Trimming and sizing device to refurbish empty cartridge cases and a method to refurbish empty cartridge cases
OwnerWojtek Keskainventor
Life of this patent
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Abstract
A trimming, sizing and decapping device that has a simple, very compact construction and that allows the user to economically and quickly produce, restore or prepare cartridge cases to the utmost precision. The device consistently produces very smooth processing surfaces and has good tolerances with respect to various cartridge case wall sizes and materials. Furthermore, a method is detailed for producing or preparing empty cartridge cases using the trimming, sizing and decapping device that allows efficient preparation of the cartridge cases for subsequent loading or reloading in as few process steps as possible.
Claims12
A trimming and sizing device designed to refurbish empty cartridge cases (2) comprising a die body (14), fitting the form of the cartridge case, into whose hollow chamber it is possible to insert an empty cartridge case (2), a case holder (1) to fix the base (16) of the cartridge case (2) in position, and an expander die (3) which accommodates a primer decapping pin (15) that is insertable into the cartridge case (2) from the bullet end of the cartridge case (2), characterized in that the die body (14) securely guides and then tightly holds the top and sides of the cartridge case (2) in place after insertion and that the expander die (3), the primer decapping pin (15) and a cutter (12) of the trimming and sizing device are mounted coaxially on a common shaft (5) and are commonly movable in the axial and rotational directions of the shaft (5).
Dependencies are inferred from the claim text.