JP2011031947A - Blow molded container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a blow molded container which easily introduces air into a refilling container, and surely performs a refilling operation of a content under a stable condition. <P>SOLUTION: The blow molded container 1 for refilling into which the content is stored includes: a barrel 2; a shoulder 4 continuously provided on the upper end of the barrel 2 and projecting a spouting part 3 openable for spouting the content; and a bottom 6 continuously provided on the lower end of the barrel 2 and projecting a filling opening 5 for filling the content into the container 1. The filling opening 5 has a recessed channel 15 extending at least partially in the peripheral direction of the filling opening 5 on the base end side from the closed part to be closed after filling with the content. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a refill blow-molded container in which contents to be injected into another container that is a refill destination of the contents are stored, and particularly air introduction into the refill container when the contents are poured out. Therefore, it is intended to realize a stable refilling operation of the contents.

  In recent years, as containers for filling liquids such as shampoos, rinses, liquid soaps, cosmetics, etc., stationary type containers have been used that are equipped with a dispenser in the mouth so that appropriate contents can be dispensed. In order to replenish liquid containers in such containers, pouch containers or thin blow-molded containers that are advantageous for resource saving and disposal are used (for example, see Patent Document 1).

JP-A-11-130112

  By the way, among the conventional refill containers, the pouch container has no tension on the container itself, so that there is a problem that it is difficult to pour when the spout is inserted into the mouth of the refill destination container.

  On the other hand, blow molded containers have a certain amount of tension even though they are thinned, and their contents can be poured out by inserting the spout port into the mouth of the container to be refilled. Refilling work can be done without spilling things.

  However, the blow molded container as described above has a problem that when the contents are poured out, it is necessary to press the inside of the container by squeezing the container or the like, so that the contents cannot be smoothly refilled.

  Therefore, an object of the present invention is to propose a blow-molded container that can easily introduce air into the refill container and can reliably perform the refilling operation of the contents in a stable state.

  The present invention has been made to solve the above-mentioned problems, and a blow-molded container according to the present invention is a blow-molded container for refilling in which contents are stored, and is connected to a barrel portion and an upper end of the barrel portion. And a shoulder portion provided with a projecting outlet portion for pouring out the contents and a lower end of the body portion, and filling for filling the blow molded container with the contents. A reversible deformable bottom portion protruding from the mouth portion, and the filling mouth portion is at least partly along the circumferential direction of the filling mouth portion on the base end side with respect to the closed portion that is closed after filling the contents It is characterized by having a concave groove extending in a general manner.

  In the blow-molded container having such a configuration, when the contents are poured out, the spout part of the blow-molded container is opened and inserted into the mouth of the refill destination container, and the container is inverted. When the filling port portion is broken by the concave groove provided in the filling port portion, an air introduction hole for introducing air is formed in the blow molded container, and the inside of the container is in an atmospheric pressure state, so the contents are caused by its own weight. Smoothly flows into the refill container.

  Therefore, according to the blow-molded container of the present invention, air can be easily introduced into the refill container through the air introduction hole formed in the filling port portion when pouring out. There is no need to pressurize the inside of the container, and the contents smoothly flow into another container by its own weight, and the refilling operation of the contents can be reliably performed in a stable state.

  In the blow-molded container of the present invention, it is preferable that a flat knob portion is integrally provided on the front end side of the groove in the filling port portion of the blow-molded container.

  According to the present invention, smooth refilling can be easily performed by the air introduction hole for introducing air, and it is possible to pour out without waste until the end. In addition, a filling port portion having a fracture portion (concave groove) for forming an air introduction hole is provided at the bottom portion, and the bottom portion is configured to be reversible, so that the appearance shape is not conspicuous and is excellent in design. ing.

It is a figure which shows the blow molding container of one Embodiment concerning this invention, (a) is a top view, (b) is a front view. It is a perspective view which expands and shows the filling port part of the blow molding container shown in FIG. 1, (a) shows the state before filling, (b) shows the state after filling, respectively. (A)-(c) is explanatory drawing for demonstrating the refilling work of the content. It is a figure which shows the blow molding container of other embodiment concerning this invention, (a) is a front view, (b) is a bottom view. It is a perspective view which expands and shows the filling port part of the blow molding container shown in FIG. 4, (a) shows the state before filling, (b) shows the state after filling, respectively. (A)-(c) is explanatory drawing for demonstrating the refilling work of the content.

  Embodiments of the present invention will be described below with reference to the drawings. Here, FIGS. 1-3 is a figure which shows the blow molding container of one Embodiment concerning this invention.

  As shown in FIG. 1, the blow molded container 1 includes a cylindrical body 2 that extends along the center axis S and slightly swells in the middle in the direction of the center axis S, and an upper end of the body 2 (in FIG. 1). (Upper side) connected to the shoulder 4 protruding from the openable outlet 3 for pouring the contents and the lower end (lower side in FIG. 1) of the body 2 and blow molding And a bottom part 6 provided with a filling port part 5 for filling the contents in the container 1.

