Screw Press
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United States of America
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app pub date -
May 23, 2017
filing date -
May 23, 2017
priority date (Note) -
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Importance
Abstract
A screw press for separating off liquid from an article, comprising a screw shaft together with a conveying helix, which is arranged helically on the screw shaft, and a housing enclosure, which surrounds the conveying helix, wherein a transporting passage for the article which is to be conveyed is formed between the screw shaft, the conveying helix and the housing enclosure, wherein a composite comprising hard-material particles which are embedded in a matrix component to form surface roughness is fastened with material bonding to at least one surface portion of the screw shaft, within the transporting passage. A use of a composite comprising hard-material particles which are embedded in a uniformly distributed manner in a matrix component to form surface roughness, for the purpose of providing fastening with material bonding to at least one surface portion of a screw shaft.
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