Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Firearm cartridge and case-less chamber










Image Number 15 for United States Patent #7086336.

A firearm cartridge has a case configured with a relatively straight-walled portion and a shoulder portion for housing a quantity of propellant. The case further includes a neck for retaining a bullet. The straight-walled portion defines a base cavity having an interior base diameter. The interior base diameter is approximately twice or more the neck diameter. The diameter ratios of the base and neck optimize combustion efficiency to reduce heat and acceleration losses. The cartridge body cavity is sized and configured to contain a sufficient quantity of propellant such that igniting the propellant causes formation of a propellant plug having a diameter that is approximately the diameter of the bullet, and wherein the propellant plug shears free from unburned propellant that is disposed adjacent the relatively straight-walled body portion.








 
 
  Recently Added Patents
Base station, communication terminal and communication system
Multiway telepresence without a hardware MCU
Navigation system using both GPS and laser reference
Silicon-based thin substrate and packaging schemes
Toner, method for forming toner, developer, and image forming method
Semiconductor device including a test circuit that generates test signals to be used for adjustment on operation of an internal circuit
Method and device for transmitter calibration
  Randomly Featured Patents
Sport and recreational surface
Vacuum processing system being able to carry process object into and out of vacuum chamber
Solid phase synthesis of thio-oligosaccharides
Illuminable emergency warning sign for automobiles
Computer system
Methods and systems for feature selection
Optical apparatus
System and method in a modem for providing a shortened reset pulse upon receipt of an external reset pulse
Front face of a vehicle wheel
Nozzle means for an air conditioning installation