Hypervelocity cutting machine and method

Details Hypervelocity cutting machine and method Hypervelocity cutting machine and method

1994-11-16

1996-11-12

Johnson, Stephen M.

Ordnance

Pneumatic

102520, F41A 104

Patent

active

055742440

ABSTRACT:
A method and machine 14 are provided for cutting a workpiece 12 such as concrete. A gun barrel 16 is provided for repetitively loading projectiles 22 therein and is supplied with a pressurized propellant from a storage tank 28. A thermal storage tank 32,32A is disposed between the propellant storage tank 28 and the gun barrel 16 for repetitively receiving and heating propellant charges which are released in the gun barrel 16 for repetitively firing projectiles 22 therefrom toward the workpiece 12. In a preferred embodiment, hypervelocity of the projectiles 22 is obtained for cutting the concrete workpiece 12 by fracturing thereof.

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The Evening Star, Mar. 29, 1956, p.A-2, 89/7.

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