Metal deforming – With cleaning – descaling – or lubrication of work or product – Mechanical cleaning
Reexamination Certificate
2006-09-29
2009-12-29
Ross, Dana (Department: 3725)
Metal deforming
With cleaning, descaling, or lubrication of work or product
Mechanical cleaning
C072S236000, C072S160000, C015S256510
Reexamination Certificate
active
07637132
ABSTRACT:
A self-retaining scraping device for continuously cleaning work rolls of a roller leveler assembly has a first wall having two angled or curved portions and a straight portion extending between the angled portions; and a second wall having two angled or curved portions and a straight portion extending between the angled portions.The first wall and second wall are connected to each other via the straight portions. The angled or curved portions of the first wall extend in an opposite direction from the angled or curved portions of the second wall. The scraping device is inserted between adjacent work rolls and has multiple scraping edges contacting outer surfaces of the work rolls to continuously clean the work rolls. The scraping device is supported by the work rolls.
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International Search Report for International Application No. PCT/US07/03076.
Nackino Anthony Joseph
Vasta Salvatore James
Butech Bliss
Fay Sharpe LLP
Ross Dana
Sullivan Debra M
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