Compacted Marker Device for Practice Ammunition
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Solution Overview
Problem
Existing practice ammunition experiences firing inaccuracies due to insufficient compactness of marker products, leading to uneven distribution and settling during transport or in flight, resulting in imbalance and poor impact marking.
Innovation Solution
A marker device with an open housing featuring a convex conical base, cylindrical side wall, internal partition walls, and a removable stopper that compacts the marker product evenly, ensuring stable distribution and sealing to prevent movement and settling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the hollow receptacle is completely filled with marker product, then the dose of marker product is maximized, but the compactness is insufficient leading to settling and movement during transport
Solution Approach 1:
The marker product is compacted in advance before sealing the housing, using the stopper to apply pressure and achieve the desired compactness. This preliminary compaction prevents settling and movement during subsequent transport and storage, resolving the contradiction between maximizing dose and maintaining stability.
2Ease of manufacture
If the marker product is loosely packed to fill the receptacle volume, then the filling process is simple, but the ammunition becomes imbalanced and firing accuracy decreases
Solution Approach 1:
The stopper is used to compact the marker product in advance before sealing, ensuring uniform distribution and balance. This preliminary compaction action maintains manufacturing simplicity while achieving the precision needed for accurate firing.
3Duration of action of stationary object
If the marker product is not compacted, then the ammunition can be stored for shorter periods, but impact marking optimization is reduced
Solution Approach 1:
The marker product is compacted in advance to achieve optimal density and stability. This preliminary compaction allows the ammunition to be stored for extended periods without settling, while ensuring reliable impact marking performance when fired.
4Quantity of substance
If a larger volume of marker product is used, then the marking visibility is improved, but the ammunition caliber must be increased
Solution Approach 1:
The marker product is compacted to increase its density, allowing a larger quantity of marker product to be contained within the same housing volume. This parameter change in density enables improved marking visibility without increasing the ammunition caliber.
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
The compacted marker product ensures uniform and stable distribution within the ammunition, preventing firing inaccuracies and allowing optimal impact marking, while reducing the marker product volume for use in low-calibre ammunition and enabling long-term storage.
Implementation Method 1
said stopper closes the housing and then presses the marker product towards the conical base to compact said marker product
Implementation Method 2
said stopper is fixed in position in said housing by said sealing fixing means, which are for example formed by a bead of adhesive or a similar material connecting the periphery of said stopper to the cylindrical side wall of the housing
Implementation Method 3
said marker product is intended to be transported and then dispersed upon impact
Data Source
AI summary
According to the invention, the marking device has a shape of revolution and comprises a casing (1) with a conical bottom (8) closed off by an obturator (2), fixed in a sealed manner to said casing (1). Inside said marking device there is a block (15) of compacted marking product.