Device for machining an interior surface of a tubular object

Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Frictionally engaging sides of opening in work

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Details

408 87, 408102, 408111, 408112, 408234, 408712, 409175, B23B 4514

Patent

active

060072784

ABSTRACT:
Disclosed is a device for use in machining an interior surface of a tubular object which comprises a pair of rails that can be longitudinally instad through the interior section of the tubular object. Braces join the rail for fixing the rails to the tubular object. A platform is movably mounted on the rails to allow longitudinal movement of the platform. A machine tool can be mounted on the platform.

REFERENCES:
patent: 1118268 (1914-11-01), Coates
patent: 3464313 (1969-09-01), Shay et al.
patent: 3618463 (1971-11-01), Briney et al.
patent: 4494895 (1985-01-01), Leaf
patent: 4850763 (1989-07-01), Jack et al.
patent: 5046903 (1991-09-01), Nagayoshi et al.

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