09869536 is referenced by 9 patents and cites 162 patents.

The present invention provides a method of making a two piece primer insert comprising: an upper primer insert portion comprising an upper primer bottom surface, an upper primer aperture through the upper primer bottom surface; a substantially cylindrical coupling element extending away from the upper primer bottom surface, and an interior surface; a lower primer insert portion comprising a lower primer bottom surface opposite a lower primer top surface having a primer recess, a lower primer aperture through the lower primer bottom surface, and a flange adapted to receive a polymer overmolding that extends circumferentially about an outer edge of the lower primer top surface; and an insert joint that links and aligns the upper primer bottom surface and the lower primer bottom surface to form a primer insert.

Title
Method of making a two-piece primer insert
Application Number
15/65077
Publication Number
9869536 (B2)
Application Date
March 9, 2016
Publication Date
January 16, 2018
Inventor
Lonnie Burrow
Carrollton
TX, US
Agent
Chainey P Singleton
Assignee
True Velocity
TX, US
IPC
F42B 5/30
F42C 19/08
F42B 33/00
F42B 5/307
View Original Source