F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
86/5.1
F42B 23/00 (2006.01) E21B 33/10 (2006.01) F42D 1/10 (2006.01)
Patent
CA 1048825
ABSTRACT OF THE DISCLOSURE The present invention provides a method of charging a drill hole, characterized in that a thin-walled stocking of flex- ible material is folded-up into a bellows with an axial duct, and is introduced into a sleeve having one end open or openable, whereafter the sleeve is placed on the end of a charging hose by the latter being introduced into the bellows duct through a hole at the other or outer end of the sleeve, and the sleeve by means of the charging hose is introduced into the drill hole, powdery explosive subsequently being introduced pneumatically into the thin-walled stocking, or solely compressed air is blown into the ducts, whereby the bellows successively straightens out fold by fold from the interior and outwardly, and the sleeve glides on the charging hose outwardly in the drill hole, the thin-walled stocking being straightened out solely by compressed air while the end of the charging hose is retained in the drill hole, pow- dery explosive being thereafter blown through the charging hose by means of pneumatic conveying in a usual manner, and the charg- ing hose being successively withdrawn as the drill hole is filled with explosive, or alternatively by introducing pumpable explosive into the thin-walled stocking, either after the latter has been straightened out in the drill hole by means of pneumatic conveying, or solely by compressed air, or so that the pumpable explosive straightens out the thin-walled stocking, or also by combining pneumatic charging with charging of pumpable explosive, or the thin-walled stocking alternatively being folded up into a bellows on a sleeve and being attached at one end to the corresponding end of the sleeve, the other end of the folded-up stocking being turned over the bellows and closed after it has been drawn over said other end of the sleeve, whereafter the charging hose is introduced into the sleeve so that its end is kept against the closed-off end of the thin-walled stocking, and the array being then introduced into the drill hole, after the bellows has poss- ibly been accommodated in a bag, whereafter charging is carried out in the stated way while the thin-walled stocking is straight- ened out fold by fold from the outer end of the bellows.
242811
LandOfFree
Method of charging drill holes and means for carrying out... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of charging drill holes and means for carrying out..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of charging drill holes and means for carrying out... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-254049