Crusher, process for preparing and testing materials and apparatus therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 21, 2003
Grant Date -
Jun 20, 2002
app pub date -
Mar 9, 2001
filing date -
Dec 20, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A crushing apparatus for crushing, blending, homogenizing and transferring materials is made up of a first pressing element having a first pressing face with protrusions provided thereon in the form of isolated islands surrounded by depressed marginal spaces and a second pressing element to be held in engagement with the first pressing element and having a second pressing face with protrusions provided thereon in a similar pattern to the first pressing face. The protrusions of the first and second pressing faces are disposed in relation to each other such that the protrusions of the first or the second pressing element will engage with corresponding depressed marginal spaces on the second or first pressing face of the respective pressing element.
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