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Class Information
Number: 102/313
Name: Ammunition and explosives > Blasting > Borehole loading
Description: Subject matter including means for placing or inserting (a) an explosive, or (b) a fluid under high pressure capable of rapid expansion to break up material in a hollowed-out place.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
4864933 Method of rock breakage by blasting Sep. 12, 1989
4860656 Joining metal tubes in a liquid environment Aug. 29, 1989
4852495 Shaped charge detonating cord retainer arrangement Aug. 1, 1989
4829902 Method for charging flowable explosives into upwardly extending boreholes May. 16, 1989
4815385 Blast focusing method and apparatus Mar. 28, 1989
4813358 Inflatable wand for loading a mining borehole Mar. 21, 1989
4807530 Expansive demolition agent Feb. 28, 1989
4800815 Shaped charge carrier Jan. 31, 1989
4798244 Tool and process for stimulating a subterranean formation Jan. 17, 1989
4787315 Apparatus for severing tubular members Nov. 29, 1988
4777880 Blasting method with above and below surface delays Oct. 18, 1988
4770097 Mining method with no delay between shot initiator and firing Sep. 13, 1988
4764231 Well stimulation process and low velocity explosive formulation Aug. 16, 1988
4762067 Downhole perforating method and apparatus using secondary explosive detonators Aug. 9, 1988
4757764 Nonelectric blasting initiation signal control system, method and transmission device therefor Jul. 19, 1988
4756779 Process for the production of particulate, water resistant explosives based on ammonium nitrate Jul. 12, 1988
4754705 Mechanical stemming construction for blast holes and method of use Jul. 5, 1988
4739707 Shaped charge carrier assembly Apr. 26, 1988
4718954 Explosive compositions Jan. 12, 1988
4702168 Sidewall core gun Oct. 27, 1987
4699060 Detonation arrestor device for bulk explosive materials transfer Oct. 13, 1987
4694727 Situ disposable gel canister Sep. 22, 1987
4690058 Smooth wall blasting in rock Sep. 1, 1987
4681037 Tanged charge holder Jul. 21, 1987
4669783 Process and apparatus for fragmenting rock and like material using explosion-free high pressure shock waves Jun. 2, 1987
4667599 Explosive cutting device with simultaneous detonation of opposite ends May. 26, 1987
4632034 Redundant detonation initiators for use in wells and method of use Dec. 30, 1986
4615752 Methods of pumping and loading emulsion slurry blasting compositions Oct. 7, 1986
4614146 Mix-delivery system for explosives Sep. 30, 1986
4614156 Pressure responsive explosion initiator with time delay and method of use Sep. 30, 1986
4592282 Charging apparatus for cartridged explosives Jun. 3, 1986
4586438 Borehole stemming with a column of liquefiable and/or vaporizable chunks of solid material May. 6, 1986
4585496 Method of producing high-density slurry/prill explosives in boreholes and product made thereby Apr. 29, 1986
4572075 Methods and apparatus for loading a borehole with explosives Feb. 25, 1986
4555279 Low detonation velocity explosive composition Nov. 26, 1985
4555278 Stable nitrate/emulsion explosives and emulsion for use therein Nov. 26, 1985
4546703 Charge placement device Oct. 15, 1985
4530396 Device for stimulating a subterranean formation Jul. 23, 1985
4527482 Blasting cap to primer adapter Jul. 9, 1985
4526633 Formulating and delivery system for emulsion blasting Jul. 2, 1985
4522129 Device for charging drillholes Jun. 11, 1985
4522125 Charging large diameter vertical boreholes Jun. 11, 1985
4519314 Borehole charging method including toroidal transformer cores May. 28, 1985
4513665 Method for loading explosive charges into blastholes formed in a subterranean formation Apr. 30, 1985
4508035 Explosive charging apparatus for rock drilling Apr. 2, 1985
4501199 Automatically controlled rock drilling apparatus Feb. 26, 1985
4498391 Explosive mine breaking apparatus with arc-suppressing heat-dissipating fluid around the charge bodies Feb. 12, 1985
4492165 Expandable explosive and stemming cartridge Jan. 8, 1985
4487129 Methods of and containers for igniting explosives Dec. 11, 1984
4485739 Detonation gas delivery unit Dec. 4, 1984

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