JPH0761438A - Fiber drum and tightening band therefor - Google Patents

Abstract

PURPOSE:To provide a fiber drum, for which components made of different materials can be separated simply from one another for facilitating classified recovery, and to provide a tightening band that enables such fiber drums to be heaped up in a multistage stack. CONSTITUTION:A fiber drum is composed of a fiber drum main body 2 made of paper in a cylindrical shape, a pair of upper and lower lids 3 and 4, each of which is equipped in projection at its one side with a fitting part for fitting to the inside of an opening of the fiber drum main body 2 while being equipped with a dent at the other side thereof and with a groove to which a part in the vicinity of the opening of the fiber drum main body 2 faces at a position between the peripheral part and an external wall face of the fitting part, and tightening bands 5 and 6 that surround, together with the peripheral part of the lids 3 and 4, the ends of the opening of the fiber drum main body 2 and fix the lids 3 and 4 to the fiber drum main body 2 by tightening the peripheral parts of the lids and the fiber drum main body 2 in the circumferential direction with its inner circumferential face through tightening devices.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber drum and a tightening band used for the fiber drum.

[0002]

2. Description of the Related Art In a conventional fiber drum, a paper-made tubular fiber drum body and a bottom plate are integrated by a ring-shaped lower reinforcing member made of metal or synthetic resin. Further, the upper opening of the fiber drum main body is reinforced from the outside by a ring-shaped upper reinforcing member made of metal.

That is, as shown by the chain line in FIG. 8, a bottom plate (base plate) 101 made of paper or veneer plate is fitted to one side of the fiber drum body 100 made of paper, and the lower opening of the fiber drum body 100 is fitted. An iron plate (or a synthetic resin plate) 102, which serves as a lower reinforcing material, is wound in the vicinity from the outside to form a tubular shape, or the iron plate (or a synthetic resin plate) 102 that is made into a tubular shape in advance is fitted. Then, as shown by a solid line in FIG. 8, the protruding portion 10 of the iron plate (or synthetic resin plate) 102.
By caulking 3 inside, iron plate (or synthetic resin plate)
Fiber drum body 100 and bottom plate 10 via 102
Integrate with 1 and iron plate (or synthetic resin plate)
The fiber drum main body 100 and the bottom plate 101 are integrated with each other via the fiber drum main body 100 by 102, and the fiber drum main body 100 and the bottom plate 10 are integrated.
1 is reinforced.

Further, as shown by a chain line in FIG. 9, an iron plate (or a synthetic resin plate) 102 serving as an upper reinforcing material is wound from the outside in the vicinity of the upper opening of the fiber drum main body 100 to form a tubular shape or a tubular shape in advance. Iron plate (or synthetic resin plate) 1
Fit 02. Then, as shown by the solid line in FIG. 9, the protrusion 103 of the iron plate (or synthetic resin plate) 102 is caulked inward, so that the iron plate (or synthetic resin plate) 102 causes the vicinity of the upper opening of the fiber drum main body 100 to move. It is reinforced.

[0005]

By the way, recently, from the viewpoint of environmental protection, recycling of resources has been called for. However, in the conventional fiber drum as described above, each material forming the fiber drum is Since it is difficult to dismantle, the recycler will not accept it. That is,
Since the iron plate (or synthetic resin plate) 102 as a reinforcing material, the fiber drum main body 100 and the bottom plate 101 are integrated by caulking, when each material of the used fiber drum is recycled and used, Although it is necessary to separate the drum body 100 and the bottom plate 101 from the reinforcing material, disassembly is extremely difficult.

Therefore, the used fiber drum is currently incinerated and then the residual iron is discarded. Also, because conventional fiber drums are unstable when stacked vertically, when stacking them, place multiple fiber drums on the same surface and then place a flat plate such as a plywood plate on this fiber drum group. , After making a flat mounting surface, it is necessary to stack more on this flat plate, but since it is troublesome, most of them are not stacked.

[0007] Therefore, there is also a problem that many places are taken as storage places. In view of such circumstances, the present invention provides a fiber drum in which different material parts can be easily separated and easily separated and collected, and a tightening band that enables the fiber drums to be stably stacked in multiple stages. The purpose is to do.

[0008]

In order to achieve such an object, a fiber drum according to the present invention comprises a paper-made cylindrical fiber drum main body and one side surface provided inside an opening of the fiber drum main body. A fitting portion to be fitted is formed to project, and a recess is formed on the other side surface, and a groove facing the vicinity of the opening of the fiber drum main body is provided between the peripheral edge portion and the outer wall surface of the fitting portion. A pair of upper and lower lids formed and the opening end of the fiber drum main body are surrounded by the peripheral edge of the lid, and the diameter is reduced by a fastening means to form the inner peripheral surface of the peripheral edge of the lid and the fiber drum main body. And a tightening band for tightening and fixing the lid to the fiber drum body.

