JPH029681Y2 - - Google Patents

Description

[Detailed Description of the Invention] Technical Field The present invention relates to slippers, and is particularly suitable for trains such as the Shinkansen, sightseeing buses, hospitals, etc., is comfortable to wear, does not stain the heels, and is extremely inexpensive.
This invention relates to simple slippers that can be recycled.

Prior Art In the past, many proposals have been made regarding simple slippers to suit each of the above-mentioned uses.
Conventional slippers of this type have not been able to satisfy all conditions such as comfort, resistance to soiling of socks, price, productivity, and post-processing properties. An example of a conventional slipper 1 is explained with reference to FIGS. 1 and 2. This slipper 1 is used in practical use, but the bottom plate 2 is formed to be extremely elongated to match the shape of the user's foot. , especially the heel rest part 2
The width of a is narrow. Although cardboard is used as the core material 3, this is covered with a synthetic resin sheet 4, and the edges 4a of the sheet are heat-welded. The upper skin 5 is made of the same synthetic resin as the sheet 4, and its central portion 5a is folded so that it can be expanded during use, and its edge portion 5b is heated together with the edge portion 4a of the sheet 4 of the bottom plate 2. It is welded.

According to such a conventional example, first of all, since the width of the heel rest part 2a is narrow, even during normal walking,
Another drawback was that, especially when relaxing on a train and leaning your feet a little, your heels would stick out and your socks would get dirty. It is well known that when sitting on a train, etc., very few people keep their feet together properly, and many people have the habit of relaxing their legs and tilting them outward. , such shortcomings can be fatal for people who like cleanliness. In addition, from a manufacturing standpoint, the bottom plate 2 of the conventional slipper 1 does not take into account the yield when molding from cardboard material, so there is no possibility that a considerable amount of core material 3 will be wasted. Unavoidably, the yield rate of the core material is poor, and the central portion 5a of the upper 5 must be folded to a predetermined angle and dimension, which requires man-hours and mechanical equipment, and furthermore, the edges 4a, 5b have to be folded. Since it has to be heated and welded, it requires a lot of man-hours, electricity, and equipment costs, and has the disadvantage that the cost is quite high. Furthermore, when looking at the slipper 1 from the perspective of post-processing, the sheet 4 is quite thick, and since it is all made of synthetic resin, there is a risk that toxic gas will be generated by combustion and cause pollution. If a large amount of waste is released as waste, it becomes extremely difficult to dispose of it afterwards, and it is also impossible to recycle it, so it is extremely uneconomical from the standpoint of resource conservation.

Purpose The present invention was made in order to eliminate the drawbacks of the above-mentioned prior art.The purpose of the present invention is to construct the sole plate only from thick paper such as corrugated paper, and to make the heel rest part into the foot rest part. It has a shape that tapers from the constriction provided after the heel to the heel direction, making the width of the heel rest considerably wider than the width of the user's foot. The purpose is to prevent the heel from protruding from the heel rest even when the foot is tilted while relaxing indoors, etc., and to prevent the socks from getting dirty. In addition, other purposes are
The foot opening is also tapered from the toe to the heel, making it easy to put your foot in regardless of the size of your foot. The purpose is to make the shoes comfortable to wear. Another purpose is to allow the toes and heel to naturally bend slightly upward during use due to the muscle lines provided therein, and thereby to allow the toes and heel to bend slightly upward during use. To prevent socks from getting caught on steps on the floor, and to prevent socks from getting dirty even if there is some moisture on the floor. Another purpose is to form muscle pressing lines on both sides of the foot insertion part so that the user can press both edges of the foot insertion part inwardly with one hand. As the edges rise up, the upper skin, which had been in a tense state until then, loosens, allowing the foot to fully fit in. Also, the raised edges wrap around both sides of the foot, giving a sense of security. At the same time, make sure that your socks are not soiled by water, etc. Still another object is to make it possible to print arbitrary information on the upper by constructing the upper with an extremely thin synthetic resin film that does not cause pollution even when burned. The object of the present invention is to increase the commercial value by making it usable for advertisements, etc., and also to make it possible to do so without causing pollution even if it is burned together with the bottom plate, so that post-processing can be easily performed. Another purpose is to make the bottom plate only made of highly elastic and heat-retaining cardboard such as corrugated cardboard, which not only improves usability, but also makes it recyclable and saves resources. The goal is to contribute to the development of society. Another purpose is to set the inclination angles of the taper of the foot-insertion part and the taper of the heel-rest part to be the same, so that when a pair of sole plates are placed adjacent to each other in opposite directions, the two sides will completely interlock with each other. The objective is to facilitate the punching process from a single piece of cardboard material, to achieve extremely high productivity, and to improve the yield of the material to its maximum. A further object is to facilitate the attachment of the film upper by making it possible to apply it under tension quite simply to a completely smooth sole; Therefore, the cost of the slipper can be made very low, so that it can be manufactured at a fraction of the cost of conventional products.

