Wear-resistant surface armoring for the rolls of high-pressure roll presses for the pressure disintegration of granular material
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United States of America Patent
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Jan 19, 1999
Grant Date -
N/A
app pub date -
Sep 18, 1997
filing date -
Sep 19, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to create a wear-resistant surface armoring suited for autogenous wear protection for the rolls of high-pressure roll presses for pressure disintegration of granular material using nap bolts (grid armoring), which also comprises a high serviceable life span even under the effect of high-pressure loads, it is proposed to give the nap bolt the shape of a mushroom, whose head projects outward from the roll body and whose shaft is sunk into the corresponding recess or bore of the roll body in such a way that an open space remains between the base of the bore and the lower end of the shaft of the bolt.
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