JP2006008169A - Container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container capable of simplifying the changing operation of a refill container, and ensuring the large thickness of a bottom part of the refill container to be stored in an exterior container. <P>SOLUTION: The container comprises a refill container 7 in which a thin-walled sleeve 1 is extrusion-molded, a bottom part 2 is integrally insert-molded on one end of the sleeve and a neck part 5 having a fitting part 3 fitted in the sleeve and a flange part 4 expanded from the sleeve is attached to the other end of the sleeve, and the sleeve is held between the fitting part and itself and a holding ring 6 to be joined with the flange part is slidably fitted to the sleeve, an exterior container 8 with the refill container inserted therein, an operation window part 9 formed on the exterior container, a locking part 10 formed on the exterior container in a vicinity of the operation window part, an engagement part 11 which is formed on the holding ring and engaged with the locking part, and a push piece 12 which is locked to the operation window part between the exterior container and the refill container to disengage the engagement part from the locking part. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a container capable of simplifying a refill container exchange operation and ensuring a thick wall portion of a refill container accommodated in an exterior container.

For example, Patent Document 1 is known as a container that can be used by detachably attaching a replaceable refill container. In this cosmetic container, when replacing the refill container, the ring-shaped protector that is detachably screwed into the exterior body and presses the shoulder on the extraction port side of the refill container is removed, the refill container in the exterior body is replaced, and then the protector is replaced. Was screwed in again. Moreover, the refill container was formed in the shape of a bottomed cylinder having a screw part at the extraction port by injection blow molding or the like.
Japanese Patent Publication No. 4-24045

  By the way, in the said prior art, when replacing | exchanging a refill container, it was necessary to remove | desorb a protector and there existed a subject that operation was complicated. In addition, regarding the refill container accommodated in the exterior body, in the injection blow molding, the thickness of the extraction port portion can be formed thick according to the molding method, while the bottom portion is formed thin. Even in such a case, it is unsatisfactory when it is desired to secure the strength of the bottom portion, and there is a problem that measures such as securing the thickness of the bottom portion of the exterior body that accommodates the refill container are necessary.

  The present invention has been devised in view of the above-described conventional problems, and it is possible to simplify the refill container replacement operation, and to reduce the thickness of the bottom portion of the refill container accommodated in the outer container. An object is to provide a container that can be secured thick.

  The container according to the present invention is formed by seamlessly forming a thin flexible synthetic resin sleeve having flexibility by extrusion molding, and having a size that fits to the outer diameter of the sleeve by insert molding at one end of the sleeve. A bottom part made of synthetic resin having rigidity is integrally formed, and at the other end of the sleeve, a fitting portion fitted into the sleeve and a flange portion projecting outward from the other end of the sleeve are provided. Rigidity of attaching a neck part having rigidity, inserting the sleeve into the sleeve so as to be slidable from one end to the other end, sandwiching the sleeve between the fitting part and joining the collar part A refill container having a holding ring having a hollow, a hollow cylindrical outer container into which the refill container is removably inserted, and an operation window portion formed in the outer container. A locking portion formed in the outer container close to the operation window portion, an engaging portion formed in the pressing ring and detachably engaged with the locking portion, and the outer container A push piece is provided between the refill container and the operation window, and the push piece separates the engaging portion from the locking portion.

  In the container according to the present invention, the replacement operation of the refill container can be simplified, and the thickness of the bottom portion of the refill container accommodated in the outer container can be ensured thick.

  Hereinafter, a preferred embodiment of a container according to the present invention will be described in detail with reference to the accompanying drawings. As shown in FIGS. 1 to 3, the container according to the present embodiment is basically formed by seamlessly forming a thin flexible synthetic resin sleeve 1 having flexibility by extrusion molding. A synthetic resin bottom part 2 having rigidity that fits within the outer diameter of the sleeve 1 is integrally formed at one end, and a fitting portion that is fitted into the sleeve 1 at the other end of the sleeve 1. 3 and a flange portion 4 projecting outward from the other end of the sleeve 1, and a rigid neck part 5 is mounted, and the sleeve 1 is slidably inserted from one end to the other end. A refill container 7 having a structure in which a sleeve 1 is sandwiched between the fitting part 3 and a holding ring 6 having rigidity to be joined to the flange part 4 is mounted, and the refill container 7 is inserted into the inside thereof so as to be freely inserted and removed. Hollow cylindrical A container 8, an operation window 9 formed in the outer container 8, a locking part 10 formed in the outer container 8 in the vicinity of the operation window 9, and a holding ring 6. 10 is provided between the outer container 8 and the refill container 7 so as to be engaged with the engaging portion 11 detachably engaged with the operation window portion 9, and the engaging portion 11 is detached from the locking portion 10. And a push piece 12 to be configured.

