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Revolution in marine cargo sector

Revolution in marine cargo sector
A collapsible container designed by two professors from the Indian Institute of Technology in Delhi, India, could revolutionize the marine cargo sector.

A collapsible container designed by two professors from the Indian Institute of Technology in Delhi, India, could revolutionize the marine cargo sector.

A collapsible container designed by two professors from the Indian Institute of Technology in Delhi, India, could revolutionize the marine cargo sector. In less than four minutes, the container is collapsed hydraulically to one-quarter its original size. Kept together with a self-locking mechanism, four vertically stacked containers take up exactly the same space as a regular 20-foot box. More than 52 years ago, Malcom McLean, a North Carolina trucking entrepreneur, originally hatched the idea of using containers to carry cargo. He loaded 58 containers onto his ship, Ideal X, in Newark, N.J., and once the vessel reached Houston, the uncrated containers were moved directly onto trucks ? and reusable rectangular boxes soon became the industry standard.

Anoop Chawla and Sudipto Mukherjee from IIT"s mechanical engineering department worked on the collapsible concept for 3 1/2 years. ?We made at least two models before coming up with the current proof of concept,? Chawla said. ?There were many difficulties we encountered in the entire process ? right from conceptualization to ensuring the structural rigidity of the collapsible container. For instance, we had to ensure there were proper sealing and locking conditions.? The concept also had to be compatible with existing equipment for intermodal transport.

Speed was another concern. ?We wanted to keep the folding and unfolding time to within three to four minutes,? he said. The watertight container, which is fabricated from Corten steel like the standard container and equals its strength, opens upward to allow top loading of commodities.

A system to collapse and erect the container also had to be conceptualized.

?We designed a base station or special platform to fold and unfold the container horizontally within the target time of three to four minutes,? Chawla said. ?The system, which could be hydraulic-based, helps collapse the container automatically.?

It takes a semi-skilled person half a day to one day to be trained on the base station, said Avinder Bindra of Simpri Investments Ltd., who financed the container project. A former banker, Bindra approached IIT, one of India"s best engineering schools, about taking on the challenge. He felt collapsible containers could improve the logistics and decrease the cost of backhauling empty containers.

A great deal of money spent on repositioning empty containers

The shipping industry spends a great deal of time and money repositioning empty containers. If trade was balanced, there would be no empties. But trade imbalance, especially between Europe and North America with Asia, has resulted in approximately 2.5 million TEUs of empty boxes stored in yards around the world, with empties comprising 20 to 23 percent of the movement of containers around the world. According to research conducted by International Asset Systems, the average container is idle or undergoing repositioning for more than 50 percent of its lifespan.

It also determined shipping companies spend US$16 billion in repositioning empties. To compensate for these costs, carriers add surcharges, ranging from US$100 to US$1,000 per TEU, to freight rates.

As for the SIMIIT Four Pack Folding Container, patents have been filed domestically and internationally. IIT holds the intellectual property rights and will share the revenue with Bindra. The three men intend to license out the manufacturing of the new container. Undoubtedly, collapsible boxes would relieve congestion at ports. Storing empty containers takes up prime real estate. For example, the storage yards around the Port of Jersey, U.K., are cluttered with an estimated 100,000 empty containers belonging to leasing companies and an additional 50,000 belonging to ocean carriers. Collapsible empties would be quicker to load, resulting in faster turnaround times for ships. Energy costs would drop, and one trailer rather than four would transport empties.

The concept has already received positive feedback from shipping companies, logistic firms and port operators.


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