Elastomer-covered roller having a thermally sprayed permeable bonding material
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United States of America Patent
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Feb 25, 2003
Issued Date -
N/A
app pub date -
Dec 19, 2000
filing date -
May 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A elastomer-covered roller (10) is provided with an improved bond coating for bonding the elastomeric cover (14b) to the core (11b). At least one layer of material (21) is thermally sprayed on the core (11b) to form a rough surface having a roughness from 400 microinches R.sub.a to 2000 microinches R.sub.a or greater. At least one layer (21, 25, 26, 31, 32) is either sufficiently permeable to divert bond-degrading fluids away from the bond line (22, 27, 33) or is impermeable to bond-degrading fluids.
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