim 8, the lid body fixed to the mouth of the liquid container can be reliably fixed.

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

  According to the invention shown in claim 10, it is possible to deal with various forms of refill containers such as bottle-shaped refill containers and bag-shaped refill containers as liquid containers.

  According to the invention shown in claim 11, it can be manufactured at a low cost with a simple configuration.

  According to the twelfth aspect of the present invention, it is possible to keep liquid tightness and air tightness at a low cost.

  According to the invention as set forth in claim 13, when the liquid container which has been used up and emptied is replaced with a new liquid container (refill container), the liquid filled in the new liquid container does not come into air contact with the air. Exchange is possible while keeping Therefore, it is possible to prevent the quality of the filled liquid from being deteriorated.

  According to the invention shown in claim 14, it is extremely suitable as a lid of a liquid container used for an airless type liquid take-out container.

The 4th page figure (front view, top view, bottom view, AA line sectional view) which shows one Example of the lid | cover for liquid devices which concerns on this invention Explanatory drawing of the lid | cover structure which shows an example of the liquid container to which the cover body for liquid containers of this invention is applied preferably FIG. 4 is a four-side view (front view, plan view, bottom view, cross-sectional view taken along line BB) showing another embodiment of the lid for a liquid device according to the present invention. FIG. 4 is a four-side view (a front view, a plan view, a bottom view, and a cross-sectional view taken along the line CC) showing another embodiment of the lid for a liquid device according to the present invention. FIG. 4 is a four-side view (front view, plan view, bottom view, DD cross-sectional view) showing another embodiment of the liquid device lid according to the present invention. FIG. 4 is a four-side view (front view, plan view, bottom view, EE cross-sectional view) showing another embodiment of the liquid device lid according to the present invention. Explanatory drawing which shows an example of the liquid extraction apparatus using the liquid container of FIG. FIG. 4 is a four-side view (front view, plan view, bottom view, FF cross-sectional view) showing another embodiment of a liquid device lid according to the present invention. FIG. 4 is a four-side view (front view, plan view, bottom view, GG cross-sectional view) showing another embodiment of the liquid device lid according to the present invention. FIG. 4 is a four-side view (front view, plan view, bottom view, HH line cross-sectional view) showing another embodiment of the liquid device lid according to the present invention. FIG. 4 is a four-side view (front view, plan view, bottom view, II cross-sectional view) showing another embodiment of the lid for liquid device according to the present invention.

  The liquid container lid according to the present invention (hereinafter sometimes simply referred to as a lid) will be described in detail with reference to FIGS.

  The present invention includes shampoos, conditioners, treatments, other hair products, liquid soaps, cosmetic liquids, toothpastes, dish detergents, sauces, mayonnaise, edible oils, machine oils, and other various liquids (such as gel or jelly) Of the airless type that is contracted (reduced) in accordance with the negative pressure in the liquid container as the liquid is sucked and dispensed by the pump body from the filled liquid container. It is a cover body of the liquid container used for a liquid extraction apparatus. After it has been emptied due to the suction and extraction of the liquid in the liquid container, it can be replaced with a new full refill liquid container (refill container) and used continuously. It is a very suitable lid for preventing deterioration in quality by closing the mouth of a new liquid container, which is a refill container, to maintain virginity.

As shown in FIGS. 1 and 2, the lid 1 of the present invention is a lid that closes the mouth 21 of the liquid container 2 filled with liquid,
The lid body 1 is made of a synthetic resin having flexibility, and has a main body portion 11 fixed to an edge of the mouth portion 21 and an opening of the mouth portion 21 in a state of being fixed to the main body portion 11. A coating film portion 12 to be coated,
The coating film portion 12 has a thin film configuration in which it is opened by rupture or perforation.

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

  As described above, the material constituting the main body 11 of the lid 1 is made of a flexible synthetic resin, preferably made of polyethylene, polypropylene, nylon, or elastomer, and particularly preferably made of polyethylene. It is.

  The main body 11 of the lid 1 of the present embodiment shown in FIGS. 1 and 2 has an annular configuration substantially similar to the mouth 21 of the liquid container 2, and the opening of the annular configuration is the coating film portion 12. It is the structure obstruct | occluded by. That is, in this embodiment, since the mouth portion 21 has a circular opening, the main body portion 11 has a circular annular structure.

  Moreover, the main body 11 of the lid 1 is configured to be fastened in a state of covering the outer side of the edge of the mouth 21 of the liquid container 2 as shown in FIG. Moreover, as a fixation structure, it is set as the structure fixed by closely fitting in a present Example. In addition to the structure that is fastened by closely fitting, a convex strip or a concave strip is provided on the inner surface of the main body 11 of the lid 1, and the concave strip or the convex is engaged with the convex strip or the concave strip. It is also preferable that the strip is provided on the outer peripheral surface of the edge of the mouth portion 21 of the liquid container 2. In addition, a 1 or several convex part may be sufficient as a protruding item | line, In this case, a concave shape turns into the shape and number of recessed parts corresponding to this convex part.

