JP2601009Y2 - Disposable blow molded bottle with handle - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blow-molded bottle with a handle that is easy to dispose of after using the contents, and more particularly, to an integrally molded easy-to-dispose blow blow with a handle that is easily crushed to reduce the volume at the time of disposal. It relates to a molded bottle.

[0002]

2. Description of the Related Art Recently, plastic blow-molded bottles have been used for containers of liquid foods such as fruit juice beverages, edible oils and mineral water, containers for toiletries such as shampoos, rinses and hairdressing agents, liquid detergents, fabric softeners and developing agents. The range of application as non-food containers for liquids and the like is expanding, but the capacity to be filled per bottle is increasing, and the demand for blow-molded bottles with a handle of 1 liter or more is increasing. These blow-molded bottles with a handle are formed by forming a part of the bottle body into a concave shape at the time of forming the bottle to form a handle, and squeezing and molding a parison (fused tubular molding material) inside the handle. There is a handle formed by cutting the inside of a crushed handle, or a separate handle formed by insert molding at the time of bottle molding, but according to the present invention, a parison inside the handle is crushed and formed. A blow-molded bottle with a handle formed by cutting the inside of the crushed handle to form a handle.

[0003]

[Problems to be Solved by the Invention] By the way, in recent years, as consumers' environmental consciousness has increased, their daily life has been reviewed and their consumption behavior has changed, and consumers are demanding packages that take environmental issues into consideration. It has become. As described above, demand for blow-molded bottles with handles is increasing.However, when disposing of bottles after use of the contents, it is not possible to crush these blow-molded bottles with handles to reduce the volume. Due to the difficulty, each household is thrown away as it is, and the garbage is very bulky. In order to solve this problem, for example, Japanese Unexamined Utility Model Publication No. 5-46717 discloses a method in which a folding line is formed at the boundary between the shoulder of the bottle, the front and rear surfaces of the body, the left and right sides of the body, and the bottom. However, application to the blow-molded bottle with a handle according to the present invention was not possible due to differences in bottle shape and design problems.

The present invention is to provide an easily disposable blow-molded bottle with a handle in which the peripheral wall of the bottle is designed in advance so that the bottle is not bulky when the bottle is discarded after using the contents.

[0005]

According to the present invention, a handle is integrally formed.
And form, in the handle with the blow molded bottle with a handle thick than the peripheral wall of the bottle, as shown in FIG. 1, the handle finger insertion
Recessed recesses on the front and back of the bottle around the hole (151)
Part (152) and the handle recess (152)
An easily disposable blow-molded bottle with handle (100), characterized in that a tapered vertical stepped portion (10) is provided upward along the direction of the handle.

The above-mentioned vertical step portion is formed by an A surface above the handle side wall shown in FIG. 1 and a B surface which has an angle which makes it easy to fold into the bottle when crushed during disposal. Things. The shape of the A surface and the B surface may be a flat surface or a curved surface, and the peripheral wall above the handle finger insertion hole forming the step portion is the peripheral wall of the shoulder or the upper part of the trunk. .

[0007] The blow molded bottles were blow molded using polyethylene, polyethylene copolymers, polypropylene, polypropylene copolymers, polyethylene terephthalate, polyethylene terephthalate copolymers, polyvinyl chloride, acrylic resin copolymers, polymethylpentene, etc. A single-layer bottle or a multilayer bottle obtained by forming a multilayer of the above-mentioned resin and a gas barrier resin such as ethylene / vinyl alcohol copolymer, polyvinylidene chloride or nylon into a multilayer, and the like. Then, the weight of this is found in the bottle, conventional, the commonly used that weight is preferably from 40% to 60%. This is because a bottle having a weight of 40% or less has a problem of insufficient bottle strength at the time of use, and a bottle having a weight of 60% or more has high strength and is hard to be crushed at the time of disposal.

[0008]

Generally, in the blow-molded bottle, since the blow ratio (ratio of the diameter of the parison to the diameter of the molded product) of the shoulder portion and the upper portion of the body at the time of molding is small, the peripheral wall is thicker than other peripheral walls. . For this reason, even in the blow-molded bottle with a handle in which the overall bottle weight is reduced, the shoulder above the handle and the upper part of the trunk are not easily crushed during disposal. The easily disposable blow-molded bottle with a handle of the present invention has a front surface of the bottle around the handle finger insertion hole.
A handle recess is provided on the rear surface, and a vertical step having a tapered shape is formed on the peripheral wall above the handle recess by a surface A and a surface B along the direction of the handle as shown in FIG. When the bottle is discarded, if it is pressed from the front or the back of the bottle, the border between the A and B surfaces is folded into the bottle, which triggers a thick shoulder or body. The upper part is easily crushed, and as a result, the entire bottle is easily crushed flat .