  First, the refill container 7 will be described. In the present embodiment, the sleeve 1 is made of a synthetic resin such as polyethylene as a raw material, and is formed into a thin wall by a well-known extrusion molding. Thus, the sleeve 1 is flexible and flexible, and the circumferential surface has no seams. , And is formed in a hollow cylindrical shape with both upper and lower ends open. At the lower end of this sleeve 1, a synthetic resin such as polyethylene is used as a raw material, and a bottom part 2 that is thicker than the sleeve 1 and has high rigidity is integrally formed. The bottom part 2 is integrally formed with the sleeve 1 by well-known insert molding in which synthetic resin is injected and molded to the lower end of the sleeve 1 inserted into the mold. The outer diameter of the bottom part 2 is set to be smaller than the outer diameter of the sleeve 1, whereby the sleeve 1 is integrated with the bottom part 2 in a form in which the opening at the lower end is narrowed.

  The neck part 5 includes an extraction cylinder part 13 having a screw part to which a cap (not shown) is screwed, a shoulder part 14 formed to extend outward from the lower end of the extraction cylinder part 13, and a peripheral part of the shoulder part 14. A hollow cylindrical fitting portion 3 that is formed downwardly and is fitted into the sleeve 1 from its upper end opening, and further outward from the position of the fitting portion 3 on the peripheral edge of the shoulder portion 14. A ring-shaped flange portion 4 formed in an expanded manner is integrally formed. The neck part 5 is made of synthetic resin such as polypropylene as a raw material and is formed with high dimensional accuracy and high rigidity with a considerable thickness by injection molding. The neck part 5 may be made of metal.

  The fitting portion 3 has a flexible upper end of the sleeve 1 to enhance the adhesion between the outer peripheral surface and the inner peripheral surface of the sleeve that are overlapped with each other by insertion into the sleeve 1 and to ensure high sealing performance. The outer diameter of the sleeve 1 is slightly larger than the inner diameter of the sleeve 1 so as to be fitted into the sleeve 1 while being slightly expanded. A tapered surface 3 a that is narrowed downward is formed on the outer periphery of the lower end of the fitting portion 3 in order to facilitate insertion into the sleeve 1. Further, the collar portion 4 projects outward from the upper end of the sleeve 1 when the neck part 5 is attached to the sleeve 1 via the fitting portion 3.

  The holding ring 6 is formed in a hollow cylindrical shape, and its inner diameter is outside the periphery of the upper end of the sleeve 1 in a state where the inner diameter is pushed and expanded by the fitting portion 3 so that the sleeve 1 can be slidably inserted from the lower end to the upper end. It is set so as to substantially match the diameter dimension. Further, the outer diameter dimension of the pressing ring 6 is set smaller than the outer diameter dimension of the flange portion 4. Further, a pair of elastic pieces 15 are integrally formed at the lower end portion of the press ring 6 so as to protrude downward from a position spaced apart by 180 ° in the circumferential direction, and each of the elastic pieces 15 has an engaging portion 11 outwardly. Projectingly formed. The holding ring 6 may be made of synthetic resin or metal. The engaging portion 11 formed on the elastic piece 15 of the pressing ring 6 is formed with a push-up taper surface 11a so as to protrude from the lower end toward the upper end.

  The assembly operation of the refill container 7 according to this embodiment will be described. First, the sleeve 1 is extruded. The bottom part 2 is integrally formed at the lower end of the extruded sleeve 1 by insert molding. On the other hand, the neck part 5 and the holding ring 6 are prepared separately. The fitting part 3 of the neck part 5 is fitted into the inside from the opening at the upper end of the sleeve 1, whereby the neck part 5 is attached to the sleeve 1. By this mounting operation, the upper end of the sleeve 1 overlapping the fitting portion 3 is slightly expanded. Thereafter, the pressing ring 6 is inserted from the lower end of the sleeve 1 to which the bottom part 2 is attached, and the pressing ring 6 is slid to the upper end of the sleeve 1 that abuts against the flange portion 4 and pushed into the periphery of the fitting portion 3. . Thereby, the sleeve 1 is firmly sandwiched between the pressing ring 6 and the fitting portion 3 of the neck part 5. Finally, the refill container 7 is assembled by joining the pressing ring 6 and the collar part 4 of the neck part 5 by bonding or the like.

  The outer container 8 is made of metal or synthetic resin, and is formed in a hollow cylindrical shape with a bottom so that the refill container 7 can be inserted and removed from above. A pair of operation window portions 9 are formed through the peripheral side surface of the outer container 8 so as to correspond to the position of the elastic piece 15 formed on the holding ring 6 of the refill container 7 described above. A locking portion 10 is integrally formed at the upper edge of the operation window portion 9 toward the inside of the outer container 8 so that the engaging portion 11 of the pressing ring 6 is detachably engaged. In addition, the outer container 8 is allowed to be inserted and removed in order to engage the engaging portion 11 of the holding ring 6 with the engaging portion 10 on the upper edge of the operating window 9 from the upper end to the operating window 9. A longitudinal groove 16 is formed.

