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US 11,480,416 B2Granted
Method for producing multi-component cases
AssigneeRabuffo SA
InventorAlbert Gaide
Life of this patent
Estimating the term…
Abstract
The invention relates to a method for producing cases, in which a case sleeve is formed from thin sheets, forming at least one element over an insert, a form or a cavity reproducing the conicity, the shoulder and the mouth that are characteristic of the case. The invention also relates to a product produced by the method, such as an ammunition case.
Claims8
A method for manufacturing bullet ammunition cases, each case comprising a cap and a case liner comprising a main taper-shaped portion, a shoulder, and a mouthpiece, wherein the liner, is formed from two half shells welded together, the method comprising:
- stamping and forming each half shell from a thin strip of metal by shaping said thin strip of metal on a die reproducing said taper, shoulder and mouthpiece;
- and
- subsequent to stamping and forming each half shell, welding the two half shells together.
Dependencies are inferred from the claim text.