| 摘要 |
<p>1467553 Valves SCOVILL MFG CO 7 March 1975 [8 March 1974] 9709/75 Heading F2V A valve core which is easily mounted in a tubular housing 22 to form a relief valve comprises a sealing washer 54 which is carried in a cup-shaped member 52 and attached to a spring 64 by a stub shaft 56 and an externally threaded annular member 32 which is formed with a bridge having a bore which accommodates a pin 40 to which the other end of the spring is attached. The pin is shaped at 50 to facilitate attachment of the spring and has a bevelled surface 48 which co-operates with a similar surface on the member 32.</p> |
