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公开(公告)号:US3506066A
公开(公告)日:1970-04-14
申请号:US3506066D
申请日:1967-12-20
CPC分类号: B08B1/00 , B01F7/085 , B08B1/04 , B29C47/0009 , B29C47/0801 , F04C2/16 , Y10S165/148
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公开(公告)号:US3580389A
公开(公告)日:1971-05-25
申请号:US3580389D
申请日:1969-01-07
CPC分类号: F04C2/16 , B01F7/085 , B29C47/0009 , B29C47/0801 , B30B9/16 , B30B11/243
摘要: One of two parallel screws rotatable in the same direction in a screw conveyor is rotatable at different speeds from the other screw. This periodically brings the threads of one screw into wiping and cleaning engagement with the threads of the other screw.
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公开(公告)号:US3457989A
公开(公告)日:1969-07-29
申请号:US3457989D
申请日:1967-02-15
CPC分类号: F28F5/06 , B01F7/085 , B01F15/0235 , B29C47/0009 , B29C47/84 , B29C47/842 , B65G33/00 , B65G33/18 , B65G33/24 , B65G45/005 , Y10S165/149
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