KR20210148008A - Foldable Sliding Container - Google Patents

Abstract

The present invention relates to foldable sliding containers (10, 30) which are able to easily switch from 40 feet into 20 feet or from 20 feet into 40 feet by two top sliding side rails or three bottom sliding side rails (20), have a large number of movable wedges (35) for container weight respectively placed on the three bottom sliding side rails (20), and evenly disperse the load on the sliding side rails (20) when shipping a full cargo of 40 feet. Therefore, the present invention is able to halve the space occupied by an empty container of 40 feet in the ships, railroads, trailer vehicles, and yards (shipyards), improve the efficiency of transportation or storage by 50%, and remarkably reduce the time for shipping and unloading and the logistics cost.

Description

Foldable Sliding Container {Foldable Sliding Container}

The present invention relates to a folding sliding container (Foldable Sliding Container), and more particularly, the inefficiency of occupying a certain space during transportation by ships, railroads and trailer vehicles of a 40-foot empty container, 40 feet to a container ship in a port Inefficiencies such as a decrease in work speed when loading and unloading empty containers, inefficiencies in space occupancy when loading 40-foot empty containers in the yard (yard), and 40-foot empty containers ( Empty) This is to improve inefficiencies such as traffic jams due to an increase in the number of vehicles during loading.

It is estimated that nearly half of the amount that is shipped or loaded and moved by ships, railroads and trailer vehicles is empty containers. There were problems such as that the logistics cost was too high to be stored or transported beyond imagination. Thus, although various attempts have been made to improve the profit service, empty containers (Empty) have been piling up in yards (yards), intermodal transportation facilities and ports. A recent trend is that it is estimated that it costs billions of dollars per year to relocate empty containers worldwide, and this cost is reflected in each product and passed on to end consumers.

Registered Patent No. 10-2208975 (2021.01.22) Self-folding, stackable multimodal shipping container Registered Patent No. 10-1375806 (2014.03.12) Sliding door type folding container Registered Patent No. 10-1534619 (2015.07.01) Opening/closing device for folding container Registered Patent No. 10-1439073 (2014.09.01) Folding container with torsion bar applied sliding door Registered Patent No. 10-1497842 (2015.02.24) Folding container including actuator Patent Publication No. 10-2020-0065020 (2020.06.08) Folding frame for container and hinge member thereof Registered Patent No. 10-1416819 (2014.07.02) Folding container

Most of the foldable containers on the market are invented to stack the base (bottom plate, BOTTOM (UNDER STRUCTURE)) and the roof (top plate, TOP (ROOF)) up and down so that they are stacked. This is to increase the efficiency of transportation by reducing the number to 1/4 and then stacking it. This is characterized in that the front panel (31, Front Panel), the rear door side panel (23, Rear Door Side Panel) and a pair of side walls (Side Panel, that is, Right & Left Side Panel) are automatically folded. It is currently in use for very few trials on the market, and information can be easily obtained from search sites. However, it has not been popularized due to inefficiency in use and other reasons.

The present invention typically transports one 40-foot empty container (Empty) in the case of sea transportation of a container ship, railroad or land transportation by a trailer vehicle, but one bay of a container ship (Bay, occupying two 20-foot containers), railway The volume occupied by an empty container (empty) during sea or land transportation by improving the inefficiency of occupying the whole of one wagon or trailer vehicle by It aims to improve the inefficiency of the 40-foot empty container by 50% by reducing the cost by 50%.

In addition, in the event of a lack of a 20-foot container, a 40-foot container can be folded directly into a 20-foot container, that is, in a sliding manner, and can be used immediately as a full cargo container (Full Cargo Container).

In addition, it is also intended to reduce the work time by 50% by enabling the direct conversion from a 40-foot empty container (Empty) to a 20-foot container (Empty) during loading and unloading cargo operations of the port gantry crane.

In addition, when loading a 40-foot empty container (Empty) in the yard (yard), the inefficiency of the space occupied by a 40-foot empty container (Empty) is more than doubled by folding and loading immediately to convert to a 20-foot empty container (Empty) It also serves as its purpose to make it possible to make it possible.

The collapsible sliding container can be converted at any time to 40 feet or 20 feet, resulting in increased work speed as well as maximum capacity. This divides the 40ft container in two so that the front part 31 is sliding, the rear door part 23 is fixed, and the front part 31 of the 40ft empty container is inserted into the rear door part 23 This allows for conversion into a 20-foot empty container. In addition, it enables the conversion of a 40-foot to 20-foot container or a 20-foot 40-foot container by the sliding side rail 20, which is a key component. Transitions are made possible by using a spreader such as a traddle carrier, reach stacker, full & empty container handler, etc. In addition, when the forklift does not have the above equipment, the forklift can be used immediately or immediately by 20 feet or 40 feet. Allows for conversion to feet.

