Integrated Ammunition Cartridge With Controlled Jacket Detachment
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Solution Overview
Problem
Conventional ammunition cartridges face issues with bullet pull-force deviations due to tolerance differences and crimping deviations, affecting ballistic performance, and are limited in geometry and shape variety by current manufacturing processes.
Innovation Solution
The integration of a single, monolithic enclosure comprising a cartridge case and jacket portion, made of materials like polymer or composite, with a detachment section to allow controlled detachment of the jacket portion, enabling flexible geometry and reduced manufacturing stages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If separate cartridge case and jacket components are used, then manufacturing flexibility is maintained, but bullet pull-force deviation occurs due to tolerance differences and crimping deviation
Solution Approach 1:
The patent merges the cartridge case and jacket into a single integrated enclosure component. This integration eliminates the interface between separate components, thereby eliminating bullet pull-force deviation caused by tolerance differences and crimping deviation. The unified structure ensures consistent projectile retention force while simplifying the overall cartridge construction.
2Adaptability or versatility
If traditional metal cartridge cases are used, then structural strength is maintained, but geometry and shape variety are limited by manufacturing processes
Solution Approach 1:
The patent employs composite materials for the integrated enclosure, combining materials with different properties to achieve both structural strength and manufacturing flexibility. This allows the enclosure to be manufactured as a single component with varied geometries and shapes while maintaining the necessary mechanical properties for reliable cartridge function.
Solution Approach 2:
The patent utilizes parameter changes in material properties during manufacturing to enable complex geometries. By controlling material state transitions and processing parameters, the integrated enclosure can be formed into various projectile shapes and configurations without requiring multiple assembly steps, thereby increasing geometry variety while maintaining ease of manufacture.
3Reliability
If multiple separate components are assembled, then manufacturing flexibility is maintained, but sealing reliability deteriorates due to multiple interfaces
Solution Approach 1:
The patent combines multiple separate components (cartridge case and jacket) into a single integrated enclosure, thereby eliminating multiple assembly interfaces. This reduction in interfaces directly improves sealing reliability by removing potential leakage paths between components while simplifying the overall device structure.
Data Source
AI summary
According to some embodiments of the present invention, an ammunition cartridge is provided herein. The ammunition cartridge may include a cartridge enclosure comprising a cartridge case portion and a jacket portion, wherein the jacket portion is configured to accommodate at least one projectile filling; and a base, connectable to the cartridge enclosure, wherein the base comprises an ignition device, wherein the cartridge enclosure comprises a section configured to control the detachment of at least some of the jacket portion from the cartridge case. According to some embodiments of the present invention, another ammunition cartridge is provided herein. The ammunition cartridge may include: a cartridge case portion; and a jacket portion, wherein the jacket portion is configured to accommodate at least one projectile filling, wherein the jacket portion is made of at least one of: polymer material, and composite material.