Accession Number : ADD001790
Title : Method for Stress Wave Drilling.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Allgood,Jay R ; Odello,Robert J
Report Date : 06 May 1975
Pagination or Media Count : 4
Abstract : The patent relates to a method and apparatus for drilling a hole in rock. An open-ended, hardened, drilling head containing a means for creating high-intensity stress waves capable of spalling rock is used to drill the hole. A fluid is passed through the drilling head which removes the spalled rock from the drilling head.
Descriptors : *Drilling, *Drills, *Patents, Pulses, Shock waves, Stress waves, Electric discharges, Hydraulic equipment
Subject Categories : Civil Engineering
Construction Equipment, Materials & Supplies
Distribution Statement : APPROVED FOR PUBLIC RELEASE