  Next, it is preferable that the coating film part 12 of the lid 1 is composed of a laminated film including an unstretched nylon film and a polyolefin resin film.

  Moreover, as thickness of the coating film part 12 of the cover body 1, the thickness of the part to be fractured or perforated is preferably 0.1 mm or less. In addition, about the minimum of thickness, it is the range which can form into a film.

  Furthermore, the coating film portion 12 of the lid 1 is configured to be fixed to the main body 11, and examples of the fixing means include thermal welding, thermal fusion, and adhesion.

  By closing the lid body 1 having the above configuration on the mouth portion 21 of the liquid container 2, the mouth portion 21 can be closed. After closing the mouth portion 21 with the lid body 1, a configuration in which the lid body 1 is closed from above the lid body 1 as shown in FIG. 2, that is, the lid body 1 of the present invention functions as an inner lid. The configuration to be made is also a preferable mode. According to this aspect, the mouth portion 21 closed by the lid body 1 can be protected by the outer lid 3, so that the liquid container 2 filled with liquid can be shipped, transported, stored, sold, etc. The air tightness and liquid tightness can be more firmly maintained. Furthermore, by the protection by the outer lid, it is possible to make the configuration of the lid 1, particularly the coating film portion 12 thinner.

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

  By fixing the lid body 1 having the above configuration to the mouth portion 21 of the liquid container 1, the mouth portion 21 can be closed. By this closing, the liquid container 1 is filled with air by contact with air. Oxidation etc. can be prevented and quality deterioration can be prevented.

  As mentioned above, although the liquid container lid according to the present invention has been described based on the embodiments, the present invention is not limited to the above-described embodiments, and other modes can be adopted within the scope of the present invention.

  For example, in the above-described embodiment, the lid 1 is fixed to the mouth 21 of the liquid container 2, and the lid 1 is fastened in a state of covering the outer side of the edge of the mouth 21. For example, by using the lid body 1 having the configuration shown in FIG. 3, it is also possible to adopt a configuration in which the lid body 1 is fixed in a state of entering the inside of the edge of the mouth portion 21.

  Further, when the cover 1 is fixed in a state where the cover 1 is inserted inside the edge of the mouth portion 21, the covering film portion 12 is not above the main body portion 11 but below the body portion 11 as shown in FIG. 4. It may be fixed to.

  In addition, as the fastening configuration, the fitting configuration is used in the above embodiment, but a screwing configuration may be used. The lid 1 shown in FIG. 5 has a screw configuration 11A formed on the inner peripheral surface of the main body 11, and a screwed configuration (not shown) corresponding to the screw configuration 11A is provided on the mouth 21 of the liquid container 2. It is the structure formed in the outer surface of an edge. The lid 1 shown in FIG. 6 has a screw configuration 11B formed on the inner peripheral surface of the main body 11, and a screwed configuration (not shown) corresponding to the screw configuration 11B is provided on the mouth 21 of the liquid container 2. It is the structure formed in the inner surface of an edge.

  Further, the main body 11 of the lid body 1 fitted or screwed into the mouth 21 of the liquid container 2 is welded, fused or bonded to the mouth 21 to make the fastening more firm and reliable. You can also.

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

  Next, a description will be given of a liquid take-out apparatus suitable for use in sucking and dispensing the liquid filled in the liquid container to which the lid of the present invention is fixed.

A preferred example of the liquid take-out device is the configuration shown in FIG.
That is, the flexible liquid container 2 filled with the liquid, the pump body 4 for sucking and dispensing the liquid in the liquid container 2, and the liquid body 2 attached in communication with the suction portion of the pump body 4 A suction pipe 5 inserted and disposed inside the container 2, and as the liquid in the liquid container 2 is sucked and dispensed by the operation of the pump body 4, the negative in the liquid container 2 is This is an airless type liquid take-out device that shrinks (shrinks) with pressure. In FIG. 6, reference numeral 6 denotes an outer container composed of a lid 6A and a main body 6B.

  According to the configuration in which the lid 1 of the present invention is fixed to the mouth 21 of the liquid container 2 used in the liquid take-out device shown in FIG. 6, the lid 1 that closes the mouth 21 of the liquid container 2 is not removed. Since the coating film portion 12 can be opened by rupturing or perforating, the new liquid container 2 can be opened when the used liquid container 2 is replaced with a new liquid container 2 (refill container). The liquid filled in can be replaced while maintaining the virginity without contacting with air. Therefore, it is possible to prevent the quality of the filled liquid from being deteriorated.

  Further, when the suction pipe 5 communicating with the pump body 4 of the liquid take-out device is pierced into the coating film part 12, the peripheral part of the perforation of the coating film part 12 comes into close contact with the outer peripheral surface of the suction pipe 5. There is no liquid leakage or air intrusion from the perforated portion, and stable suction and discharge and quality maintenance are possible. In particular, when a laminated film including an unstretched nylon film and a polyolefin-based resin film is used as the coating film portion 12, the suction pipe 5 is pierced from the start of suction / pour-out until the entire amount of liquid in the liquid container 2 is used up. The liquid tightness and air tightness of the part can be reliably maintained.

