Flexible Anti-Personnel Mine with Reshapable Shaped Charge
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Solution Overview
Problem
Conventional anti-personnel mines have fixed directional blasts, limiting their adaptability and lethality in various tactical scenarios, as they cannot be reshaped or reconfigured to optimize fragment concentration or deterrence based on specific mission requirements.
Innovation Solution
A flexible anti-personnel mine with a laminated metal spine and a flexible polymer membrane, allowing it to be reshaped into different configurations such as V, C, W, and twisted shapes, embedded with fragmentation elements, and initiated by various detonation methods, retaining the new shape and optimizing fragment distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the anti-personnel mine has a fixed directional blast configuration, then the manufacturing and deployment are simple, but the adaptability to different tactical scenarios is limited
Solution Approach 1:
The patent applies the dynamics principle by making the mine's shaped charge flexible and reconfigurable. The explosive is contained in a flexible housing that can be manipulated into various shapes (V-shape, C-shape, W-shape, twisted shapes) to change the fragment distribution pattern. This allows the same device to adapt to different tactical scenarios by altering its physical configuration rather than requiring multiple fixed-design mines.
Solution Approach 2:
The patent applies parameter changes by allowing the user to modify the geometric parameters of the shaped charge through manual manipulation. By changing the shape of the flexible housing containing the explosive, the user alters the spatial distribution parameters of the fragmentation elements, thereby changing the blast pattern and coverage area to match different operational requirements.
2Object-affected harmful factors
If the directional blast scope is narrowed to increase lethality, then the fragment concentration increases, but the coverage area decreases
Solution Approach 1:
The flexible housing allows dynamic adjustment of the blast scope. By manipulating the housing into different shapes, the user can concentrate fragments into a narrow lethal corridor (V-shape) or spread them over a wider area (W-shape or twisted shape), thereby dynamically balancing lethality against coverage based on the immediate tactical situation.
Solution Approach 2:
The user can change the geometric parameters of the shaped charge by manually deforming the flexible housing. Altering the angle and curvature of the housing walls changes the fragment trajectory and distribution, allowing optimization of the balance between concentrated lethal force and dispersed coverage area.
3Adaptability or versatility
If the shaped charge is made flexible and reconfigurable, then the tactical versatility improves, but the device complexity and difficulty of field manipulation increase
Solution Approach 1:
The patent uses a flexible housing made of flexible material to contain the explosive and fragmentation elements. This flexible shell can be easily manipulated by hand into various configurations without requiring complex tools or mechanisms, making the device both versatile and easy to operate in the field.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables tactical flexibility by altering lethal characteristics in the field, maximizing fragment concentration for high lethality or minimizing it for deterrence, depending on the mine's configuration, enhancing operational effectiveness.
Implementation Method 1
the shaped charge with fixed dimensions that, when detonated, generate a fixed directional blast of shrapnel
Implementation Method 2
when detonated, generate a fixed directional blast of shrapnel
Data Source
AI summary
An anti-personnel mine that is flexible for manipulation in the field to accommodate missions by changing the shape of the C-4. The mine includes M112 seated in and adhered to a flexible housing having a rear involute wall. The involute wall includes a set of projecting folded pair of inclined walls that are about equidistant between a pair of inclined end walls. The inclined walls partitions most, but not all of the thickness of the M112 into segments that are tapered and accommodate the inclined walls. A metal spine, which may be shaped, is adhered to the front surface of the M112. Fragmentation elements and a bottom side of an elastic membrane are adhered to the spine and the front surface of the M112.