Solid material for vehicle stuck-escape and manufacturing method thereof

A solidified calcium chloride material, molded for tire engagement, addresses the inefficiencies of towing and snow-melting agents by enhancing tire grip and environmental sustainability.

JP2025151040APending Publication Date: 2025-10-09NEXCO SUPPORT NIIGATA
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Patent Information

Application Number
JP2024052259
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-10-09

AI Technical Summary

Technical Problem

Existing methods for freeing stuck vehicles in snowy conditions, such as towing and spreading snow-melting agents, are cumbersome, risky, or ineffective, and pose environmental hazards due to the use of calcium chloride.

Method used

A solid material made from solidified calcium chloride, molded into shapes corresponding to tire dimensions, is used to enhance tire grip by engaging with the tire surface, facilitating quick escape and packed for easy handling and storage.

Benefits of technology

The solid material effectively increases tire grip, enabling quick vehicle extraction without damage or injury, while utilizing waste calcium chloride and reducing environmental impact.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a solid material for vehicle stuck-escape and a method for manufacturing the same, which is suitable for regular carriage according to vehicle type, easy to handle, and capable of improving the grip (friction) of the tires when placed in front of and behind the tires of a stuck vehicle, thereby enabling rapid escape upon escape operation.SOLUTION: A method comprises: a step of heating and melting a raw material composed of calcium chloride; a molding step of pouring the heated and melted raw material into a mold before crystallization and shaping it into a plate-like or rectangular block corresponding to the vehicle's tires; and a packing step of bagging the molded product so that it can be carried.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to a solid material for escaping from a stuck state and a method for manufacturing the same, and more particularly to a solid material for escaping from a stuck state, i.e., a state in which a vehicle's tires become stuck in snow, losing friction and spinning, making it unable to move forward or backward, and a method for manufacturing the same. [Background technology]

[0002] In recent years, common issues on expressways and national highways during the snowy and icy season include accidents, broken-down vehicles, and traffic jams caused by snowfall, as well as the need for effective measures to deal with large-scale vehicle backlogs caused by delayed snow removal, inability to climb slopes, and vehicles becoming stranded. Specifically, when snow accumulates and a large vehicle becomes stuck at the junction with the toll gate exit despite being equipped with tire chains, and there is no detour for following vehicles, major traffic jams are unavoidable, and measures to prevent this are an urgent issue.

[0003] The first method of escaping a stuck vehicle is towing, but this cannot be done without a towing rope or wire, and in the case of large trucks, a large towing vehicle is required, and towing can also cause problems such as vehicle damage and personal injury.A second method is to spread snow-melting agent made from calcium chloride, but most commercially available snow-melting agents are granular and packed in large bags, making them difficult to carry and handle as a regular item, and if the vehicle cannot be escaping immediately after spreading, the agent will quickly be consumed by the back and forth movement of the tires, which does not contribute to improving tire friction, resulting in the problem of having to repeat the spreading and escaping operations many times.

[0004] On the other hand, salt compounds in waste undergo thermal decomposition during the incineration process to form hydrogen chloride gas, which is then removed by reacting with lime or other materials to produce calcium chloride, which is then disposed of in landfills. Calcium chloride is easily soluble in water, so it dissolves and washes away with rain. However, since most landfill sites are located inland, in mountainous areas, the concentrations of chloride ions and calcium ions in the leachate increase, causing various problems. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Publication No. 9-241621 Summary of the Invention [Problem to be solved by the invention]

[0006] As mentioned above, there are two ways to get a stuck vehicle out of the way: towing or spraying snow-melting agent. However, towing requires a towing vehicle and towing equipment, making it difficult to respond quickly and posing a risk of damaging the vehicle or injuring workers. Spreading snow-melting agent is not only difficult to carry and handle, but also poses the problem of the vehicle becoming buried in snow within a short time of being sprayed, making it unable to contribute to improving tire friction.

