| 摘要 |
1280403 Valves D J G LUDENA 22 May 1970 [10 June 1969] 24920/70 Heading F2V A valve comprises a tube B of resilient material with a transverse incision A which may be opened and closed by bending the tube. The valve may be actuated by a float G to which it is connected by a rod F and be secured to the wall E of a tank by a supply pipe D or the tube may have a blind bore and be mounted in an L- shaped clamp with a screw-adjusted staple for manual operation. The incision may be oblique instead of normal to the tube axis. |
