| 摘要 |
<p>The two meeting (3) surfaces (1,2) have coinciding machined recesses (5,6), of circular or other form, accommodating and compressing the elastomeric seal (4). The opposing faces of the seal carry central grooves (10), effectively creating two sealing pads (7,8) in cross-section, with a connecting neck (9). The pad (7) nearest the source of fluids and EM waves whose passage is denied is bonded to the compressing faces (5,6) by a layer (11) of conducting, or insulating, adhesive. This pad provides the fluid seal; the other, dry pad gives a good radiation seal. The central grooves allow deformation under compression without interaction between the pads. In two variants, the pads differ dimensionally, allowing different compressions to be applied.</p> |