[0007] The present invention has been made to solve the above problems, and its objective is to provide a solid material for escaping from a stuck vehicle, which is easy to handle and suitable for carrying around at all times according to the vehicle type, and which, when placed in front of or behind the tires of a stuck vehicle to perform the escape operation, increases the grip (friction) of the tires, enabling quick escape, and a method for manufacturing the same. [Means for solving the problem]

[0008] The invention of claim 1, which aims to solve the above problem, is a method for manufacturing a solid material for escaping from stuck areas, which comprises the steps of: a step of heating and melting a raw material made of calcium chloride; a step of molding the heated and melted raw material into a plate or square block shape corresponding to a vehicle tire by placing the heated and melted raw material in a mold before crystallizing; and a step of packing the molded product into a bag for portability.

[0009] In one embodiment, the raw material is calcium chloride, a waste material that has been solidified by absorbing moisture.

[0010] The invention according to claim 3, which is intended to solve the above problem, is a solid material for escaping from a stuck state, manufactured by the method according to claim 1 or 2.

[0011] In one embodiment, the solid material is formed into a plate or square block shape having dimensions corresponding to the width of the tire. In another embodiment, the solid material is formed into a plate shape and has an uneven portion on one or both sides. In another embodiment, the solid material is colored. [Effects of the Invention]

[0012] As the solid material for escaping from a stuck vehicle according to the present invention is as described above, it is easy to handle and suitable for carrying on hand at all times according to the vehicle type. By placing it in front of and behind the tires (drive wheels) of the stuck vehicle and performing the escape operation (moving it forward and backward), the tires engage with the unevenness of the solid material, improving grip, thereby enabling quick escape. Furthermore, according to the manufacturing method of the solid material for escaping from a stuck vehicle according to the present invention, calcium chloride, which is waste that has absorbed moisture and solidified, is used, which has the effect of making effective use of waste and can also contribute to alleviating the problem of calcium chloride leaching when landfilled, causing various adverse effects on the environment. [Brief explanation of the drawings]

[0013] [Figure 1] 1 is a perspective view showing an example of the shape of a solid material for escaping from a stuck state according to the present invention; [Figure 2]10A and 10B are perspective views showing other examples of shapes of the solid material for escaping from a stuck state according to the present invention. [Figure 3] 1 is a perspective view showing a method of using the solid material for escaping from a stuck state according to the present invention. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0014] The present invention will be described in detail with reference to the accompanying drawings, in which: a method for manufacturing a solid material for escaping from a stuck state according to the present invention comprises the steps of: heating and melting a raw material made of calcium chloride; molding the heated and melted raw material into a plate or square block shape corresponding to a vehicle tire before crystallization; and packing the molded product into a portable bag; and the solid material for escaping from a stuck state according to the present invention is manufactured by the above manufacturing method.

[0015] The calcium chloride used as raw material is mainly calcium chloride that has absorbed moisture and solidified and become waste. If necessary, this moisture-absorbed and solidified calcium chloride is crushed to an appropriate size and then heated and dissolved. The heated and dissolved raw material will crystallize if heated too much, so before that happens, it is poured into a mold and left to solidify for a while, and after solidification, it is packed into bags (preferably vacuum packed).

[0016] The solid material 1 for escape from a stuck vehicle manufactured as described above can have any three-dimensional shape, such as a plate (FIG. 1(A)), a barnacle (FIG. 1(B)), or a square block with a trapezoidal cross section (FIG. 1(C)). When formed into a plate, it is made into a rectangular shape corresponding to the size of a tire, for example. As will be described later, this solid material 1 is placed in front of and behind the tire of the stuck vehicle, with the tire sitting on it, so it is preferable that it be rectangular with a width roughly corresponding to the width of the tire. Note that the size of the tire varies depending on the size of the vehicle, so solid materials 1 are prepared in different length and width sizes for small vehicles, medium vehicles, large vehicles, etc., and the driver selects the size that corresponds to their vehicle and carries it.

[0017] When the solid material 1 is plate-shaped, it is preferable to provide one or both surfaces with an uneven portion. The uneven portion may be formed regularly or randomly. In the example shown in Figure 2, angled ridges 3 are arranged in parallel on one surface of the plate-shaped solid material 1, giving it a sawtooth cross section. In the case of solid materials 1 of this shape, two sheets can be stacked upside down to fit neatly into a bag.

