Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With means shaping – scarifying – or cleaning joining surface...
Reexamination Certificate
2006-06-27
2006-06-27
Osele, Mark A. (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With means shaping, scarifying, or cleaning joining surface...
C156S281000, C156S543000, C029S779000
Reexamination Certificate
active
07066232
ABSTRACT:
An apparatus for manufacturing a laminated steel sheet by treating surfaces of a base steel sheet so that the adhesive strength between a base steel sheet and lamination sheets is increased. The apparatus comprises an uncoiler for unwinding a coiled base steel sheet followed by a cleaner for cleaning the surfaces of the base steel sheet. The cleaner comprises an acid pickling unit for pickling the surfaces of a hot rolled steel sheet with acid pickling water when the base steel sheet is the hot rolled steel sheet, an alkali cleaning unit for cleaning the surfaces of a galvanized steel sheet with alkali cleaning water when the base steel sheet is the galvanized steel sheet, and a rinsing unit. The acid pickling unit and the alkali cleaning unit are selectively used on the basis of kinds of the base steel sheet supplied from the uncoiler.
REFERENCES:
patent: 2545370 (1951-03-01), Mittelmann
patent: 3573133 (1971-03-01), Harris
patent: 3767500 (1973-10-01), Tally et al.
patent: 3791801 (1974-02-01), Ariga et al.
patent: 5496449 (1996-03-01), Ishibashi et al.
Cha & Reiter LLC
Daesung Inc.
Osele Mark A.
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