Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 28, 2006
Patent Application Number
10699948
Date Filed
November 3, 2003
Patent Primary Examiner
Patent 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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