[0018] In the case of any of the above-mentioned shapes of the solid material 1, it may be colored appropriately. In this case, it can be distinguished from snow when in use, and it becomes easy to check the amount and position of placement.

[0019] The solid material 1 for escaping from a stuck situation according to the present invention is packed in a bag, making it easy to handle, and suitable for carrying in an appropriate amount in the trunk of a car, etc. Typically, if the solid material 1 is in the form of a plate, it is stored in a bag 2 in pairs, and if it is in the form of individual square blocks, one bag 2 is filled with an amount for approximately one or two uses.

[0020] To use the bag, the solid material 1 is removed from the bag 2 and placed in front of and behind the tire (drive wheel) 5 if it is in plate form. If it is loose, an appropriate amount of solid material 1 is placed in front of and behind the tire 5. When the vehicle is driven forward or backward in this state, the tire 5 rides on and engages with the relatively large, uneven solid material 1, unlike granules, increasing the grip. Furthermore, the solid material 1 gradually crumbles and melts, allowing the vehicle to escape. In particular, if plate-shaped solid material 1 is used for a large vehicle, the solid material 1 curves along the tire, ensuring a sufficient contact area, further enhancing the engagement and significantly contributing to the recovery of the grip. Remaining solid material 1 will be buried in the snow and disappear naturally, so it can be left as is after escaping, and will function as a preventative measure for following vehicles from getting stuck.

[0021] As described above, the solid material 1 for escaping from a stuck state according to the present invention is a large solid object packed in a bag, and its convenience can be summarized as follows. 1) Each product is individually packed in a bag, making it easy to handle and carry. 2) The solid material 1 can be easily moved to the area where snow melting is desired, and the tires 5 engage with the unevenness of the solid material 1, increasing grip, preventing tire spin and enabling quick escape. 3) There are no restrictions on applicable vehicles. 4) There is no need for towing, jacking, or other operations, and the vehicle can be freed by itself, eliminating the risk of damage to the vehicle or injury to workers. 5) In addition to the immediate effect of calcium chloride, the solidified form also has a delayed effect, which sustains the snow-melting effect and is expected to prevent following vehicles from getting stuck. 6) The raw material is mainly calcium chloride, which has absorbed moisture and solidified as waste, so it is an effective way of utilizing waste materials. 7) It allows for the rapid escape of stuck vehicles, thereby avoiding major traffic jams caused by stuck vehicles.

[0022] As mentioned above, the solid material 1 for escaping from a stuck vehicle according to the present invention is primarily intended to enable a stuck vehicle to move off quickly, but it is not limited to this and can also be used for long-term snow melting, for example, by placing it near equipment installed at toll booths, etc. [Industrial Applicability]

[0023] The present invention has the above-mentioned convenience and is effective in contributing to the alleviation of the problem of calcium chloride leaching out of landfilled land and causing various adverse effects on the environment, and therefore has great industrial applicability. [Explanation of symbols]

[0024] 1. Solid materials 2 bags 3 Chevron 5 Tires

Claims

1. A method for manufacturing a solid material for escaping stuck areas, comprising the steps of: a step of heating and melting a raw material made of calcium chloride; a step of putting the heated and melted raw material into a mold before crystallizing it and shaping it into a plate or square block shape corresponding to a vehicle tire; and a step of packing the shaped product into a bag so that it can be carried around.

2. 2. The method for manufacturing a solid material for escaping from a stuck state according to claim 1, wherein the raw material is calcium chloride, a waste material that has absorbed moisture and solidified.

3. A solid material for escaping from a stuck state, produced by the method of claim 1 or 2.

4. 4. The solid material for escaping from a stuck state according to claim 3, wherein the solid material is formed into a plate or square block shape having dimensions corresponding to the width of the tire.

5. 4. The solid material for escaping from a stuck state according to claim 3, wherein the solid material is formed in a plate shape and has an uneven portion on one or both sides thereof.

6. The solid material for escaping from a stuck state according to claim 3, wherein the solid material is colored.

Citation Information

Patent Citations

  • Snow-melting agent

    JP1997241621A