| 摘要 |
1,202,250. Hydraulic accumulators. ALFRED TEVES G.m.b.H. Oct.26, 1967 [Jan. 26, 1967], No. 48690/67. Heading F1P . A resilient diaphragm 3 which divides a hydraulic accumulater 1, 2 into gas and liquid spaces has embedded therein a thin layer 14 of resilient gas impermeable material e.g., methyl rubber. The laminated diaphragm has a central third portion 11, a thin intermediate portion 12 and is vulcanized at its periphery 13 to a metal ring 4 held in a casing recess 15. |
