Process of replacing a sleeve mounted within a pipe, and devices

Details Process of replacing a sleeve mounted within a pipe, and devices Process of replacing a sleeve mounted within a pipe, and devices

1987-04-16

1988-11-08

Schmidt, Frederick R.

Turning

Process of turning

82 702, 82100, B23B 500

Patent

active

047827270

ABSTRACT:
Apparatus for replacing thermal sleeves in pressurized-water nuclear power station circuits in a rapid, automatic manner producing minimal debris. A two-part frame is fixed to the outer wall of the sleeve coaxially therewith, each part of the frame carried one part of a two-part rotatable element, which in turn carries a support for a cross-cutting tool. The tool support is moved toward the axis of the frame but stopped just before the too breaks into the interior space of the sleeve.

REFERENCES:
patent: 3546988 (1970-12-01), Behnke
patent: 3807047 (1974-04-01), Sherer et al.
patent: 4271733 (1981-06-01), Stone
patent: 4322991 (1982-04-01), Feamster
patent: 4385535 (1983-05-01), Tedder
patent: 4532837 (1985-08-01), Cushenberry et al.
patent: 4624052 (1986-11-01), Garcia et al.
patent: 4648294 (1987-03-01), Jacquot et al.

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