  The liquid container lid 1 of the present invention shown in the embodiment shown in FIGS. 1 to 7 has an annular configuration in which the main body 11 is substantially similar to the mouth 21 of the liquid container 2. Although the opening of the annular configuration is configured to be closed by the coating film portion 12, the present invention does not exclude the configuration shown in FIG.

  That is, the configuration shown in FIG. 8 is a configuration in which the main body 11 of the lid 1 is fixed to the edge of the mouth 21 of the liquid container 2 and covers the opening of the mouth 21. The covering film portion 12 is overlaid on the portion 11C covering the opening, and this overlying portion has a thin film structure that is opened by rupture or perforation. According to the configuration shown in FIG. 8, it is possible to keep liquid tightness and air tightness at a low cost.

  As the thickness of the portion 11C covering the opening of the mouth portion 21, the thickness of the portion 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 molding problem and is 0.1 mm or more, preferably 0.2 mm or more, more preferably 0.3 mm or more.

  Further, in the embodiment shown in FIG. 8, the coating film portion 12 is configured to be overlaid on the upper surface side of the portion 11C covering the opening of the mouth portion 21, but as shown in FIG. The configuration may be such that the lower surface side of the portion 11C covering the opening of the portion 21 is overlaid.

  Further, as shown in FIG. 10, the cover 1 is fixed in a state where the cover 1 enters the inside of the edge of the mouth portion 21, and a portion 11 </ b> C covering the opening of the mouth portion 21 is a main body portion. A configuration in which the covering film portion 12C is provided on the portion 11C covering the opening of the mouth portion 21 is also included in the present invention.

  Furthermore, in the embodiment shown in FIG. 10, the coating film portion 12 is configured to overlap the lower surface side of the portion 11 </ b> C covering the opening of the mouth portion 21, but as shown in FIG. 11, the coating film portion 12 is The configuration may be such that the upper surface side of the portion 11C covering the opening of the mouth portion 21 is overlaid.

DESCRIPTION OF SYMBOLS 1 Liquid container lid 11 Main body part 11A Screw structure 11B Screw structure 11C The part which coat | covers opening of the opening part of a liquid container 12 Coating | coated film part 2 Liquid container 21 Mouth part 3 Outer cover 4 Pump body 5 Suction pipe 6 Outer container 6A Lid 6B Body

Claims (11)

A flexible liquid container filled with a liquid, a pump body that sucks and dispenses the liquid in the liquid container, and is attached to the suction part of the pump body in a communicating state and is inserted into the liquid container. A suction pipe provided, and as the liquid in the liquid container is sucked and dispensed by the operation of the pump body, it contracts (shrinks) with the negative pressure in the liquid container. A lid that closes the mouth of a liquid container used in an airless type liquid take-out device ,
The lid is made of a synthetic resin having flexibility, and includes a main body portion fixed to an edge of the mouth portion, and a coating film portion that is a separate member from the main body portion. A configuration in which the opening of the mouth portion is covered with the covering film portion fixed to the main body portion (except that the lid body is an integrated configuration in which the main body portion and the covering film portion are integrally formed. ) And
When the coating film part is used in the liquid take-out device while the lid is fixed to the mouth of the liquid container, the suction pipe is pierced into the coating film part and is opened and opened. In addition, a lid for a liquid container, characterized in that the peripheral part of the perforation of the coating film part is in close contact with the outer peripheral surface of the suction pipe and is made of a film capable of maintaining the liquid-tightness and air-tightness of the puncture site . 2. The liquid container lid according to claim 1, wherein the main body of the lid is made of polyethylene.   The lid for a liquid container according to claim 1 or 2, wherein the covering film portion of the lid is composed of a laminated film including an unstretched nylon film and a polyolefin resin film. The lid for a liquid container according to any one of claims 1 to 3, wherein the coating film portion has a thickness of 0.1 mm or less. The liquid container lid according to any one of claims 1 to 4, wherein the body of the lid is configured to be secured in a state of covering the outside of the edge of the mouth. The liquid container lid according to any one of claims 1 to 4, wherein the main body of the lid is configured to be fixed in a state of entering the inside of the edge of the mouth. 7. The liquid container according to claim 5, wherein the structure of fixing the main body of the lid to the mouth of the liquid container is a structure in a fitted state or a screwed state. Lid. The main body portion of the lid body fitted or screwed to the mouth portion of the liquid container is configured to be welded, fused, or bonded to the mouth portion. Liquid container lid. 9. The liquid container according to claim 1, wherein the lid is an inner lid, and the outer lid has an outer lid that is fixed to the mouth and covered. Lid. The liquid container lid according to any one of claims 1 to 9, wherein the liquid container is a bottle-shaped refill container or a bag-shaped refill container. The main body portion of the lid body has an annular configuration substantially similar to the mouth portion of the liquid container, and the opening of the annular configuration is configured to be closed by the coating film portion. The lid for a liquid container according to any one of 10 to 10.

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