| 摘要 |
512,635. Cleaning valves. HOLMES & CO., Ltd., W.C., and HENSHAW, D. M. March 9, 1938, No. 7398. [Class 99(ii)] [Also in Group XXIX] A cleaning means for the interiors of valves comprises a flexible fluid-proof sleeve 1 with means, such as a flange 2, whereby it may be secured to a handhole in the casing, and with a cleaning implement 3, or implements, secured to the sleeve for manipulation by inserting the hand and arm into the sleeve. Clips or valve nipples may also be provided for securing collapsible grease or cleaning agent containers to the sleeve, and the latter may be turned inside out when not in use to rest in a housing outside the casing. |
