Line boring apparatus

Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product – Including tool with duct

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Details

408 83, 408708, B23B 4112

Patent

active

046936424

ABSTRACT:
A line boring machine adapted for high speed line boring of engine blocks or the like featuring a series of spaced crankcase bulkheads, employes a motorized spindle capable of advancing, and boring bar from one end of the block therethrough to the other end to penetrate a remote cutting end of the bar serially through the bulkheads.

REFERENCES:
patent: 2167673 (1939-08-01), Oberboffken
patent: 2401838 (1946-06-01), Mitchell
patent: 3287998 (1966-11-01), Goerhea et al.
patent: 3348434 (1967-10-01), Plummer
patent: 3438287 (1969-04-01), Kampmeier et al.
patent: 3438288 (1969-04-01), Kaiser
patent: 4475853 (1984-10-01), Morgan

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