JPH0331238Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to an improvement of a strainer used for straining tea such as coffee powder, Japanese tea, and black tea.

PRIOR ART There are two types of strainers: one in which the strainer body is cleaned and used repeatedly (hereinafter referred to as a reusable strainer), and one in which the used strainer body is discarded (hereinafter referred to as a disposable strainer). ).

To explain the case of reusable strainers using the example of a coffee dripper, firstly, there are those that have a filter (paper) placed inside the case and are used for dripping coffee (for example, −
(See Publication No. 1824). Second, as shown in FIG. 7, there is a cup body 1' having a filter 2' attached to the bottom and dripping coffee powder into the cup body 1'.

Thirdly, as shown in Figure 8, a cartridge-type coffee powder made by packing one batch of coffee powder with a filter 2' is temporarily placed in the bottom of a cup body 1' having a bottomless structure, and a cartridge-type coffee powder 2 which has already been dripped is temporarily placed. There is a structure that discards ′. For Japanese tea, black tea, etc., tea strainers whose strainer part is made of cloth bag or wire mesh are widely known.

To explain the case of a disposable strainer using a coffee dripper as an example, first, a filter filled with coffee powder for one batch is heat-sealed into a heat-sealable waterproof paper packaging container, and then the packaging container is A cutting line is formed along the entire length of one longitudinal side of the cup body 1', and a part of the packaging container and the filter are cut out along the cutting line. Then, as shown in FIG. No shape,
There is one in which this cup-shaped cup is placed on a ring-shaped stand 3' for dripping. Second, as shown in Figure 10, there is a filter 2' in which one batch of coffee powder is packed at the bottom of a bottomless cup body 1'.
There are some that have been fixed. Thirdly, Figure 11〓,
As shown in ¨, a funnel-shaped filter 2' is adhered to the opposite side of the upright plate 1' which is configured to be expandable and foldable at the half-folding part a', and the upright plate 1 is A half-folding wall 4' is formed in a part opposite to the half-folding part a' of ′ so as to be freely expandable and foldable,
There is a structure in which a folding piece 3' is formed on the upper part of the half-folding wall to be folded toward the filter side.

Problems to be Solved by the Invention The first prior art of the reusable strainer described in the above publication changes the wall thickness of the vertical and horizontal stripes of the casing to reduce the protrusion into the interior of the casing. In addition, it is necessary to drill a small outflow hole in the peripheral wall of the apex of the casing, and it is also necessary to cut a vertically long cut on the outer surface of the vertical bar that reaches the peripheral wall of the apex.
The filter placed inside the case has the advantage of not coming into close contact with the horizontal stripes and having small outflow holes or vertically long cuts, etc., which allows the coffee liquid to flow down in a concentrated manner toward the tip of the case. Due to the different protruding dimensions of the horizontal stripes from the inside of the casing, dirt adhering to the horizontal stripes cannot be easily removed, and dirt clogged in the small outflow holes and vertical cuts cannot be easily removed. It takes time to clean. In the second prior art of the same strainer shown in FIG. 7, the bottom of the cup body 1' is constituted by a flat cross-shaped bottom wall 1'', and a filter 2' is stretched on the bottom using the inside of the cross-shaped bottom wall. Because of this, if the filter 2' is clogged with dirt that has entered the inside of the bottom wall 1'', it cannot be removed at all, making complete cleaning and disinfection impossible, resulting in unsanitary conditions. I'm worried about getting used to it. The third prior art strainer shown in FIG. 8 has the advantage that the cup body 1' can be easily cleaned and disinfected, but the filter 2'
Since the cartridge-type coffee powder is simply hooked onto the bottom of the cup body 1', heavy cartridge-type coffee powder may fall into the coffee cup during dripping, making it inconvenient to use. Tea strainers may change color or become clogged with use.

Although the first prior art disposable strainer shown in Figure 9 is water resistant, since it is made of paper, the container absorbs the fat content of the coffee grounds and the dripped coffee liquid ferments quickly. Drinking taste deteriorates. 10th
In the second prior art of the strainer shown in the figure, the means for fixing the filter 2' packed with coffee powder to the cup body 1' is limited to a means that does not affect the human body and the coffee powder. Careful selection and fixing work takes time, resulting in poor productivity and high costs. In the third prior art of the same strainer shown in FIG. 11, by folding the folding piece 3' formed on the half-folding wall 4' toward the filter side, the upright plate 1' and the half-folding wall 4' can be opened into a substantially triangular plane. Although it is possible to make the filter 2' more compact, as shown in the same figure, the opening of the filter 2' becomes narrower, making it easier to spill coffee powder when pouring it in. Conversely, as shown in the same figure, the filter 2'
If you try to widen the opening of the filter to make it easier to put in the coffee grounds, the half-folded wall 4' will come closer to the dead point and form almost a single plane, making it easier to fold toward the filter, making the opening of the filter 2' narrower. Therefore, while actually putting coffee powder into the filter 2', the half-folded wall 4' folds toward the filter, narrowing the opening of the filter 2', and causing coffee powder to spill. Also,
This third prior art has problems in terms of the amount of material used, such as the need for extra material for the half-folding wall 4' and the need to fix both ends or one end of the half-folding wall 4' to the upright plate 1'. There are also problems in terms of productivity, including fixing work.