  This blow-molded container 1 is a refill bottle for storing contents to be transferred to a regular container C having a pump mechanism or the like. For example, the blow-molded container 1 is blow-molded using a synthetic resin such as polyethylene, polypropylene, polyethylene terephthalate, etc. Is integrally molded. The thickness of the container 1 is so flexible that it can be poured out while the outlet 3 is inserted into the mouth C1 of another container C to be refilled when the contents are poured out, and can be folded and compacted after the filling. It is adjusted to have sex.

  The spout 3 has a circular tube shape and is erected at the center of the shoulder 4. A closing body 9 that closes the upper end opening 8 is connected to the upper end opening 8 of the spout 3 via a concave groove 10 for breaking. Further, a flat knob 11 is integrally formed at the upper end of the closing body 9. The closing body 9 is configured such that it can be separated together with the knob 11 by twisting the knob 11. In this embodiment, the outer diameter and length of the spout part 3 are adjusted so that they can be inserted into the mouth part C1 of another container C to be refilled, which will be described later.

  The bottom portion 6 is connected to the lower end of the body portion 2 via the convex ribs 13, and is formed in a conical shape in which the cross-sectional area gradually decreases toward the filling port portion 5 disposed at the lower center. Accordingly, when the filling port portion 5 is pushed inward of the trunk portion 2 from the state shown by the solid line in FIG. 1, the bottom portion 6 is easily inverted as shown by the phantom line in FIG. When the filling port portion 5 is pulled down from the state indicated by the phantom line in FIG. 1 to the outside of the body portion 2, the bottom portion 6 is easily removed as shown by the solid line in FIG. 1. It reverses and the filling port part 5 will be in the state which protruded below from the trunk | drum 2. As shown in FIG.

  As shown in FIG. 2A, the filling port portion 5 has a cylindrical shape and is erected at the center of the bottom portion 6. The blow-molded container 1 immediately after blow-molding is in a state in which the filling port portion 5 protrudes from the bottom portion 6 as shown in the figure. Moreover, as shown in FIG.2 (b), it extends over a semicircle along the circumferential direction of the filling port part 5 from the upper end part of the filling port part 5 obstruct | occluded after filling with the contents. The concave groove 15 is integrally formed. The portion provided with the concave groove 15 is thinner than the other portion of the filling port portion 5 and constitutes a planned fracture portion.

  When filling the contents, as shown in FIG. 2 (a), the contents can be filled from the filling port portion 5 protruding in a state where the container is inverted. When the filling of the contents from the filling port 5 is completed, as shown in FIG. 2B, the filling port 5 is closed by, for example, heat-sealing the upper end of the filling port 5, and then the filling port 5 5 is pushed down and accommodated inside the body 2 in the radial direction. Thus, by using the upper end portion of the filling port portion 5 as a closed portion, the knob portion 16 that can be picked up and pulled up when the concave groove 15 is broken can be formed simultaneously with the sealing process. In addition, the filling of the contents into the container 1 may be either in a state where the filling port portion 5 is pulled up and protruded, or in a state where the filling port portion 5 is previously pushed down and accommodated in the radially inner side of the body 2.

  Next, with reference to FIG. 3, the refilling operation | work of the content to the other container C by the blow molding container 1 concerning this embodiment is demonstrated. When refilling the refill contents filled in the blow molded container 1 into the regular container C to be refilled, first, as shown in FIG. 3A, the knob 11 of the spout 3 is twisted. The upper end opening 8 of the spout port 3 is opened by separating the closure 9 from the breaking groove 10 provided in the spout port 3. When opening the upper end opening 8 of the spout 3, the groove 10 may be cut using scissors or the like. Next, the contents can be poured out from the upper end opening 8 into the other container C by inverting the container 1 and inserting the spout part 3 into the mouth part C1 of the other container C. Thus, by inserting the spout part 3 into the mouth part C1 of another container C, the contents can be transferred without spilling.

  At this time, the contents fall under their own weight for some time, but as the negative pressure in the container 1 increases as the contents are poured out, the contents are less likely to fall under their own weight. Therefore, as shown in FIG. 3C, the knob 16 which is also a closed part of the filling port 5 is pulled up by a finger and the filling port 5 is broken by a breaking groove 15 provided in the filling port 5. Thus, an air introduction hole 18 for introducing air into the blow molded container 1 is formed, and the blow molded container 1 is in an atmospheric pressure state. As a result, the contents smoothly flow into the refill destination container C by its own weight and can be poured out without waste until the end.

  Therefore, according to the blow molded container 1 of this embodiment, when the contents are transferred, air can be easily introduced into the refill container 1 through the air introduction hole 18 formed in the filling port portion 5. It is not necessary to pressurize the inside of the container 1 by squeezing the blow molded container 1 and the contents smoothly flow into the other container C by its own weight, so that the refilling work of the contents can be reliably performed in a stable state. Can be done.

