JP2004196456A - Waste oil disposal container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a waste oil disposal container having high mechanical strength to withstand multiple stage stacking, occupying smaller space during transportation and storing, and having a relatively low weight without using a plastic container. <P>SOLUTION: The main part of components of the waste oil disposal container is all made of natural material. The container has a double structure consisting of a paper outer case 1 and an inner cylinder 9 placed inside the outer case 1 and extending vertically. Paper inner pads are placed to close the top and bottom open ends of the inner cylinder 9, and an inner bag 11 having an open upper end and storing waste oil is placed inside the inner cylinder 9. A leakage prevention outer bag 12 having an open upper end and containing the inner cylinder 9 is placed inside the outer case 1. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a waste oil treatment container, and more particularly to a waste oil treatment container used for collecting and transporting waste oil generated in industry, ships and the like, and which can be incinerated as it is.
[0002]
[Prior art]
Conventionally, plastic containers and thin metal plate containers have been used for collecting and transporting waste oil, etc., but in recent years, from the viewpoint of environmental protection and the difficulty of processing when containers etc. become waste, The use of such containers has been banned, and the development of alternative containers has been demanded.
[0003]
On the other hand, waste oil treatment containers have been developed that can accommodate waste oil generated in general households and restaurants, waste oil generated by changing oil in automobiles, and the like, and can be incinerated as they are. As this type of waste oil treatment container, a waste oil treatment container is constituted by a paper bag formed by laminating a resin layer on an inner peripheral surface with an opening at an upper side, and a paperboard storage container for storing the paper bag. A storage container made of paperboard having a bottom portion on which the paper bag is mounted, and a side wall portion extending from an outer edge of the bottom portion and surrounding a lower outer periphery of the paper bag; Is attached to the outer periphery of the lower side of the paper bag, and the paperboard storage container does not have a lid for covering the paper bag. 1, 2).
[0004]
[Patent Document 1]
JP-A-6-183504 (pages 2-3, FIG. 1)
[Patent Document 2]
JP-A-6-183503 (pages 2-3, FIG. 1)
[0005]
[Problems to be solved by the invention]
This waste oil processing container is easy to manufacture, can reduce the amount of material used for forming the storage container, and is suitable for use in general households and restaurants where waste oil is generated only in a relatively small amount, but contains foreign matter. It is difficult to use for waste oil treatment in industries and ships that generate a large amount of waste oil. That is, in the industry, for example, the waste oil generated in the metal processing industry contains slugs and metal powders, and during repeated use, the waste oil becomes sludge and becomes extremely heavy, and the container that contains it is Usually, it is required that not only can it store 20 to 30 liters of waste oil, but it can withstand multi-stacking and withstand a drop from a high place to some extent. There is a problem that can not be obtained.
[0006]
Therefore, the present invention obtains a relatively lightweight waste oil treatment container that has a high mechanical strength, withstands multiple stacking, occupies a small space during transportation and storage, without using a plastic container that causes environmental pollution. This is a technical issue.
[0007]
[Means for Solving the Problems]
The present invention, from the viewpoint of environmental protection, to configure all the main parts of the components of the waste oil treatment container is made of a natural material, in order to increase the mechanical strength and pressure resistance of the container, the container body with a paper outer box, With a double structure of a middle cylinder disposed inside the outer box and extending between the top and bottom of the outer box, a paper middle pad for closing the upper and lower opening ends of the middle cylinder is arranged, and An upper bag is opened inside and an inner bag for storing waste oil is provided therein, and an outer bag for opening is provided inside the outer box and a leakage prevention bag for containing the middle cylinder is provided therein. Things.
[0008]
That is, the waste oil treatment container according to the present invention has a waste oil storage inner bag that is open at the top and stores waste oil therein, a paper middle cylinder that houses the inner bag, and upper and lower open ends of the middle cylinder. A paper pad to be closed, an outer bag for preventing leakage, which is open at the top and accommodates the inner cylinder therein, a fiber board disposed above and below the outer bag, and a paper outer container for integrally storing these. And a box.
[0009]
The paper outer box is usually formed of a cardboard sheet. As the cardboard, from the viewpoint of strength, it is preferable to use a double-sided cardboard (so-called double) or a double-sided double-faced cardboard rather than a double-sided cardboard (so-called single). It is preferable to use a double-sided double-faced cardboard. Further, it is preferable to use a corrugated cardboard sheet having at least an inner side provided with a waterproof coating.
[0010]
In addition, the middle cylinder may be an integral body without a seam.However, in order to reduce the space occupied during transportation and storage, the middle cylinder is made of oil-resistant paperboard in which the middle cylinder is developed, and this is bent into a cylindrical shape when used. Alternatively, both ends may be attached with an adhesive tape.