It can increase the transport efficiency of ships, rail and trailer vehicles in 40ft empty containers. That is, it enables the conversion of a full cargo container to a container for shipment by converting an empty container to a 20-foot or 40-foot container as soon as necessary, regardless of each condition, It increases the efficiency of transportation by reducing the volume occupied by 50% during sea transportation of a 40-foot empty container (empty) and land transportation by rail and trailer vehicles. One embodiment of FIG. 2 shows that a 40-foot empty container occupies 40% or more, and if it is possible to directly convert a 40-foot empty container (Empty) that is moved to a 20-foot empty container (Empty), the present invention Even if the manufacturing cost of the folding sliding container 10, 30 is increased to a certain extent, and the inner area is slightly reduced as it is slid and inserted, it is possible to give a larger profit to the shipper, ship owner and container handling company. It was conceived with a point In addition, we believe that it can reduce traffic congestion to some extent, such as overflowing empty containers in the yard or overflowing empty container trailer vehicles on the road.

Representative diagrams are diagrams showing one embodiment of a 40-foot to 20-foot conversion or a 20-foot to 40-foot conversion of a collapsible sliding container (10, 30).
1 is an example showing a scene of loading and unloading by a gantry crane at a port wharf, showing that the work speed can be doubled when loading and unloading two 20 feet at a time than when loading one 40 feet, and also This photo shows that if a pit bin can be folded into a 20-foot bin, the loading capacity of a 40-foot empty container (empty) can more than double.
2 is a scene of a program showing one embodiment of an actual shipment situation of a 4,500 TEU (1 TEU is one 20-foot container) class container ship, and the contents are an empty container (Empty) out of a total of 2,837 Units (4,178 TEU) ) is 2,305 Units, and out of 2,305 Units of empty containers, 40-foot empty containers account for 1,216 Units, accounting for 52.8%, and out of 2,837 Units of total shipments, 40-foot empty containers (Empty) account for 52.8%. 1,216 Units accounted for 42.9% of the total shipment volume of 2,837 Units, and the total amount occupied by 20-foot and 40-foot empty containers was 2,305 Units, exceeding 81.2%, showing an example of a very high proportion.
3 is a front view showing a foldable sliding 40-foot container (Foldable Sliding Container, 10), showing that it can be folded by three of the lower part and two sliding tops or bottom side rails 20 of the upper part.
4 is a front view showing a foldable sliding 20-foot container (Foldable Sliding Container, 30), showing that it can be folded by three of the lower part and two sliding tops or bottom side rails 20 of the upper part.
5 is a front view showing the inside of the unfolded 40-foot collapsible sliding container 10 or the inside of the folded 20-foot collapsible sliding container 30 .
6 is an internal and external structural diagram showing the inside of the sliding top or bottom side rail 20 of the collapsible sliding 40-foot container 10, the movable sliding side rail 20 Feet or 20 feet can be seated in place, which can be interlocked by the equipment used when converting from 40 feet to 20 feet or from 20 feet to 40 feet to give each standard size.
7 shows a front inner portion sliding side rail 33 movable between a sliding top or bottom side rail 20 and a front portion inner lower flooring 48 of a collapsible sliding container 40 feet (10) or 20 feet (30). ) and a movable container weight wedge (35), which also holds the weight of a 40-foot full cargo when loading and unloading a container with a sliding side rail (20) and a lower flooring material (48) of the container (48). It shows that it serves to distribute the load applied to the sliding side rail 20 by adhering the It is a view showing that the wedge 35 for the weight of the container can be moved and interlocked by car.

Conversion of a 40 foot collapsible sliding container 10 to a 20 foot collapsible sliding container 30 or a 40 foot collapsible sliding container 30 of a 20 foot collapsible sliding container 30 as shown in a representative view or in FIGS. The conversion to 10) is made possible by means of the sliding top or bottom side rails 20, which are the main key components.

In addition, the sliding side rail 20 must be designed and manufactured with sufficient strength to withstand the maximum weight of a 40-foot container during full cargo loading.

In addition, the front part 31 of the 40-foot foldable sliding container 10 is designed to slide and insert the container into the rear door part 23 .