  Further, since the flat knob portion 16 is provided in the filling port portion 5 on the tip side from the concave groove 15, the filling port portion 5 can be easily broken by the concave groove 15.

  Further, the spout portion 3 and the filling port portion 5 are integrally formed by blow molding, and further, the concave groove 15 that forms the air introduction hole 18 by breakage is formed at the same time as the filling port portion 5 is formed. The container 1 can be manufactured at low cost.

  Furthermore, since the filling port portion 5 having a fracture portion (concave groove 15) for forming the air introduction hole 18 is provided in the bottom portion 6 and the bottom portion 6 is configured to be reversible, the design is made without conspicuous appearance. Also excellent in properties. Moreover, by doing in this way, there is no possibility that the filling port part 5 contacts the outside at the time of transportation or the like and the filling port part 5 is accidentally broken at the concave groove 15.

  Moreover, since the container 1 can be folded after the contents are poured out, the container 1 can be made compact when discarded, and the volume of dust can be reduced.

  Next, another embodiment of the present invention will be described with reference to FIGS. Here, FIG. 4 is a figure which shows the blow molding container of other embodiment concerning this invention, (a) is a front view, (b) is a bottom view, FIG. 5 is FIG. It is a perspective view which expands and shows the filling port part of the blow-molded container shown in FIG. 6, (a) shows the state before filling, (b) shows the state after filling, respectively. (C) is explanatory drawing for demonstrating the refilling work of the content.

  As shown in FIG. 4, the blow-molded container 1 of this embodiment is the same as the blow-molded container 1 of the above-described embodiment as a basic structure, and can be opened at the upper end of the cylindrical body 2. A shoulder portion 4 projecting from the portion 3 is continuously provided, and a bottom portion 6 from which a filling port portion 5 for filling contents is provided at the lower end of the body portion 2 is continuously provided. In the embodiment described above, the knob portion 16 is configured only by heat-sealing the upper end portion of the filling port portion 5. However, in this embodiment, as shown in FIG. 5 is formed in the vicinity of the region where the diameter of the filling port portion 5 is narrowed, the concave portion 15 is provided in the narrowed portion 20, and the widened portion 21 connected to the upper end of the narrowed portion 20 is formed as shown in FIG. As shown in (b), the knob portion 16 can be formed by heat sealing. As shown in FIGS. 6A to 6C, in this blow molded container 1, the contents can be refilled in the same manner as in the above-described embodiment, and the breakage provided in the filling port portion 5 is performed. As shown in FIG. 6C, the concave groove 15 can be easily broken by pulling up the vicinity of one end P of the knob portion 16, and as a result, an air introduction hole 18 is formed in the side portion of the filling port portion 5. can do.

  According to this embodiment, in addition to the operational effects of the blow molded container 1 of the embodiment shown in FIGS. 1 to 3, the force for pulling up the knob 16 can be concentrated on the narrowed portion 20 and the concave groove 15 can be used as a fulcrum. In addition, since the distance X from the groove 15 to one end P of the knob 16 corresponding to the groove 15 can be increased, the lever 5 can be easily and reliably broken in the groove 15 by the lever principle. It becomes possible to do.

  As mentioned above, although demonstrated based on the example of illustration, this invention is not limited to the above-mentioned embodiment, It can change suitably within the description range of a claim. For example, the shape of the trunk | drum 2 and the bottom part 6 grade | etc., Is not limited to embodiment mentioned above, It can change suitably. Further, the breaking of the concave groove 15 provided in the filling port portion 5 at the time of refilling work may be performed in a state where the bottom portion 6 is reversed and the filling port portion 5 is protruded.

  There are no particular limitations on the contents filled in the refillable blow-molded container 1, and food such as beverages and seasonings, shampoo, liquid soap, and the like can be filled.

  Thus, according to the present invention, since the air can be easily introduced into the refill container by the air introduction hole for introducing air, a blow molded container that can reliably perform the refilling operation of the contents in a stable state is proposed. It becomes possible.

DESCRIPTION OF SYMBOLS 1 Blow molding container 2 Body part 3 Outlet part 4 Shoulder part 5 Filling port part 6 Bottom part 15 Concave groove 16 Knob part 18 Air introduction hole 20 Narrow part 21 Expanded part

Claims (2)

In a refillable blow molded container in which the contents are stored,
A body part, a shoulder part continuously provided at an upper end of the body part and projecting an openable spout part for pouring out the contents; and a blow part continuously provided at the lower end of the body part; A bottom part provided with a filling port part for filling the contents in the container,
The blow-molded container, wherein the filling port portion has a concave groove extending at least partially along a circumferential direction of the filling port portion on a proximal end side with respect to a closed portion that is closed after the contents are filled.   The blow-molded container according to claim 1, wherein a flat knob portion is integrally provided at the front end side of the filling groove in the filling port portion.

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