US PATENT SUBCLASS 166 / 78.1
.~ With tube rotating means (rotary tables)

Current as of: June, 1999
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166 /   HD   WELLS

75.11  DF  ABOVE GROUND APPARATUS {25}
78.1.~ With tube rotating means (rotary tables)

DEFINITION

Classification: 166/78.1

With tube rotating means (rotary tables):

(under subclass 75.11) Above ground apparatus comprising means for turning a thin-walled pipe about its axis.

(1) Note. The tubing is usually a pump tubing which is rotated to distribute wear.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

195, for a boring apparatus with a tool rotating means.

277, Joint Packing,

31, for rotatable packing for axially movable rod.