.~.~ Tamping, vibrating, exploding or using receptacle
DEFINITION
Classification: 166/286
(under subclass 285) A process comprising placing cement by (1) using a container of the cement in a well, (2) exploding the cement against the bore hole wall, (3) vibrating the cement while in the bore hole, or (4) striking the cement in the bore hole a blow or series of blows.
SEE OR SEARCH THIS CLASS, SUBCLASS:
117, for a receptacle, all or a part of which is separated from a lowering means and left in the well in order to plug the well with cement.
162+, for a container for transporting material into a well.
249, for a process involving vibrating the earth or material in or being placed in the pores of the earth.
315, for a process for forming a plug or the like by merely lowering a quantity of plastic material in a container and letting it harden. SEE OR SEARCH CLASS
405, Hydraulic and Earth Engineering,
234, for a process or apparatus for casting a pile in situ of hardenable fluent material utilizing an explosion.
