Title:
高粘度材料用ピストンポンプ
Document Type and Number:
Japanese Patent JP4950874
Kind Code:
B2
Abstract:
In a multi cylinder thick materials pump for feeding concrete in particular, whose at least two feeding cylinders feed the thick material from a pre filling container into a feed line, and a shift valve for alternatively connecting the feeding cylinders, having a feed line associated with it, comprising at least two rotationally movable valve bodies, each comprising a straight transfer section between each one of the feeding cylinders and the feed line, connected downstream of the feeding cylinders to a collector tube, the shift valve including at least one, but preferably two rotationally movable rotating slides each of them comprising a straight transfer section for connecting the feeding cylinder respectively associated with it to the feed line, and at least one section blocking the connection. Also a process for operating of this thick materials pump for continuous feeding is described.
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Inventors:
Renhart, Manfred
Application Number:
JP2007500170A
Publication Date:
June 13, 2012
Filing Date:
February 25, 2005
Export Citation:
Assignee:
Schwing Game Behr
International Classes:
F04B15/02; F04B7/00
Domestic Patent References:
| JP58190587A | ||||
| JP10508074A | ||||
| JP5202844A | ||||
| JP57000382A |
Foreign References:
| US4345883 | ||||
| DE2933128A1 | ||||
| DE10109516A1 |
Attorney, Agent or Firm:
Yuichi Yamada
Masakazu Noda
Ikeda adult
Kazuhiro Yamaguchi
Hiroto Kido
Masato Ikeda
Ryosuke Yasuda
Masakazu Noda
Ikeda adult
Kazuhiro Yamaguchi
Hiroto Kido
Masato Ikeda
Ryosuke Yasuda