| 摘要 |
1414330 Pneumatic conveyers; emptying hoppers CLAUDIUS PETERS AG 29 Dec 1972 [5 Jan 1972] 60148/72 Addition to 1082922 Headings B8A and B8E The top of a hopper discharging trough as disclosed in Specification 1,082,922 is closed by either a flat belt 9 secured at its ends to the trough and passing over the lower portion of the stationary discharge spout 4 of the hopper, or by an endless belt 14 secured to the spout 4 and passing around rollers 16 on the trough, the upper run of the belt passing over the lower portion of the spout 4. In both cases the upper portion of the spout is offset laterally from the trough. |