  The outer container 8 is provided with a push piece 12 made of synthetic resin. The push piece 12 includes an annular member 17 disposed so as to surround the outer peripheral surface of the refill container 7 between the refill container 7 and the outer container 8, and an operation window 9, that is, an elastic piece 15 at the upper end of the annular member 17. And a pair of flexible pieces 18 that are formed to project upward from a position spaced apart by 180 ° in the circumferential direction, and the upper end portions of these flexible pieces 18 are bent outward. A pair of push button portions 19 protruding from the operation window portion 9 are integrally formed. The push piece 12 is attached to the outer container 8 with the push button portion 19 hooked to the operation window portion 9.

  The outer container 8 can be assembled by inserting the push button part 19 of the push piece 12 into the longitudinal groove 16 by using the flexibility of the flexible piece 18 and pushing the push piece 12 into the outer container 8 as it is. When the push piece 12 is pushed in, the push button portion 19 is inserted into the operation window portion 9 and is latched by the elastic return action of the flexible piece 18 at the position reaching the operation window portion 9. 8 is supported. When the push piece 12 is attached to the outer container 8 in this way, the push button portion 19 is positioned directly below the locking portion 10 on the upper edge of the operation window portion 9.

  The operation of detaching the refill container 7 from the outer container 8 assembled in this way will be described. The lower end of the refill container 7 is inserted into the upper end of the outer container 8, and the refill container 7 is inserted into the outer container 8 as it is. When the elastic piece 15 of the pressing ring 6 reaches the upper end of the outer casing 8 by this insertion operation, the engaging portion 11 of the elastic piece 15 is aligned with the position of the vertical groove 16 of the outer casing 8, and the engaging portion is Further, the refill container 7 is inserted while guiding 11. When the engaging portion 11 reaches just above the operation window portion 9, the raised taper surface 11 a comes into contact with the locking portion 10, and the elastic piece 15 is elastically deformed accordingly, and the engaging portion 11 is engaged with the locking portion 10. As a result, the refill container 7 can be held in the outer container 8.

  On the other hand, when the refill container 7 is removed from the outer container 8 for replacement, the push button part 19 of the push piece 12 protruding from the operation window part 9 may be pushed in. The flexible piece 18 is flexibly deformed by the pushing operation of the push button portion 19, and the push button portion 19 is pushed into the outer container 8. The pushed push-button portion 8 is brought into contact with the push-up taper surface 11a of the engaging portion 11 and pushes up the engaging portion 11 and eventually the presser ring 6 while elastically deforming the elastic piece 15, thereby engaging. The joint portion 11 is detached from the locking portion 10. After the engaging portion 11 is detached from the locking portion 10, the refill container 7 can be taken out from the outer container 8 by pulling it with a finger on the flange 4 or the like of the refill container 7.

  In the container according to the present embodiment described above, when the refill container 7 is replaced, when the refill container 7 is inserted into the outer container 8, the refill container 7 may be simply inserted into the outer container 8. To remove 7, the push button portion 19 of the push piece 12 is pushed in and the refill container 7 is pulled out. There is no need to remove the protector as in the conventional case, and it can be easily done with one touch. Exchange operations can be performed. Further, conventionally, when the protector is lost, it cannot be used. In the present embodiment, the push piece 12 that is a detachable part is provided in the outer container 8, so there is no risk of losing it. Can be used continuously.

  Further, with respect to the refill container 7, the bottom part 2 is integrally formed by insert molding with respect to the sleeve 1 by extrusion molding, so that the thickness of the bottom part is appropriately increased as necessary while being a thin container. The durability required for the refill container 7 can be appropriately improved.

It is a partially broken side view which shows suitable one Embodiment of the container concerning this invention. It is a partial cross section exploded perspective view of the container shown in FIG. It is a principal part expansion partially broken side view which shows the operation state which removes a refill container from the exterior container of the container of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sleeve 2 Bottom part 3 Fitting part 4 Collar part 5 Neck part 6 Holding ring 7 Refill container 8 Exterior container 9 Operation window part 10 Locking part 11 Engaging part 12 Push piece

Claims (1)

A thin, flexible synthetic resin sleeve having flexibility is formed seamlessly by extrusion molding, and at one end of the sleeve, the sleeve is made of a synthetic resin having rigidity with a size that fits into the outer diameter of the sleeve by insert molding. A bottom part is integrally molded, and a neck part having rigidity is provided at the other end of the sleeve, the neck part having a fitting part fitted into the sleeve and a flange part protruding outward from the other end of the sleeve. At the same time, the sleeve is inserted into the sleeve so as to be slidable from one end to the other end, and a holding ring having rigidity to sandwich the sleeve between the fitting portion and to be joined to the flange portion is attached. A refill container composed of
A hollow cylindrical outer container into which the refill container is removably inserted, an operation window portion formed in the outer container, and a member formed in the outer container close to the operation window portion. A stopper, an engaging portion formed on the holding ring and detachably engaged with the locking portion, and an operating window portion provided between the exterior container and the refill container. And a push piece for detaching the engaging part from the locking part.

Images