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Class Information
Number: 102/304
Name: Ammunition and explosives > Blasting > Blasting plug including an opening for a fuse, fuse ignitor, or explosive
Description: Subject matter which includes means to seal the opening of a blast hole having a passageway for (a) a fuse cord or fuse ignitor, or (b) supplying or holding an explosive in the plug or blast hole.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7363860 |
Non-explosive two component initiator |
Apr. 29, 2008 |
| 6502631 |
Reinforced borehole plugs |
Jan. 7, 2003 |
| 6363828 |
Shock driven projectile device |
Apr. 2, 2002 |
| 6213212 |
Spherical stemming plug and method of use |
Apr. 10, 2001 |
| 4947751 |
Multi-directional initiator for explosives |
Aug. 14, 1990 |
| 4587904 |
Debris free plug assembly for heat exchange tubes |
May. 13, 1986 |
| 4449754 |
Device for breaking monolithic structures by pulsewise liquid pressure |
May. 22, 1984 |
| 4432268 |
Detonation cut-off device |
Feb. 21, 1984 |
| 4347790 |
Explosive plug for blocking tubes |
Sep. 7, 1982 |
| 4133247 |
Carrier for explosive primer and method of using same |
Jan. 9, 1979 |
| 4040330 |
Method of charging drill holes and means for carrying out the method |
Aug. 9, 1977 |
| 4036100 |
Apparatus and method for loading fluent explosives in upwardly extending boreholes |
Jul. 19, 1977 |
| 3974656 |
Method and apparatus for excluding water or other material from a blast hole in rock |
Aug. 17, 1976 |
| 3952656 |
Device and process |
Apr. 27, 1976 |
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