EXPAL SYSTEMS S.A
EXPAL SYSTEMS S.A Patent applications | ||
Patent application number | Title | Published |
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20150082853 | SHEET METAL FORMING PROCESS AND SYSTEM - The invention relates to a method and system for forming a metal sheet, preferably in the form of a disc, in order to obtain an essentially cylindrical and essentially hollow end metal part having a base thickness that is essentially greater than the thickness of its walls. More specifically, the invention relates to the metalworking sector and, in particular, to the production of ammunition cases or shells. | 03-26-2015 |