| 摘要 |
1,086,479. Reducing loss of liquid from a closed vessel having a small leak. WACKERCHEMIE G.m.b.H. Nov. 25, 1965 [Nov. 27, 1964], No. 50159/65. Heading E1T. A method of preventing a liquid from running out of a closed vessel 1 that has developed a small leak comprises an air duct 3 leading from the top of the vessel to a reservoir disposed there-below. The vessel is also provided with a pressure gauge 7 to indicate the fact that a leak has developed, on filling duct 6 and on outlet pipe 4 having a check valve 5. |