And, between the two panels that can occur between the rear part outer container 23 and the front part inner container 31 when watertight when the 40-foot container is expanded or when folded by 20 by the movable flexible inner panel 15 It eliminates the gap between the top/bottom/left/right 4 sides.

In addition, the upper/lower/left and right four surfaces are watertight by the inner and outer rubber packings 25 .

In addition, the sliding top or bottom side rail 20, which is a key component, is mounted on three container bottoms and two container roofs, and can support the load of the container when it expands to 40 feet by the sliding side rail 20, When converting to 20 feet or 40 feet, it can be changed to a desired size (20 feet or 40 feet) by the 20 feet or 40 feet standard fixing clasp 55 inside the movable sliding side rail 20.

In addition, there is a hole 45 that allows the forklift to be pushed from 40 feet to 20 feet. When converting 20 feet to 40 feet with a forklift, the lower part of the Front Corner Post Both corner castings (47, Corner Castings) are fixed with a fork lift with wire slings, etc.

In addition, the movable front inner portion of the sliding side rail 20 is seated on the sliding side rail 33 and the movable container weight wedge 35 is interlocked and movable, and the container load of the front portion 31 is evenly can support

And, the weight wedge 35 can be automatically interlocked and moved to be folded or unfolded by a gap due to a difference in size of the latch 57 attached to the front part inner container flooring material 48 .

The container market is very wide worldwide, and nearly 95% of imports and exports are carried out by sea transport, and more than tens of millions of TEU containers are moved around the world every year. Of these, nearly half of the containers are estimated to be empty containers, and it is believed that the present invention can greatly contribute to the increase of national interest when put to practical use. China, a major container manufacturing country, currently accounts for 96% of the global container manufacturing market share, and has the highest advantage in the container manufacturing market by reducing working hours or deliberately adjusting production rates. Accordingly, Korea is trying to establish a foothold as a production base for the highest-priced container manufacturing market due to the imbalance in international container supply and demand, mainly with maritime-related public companies in early 2021, but there are many doubts about its effectiveness. Therefore, the present inventor's folding sliding container is confident that it can make a great contribution to the increase of national interest by proposing that it can revive Korea's position as the world's largest container manufacturing and production country in the 80s and 90s and again exert the banner of export and entry.

10 : Foldable Sliding 40ft Container
30: Foldable Sliding 20ft Container
20: Sliding Top or Bottom Side Rail
11: Top Side Rail
15: Movable Flexible Inner Panel with 4 sides
21: Bottom Side Rail
23: Rear Door Side Panel
25: Rubber packing on 4 sides
27: Fixed Rear Side Sliding Side Rail
31: Front Side Panel
33: Movable Front Side Inner Sliding Side Rail
35: Movable Wedge for Container Weight
45: Forklift fixing hole (Hole for Fixing Fork lift)
47: Corner Casting
48: Front Side Inner Container Bottom Beam
55: Finger Stop of Inner Side Movable Sliding Side Rail for Fixing of 20ft or 40ft Container's Demension
57: Finger Stop of Front Side Inner Container Bottom Beam

Claims (7)

As a collapsible sliding container
A collapsible sliding container that can be converted from 40 feet to 20 feet or from 20 feet to 40 feet by sliding top or bottom side rails on the container floor and roof. The sliding side rail according to claim 1, wherein the sliding top or bottom side rail has a locking member capable of supporting a load and fixing 20 feet or 40 feet inside the sliding side rail. The sliding side rail according to claim 1, wherein a plurality of movable container weight bearing wedges are provided on the upper portion of the front sliding side rail to evenly distribute the load. [Claim 4] The folding sliding container according to claim 3, which is attached to and fixed to the bottom of the container, can move together with the sliding container in the front, and has a latch on the bottom of the container in the front part that moves in conjunction with the container weight support wedge. . The method according to claim 1, which is attached to the end of the front container and acts as a cushion to eliminate the gap between the four sides depending on the degree of folding when changing from 40 feet to 20 feet A collapsible sliding container with a movable flexible inner panel that eliminates gaps in the face folds. The rubber of claim 1, which maintains watertightness between the front container and the rear container, and is attached to the inner/outer panel and the flexible inner panel that move in conjunction with the front container, the back container, and the flexible inner panel. Collapsible sliding container with packing. The foldable sliding container according to claim 1, wherein the fork of the forklift is fixed when the forklift is converted from 40 feet to 20 feet by the forklift, and the forklift is pushed to enable conversion from 40 feet to 20 feet.

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