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US 2025/0375805 A1Published application
Long cartridge case
AssigneeThe National Machinery Company
InventorsCHRISTOPHER W. SNAVELY, DAVID L. FRANK
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Abstract
A method of forming a closed end metal tube comprising cutting a blank from a solid round metal wire, backward extruding an axial hole in the blank to produce a hollow sidewall with a thickness, and reducing the sidewall thickness by using one or more Modified Hooker extrusions.
Claims5
A method of forming a closed end metal tube comprising cutting a blank from a solid round metal wire, backward extruding an axial hole in the blank to produce a hollow sidewall with a thickness, and reducing the sidewall thickness by using a Modified Hooker extrusion.
Dependencies are inferred from the claim text.