In the above structure, the lid and the tightening band are made of metal or synthetic resin. On the other hand, the tightening band according to the present invention is configured such that when a plurality of fiber drums are stacked, they are provided with engaging claws that are engaged with the recesses of the lids of the other fiber drums that are stacked above or below. .

In the above structure, the engaging claws may be provided over the entire circumference along the inner peripheral surface of the recess,
It may be provided intermittently.

[0011]

According to the structure of the fiber drum of the present invention, the fastening band can be expanded in diameter by releasing the fastening means. Therefore, the tightening by the tightening band is released, and the lid can be separated from the fiber drum main body. That is, the fiber drum body made of paper can be easily separated from the iron or synthetic resin lid or tightening band,
Separate collection is possible.

On the other hand, according to the structure of the tightening band of the present invention, when one of the lids of the fiber drum is fixed to the fiber drum main body by this tightening band, when a plurality of fiber drums are stacked, The engaging claw engages with the concave portion of the lid of the upper or lower fiber drum, and the lateral displacement of the fiber drum is prevented.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings showing the embodiments thereof. FIG. 1 shows an embodiment of a fiber drum according to the present invention. As shown in the figure, the fiber drum 1 includes a cylindrical fiber drum body (hereinafter, referred to as “main body”) 2 made of paper, an upper lid 3, a bottom lid 4, and a first tightening band (hereinafter, referred to as “first body”). 1 band ”) 5 and a second tightening band (hereinafter referred to as“ second band ”) 6.

The upper lid 3 and the bottom lid 4 are made of iron, and as shown in FIGS. 2 and 3, fitting portions 31 and 41 which fit into both openings 21 and 22 of the main body 2 are formed so as to project to one side surface. Recesses 32 and 42 are provided on the other side surface. Further, between the peripheral edge portions 33, 43 of the upper lid 3 and the bottom lid 4 and the fitting portions 31, 41, grooves 34, 44 into which the open end portions of the main body 2 are fitted are formed. That is, the top lid 3 and the bottom lid 4 are formed by pressing an iron plate.

The first band 5 and the second band 6 are both ring-shaped, and as shown in FIGS. 4 and 5, a band main body 52 (62) partially provided with a slit 51 (61).
And a lever type clamp (shrimp metal fitting) 7 as a tightening means for reducing the diameter of the band body 52 (62). Further, as shown in FIG. 6, the band main body 52 of the first band 5 is composed of a fixing portion 52a and an engaging claw 52b. As shown in FIG. 2, the fixing portion 52a has a U-shaped cross section and has a ring shape, and the engaging claw 52b is formed so as to rise vertically from one side of the U shape of the fixing portion 52a. It is provided all around. Engaging claw 52
b has a diameter that engages with the recess 42 of the bottom lid 4 when the first band 6 is in a reduced diameter state.

The second band 6 is the same as the first band 5 except that the band body 62 has a ring shape with a U-shaped cross section, and the engaging claws 52b are not provided.
The lever-type clamp 7 is, as shown in FIGS. 4 and 5,
Band main body 52 (62) sandwiching the slit 51 (61)
A first member 71 and a second member 72 fixed to
It is composed of a lever 73 and a connecting ring 74 that connect the first member 71 and the second member 72. The lever 73 is rotatably supported by the first member 71,
The connecting ring 74 is rotatably supported by an intermediate portion between the second member 72 and the lever 73.

That is, in this lever type clamp 7, the lever 73 is turned to rotate the band main body 52 on the side of the first member 71.
When it follows along (62), the second member 72 is pulled toward the first member 71 side via the connecting ring 74, and the band body 52 (62) is reduced in diameter as shown in FIG. . Further, when the lever 73 is rotated to the second member 72 side, the slit 51 (61) expands, and as shown in FIG. 5, the band main body 52 (62) expands in diameter.

The fiber drum 1 can be used as follows. The bottom cover 4 covers one opening of the main body 2. That is,
The fitting portion 41 of the bottom lid 4 is fitted into the inside of the opening of the body 2 and the opening edge of the body 2 is fitted into the groove 44 of the bottom lid 4.

The peripheral portion 43 of the bottom lid 4 is formed by the band body 62.
And the second band 6 so as to surround the open end of the main body 2.
To the main body 2. At this time, the lever 73 of the lever type clamp 7 is rotated to the second member 72 side,
That is, the slit 61 is expanded. The lever 73 of the lever clamp 7 is rotated along the band body 62 on the first member 71 side to reduce the diameter of the band body 62.

