专利名称：Device for conveying powders through
pipelines
发明人：Simontacchi, Giancarlo申请号：EP07016710.1申请日：20040707公开号：EP1857384A3公开日：20080305
专利附图：
摘要：A device for conveying powders through pipelines comprises at least onepumping device (10) which in turn comprises a pumping chamber (11) connected to asuction inlet (12) through an input valve (14) and to a delivery outlet (13) through an
output valve (15). A vacuum source and a pressure source are alternatively connected tothe pumping chamber (11). Input and output valves (14, 15) are sleeve valves with softtube (30) passing through a drive chamber (34) that can be connected upon command toa pressure source or a suction source to cause respectively throttling or opening of thesoft tube (30).
申请人：GEICO S.p.A.
地址：Via Cornaggia, 58 I-20092 Cinisello Balsamo, Milano IT
国籍：IT
代理机构：Faraggiana, Vittorio
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