Hardened ISO Container Frame for Blast and Ballistic Protection
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Solution Overview
Problem
ISO containers used for housing troops and equipment lack adequate blast, ballistic, and forced entry protection, and their production in remote or field settings is hindered by the need for skilled welders and quality assurance, leading to high costs and inefficiencies.
Innovation Solution
A hardened alternative trailer system (HATS) with a frame assembly and double-walled metal panel construction, incorporating vertical strengthening members that provide resistance to blast, ballistic, and forced entry threats, even with low-quality welds, and a manufacturing method that includes plug welding for reduced reliance on skilled labor and quality assurance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If standard ISO containers are used for housing troops and equipment, then they provide basic shelter functionality, but they lack adequate blast, ballistic, and forced entry protection
Solution Approach 1:
The patent applies composite materials by combining standard ISO container steel structure with additional hardened steel plates and reinforcement elements. The container incorporates a multi-layer construction with outer and inner steel walls, intermediate reinforcement members, and specialized protective panels that provide enhanced blast, ballistic, and forced entry resistance while maintaining the basic container functionality
Solution Approach 2:
The patent implements local quality by providing differential protection levels at different locations of the container. Critical areas such as door frames, corner posts, and wall panels receive enhanced reinforcement with thicker steel plates and additional structural members, while less critical areas maintain standard construction, optimizing both protection and cost-effectiveness
2Ease of manufacture
If ISO containers are produced in remote or field settings, then they can be delivered to field locations, but the need for skilled welders and quality assurance increases costs and reduces efficiency
Solution Approach 1:
The patent applies segmentation by dividing the container into modular sections with pre-fabricated components. The design features standardized panels, pre-assembled wall sections, and interchangeable reinforcement modules that can be manufactured separately and assembled in the field using simplified connection methods, reducing dependence on skilled welders and quality assurance personnel
Solution Approach 2:
The patent implements parameter changes by modifying the connection methods from traditional welding to alternative joining techniques such as mechanical fasteners, interlocking joints, and bolted connections. These parameter changes in the manufacturing process enable field fabrication with reduced skill requirements and lower quality assurance demands while maintaining structural integrity
Data Source
AI summary
A Hardened Alternative Trailer System (HATS) is described, including methods of producing same. HATS has superior blast, ballistic and forced entry protection properties, relative to existing structures, due to particular features of frame design and construction methods. Furthermore, HATS is a low-cost reinforced ISO container suitable for field and/or remote fabrication and meets blast, ballistic/projectile and/or forced entry threats such as the U.S. Department of State Certification Standard SD-STD-01.01, Revision G.