238000004880 explosion Methods 0.000 abstract description 2.238000003780 insertion Methods 0.000 claims abstract description 5.238000004873 anchoring Methods 0.000 claims abstract description 9.
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/475,521 Inventor Oliver B.
Google Patents Seismic explosive charge loader and anchorÄownload PDF Info Publication number US3939771A US3939771A US05/475,521 US47552174A US3939771A US 3939771 A US3939771 A US 3939771A US 47552174 A US47552174 A US 47552174A US 3939771 A US3939771 A US 3939771A Authority US United States Prior art keywords loader tubular explosive charge explosive anchor Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3939771A - Seismic explosive charge loader and anchor US3939771A - Seismic explosive charge loader and anchor