| 摘要 |
<p>1. Rod of consumable material for controlling a nuclear reactor, consisting of an outer tubular sheath (1) closed by a plug (6, 10) at each of its two ends, and comprising an inner axial tube (2) forming an annular space in which the consumable materials (3) are arranged in the form of tubes or annular pellets, characterised in that, over at least part of the length of the rod, the consumable material (3) is held axially in place by at least one stop consisting of a deformation (8, 9, 15) of the walls of the annular space, leading to a local reduction in the cross-section of the latter.</p> |
