| 摘要 |
348,838. Cold and heat retaining vessels. HEYLANDT, C. W. P., 91, Gradestrasse, Britz, Berlin. April 14, 1930, No. 11837. [Class 29.] Liquefied gas is conveyed in an insulated container 5; the gas unavoidably vaporized is led to atmosphere by a pipe 2 within the insulation; the liquid filling and withdrawal pipe 1, and pipes 3, 4 leading to a safety valve and a pressure gauge pass through the pipe 2 and are cooled by the escaping gas. |
