| 摘要 |
H:,/phiv/Intenvoven/NRortbl/DCC/PLW/S78436_1.doc-29/10/2013 -9 A bolted connection system, comprising a bolt and a component to be secured by the bolt, the bolt having a tapered shoulder adjacent its head and engageable with a conically 5 shaped seat in the component, the seat being formed by deforming outwardly from the component an annular zone immediately surrounding an aperture formed through the component for the bolt such that the deformation transforms the edge of the hole into conical form whereby upon tightening of the bolt, the annular zone is deformed back into substantial planar relationship with the adjacent part of the component and the seat grips 10 tightly onto the tapered shoulder. 4a 64a -8 |
