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US 5,493,748 AGranted
Tube cleaning device
OwnerDavid Santoinventor
Life of this patent
Estimating the term…
Abstract
A device for cleaning either the outer or the inner surface of a pipe end includes a spindle having a tubular wire brush attached to one end thereof, and, an annular wire brush that is adjustable axially of said spindle between a retracted and an advanced position.
Claims3
A device for use in the preparation of a pipe end, comprising:
- a spindle;
- a tubular wire brush carried by said spindle at one end of said spindle;
- a cylindrical holder mounted on said spindle for adjustment of said cylindrical holder axially of said spindle;
- means for locking said cylindrical holder to said spindle in a selected position of adjustment of said holder relative to said spindle;
- and,
- an annular wire brush carried by said cylindrical holder;
- said cylindrical holder being adjustable relative to said spindle between a first position in which said tubular wire brush extends in advance of said annular wire brush, and a second position, in which said annular wire brush extends in advance of said tubular wire brush, and, said tubular wire brush is contained within said cylindrical holder.
4 more elements
Dependencies are inferred from the claim text.