Tensioning hydraulic nuts

Details Tensioning hydraulic nuts Tensioning hydraulic nuts

2006-11-28

2006-11-28

Sandy, Robert J. (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Tensioned along the longitudinal axis by a coaxial force...

C411S014000, C411S019000

Reexamination Certificate

active

07140824

ABSTRACT:
A hydraulic tensioning system for nuts on studbolts has a puller bar and a puller buddy, which are coupled to the studbolt, and a bridge around the nut. The puller bar is internally coupled to the studbolt (and may engage the nut before the tension is applied). The nut can comprise a cone nut, which cooperates with a complementary collar or shell with a conical inner face and a spherical base washer.

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