| 摘要 |
<p>A first coupling component comprising a body having a through bore, an end face, an annular, raised seal surface on the end face, and an annular, recessed region located radially outward of the seal surface. The coupling component further has a rim located radially outward of the recessed region for engaging a gasket when the coupling component is advanced toward and engaged with a second coupling component. The invention also relates to tube couplings employing such components.</p> |