[0009]

First, using a normal blow molding machine, using high-density polyethylene, handle finger insertion holes (151) on the front and rear surfaces of the bottle body (110) shown in FIGS. 2 (a) and 2 (b).
A vertically displaceable blow-molded bottle (100) having a full water capacity of 1,600 ml provided with a vertical stepped portion (10) composed of A surface and B surface on the upper peripheral wall of this example. did. Conventional normal bottle weight (W) is W = αV
^2/3 (V is full capacity, α is a constant), and about 89 g for a bottle with a full capacity of 1.600 ml. In the present embodiment, the bottle weight is reduced to a normal 50 in consideration of the ease of crushing when the bottle is discarded and the strength of the bottle when the bottle is used.
% Of 45 g. Separately, for comparison, a handle having the same capacity and the same weight has a normal shape in which a vertical stepped portion composed of the surface A and the surface B is not provided on the peripheral wall above the handle finger insertion hole. Easy blow molded bottles were also made.

Next, a soft finish agent is filled into the prepared easily disposable blow molded bottle with handle of this embodiment and the thin molded blow molded bottle with conventional handle, and the cap (200) is prepared.
After mounting and sealing, and going through a normal distribution process, it was used in a normal use state. Both bottles were thin, and in the distribution process, there were some bottles that could be improved by taking into account the distribution method.However, when using the contents, there were no difficulties in using the contents. Did not. After using the contents, the body of each bottle was crushed to discard it. According to the result, the easily disposable blow molded bottle with handle of the present embodiment is shown in FIG.
As shown in the figure, the peripheral wall above the gripper finger insertion hole (151) is provided with a vertical step portion (10) by the A surface and the B surface. The surface and the border are folded into the bottle, which triggers the thick shoulder (12
0) and the upper part of the body (110) were easily crushed, and it was easy to reduce the bulk of the bottle in a flat state. On the other hand, in the conventional blow-molded bottle with a thin handle, the thickness of the peripheral wall of the shoulder portion and the upper portion of the trunk is large, the rigidity is strong, and it is difficult to crush the bottle.

[0011]

[Effect of the Invention] When the easily disposable blow molded bottle with a handle of the present invention is used, the bottle around the handle finger insertion hole of the bottle is used.
Recesses are provided on the front and rear surfaces of the
The upper part has a tapered vertical step along the direction of the handle, so when the bottle after using the contents is squashed, the shoulders and upper part of the torso are hard to crush. But,
Rarely write fold from the place of the step-like portion inside the bottle, the shoulder of the bottle in response to this, the body portion, is easily crushed the bottom, it becomes easy to reduce the bulk of the bottle in a flat state.

[Brief description of the drawings]

FIG. 1A is an explanatory view showing a stepped portion according to an embodiment of the present invention, and FIG. 1B is a cross-sectional view taken along the line XX ′.

FIG. 2A is a front view of one embodiment of the present invention,
(B) is a side view thereof.

[Explanation of symbols]

 10 Stepped section 100 Easy-to-dispose blow-molded bottle with handle 110 ... Body section 120 ... Shoulder section 130 ... Neck section 140 ... Bottom section 150 ... Handle 151 ... Handle finger insertion hole 152 ... Recessed recess 200 ... Cap

Continuation of the front page (56) References JP-A-6-242585 (JP, A) JP-A-6-336238 (JP, A) JP-A 4-84117 (JP, U) JP-A 62-137207 (JP) (U, U) Sho 61-107710 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) B65D 1/02 B65D 23/00-25/56

Claims (1)

(57) [Scope of request for utility model registration] (1) The handle is integrally formed, and is thicker than the peripheral wall of the bottle.
Handle in blow-molded bottles with handles
Depress the recesses on the front and rear of the bottle around the finger insertion hole.
Along the direction of the handle above the recessed portion of the handle.
An easily disposable blow-molded bottle with a handle, provided with a tapered vertical stepped portion.