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US 2002/0166423 A1Published application
Cutting apparatus for generating threads for pipe nipples
AssigneeMueller Co.
InventorRonnie M. Willis
Life of this patent
Estimating the term…
Abstract
A thread milling cutter for forming threads on a pipe end is provided with a platform that is mounted on a slide table and movable by threaded connection to rod; the milling cutter includes a head supporting a plurality of milling cutters in separate, rotatable shafts with a common drive for all the shafts and if desired, for the head.
Claims4
An apparatus for cutting threads in a pipe, the apparatus comprising:
- a thread milling head including a plurality of milling cutters, each milling cutter being mounted for rotation via an associated shaft and including at least one cutter, the milling cutters being constructed and arranged about a central axis to receive an end of a pipe disposed along the central axis, such that the cutters can cut threads in a periphery of the pipe,
- means for causing simultaneous rotation of the milling cutters about their associated shafts, and
- means for causing rotation of the thread milling head about the central axis.
Dependencies are inferred from the claim text.