Patent ID: 6201847
Filing Date: 2001-03-13
Classification: G21C,Y02E

Abstract:
A T-box assembly for attachment to a core spray nozzle safe end in a boiling water nuclear reactor pressure vessel, the safe end including a first end and a second end and a bore extending from the first end to the second end of the safe end, said T-box assembly comprising:a T-box housing configured to engage the first end of the core spray nozzle safe end;a cruciform wedge configured to engage a surface of the bore of the core spray nozzle safe end; anda draw bolt coupled to said cruciform wedge, said cruciform wedge comprising:a central member having a bore therethrough;a first, a second, a third, and a fourth web member extending from said central member, said web members configured so as to form an X shaped configuration;a first support member extending between first ends of said first and second web members; anda second support member extending between first ends of said third and fourth web members, said first and second support members configured to engage the bore of the safe end, an area extending between said first ends of said second and third web member, and an area between said first ends of said fourth and said first web members being free of support members.