Due to this diameter reduction, one side of the U-shape of the band main body 62 is pressed against the outer wall surface of the main body 2 so that the bottom cover 4 is firmly fixed to the main body 2 by the second band 6. After the contents are put into the main body 2 through the opening on the other side of the main body 2, the opening on the other side is covered with the upper lid 3. That is, the fitting portion 31 of the upper lid 3 is fitted inside from the opening portion of the main body 2, and the opening edge of the main body 2 is fitted into the groove 34 of the bottom lid 3.

The peripheral portion 43 of the bottom cover 4 is formed by the band body 62.
And the second band 6 so as to surround the open end of the main body 2.
To the main body 2. At this time, the lever 73 of the lever type clamp 7 is rotated to the second member 72 side,
That is, the slit 51 is kept expanded. The lever 73 of the lever clamp 7 is rotated along the band body 52 on the first member 71 side to reduce the diameter of the band body 52.

Due to this diameter reduction, one side of the U-shape of the fixing portion 52a is pressed against the outer wall surface of the main body 2 so that the upper lid 3 is firmly fixed to the main body 2 by the first band 5.
The fiber drum 1 is transported by a transport means such as a truck or stored in a warehouse or the like. At the time of transport or storage, many fiber drums 1 are often stacked vertically. Since the engaging claw 52b of the band 5 is projected to the main body 2 and the recess 44 is formed in the bottom cover 4, the engaging claw 52b engages with the recess 44 as shown in FIG. 7 when stacked. , Even if they are stacked high, they will not collapse.

On the other hand, when the fiber drum 1 is used, the upper lid 3 and the bottom lid 4 of the fiber drum 1 can be easily separated from the main body 2 by releasing the lever type clamp 7. That is, the main body 2 made only of paper and the top lid 3, the bottom lid 4, the first band 5, and the second band 6 made of iron or synthetic resin can be easily separated, and the recycling becomes easy.

The fiber drum according to the present invention is not limited to the above embodiment. For example, in the above embodiment, the first band 5 is used for the upper lid 3 and the second band 6 is used for the bottom lid 4, but the first band 5 is used for the bottom lid 4 and the second band 6 is used for the upper lid 3. You may use it for. Further, although the lever type clamp 7 is used as the tightening means in the above embodiment, a clamp screw may be used.

[0025]

Since the fiber drum according to the present invention is constructed as described above, it can be easily separated for each material forming the fiber drum, which facilitates recycling. On the other hand, since the tightening band according to the present invention is configured as described above, if it is used as the tightening band of the fiber drum, it is possible to prevent the collapse of the load when the fiber drums are stacked.

Therefore, even if the fiber drums are piled up in a high number of stages, the transportation work and the like can be made easy and safe, and a large amount of fiber drums can be stored in a small space.

[Brief description of drawings]

FIG. 1 is a partially cutaway sectional front view of a fiber drum according to the present invention.

FIG. 2 is a cross-sectional view illustrating a fixed state between a top cover and a main body of the fiber drum of FIG.

FIG. 3 is a cross-sectional view illustrating a fixed state between a bottom cover and a main body of the fiber drum of FIG.

FIG. 4 is a plan view illustrating an opened state of the tightening band.

FIG. 5 is a plan view illustrating a closed state of the tightening band.

FIG. 6 is a perspective view illustrating a state in which the first tightening band is closed.

7 is a cross-sectional view of the fiber drums of FIG. 1 in a stacked state.

FIG. 8 is a cross-sectional view of the vicinity of the upper opening of a conventional fiber drum.

FIG. 9 is a cross-sectional view near the bottom of a conventional fiber drum.

[Explanation of symbols]

 1 Fiber Drum 2 Fiber Drum Main Body 3 Top Lid 4 Bottom Lid 5 First Tightening Band 6 Second Tightening Band 7 Lever Clamp (Tightening Means) 32 Recessed portion 33 Peripheral portion 34 Groove 42 Recessed portion 43 Peripheral portion 44 Groove 52b Engaging claw

Claims (2)

[Claims] 1. A paper-made tubular fiber drum main body, and a fitting portion that fits inside an opening of the fiber drum main body is formed to project from one side surface and a concave portion is formed to the other side surface. And a pair of upper and lower lids in which a groove facing the vicinity of the opening of the fiber drum main body is formed between the peripheral edge portion and the outer wall surface of the fitting portion, and the opening end portion of the fiber drum main body is defined by the peripheral edge portion of the lid. A fiber drum, which is also surrounded, and has a diameter reduced through a fastening means to fasten the peripheral edge portion of the lid at the inner peripheral surface and the fiber drum body to fix the lid to the fiber drum body. 2. The tightening band according to claim 1, wherein when a plurality of fiber drums are stacked, the engaging claws are engaged with the recesses of the lids of the other fiber drums stacked above or below. A tightening band used for a fiber drum, which is characterized by being provided with.