Turning – Portable lathe for pipe turning
Reexamination Certificate
2005-11-29
2005-11-29
Fridie, Jr., Willmon (Department: 3722)
Turning
Portable lathe for pipe turning
C082S131000
Reexamination Certificate
active
06968761
ABSTRACT:
A device for machining the ends of pipes, having a clamping device (6) for clamping the pipe in place, having an outer ring (9) and a shaping insert (11), in which the shaping insert has two half-rings (12, 13), which are releasably and resiliently connected to one another by means of at least one screw (34) and at least one spring (35). The tool is particularly compact, clean, safe and easy to handle.
REFERENCES:
patent: 3648313 (1972-03-01), Fohl
patent: 4739682 (1988-04-01), Birkestrand
patent: 4825543 (1989-05-01), Thalmann et al.
patent: 5941145 (1999-08-01), Marshall et al.
patent: 1 963 230 (1967-06-01), None
patent: 83 26 984.3 (1983-09-01), None
Bachman & LaPointe P.C.
Fridie Jr. Willmon
Georg Fischer Rohrverbindungstechnik GmbH
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