Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2874/26A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRANSVAAL CHAMBER OF MINES
Original Assignee
TRANSVAAL CHAMBER OF MINES
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TRANSVAAL CHAMBER OF MINESfiledCriticalTRANSVAAL CHAMBER OF MINES
Publication of GB261695ApublicationCriticalpatent/GB261695A/en
F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
F42D1/04—Arrangements for ignition
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Nozzles
(AREA)
Abstract
261,695. Transvaal Chamber of Mines. Nov. 19, 1925, [Convention date]. Blasting detonators.-A detonator 3, Fig. 1, in mounted in the bore of a plug 4 of wood or other suitable non-explosive material so as to be completely enclosed laterally; and the plug with the detonator therein is inserted into the borehole after the latter has been loaded with the explosive charge 14, Fig. III. The hole is then tamped in any known or suitable way.
GB2874/26A1925-11-191926-02-01Improvements in means for increasing the safety of blasting operations
ExpiredGB261695A
(en)