[0011]
As the inner bag for storing waste oil and the outer bag for preventing leakage, use is made of a film made of a polyolefin resin such as polyethylene or polypropylene or a paper bag formed of a kraft paper or the like whose at least inner surface is coated with the polyolefin resin. Is preferred.
[0012]
In a preferred embodiment, a fiber board is provided between the outer bag and the lid and the bottom of the outer box. The fiber board is a plate-like product formed by using wood and other vegetable fibers as a main raw material, and includes a soft fiber board, a semi-rigid fiber board, and a hard fiber board. And a hard fiber board, More preferably, a hard fiber board is used.
[0013]
Further, in a preferred embodiment, a U-shaped paper reinforcing plate abutting on the bottom portion of the outer box and the opposing side wall thereof is disposed, and at least one locking member is provided on the side wall portion facing the reinforcing plate. A tongue piece is provided, and the locking tongue piece is fitted into a through-hole provided in the outer box, and prevents a hand from hitting a cut surface of a cardboard forming an outer box when a hand is inserted into the through-hole and held. I have to do it.
[0014]
According to the waste oil treatment container of the present invention, since all or most of the material is formed of plant fiber which is a natural resource, it can be burnt and discarded as it is, and the middle cylinder is formed of an outer box. Since the top and bottom surfaces are supported, the pressure resistance is improved, and multi-stage stacking is possible.
[0015]
Hereinafter, a waste oil treatment container of the present invention will be described with reference to the accompanying drawings showing one embodiment of the present invention.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
As shown in FIG. 1, the waste oil treatment container according to the present invention has a container body made of a paper outer box, a middle cylinder 9 disposed inside the outer box 1 and extending between the top and bottom of the outer box 1, Paper middle pads 10a and 10b disposed at upper and lower opening ends of the middle cylinder 9 and closing the opening ends, respectively, and an inner bag arranged inside the middle cylinder 9 and having an open upper portion for storing waste oil therein 11, an outer bag 12 for leakage prevention, which is disposed inside the outer box 1 and has an open upper portion and accommodates the middle cylinder 9 therein, and is disposed above and below the outer bag 12, respectively. It consists of fiberboards 13a and 13b which are in contact with the bottom and the ceiling of the box, and these are combined as a set in the unfolded state. Further, the set may include a string, a tape, or other closing means for closing the openings of the inner bag 11 and the outer bag 12 as necessary.
[0017]
FIG. 2 is an exploded view of the outer box 1 shown in FIG. 1. The outer box 1 is formed integrally with a reinforcing plate by double-sided corrugated cardboard, for example, AB flute, and has a side wall 3a on one side of the bottom plate 2. The remaining side walls 3b, 3c and 3d are sequentially connected to the side wall 3a, and the reinforcing bottom plate 4 is continuously connected to the side wall 3c opposite to the side wall 3a connected to the bottom plate 2 during assembly. Reinforcing side walls 5a and 5b are continuously provided on two sides adjacent to the continuous side of the reinforcing bottom plate 4. The side walls 3b and 3c and the reinforcing side wall 5 are formed with through holes 6 serving as handles. Instead of completely cutting off the through-hole 6 of the reinforcing side wall 5, a folding line may be formed at the upper end to form a locking tongue, which may be bent in the direction of the outer box.
[0018]
Further, flaps 7a, 7b, 7c, and 7d serving as lids are respectively connected to the upper sides of the side walls 3a, 3b, 3c, and 3d. Affixed to the matching side wall 3d. The inner surface of the outer box 1 is provided with a waterproof coating so that the inner bag 11 and the outer bag 12 can withstand when the inner bag 11 and the outer bag 12 are torn or when the waste oil leaks when the waste oil is supplied.
[0019]
The middle cylinder 9 is formed by bending a relatively thick paperboard into a cylindrical shape and fixing both ends 9a and 9b with an adhesive tape such as a kraft adhesive tape or a cloth adhesive tape. In this case, the middle cylinder 9 may be formed by winding a plurality of paperboards of a predetermined size, or the long cylinder may be wound a plurality of times.
[0020]
The middle pads 10a and 10b serving as the bottom and the ceiling of the middle cylinder 9 are obtained by cutting a double-faced corrugated cardboard or a double-sided corrugated cardboard into a disk shape in order to impart impact resistance. It has a slightly larger diameter.
