| 摘要 |
PCT No. PCT/GB94/00361 Sec. 371 Date Oct. 16, 1995 Sec. 102(e) Date Oct. 16, 1995 PCT Filed Feb. 23, 1994 PCT Pub. No. WO94/19265 PCT Pub. Date Sep. 1, 1994An apparatus for discharging flowable material, particularly a powder or other particulate material, is provided with a hopper, bin, silo or the like having a discharge outlet with a closure, also known as an alpha -flange, and spaced therefrom a device, such as a cone, for obturating flow of material from the outlet, and a mechanism which is connectible with the obturating device and is operative to open the closure and obturating device in sequence. The mechanism also closes the obturating device and closure in reverse sequence. |