The present invention has been developed in view of the above circumstances, and is particularly aimed at solving the problems of the third conventional technology of disposable strainers. By providing a folded part at the end of the half-folded part, the opened plate will not collapse, and you can easily put coffee grounds etc. into the filter without worrying about spilling it.A convenient disposable strainer. The purpose is to provide. Another object of the present invention is to provide a disposable strainer that does not require unnecessary use of materials, and a further object of the present invention is to provide a strainer that is highly productive.

Means for Solving the Problems The means of the present invention to achieve the above object is that the protrusion on the upper part of the half-folding part of the container plate, which is configured to be freely expandable and foldable at the half-folding part, is attached to the filter side. This means that it has a fold-in part that can be folded in.

Function Since the present invention is configured as described above, if the plate is opened at the half-folded part and the folded part is folded toward the filter side, the open form of the plate is maintained as it is, and the plate is folded in half. The open state of the filter is also maintained at the same time.

Embodiment To specifically explain an embodiment of the strainer according to the present invention using figures, in FIGS. 1 to 6, 1
is a plate for a strainer according to the present invention, which is composed of a panel in which plastic, aluminum foil, etc. are laminated on the surface of cardboard, and can be freely expanded and folded by a half-folding part a formed in the center. It is composed of

A key-shaped notch 4 into which the upper edge of a container C such as a coffee cup can be inserted is bored in the lower part of the plate 1 near the half-folded part a, and a notch is formed in the lower part on the side opposite to the half-folded part a. 5 is provided. Therefore, the notch 4 and the notch 5
The protrusion 6 surrounded by is configured to fit into the container C.

Further, a mountain-shaped protrusion 7 having a folding part 3 and an extension of the half-folding part a is provided at the upper part of the central part of the plate 1 where the half-folding part a is provided. One side plate 101 and the other side plate 102 that make up the device plate 1 have slanted ruled lines 8 to strengthen the waist and prevent bending.
are provided for each.

Reference numeral 2 denotes a funnel-shaped filter, the opening edge of which is fixed by adhesive 9 to the opposing surface of the container plate 1, that is, the opposing surface of the one side container plate 101 and the other side container plate 102. When the plate 1 is folded at the half-folding part a, it is folded and held between the one side plate 101 and the other side plate 102, and the one side plate 101 and the other side plate 102 are folded and held. When expanded, it is configured so that it can expand widely between these parts in a funnel shape.

The plate 1 of the strainer according to the present invention is constructed such that the lower part is gradually wider than the upper part, as shown in FIG. 4, so that it is easily stabilized.

When the strainer of the present invention is not in use, it is folded flat as shown in Figure 4, and when used, it is
6 and 1, the container plate 1 is unfolded, the filter 2 is opened in a funnel shape, the folding part 3 is folded toward the filter side, and in this state, the container plate 1 is placed on top of the container C. Place it on the edge, insert a part of the upper edge into the notch 4, and fit the protrusion 6 around it into the container C,
Coffee liquid can be obtained in the container C by stabilizing the plate 1 on the container C, then filling the filter 2 with coffee powder and pouring hot water into it.

Effects of the invention Since the strainer according to the invention has the structure and function as described above, by opening the plate and filter and folding the folded part toward the filter, the plate and filter can be expanded into a funnel-like shape. can be maintained as is, and there is no need to worry about the plate or filter being folded during dripping. Therefore, you can put coffee powder into the filter without worrying about spilling it. Moreover, since there is no half-folding wall, there is an advantage that materials can be saved and production can be carried out efficiently.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the strainer of the present invention, Figs. 2 to 6 are explanatory diagrams showing the assembled state, Fig. 7 is a partially longitudinal front view showing a second prior art reusable strainer; Figure 8 is a front view of the same strainer showing the third conventional technology;
FIG. 9 is a partially cutaway perspective view showing a first prior art disposable strainer, FIG. 10 is a partially cutaway front view showing a second prior art disposable strainer, and FIGS.
is a plan view showing a third conventional technique of the same strainer. 1 is the plate, 2 is the filter, 3 is the folding part, and a is the half-folding part.

Claims (1)

[Scope of utility model registration request] A funnel-shaped filter is provided on the opposing surface side of a plate configured to be freely expandable and foldable at a half-folding part, and a funnel-shaped filter is provided in a manner that can be freely expanded and folded together with the plate, and a protrusion protrudes from the upper part of the half-folding part of the plate. A strainer with a fold-in part that folds into the filter side.