Combustion Engineering, Inc.

Cheryl L Stubbs

Chia C Chiang

A permanent annular ring seal and refueling deck assembly providing an effective water barrier over the annular space between a nuclear reactor vessel flange and a surrounding annular ledge includes annular platform, a support and a joint seal. The joint seal has an upper cylindrical section and a lower flexible corrugated or arcuate shaped section which accommodates radial, axial and rotational movements of the vessel, and reduces joint stress.

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West Springfield, MA, United States of America

Cheryl L Stubbs