Overview In short, the present invention has a toe part that protrudes forward,
A foot insertion part that tapers outward from the toe part toward the heel at the same inclination angle on the left and right sides, and a foot insertion part that is connected to the maximum width part of the foot insertion part through a steeply angled part and that is approximately connected to the toe part. A constriction of the same width, a heel rest tapered from the constriction toward the heel at the same inclination angle as the foot insertion part, and a heel protruding rearward from the heel rest. A bottom plate is formed of thick paper such as corrugated paper, and a striation line is provided from at least the connection point of both sides of the toe part and the foot insertion part toward approximately the center of the inclined part, and the striation line is the boundary. The side edges of the foot insert are bendable upward, a film-like carapace is placed under tension on the upper surface of the foot insert, and the side edge is adhered to the lower surface of the foot insert. It is characterized by this.

Configuration The present invention will be described below based on embodiments shown in the drawings. 3 to 7, the slipper 11 according to the present invention has a bottom plate 12 made of thick paper such as corrugated paper.
3, and a very thin film-like upper skin 15 is covered under tension on the upper surface of the foot-insertion part 14 of the bottom plate,
The side edge portion 15a is attached to the lower surface 14a of the foot insert. The sole plate 12 includes a toe portion 16 that protrudes forward, a foot insertion portion 14 that tapers outward from the toe portion toward the heel at the same inclination angle A on the left and right sides, and a maximum width portion 14b of the foot insertion portion. The toe portion 1 is connected to
6, a heel rest part 19 that tapers out from the waist part toward the heel at the same inclination angle A as the foot insert part 14;
It consists of a heel part 20 that projects rearward from the heel rest part 19, and in the illustrated embodiment, corrugated paper is used. Also, both sides 16a of the toe portion 16
A recessed line 22 is provided downward from the connection point 21 of the foot insertion part 14 toward the approximate center of the inclined part 17, and the side edge 14c of the foot insertion part 14 is provided with the recess line 22 as a boundary. is configured such that it can be bent upwards, and the lines 23 and 24 are recessed downward at the boundary between the toe part 16 and the foot insertion part 14 and the boundary between the heel rest part 19 and the heel part 20, respectively. The toe portion 16 and heel portion 20 are provided so that they naturally bend slightly upward during use of the slipper 11, as shown in FIGS. 5 to 7.

Function The present invention is constructed as described above, and its function will be explained below. First, referring to FIG. 8, we will explain how to make a mold from the material 26 of the sole plate 12 of the slipper 11 according to the present invention. Therefore, when the pair of bottom plates 12 are placed adjacent to each other in opposite directions, they completely overlap, and there is no gap on either side. Therefore, by drawing the shapes of the bottom plate 12 in opposite directions alternately on the material 26 and forming them in two stages, upper and lower, the material 26 that will become the bottom plate 12 can be punched out with a good yield. Here, the only wasted parts of the material are the intermediate gap 26a and the margin 26b, and the yield rate of the material 26 is increased to the maximum, making it possible to manufacture the bottom plate 12 extremely efficiently and at a very low cost. Reduced. In fact, material 2
By manufacturing a press mold having a blade having the same shape as the contour line 26c of the bottom plate 12 on the bottom plate 6, the bottom plate 1
2 can be mass-produced from material 26.

Each of the reinforcement lines 22, 23, and 24 is also stamped and completed at the same time as the bottom plate 12 is punched out.

The upper skin 14, such as a polyethylene film, is then tautly affixed to the footrest 14 using a suitable automatic machine. In this case, since there is no need to make the upper 14 loose, the pasting work is very easy and productivity is high. Also, before attaching the upper skin 14, advertisements such as the company name of the slipper 11 provider, product name, catchphrase, picture or photo of the product, etc. can be printed, making it very useful for advertising. Helpful.

The completed slippers 11 will be shipped one pair at a time with their bottom surfaces stacked on top of each other.
Since the upper skin 14 is extremely thin, the thickness of the slipper 11 is almost the same as the thickness of the bottom plate 12, that is, the thickness of one piece of cardboard, so the product does not take up much bulk when being transported, has good transport efficiency, and has low transport costs. It gets wet.

Next, the operation of the slipper 11 in use will be explained with reference to FIGS. 3 to 7. Slipper 11 is 1
Since each foot is sold with its bottoms stacked on top of each other, the user who purchases this foot presses both sides of the foot holder 14 inward with the fingers of one hand. Then, both side edges 14c are bent from the reinforcement line 22 and stand up as shown by imaginary lines in FIG. This loosens the upper to an appropriate degree, and completes the foot opening 14 as shown in FIG. The user then wears the slippers 11, but since the foot opening 14 has an appropriate taper, they are easy to put on and difficult to slip off while walking, and even adults and children can use the same slippers. I'll make it in time for 11. When the user walks a little, the toe 16 moves from the muscle line 23 and the heel 20 moves from the muscle line 23 due to the vertical movement of the ankle.
4, the toe portion 16 and heel portion 20 will not get caught on the floor level difference, etc., increasing safety, and the socks will not get dirty even if there is some moisture on the floor surface. . Also, the side edge 14c
As the foot rises, the feet are wrapped from both sides, giving a sense of security and providing a good feeling of use.

