Company Filing History:
Years Active: 1998-1999
Title: Innovations of John W Duchek
Introduction
John W Duchek is a notable inventor based in Red Lion, PA (US), recognized for his contributions to the field of projectile technology. With a total of 2 patents to his name, Duchek has made significant advancements in the design and functionality of armor-piercing projectiles.
Latest Patents
Duchek's latest patents include the "Pre-molded AFT seal for discarding sabot projectiles." This invention is directed to a pre-molded aft seal for an armor-piercing fin-stabilized discarding sabot (APFSDS) projectile. The design comprises a plastic sleeve made from materials such as thermoplastic polyurethane and thermoplastic polyester elastomer, effectively sealing the projectile from combustion products. The aft sleeve features an outwardly flanged first portion with a radius of curvature ranging from about 0.1 to 5 inches, a constantly decreasing diameter second portion, and an inwardly flanged substantially conical third portion connected to the second portion by a curved portion with a radius of curvature from about 0 to 0.25 inch. Another patent focuses on an armor-piercing fin-stabilized discarding sabot kinetic energy projectile that includes a pre-molded plastic aft seal sleeve. This sleeve protects the sabot from damage caused by the propellant and replaces both the RTV and the protective sheath found in conventional designs.
Career Highlights
Duchek is currently associated with Primex Technologies, Inc., where he continues to innovate in the field of projectile technology. His work has contributed to advancements that enhance the performance and reliability of military projectiles.
Collaborations
Some of his notable coworkers include Donald R Osment and W Brian Stewart, who have collaborated with Duchek on various projects within the company.
Conclusion
John W Duchek's innovative work in the field of projectile technology has led to significant advancements, particularly in the design of armor-piercing projectiles. His contributions continue to impact the industry positively.