Cutting by use of rotating axially moving tool – Processes – Bit detachable
Patent
1988-08-17
1990-12-18
Bishop, Steven C.
Cutting by use of rotating axially moving tool
Processes
Bit detachable
137 15, 137318, 408 72B, 408241B, B23B 4108
Patent
active
049782550
ABSTRACT:
A fluid supply pipe (1) is drilled and tapped using a saddle (2) adhered to its surface, the drilling and tapping tools being attached to the saddle. The saddle (2) comprises a sole plate (3) snugly fitting on the pipe, and an upstanding collar (4) with a through bore (20) through which the cutting and tapping tools pass. During adhering the saddle to the pipe, adhesive is prevented from entering the bore (20) by provision of a closure member (21).
REFERENCES:
patent: 3293952 (1966-12-01), Fairbanks
patent: 3307435 (1967-03-01), Floren
patent: 3460553 (1969-08-01), Leopold, Jr. et al.
Gale John C.
Lang Howard J.
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