.~.~ With well-anchoring means, wall-contacting guides, or buffers
DEFINITION
Classification: 102/319
With well-anchoring means, wall-contacting guides, or buffers:
(under subclass 314) Subject matter which includes means to (a) support the explosive in a fixed location along the wall of a well, (b) to cushion the contact between the explosive and the wall in its movement, or (c) center the explosive in the borehole.
(1) Note. The anchor, buffer, or centering subcombination is placed here.
SEE OR SEARCH THIS CLASS, SUBCLASS:
313, for placing or inserting an explosive in a borehole.