In addition, the heel rest part 19 expands from the constriction part 18 toward the heel, and has a considerably wide width.
Even when the user relaxes and tilts both feet, the heels of the feet do not stick out, so the socks do not get dirty.

Slippers 11 after use can be collected and burned at a garbage incinerator, which does not cause any pollution, and can be recycled if necessary. The used slippers 11 that are used have a cash value, help to secure financial resources to some extent, and at least there is no problem in post-processing.

In the illustrated embodiment, the upper surface of the heel rest 19 of the slipper 11 is described as being flat, but if necessary, a reinforcement line (not shown) may be provided upward from the lower surface. A plurality of convex portions may be formed on the upper surface to prevent slipping, or a liquid synthetic resin may be applied in several lines and dried to prevent slipping.

Effects Since the present invention is constructed and operates as described above, the sole plate is made of thick paper such as corrugated paper, and the heel rest is oriented toward the heel from the constricted part provided after the foot insertion part. Since it has a tapered and expanded shape, the width of the heel rest can be made considerably wider than the width of the user's foot, so even when relaxing on a train or with the user's foot tilted,
It is possible to prevent the heel from protruding from the heel rest, and as a result, an excellent effect is obtained in that the socks are not soiled. The foot opening is also tapered from the toe to the heel, making it easy to put your foot in regardless of the size of your foot. It has the effect of improving comfort. Furthermore,
The toe and heel sections are designed to naturally bend slightly upward during use due to the reinforcement lines provided there, so the toe sections and heel sections do not get caught on steps on the floor while walking. Not only that, but your socks will not get dirty even if there is some moisture on the floor. In addition, since there are lines formed on both sides of the foot insertion part, when the user lightly presses both edges of the foot insertion part inward with one hand, both edges will rise up and become tensioned. The instep loosens and allows your feet to fit in, and the raised edges wrap around both sides of your feet, giving you a sense of security and allowing you to wash your socks with water. This has the effect of preventing dirt from getting dirty. Furthermore, since the upper skin is made of an extremely thin synthetic resin film that does not cause pollution even when burned, any information can be printed on the upper skin, and it can also be used for advertisements, etc. It has the effect of increasing the commercial value, causing no pollution even if it is burned together with the bottom plate, and making post-treatment easy. In addition, since the bottom plate is made of cardboard, which is highly elastic and has good heat retention, it is not only comfortable to use, but also can be recycled, contributing to resource conservation. . In addition, since the inclination angles of the taper of the foot insertion part and the taper of the heel part are set to be the same, when a pair of bottom plates are placed adjacent to each other in opposite directions, both sides completely interlock with each other. The punching process is made easy and highly productive,
Moreover, it has the effect of increasing the yield of the material to its maximum. Furthermore, since the film-like upper can be simply attached under tension to the completely smooth bottom plate, attachment of the upper can be facilitated;
Due to these features, the cost of the slipper can be made very low, and an excellent effect can be obtained in that the slipper can be manufactured at a fraction of the cost of conventional products, for example.

[Brief explanation of the drawing]

1 and 2 relate to a conventional example, in which FIG. 1 is a plan view of the slipper in an unused state, FIG. Regarding the embodiment of the invention, FIG. 3 is a plan view of the slipper in an unused state, FIG. 4 is a vertical cross-sectional view of a portion taken in the direction of the arrow in FIG. 3, and FIG. Figure 6 is a vertical cross-sectional view of a portion viewed from the - arrow in Figure 3, Figure 7 is a perspective view of the slipper, and Figure 8 is a partial plane showing the condition of the bottom plate molded from the cardboard material and the yield rate of the material. It is a diagram. 11 is a slipper, 12 is a bottom plate, 13 is cardboard, 1
4 is a foot insertion part, 14a is a lower surface, 14b is a maximum width part, 14c is a side edge part, 15 is an instep, 15a is a side edge part, 16 is a toe part, 16a is both sides, 17 is an inclined part, 18 is a constriction Part, 19 Heel rest part, 20
21 is a connection point, and 22, 23, and 24 are muscle thrust lines.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A toe portion that projects forward, a foot insert portion that tapers at the same inclination angle on both sides from the toe portion toward the heel, and the maximum width of the foot insert portion. a constriction part connected to the part via a steeply sloping part and having approximately the same width as the toe part; and a heel tapered out from the constriction part toward the heel at the same inclination angle as the foot insertion part. A bottom plate consisting of a resting part and a heel part protruding rearward from the heel resting part is formed of thick paper such as corrugated paper, and from at least the connection point of both sides of the toe part and the foot insertion part to approximately the center of the inclined part. A line is provided toward the foot, and the side edge of the foot-insertion part is configured to be able to be bent upward at the line, and a film-like upper skin is placed under tension on the upper surface of the foot-insertion part. Cover,
A slipper characterized in that a side edge portion of the slipper is attached to a lower surface of the foot insert. 2. A utility model registration request characterized in that the sole plate is provided with a reinforced line at the boundary between the toe part and the foot insertion part and the boundary between the heel rest part and the heel part. Slippers according to scope 1.