| |
 |
|
Class Information
Number: 102/333
Name: Ammunition and explosives > Blasting > Plug
Description: Subject matter which includes means to seal a blast hole opening to confine an explosion or the rapid escape of a fluid under high pressure in a blast hole.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7387071 |
Blasting method and blasting accessory |
Jun. 17, 2008 |
| 7052092 |
Drillhole blasting |
May. 30, 2006 |
| 6631684 |
Rock blasting method using air bladders embedded in loading layers |
Oct. 14, 2003 |
| 6502631 |
Reinforced borehole plugs |
Jan. 7, 2003 |
| 6454359 |
Method for blasting tunnels using an air bladder |
Sep. 24, 2002 |
| 6386111 |
Stemming arrangement and method for blast holes |
May. 14, 2002 |
| 6347837 |
Slide assembly having retractable gas-generator apparatus |
Feb. 19, 2002 |
| 6332401 |
Method and apparatus for pressure wave suppression in small-charge blasting |
Dec. 25, 2001 |
| 6330860 |
Method of blasting using air tubes charged in a blasthole |
Dec. 18, 2001 |
| 6324980 |
Conical plug for sealing blastholes in open cut mining |
Dec. 4, 2001 |
| 6321655 |
Method and apparatus for flyrock control in small charge blasting |
Nov. 27, 2001 |
| 6286430 |
Device for the pyrotechnic cutting of non-metallic parts |
Sep. 11, 2001 |
| 6213212 |
Spherical stemming plug and method of use |
Apr. 10, 2001 |
| 6209458 |
Inflatable plugs for charging blastholes |
Apr. 3, 2001 |
| 6035784 |
Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole |
Mar. 14, 2000 |
| 5979327 |
Method and apparatus for blasthole stemming |
Nov. 9, 1999 |
| 5936187 |
Blasting stemming plug |
Aug. 10, 1999 |
| 5900578 |
Method of breaking slabs and explosive shock transmitting and moderating composition for use therein |
May. 4, 1999 |
| 5841060 |
Blast plug |
Nov. 24, 1998 |
| 5803172 |
Mine shaft and adit closure apparatus and method |
Sep. 8, 1998 |
| 5665933 |
Device for cladding tubes by means of an explosive process |
Sep. 9, 1997 |
| 5585593 |
Inert stemming materials |
Dec. 17, 1996 |
| 5551344 |
Method and apparatus for overbalanced perforating and fracturing in a borehole |
Sep. 3, 1996 |
| 5497829 |
Expansion foam borehole plug and method |
Mar. 12, 1996 |
| 5273110 |
Inflatable devices for suspending explosives and stemming materials in boreholes |
Dec. 28, 1993 |
| 5253586 |
Method of stemming a blast hole |
Oct. 19, 1993 |
| 5247886 |
Blast plug and stemming construction for blast holes |
Sep. 28, 1993 |
| 5198613 |
Waterproof device for holding explosives in a borehole and method for using the same |
Mar. 30, 1993 |
| 5092245 |
Explosive stemming device |
Mar. 3, 1992 |
| 5035286 |
Methods and apparatus for field blasting of earth formations using inflatable devices for suspending explosives in boreholes |
Jul. 30, 1991 |
| 5000261 |
Inflatable devices for suspending explosives in boreholes |
Mar. 19, 1991 |
| 4919203 |
Methods and apparatus for field blasting of earth formations using inflatable devices for suspending explosives in bore holes |
Apr. 24, 1990 |
| 4869173 |
Blasting plug with plate members and plastic resin |
Sep. 26, 1989 |
| 4846278 |
Borehole plug and method |
Jul. 11, 1989 |
| 4813358 |
Inflatable wand for loading a mining borehole |
Mar. 21, 1989 |
| 4807530 |
Expansive demolition agent |
Feb. 28, 1989 |
| 4774888 |
In situ disposable gel canister |
Oct. 4, 1988 |
| 4754705 |
Mechanical stemming construction for blast holes and method of use |
Jul. 5, 1988 |
| 4739690 |
Ballistic armor with spall shield containing an outer layer of plasticized resin |
Apr. 26, 1988 |
| 4736796 |
Tamp hole plug system and method |
Apr. 12, 1988 |
| 4708061 |
Explosive powder charge operated driving device |
Nov. 24, 1987 |
| 4694754 |
Multi-phase charge holder |
Sep. 22, 1987 |
| 4669540 |
Topping and tamping plug |
Jun. 2, 1987 |
| 4660644 |
Inflatable rubber blasting hole plug |
Apr. 28, 1987 |
| 4587904 |
Debris free plug assembly for heat exchange tubes |
May. 13, 1986 |
| 4586438 |
Borehole stemming with a column of liquefiable and/or vaporizable chunks of solid material |
May. 6, 1986 |
| 4572075 |
Methods and apparatus for loading a borehole with explosives |
Feb. 25, 1986 |
| 4546703 |
Charge placement device |
Oct. 15, 1985 |
| 4492165 |
Expandable explosive and stemming cartridge |
Jan. 8, 1985 |
| 4470352 |
Cartridge for bulling mine holes |
Sep. 11, 1984 |
|
|
|
