Published May 26, 1987 | Version v1
Patent Metadata-only

Apparatus and method for removing a top nozzle in reconstituting a fuel assembly

Creators

Description

This patent describes a fuel assembly including a top nozzle having a central adapter plate with passageways defined through the adapter plate and control rod guide thimbles with hollow upper end portions inserted in the passageways and attached to the top nozzle adapter plate at the upper ends of the passageways, and an apparatus for removing the top nozzle from the guide thimbles. The method comprises: elongated cutters having respective cutting elements; means for positioning the cutters in general alignment with the passageways in the top nozzle adapter plate and the respective hollow upper end portions of the guide thimbles inserted therein; and means for moving the cutters in a first direction toward the passageways

Availability note (English)

U.S. Commissioner of Patents, Washington, D.C. 20231, USA, $.50.

Additional details

Publishing Information

Imprint Pagination
vp.
IPC:
Int. Cl. B23B 5/14.
IPC
Int. Cl. B23B 5/14.
Patent number
US patent document 4,667,547/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
18090611
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CONTROL ELEMENTS; CUTTING TOOLS; FUEL ASSEMBLIES; MODIFICATIONS; NOZZLES; PLATES; POSITIONING; POWER REACTORS; SEPARATION PROCESSES
Descriptors DEC
EQUIPMENT; REACTOR COMPONENTS; REACTORS; TOOLS