PROPELLANT-LOADED CARTRIDGE

• US 3,604,355 A
• Filed: 02/05/1969
• Issued: 09/14/1971
• Est. Priority Date: 02/05/1969
• Status: Expired due to Term

• Current Assignee: William D. Greenlees
• Original Assignee: William D. Greenlees
• Inventors: Greenlees, William D.
• Primary Examiner(s): Stahl, Robert F.
• Application Number:
  US04/796,671
• Time in Patent Office: 951 Days
• Field of Search: 102/39,43C,95
• US Class Current: 102/530
• CPC Class Codes: F42B 7/12 Cartridge top closures, i.e. for the missile side closures for blasting cartridges F42B3/24
• CPC Class Codes: F42B 8/04 Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or combustible powder charge

Abstract

A cartridge having a primer disposed at one end therein and assembled by loading with a predetermined amount of charge and packing the charge in place about the primer with a resilient wad secured within the cartridge in predetermined spaced relationship with a closure plug at the other end of the cartridge.

Claims

1. A cartridge comprising:

a substantially tubular molded casing having a base closing one end thereof and an integral sidewall, a primer within said casing and secured to said base, a propellant partially filling said casing, a substantially disc-shaped, resilient wad wedgingly supported within said casing for confining said propellant to the base end thereof, a closure plug for the other end of said casing, and spacer means extending between said resilient wad and said closure plug said spacer means including a plurality of elongated, rigid members slightly embedded at one end thereof into the resilient wad.

2. A cartridge according to claim 1 wherein said resilient wad is composed of polyethylene.

3. A cartridge according to claim 2 wherein said closure plug is formed of polyurethane, and the other end of said sidewall is crimped over said closure plug to secure said plug in place within said casing.

4. A cartridge according to claim 3 wherein the lengths of said spacing members are greater than the distance separating said wad and said plug so that said plug pushes against said spacing members.