Multi-perforated divided propellent powder sticks, manufacturing equipment and its use
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United States of America Patent
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Oct 12, 1993
Grant Date -
N/A
app pub date -
Jul 13, 1992
filing date -
Aug 1, 1991
priority date (Note) -
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Abstract
The present invention relates to propellent powders in multi-perforated sticks (1) divided by radial slits (7) cutting the peripheral channels (6) of the stick (1) but allowing a continuous cover (8) to remain around its central channel (5). The invention also relates to equipment for obtaining such sticks, comprising:--a drive shaft (17) carrying circular cutting members (18),--a positioning shaft (19) carrying rollers (20) and a thrust shaft (21) carrying rollers (22). The sticks (1) advantageously constitute bundles for artillery ammunition which divide up into elementary particles at the moment of firing.
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