[0021]
The inner bag 11 and the outer bag 12 are PE bags formed of a polyethylene (PE) film. For example, as shown in FIG. A film formed like an envelope may be used. The polyethylene film itself may be a single layer, but in the present embodiment, for example, the inner bag is formed with three layers of 40 μm-thick PE film, and the outer bag is formed with two layers of 40 μm-thick PE film. Is formed.
[0022]
As the fiber boards 13a and 13b disposed between the bottom of the outer box 1 and the outer bag 12 and between the lid of the outer box 1 and the outer bag 12, for example, hard fibers having a thickness of 3 to 10 mm are used. It is formed of a plate.
[0023]
The waste oil treatment container is delivered to the user individually or as a set of the outer box 1, the middle cylinder 9, the middle pads 10a and 10b, the inner bag 11, the outer bag 12, and the fiber boards 13a and 13b. At the time of use, first, the outer box 1 is assembled with the packing case, and an adhesive tape is stuck over the bottom plate 2 and the lower portion of the side wall of the outer box 1 to seal the bottom of the outer box 1 so as not to form a gap. . Note that the bottom plate 2 and the reinforcing bottom plate 4 may be closely adhered with a double-sided tape. Next, after assembling the middle cylinder 9, the fiber board 13a is arranged on the inner bottom of the outer box 1, and the outer bag 12 is arranged thereon. The middle pad 10a and the middle cylinder 9 are put into the outer bag through the upper opening, and the inner bag 11 is further arranged in the middle cylinder 9. In this state, after filling the inner bag 11 with waste oil up to the vicinity of the upper end of the middle cylinder 9 through the upper opening, the upper opening of the inner bag 11 is closed and closed with a wire or an adhesive tape. After placing the middle pad 10b on the sealed inner bag 11 and covering the middle tube 9, the outer bag 12 is closed and closed with a wire or an adhesive tape. Next, the fiber board 13b is placed on the outer bag 12, the lid flaps 7a, 7b, 7c, 7d of the outer box 1 are folded, the lid is closed, and the joint is sealed with an adhesive tape to store waste oil. finish. In this way, the waste oil treatment containers storing the waste oil may be stacked on a pallet in two or three stages, and after reaching a predetermined number, processing may be performed.
[0024]
【The invention's effect】
As is apparent from the above description, according to the present invention, the components of the waste oil treatment container are mostly composed of natural resources, and even if a synthetic resin is used for forming the inner bag and the outer bag, the material is a polyolefin resin. Therefore, the amount used is small, it can be incinerated as it is, there is no harmful component that causes environmental pollution at the time of combustion, and the middle cylinder also functions as a column support of the outer box It has high strength and mechanical strength and can be stacked in multiple stages even if it accommodates 20-30 liters of waste oil, and because it is an assembling type, the space occupied during transportation and storage is small and a lightweight waste oil treatment container is used. Obtainable.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a waste oil treatment container according to the present invention. FIG. 2 is an exploded view of an outer box of FIG. 1. FIG. 3 is an enlarged perspective view of a middle cylinder of FIG. Enlarged perspective view of outer bag) [Description of symbols]
DESCRIPTION OF SYMBOLS 1 ... Outer box 2 ... Bottom plate 3 ... Side wall 4 ... Reinforced bottom plate 5 ... Reinforced side wall 6 ... Through-hole 7 ... Flap 8 ... Joint piece 9 ... Middle cylinder 10 ... Middle pad 11 ... Inner bag 12 ... Outer bag 13 ... Fiber board

Claims (5)

An upper part is opened and a waste oil storage inner bag for storing waste oil therein, a paper middle cylinder for housing the inner bag, a paper middle pad for closing the upper and lower opening ends of the middle cylinder, respectively, and an upper part is opened. A waste oil treatment container comprising: a leakage prevention outer bag that houses the middle cylinder therein; a fiber board disposed above and below the outer bag; and a paper outer box that integrally stores these. The waste oil treatment container according to claim 1, wherein the inner bag and the outer bag are a polyolefin-based film bag or a paper bag whose inner surface is at least coated with a polyolefin-based film. The waste oil treatment container according to claim 1 or 2, wherein the middle cylinder is formed by winding a rectangular thick paper into a cylindrical shape and sticking both ends with an adhesive tape. The waste oil treatment container according to any one of claims 1 to 3, wherein the paper outer box is made of corrugated cardboard, and at least an inner wall is coated with a waterproof coating. The outer box includes a U-shaped paper reinforcing plate abutting on a bottom portion and an opposing side wall thereof, and at least one locking tongue on a side wall portion facing the reinforcing plate. The waste oil treatment container according to any one of claims 1 to 4, wherein a tongue piece is fitted into a through hole provided in the outer box.

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