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1.发明授权Device for volumetrically removing viscous liquids from vacuum operating equipments 失效用于从真空操作设备中体积去除粘稠液体的装置
公开(公告)号：US3582244A
公开(公告)日：1971-06-01
申请号：US3582244D
申请日：1969-12-08
Applicant: SNIA VISCOSA
Inventor： SICLARI FRANCESCO , MARAFIOTI LUIGI , MAGNONI FRANCO
CPC classification number: F04C2/165 , B29B7/26 , F04C2/16 , F04C13/002
Abstract: A device for volumetrically removing liquids from vacuum operating equipments, particularly reaction vessels and equipments for obtaining polymers, comprising a set of mutually engaging pumping screws, a number of which extend to the inside of the vacuum equipment for a given length, while the remaining screw or screws extend only up to the bottom of said vacuum equipment. Said set of screws is rotatably driven within a body tightly enclosing the same.
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