| 摘要 |
<p>A manometer housing component in the form of a quarter cylinder has a bevelled edge (1) behind which is positioned a groove (2e. A mating edge has a projecting tongue (4) designed to mate with a complementary groove (5) on a like component into which it fits. The edges of the housing components are also provided with projections (8, 9) to retain stainless steel spring clips which hold the housing together when it is assembled. An aperture is provided for pressure equalisation.</p> |
