| 摘要 |
The device for prestressing an assembly of screwed connecting members, which consists of at least two bolts or pins intended for fastening a member (1) closing off an orifice (2) and which comprises a set of pulling jacks (26, 43) for the bolts or pins, comprises a body (10) consisting of two superposed solid elements (20, 40), each carrying half of the set of pulling jacks (26, 43), the pulling jacks (26, 43) in each of the superposed elements (20, 40) being arranged according to an alternate relative axial offset.
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