(under subclass 154) Method or apparatus including a step or means for forming at least a portion of the string or conduit by placing flowable material in approximately the position in which it is to be used, said flowable material thereafter setting or congealing into a stable mass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
150.1+, for a cast in situ tunnel lining.
SEE OR SEARCH CLASS
166, Wells,
285+, for a process of cementing wells.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
31+, for methods of casting conduit in situ, without any earth handling.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus,
59, and 63+ for apparatus for casting pipes or conduits in situ, but without any handling of the earth.